US Pat. No. 9,264,934

METHOD AND APPARATUS FOR CONTROLLING THE TRANSMISSION OF STREAMING CONTENT IN A WIRELESS COMMUNICATION NETWORK

TELEFONAKTIEBOLAGET L M E...

1. A method of controlling the transmission of streaming content from a wireless communication network to a wireless device,
said method comprising:
obtaining mobility information for the wireless device;
determining from the mobility information whether or not there is an expectation that a required quality of service to the
wireless device will be violated with respect to the transmission of the streaming content; and

initiating a temporary increase in the size of a dynamically-sizable buffer at the wireless device used for buffering the
streaming content and correspondingly initiating a transmission burst of the streaming content towards the wireless device,
when there is the expectation that the required quality of service to the wireless device will be violated.

US Pat. No. 9,288,766

METHOD AND ARRANGEMENT FOR UPLINK POWER CONTROL

TELEFONAKTIEBOLAGET L M E...

1. A method for performing uplink power control in a radio communication system, the method comprising:
receiving, at a user equipment (UE) a transmit power control (TPC) command;
if the UE does not have an uplink transmission scheduled on any of a Physical Uplink Shared Channel (PUSCH) and Physical Uplink
Control Channel (PUCCH) for a subframe associated with said TPC command, accumulating, by the UE, said TPC command with previously
received TPC commands based, at least in part, on whether the UE has reached a maximum transmit power, which is based on a
0 dB value for Maximum Power Reduction, MPR, Additional Maximum Power Reduction, A-MPR, and Power Management Maximum Power
Reduction, P-MPR.

US Pat. No. 9,237,541

METHODS AND ARRANGEMENTS FOR ESTIMATING TIMING OFFSET DIFFERENCES IN A CELLULAR NETWORK

TELEFONAKTIEBOLAGET L M E...

1. A method in a first network node for estimating a first timing offset difference between a first timing offset of a first
base station and a second timing offset of a second base station, wherein the first network node, first base station, and
second base station are comprised in a cellular network, and wherein the method comprises:
receiving Uplink Time Difference Of Arrival, UTDOA, measurements from a second network node, which UTDOA measurements relate
to a first UTDOA time difference between a first measured receiving time when an uplink signal from a user equipment is received
at the first base station, and a second measured receiving time when the uplink signal from the user equipment is received
at the second base station;

receiving Observed Time Difference Of Arrival, OTDOA measurements from a third network node, which OTDOA measurements relate
to a first measured OTDOA time difference between a third receiving time when a downlink signal from the first base station
is received at the user equipment and a fourth receiving time when a downlink signal from the second base station is received
at the user equipment; and

estimating a first timing offset difference between a first timing offset of the first base station and a second timing offset
of the second base station, based on the first UTDOA time difference and the first measured OTDOA time difference.

US Pat. No. 9,332,550

CONTROLLING FAST DORMANCY

Telefonaktiebolaget L M E...

1. A method for controlling transitions between operational states for a user equipment, UE, in a radio access network, the
operational states comprising a first state and a second state, the method comprising:
determining, by a node, a threshold time value wherein the determination of the threshold time value comprises:
obtaining a first resource consumption value representing resource consumption in the radio access network for residing in
the first state,

obtaining a second resource consumption value representing resource consumption in the radio access network for switching
from the first state to the second state and residing in the second state, and

calculating the threshold time value that is indicative of when the first resource consumption value is equal to the second
resource consumption value;

transmitting, by the node, the threshold time value to the UE; and
using, by the UE, the determined threshold time value for deciding whether or not to request switching from the first state
to the second state.

US Pat. No. 9,270,333

ADJUSTED TRANSMISSION IN XDSL

Telefonaktiebolaget L M E...

1. A method, in a transmitting node connected to a respective first end of a first digital subscriber line and a second digital
subscriber line, a second end of the first digital subscriber line being connected to a first receiving node, the method comprising:
transmitting a first signal (A1) on the first digital subscriber line;

transmitting a second signal (A2) on the second digital subscriber line, the second signal being related to the first signal;

adjusting the transmitting of the second signal on the second digital subscriber line such that a contribution from the second
signal interferes constructively with a signal (A1?) at the second end of the first digital subscriber line, where the signal A1? represents the first signal A1 having propagated through the first digital subscriber line.

US Pat. No. 9,124,458

METHOD AND APPARATUS FOR DETECTING A PLURALITY OF SYMBOL BLOCKS

TELEFONAKTIEBOLAGET L M E...

1. A demodulator configured to detect a plurality of symbol blocks in a received signal, each symbol block of the plurality
of symbol blocks comprising a combination of two or more symbols, comprising:
one or more assisting detectors, at least one of which is configured to detect two or more individual symbols in a symbol
block to identify a reduced set of candidate symbol values for each symbol, or to jointly detect each of two or more distinct
groups of symbols in a symbol block to identify a reduced set of candidate symbol combinations for each group, to thereby
collectively identify from a defined set of candidate symbol combinations, for at least one symbol block in the plurality
of symbol blocks, a reduced set of candidate symbol combinations for the at least one symbol block;

a final assisting detector configured to jointly detect each of one or more distinct groups of symbols in the at least one
symbol block to identify a reduced set of candidate symbol combinations for each group, to thereby determine from the reduced
set of candidate symbol combinations identified for the at least one symbol block a final reduced set of candidate symbol
combinations, wherein the one or more assisting detectors and the final assisting detector are configured to perform two or
more stages of detection assistance in succession, and to detect a progressively larger number of symbols in the at least
one symbol block across those two or more stages of detection assistance; and

a detector configured to detect the plurality of symbol blocks by processing the received signal in a joint detection process
that limits candidate combinations of symbols considered for the at least one symbol block to the final reduced set of candidate
symbol combinations determined by the final assisting detector for the at least one symbol block.

US Pat. No. 9,426,827

SYMBOL FFT RACH PROCESSING METHODS AND DEVICES

Telefonaktiebolaget L M E...

1. A method for extracting a random access channel (RACH) preamble from a signal received in a base station from a user device,
in a radio communication system, the method comprising:
obtaining an FFT of each of selected time portions of the signal;
transforming and assembling selected RACH frequency bands from the FFTs into a stored time sequence that compensates for time
gaps between selected time portions and a RACH frequency offset;

selecting time samples corresponding to the RACH preamble from the stored time sequence; and
performing a Fast Fourier Transform (FFT) on the selected time samples for use in identifying and synchronizing the user device
with the base station.

US Pat. No. 9,408,115

BASE STATION CONTROLLER SELECTION FOR A ROAMING RADIO BASE STATION AND METHOD OF OPERATING THE SAME

Telefonaktiebolaget L M E...

1. A master monitor/control (M/C) unit for selecting a base station controller (BSC) to serve a mobile radio base station
(RBS), said mobile RBS movable within and among a plurality of geographic regions served by a corresponding plurality of BSCs,
comprising:
a processor; and
memory including computer program code, said memory and said computer program code configured to, with said processor, cause
said master M/C unit to perform at least the following:

monitor and assess a performance parameter of a communications link between said mobile RBS and a serving BSC;
monitor and assess a performance parameter of alternative communications links between said mobile RBS and a plurality of
other BSCs;

determine if said performance parameter of an alternative communications link between said mobile RBS and one of said plurality
of other BSCs is better than said performance parameter of said communications link between said mobile RBS and said serving
BSC;

select said one of said plurality of other BSCs as an alternative BSC if said performance parameter of said alternative communications
link with said mobile RBS is better than said performance parameter of said communications link between said mobile RBS and
said serving BSC; and

provide a new configuration for said mobile RBS and said alternative BSC to enable said alternative communications link therebetween.

US Pat. No. 9,232,529

NODE AND METHOD FOR TRANSMISSION MODE SWITCHING FOR DOWNLINK TRANSMISSION IN DOWNLINK CHANNEL

Telefonaktiebolaget L M E...

1. A node for transmission mode switching for downlink transmission in a downlink channel, comprising:
a configuring unit that configures an initial transmission mode for the downlink transmission as a default transmission mode;
a deriving unit that derives channel quality metric (CQM) of the downlink channel;
a first determining unit that determines a first predefined threshold on the basis of link level simulation of a first transmission
mode and a second transmission mode; and

a first switching unit that switches the transmission mode from the initial transmission mode to the first transmission mode
or the second transmission mode on the basis of the CQM and the first predefined threshold.

US Pat. No. 9,426,814

RADIO BASE STATION AND A METHOD THEREIN FOR SCHEDULING RADIO RESOURCES BASED ON A PATH LOSS FRACTION

Telefonaktiebolaget L M E...

1. A method in a serving radio base station for scheduling a radio resource to a user equipment, the method comprising:
estimating a first channel quality of a channel used by the user equipment;
determining a pathloss between the user equipment and the serving radio base station and determining a corresponding gain
based on said determined pathloss;

obtaining a gain of the user equipment towards each of a number of neighboring radio base stations;
determining a fraction of the determined pathloss between the user equipment and the serving radio base station to be compensated
for, based on the determined gain of the user equipment towards the serving radio base station and the obtained gains;

determining a second channel quality of the channel based on the estimated first channel quality, the determined fraction
and the determined pathloss to be compensated for; and

scheduling a radio resource for the user equipment based on the determined second channel quality;wherein said determining a fraction of the determined pathloss between the first user equipment and the serving radio base
station, comprises determining said fraction according to:
where Gi,s is said gain between said user equipment of interest i and said serving base station s; Ms is a number of user equipments in the serving cell served by the serving base station; Gi,j is said gain between the user equipment of interest i and the radio base stations j, including the serving base station s;
N is the number of cells; and F is a preset fairness factor.

US Pat. No. 9,413,572

METHOD OF CONVERTING AN OPTICAL COMMUNICATIONS SIGNAL AND AN OPTICAL RECEIVER

TELEFONAKTIEBOLAGET L M E...

6. An optical receiver comprising:
an input operative to receive an optical communications signal having a differentially encoded multilevel modulation format
having a plurality of constellation points; and

an optical circuit operative to receive a consecutive pair of symbol signals of said optical communications signal, the pair
of symbol signals being arranged to differentially encode a plurality of communications traffic bits, and the optical circuit
being operative to generate a plurality of optical binary signals in dependence on the symbol signals, each optical binary
signal having a respective binary signal level, wherein the optical binary signals form optical versions of the encoded communications
traffic bits, wherein the optical circuit comprises:

an optical splitter operative to receive each symbol signal and to power split each symbol signal into a first part, a second
part and a third part;

a first optical path operative to transmit the first part to form an unmodified symbol signal, Si;

a second optical path operative to apply a time delay to the second part, the time delay being the symbol time of the optical
communications signal, to form a delayed symbol signal, Si-1, and the second optical path operative to power split the delayed symbol signal into a first part and a second part;

a third optical path operative to apply a ?/2 phase shift to the third part to form a phase rotated symbol signal, Si?/2;

a first signal combiner operative to receive the unmodified symbol signal and a first part of the delayed symbol signal, and
operative to form the signal combinations Si+Si-1 and Si?Si-1;

a second signal combiner operative to receive the second part of the delayed symbol signal and the phase rotated symbol signal,
and operative to form the signal combinations Si?/2+Si-1, and Si?/2?Si-1; and

an optical binary signal generation apparatus comprising a number of generation stages, where the number of constellation
points is 22n, each generation stage being operative to generate two said optical binary signals in dependence on said signal combinations.

US Pat. No. 9,402,200

FLOW BASED PACKET MANIPULATION CONGESTION CONTROL

Telefonaktiebolaget L M E...

1. A method in a first network node of a communication network, for marking of Protocol Data Units, PDUs on a first protocol
layer, the method comprising:
receiving PDUs of two or more flows on a second protocol layer;
encapsulating the PDUs of the second protocol layer to form PDUs of the first protocol layer;
extracting information about said two or more flows and storing said information being extracted;
marking PDUs on the first protocol layer, where said first protocol layer PDUs being marked correspond to second protocol
layer PDUs that are appropriate for manipulation and that are from at least one of said two or more flows of second protocol
layer PDUs, based on said stored information; and

sending PDUs on the first protocol layer that is a lower protocol layer than said second protocol layer.

US Pat. No. 9,210,678

METHODS, APPARATUSES, AND COMPUTER PROGRAM PRODUCTS FOR GENERATING FRACTIONAL GUARD PERIODS

Telefonaktiebolaget L M E...

1. A method of transmitting N output symbols in a subframe consisting of a first slot and a second slot, each said slot having
N/2 equal length sub-slots, such that each said sub-slot has a sub-slot length that is equal to the sub-slot length of each other
said sub-slot, wherein N is greater than four, the method comprising:
generating, by a user equipment (UE), said N output symbols, said N output symbols comprising: i) a first output symbol having
a first symbol length, ii) a second output symbol having a second symbol length that is greater than the first symbol length,
iii) a third output symbol having symbol length equal to the second symbol length, and iv) a fourth output symbol having symbol
length equal to the second symbol length; and

during each sub-slot of the subframe, transmitting, by the UE, one and only one of said N output symbols, wherein the first
output symbol is transmitted in one of said sub-slots with a guard period having a guard period length, wherein a sum of the
first symbol length and the guard period length is equal to the second symbol length and less than or equal to the sub-slot
length.

US Pat. No. 9,287,971

PON SUPERVISION USING OTDR MEASUREMENTS

TELEFONAKTIEBOLAGET L M E...

13. The method according to claim 12, wherein a subsequent splitter stage of said multi-stage splitter, after said first splitter stage, outputs said amplitude
modulated signal to said dedicated group of ONTs with regards to the pre-selected wavelength of said received amplitude modulated
signal.

US Pat. No. 9,100,135

METHOD AND DEVICE FOR PACKET NETWORK SYNCHRONIZATION

Telefonaktiebolaget L M E...

1. A method for synchronizing a clock of a client in a packet based communication network with respect to a reference time
provided by a timeserver, the method comprising:
receiving packets from the timeserver at the client, each packet containing at least one timestamp indicating a sending time
of the packet,

determining an arrival time for each packet;
determining a delay between the timestamp and the arrival time for each packet;
calculating a first delay variation for a first plurality of the delays;
defining a first observation frame associated with the first plurality of the delays, wherein a size of the first observation
frame depends on the first delay variation and wherein the first observation frame comprises a second plurality of delays
associated with the first plurality of the delays;

determining a representative delay based on the second plurality of delays, by determining a minimum or mean delay from among
the second plurality of delays;

calculate a further delay variation for a third plurality of the delays;
define a further observation frame associated with the third plurality of delays, wherein a size of the further observation
frame depends on the further delay variation and wherein the further observation frame comprises a fourth plurality of delays
associated with the third plurality of the delays;

determine a further representative delay based on the fourth plurality of delays, by determining a minimum or mean delay from
among the fourth plurality of delays;

calculating a relation between the clock of the client and the reference time based on the representative delay and also based
on the further representative delay, wherein the relation comprises a frequency drift and/or time offset between the clock
of the client and the reference time, and wherein calculating the relation comprises calculating the relation from a time
difference line fitted to the representative delays; and

synchronizing the clock of the client based on the calculated relation.

US Pat. No. 9,497,786

METHOD AND APPARATUS FOR ESTABLISHING AND USING PDN CONNECTIONS

Telefonaktiebolaget L M E...

1. A method of establishing and/or using a plurality of packet data network connections between a user equipment and a 3GPP
core network via a gateway node in a non-3GPP access network, the method comprising:
using a different device identifier for at least each packet data network connection of the plurality of packet data network
connections that are concurrently associated with the same IP address to distinguish between the packet data network connections
of the plurality of concurrent packet data network connections or to allow such a distinction to be made,

wherein the IP address associated with the packet data network connection is the IP address assigned to the user equipment,
wherein one or more of the different device identifiers used to distinguish between the packet data network connections comprises
a Media Access Control address device identifier associated with the user equipment.

US Pat. No. 9,281,785

LOW-NOISE AMPLIFIER, RECEIVER, METHOD AND COMPUTER PROGRAM

Telefonaktiebolaget L M E...

1. A differential cross-coupled common-source or common-emitter low-noise amplifier having capacitive degeneration, wherein
the low-noise amplifier comprises:
a first capacitive cross coupling from gate or base of a first input transistor to source or emitter of a second input transistor,
and a second capacitive cross coupling from gate or base of the second input transistor to source or emitter of the first
input transistor; and

a differential capacitive degeneration circuit operatively connected between source or emitter of the first input transistor
and source or emitter of the second input transistor,

wherein properties of the capacitive cross couplings and the capacitive degeneration circuits are essentially capacitive at
a working frequency of the amplifier.

US Pat. No. 9,295,079

METHODS AND ARRANGEMENTS FOR HANDLING UNRELIABLE SCHEDULING GRANTS IN A TELECOMMUNICATION NETWORK

TELEFONAKTIEBOLAGET L M E...

1. A method for handling unreliable scheduling grants in a serving network unit of a telecommunication network, the method
comprising steps of:
receiving, by the serving network unit, a report of an event of continuously detected received unreliable scheduling grants
during a given period of time; and,

initiating, by the serving network unit, radio resource managing procedures for a downlink to decrease downlink interference
in response to the received event report.

US Pat. No. 9,264,114

ANTENNA DEVICE FOR A RADIO BASE STATION IN A CELLULAR TELEPHONY SYSTEM

Telefonaktiebolaget L M E...

1. A method performed in an apparatus for generating one or more signals having a formed polarization, comprising:
receiving at least one data stream;
inputting each data stream into a respective polarization former;
splitting, by each polarization former, the corresponding data stream into one first separate stream and one second separate
stream;

introducing, by the at least one polarization former, a phase shift between the at least one first separate stream and the
at least one second separate stream;

transmitting the at least one first separate stream to a first output port and the at least one second separate stream to
a second output port,

wherein the first output port is configured for connection to one or more antennas only of a first polarization, and the second
output port is configured for connection to one or more antennas only of a second polarization different from the first polarization,
such that the one first separate stream and the one second separate stream are combined in air resulting in a signal having
the formed polarization as a function of the phase shift.

US Pat. No. 9,307,542

ANTENNA PORT MAPPING FOR DEMODULATION REFERENCE SIGNALS

TELEFONAKTIEBOLAGET L M E...

9. A base station comprising:
a plurality of transmit antennas;
a transmitter operatively connected to said transmit antennas, said transmitter including a transmit signal processor and
transmit controller;

said transmitter configured to:
determine a selected transmission rank from a plurality of transmission ranks for a downlink transmission to said user terminal;
determine one or more antenna ports for said downlink transmission, wherein each antenna port is defined by a group and code
pair comprising a code division multiplexing group and orthogonal cover code;

map the antenna ports to the group and code pairs such that, for each antenna port, the code division multiplexing group and
orthogonal cover code are the same for every transmission rank in said plurality of transmission ranks in which the antenna
port is used; and

transmit demodulation reference signals over said antenna ports corresponding to the selected transmission rank.

US Pat. No. 9,288,661

METHODS AND APPARATUSES FOR PERSONALIZED DEVICE USAGE

Telefonaktiebolaget L M E...

1. A method in a first primary device for enabling personalized usage of a secondary device by a first user of the first primary
device, the method comprising:
receiving triangulation information from the secondary device, the triangulation information comprising signal strength measurements
by the secondary device of signals transmitted from a set of devices associated with the first primary device and forming
a limited area of proximity to the first primary device;

determining whether the secondary device is located within said limited area based on the received triangulation information;
establishing a connection with the secondary device when determined to be located within the limited area; and
sending identity information of the first user to the secondary device as a basis for adapting functions and settings in the
secondary device to provide personalized usage of the secondary device by the first user, wherein personalized usage comprises
the secondary device being adapted for a specific user or owner in the way the device functions or operates, or both;

wherein the first primary device is identified based on a predefined list of primary devices configured in the secondary device,
before establishing connection with the secondary device.

US Pat. No. 9,294,999

TECHNIQUE FOR MAINTAINING A RADIO TIME BASE

Telefonaktiebolaget L M E...

1. A method of maintaining a radio time base used to schedule communication in a radio network, the method comprising:
determining a course of a frequency relation between a reference oscillator and a clock, wherein the course of the frequency
relation is represented by a sequence of the frequency relation for a plurality of points in time prior to a period of reduced
power, and wherein determining the course of the frequency relation includes estimating the frequency relation for each of
the plurality of points in time of the sequence;

determining whether the course of the frequency relation determined so far is insufficient;
switching off the reference oscillator during the period of reduced power, wherein the period of reduced power is postponed
for further determination as a result of a determination that the course of the frequency relation determined so far is insufficient;

predicting, based on a result of the first determination and for a given time in or after the period of reduced power, the
frequency relation between the reference oscillator and the clock;

restoring, based on a result of the prediction, the radio time base in or after the period of reduced power; and
communicating in the radio network at a time determined by the restored radio time base.

US Pat. No. 9,295,070

QUALITY OF SERVICE LEVEL ADAPTATION FOR VISUAL SERVICES IN MOBILE COMMUNICATION NETWORKS

Telefonaktiebolaget L M E...

1. A method for improving quality of experience (QoE) for a visual service associated to a mobile user equipment (UE) in a
communications network, the communications network comprising a mobile network, the method comprising:
receiving at a service node within the mobile network a message indicative of a request of the UE associated to the visual
service, wherein the request comprises data indicative of an image associated to an item captured by a camera associated to
the UE;

obtaining the network address of the UE;
initiating an adaptation of a quality of service (QoS) level for a treatment of data traffic associated with the visual service
between the UE and the mobile network in response to the obtained network address, wherein the adaptation of QoS level comprises
establishing a dedicated bearer for the visual service, wherein, prior to initiating the adaptation of the QoS level, the
service node communicates with a policy server to determine if initiating an adaptation of a quality of service level should
be performed towards the UE, wherein the policy server communicates with a gateway node within the mobile network responsible
for establishing the adaptation of the quality of service level towards the UE, wherein the adaptation of the QoS level comprises
upgrading a bearer level QoS of a default bearer established between the UE and the gateway node, by increasing a guaranteed
bit rate, a maximum bit rate, or an allocation and retention priority in addition to the dedicated bearer;

performing an image recognition associated to the captured item; and
in case that the image recognition is successful: i) retrieving item information from one or a plurality of data servers;
ii) generating a visual search response comprising specific information with respect to the captured item; and iii) transmitting
the visual search response to the UE through the dedicated bearer.

US Pat. No. 9,357,415

METHOD AND APPARATUS FOR MONITORING A RANDOM ACCESS CHANNEL

Telefonaktiebolaget L M E...

1. A method in a user equipment of reporting information for observing performance of random access in a cellular radio system,
the method comprising:
storing data needed to compute measurements that are to be reported and that are associated with a most recent random access
procedure performed by the user equipment;

computing said measurements;
generating a measurement report for said measurements to include an indication of whether a contention has occurred during
said most recent random access procedure;

receiving a direct request from a radio base station for said measurement report responsive to said most recent random access
procedure being successful; and

transmitting the measurement report responsive to said request.

US Pat. No. 9,295,062

METHOD AND ARRANGEMENT FOR POWER ALLOCATION IN COMMUNICATION SYSTEMS

Telefonaktiebolaget L M E...

1. A method of enabling power allocation for a plurality of data streams in a user equipment node in a communication system,
said user equipment node exchanging said plurality of data streams with a radio base station node in said communication system,
wherein said radio base station node and said user equipment node share a common power allocation scheme known to both said
user equipment node and said radio base station node, the method comprising:
receiving, by an input/output unit of said user equipment node, a cell specific reference signal for each of said plurality
of data streams;

determining, by a rank, precoding matrix indication (PMI), and channel quality indicator (CQI) provider of said user equipment
node, a rank, said rank comprising a subset of said plurality of data streams, a PMI for said rank, and a CQI for each of
said plurality of data streams based on the received cell specific reference signal for each of said plurality of data streams;

reporting, by a transceiver of said user equipment node, said determined rank, PMI and CQI for each of said plurality of data
streams to said radio base station node, to enable allocation of power to said plurality of data streams;

after reporting said determined rank, PMI and CQI for each of said plurality of data streams to said radio base station node,
determining, by a throughput optimizer of said user equipment node, an optimal rank and a PMI for said optimal rank, and a
CQI for each of said plurality of data streams based on said common power allocation scheme known to both said user equipment
node and said radio base station node, to increase a throughput for said plurality of data streams; and

reporting, by said transceiver of said user equipment node, said optimal rank and PMI determined based on said common power
allocation scheme to said radio base station node together with the corresponding CQI prior to said common power allocation
scheme.

US Pat. No. 9,276,808

PEER, APPLICATION AND METHOD FOR DETECTING FAULTY PEER IN PEER-TO-PEER NETWORK

TELEFONAKTIEBOLAGET L M E...

1. A process for determining a faulty peer in a structured Peer-to-Peer, P2P, overlay network, the overlay network including,
besides the faulty peer, a plurality of peers, the process comprising:
determining that a message sent from a given peer to a target peer which is different from the given peer, along a first path
including first peers did not reach the target peer;

determining an intermediate peer among the first peers, between the given peer and the target peer along the first path, at
which the message last arrived;

sending the message from the given peer to the target peer on a second path including second peers, wherein the second peers
on the second path are different from the first peers on the first path;

determining that the message arrived at the target peer along the second path to confirm that the faulty peer is located between
the target peer and the intermediate peer;

in response to determining that the message arrived at the target peer along the second path, adjusting a node identifier
(nodeID) of the target peer or the intermediate peer to obtain a new target peer or a new intermediate peer of an updated
first path; and

sending the message via the updated first path and the second path to the new target peer or via the new intermediate peer
until the faulty peer is detected.

US Pat. No. 9,288,783

METHODS AND APPARATUSES FOR REDUCTION OF INTERFERENCE DURING POSITIONING MEASUREMENTS

Telefonaktiebolaget L M E...

1. A method in a user equipment, for performing positioning measurements using a signal received from an interfering cell,
the method comprising:
measuring positioning information using a first occasion of a positioning reference signal (PRS) received from a cell;
attempting to measure a second occasion of the PRS;
detecting an absence of the second occasion of the PRS, the absence of the second occasion of the PRS indicative of a reduction
in transmission activity from the cell; and

in response to detecting the absence of the PRS, measuring positioning information using a cell-specific reference signal
(CRS) before a next occasion of the PRS.

US Pat. No. 9,155,051

DYNAMIC CONGESTION CONTROL FOR POWER-BLOCKING SECTORS IN A RADIO TELECOMMUNICATION NETWORK

Telefonaktiebolaget L M E...

1. A method of controlling congestion in a sector of a cellular telecommunication network having a plurality of radio links
between a radio base station and User Equipments (UEs) operating in the sector, the method comprising the steps of:
detecting by a congestion controller, that congestion exists in the sector when a current level of downlink transmit power
being utilized in the sector exceeds a threshold level; and

in response to detecting the congestion, reducing by the congestion controller, a downlink (DL) target Block Error Rate (BLER)
Quality for a first subset of the radio links, wherein the congestion controller reduces the DL target BLER Quality for the
first subset of the radio links for a first reduction time period;

wherein reducing the DL target BLER Quality reduces the downlink transmit power of the first subset of the plurality of radio
links;

determining by the congestion controller, whether congestion still exists in the sector when the first reduction time period
expires; and

upon determining that congestion still exists in the sector, reducing by the congestion controller, a DL target BLER Quality
for a second subset of the radio links for a second reduction time period;

wherein reducing the DL target BLER Quality for the second subset reduces the downlink transmit power of the second subset
of the plurality of radio links.

US Pat. No. 9,118,585

RESIZING EXISTING TRAFFIC FLOW IN OPTICAL TRANSPORT NETWORK

Telefonaktiebolaget L M E...

1. A method of operating an optical transport network, the method comprising:
sending a traffic flow along a route through nodes of the optical transport network from a source node to a destination node
over one or more optical links, the traffic flow comprising data grouped into a number of G.709 Flexible Optical Data Unit
(ODUflex) frames, each ODUflex frame having an ODUflex overhead, at least one of the nodes having switches arranged to route
the ODUflex frames, a number of the ODUflex frames being encapsulated by optical transport frames, each having a frame overhead
associated with the optical link carrying the traffic flow; and

changing a rate of the traffic flow by:
at the source node, changing the ODUflex frame overhead to indicate a resize of the ODUflex frames to one of the switches
along the route,

changing at the source node the frame overhead to indicate a change in rate of an optical signal carrying the traffic flow
to one of the nodes along the route which terminate an optical link, the change in rate corresponding to the resize of the
ODUflex frame,

at the source node, grouping the data of the traffic flow into the resized ODUflex frames, encapsulating the resized ODUflex
frames directly with optical transport frames, without encapsulating the resized ODUflex frame with any intermediate frame,
and tuning an optical transmission part to transmit the optical transport frames in an optical signal at a new rate corresponding
to the change in rate, wherein the new rate comprises a new number of trib slots (TSNUM),

detecting at one of intermediate nodes along the route which terminate the optical signal, the indication of the change in
rate in the frame overhead of the traffic flow from the source node,

in response to the detection of the indication of the change in rate in the frame overhead of the traffic flow from the source
node, sending, by the one of the intermediate nodes, a response to the source node, the response causing the source node to
perform the change in rate corresponding to the resize of the ODUflex frames, and

tuning an optical transmission part of that intermediate node to transmit the traffic flow on a next optical link along the
route at the new rate according to the indication of the change in rate.

US Pat. No. 9,295,017

METHODS AND ARRANGEMENT FOR SUPPORTING BASE STATION SYNCHRONIZATION BY USE OF LONG WAVE SIGNALING

Telefonaktiebolaget L M E...

1. A method in a support module for supporting synchronization of a base station in a cellular communication network, the
method comprising:
obtaining high-accuracy time information from a reference source, wherein the reference source is a satellite based positioning
system; and

providing said time information to the base station by use of long wave signaling, thus enabling the base station to synchronize.

US Pat. No. 9,277,029

METHOD AND APPARATUS FOR PROVIDING RELEVANT SERVICE LEVELS

Telefonaktiebolaget L M E...

1. A method in a router of an IP network for providing a relevant service level for a first subscriber in a peer-to-peer session
with a second subscriber, comprising:
receiving a session setup message sent from the first subscriber for setting up the peer-to-peer session between the first
subscriber and the second subscriber,

detecting, from a service level indicator included in the session setup message, a service level with which the first subscriber's
subscription with the first subscriber's operator entitles the first subscriber to set up the peer-to-peer session,

obtaining a service level definition of the operator of the first subscriber,
interpreting the detected service level of the first subscriber via said service level definition,
determining communication resources required in the router for data transmission from the second subscriber to the first subscriber
via the peer-to-peer session based on said interpreting,

booking said communication resources in the router, and
forwarding the session setup message to a next hop node.

US Pat. No. 9,408,222

METHOD AND ARRANGEMENT FOR INTERFERENCE MITIGATION

Telefonaktiebolaget L M E...

1. A method of interference mitigation in a multi user detection capable radio base station in a communication system, said
radio base station being modularly arranged and comprising a set of confined detection modules, at least one of which is capable
of handling multiple user connections, comprising:
allocating user connections to the set of detection modules based on service;
forming a first subset of detection modules within said radio base station from said set;
forming at least a second subset of detection modules within said radio base station from said set, said second set comprising
at least one interference mitigation capable detection module;

wherein each of the confined detection modules has one or more distinct user connections assigned to it;
communicating interference information concerning the respective user connections of said first subset from said first subset
to said second subset;

mitigating interference originating in said user connections of said first subset from the user connections of said second
subset; and

mutually mitigating interference between the connections or a subset of connections within said at least one interference
cancellation capable detection module.

US Pat. No. 9,294,548

MOBILITY HANDLING IN A COMMUNICATION NETWORK

Telefonaktiebolaget L M E...

1. A method of handling mobility for a first host with a Multipath Transmission Control Protocol connection to a second host,
the method comprising:
resolving, at the first host, a main address of the second host,
determining that the first host has moved, the first host being identified by a main address of the first host that does not
change for the duration of the connection, and a plurality of locators, each of the locators associated with a path used in
the Multipath Transmission Control Protocol connection,

at a path manager function at the first host, intercepting a synchronisation packet, the synchronisation packet destined for
the second host and including a token identifying the Multipath Transmission Control Protocol connection and a source address
and a destination address;

at the path manager function, resolving locators associated with the second host for use in the Multipath Transmission Control
Protocol connection;

at the path manager function, negotiating paths to use during the Multipath Transmission Control Protocol connection, and
associating, for each path, a locator belonging to the first host with a locator belonging to the second host;

at the path manager function, replacing the source address in the synchronisation packet with locators belonging to the first
host and the destination address in the synchronisation packet with the locators belonging to the second host;

sending the synchronization packet to the second host;
at the first host, obtaining new locators;
sending, by the first host, a first message to a Location Server, the Location Server maintaining an association between the
main address of the first host and the locators, the first message including the new locators;

sending, by the first host, a second message to the second host, the second message including the new locators; and
receiving, by the first host, from the second host packets sent using the Multipath Transmission Control Protocol connection
using the new locators.

US Pat. No. 9,281,851

POWER AMPLIFIER PRE-DISTORTION SIGNAL GENERATOR USING AN ANALOG BASEBAND ENVELOPE FEEDBACK LOOP

TELEFONAKTIEBOLAGET L M E...

1. A system comprising:
a baseband signal generator configured to generate a baseband signal;
a mixer for upconverting the baseband signal to a radio signal;
a power amplifier configured to amplify the radio signal; and
a pre-distortion circuit configured to bias the power amplifier and including:
an envelope extractor for extracting an envelope of the baseband signal;
a first attenuator coupled to an output of the envelope extractor;
a first power amplifier unit cell coupled to an output of the first attenuator;
a second power amplifier unit cell coupled to an output of the envelope extractor;
a second attenuator coupled to an output of the second power amplifier unit cell;
a comparator block coupled to the first power amplifier unit cell and to the second attenuator for generating an error signal
associated with a difference between an output of the first power amplifier unit cell and an output of the second attenuator;

and a biasing element coupled to an output of the comparator block which biases the power amplifier using the error signal.

US Pat. No. 9,282,084

METHOD AND APPARATUS FOR PROVISIONING A TEMPORARY IDENTITY MODULE USING A KEY-SHARING SCHEME

Telefonaktiebolaget L M E...

1. A device for use in a communication network, the device comprising:
transmitter circuitry;
receiver circuitry; and
processor circuitry, operatively connected to the transmitter circuitry and receiver circuit and configured to:
send to a server, using the transmitter circuitry, a request for an identity module for use in registering with the communication
network;

receive from the server, using the receiver circuitry and in response to the request, an encrypted identity module and a location
key, the location key comprising the location of encryption key slices stored at further devices;

send a request for an encryption key slice to each further device identified by the location key, using the receiver circuitry
and in response to receiving the encrypted identity module and the location key;

receive from each further device, using the receiver circuitry and in response to the request for an encryption key slice,
an encryption key slice;

reconstruct the received encryption key slices to form an encryption key; and
use the encryption key to decrypt the received encrypted identity module.

US Pat. No. 9,276,964

METHOD AND USER TERMINAL FOR SUPPORTING PROVISION OF CAPABILITIES

Telefonaktiebolaget L M E...

1. A method in a first user terminal for supporting provision of capabilities of the first user terminal to a second user
terminal, the method comprising:
receiving a capability request from the second user terminal requesting capabilities that are supported by the first user
terminal for communicating with the second user terminal,

checking if a capability privacy parameter is set, the capability privacy parameter indicating that filtering rules shall
be used on the capabilities of the first user terminal,

using the filtering rules on the capabilities supported by the first user terminal to determine which capabilities to provide
to the second user terminal, wherein the filtering rules have been pre-configured for the first user terminal to control exposure
of said capabilities, and

transmitting a capability message to the second user terminal, wherein at least one of the capabilities supported by the first
user terminal has been omitted based on the filtering rules, despite the first user terminal actually supporting said at least
one of the capabilities.

US Pat. No. 9,269,364

AUDIO ENCODING/DECODING BASED ON AN EFFICIENT REPRESENTATION OF AUTO-REGRESSIVE COEFFICIENTS

Telefonaktiebolaget L M E...

1. A method of encoding a parametric spectral representation (f) of auto-regressive coefficients (a) that partially represent
an audio signal, said method comprising:
encoding a low-frequency part (fL) of the parametric spectral representation (f) by quantizing elements of the parametric spectral representation that correspond
to a low-frequency part of the audio signal;

encoding a high-frequency part (fH) of the parametric spectral representation (f) by weighted averaging based on the quantized elements (fL) flipped around a quantized mirroring frequency (fm), which separates the low-frequency part from the high-frequency part, and a frequency grid (gopt) determined from a frequency grid codebook in a closed-loop search procedure.

US Pat. No. 9,270,404

DYNAMIC SCHEDULING USING PON BANDWIDTH ALLOCATION ON LOWER AGGREGATION LEVELS

Telefonaktiebolaget L M E...

1. An Optical Network Unit (ONU), for terminating a passive optical network (PON) operating according to a PON transmission
technology, said ONU comprising:
a memory storing program instructions; and
a processor coupled to the memory and configured to execute the program instructions, whereby the ONU is operative to:
receive, via a Downlink interface, upstream data packet communication from at least one downstream-positioned network operating
according to a different, second transmission technology;

transmit, via an Uplink interface, upstream data packet communication to at least one upstream-positioned PON network node
via an optical uplink;

convert data packet communication in a downstream direction from the PON transmission technology to the second transmission
technology;

convert data packet communication in an upstream direction from the second transmission technology to the PON technology;
determine a momentary parameter value of at least one scheduling control parameter of a set of different scheduling control
parameters of the optical uplink;

transmit each determined scheduling control parameter momentary value to at least the closest node in the downstream-positioned
network operating according to the second transmission technology, wherein the node comprises a scheduler, and wherein each
of said scheduling control parameter values is used by the node to adapt the scheduler operation to the latest determined
parameter values of the scheduling control parameter received from the ONU; and

schedule the data packets upstream to the PON in the same order as they were scheduled by said downstream-positioned scheduler
and received by the Downstream interface.

US Pat. No. 9,178,696

KEY MANAGEMENT FOR SECURE COMMUNICATION

Telefonaktiebolaget L M E...

1. A method for establishing secure communication between communication devices in a communications network, the method comprising:
transmitting, by a first communication device, a request to a first key management server (KMS) apparatus, wherein the first
KMS apparatus is configured such that, in response to the request, the first KMS apparatus transmits keying information and
a voucher comprising information for retrieving the keying information from the first KMS apparatus;

receiving, at the first communication device, the keying information and voucher transmitted by the first KMS apparatus; and
after receiving the transmitted keying information and voucher, transmitting, by the first communication device, a session
invitation message for creating a session with a second communication device,

the session invitation message comprises the voucher, and
the second communication device is separate and distinct from the first KMS apparatus.

US Pat. No. 9,301,308

DETERMINING A CLUSTER SET OF MOBILE DEVICES

Telefonaktiebolaget L M E...

1. A method for determining a cluster set of mobile devices comprising:
identifying, by a controller node, a primary mobile device that has a scheduled transmission for the controller node at a
first time;

identifying, by the controller node, a set of eligible assistant (EA) mobile devices from a plurality of mobile devices;
directing each EA mobile device in the set to determine a corresponding mobile device-to-mobile (MD-MD) device channel indicator
that identifies a quality of a channel between the each EA mobile device and the primary mobile device;

receiving from at least one EA mobile device in the set the corresponding MD-MD channel indicator; and
determining a cluster set that includes the primary mobile device and the at least one EA mobile device.

US Pat. No. 9,295,009

TRANSCENDENTAL FUNCTION LOOK-UP TABLES FOR THERMAL NOISE POWER FLOOR ESTIMATION

Telefonaktiebolaget L M E...

1. A method in a radio base station connected to a radio network controller for performing thermal noise power floor estimation
in a radio communications network, the radio base station communicating with a plurality of mobile devices in the radio communications
network, the method comprising:
computing, by a processor of the radio base station, table entries for a table for an evaluation of a transcendental function,
which table has a range of table entries defined by a smallest table entry, a largest table entry, and a number of table entries;

estimating, by the processor of the radio base station, a thermal noise power floor by performing the evaluation of the transcendental
function in computing a product representing a cumulative probability function, which cumulative probability function is related
to the thermal noise power floor, wherein the evaluation of the transcendental function is performed by using table look ups
of the table with the computed table entries; and

dynamically re-computing, by the processor of the radio base station, the table entries for the table when a value of at least
one parameter in the transcendental function is modified.

US Pat. No. 9,049,627

HANDOVER AND NEIGHBOR MANAGEMENT FOR MOBILE RELAY NODES

Telefonaktiebolaget L M E...

1. A method for maintaining neighbor cell information at a mobile relay node in a wireless communication system, the method
comprising:
detecting the occurrence of a defined condition which characteristically indicates that movement of the mobile relay node
has rendered previously obtained neighbor cell information incomplete or invalid;

responsive to detecting the occurrence of the defined condition, generating a request for neighbor cell information, wherein
the request includes non-unique cell identifiers for one or more cells currently neighboring a mobile cell provided by the
mobile relay node, and sending the request for neighbor cell information to a donor base station in the system; and

receiving the requested neighbor cell information responsive to the request, wherein said neighbor cell information pertains
to those one or more neighboring cells and maps those non-unique cell identifiers to corresponding unique cell identifiers.

US Pat. No. 9,398,470

METHOD AND APPARATUS FOR GATEWAY SESSION ESTABLISHMENT

Telefonaktiebolaget L M E...

1. A method of deploying a policy from a 3GPP core network to a non-3GPP access network, the policy relating to a connection
established from a mobile terminal to the 3GPP core network via the non-3GPP access network, the method comprising, at the
3GPP core network:
(a) receiving a local IP address, the local IP address having been acquired by the mobile terminal during establishment of
the connection;

(b) initiating establishment of a policy control session from the 3GPP core network to the non-3GPP access network, using
the local IP address received in step (a) to determine or to enable determination of the non-3GPP access network used for
the connection with reference to shared IP addressing information, the shared IP addressing information setting out different
respective ranges of local IP addresses assigned to a plurality of such non-3GPP access networks; and

(c) providing the policy to the non-3GPP access network using the policy control session established as a result of step (b),
the policy being for deployment in the non-3GPP access network in relation to the established connection.

US Pat. No. 9,320,053

ADAPTIVE LOAD PREDICTION FOR INTERFERENCE SUPPRESSION RECEIVERS

TELEFONAKTIEBOLAGET L M E...

1. A method of scheduling uplink transmissions from a plurality of users to a base station in a wireless communication network,
the method comprising:
estimating interference suppression gains in received signals for two or more candidate user constellations defined by number
of users and corresponding data rates;

computing predicted loads for a scheduling interval for each of the two or more candidate user constellations as a function
of the estimated interference suppression gains for the candidate user constellations;

selecting one of the candidate user constellations for the scheduling interval based on the predicted loads
scheduling uplink transmissions from a set of users according to the selected user constellation.

US Pat. No. 9,295,038

CONTROL CHANNEL CONFIGURATION IN A WIRELESS COMMUNICATIONS SYSTEM

Telefonaktiebolaget L M E...

1. A method in a control node of a wireless communication network for allocating resource elements of a transmission resource
to a control channel, wherein the transmission resource comprises a first number of resource blocks, each resource block comprising
one or a plurality of subsets of resource elements, the method comprising:
obtaining a bitmap for configuration of the transmission resource, wherein the bitmap is configured to identify at least one
subset of resource elements within the transmission resource;

allocating the at least one identified subset of resource elements to the control channel;
transmitting the bitmap to a receiving node; and
transmitting control data on the at least one subset of resource elements allocated to the control channel to the receiving
node;
wherein obtaining the bitmap for configuration of the transmission resource comprises:
obtaining separate bitmaps for configuration of the transmission resource for multiple aggregation levels; and
selecting one bitmap for configuration of the transmission resource according to a configured aggregation level.

US Pat. No. 9,270,395

METHOD FOR ROBUST PTP SYNCHRONIZATION WITH DEFAULT 1588V2 PROFILE

Telefonaktiebolaget L M E...

1. A method in a first network device for supporting Precision Time Protocol (PTP) in a network, the method comprising:
receiving, by a first PTP port associated with the first network device configured as a PTP slave port, PTP timing messages
from a second PTP port associated with a second network device configured as a PTP master port, wherein the PTP timing messages
include timing information of a PTP master clock maintained by the second network device;

maintaining a PTP master clock based on the timing information included in the PTP timing messages received from the second
network device via the first PTP port;

receiving, by a third PTP port associated with the first network device configured as a PTP passive port, PTP timing messages
from a fourth PTP port associated with a third network device configured as a PTP master port, wherein the PTP timing messages
include timing information of a PTP master clock maintained by the third network device;

determining the third PTP port is a protective passive port based on a stepsRemoved value associated with the third network
device, wherein a stepsRemoved value indicates a number of boundary clock levels a respective network device is away from
a PTP grandmaster clock of the network; and

in response to determining the third PTP port is a protective passive port, maintaining a PTP auxiliary clock based on the
timing information included in the PTP timing messages received from the third network device via the third PTP port, wherein
in an event that the first network device fails to receive PTP timing messages from the second network device via the first
PTP port, the PTP auxiliary clock is utilized by the first network device to synchronize its PTP master clock to the PTP master
clock maintained by the third network device.

US Pat. No. 9,236,898

MULTI-BAND OBSERVATION RECEIVER

TELEFONAKTIEBOLAGET L M E...

1. An arrangement for a pre-distortion-compensated transmitter for a communication system, comprising:
an electronic processor circuit configured for converting a base-band signal to be transmitted to a spectrally shifted, pre-distorted
signal to be transmitted based on at least one compensation signal;

a power amplifier configured for generating an amplified version of the spectrally shifted, pre-distorted signal to be transmitted,
wherein the amplified version is in one frequency range of a plurality of frequency ranges used in the communication system;

a coupler configured for generating a sample signal from the amplified version; and
a transmitter observation receiver (TOR) configured for receiving the sample signal and generating at least one compensation
signal based on the sample signal,

wherein the at least one compensation signal is generated such that a signal to be transmitted that is within a bandwidth
that simultaneously encompasses multiple frequency ranges is compensated, and the electronic processor circuit converts the
base-band signal to be transmitted such that a relationship between the base-band signal to be transmitted and the sample
signal is substantially linear with constant phase,

wherein the TOR includes
a common wideband analog-to-digital converter (ADC) configured for converting the sample signal into a digital sample signal,
and

a plurality of digital down-converters configured for generating the at least one compensation signal, wherein each of the
plurality of digital down-converters is

coupled to the common wideband ADC, and
optimized for a respective frequency range in the plurality of frequency ranges.

US Pat. No. 9,301,291

METHODS OF PROCESSING ENHANCED PHYSICAL DOWNLINK CONTROL CHANNEL INFORMATION INCLUDING DIFFERENTIATING BETWEEN SETS OF PHYSICAL RESOURCE BLOCK PAIRS, AND RELATED NETWORK NODES AND USER EQUIPMENTS

Telefonaktiebolaget L M E...

1. A method of processing enhanced physical downlink control channel (ePDCCH) information by a network node of a radio telecommunications
system, the method comprising:
differentiating between sets of physical resource block (PRB) pairs in an ePDCCH control region when defining blind decoding
candidates; and

scheduling a resource for a user equipment in response to differentiating between the sets of PRB pairs,
wherein differentiating between the sets of PRB pairs comprises:
performing a randomization procedure that varies a starting position for a list of blind decoding candidates such that overlapping
ones of the sets of PRB pairs have different starting positions, and

wherein performing the randomization procedure comprises:
performing the randomization procedure separately within each of the sets of PRB pairs such that each of the sets of PRB pairs
is randomized differently.

US Pat. No. 9,277,219

ENCODER AND DECODER AND METHODS THEREOF FOR ENCODING/DECODING A PICTURE OF A VIDEO SEQUENCE

TELEFONAKTIEBOLAGET L M E...

1. A method, performed by a decoder, for managing reference pictures to be used for decoding an encoded representation of
a picture of a video sequence, the method comprising:
decoding a reference picture set received from an encoder, wherein the reference picture set comprises information about the
reference pictures to be kept in a decoded picture buffer;

decoding a Picture Order Count (POC) value indicated in the reference picture set;
determining if the POC value indicated in the reference picture set corresponds to a short-term reference picture or a long-term
reference picture;

if the POC value indicated in the reference picture set corresponds to a long-term reference picture:
if there is a long-term reference picture in the decoded picture buffer with a POC value corresponding to the POC value indicated
in the reference picture set, keeping the long-term reference picture in the decoded picture buffer as a long-term reference
picture;

if there is a short-term reference picture in the decoded picture buffer with a POC value corresponding to the POC value indicated
in the reference picture set and there is not a long-term reference picture in the decoded picture buffer with a POC value
corresponding to the POC value indicated in the reference picture set, marking the short-term reference picture in the decoded
picture buffer as a long-term reference picture and keeping it in the decoded picture buffer;

if the POC value indicated in the reference picture set corresponds to a short-term reference picture:
if there is a short-term reference picture in the decoded picture buffer with a POC value corresponding to the POC value indicated
in the reference picture set, keeping the short-term reference picture in the decoded picture buffer as a short-term reference
picture.

US Pat. No. 9,295,055

BASE STATION, USER EQUIPMENT AND METHODS THEREIN FOR CONTROL TIMING CONFIGURATION ASSIGNMENT IN A MULTIPLE CELL COMMUNICATIONS NETWORK

Telefonaktiebolaget L M E...

1. A method, in a base station, for configuring control timing to and from a user equipment in a multiple cell communications
network, wherein each cell of the multiple cell communications network is associated with an uplink-downlink configuration
indexed by an uplink-downlink configuration number, wherein different uplink-downlink configurations define different resources
for uplink and downlink transmission, the method comprising:
determining at least one timing configuration number for configuring the timing of control signalling across a plurality of
aggregated cells associated with the user equipment, each aggregated cell being associated with one of said uplink-downlink
configuration numbers, wherein at least two uplink-downlink configuration numbers of the plurality of aggregated cells are
not equal, and wherein each of the at least one timing configuration number is one of said uplink-downlink configuration numbers;
and

assigning the at least one timing configuration number to the user equipment;
wherein the at least one timing configuration number is indicative of:
a downlink Hybrid-Automatic Repeat Request (HARQ) control timing configuration for establishing downlink HARQ acknowledgement/negative-acknowledgement
(HARQ A/N) timings across the plurality of aggregated cells, and/or

an uplink control timing configuration number for establishing uplink scheduling grant and/or acknowledgement/negative-acknowledgement
(A/N) timings across the plurality of aggregated cells.

US Pat. No. 9,286,100

VIRTUAL MACHINE MIGRATION USING 3GPP MCIM

Telefonaktiebolaget L M E...

1. A method of migrating a virtual machine, the method comprising, at a first manager that is managing a first computing environment:
initiating migration of a virtual machine (VM) that is currently executing on a first virtual machine-to-machine equipment
(vM2ME) in the first computing environment to a second computing environment,

wherein the first vM2ME in the first computing environment is a virtualization platform comprising the VM and a first Machine
Communication Identity Module (MCIM), and

wherein the first MOM is a downloadable subscriber identity module that is configured to authenticate a subscriber that is
associated with the VM to a 3GPP network and enable communication with the 3GPP network; and

disabling execution of the first vM2ME.

US Pat. No. 9,282,565

RELAY NODE, DONOR RADIO BASE STATION AND METHODS THEREIN

Telefonaktiebolaget L M E...

1. A method in a donor radio base station for configuring information associated with radio bearers in a radio communications
network, wherein the donor radio base station controls a relay node that serves a cell and controls a number of first radio
bearers over a first radio interface between the relay node and at least one user equipment served in the cell, and the donor
radio base station further controls a number of second radio bearers over a second radio interface between the donor radio
base station and the relay node, wherein the donor radio base station and the relay node are comprised in the radio communications
network, the method comprising:
receiving characteristic information indicating a characteristic of the relay node, wherein the indicated characteristic includes
information about at least one of:

a size of the cell,
output pilot or reference symbol power,
cell range,
a type of deployment,
an intended type or amount of traffic in the cell,
whether the cell is open or closed access, and
whether the cell is used at home, in public, or at a corporate location;
configuring bearer information associated with at least one of the first radio bearers or the second radio bearers based on
the indicated characteristic in the received characteristic information, wherein the configured bearer information is utilized
in the radio communications network during operation, and the configured bearer information includes a mapping scheme based
on the indicated characteristic, the mapping scheme indicating at least one of:

a mapping of packets over the first radio bearers to the second radio bearers,
a number of second radio bearers (R2) used, and

a set Quality of Service value of the second radio bearers; and
transmitting the configured bearer information to the relay node, an operation and maintenance node, or a controlling node
controlling the relay node.

US Pat. No. 9,271,166

MULTI-STANDARD RADIO NETWORK NODE CONFIGURATION DATA HANDLING FOR NETWORK OPERATION

Telefonaktiebolaget L M E...

1. A method in a Multi-Standard Radio (MSR) terminal, wherein the MSR terminal is configured to communicate with other network
nodes over a radio interface using multiple Radio Access Technologies (RATs) via common radio frequency communication components
included in the MSR terminal, the common radio frequency communication components comprising a power amplifier and/or a radio
frequency (RF) filter, the method comprising:
generating, by the MSR terminal, a message comprising an MSR terminal identifier identifying the MSR terminal, MSR terminal
configuration data including RAT capability information relating to the multiple RATs supported by the MSR terminal, and information
about configured sub-blocks of frequency or spectrum in a non-contiguous MSR network node, wherein the MSR terminal configuration
data indicates that the MSR terminal supports non-contiguous multi-carrier operation and the information about the configured
sub-blocks of frequency or spectrum comprises at least one of: a location of each sub-block of frequency in frequency domain,
a size of each sub-block, number of carriers in each sub-block, and types of RATs for each carrier in each sub-block;

sending, by the MSR terminal, the generated message to at least another network node for use in network operation; and
using, by the MSR terminal, the common radio frequency communication components to transmit and/or receive over the radio
interface using multiple RATs.

US Pat. No. 9,247,565

CONTROLLING RANDOM ACCESS FAILURE ON A SECONDARY CELL

Telefonaktiebolaget L M E...

1. A method in a base station for controlling a Random Access, RA, procedure comprising:
initiating the RA procedure on a Secondary Cell, SCell, in a User Equipment, UE, by sending to the UE a Physical Downlink
Control Channel, PDCCH, order for the RA procedure on the SCell,

at initiation of RA, starting a timer in the base station, wherein said timer is a timer for random access failure detection
associated with said initiated RA procedure,

if the RA procedure has not been completed before expiry of said timer, sending a command to the UE, commanding the UE to
deactivate the SCell, and thereby stopping the RA procedure on the SCell.

US Pat. No. 9,288,702

USER EQUIPMENT REPORTING OF CONNECTION LOSS

Telefonaktiebolaget L M E...

1. A method for handling reports on lost connections in a terminal device which is capable of being in communication connection
with a plurality of network access nodes, wherein the terminal device performs the following steps:
after having lost connection to a first network access node, generating a report on the loss of connection,
storing the report when the terminal device is reconnected to a third network access node comprising one of a different access
technology, a different network, and a different network operator than the first network access node to which the terminal
device was connected before the loss of connection, and

upon or after reconnecting with one of the first and a second network access node, sending the report to one of the first
and second network access nodes.

US Pat. No. 9,282,509

METHOD AND MECHANISM FOR CONSERVING POWER CONSUMPTION OF SINGLE-CARRIER WIRELESS TRANSMISSION SYSTEMS

Telefonaktiebolaget L M E...

7. A Base Station (BS) that is part of a wireless system and configured to perform the following: provide Radio Frequency
(RF) coverage over a geographical region associated with the BS in the wireless system; determine a transmission load of the
BS for transmitting Downlink (DL) RF signals to one or more User Equipments (UEs) in the wireless system within the RF coverage
region of the BS, wherein the BS is operating in a single-carrier configuration that employs a single Power Amplifier (PA)
and a single Transmit/Receive (Tx/Rx) chain to transmit and receive RF signals using one or more subcarriers that are available
to the BS over an entire frequency spectrum associated with the BS in the wireless system; and in proportion to a loading
of the BS, vary an amount of an RF transmission resource available to the BS for DL transmissions and to the one or more UEs
for Uplink (UL) transmissions to the BS; wherein the RF transmission resource is a series of time segments allocated by the
BS for DL and UL transmissions in the wireless system at a specific subcarrier frequency, and wherein the step of varying
the amount of the RF transmission resource includes at least one of the following: increasing or decreasing a number of time
segments for DL transmissions in proportion to the loading of the BS; and increasing or decreasing the number of time segments
for UL transmissions in proportion to the loading of the BS, wherein the increasing or decreasing steps are performed without
signaling the increasing or decreasing of the number of time segments to the UEs within the coverage region of the base station.

US Pat. No. 9,292,324

VIRTUAL MACHINE SUPERVISION BY MACHINE CODE REWRITING TO INJECT POLICY RULE

Telefonaktiebolaget L M E...

1. An arrangement in a virtual machine for virtual machine supervision, the arrangement comprising one or more processors
configured to:
receive program code to be executed on the virtual machine, wherein the one or more processors are further configured to receive
a rule from a policy provider external to the virtual machine, the rule referring to the execution of the program code,

create rule infused machine code based on the program code and the rule, by injecting instructions that enforce a set of rules
for the execution of program code into the program code, such that the rule is enforced when the machine code is executed
on the virtual machine,

execute the rule infused machine code,
check if the execution of the rule infused machine code complies with the rule, and based on the check, store a value in a
private memory area, and at a later check, access the value and perform an action based on the value, wherein the private
memory area is private such that only rule elements in the rule infused machine code can access values in the private memory
area.

US Pat. No. 9,071,693

SYSTEM AND METHOD FOR ACTIVE CALL CONCIERGE FOR SUPPLEMENTARY CALL SERVICES

Telefonaktiebolaget L M E...

1. A method comprising:
determining by a user equipment, based at least in part on a call service provided by a network, that a telephone number to
be called by the user equipment is associated with at least one supplementary service previously invoked when the telephone
number was previously called, by comparing said telephone number with called numbers stored in said user equipment;

requesting user input regarding whether to invoke the at least one supplementary service associated with one of said called
number which matches said telephone number;

automatically appending said at least one supplementary service associated with one of said called numbers which matches said
telephone number, to a string of characters based on said user input; and

in response to said determining, transmitting from said user equipment a signal including an identifier associated with the
previously invoked supplementary service.

US Pat. No. 9,294,952

METHOD AND APPARATUS IN A MULTI-CARRIER SYSTEM FOR CONTROLLING INTERRUPTION AND MEASUREMENT PERFORMANCE

Telefonaktiebolaget L M E...

1. A method of performing measurements on one or more cells of a multi-carrier wireless communication network on at least
one configured secondary component carrier, SCC, said method performed by a wireless device configured for carrier aggregation
and served by at least one serving cell of the wireless communication network and comprising:
receiving a Positioning Reference Signal, PRS, configuration for configuring positioning measurements to be made by the wireless
device with respect to at least one cell on the SCC;

receiving a Secondary Cell, SCell, measurement cycle configuration for configuring Radio Resource Management, RRM, measurements
to be made by the wireless device on at least one cell on the SCC; and

performing the positioning and RRM measurements according to the PRS and SCell measurement cycles configurations, respectively,
including aligning the positioning and RRM measurements with respect to each other, to avoid exceeding a permitted level of
interruption on the serving cell.

US Pat. No. 9,288,686

TOPOLOGY DISCOVERY BASED ON SCTP/X2 SNOOPING

Telefonaktiebolaget L M E...

1. A method in a first network device that is communicatively coupled to a second network device in a network, the first network
device communicatively coupled to a first radio base station (RBS), the second network device communicatively coupled to a
second RBS, the method comprising:
receiving a plurality of packets, wherein each packet of the plurality of packets is received over an X2-C interface, wherein
each of the plurality of packets contains an Internet Protocol (IP) header, a stream control transmission protocol (SCTP)
header, and one or more SCTP chunks;

determining a packet type of one or more packets of the received plurality of packets;
discovering one or more IP addresses of the second RBS using information of the one or more packets of the received plurality
of packets, wherein the information used for discovering the one or more IP addresses is determined based on the determined
packet type of the one or more packets; and

creating a network route between the first RBS and the second RBS for each of the one or more discovered IP addresses.

US Pat. No. 9,276,870

SWITCHING NODE WITH LOAD BALANCING OF BURSTS OF PACKETS

TELEFONAKTIEBOLAGET L M E...

1. A method of operating a packet switching node coupled by links to other nodes, as an ingress node, the method comprising:
receiving packets belonging to a specified packet flow, to be sent on to a destination node;
assembling the received packets of the flow into bursts of packets, the bursts being groups of consecutive packets belonging
to the flow, each burst having a burst control packet, the burst control packet indicating a sequence of the burst in the
flow, to enable the sequence to be maintained after transmission;

determining whether to distribute the flow;
selecting, if the flow is to be distributed, at least two of the links to use for sending on the bursts of the flow towards
the destination node; and

distributing the bursts of the flow between the selected links by:
forwarding a first of the bursts for switching to a first output port, for transmission over a first of the selected links;
and

forwarding a second of the bursts for switching to a second output port, for transmission over a second of the selected links.

US Pat. No. 9,137,231

ACCESS THROUGH NON-3GPP ACCESS NETWORKS

Telefonaktiebolaget L M E...

1. A method performed by a user equipment for communication through an access network, comprising:
retrieving information from, or interpreting a condition indicated by, a message sent to the user equipment from a Third Generation
Partnership Project (3GPP) Authentication, Authorization, Accounting (AAA) server in a 3GPP home network of the user equipment,
in an authentication procedure being part of establishing a connection from the user equipment through the access network,
the information or condition relating to whether the access network is trusted or not, the retrieving occurring before the
connection is established; and

using, in a following stage of the procedure of establishing the connection, the retrieved information or the result of the
interpreting of the condition for selecting an appropriate way of establishing the connection through the access network.

US Pat. No. 9,288,700

METHOD, NETWORK NODE, COMPUTER PROGRAM AND COMPUTER PROGRAM PRODUCT FOR DETERMINING A DROPPED CONNECTION

Telefonaktiebolaget L M E...

1. A method, performed in a network node of a mobile communication network, for determining a dropped connection to a mobile
terminal, the method comprising:
detecting a release of a radio bearer associated with the mobile terminal;
determining whether the radio bearer is a real-time type radio bearer;
when the radio bearer is a real-time type radio bearer, determining the released radio bearer to be a dropped connection when
the release is classified as an involuntary release; and

when the radio bearer differs from a real-time type radio bearer, determining the released radio bearer to be a dropped connection
when there is remaining user data in a buffer for transfer in either direction over the released radio bearer.

US Pat. No. 9,288,780

METHOD FOR CONTROLLING A COMMUNICATION NETWORK, SERVERS AND SYSTEM INCLUDING SERVERS, AND COMPUTER PROGRAMS

Telefonaktiebolaget L M E...

21. A first control plane server that is associated with a first radio access network (RAN) in which a user equipment is registered
and that is configured to:
selectively operate in a master role or a slave role with respect to a second control plane server that is associated with
a second RAN in which the user equipment is also registered;

when operating in the slave role, inform a network node about the location of the user equipment by sending a signaling message
to the second control plane server, the second control plane server being configured to perform control plane signaling on
behalf of the first control plane server for informing the network node about said location; and

when operating in the master role, receive a signaling message from the second control plane server, and, responsive to the
signaling message, perform control plane signaling on behalf of the second control plane server to inform the network node
about the location of the user equipment.

US Pat. No. 9,380,460

METHOD AND SYSTEM FOR CORRELATING AUTHENTICATION, AUTHORIZATION AND ACCOUNTING SESSIONS

Telefonaktiebolaget L M E...

10. A relay agent in a telecommunications network, comprising:
a communication interface;
a processing unit coupled to the communication interface; and
a memory unit coupled to the processing unit, the processing unit is configured to run instruction sets stored in the memory
unit to:

receive, using the communication interface, a request from a Diameter protocol client for starting a Diameter session, wherein
the request complies with a Diameter protocol,

in response to the Diameter client request, perform a lookup in one of a local register and an external register for determining
existing Diameter sessions;

select a PCRF server from among a plurality of PCRF servers if no existing Diameter session suitable for the requested Diameter
session is found by the lookup,

relay the Diameter client request to the PCRF server,
receive an answer from the PCRF server,
register the PCRF server selection;
relay the answer from the PCRF server to the Diameter client, the relay agent being session aware;
support multiple applications to correlate the requested Diameter session with one or more other subsequently requested Diameter
sessions that require binding; and

relay the correlated Diameter sessions to the same PCRF server selected for the requested Diameter session.

US Pat. No. 9,288,015

SEQUENCE NUMBER UPDATE

Telefonaktiebolaget L M E...

1. A method for managing communication at a mobile terminal, the method being implemented by the mobile terminal and comprising:
if the mobile terminal does not have a dedicated destination address allocated, initializing a next expected sequence number
associated with common packet data units having a shared destination address and shared sequence numbers;

after initializing the next expected sequence number, receiving an initial packet data unit having the shared destination
address and comprising an initial shared sequence number and a payload carrying data;

responsive to a determination that the initial packet data unit was correctly received, accepting the initial packet data
unit and starting a first timer associated with the common packet data units having the shared destination address and shared
sequence numbers;

while the first timer is running:
accepting all subsequent packet data units having the shared destination address that are correctly received and storing the
subsequent packet data units in a reordering buffer;

resetting the first timer responsive to determining that one of said subsequent packet data units is correctly received;
starting a second timer responsive to determining that one of said subsequent packet data units has a sequence number higher
than the next expected sequence number; and

responsive to expiration of the first timer, resetting the value of the next expected sequence number to a first predefined
initial value, and resetting the upper boundary of a receiver window in the mobile terminal to a second predefined initial
value.

US Pat. No. 9,204,309

SPECTRUM SHARING USING POWER SPLIT BETWEEN PRIMARY AND SECONDARY TRANSMITTERS

The Board of Trustees of ...

1. A method for wireless spectrum sharing, the method comprising:
broadcasting a primary signal from a primary transmitter using a primary wireless spectrum assigned to a primary communication
system;

transmitting a secondary signal from a secondary transmitter to a secondary receiver using the primary wireless spectrum assigned
to the primary communication system, wherein the secondary transmitter and the secondary receiver belong to a secondary communication
system to which no wireless spectrum is assigned, or to which a secondary wireless spectrum is assigned, wherein the secondary
wireless spectrum is distinct from the primary wireless spectrum;

wherein transmitting the secondary signal from the secondary transmitter comprises transmitting with a total power P split
between power ?P used by the secondary transmitter to transmit the primary signal, whereby the primary signal broadcasted
by the primary transmitter is amplified, and power (1??)P used by the secondary transmitter to transmit the secondary signal
to the secondary receiver;

wherein ? is computed by the secondary transmitter to protect the primary signal from quality of service degradation caused
by the secondary signal by selecting ? such that the power (1??)P of the secondary signal ensures that an SINR of the primary
signal received by a hypothetical primary receiver located near the secondary transmitter exceeds a predetermined SINR threshold.

US Pat. No. 9,225,629

EFFICIENT IDENTIFICATION OF NODE PROTECTION REMOTE LFA TARGET

Telefonaktiebolaget L M E...

1. A method implemented by a network device to improve efficiency of computing a node-protecting remote loop-free alternate
(LFA) in a network topology graph, the network topology graph including a source node (S), a primary next hop node (E), and
a set of S-E destination nodes, where an S-E destination node is a node that is reachable from the source node on a shortest
path via the primary next hop node, the source node having a node-protecting extended P-space that protects the primary next
hop node, where the source node's node-protecting extended P-space that protects the primary next hop node is a set of nodes
that are reachable on a shortest path from a neighbor node of the source node, excluding the primary next hop node, without
transiting the primary next hop node E, the primary next hop node E having a link-protecting Q-space that protects a link
connecting the source node and the primary next hop node (S-E link), where the primary next hop node's link-protecting Q-space
that protects the S-E link is a set of nodes that can reach the primary next hop node on a shortest path without transiting
the S-E link, the node-protecting remote LFA to provide an alternate route for the source node to reach an S-E destination
node in case of a failure of the primary next hop node, the method comprising the steps of:
computing a reverse shortest path first (SPF) algorithm rooted at the primary next hop node, wherein the reverse SPF algorithm
rooted at the primary next hop maintains a reverse path of a shortest path computed by the reverse SPF algorithm rooted at
the primary next hop node;

selecting a node that is in both the source node's node-protecting extended P-space that protects the primary next hop node
and the primary next hop node's link-protecting Q-space that protects the S-E link;

traversing the reverse path of the shortest path computed by the reverse SPF algorithm rooted at the primary next hop node
starting from the selected node and towards the primary next hop node; and

assigning the selected node as a node-protecting remote LFA for each S-E destination node visited along the traversal of the
reverse path that has not been assigned a node-protecting remote LFA.

US Pat. No. 9,615,263

METHOD TO IMPROVE THE PERFORMANCE IN CELL RANGE EXPANSION USING LOCATION BASED CODEBOOK SUBSET RESTRICTION

Telefonaktiebolaget L M E...

1. A method of operation of a network node in a cellular communications network, comprising:
determining a codebook subset restriction for a wireless device based on a location of the wireless device within a serving
cell of the wireless device, wherein determining the codebook subset restriction for the wireless device based on the location
of the wireless device within the serving cell of the wireless device comprises:

determining whether the wireless device is a cell edge wireless device based on the location of the wireless device within
the serving cell of the wireless device; and

if the wireless device is a cell edge wireless device, selecting the codebook subset restriction such that the codebook subset
restriction is a predetermined codebook subset restriction that mitigates co-channel interference to other wireless devices;
and

sending an indication of the codebook subset restriction to the wireless device;
wherein the codebook subset restriction is dynamic.

US Pat. No. 9,281,888

QUADRATURE SIGNAL GENERATOR, BEAMFORMING ARRANGEMENT, COMMUNICATION DEVICE AND BASE STATION

TELEFONAKTIEBOLAGET L M E...

1. A quadrature signal generator comprising:
a resistor-capacitor (RC) polyphase filter comprising:
a first and a second input terminal;
a first, a second, a third, and a fourth output terminal; and
a plurality of cascade-connected stages of RC units, each of the RC units comprising a resistive element and a capacitive
element,

wherein a first end of each resistive element is set as an input, and a second end of each resistive element is set as an
output for the respective stage, and

wherein the capacitive element of each RC unit is connected between the second end of the resistive element of that RC unit
and the first end of the resistive element of a next one of the RC units,

wherein the capacitive element of a last one of the RC units is connected between the second end of the resistive element
of the last one of the RC units of the stage and the first end of the resistive element of a first one of the RC units of
the stage, and

wherein the plurality of cascade-connected stages of RC units comprises an input stage connected to the first and second input
terminals and an output stage connected to the first, second, third, and fourth output terminals; and

an inductor compensation circuit connected at the output terminals, the inductor compensation circuit comprising a first inductor
connected between the first and the third output terminals, and a second inductor connected between the second and fourth
output terminals.

US Pat. No. 9,154,198

TRANSMISSION MODE ALLOCATION IN LTE NETWORKS

Telefonaktiebolaget L M E...

1. A method, in a radio transceiver that supports two or more Multiple-Input Multiple-Output (MIMO) transmission and reception
modes, the method comprising:
evaluating channel conditions between the radio transceiver and a remote wireless device;
comparing a throughput demand for the remote wireless device to a forward link capacity or reverse link capacity, or both,
wherein the forward link capacity or reverse link capacity is calculated to at least take into account an anticipated modulation
and coding scheme (MCS) that is based on channel quality;

based on the channel conditions and the throughput demand, changing a forward link transmission mode or a reverse link transmission
mode, or both, from a first multi-stream mode to a second multi-stream mode, the second multi-stream mode having fewer streams
than the first multi-stream mode, despite that channel conditions for the corresponding link support the first multi-stream
mode.

US Pat. No. 9,277,538

NODE SELECTION IN A PACKET CORE NETWORK

Telefonaktiebolaget L M E...

1. A method of allocating user plane nodes to a connection being established across a packet core network, comprising:
maintaining at a Domain Name System (DNS) server one or more DNS resource records for each available user plane node in the
packet core network, wherein the one or more DNS resource records comprises a fully qualified domain name (FQDN) for each
area identity, each area identity represents a group of user plane nodes, associated with a user plane node in the packet
core network;

processing a connection establishment request originating from a user equipment (UE) to a core network node within the packet
core network;

sending a DNS query to a DNS server, the query containing at least one criterion for selecting a user plane node;
receiving the query at the DNS server and, on the basis of the at least one criterion, identifying one or more DNS resource
records satisfying the criterion, and returning the identified one or more DNS resource records to said core network node;
and

receiving the one or more DNS resource records at the core network node, and using the FQDNs representing each area identity
associated with a user plane node in the packet core network that are contained in the one or more DNS resource records when
allocating a user plane node to said connection, wherein using the FQDNs representing each area identity associated with a
user plane node in the packet core network when allocating a user plane node to said connection comprises

matching each of the FQDNs of each of the received DNS resource records with the FQDN of another received DNS resource record
or with the FQDN of a user plane node currently allocated to said connection;

selecting the user plane node of which the FQDN of the received DNS resource record matches the most number of area identities,
from right to left, with the FQDN of another received DNS resource record or with the FQDN of a user plane node currently
allocated to said connection; and

if more than one user plane nodes matches the most number of area identities, selecting the user plane node of which the FQDN
has the least number of area identities.

US Pat. No. 9,189,247

METHOD FOR SWITCHING BETWEEN VIRTUALIZED AND NON-VIRTUALIZED SYSTEM OPERATION

Telefonaktiebolaget L M E...

1. In a system comprising an embedded system capable of operating as a virtualized system under supervision of a hypervisor
or as a non-virtualized system under supervision of an operating system, a method comprising the steps of:
executing the embedded system in a normal mode, if no execution of any security critical function is required by the embedded
system, where the normal mode execution is performed under supervision of the operating system;

determining that execution of a security critical function is required by the embedded system;
switching, by the operating system, execution of the embedded system from normal mode to protected mode, by handing over the
execution of the embedded system from the operating system to the hypervisor, in response to the determination that execution
of the security critical function is required by the embedded system, where protected mode execution is performed under supervision
of the hypervisor;

determining that the execution of the security critical function is no longer required by the embedded system; and
switching, under supervision of the hypervisor, the embedded system from protected mode to normal mode, in response to the
determination that execution of the security critical function is no longer required by the embedded system.

US Pat. No. 9,237,532

E-UTRAN AND HANDOVER

Telefonaktiebolaget L M E...

1. A method of operating a wireless communication network which includes a source base station and a target base station,
the method comprising:
exchanging between the source base station and the target base station a random access channel (RACH) power control parameter
to be used by a user equipment for determining a transmission power with which the user equipment transmits a RACH transmission;

the user equipment using the RACH power control parameter for requesting access to the wireless communications network; and
wherein the exchange between the source base station and the target base station comprises the target base station sending
the RACH power control parameter to the source base station before the source base station signals a random access parameter
to the user equipment in conjunction with a handover of the user equipment to the target base station.

US Pat. No. 9,299,764

INDUCTOR LAYOUT, AND A VOLTAGE-CONTROLLED OSCILLATOR (VCO) SYSTEM

TELEFONAKTIEBOLAGET L M E...

1. An inductor layout comprising:
a first inductor; and
a second inductor;
wherein the first and second inductors comprise electrically and magnetically independent inductors;
wherein the first and second inductors are concentrically arranged on an integrated circuit; and
wherein at least one of the first and second inductors comprises a first multi-loop inductor with a first axis of symmetry.

US Pat. No. 9,307,553

METHOD AND APPARATUS IN A WIRELESS COMMUNICATIONS SYSTEM

Telefonaktiebolaget L M E...

1. A method in a user equipment for handling a scheduling request, the user equipment comprising a buffer, the method comprising:
receiving data to be transmitted to a base station, and storing the data in the buffer;
triggering a scheduling request which will remain pending until it is cancelled, in response to receiving the data;
configuring the user equipment to cancel the pending scheduling request based on a Medium Access Control (MAC) Packet Data
Unit (PDU) being assembled in the user equipment which includes a buffer status report which contains buffer status up to
and including the last event that triggered a buffer status report;

configuring the user equipment to cancel the pending scheduling request based on an uplink grant being received which can
accommodate all pending data in the buffer that is available for transmission; and

cancelling the pending scheduling request if either of the following occurs:
the Medium Access Control (MAC) Packet Data Unit (PDU) is assembled in the user equipment which includes a buffer status report
which contains buffer status up to and including the last event that triggered a buffer status report; or

the uplink grant has been received which can accommodate all pending data in the buffer that is available for transmission.

US Pat. No. 9,295,018

COMMUNICATION NETWORK NODES AND METHODS PERFORMED THEREIN

TELEFONAKTIEBOLAGET L M E...

1. A method performed by a synchronisation report module for providing paths to a synchronisation module, the synchronisation
report module being associated with a network node of a communication network, the communication network comprising at least
one Synchronisation Master entity, the method comprising:
receiving a request for two paths of a first Synchronisation Master reference and two paths of a second Synchronisation Master
reference from the synchronisation module, the two paths of the first Synchronisation Master reference extending between a
Synchronisation Master entity of the first Synchronisation Master reference and respective ones of a first access network
node and a second access network node and the two paths of the second Synchronisation Master reference extending between a
Synchronisation Master entity of the second Synchronisation Master reference and the respective ones of the first access network
node and the second access network node,

in response to the received requests, determining the two paths of the first Synchronisation Master reference and the two
paths of the second Synchronisation Master reference based on a Path Computation Engine (PCE), and

sending the determined paths to the synchronisation module,
the sent paths to be received by the synchronisation module for being utilised when selecting which one of the first Synchronisation
Master reference and the second Synchronisation Master reference to be applied by the first access network node and the second
access network node.

US Pat. No. 9,270,324

EFFICIENT GENERATION OF SPREADING SEQUENCE CORRELATIONS USING LOOKUP TABLES

Telefonaktiebolaget L M E...

1. A method in a receiver, comprising:
receiving a signal containing a block of multiple symbols, each symbol containing information bits spread by a spreading sequence
of chips, where each spreading sequence is determined by a channelization sequence and a first complex-valued scrambling sequence
of chips or a second complex-valued scrambling sequence of chips;

processing each symbol block using a set of multiple spreading sequences using one or more correlations between one or more
pairs of spreading sequences in the set, wherein spreading sequence correlation values between each pair of the multiple spreading
sequences in the set are manipulated and stored in one or more lookup tables;

addressing one of the lookup tables with an address determined using a first set of reduced basic scrambling bits to retrieve
one or more correlation values from the addressed lookup table, wherein the first set of reduced basic scrambling bits is
based on manipulation of one set of basic scrambling bits which reduces a number of bits included in the determined address
to less than a number of binary values in the one set of basic scrambling bits, wherein the one set of basic scrambling bits
is used to construct one of the first and second complex-valued scrambling sequences; and

using the retrieved one or more correlation values in mitigating spreading sequence correlation interference between spreading
sequences in the set in a process to detect symbol values for two or more information symbols in the symbol block.

US Pat. No. 9,237,491

METHOD AND DEVICE FOR A RELAY NODE

Telefonaktiebolaget L M E...

1. A network node for a Radio Access Network or a Core Network, comprising:
a receive unit;
a transmit unit; and
a control unit, wherein the control unit is configured to:
receive one or more messages, using the receive unit, as part of an initial connection procedure from a User Equipment in
a first cell of the Radio Access Network;

identify the User Equipment as a relay node in said first cell, using the received one or more messages;
transmit a non-support indication to the relay node, using the transmit unit, upon identifying the User Equipment as a relay
node, indicating that a base station that serves said first cell does not support a relay node; and

transmit to the relay node, using the transmit unit, upon the identifying the User Equipment as a relay node, one or more
of:

an alternative carrier or frequency band intended for relay node communications;
an alternative Radio Access Technology intended for relay node communications;
a list of one or more cells in which there is support for relay nodes; and
a list of one or more cells in which there is not support for relay nodes.

US Pat. No. 9,320,008

METHOD AND APPARATUS FOR DETERMINING GEOGRAPHIC POSITION OF MOBILE TERMINALS

Telefonaktiebolaget L M E...

1. A method of determining geographic position of mobile terminals in a mobile communication network, the method comprising:
receiving raw measurement data in the mobile communication network;
adapting the raw measurement data to be stored in an image format comprising a plurality of pixels, wherein each pixel of
the image format represents information associated with more than one kind of data of the raw measurement data; and

determining geographic position of mobile terminals based on the raw measurement data stored in the image format.

US Pat. No. 9,301,251

METHODS, APPARATUS AND COMPUTER PROGRAMS FOR BASE STATION INITIATED ENERGY SAVINGS WITHIN AN ASSOCIATED USER EQUIPMENT

TELEFONAKTIEBOLAGET L M E...

1. A method, in a base station of a communication system, the communication system also comprising one or more user equipment,
the method comprising:
detecting that no control transmission or data transmission is being prepared for the one or more user equipment;
transmitting a downlink inactivity indicator to the one or more user equipment, in response to the detecting;
wherein the communication system conforms to a LTE standard;
wherein the downlink inactivity indicator comprises Physical Control Format Indicator Channel set to zero in sub-frames having
no control data or user data.

US Pat. No. 9,356,828

SHARED PATH RECOVERY SCHEME

TELEFONAKTIEBOLAGET L M E...

1. A method of operating a first node in a connection-oriented network in which there is a first working path and a second
working path, the method comprising:
receiving signalling at the first node, wherein the first node is shared between a first recovery path for the first working
path and a second recovery path for the second working path, wherein the signalling is received from one node of the first
working path;

causing, in response to the signalling received from the one node of the first working path, the first node to allocate resources
for a part of the first recovery path for the first working path, the resources being at the first node and being shared by
the first recovery path for the first working path and the second recovery path for the second working path; and

storing an association between the shared resources and a second node on the first working path, wherein the second node is
identified in the signalling, and wherein the first node is to notify the second node when the shared resources are used by
the second recovery path for the second working path.

US Pat. No. 9,271,144

EVENT NOTIFICATION IN A HYBRID NETWORK

Telefonaktiebolaget L M E...

1. A method of managing communication resources in a hybrid network including a circuit switched network and a packet switched
network, the method performed in a node within the packet switched network, the method comprising:
establishing packet data communications between said packet switched network and a mobile station over an access network that
is distinct from an access network used for circuit switched communications between said circuit switched network and said
mobile station, wherein said hybrid network combines said packet switched network and said circuit switched network with different
signaling protocols and different air interfaces;

receiving an event notification at said node from said circuit switched network indicative of a change in the status of the
mobile station; and

managing communication resources used for said packet data communications with the mobile station based on said event notification
from said circuit switched network.

US Pat. No. 9,385,762

LINEARIZATION OF INTERMODULATION BANDS FOR CONCURRENT DUAL-BAND POWER AMPLIFIERS

Telefonaktiebolaget L M E...

1. A concurrent multi-band transmitter, comprising:
a digital predistortion subsystem comprising a plurality of digital predistorters configured to process a plurality of digital
input signals for a plurality of frequency bands of a concurrent multi-band signal to provide a plurality of predistorted
digital input signals each being for a different one of the plurality of frequency bands of the concurrent multi-band signal
and one or more intermodulation distortion compensation signals each being for a different one of one or more intermodulation
distortion frequency bands;

circuitry configured to process the plurality of predistorted digital input signals and the one or more intermodulation distortion
compensation signals to provide a predistorted concurrent multi-band signal;

power amplifier circuitry configured to amplify the predistorted concurrent multi-band signal to provide the concurrent multi-band
signal; and

an adaptation subsystem configured to adaptively configure the plurality of digital predistorters based on a memory polynomial
based digital baseband model of the plurality of digital predistorters.

US Pat. No. 9,281,876

PERFORMING COORDINATED MULTIPOINT TRANSMISSION AND RECEPTION (COMP) IN A WIRELESS COMMUNICATION NETWORK

Telefonaktiebolaget L M E...

1. A method performed by a network node configured for operation in a wireless communication network:
obtaining received signal strength values for each user equipment among a plurality of user equipments, with respect to each
antenna among a plurality of antennas associated with two or more access nodes to be used as a cooperating cell group for
Coordinated Multi-Point (CoMP) data transmissions to the user equipments, wherein at least one of the access nodes includes
two or more antennas available for use in the CoMP data transmissions;

calculating antenna relationship values for each user equipment with respect to the plurality of antennas, based on the received
signal strength values;

identifying which ones of the plurality of antennas are most important for each user equipment, based on the antenna relationship
values calculated for the user equipment;

arranging the plurality of user equipments into two or more groups, so that the user equipments in each group have one or
more important antennas in common; and

associating subsets of the plurality of antennas with the groups, such that each group is allocated one or more of the antennas
identified as being important for the user equipments in the group and such that the CoMP data transmissions to the user equipments
in each group use only the associated subset of antennas; and

coordinating the CoMP data transmissions to the plurality of user equipments from the cooperating cell set based on scheduling
the groups of user equipments separately and scheduling the user equipments in each group together.

US Pat. No. 9,276,605

COMPRESSION AND DE-COMPRESSION OF COMPLEX VALUED OFDM DATA FOR A RADIO BASE STATION

Telefonaktiebolaget L M E...

1. A compression method comprising:
receiving a time-domain complex-valued Orthogonal Frequency-Division Multiplex (OFDM) data block comprising a plurality of
complex-valued data samples wherein each complex-valued data sample comprises an in-phase sample value and a quadrature sample
value, each represented by a first number, M, of bits;

determining an absolute sample value of each of the in-phase sample value and the quadrature sample value for each of the
complex-valued data samples;

calculating an average of the absolute sample values of the time domain complex-valued OFDM data block to produce an average
absolute sample value;

mapping the average absolute sample value to a standard deviation value associated with the absolute sample values based on
a mapping function which expresses the average absolute sample value as a first function minus a second function, wherein
the first function is a function of the first number of bits and the second function is a sum of 2(M-1)?1 terms, each term comprising a function of the standard deviation;

for each of the complex-valued data samples, quantizing each of the in-phase sample value and the quadrature sample value
using a number of quantization thresholds scaled by the standard deviation value to produce quantized in-phase and quadrature
sample value representations, each comprising a second number of bits, wherein the second number of bits are fewer than the
first number of bits; and

mapping the standard deviation value and the quantized in-phase and quadrature sample value representations to an OFDM transmission
frame.

US Pat. No. 9,407,496

METHOD AND APPARATUS FOR PATH SWITCHING

TELEFONAKTIEBOLAGET L M E...

1. A path switching method in a network comprising at least a first path and a second path, the method comprising:
forwarding, by a path switching apparatus, an incoming traffic flow via the first path, wherein for the first path, one or
more traffic flows are multiplexed into a tunnel, and one or more higher level tunnels are multiplexed into a lower level
tunnel;

for the incoming traffic flow, determining, by the path switching apparatus, that out of a plurality of tunnels on the first
path of all levels into which the incoming traffic flow is multiplexed, any one of the plurality of tunnels is of a failure
status; and

forwarding, by the path switching apparatus, the incoming traffic flow via the second path instead of the first path based
on the determination.

US Pat. No. 9,253,739

METHODS AND ARRANGEMENTS FOR CONTROLLING TRANSMIT POWER IN A RADIO BASE STATION

Telefonaktiebolaget L M E...

1. A method in a radio base station of a wireless communications system for controlling transmit power, wherein the radio
base station has a maximum allowed average output power, the method comprising:
determining a first transmit power of at least a first type of subframe which is higher than the maximum allowed average output
power, and a second transmit power of at least a second type of subframe which is lower than the maximum allowed average output
power,

determining an average transmit power by which the radio base station transmitted an amount of subframes during a preceding
time period,

determining a maximum allowed power for a subsequent subframe based on the determined average transmit power and the maximum
allowed average output power; and

determining at least one type of subframe to be allowed for the subsequent subframe based on the determined maximum allowed
power for the subsequent subframe and at least the first and second transmit power.

US Pat. No. 9,246,712

TRAFFIC ACCELERATION IN MOBILE NETWORK

TELEFONAKTIEBOLAGET L M E...

1. A method for enabling traffic acceleration in a mobile telecommunication network, the method comprising the following steps:
receiving, at a Radio Network Node, a name resolution reply message from a content delivery provider located outside the mobile
telecommunication network;

intercepting the reply message;
extracting a token from the reply message;
comparing the token with a stored token in the Radio Network Node;
replacing in the reply message, an Internet protocol IP address of a content delivery provider server with a preset IP address
corresponding to an acceleration edge server in the mobile network, when there is a match between the token and the stored
token; and

sending from the Radio Network Node the modified reply message to a mobile terminal.

US Pat. No. 9,236,899

CREST FACTOR REDUCTION OF INTER-BAND CARRIER AGGREGATED SIGNALS

Telefonaktiebolaget L M E...

1. A method of reducing a crest factor of inter-band carrier aggregated signals, the inter-band carrier signals comprising
a plurality of carrier signals, the method comprising:
calculating the amplitude of each of the plurality of carrier signals of the inter-band carrier aggregated signals;
producing an estimate of an envelope of a combination of the carrier signals based on a sum of the calculated amplitudes of
the plurality of carrier signals; and

comparing the estimate of the envelope of the combination of the carrier signals to a clipping threshold to determine whether
to clip each of the plurality of carrier signals.

US Pat. No. 9,112,636

ADD AND DROP SWITCH/AGGREGATOR FOR OPTICAL COMMUNICATIONS NETWORKS

Telefonaktiebolaget L M E...

1. An apparatus for an optical communications network, the apparatus comprising:
a demultiplexer;
a first plurality of drop optical switches configured to drop wavelength channels, wherein the first plurality of drop optical
switches are arranged in a first matrix with a number of rows corresponding to a number of output ports of the demultiplexer
and a number of columns corresponding to a number of transponders, wherein each drop optical switch has an express input port
associated with a single output port of the demultiplexer, a drop output port associated with an individual transponder, and
an express output port; and

a second plurality of add optical switches arranged in a second matrix, configured to add wavelength channels, wherein each
add optical switch has an express input port adapted to receive a comb of wavelengths, an add input port adapted to receive
a single wavelength to be added to the comb of wavelengths, and an output port, wherein the second matrix comprises a number
of columns corresponding to the number of transponders.

US Pat. No. 9,292,272

DIFFERENTIAL FLASH ARCHIVE INSTALLATION

Telefonaktiebolaget L M E...

1. A method of installing a software program in a computing device, the computing device having stored therein a first operating
system that supports execution of the software program, the method comprising:
determining a differential software component between a second software component and a first software component, the second
software component comprising the first operating system and the software program and the first software component comprising
the first operating system;

generating a differential image corresponding to the differential software component;
storing the differential image and a miniaturized version of a second operating system onto a bootable computer readable medium,
the miniaturized version of the second operating system supportive of an extraction of the differential image;

accessing the bootable computer readable medium from the computing device; and
installing the differential image in the computing device based at least in part on accessing of the bootable computer readable
medium, without performing one or more verifications related to the first operating system prior to the installation, wherein
the differential image corresponds to the software program.

US Pat. No. 9,287,947

METHOD AND DEVICE FOR ADAPTIVE PRE-CODING

Telefonaktiebolaget L M E...

1. A network node which supports an Enhanced General Packet Radio Service (EGPRS), the network node being arranged to transmit
Radio Link Control (RLC) data blocks to at least one other network node in an EGPRS system and to receive acknowledgments
from the other network node for successfully received RLC data blocks, the network node also being arranged to make pre-emptive
retransmissions of unacknowledged previously transmitted RLC data blocks, the network node being arranged to make its transmissions
with or without precoding, the network node being characterized in that it is arranged to use precoding for a first percentage
of the pre-emptive retransmissions and for a second percentage of the transmissions of RLC data blocks that have not been
transmitted previously, whereby some of said pre-emptive retransmissions and transmissions of RLC data blocks that have not
been transmitted previously will be using said precoding.

US Pat. No. 9,215,729

METHOD AND ARRANGEMENT IN A TELECOMMUNICATIONS SYSTEM

Telefonaktiebolaget L M E...

1. A method for requesting scheduling of resources to be used for uplink communication of data from a user equipment in a
communications system, the method comprising:
monitoring that a threshold value representing a maximum limit of scheduling requests has been reached;
releasing uplink control channel resources; and
initiating a random access transmission on a random access channel in response to said threshold value having been reached;
wherein the threshold value representing the maximum limit is a maximum number of scheduling requests transmitted by the user
equipment and wherein the number of scheduling requests that the user equipment repeatedly transmits on a dedicated uplink
control channel in relation to the data while not having been granted uplink resources is limited by the threshold value representing
a maximum limit of scheduling requests; and

wherein releasing uplink control channel resources comprises releasing uplink control channel resources based on no uplink
resources having been granted and the threshold value having been reached.

US Pat. No. 9,184,819

SELECTING ANTENNAS IN DOWNLINK COOPERATIVE SCHEDULING

Telefonaktiebolaget L M E...

1. A method for obtaining a set of selected antennas in a mobile communication network, wherein each one of the selected antennas
is intended to be used in data transmissions to a first mobile communication terminal, the method being performed in a network
node of the mobile communication network and comprising:
obtaining a set of candidate antennas, wherein each one of the candidate antennas is arranged to send out the same cell identifier
and at least some of the candidate antennas have different coverage areas;

evaluating performance of at least a subset of the candidate antennas in relation to the first mobile communication terminal;
and

determining a set of selected antennas based on the performance of the candidate antennas having been evaluated;
wherein the evaluating performance comprises, for antenna groups each comprising one or more of the candidate antennas;
transmitting data using the respective candidate antennas of the antenna group, for one antenna group at a time; and
determining a performance related to the transmitted data by evaluating acknowledgement or non-acknowledgement signals, related
to the transmitted data, received from the first mobile communication terminal,

wherein the obtaining the set of candidate antennas comprises selecting one or more antennas receiving an uplink signal from
the first mobile communication terminal, responsive to the uplink signal having a received signal power relative to a threshold
value.

US Pat. No. 9,118,745

REMOTE ACCESS TO A DEVICE IN AN IMS SYSTEM WITH A SECOND MEDIA ACCESS CHANNEL

TELEFONAKTIEBOLAGET L M E...

1. A method for remote access of content in an Internet Multimedia Subsystem (IMS) communication system, the method comprising:
establishing a first IMS session between a user equipment (UE) and an IMS Gateway (IG) with an initial Quality of Service
(QoS) reservation value equal to a first non-zero value;

performing control signaling associated with remote access via the first IMS session;
establishing a second IMS session between the UE and the IG with an initial QoS reservation value equal to zero and preventing
a QoS reservation request from being sent to an access network of the UE, the first IMS session and the second IMS session
being overlapping in time;

modifying the initial QoS reservation value associated with the second IMS session, at the IG, to a second non-zero value
associated with the content; and

transmitting the content via the second IMS session.

US Pat. No. 9,119,122

APPARATUS, METHOD, AND COMPUTER PROGRAM PRODUCT FOR ADJUSTING HANDOVER PARAMETERS

Telefonaktiebolaget L M E...

1. A method for adjusting handover parameters of a processed base station in relation to neighboring base stations in a mobile
communication network, the neighboring base stations each neighboring the processed base station, the method being executed
in a handover parameter determiner that comprises one or more circuits, the method comprising:
obtaining a list of neighboring base stations of the mobile communication network;
determining, for each of the neighboring base stations in the list, whether the neighboring base station is capable of sending
a handover issue report message over any interface to report an issue with an attempted and/or successful handover;

adjusting handover parameters of the processed base station based on the determined capabilities for each of the neighboring
base stations in the list.

US Pat. No. 9,363,314

SYSTEMS AND METHODS FOR EVENT NOTIFICATION FRAMEWORK IN A MACHINE-TO-MACHINE (M2M) CONTEXT

TELEFONAKTIEBOLAGET L M E...

1. A method for managing subscriptions to application events at a communications node in a machine-to-machine (M2M) network,
the method comprising:
receiving from a first M2M device, a first subscription request to an application event;
determining whether a pre-existing subscription exists for the application event; and
as a function of the determination:
if no pre-existing subscription exists for the application event, generating binding information to associate the first M2M
device to the application event, and forwarding the first subscription request toward an M2M application server (AS), and

if a pre-existing subscription exists for the application event, updating binding information for the pre-existing subscription
to further associate the first M2M device to the application event, and refraining from forwarding the first subscription
request toward the M2M AS.

US Pat. No. 9,338,173

METHODS AND APPARATUSES FOR AVOIDING DAMAGE IN NETWORK ATTACKS

Telefonaktiebolaget L M E...

9. A client terminal configured to enable safe communication with a web server, the client terminal comprising:
a processor and a memory, said memory containing code executable by said processor whereby said client terminal is configured
to:

obtain a master key in a bootstrapping session with a bootstrapping server,
obtain a web page from the web server in a session with the web server, wherein the web page comprises a HyperText Markup
Language (HTML) form and a Javascript,

determine a set of context parameters unique to said session,
create a context-specific key based on said context parameters and said application-specific key, and
indicate the created context-specific key to the Javascript that in turn indicates the context-specific key to the web server
to enable verification of the client terminal if a context-specific key determined in the web server matches the context-specific
key created by the client terminal.

US Pat. No. 9,288,717

INTER-RAT SYSTEMS ACCESS NETWORK (AN) LOAD BALANCE AND CONGESTION CONTROL MECHANISM

Telefonaktiebolaget L M E...

1. A method for providing inter-Radio Access Technology (RAT) load-balancing and congestion control when a wireless device
attempts to reselect a primary RAT while receiving wireless communication over a secondary RAT that is different from the
primary RAT, the method comprising performing the following steps using a network entity in a Radio Access Network (RAN) supporting
the secondary RAT:
broadcasting a message to all idle wireless devices receiving wireless communication over the secondary RAT, wherein the message
contains a control function that enables each idle wireless device to activate an inter-RAT load-balancing functionality that
controls reselection of the primary RAT;

providing a common probability threshold value in the broadcast message for all idle wireless devices receiving wireless communication
over the secondary RAT, regardless of whether the idle wireless devices are divided into different groups;

through the control function, remotely configuring each idle wireless device camped on the secondary RAT to activate the inter-RAT
load-balancing functionality; and

allowing only those idle wireless devices to reselect the primary RAT that generate, in response to the activation of the
inter-RAT load-balancing functionality, an individual device-specific random value that is equal to or greater than the common
probability threshold value.

US Pat. No. 9,282,682

HEAT CONDUCTING MOUNTING STRUCTURE, METHOD AND RADIO BASE STATION HOUSING ARRANGEMENT FOR MOUNTING ELECTRONIC MODULES

Telefonaktiebolaget L M E...

1. A method for assembling a radio base station housing arrangement, the arrangement comprising:
a housing,
an electronic module for one of a radio base station, a network server, a workstation, a high-power rectifier, and a circuit
board with an electro-magnetic configuration,

a heat conducting mounting structure for mounting the electronic module, said heat conducting mounting structure comprising:
at least one first surface area of a wall, the first surface area positioned to face a second surface area of the electronic
module;

at least one cavity embedded in the wall, the cavity being placed at a distance from the first surface area;
at least one mount at the first surface area that attaches to the electronic module and secures the electronic module to the
wall, the at least one mount also transfers heat energy from the electronic module to the heat conducting mounting structure,
wherein the at least one mount comprises at least one fixing member and a connection between the at least one mount and the
fixing member is arranged so as to create an immediate connection pressure area between the first and second surface area
for a transfer of the heat energy from the electronic module to the heat conducting mounting structure;

an enclosed loop that extends through the at least one cavity and contains a cooling material that cools the cavity;
the method comprising inserting the heat conducting mounting structure from a top opening of the housing and positioning a
first portion of the loop within the housing and a second portion of the loop outward above the housing.

US Pat. No. 9,271,304

METHOD FOR INCREASING THE ADDRESS SPACE FOR MOBILE TERMINALS IN A WIRELESS NETWORK

Telefonaktiebolaget L M E...

1. A method, in a base station subsystem, of allocating radio resources to a plurality of mobile stations in a wireless communication
system, the method comprising:
the base station subsystem assigning a respective Temporary Block Flow (TBF) to each of said plurality of mobile stations
in a cell;

the base station subsystem assigning to each said TBF a Temporary Flow Identity (TFI), at least one Packet Data Channel (PDCH),
and an Uplink State Flag (USF) if the TBF is an uplink TBF;

the base station subsystem selecting different training sequences from a plurality of available training sequences; and
the base station subsystem assigning a respective different selected training sequence to two or more TBFs wherein said two
or more TBFs share at least one of: the same assigned Temporary Flow Identity (TFI), the same assigned Packet Data Channel
(PDCH), and the same assigned Uplink State Flag (USF) if the TBF is an uplink TBF.

US Pat. No. 9,185,706

ANCHOR CARRIER SELECTION IN MULTI-CARRIER WIRELESS NETWORK

Telefonaktiebolaget L M E...

1. A method for operating a base station of a wireless network, comprising:
making a determination as to whether anchor carrier sets should be updated for one or more user equipments, wherein each anchor
carrier set includes one or more anchor carriers used by the base station to transmit control signals to the one or more user
equipments; and

transmitting to the one or more user equipments a notification of the anchor carrier set update when it is determined that
the anchor carrier sets should be updated,

wherein it is determined that a designated anchor carrier set among the anchor carrier sets is to be changed when a reliability
of a first carrier is greater than a reliability of a second carrier from a perspective of at least one of the one or more
user equipments,

wherein the first carrier is currently not in the designated anchor carrier set and the second carrier is currently in the
designated anchor carrier set, and

wherein it is determined that the designated anchor carrier set is to include only the first carrier where the first carrier
meets a predetermined minimum reliability threshold for the at least one of the one or more user equipments, else it is determined
that the designated anchor carrier set is to include multiple carriers set where the first carrier does not meet the predetermined
minimum reliability threshold.

US Pat. No. 9,088,915

METHOD FOR CONFIGURING THE LINK MAXIMUM TRANSMISSION UNIT (MTU) IN A USER EQUIPMENT (UE)

Telefonaktiebolaget L M E...

13. A method in a User Equipment (UE), said method comprising:
receiving a Non Access Stratum (NAS) message including a bearer setup/modification request or a Radio Resource Control (RRC)
bearer setup/reconfiguration request message from a supporting communication network, said message indicating a link Maximum
Transmission Unit (MTU); and

configuring a link MTU in the UE according to the indicated link MTU.

US Pat. No. 9,078,017

METHOD AND DEVICE FOR BUFFERING DATA FOR MULTIPLEXING

Telefonaktiebolaget L M E...

1. A method for buffering of non-traffic data for a multiplexer arranged for multiplexing the non-traffic data with at least
one traffic data channel, comprising the steps of:
storing received non-traffic data in a buffer;
determining a desired playout rate for non-traffic data in the buffer based on buffer fullness and based on a previous playout
rate associated with previously transmitted non-traffic data;

requesting the desired playout rate for playout of the non-traffic data;
receiving, in response to the request for the desired playout rate, a non-traffic playout rate for playout of the non-traffic
data; and

reading non-traffic data out of the buffer at the non-traffic playout rate for multiplexing with the at least one traffic
data channel.

US Pat. No. 9,356,739

METHOD AND SYSTEM FOR PROVIDING AUTONOMOUS RETRANSMISSIONS IN A WIRELESS COMMUNICATION SYSTEM

Telefonaktiebolaget L M E...

1. A method for application layer delivery of received packets in a wireless telecommunications system utilizing hybrid Automatic
Repeat Request (ARQ) and comprising at least one user equipment (UE) and at least one Base Transceiver Station (BTS) wherein
the UE is in communication with the BTS, the method comprising:
receiving a first frame comprising a data unit, from the UE into the BTS;
receiving subsequent frames before an acknowledge message has been received in the UE, each subsequent frame comprising a
repeat of the data unit in the first frame, from the UE into the BTS; and

initiating a decoding process in the BTS after receiving the frame(s), wherein the decoding process is commenced according
to a precondition,

wherein receiving a repeated frame combines the data unit from the last received frame(s) with the data units of the other
received frame(s), and

wherein the precondition comprises the BTS receiving a remaining data flag, set to a first value, all but a last frame indicating
that each frame is an autonomous transmission and in the last frame the remaining data flag, set to a second value, indicating
no further autonomous transmissions, is received by the BTS.

US Pat. No. 9,351,160

BASE STATION AND METHOD IN RELAY NODE MOBILITY

Telefonaktiebolaget L M E...

1. A base station, comprising:
a first transceiver configured to receive a Next Hop Chaining Counter in use, NCCin_use, sent from a source base station;

a security key synchronization determining unit configured to determine that a security key synchronization criteria as follows
is met:

NCClatest?NCCin_use>Threshold,

wherein NCClatest denotes a Next Hop Chaining Counter corresponding to a last Next Hop (NH) received from an evolved packet core (EPC) for a
User Equipment (UE), and Threshold is a predetermined threshold;

a second transceiver configured to send a security key update request to a relay node serving the UE, and to receive a security
key update response from the relay node serving the UE; and

a security key updater configured to update the NCCin_use as the NCClatest.

US Pat. No. 9,300,460

METHODS AND APPARATUS FOR MULTIPLE CONNECTIVITY IN A TDD SYSTEM

Telefonaktiebolaget L M E...

1. A method implemented in a wireless communication system comprising points that have time division duplex, TDD, configurations,
wherein the method is implemented by an apparatus that comprises a particular wireless communication device in the system
or comprises a base station as one of the points, wherein the method comprises:
obtaining, by the apparatus, information indicating the TDD configuration of each of multiple points to which the particular
wireless communication device is simultaneously connected, the particular device being incapable of simultaneous uplink and
downlink communication;

determining, by the apparatus and based on the obtained information, that one or more time-domain radio resources used by
the multiple points are conflicting resources defined by the TDD configuration of one or more of the multiple points as being
uplink resources and defined by the TDD configuration of one or more others of the multiple points as being downlink resources;
and

resolving, by the apparatus and for the particular device, each of the one or more conflicting resources as either an uplink
resource to be used by the device, a downlink resource to be used by the device, or a resource not to be used by the device,
based on one or more rules for optimizing use of conflicting resources, wherein at least one of the one or more rules directly
or indirectly specifies that each conflicting resource is to be resolved depending on a comparison of one or more attributes
or characteristics of any downlink information contending for transport over that resource with one or more attributes or
characteristics of any uplink information also contending for transport over that resource.

US Pat. No. 9,223,380

SYSTEM AND METHOD FOR POWER SAVING MODES IN HIGH SPEED SERIAL INTERFACE COMMUNICATION SYSTEMS UTILIZING SELECTIVE BYTE SYNCHRONIZATION

TELEFONAKTIEBOLAGET L M E...

1. A method for minimizing power consumption in a circuit that uses a digital high-speed serial communications link between
two digital high-speed serial communications enabled devices, comprising:
maintaining comma code matching in an off-state for a period of time during which the serial communications link is active
and data is received over the active serial communications link; and

transitioning comma code matching from an off-state to an on-state when an operational change occurs in the serial communications
link.

US Pat. No. 9,282,483

NETWORK RESOURCE MODIFICATION

Telefonaktiebolaget L M E...

1. A method for providing traffic flow template (TFT) filters with policy and charging control rule precedence in a network,
the method being performed by a gateway comprising a policy and charging enforcement function (PCEF), the method comprising:
receiving a request transmitted by a wireless device to add or modify at least one TFT filter with a requested TFT filter
precedence value for a particular bearer associated with the wireless device;

determining a policy and charging control (PCC) rule precedence range corresponding to said TFT filter; and
transmitting the determined PCC rule precedence range to a policy and charging rules function (PCRF).

US Pat. No. 9,265,025

METHOD AND ARRANGEMENT IN A TELECOMMUNICATION SYSTEM

Telefonaktiebolaget L M E...

1. A method implemented by a mobile station that is configured for use in a GSM (Global System for Mobile Communications)
network and that belongs to a paging group, the method comprising:
monitoring, by the mobile station, a paging channel of the GSM network transmitted for said paging group with a monitoring
interval that comprises a defined number of GSM superframes or GSM hyperframes of a common control channel on which the paging
channel is mapped;

when registering with the GSM network, sending classification information to or receiving classification information from
a node in the GSM network, the classification information directly or indirectly classifying the mobile station as a mobile
station that monitors the paging channel of a paging group with said monitoring interval; and

after registering with the GSM network, renegotiating the length of said monitoring interval.

US Pat. No. 9,191,331

DELAY-BASED TRAFFIC RATE CONTROL IN NETWORKS WITH CENTRAL CONTROLLERS

TELEFONAKTIEBOLAGET L M E...

1. A method performed by a controller in a split-architecture network, the controller coupled to a plurality of switches implementing
the data plane of the split-architecture network, wherein the controller monitors congestion of traffic groups across the
split-architecture network and executes the method for providing delay based data rate control to alleviate congestion of
the traffic groups across the split-architecture network, where each traffic group is a flow of data packets to be handled
in a same manner, the data packets of each traffic group having a shared ingress switch and egress switch from the plurality
of switches for the split-architecture network, the method comprising the steps of:
configuring an ingress switch and egress switch for each traffic group to collect delay measurement data for data packets
of each traffic group as they arrive at the ingress switch and egress switch;

receiving the delay measurement data from the ingress switch and egress switch of each traffic group;
checking whether a minimum data packet delay across the split-architecture network for any traffic group exceeds a defined
threshold value; and

identifying at least one traffic group in the split-architecture network to discard, in response to the defined threshold
value being exceeded.

US Pat. No. 9,185,624

ACTIVATION TIME FOR TARGET BASED HIGH SPEED SERVING CELL CHANGE

Telefonaktiebolaget L M E...

1. A method in a user equipment for setting up an activation time of a high speed downlink shared channel cell change of the
user equipment from a first cell to a second cell in a wireless communications network, the method comprising:
receiving a timing offset from the wireless communications network through an active set update procedure;
calculating a high speed downlink shared channel cell change activation time based on the received timing offset, the activation
time indicating when the user equipment can perform a cell change from the first cell to the second cell;

transmitting the calculated activation time from the user equipment to the wireless communications network;
receiving an approval of the downlink shared channel high speed cell change from the wireless communications network; and
performing a cell change from the first cell to the second cell at the activation time if the approval has been received.

US Pat. No. 9,083,434

SYSTEM AND METHOD FOR OPERATING A REPEATER

Telefonaktiebolaget L M E...

1. A method of operating a repeater for wireless communication, the method comprising:
broadcasting, from a repeater, a pilot signal in a service area associated with the repeater, wherein the pilot signal carries
a scrambling code that permits mobile terminals to decode information transmitted by the repeater;

receiving a request to initiate communication from a mobile terminal that has received the pilot signal;
in response to receiving the request, establishing a communication link with the mobile terminal;
receiving, at a first antenna of the repeater, data transmitted wirelessly by the mobile terminal; and
transmitting, over a second antenna of the repeater, the received data to a base station.

US Pat. No. 9,065,409

METHOD AND ARRANGEMENT FOR PROCESSING OF AUDIO SIGNALS

TELEFONAKTIEBOLAGET L M E...

1. A method in an audio handling entity for damping of dominant frequencies in a time segment of an audio signal, the method
comprising:
obtaining a time segment of an audio signal;
deriving an estimate of the spectral density of the time segment;
deriving an approximation of the estimated spectral density by smoothing the estimate;
deriving a frequency mask by inverting the approximation of the estimated spectral density, the output of the inverting producing
a frequency domain signal as the frequency mask; and

damping frequencies comprised in the audio time segment based on the frequency mask.

US Pat. No. 9,059,998

MEDIA PLANE OPTIMIZATION FOR VOICE OVER LTE

TELEFONAKTIEBOLAGET L M E...

1. A method of defining an optimized media path, the method being implemented by a proxy session controller and comprising:
registering, for a plurality of realms, a plurality of Border Gateway Functions (BGFs) residing on a plurality of network
nodes, said registering including registering a preferred BGF colocated with a data network gateway on a single network node
for a selected set of the realms;

receiving a request message from a user terminal; and
if a realm associated with the request message is included in the selected set of realms, assigning the preferred BGF to the
user terminal to provide an optimized media path that includes the user terminal, the preferred BGF, and the data network
gateway, wherein the proxy session controller comprises a Proxy Call Session Control Function (P-CSCF) network node and the
data network gateway comprises a Packet Data Network Gateway (PDN-GW).

US Pat. No. 9,425,914

METHOD AND DEVICE FOR RELAY DEPLOYMENT IN A TDD COMMUNICATION NETWORK

Telefonaktiebolaget L M E...

1. A method for relay deployment in a Time Division Duplex (TDD) communication network, the method comprising:
configuring a first base station to operate as a donor base station;
configuring a second base station to operate as a relay node, wherein a first sector of the second base station having a first
antenna is configured as a User Equipment (UE) part of the relay node and a second sector of the second base station having
a second antenna is configured as a base station part of the relay node, wherein while the first sector is operating as the
UE part the first sector is not operating as the base station part and wherein while the second sector is operating as the
base station part the second sector is not operating as the UE part; and

allocating wireless resources for backhaul link between the first base station and the second base station using the first
sector of the second base station and for access link between the second base station and a UE using the second sector of
the second base station.

US Pat. No. 9,363,765

METHODS AND APPARATUS FOR ADJUSTING MAXIMUM OUTPUT POWER LEVEL

Telefonaktiebolaget L M E...

1. A method, implemented by a wireless device in a wireless communication system, for adjusting a maximum output power level
of the wireless device, the method comprising:
obtaining an indication indicating a current level of criticality in the system in which a network node serving the wireless
device is operating;

adjusting the maximum output power level based on the current level of criticality indicated by the obtained indication; and
transmitting a signal to the network node serving the wireless device at a transmit power equal to or below the adjusted maximum
output power level.

US Pat. No. 9,363,802

PARALLEL SCHEDULING IN A CELLULAR COMMUNICATIONS SYSTEM

Telefonaktiebolaget L M E...

1. A method for scheduling uplink transmissions for a plurality of user equipment devices, UEs, that are serviced by a network
node having a coverage area comprising a plurality of sectors, the method comprising:
initiating, by the network node, a plurality of schedulers in parallel, each scheduler of the plurality of schedulers corresponding
to a different sector of the plurality of sectors; and

scheduling in parallel, by each scheduler, at least some UEs that are associated with the corresponding different sector.

US Pat. No. 9,338,625

GEOGRAPHICALLY REDUNDANT AND MULTIPLE EATF NODES

TELEFONAKTIEBOLAGET L M E...

1. A method of operating a first emergency access transfer function (EATF) node, the method comprising:
receiving a request for transferring an emergency call session (ECS) of a user equipment (UE) from a first access network
to a second access network;

transferring the ECS from the first access network to the second access network when the ECS is known to the first EATF node;
selecting a second EATF node from a set of one or more EATF nodes when the ECS is unknown to the first EATF node; and
forwarding the request for transferring the ECS to the second EATF node.

US Pat. No. 9,301,171

METHODS, TEST SYSTEMS AND ARRANGEMENTS FOR VERIFYING COMPLIANCE WITH REQUIREMENT SPECIFICATIONS

Telefonaktiebolaget L M E...

1. A method for verifying compliance of a communication device with one or more requirement specifications, the method comprising:
establishing a link between a test system and the communication device, wherein the establishing comprises configuring two
or more bearers, one or more control channels, and one or more uplink packet filters;

closing a test loop comprising the test system and the communication device, wherein the closing comprises activating a test
loop function of the communication device;

sending units of data associated with different service data flows in a downlink of the test loop from the test system to
the communication device, each of the units of data including information representing the service data flow associated with
the unit of data;

receiving the units of data at the communication device;
transferring the units of data to an uplink transmission arrangement of the communication device; and
verifying, at the test system, that each of the units of data is transmitted, by the communication device in an uplink of
the test loop to the test system, on a correct bearer corresponding to the service data flow associated with the respective
unit of data according to the one or more uplink packet filters.

US Pat. No. 9,286,698

METHOD AND DEVICE FOR STORING A COMPRESSION RATIO INDICATION IN A PIXEL VALUE BUFFER IN TILE ENCODING

Telefonaktiebolaget L M E...

1. A method of encoding a tile of pixels each having a respective pixel value, said method comprising:
variable length encoding multiple blocks of pixels constituting respective subsets of said tile to form multiple sequences
of symbols as encoded representations of pixel values of said pixels in said multiple blocks;

determining, for each set of at least one block of said multiple blocks, a size indication representative of a compression
ratio of a combined sequence corresponding to the at least one sequence of symbols obtained by variable length encoding said
at least one block of said set;

arranging said combined sequences in a pixel value buffer in a buffer memory; and
arranging, for each set, a size indication determined for said set to precede, according to a reading order of said pixel
value buffer, said combined sequence in said pixel value buffer in said buffer memory.

US Pat. No. 9,220,071

SLOW CONGESTION CONTROL

Telefonaktiebolaget L M E...

1. A method for power control stabilization in the uplink of a cellular Code Division Multiple Access (CDMA) communication
system applying a fast inner loop power control, said method comprises the steps of: determining a radio frame based rise
over thermal (RoT) value for a cell in said cellular communication system; determining a radio frame based signal to interference
and noise ratio (SINR) for each User Equipment (UE) in a subset of UEs being present in said cell; comparing said RoT value
with a first threshold; comparing said frame based SINRs with a second threshold for each of said UEs in said subset; breaking
said fast inner loop power control for a UE in dependence of a result of said step of comparing said RoT value with a first
threshold and a result of said step of comparing said frame based SINRs with a second threshold; said step of breaking said
fast inner loop power control in turn comprising: commanding a first number of consecutive power down commands to UEs having
said frame based SINR above said second threshold as response to a RoT value above said first threshold; and toggling power
control commands for said subset of UEs during a second number of radio frames as response to a RoT value above said first
threshold.

US Pat. No. 9,214,899

POWER AMPLIFIER ASSEMBLY COMPRISING SUSPENDED STRIP LINES

TELEFONAKTIEBOLAGET L M E...

1. A power amplifier assembly comprising:
a radio frequency multi-order power amplifier comprising a circuit board;
a grounding structure connected to the radio frequency multi-order power amplifier and comprising a recess, wherein the recess
is formed by a continuous end wall and one or more pairs of opposing side walls of the grounding structure and the recess
has an opening opposing the continuous end wall;

a combining network connected to a plurality of outputs of the radio frequency multi-order power amplifier, the combining
network comprising:

a plurality of input connection points, wherein each of the plurality of input connection points is connected to a respective
output of the plurality of outputs of the radio frequency multi-order power amplifier;

an output connection point; and
a conductor arrangement comprising a plurality of conductive paths arranged between the plurality of input connection points
and the output connection point;

wherein at least one of the plurality of conductive paths is at least partly formed by a suspended conductor positioned in
the recess of the grounding structure.

US Pat. No. 9,130,701

METHOD AND ARRANGEMENT FOR NETWORK-CODED BIDIRECTIONAL RELAYING

TELEFONAKTIEBOLAGET L M E...

1. A method in a network coding node for network coding in a communication system, wherein the network coding node is configured
for multi-directional communication with at least a first and a second network decoding node, wherein the uplink channel between
the first network decoding node and said network coding node, and between the second network decoding node and said network
coding node, has a first and a second Channel Quality Measure (CQM) respectively, and the downlink channel between the network
coding node and the first network decoding node, and between said network coding node and the second network decoding node,
has a fourth and a third CQM, respectively, the method comprising:
receiving first data coded and modulated based on the first CQM, and second data coded and modulated based on the second CQM;
comparing the first CQM with the third CQM or with the minimum of the third and the fourth CQM, and comparing the second CQM
with the fourth CQM or with the minimum of the third and the fourth CQM;

processing the received decoded first and second data based on the comparisons, wherein the processing comprises at least
one of segmentation of the first data, segmentation of the second data, concatenation of the first data and first backlog
data, concatenation of the second data and second backlog data, and zero-padding to first or second data;

obtaining a network coded data by performing a network coding of the processed first data with the processed second data,
wherein the network coding has a property that the processed second data can be obtained from the processed first data and
the network coded data, and that the processed first data can be obtained from the processed second data and the network coded
data; and

sending the obtained network coded data to the first and second network decoding nodes and information about the processing
of the first and the second data to the first and the second network decoding nodes, respectively.

US Pat. No. 9,088,332

MITIGATION OF INTERFERENCE FROM A MOBILE RELAY NODE TO HETEROGENEOUS NETWORKS

TELEFONAKTIEBOLAGET L M E...

1. A method, stored in a memory and executing on a processor, for mitigating interference associated with transmissions on
radio access links and wireless backhaul links of mobile relay nodes, said method comprising:
applying fractional frequency reuse between the radio access links and the wireless backhaul links associated with said mobile
relay nodes; and

applying power controlled targeted beamforming to the wireless backhaul links associated with the mobile relay nodes.

US Pat. No. 9,049,052

SYSTEM AND METHOD OF COMMUNICATING A PRIORITY INDICATION IN A CALL CONTROL/BEARER CONTROL TELECOMMUNICATION SYSTEM

Telefonaktiebolaget L M E...

1. In a separated call control, bearer control telecommunications network, a method of communicating a call control level
priority indication between a first telecommunications node and a second telecommunications node via the bearer network including
the steps of:
determining a call control level priority indication for a call request;
assigning a bearer level priority indication to a priority indication field in a bearer network protocol message for the call
request in accordance with a priority level mechanism of a bearer network protocol based on the determined call control level
priority indication; and

transmitting the bearer network protocol message via the bearer network from the first telecommunication node towards the
second telecommunication node.

US Pat. No. 9,332,472

METHOD AND APPARATUS TO POSTPONE UE FROM HANDOVER TO AN OVERLOADED RADIO NETWORK FROM ANOTHER RADIO NETWORK

Telefonaktiebolaget L M E...

1. A method of a node of a secondary Radio Access Technology (RAT) that is in communication with a primary node of a primary
RAT and User Equipments (UEs) that are able to communicate by way of the primary and secondary RATs, the method comprising
the steps of:
receiving at a network interface unit of the node of the secondary RAT a message that indicates that the primary RAT is in
an overload condition, wherein the receiving includes receiving from a UE of the UEs an uplink message that the primary RAT
is in an overload condition;

forming with a processing unit of the node UE messages for the UEs not to try to communicate with the primary RAT; and
sending the messages through the network interface unit of the node to the UEs.

US Pat. No. 9,307,426

METHOD AND APPARATUS FOR TESTING MOBILE TERMINALS IN AN OFDM SYSTEM

TELEFONAKTIEBOLAGET L M E...

1. A method for testing Orthogonal Frequency-Division Multiplexing (OFDM) mobile terminals, the method comprising:
splitting radio resources available in a cell of an OFDM system into contiguous unities in the frequency domain;
wherein the radio resources of one or more of the contiguous unities in the center of an available cell bandwidth are allocated
to one or more mobile terminals being tested; and

wherein the radio resources of at least one of the contiguous unities at the edges of said cell bandwidth are allocated to
virtual mobile terminals.

US Pat. No. 9,300,566

TOPOLOGY CHANGE IN A NETWORK WITH RING TOPOLOGY

Telefonaktiebolaget L M E...

1. A method for controlling, by a central control entity, a topology change in a network having a ring topology with a plurality
of ring nodes via which data packets of various data transfers are transmitted to their corresponding destination nodes, the
method comprising:
for a data transfer to a destination node, configuring each ring node, using one or more switching instructions, with both
a first output port for the data transfer to the corresponding destination node and an alternative output port for the data
transfer to the destination node;

receiving information about a topology change of the ring topology of the network;
determining which of the data transfers are affected by the topology change, based upon the received information about the
topology change;

determining, for each of the affected data transfers, a new path through the network;
determining new switching instructions for ring nodes that are affected by the new paths determined for the affected data
transfers; and

transmitting the new switching instructions to the affected ring nodes, wherein the determined new switching instructions
contain information about a new first output port that is a preferred output port for said data transfer to said destination
node, taking into account the topology change.

US Pat. No. 9,264,133

NETWORK TRAFFIC MONITORING APPARATUS FOR MONITORING NETWORK TRAFFIC ON A NETWORK PATH AND A METHOD OF MONITORING NETWORK TRAFFIC ON A NETWORK PATH

Telefonaktiebolaget L M E...

1. A network traffic monitoring apparatus for monitoring network traffic on a network path, the apparatus comprising:
a first path, arranged to receive a portion of the network traffic from the network path;
a monitoring port, arranged to monitor the portion of network traffic;
a switch coupled between the first path and the monitoring port, the switch being switchable between a first state in which
the first path is not communicatively coupled with the monitoring port, and a second state in which the first path is communicatively
coupled with the monitoring port for monitoring of the portion of network traffic;

an actuator, arranged to switch the switch from the first state to the second state in response to a user operation; and
a switch state indicator, arranged to output a signal to a monitoring device indicative of at least one state of the switch,
wherein the at least one state of the switch is indicative of whether a monitoring event is taking place.

US Pat. No. 9,215,053

MAPPING USER DATA ONTO A TIME-FREQUENCY RESOURCE GRID IN A COORDINATED MULTI-POINT WIRELESS COMMUNICATION SYSTEM

TELEFONAKTIEBOLAGET L M E...

1. A method in a wireless terminal for receiving user data in a wireless communication system enabling coordinated multipoint
transmission of the user data on a Physical Downlink Shared Channel (PDSCH) from a first cell site serving the wireless terminal
and a second cell site neighboring the first cell site, wherein the first cell site maps control signals and user data to
a plurality of time-frequency resources according to a first mapping pattern and the second cell site maps control signals
and user data to the plurality of time-frequency resources according to a second mapping pattern, the method comprising: extracting
user data, according to the first mapping pattern, from time-frequency resources of a first transmission for the wireless
terminal transmitted from the first cell site; detecting a control element transmitted by the first cell site, the control
element indicating that user data associated with the control element is mapped to the time-frequency resources according
to the second mapping pattern, wherein the control element comprises at least one of reference-signal frequency shift information
of the second cell site and a number of Orthogonal Frequency Division Multiplexing (OFDM) symbols explicitly signaled for
a control region of the second cell site; and responsive to said detecting, extracting user data according to the second mapping
pattern from time-frequency resources of a second transmission for the wireless terminal transmitted from the second cell
site.

US Pat. No. 9,124,329

METHODS OF DETERMINING RANK INFORMATION AND RELATED COMMUNICATIONS DEVICES AND SYSTEMS

Telefonaktiebolaget L M E...

10. A wireless terminal configured to communicate with a base station over a wireless channel, the wireless terminal comprising:
a processor configured to determine whether the wireless terminal is in an edge area or an interior area of coverage of the
base station, and configured to select a transmit diversity communications rank indicator that specifies use of a diversity
communications mode over the wireless channel between the wireless terminal and the base station responsive to determining
that the wireless terminal is in an edge area of coverage of the base station;

wherein the processor is further configured to select one of a plurality of rank indicators responsive to determining that
the wireless terminal is in an interior area of coverage of the base station, wherein the plurality of rank indicators includes
the transmit diversity communications rank indicator and a multiplexed communications rank indicator to select multiplexed
communications over the wireless channel between the wireless terminal and the base station; and

wherein the base station includes a plurality of multiple-input/multiple-output transmit antennas, and wherein the plurality
of rank indicators includes the transmit diversity communications rank indicator to select multiple-input/multiple-output
diversity communications from the plurality of transmit antennas of the base station to the wireless terminal and the multiplexed
communications rank indicator to select multiple-input/multiple-output multiplexed communications from the plurality of transmit
antennas of the base station to the wireless terminal.

US Pat. No. 9,106,541

TOKEN-BASED CORRELATION OF CONTROL SESSIONS FOR POLICY AND CHARGING CONTROL OF A DATA SESSION THROUGH A NAT

Telefonaktiebolaget L M E...

1. A method of handling packets sent across a packet switched network comprising a policy server acting as a policy and charging
rules function, the method comprising:
providing a first set of policy rules at said policy server, and installing the policy rules from the policy server into an
access gateway over a first service control session, the policy rules causing packets belonging to a given IP session to be
diverted by the access gateway to a network address translator;

at the network address translator, translating an IP source address of said packets into a translated IP source address identifying
a deep packet inspection node, and forwarding the packets to the deep packet inspection node configured to perform deep packet
inspection of IP packets;

providing a second set of policy rules at said policy server, and installing the second set of policy rules from the policy
server into said deep packet inspection node over a second service control session, the second set of policy rules being applied
by the deep packet inspection node to said packets upon receipt,

allocating a token to said IP session that uniquely identifies the session, and providing the token to the policy server and
the access gateway;

sending said token from the access gateway to the deep packet inspection node via said network address translator;
sending said token from the deep packet inspection node to the policy server; and
at the policy server, using said token to associate said first and second service control sessions.

US Pat. No. 9,872,391

CAPACITOR STRUCTURE AND CAPACITOR USING THE SAME

Telefonaktiebolaget L M E...

1. A capacitor structure, comprising:
a first plurality of metal plates that are vertically disposed with their surfaces being parallel to each other;
a second plurality of metal plates that are interdigitated with the first plurality of metal plates with their surfaces being
parallel to the surfaces of the first plurality of metal plates;

a first port electrically connected to each of the first plurality of metal plates through a first plurality of port connecting
strips and via a first port via interconnection; and,

a second port electrically connected to each of the second plurality of metal plates through a second plurality of port connecting
strips and via a second port via interconnection;

wherein the first plurality of metal plates is connected together at an end of each of the first plurality of metal plates
opposite to an end at which the first port is connected;

the second plurality of metal plates is connected together at an end of each of the second plurality of metal plates opposite
to an end at which the second port is connected; and,

a direction in which the first plurality of port connecting strips extends is in a certain angle with the direction in which
the second plurality of port connecting strips extends.

US Pat. No. 9,497,745

VIRTUAL MACRO CELLS

Telefonaktiebolaget L M E...

1. A method of operation of a micro base station in a heterogeneous cellular communications network, comprising:
providing service to a low mobility user equipment using one or more first resources allocated to low mobility user equipments
located in a micro cell served by the micro base station; and

cooperating with one or more additional micro base stations to provide service to a high mobility user equipment using one
or more second resources allocated to high mobility user equipments located in a virtual macro cell served by the micro base
station and the one or more additional micro base stations.

US Pat. No. 9,294,344

SHARED RISK GROUP HANDLING WITHIN A MEDIA GATEWAY

Telefonaktiebolaget L M E...

1. A method for controlling a media gateway by a media gateway controller, comprising:
identifying termination resources that share a common risk of failure and defining those termination resources as a shared
risk group; and

distinguishing between different shared risk groups using a shared risk group package when establishing a primary link and
a secondary link in the media gateway,

wherein the shared risk group package defines properties used by the media gateway controller to distinguish between the different
shared risk groups when establishing the multiple connections in the media gateway, the shared risk group package defining:

an include shared risk group property (“shrisk/incl”) that specifies whether one of the shared risk groups is to be used or
not to be used to establish one of the connections in the media gateway;

a shared risk group identity request property (“shrisk/srgir”) that specifies an identity of one of the shared risk groups;
and

an assigned shared risk group identity property (“shrisk/asrgi”) that specifies an identity of one of the shared risk groups
that has been allocated by the media gateway;

wherein the media gateway controller performs the following steps:
sending, to the media gateway, a command including shrisk/incl=on and shrisk/srgir=x that specifies a particular shared risk
group x to be used when the media gateway establishes the primary link; and

sending, to the media gateway, a command including shrisk/incl=off and shrisk/srgir=x that specifies that the media gateway
is to establish the secondary link by using another shared risk group besides the shared risk group x being used by the primary
link.

US Pat. No. 9,271,313

SERVICE FREQUENCY BASED 3GDT

TELEFONAKTIEBOLAGET L M E...

1. A method for reducing a signaling load of a General Packet Radio Service (GPRS) core network system, wherein the GPRS core
network system comprises a first User Equipment (UE); a first Radio Network Controller (RNC); a first Serving GPRS Support
Node (SGSN); a first core network node, the first core network node being either a Gateway GPRS Support Node/Packet Data Network
Gateway (GGSN/PGW), or a Serving Gateway (SGW); and a first Internet Protocol (IP) network, the method comprising:
receiving by the first SGSN one or more service requests from the first UE;
measuring by the first SGSN the number of service requests from the first UE to the first SGSN in a predetermined measurement
interval of time;

determining by the first SGSN whether the measured number of service requests in the predetermined measurement interval of
time exceeds a threshold value;

setting up a 3rd Generation Direct Tunnel (3GDT) communication if a configuration of the first SGSN allows the setup of the
3GDT communication and the number of service requests from the first UE to the first SGSN does not exceed the threshold value;
and

setting up a non-3GDT communication for the GPRS core network system if the number of service requests from the first UE to
the first SGSN exceeds the threshold value,

wherein the first UE is arranged to be in communication with the first RNC,
wherein the first RNC is arranged to be in communication with the first SGSN for non-3GDT communication of the GPRS core network
system or the first core network node for 3GDT communication of the GPRS core network system,

wherein the first SGSN is arranged to be in communication with the first core network node, and
wherein the first core network node is arranged to be in contact with the first IP network.

US Pat. No. 9,264,244

MULTICASTING IN A PROVIDER BACKBONE BRIDGE NETWORK

Telefonaktiebolaget L M E...

1. A method of propagating multicast frames within a Provider Backbone Bridge Network (PBBN), wherein the multicast frames
are received by a Customer Network Port or Provider Network Port on an I-component of a Provider Backbone Bridge (PBB) and
are forwarded to a Virtual Instance Port (VIP) on the I-component, said method comprising the steps of:
when an EnableCustomerMulticast parameter of the VIP on the I-component is set to a predefined value and the received frames
are multicast frames:

encapsulating the received multicast frames with a Backbone Destination Address (B-DA), wherein the B-DA is set equal to an
original Customer Destination Address (C-DA) of the received multicast frames; and

propagating the encapsulated frames to the C-DA; and
when the EnableCustomerMulticast parameter is not set to the predefined value and the received frames are multicast frames,
the method further comprises:

encapsulating the received multicast frames with the B-DA set equal to a Default Backbone Destination address; and
propagating the encapsulated frames to the Default Backbone Destination address.

US Pat. No. 9,258,927

HEAT TRANSFER ARRANGEMENT AND ELECTRONIC HOUSING COMPRISING A HEAT TRANSFER ARRANGEMENT

Telefonaktiebolaget L M E...

1. A heat transfer arrangement for heat exchange between an inside of an electronic component housing and an ambient environment,
the heat transfer arrangement comprising:
a refrigerant circuit, comprising an evaporator adapted to be arranged inside said electronic component housing, a condenser
adapted to be arranged outside said electronic component housing, and conduits connecting said evaporator and said condenser,
wherein a refrigerant is present in said refrigerant circuit and in use is arranged to self-circulate in a refrigerant flow
in said refrigerant circuit by evaporating in said evaporator, rising as a gas through a first conduit of said conduits, condensing
in said condenser and flowing through a second conduit of said conduits to said evaporator; and

a flow control device comprising a movable member adapted to control said refrigerant flow, wherein said movable member affects
a through flow area of one of said conduits, wherein said movable member is adapted to move in response to a pressure change
inside said refrigerant circuit by being affected from a first side by a refrigerant pressure inside said refrigerant circuit
and from a second side by a spring force such that said refrigerant flow is changed;

wherein said spring force is generated by a gas enclosed in a chamber and wherein said chamber is in thermal communication
with an inside of said electronic component housing.

US Pat. No. 9,253,655

LOW LATENCY CHANNEL ESTIMATION FOR DOWNLINK MIMO

Telefonaktiebolaget L M E...

10. A user equipment configured to decode a reference signal which is received in a code division multiplexing (CDM) group,
the CDM group comprising at least two CDM subgroups, each CDM subgroup being received on a different subcarrier, each CDM
subgroup comprising resource elements in a first time slot and a second time slot subsequent to the first time slot, the user
equipment comprising:
a communication circuit configured to:
receive a first set of resource elements for each of the at least two CDM subgroups in the first time slot; and
receive a second set of resource elements for each of the at least two CDM subgroups in the second time slot;
a signal processing circuit configured to:
determine virtual variables of the first time slot by applying orthogonal cover codes applicable in the first time slot to
the corresponding first set of resource elements of each of the at least two CDM subgroups; and

determine virtual variables of the second time slot by applying orthogonal cover codes applicable in the second time slot
to the corresponding second set of resource elements of each of the at least two CDM subgroups;

a frequency domain filter circuit configured to:
determine virtual channel samples of the first time slot by applying a predetermined weighting matrix to the virtual variables
of the first time slot; and

determine virtual channel samples of the second time slot by applying the predetermined weighting matrix to the virtual variables
of the second time slot;

a time domain filter circuit configured to determine channel estimates of the at least two CDM subgroups based on the virtual
channel samples of both the first and second time slots.

US Pat. No. 9,246,872

METHODS AND ARRANGEMENTS FOR ENABLING DATA TRANSMISSION BETWEEN A MOBILE DEVICE AND A STATIC DESTINATION ADDRESS

Telefonaktiebolaget L M E...

1. A method in a network node of an operator network for enabling data transmission between a mobile device and a static destination
address, wherein the network node has access to a static first mapping between a subscriber identity associated with the mobile
device and the static destination address to which data from the mobile device should be sent, the method comprising providing
a gateway with the static destination address to which the data from the mobile device should be sent, by using a dynamic
second mapping between the subscriber identity associated with the mobile device and a temporary IP address of the mobile
device and said first mapping such that the gateway can direct the data, identified to be received from the temporary IP-address
of the mobile device, to the provided static destination address.

US Pat. No. 9,240,849

APPARATUS AND METHOD FOR DETECTING FAULTY ANTENNAS

Telefonaktiebolaget L M E...

1. An apparatus for detecting a faulty antenna among a plurality of antennas contained in a communication device, comprising:
a measurer configured to measure signal strengths of signals obtained from each antenna of the plurality of antennas;
a calculator configured to calculate differences between each two of the measured signal strengths;
a first comparator configured to compare each of the calculated differences with a first predetermined threshold value; and
a first decider configured to decide, among the plurality of antennas, an antenna to be faulty on the basis of a respective
result of the comparison;

wherein the first decider comprises:
a counter configured to count a number of differences related to each of the measured signal strengths which are greater than
the first predetermined threshold value;

a second comparator configured to compare the number of differences with a second predetermined threshold value; and
a second decider configured to decide, among the plurality of antennas, an antenna related to the number of differences which
is greater than the second predetermined threshold value to be faulty.

US Pat. No. 9,173,202

METHOD AND ARRANGEMENT IN A WIRELESS COMMUNICATION SYSTEM

Telefonaktiebolaget L M E...

1. A method in a user equipment for transmitting scheduling requests to a base station, the user equipment is configured to
transmit scheduling requests to the base station only at certain predetermined scheduling request opportunities, the method
comprising:
triggering a scheduling request transmission;
transmitting, on a Physical Uplink Control CHannel (PUCCH) resource, a scheduling request to the base station at the next
occurring scheduling request opportunity as a response to the triggering;

receiving, from the base station, a factor k;
calculating a length of time for a scheduling request prohibiting timer based on the factor k received from the base station;
starting the scheduling request prohibiting timer, comprised in the user equipment, when the scheduling request is transmitted
to the base station; and

prohibiting any further scheduling request retransmission at future scheduling request opportunities while the scheduling
request prohibiting timer is running;

wherein the scheduling request prohibiting timer is configured to a scheduling request prohibiting timer length which is equal
to the time between two scheduling request opportunities multiplied with the factor k, such that:

scheduling request prohibiting timer length=k*(t2?t1).

US Pat. No. 9,167,541

METHOD AND ARRANGEMENT FOR TRANSMIT POWER CONTROL OF MULTIPLE DOWNLINK CARRIERS

Telefonaktiebolaget L M E...

1. A method in a user equipment of controlling downlink power in a multi-carrier communication network system comprising communication
network nodes communicating with a plurality of user equipments on uplink carriers and downlink carriers over a radio interface,
the method comprising:
sending downlink transmit power control commands on at least one uplink control channel, the downlink transmit power control
commands comprising information for individual power control for a multiple of downlink carriers.

US Pat. No. 9,148,354

APPARATUS AND METHOD FOR MONITORING OF CONNECTIVITY SERVICES

Telefonaktiebolaget L M E...

1. An apparatus (100) configured to monitor a connectivity service in a plurality of transport network types, the apparatus (100) comprising:
an obtaining unit (120) configured to:

request and obtain, with regard to a type of the transport network, for said connectivity service, a Service Definition and
Measurement Points, MPs, said Service Definition comprising a set of measurable parameters;

request and obtain a mapping of each of said measurable parameters to Operation Administration and Maintenance functions,
OAM-functions, of the connectivity service, the OAM-functions corresponding to a protocol which is dependent on the transport
network type;

request and obtain a mapping of said measurable parameters and OAM-functions as to which at least one tool to use for measuring
said measurable parameters of said connectivity service;

request and obtain said Service Definition and Measurement Points from a Service Database (150, 151, 152, 153); and

request and obtain said mapping of measurable parameters to functions from a Function Database (150, 151, 152, 153);

said apparatus (100) being configured to request and obtain said mapping of parameters and functions to the at least one tool to use for measuring
from a Tool Database (150, 151, 152, 153); and

a measuring unit (130) configured to perform measurement of said measurable parameters between said Measurement Points using said at least one
tool.

US Pat. No. 9,148,451

PROVIDING CIRCUIT SWITCHED CALLS AND SERVICES OVER A BROADBAND NETWORK

TELEFONAKTIEBOLAGET L M E...

1. A method implemented by a terminal device connected to a switching server via an Internet Protocol Multimedia Subsystem
(IMS) for being provided one or both of circuit-switched calls and services over a packet-switched session, wherein the switching
server comprises an access call control entity configured to handle circuit-switched signaling messages for providing one
or both of circuit-switched calls and services over circuit-switched connections to terminal devices connected to the switching
server via one or more circuit-switched access systems, the method comprising:
using circuit-switched signaling messages at a service-providing entity of the terminal device for one or both of said circuit-switched
calls and services, wherein the circuit-switched signaling messages conform to a protocol for being provided said calls and
services over a circuit-switched connection towards said access call control entity;

interworking, at a first interworking entity comprised within the terminal device, between said circuit-switched signaling
messages and signaling messages that conform to a protocol for packet-switched sessions via the IMS, inversely to a second
interworking entity at the switching center;

establishing a packet-switched session between the first interworking entity at the terminal device and the second interworking
entity at the switching server;

exchanging circuit-switched signaling messages between the terminal device and the access call control entity of the switching
center over the established packet-switched session, via said first and second interworking entities.

US Pat. No. 9,094,809

TECHNIQUE FOR MANAGING ACTIVITY STATES FOR MULTIPLE SUBSCRIPTIONS IN A TERMINAL DEVICE

Telefonaktiebolaget L M E...

1. A method for managing activity states of at least two subscriptions in a terminal device, wherein the method is performed
in the terminal device and comprises:
monitoring whether a first subscription is to transit or has transited from a first active state to a second active state
while at least one second subscription is in a detached state, wherein the second active state is associated with a lower
terminal activity than the first active state and the second active state corresponds to a lower power consumption of the
terminal device than the first active state;

if the result of the monitoring step is affirmative, waiting for a predetermined period of time; and
upon lapse of the predetermined period of time, if the first subscription is still in the second active state, triggering
a transition of the first subscription from the second active state to an inactive state and initiating for the at least one
second subscription a transition from the detached state to an inactive state.

US Pat. No. 9,270,493

SCALABLE ESTIMATION RING

Telefonaktiebolaget L M E...

1. A base station for a wireless network that performs calibration of an antenna array to remove distortion incurred by a
plurality of transmit paths in the base station, the antenna array including a plurality of sub-arrays each connected to a
corresponding one of the plurality of transmit paths, the base station comprising:
a feedback receiver configured to receive a combined radio frequency feedback signal and output a combined feedback signal,
the combined radio frequency feedback signal being a summation of a plurality of output signals of the plurality of transmit
paths in response to a plurality of input signals; and

a scalable estimation ring configured to estimate impulse responses of the plurality of transmit paths based on the combined
feedback signal in a distributed manner, the scalable estimation ring comprising a plurality of scalable estimation ring coordinated
processing components each operating to estimate the impulse response of a corresponding one of the plurality of transmit
paths.

US Pat. No. 9,204,290

METHOD AND SYSTEM FOR CONSTRUCTING A DOMAIN NAME FOR A RADIO NETWORK NODE IN A CELLULAR COMMUNICATION SYSTEM

Telefonaktiebolaget L M E...

1. A method for constructing a domain name, comprising:
constructing, by a radio network node, a domain name of an operator or maintenance (OM) node based on at least part of a radio
node identifier identifying the radio network node and a radio network operator identifier,

sending by the radio network node, the constructed domain name to a domain name server;
in response to sending the constructed domain name, receiving, by the radio network node and from the domain server, an IP
address for the OM node; and

initiating, by the radio network node, a connection with the OM node using the IP address.

US Pat. No. 9,185,141

MANAGING ROAMING AGREEMENTS BETWEEN IMS NETWORKS

Telefonaktiebolaget L M E...

1. A method for managing an automatically established roaming agreement in a first Internet Protocol (IP) Multimedia Subsystem
(IMS) network, the method being performed in a first edge proxy of the first IMS network and comprising:
receiving a registration request of a user terminal via a second IMS network;
sending, based on the registration request, a roaming information request indicating the second IMS network to a user database
associated with the first IMS network;

receiving, in response to the roaming information request and from the user database, a roaming information answer indicating
information related to the roaming agreement;

forwarding, based on the roaming information answer, the registration request to a second edge proxy of the first IMS network,
wherein the second edge proxy is configured to manage the roaming agreement between the first and second IMS networks;

sending a routing permission request to the user database, the routing permission request requesting permission for routing
the registration request to a user registrar of the first IMS network; and

receiving, in response to the routing permission request, a rejecting routing permission response from the user database rejecting
the requested permission;

wherein sending the roaming information request to the user database comprises sending the roaming information request to
the user database in response to the received rejecting routing permission response.

US Pat. No. 9,113,452

METHOD AND ARRANGEMENT IN A WIRELESS COMMUNICATION NETWORK

TELEFONAKTIEBOLAGET L M E...

1. A method, in a base station, for modulating information intended for transmission to a terminal, wherein the base station,
the terminal, and a control node are part of a wireless communication network, and wherein the information comprises first
and second data blocks, the method comprising:
obtaining a first Uplink State Flag (USF) value and a second USF value to be sent across the first data block and the second
data block;

encoding a first part of the first USF value, a first part of the second USF value, and the first data block for a first modulation
technique;

modulating the encoded first parts of the first and second USF values and the encoded first data block according to the first
modulation technique;

encoding a second part of the first USF value, a second part of the second USF value, and the second data block for a second
modulation technique, different from the first modulation technique; and

modulating the encoded second parts of the first and second USF values and the encoded second data block according to the
second modulation technique.

US Pat. No. 9,100,902

FINDING CARRIERS IN A RADIO COMMUNICATION NETWORK

Telefonaktiebolaget L M E...

1. A method, in a mobile station, for finding carriers on which transmissions are being made in a part of a radio communication
network, the method comprising:
selecting a carrier in a set of carriers of a discontinuous transmission scheme where signals are transmitted on the carriers
of the set in active transmission intervals of a transmission cycle, said discontinuous transmission scheme specifying a transmission
sequence of said set of carriers, and wherein said selecting is based on probability settings provided for the carriers of
the set;

scanning the selected carrier during a time range that is a fraction of the transmission cycle;
confirming the presence of the selected carrier if transmissions are detected and otherwise (a) adjusting the probability
settings of the carriers of the set, based on a timing of the scanning and a position of the selected carrier's active transmission
interval in the transmission sequence, and (b) repeating the selection of a carrier based on the adjusted probability settings
and repeating the adjusting of probability settings until the presence of a carrier has been confirmed.

US Pat. No. 9,094,922

SPLITTER WITH ADAPTIVE POWER DISTRIBUTION

Telefonaktiebolaget L M E...

1. A splitter configured to distribute power to a plurality of antennas of an indoor cellular network for transmission of
a downlink signal, wherein the splitter comprises a signal determining unit configured to determine, for one of the antennas,
a signal strength of an uplink signal received by that antenna, wherein the splitter is configured to distribute power to
said one antenna, for transmitting the downlink signal from that antenna, in accordance with the determined signal strength
of the uplink signal received by said one antenna, and wherein the splitter is configured to distribute, to each antenna,
a signal for the downlink signal having a signal strength that is proportional to a respective uplink signal strength determined
for that antenna.

US Pat. No. 9,596,616

ENHANCEMENT ON RADIO LINK FAILURE REPORT TO RECORD NECESSARY TIMING DETAILS FOR A DUAL-THRESHOLD HANDOVER TRIGGER EVENT

Telefonaktiebolaget L M E...

1. A method of reporting an occurrence of a Radio Link Failure (RLF) associated with a handover (HO) of a User Equipment (UE)
by a source node to a target node, wherein the method comprises performing the following by the UE:
for each event-specific entering condition associated with a Measurement Report-triggering event related to the HO, storing
a respective timing indication for only a most recent fulfillment of each corresponding event-specific entering condition;

storing a failure time-stamp for the occurrence of the RLF; and
sending RLF-reporting information to the target node, wherein the RLF-reporting information contains each stored timing indication
and the stored failure time-stamp;

wherein there is a plurality of event-specific entering conditions associated with the Measurement Report-triggering event,
and wherein the UE performs the following as part of storing the respective timing indication:

storing a triggering time-stamp for only the most recent fulfillment of a first one of the plurality of event-specific entering
conditions, wherein the triggering time-stamp is based on a reference time recognized by the source node: and

storing a respective time duration value for only the most recent fulfillment of each remaining event-specific entering condition
in the plurality of event-specific entering conditions, wherein the respective time duration value is measured with reference
to the triggering time-stamp; and

wherein the reference time is one of the following:
a system time of the source node;
an absolute time used within a source cell associated with the source node:
a network-wide common time available throughout a carrier network associated with the source node; or
a time in a Global Navigation Satellite System (GNSS) format.

US Pat. No. 9,282,006

METHOD AND SYSTEM OF ENHANCING MULTIPLE MAC REGISTRATION PROTOCOL (MMRP) FOR PROTOCOL INTERNETWORKING

TELEFONAKTIEBOLAGET L M E...

1. A method to forward Ethernet frames associated with a service instance of a service at a node in a first network supporting
an implementation of a protocol for creating logical loop-free topologies, wherein media access control (MAC) address registration
in the first network complies with an implementation of multiple MAC registration protocol (MMRP), wherein nodes of the first
network interested in the service instance issue multiple MAC registration protocol data units (MMRPDUs), the method comprising:
receiving a first plurality of MMRPDUs at the node from links, wherein each MMRPDU of the first plurality of MMRPDUs contains
a first interested node list including one or more interested nodes identified by MAC addresses;

identifying a service instance identifier (SID) for the service instance by extracting information from at least one of:
one Ethernet frame encapsulating an MMRPDU and
one MMRPDU itself;
identifying a first set of MAC addresses interested in the service instance, the first set of MAC addresses being associated
with the node and the SID;

sending a second plurality of MMRPDUs to a set of links associated with the service instance, wherein for each link of the
set of links, an MMRPDU is sent, wherein the MMRPDU contains a second set of MAC addresses interested in the service instance
including MAC addresses not received from that link; and

installing filtering at the node such that an Ethernet frame is forwarded to its destination if the Ethernet frame is destined
to one or more interested nodes identified by the first set of MAC addresses.

US Pat. No. 9,210,671

METHODS OF PROVIDING POWER HEADROOM REPORTS ARRANGED IN ORDER OF COMPONENT CARRIER INDICES AND RELATED WIRELESS TERMINALS AND BASE STATIONS

Telefonaktiebolaget L M E...

1. A method of transmitting power headroom reports from a wireless terminal to a base station, wherein a primary component
carrier and at least one secondary component carrier are provided for uplink transmissions from the wireless terminal to the
base station, wherein a respective component carrier index is assigned to each of the at least one secondary component carriers
provided for the wireless terminal, the method comprising:
generating respective power headroom reports for the primary component carrier and for each of the at least one secondary
component carriers;

generating a MAC control element including the power headroom reports for the primary and secondary component carriers, wherein
a Type 2 and Type 1 power headroom reports for the primary component carrier are provided first, and then Type 1 power headroom
reports for each of the at least one secondary component carriers are arranged in an order according to the component carrier
indices for the respective secondary component carriers, and wherein no specific component carrier identifier field is included
for each of the Type 1 power headroom reports for each of the at least one secondary component carriers; and

transmitting the MAC control element including the power headroom reports for the primary and secondary component carriers
from the wireless terminal to the base station over one of the component carriers.

US Pat. No. 9,154,378

ARCHITECTURE FOR VIRTUALIZED HOME IP SERVICE DELIVERY

Telefonaktiebolaget L M E...

1. A method implemented by a network element of an Internet service provider executing a virtual gateway controller of a visited
network at a Broadband Network Gateway (BNG) of the visited network to provide network access through the visited network
associated with a visited network owner to a device of a visiting user connecting to the visited network, wherein the visited
network owner is a customer of the Internet service provider, wherein the network element configures the visited network to
provide access to resources of a remote home network to the device of the visiting user, wherein the remote home network is
in communication with the visited network over a wide area network and the remote home network is configured by a virtual
gateway controller of the remote home network executed at a BNG of the remote home network, the method comprising the steps
of:
receiving a connection request through a first access point of the visited network from the device of the visiting user;
establishing the connection between the visited network and the device of the visiting user through the first access point;
receiving a request from the device of the visiting user to connect to a resource of the remote home network through the first
access point;

connecting the virtual gateway controller of the visited network to the virtual gateway controller of the remote home network
to obtain configuration information to establish a connection between the device and the remote home network;

configuring a second access point on the visited network, the second access point for connecting to resources of the remote
home network;

establishing a connection between the device of the visiting user and the second access point;
facilitating authentication of the device for the remote home network; and
providing access to the resource of the remote home network through the second access point.

US Pat. No. 9,153,240

TRANSFORM CODING OF SPEECH AND AUDIO SIGNALS

Telefonaktiebolaget L M E...


forward smoothing BSpe(b) according to: BSpe(b) =max (BSpe(b), BSpe(b-1)-4), b=1, . . . , Bmax;
backward smoothing BSpe(b);
after forward and backward smoothing, thresholding and renormalizing BSpe(b); and
after thresholding and renormalizing BSpe(b), encoding at least a portion of the audio signal using BSpe(b).

US Pat. No. 9,097,786

REPORTING OF POSITIONING DATA

Telefonaktiebolaget L M E...

1. A method, by a position reporting node in a communication network, for reporting positioning data in the communication
network, comprising:
obtaining positioning data comprising a definition of a polygon in a lateral plane with altitude information for each corner
of the polygon and a confidence value;

approximating said polygon with an ellipsoid point that has an altitude, wherein said
approximating comprises
calculating a lateral center of gravity of said polygon as lateral parameters of said ellipsoid point; and
calculating a mean of said altitudes associated with said corners of the polygon as an altitude parameter of said ellipsoid
point;

further approximating said polygon with an uncertainty ellipsoid that surrounds said ellipsoid point, wherein said approximating
comprises calculating an uncertainty ellipse around the ellipsoid point;

transforming the uncertainty ellipse into a corresponding uncertainty ellipsoid, defined by semi-principal axes a, b, and
c, by calculating a covariance in the vertical direction;

obtaining a scaling factor corresponding to the confidence value based on a Gaussian assumption of the confidence value associated
with the polygon with altitude; and

scaling the three semi-principal axes a, b, and c of the uncertainty ellipsoid with the scaling factor; and
reporting said lateral parameters and altitude parameter of said ellipsoid point, and reporting said scaled uncertainty ellipsoid,
over an interface of said communication network, as a representation of said positioning data.

US Pat. No. 9,084,162

FORCED DRX DURING AUTOMATIC NEIGHBOR RELATION (ANR) IN LTE

Telefonaktiebolaget L M E...

1. A method of updating a neighbor list at a serving cell in a wireless system, wherein an evolved Node B (eNB) in the wireless
system provides Radio Frequency (RF) coverage to a User Equipment (UE) associated with the serving cell, and wherein the method
comprises performing the following steps using the eNB:
instructing the UE to report an identifier of a neighboring cell in the wireless system from which RF signals are also received
by the UE;

forcing the UE to enter into a Discontinuous Reception (DRX) mode despite pending data transactions at the UE that are preventing
the UE from automatically entering the DRX mode, thereby facilitating the UE's timely reading of the identifier of the neighboring
cell, wherein the step of forcing the UE to enter into the DRX mode includes the steps of:

upon instructing the UE to report the identifier of the neighboring cell, determining the volume of data remaining to be transmitted
to the UE or received from the UE; and

when the volume of data is above a pre-determined threshold and is preventing the UE from automatically entering the DRX mode,
forcing the UE to enter into the DRX mode;

receiving the identifier of the neighboring cell from the UE; and
adding the neighboring cell to the neighbor list of the serving cell.

US Pat. No. 9,338,097

METHOD AND SYSTEM FOR LOAD BALANCING AT A DATA NETWORK

TELEFONAKTIEBOLAGET L M E...

1. A method implemented at a data network, wherein the data network contains a plurality of data plane nodes carrying user
traffic and a plurality of clusters of a control node managing the plurality of data plane nodes, the method comprising:
learning the topology of the plurality of data plane nodes based on one of: registration of the data plane nodes at the control
node, and automatic discovery of the data plane nodes at the control node;

deriving a graph from a topology of the plurality of data plane nodes, wherein the graph contains vertices, each representing
one of the plurality of data plane nodes, and edges, each representing a connection between a pair of data plane nodes within
the plurality of data plane nodes;

partitioning the graph into a plurality of sub-graphs, each sub-graph containing one or more vertices and edges representing
data plane nodes and connections between the data plane nodes respectively, wherein the partition aims at minimizing connectivity
among the plurality of sub-graphs, and wherein the plurality of sub-graphs equal to the plurality of clusters; and

assigning each cluster to one of the plurality of data plane nodes, wherein each cluster is assigned to one or more data plane
node partitioned into a same sub-graph.

US Pat. No. 9,326,218

BASE-STATION-TO-BASE-STATION GATEWAY AND RELATED DEVICES, METHODS, AND SYSTEMS

Telefonaktiebolaget L M E...

1. A method of operation of a base-station-to-base-station gateway, an X2-GW, between a first base station and a second base
station in a Long Term Evolution cellular communication network, the method comprising:
receiving information from the first base station comprising:
a hostname of the first base station; and
a network address of the first base station; and
storing a mapping between the hostname and the network address;
receiving a Stream Control Transmission Protocol Initiation, INIT, message from the second base station to initiate a connection
to the first base station; and

sending a Stream Control Transmission Protocol ERROR message to the second base station with an error code that indicates
to the second base station that the X2-GW is an X2-GW.

US Pat. No. 9,313,678

METHOD AND APPARATUS FOR MEASURING INTERFERENCE IN A TELECOMMUNICATIONS SYSTEM

Telefonaktiebolaget L M E...

1. A method in a receiving unit of a wireless network, for facilitating noise and interference measurements on an air interface,
said method comprising the steps of:
obtaining, at a receiver, information relating to a layout of a silent resource element (RE) grid for a first cell, wherein
the silent RE grid indicates a plurality of resource elements for which no transmission is allocated on a data channel of
the first cell,

measuring a signal that is received on the data channel within a resource element for which no data transmission is allocated
for the first cell according to the silent RE grid;

determining an amount of inter-cell interference experienced on the data channel based on the signal measurement; and
reporting, to a transmitter, a channel quality indication for the data channel based on the determined amount of inter-cell
interference;

wherein the silent RE grid comprises a first silent RE grid and the method further comprises:
obtaining, at the receiver, information relating to a layout of a second silent RE grid for a control channel of the first
cell, wherein the second silent RE grid indicates a plurality of resource elements for which no transmission is allocated
on the control channel in the first cell;

measuring a second signal that is received on the control channel within a resource element for which no data transmission
is allocated for the first cell according to the second silent RE grid;

determining an amount of inter-cell interference experienced on the control channel based on the second signal measurement;
and

reporting, to the transmitter, a second channel quality indication for the control channel based on the determined amount
of inter-cell interference on the control channel.

US Pat. No. 9,191,087

METHODS AND SYSTEMS FOR PRECODER SELECTION ASSISTED BY DEMODULATION REFERENCE SIGNALS (DM-RS)

TELEFONAKTIEBOLAGET L M E...

1. A method for using demodulation reference signals (DM-RSs) to obtain channel state information (CSI) for precoder selection,
the method comprising:
receiving a DM-RS at a base station in at least one subframe from a user equipment (UE);
determining CSI based on the DM-RS;
demodulating user data received during the subframe using the DM-RS;
using the CSI obtained from the DM-RS to perform at least one function; and
predicting, without forcing the UE to follow a specific precoder pattern, equivalent channels of a subset of a codebook, given
a series of CSI measurements.

US Pat. No. 9,065,980

METHOD FOR RETRANSMISSION USING CHECKSUMS FOR IDENTIFYING LOST DATA PACKETS

Telefonaktiebolaget L M E...

1. A method for retransmission of data packets, wherein the data packets are sent in data frames, each data frame comprising
a checksum but lacking a unique sequence number, during a data transmission of a session between a data transmitter and a
receiving device, the method comprising the steps of:
detecting data loss in the data stream transmission;
determining checksums of at least the received data frames that are directly adjacent to and enclosing the detected data loss;
sending an identification key comprising said determined checksums to a retransmission server, whereby the sent checksums
constitute a checksum sequence and said identification key is used by the server for identifying the data loss;

receiving the requested missing data, comprising at least one data frame, from the retransmission server;
interleaving the received at least one data frame in the correct place in the received data transmission before rendering
the data information of the data transmission.

US Pat. No. 9,408,095

AUTONOMOUS DETERMINATION OF OVERLAPPING COVERAGE IN HETEROGENEOUS NETWORKS

Telefonaktiebolaget L M E...

1. A method of operation of a network node of a cellular communications network, comprising:
obtaining, based on communication with a plurality of wireless devices within a measuring cell, information that is indicative
of positions, including range, of the plurality of wireless devices within the measuring cell and information that is indicative
of a perceived coverage of one or more covering cells at the plurality of wireless devices;

determining overlapping coverage of the measuring cell and the one or more covering cells based on the information that is
indicative of the positions of the plurality of wireless devices within the measuring cell and the information indicative
of the perceived coverage of the one or more covering cells at the plurality of wireless devices; and

using the overlapping coverage.

US Pat. No. 9,270,748

METHOD FOR CONTENT DELIVERY INVOLVING A POLICY DATABASE

Telefonaktiebolaget L M E...

1. A first content delivery system for delivering content to at least one client, said first content delivery system comprising:
a processor;
a memory area, and
at least one mobile object adapted to be stored in the memory area and to be executed in the first content delivery system
and in at least one second content delivery system and where the mobile object comprises the following parts:

a first media file accessible by clients;
a policy data base; and
execution logic comprising program code and a data area where the data area comprises client access data related to the clients'
access of the first media file and where the execution logic is adapted to determine capabilities of the second content delivery
system and to monitor the client access data, to interrogate the policy data base, to copy the mobile object excluding the
first media file to the second content delivery system when certain conditions stored in the policy data base are met by the
client access data and create a reference to the copied mobile object in the mobile object; and

wherein the first content delivery system further comprises a transcoder unit, adapted to transcode the first media file into
a second media file prior to sending the second media file to the copied mobile object in the second content delivery system.

US Pat. No. 9,258,756

SYSTEM AND METHOD FOR MITIGATING CONGESTION HANDLING DURING HS CELL CHANGE

Telefonaktiebolaget L M E...

1. A radio network controller, comprising:
one or more processors; and
a non-transitory computer-readable storage medium further including computer-readable instructions that, when executed by
the one or more processors, are configured to:

facilitate a communication session for a wireless device in soft handover with a current active set of cells, the active set
of cells comprising a serving cell and a plurality of non-serving cells, wherein the serving cell provides the wireless device
with a high speed downlink shared channel (HS-DSCH) connection;

receive a power and quality measurement report indicating signal strengths that the wireless device receives from the active
set of cells;

determine, based on the power and quality measurement report, that the wireless device receives a best signal strength from
a first target cell, the first target cell selected from the plurality of non-serving cells within the current active set
of cells;

determine that the first target cell satisfies each of one or more HS-DSCH cell change requirements;
select the first target cell to provide the HS-DSCH connection;
determine that call admission fails for the first target cell;
determine, based on the power and quality measurement report, that the wireless device receives a second-best signal strength
from a second target cell, the second target cell selected from the plurality of non-serving cells within the current active
set of cells;

determine that the second target cell satisfies each of the one or more HS-DSCH cell change requirements;
select, in response to determining that the call admission fails for the first target cell, the second target cell to provide
the HS-DSCH connection; and

facilitate moving the HS-DSCH connection from the serving cell to the second target cell if the second target cell succeeds
at the call admission.

US Pat. No. 9,055,546

HANDLING A REGISTRATION TIMER TO PROVIDE SERVICE CONTINUITY IN IMS

TELEFONAKTIEBOLAGET L M E...

1. A method for providing service continuity with respect to a registration of a mobile terminal (UE), at a control server
of an IP Multimedia Subsystem (IMS) network, while a Circuit-Switched (CS) communication session between the UE and a switching
server (MSC) of a CS network is established, the method comprising:
initiating a termination of the registration of the UE at the IMS network in response to expiration of a registration timer
at the control server;

delaying, by the control server, expiration of the registration timer at the control server by updating the registration timer,
based on control information received from the MSC when the registration timer is close to expiration;

wherein the MSC initiates the update of the registration timer in the control server by:
requesting the registration timer value from the control server; and
after receiving the registration timer value and detecting that the registration timer is close to expiration, triggering
the control server to update the registration timer;

wherein the control server, after updating the registration timer, sends a notification message to a serving node of the IMS
network to trigger an update of an additional registration timer in the serving node.

US Pat. No. 9,974,061

METHOD, UE AND BASE STATION FOR TRANSMITTING PERIODIC SIGNAL/PERIODIC SYSTEM INFORMATION, AND METHOD AND BASE STATION FOR FORWARDING PERIODIC SYSTEM INFORMATION

TELEFONAKTIEBOLAGET L M E...

1. A method used in a User Equipment, UE, for transmitting a periodic signal to a first base station, the UE having been in communications with a second base station, the method comprising the steps of:obtaining from the second base station a subframe configuration, which indicates a first set of subframes assigned to communications between the UE and the first base station and a second set of subframes assigned to communications between the UE and the second base station; and
if a given uplink subframe, in which the periodic signal is to be transmitted to the first base station, is not in the first set of subframes, transmitting the periodic signal in a first available uplink subframe in the first set of subframes following the given uplink subframe.

US Pat. No. 9,596,695

METHODS AND DEVICES FOR REDUCING INTERFERENCE IN HETEROGENEOUS COMMUNICATION NETWORKS BASED ON INTER-CELL INTERFERENCE COORDINATION

TELEFONAKTIEBOLAGET L M E...

1. A method for reducing interference in a communication network including a first node and a first node coverage area, a
second closed subscriber group (CSG) node having a CSG cell, transmitting at a lower power than the first node and located
within the first node coverage area, and one or more user equipment (UE) devices located within the first node coverage area,
comprising:
receiving, at the second CSG node, a request for Physical Resource Block (PRB) utilization from the first node;
requesting, by the second CSG node, interference cancellation (IC) capability of the one or more UE devices;
receiving an IC capability report from the first node for the one or more UE devices;
determining if the one or more UE devices is IC capable based on the received capability report and, if any of the UE devices
are not IC capable, the method further comprising:

reporting the PRB utilization to the first node;
receiving, from the first node, instructions for the second CSG node to operate in an interference cancellation (IC) mode
with an (X:Y) operating ratio of a number of inactive frames (X) to a total number of frames in the CSG cell (Y), the operating
ratio determined based on the reported PRB utilization; and

switching, at the second CSG node, to an IC mode that mutes, according to the operating ratio, transmission of reference signals
causing interference for the UE devices.

US Pat. No. 9,391,729

METHOD AND APPARATUS FOR MONITORING PERFORMANCE, AND REMOTE RADIO UNIT

TELEFONAKTIEBOLAGET L M E...

1. A method for monitoring performance in a telecommunication system, comprising:
receiving transmitter observation receiver data as a feedback signal from a transmission link;
down-converting the transmitter observation receiver data utilizing a mixer to time-divisionally acquire a signal band, a
high adjacent band, and a low adjacent band of the transmitter observation receiver data in respective three time slots by
changing a center frequency of the mixer to obtain outputs of the signal band, the high adjacent band, and the low adjacent
band, respectively;

calculating power of the signal band, the high adjacent band, and the low adjacent band in the respective three time slots,
wherein a synchronization signal is utilized to generate the three time slots for the mixer to change the center frequency
and to synchronize the calculating of the power of the signal band, the high adjacent band, and the low adjacent band, based
on the respective outputs of the signal band, the high adjacent band, and the low adjacent band; and

calculating a first adjacent channel leakage ratio from the power of the signal band and the high adjacent band, and calculating
a second adjacent channel leakage ratio from the power of the signal band and the low adjacent band.

US Pat. No. 9,294,244

METHOD AND APPARATUS FOR CHANNEL ESTIMATION AND DETECTION IN MIMO SYSTEM

TELEFONAKTIEBOLAGET L M E...

1. A method for performing channel estimation and detection in a Multiple-Input-Multiple-Output, MIMO, system, the method
comprising:
generating a demodulation reference signal, DM-RS, pattern for an extended cyclic prefix, CP; and
estimating and detecting channel performance based on the generated DM-RS signal pattern,
wherein, the DM-RS pattern includes rank 1-2 pattern which supports for up to 2 layer transmission, and
the DM-RS pattern comprises a punctured version of normal subframe used for different downlink pilot time slot, DwPTS, cases.

US Pat. No. 9,288,707

TECHNIQUE FOR CABLE INTERFACE-BASED LOAD BALANCING BETWEEN CELLS

Telefonaktiebolaget L M E...

1. A method for cable interface-based load balancing, LB, between a first cell and a second cell in a mobile communication
network, each cell comprising at least a cable interface and an air interface, and each cell being associated with a parameter
set comprising a load status of the air interface and a load status of the cable interface of the respective cell, the method
being performed in a control entity of the first cell and comprising the steps of:
determining the parameter set of the first cell;
obtaining the parameter set of the second cell or information indicative thereof;
determining whether the air interface load status and cable interface load status of the first cell are low, whether the air
interface load status of the second cell is low, and whether the cable interface load status of the second cell is high, wherein:

the determining step is performed based on comparing the air interface load status and cable interface load status of the
first cell and the air interface load status and cable interface load status of the second cell with at least one threshold
each,

the at least one threshold comprises a first threshold for the cable interface load status of the first cell, a second threshold
for the air interface load status of the first cell, a third threshold for the cable interface load status of the second cell,
and a fourth threshold for the air interface load status of the second cell, and

the third threshold is greater than the maximum of the first, second and fourth thresholds; and
reconfiguring, if the determination is affirmative, at least one air interface configuration parameter of the first cell to
off-load at least a part of mobile-originated traffic from the second cell to the first cell.