US Pat. No. 9,191,859

MOBILE COMMUNICATIONS NETWORK, INFRASTRUCTURE EQUIPMENT, MOBILE COMMUNICATIONS DEVICE AND METHOD

SCA IPLA Holdings Inc., ...

1. A mobile communications network for communicating data to and/or from mobile communications devices, the mobile communications
network comprising:
a core network part including a plurality of infrastructure equipment, and
a radio network part including a plurality of base stations which are provided with a wireless access interface for communicating
data to or from the mobile communications devices, wherein the mobile communications network is arranged to provide communications
bearers on request to the mobile communications devices in accordance with a relative type of data packets communicated via
the communications bearers for supporting communications sessions, an indication of the relative type of the data packets
being received from one or more of the mobile communication devices and used to configure corresponding ones of the communications
bearers, each said indication including an indication of a relative priority of the data packets with respect to communication
of data packets via other communications bearers of the mobile communications network, and the mobile communications network
includes:

circuitry configured to determine a number of communication bearers of each of a plurality of pre-determined types provided
to the mobile communications devices within the mobile communications network, and to determine a state of the mobile communications
network based on the number of each type of the communications bearers for each of the plurality of pre-determined types,

wherein the mobile communications network is configured to control communication of the data packets via the communications
bearers in accordance with the determined state of the mobile communications network, and

wherein the control of the communication of the data packets via the communications bearers in accordance with the relative
priority indicated by the relative type of the data packets includes:

storing the data packets in a buffer for communication of the data packets via the communications bearers at a later time
in preference to communicating data packets from the other communications bearers at an earlier time with a higher priority.

US Pat. No. 9,439,175

MOBILE COMMUNICATIONS NETWORK DEVICE AND METHOD

SCA IPLA Holdings Inc., ...

1. A mobile communications device for communicating data to and/or from a mobile communications network, the mobile communications
device comprising:
circuitry configured to
transmit an indication of a relative access type of data packets to access a communications bearer configured to support a
communication session of the mobile communications device, the indication of the relative access type of the data packets
being used to configure the communications bearer, and the indication of the relative access type of the data packets including
an application type indication that indicates a type of application that generates the data packets and a traffic type indication
of a relative priority of the data packets with respect to communication of data packets via one or more other communication
bearers of the mobile communications network, and

transmit the data packets via the communications bearer to one or more of infrastructure equipment via one or more of the
base stations in accordance with the indication of the relative access type of the data packets, the transmission of the data
packets via the communications bearer being controlled in accordance with the relative access type of data packets communicated
via the communications bearer.

US Pat. No. 9,144,033

RELAY DEVICE AND METHOD

SCA IPLA HOLDINGS INC., ...

1. A relay device for wirelessly relaying data from a terminal device to a base station, the relay device comprising:
a receiver; and
a transmitter, responsive to an access request message of a second type being received at the receiver from the terminal device
to transmit a relayed access request message to the base station to request the base station to allocate uplink resources
to the terminal device; wherein

the access request message of the second type is transmitted by the terminal device if no response to a transmitted access
request message of a first type is received from the base station;

the access request messages of the first type include Random Access Channel preambles selected from a first group of Random
Access Channel preambles;

the access request messages of the second type include Random Access Channel preambles selected from a second group of Random
Access Channel preambles, which are different from the first group of Random Access Channel preambles;

the base station is responsive to either an access request message of the first type received from the terminal device or
the relayed access request message from the relay device to transmit an allocation of uplink resources to the terminal device;

the relay device is operable
to measure a received signal power of the access request message of the second type received from the terminal device; and
to set power control information in the relayed access request message for controlling a power level of a subsequent transmission
from the terminal device to the relay device on the allocated uplink resources; and

the allocation of uplink resources transmitted from the base station to the terminal device comprises the power control information
for controlling the transmission power of the subsequent transmission from the terminal device to the relay device.

US Pat. No. 9,526,090

WIRELESS COMMUNICATIONS SYSTEM AND METHOD

SCA IPLA HOLDINGS INC, N...

1. A terminal device for wirelessly communicating data to and from a base station via one or more of a plurality of intermediate
devices within a wireless communications system, the terminal device comprising:
reception circuitry configured to wirelessly receive, directly from the base station, downlink signals including terminal
control signals that identify a target device to which the terminal device is to direct uplink signals intended for the base
station, the target device being one of the intermediate devices; and

transmission circuitry configured to wirelessly transmit the uplink signals to the target device for subsequent transmission
to the base station, wherein

the reception circuitry is further configured to
receive an acknowledgement message from the target device, the acknowledgement message indicating that the uplink signal is
successfully received by the target device, and

receive, directly from the base station, a second acknowledgement message indicating that the uplink signal is successfully
received by the base station.

US Pat. No. 9,288,809

INFRASTRUCTURE EQUIPMENT AND METHOD

SCA IPLA Holdings Inc., ...

1. An infrastructure equipment for forming part of a mobile communications network for communicating data to and/or from a
mobile communications device, the infrastructure equipment comprising:
circuitry configured to
receive, from the mobile communications device, an indication of a relative access type of data packets to access a communications
bearer configured to support a communication session of the mobile communications device, the indication of the relative access
type of the data packets being used to configure the communications bearer, and the indication of the relative access type
of the data packets including a device type indication and an application type indication of a relative priority of the data
packets with respect to communication of data packets via one or more other communication bearers of the mobile communications
network,

dynamically configure the communications bearers based on the received indication,
provide the dynamically configured communications bearer for communication of data with the mobile communications device in
accordance with the indication of the relative access type of the data packets, and

control communication of the data packets via the dynamically configured communications bearer in accordance with the relative
access type of data packets communicated via the communications bearer,

wherein the device type indication includes a machine-type communications (MTC) capable device indication,
wherein the application type indication includes an MTC application indication, and
wherein the indication of the relative access type of the data packets that includes the device type indication and the application
type indication of the relative priority of the data packets is provided in an access stratum (AS) access message and a non-access
stratum (NAS) access message.

US Pat. No. 9,326,179

MOBILE COMMUNICATIONS SYSTEM, INFRASTRUCTURE EQUIPMENT, BASE STATION AND METHOD

SCA IPLA HOLDINGS INC., ...

1. A mobile communications system comprising one or more mobile communications terminals and a mobile communications network,
the mobile communications network including
one or more base stations for communicating data to or receiving data from the mobile communications terminals, wherein the
one or more base stations are configured to

provide a low bandwidth communications interface formed from a low bandwidth carrier for one or more of the communications
terminals to communicate data to or to receive data from the mobile communications network; and

provide a high bandwidth communications interface formed from a high bandwidth carrier for one or more of the communications
terminals to communicate data to or to receive data from the mobile communications network; and

a load balancing entity configured to
monitor the data communicated by the one or more of the communications terminals to or received from the low bandwidth interface
and the data communicated by the one or more of the communications terminals to or received from the high bandwidth interface;
and

consequent upon first predetermined conditions being satisfied, command one of the communications terminals which is attached
for communication to the high bandwidth interface to detach from the high bandwidth interface and to re-attach to the low
bandwidth interface for communicating the data to or receiving the data from the mobile communications network via the low
bandwidth interface, wherein

the first predetermined conditions are determined in accordance with at least one of a characteristic of the data communicated
by the communications terminal via the high bandwidth interface, a state of the communications terminal attached to the high
bandwidth interface or a relative utilization of communications resources of the low bandwidth communications interface.

US Pat. No. 9,532,357

WIRELESS COMMUNICATIONS SYSTEM AND METHOD

SCA IPLA HOLDINGS INC., ...

1. A wireless communications system, comprising:
a base station;
a relay device; and
a terminal device;
wherein the terminal device is configured to:
transmit one or more access request messages of a first type to request uplink resources from the base station, the one or
more access request messages of the first type including Random Access Channel preambles from a first group of Random Access
Channel preambles, and

transmit an access request message of a second type if no response to the transmitted access request messages of the first
type is received from the base station, the access request message of the second type including a Random Access Channel preamble
from a second group of Random Access Channel preambles that is different from the first group of Random Access Channel preambles;

wherein the base station is responsive to an access request message of the first type received from the terminal device to
transmit an allocation of uplink resources to the terminal device;

wherein the relay device is responsive to an access request message of the second type received from the terminal device to
transmit a relayed access request message to the base station to request the base station to allocate uplink resources to
the terminal device, wherein the relayed access request message includes a timing advance offset for a subsequent transmission
from the terminal device to the relay device; and

wherein the base station is responsive to the relayed access request message from the relay device to transmit an allocation
of uplink resources to the terminal device.

US Pat. No. 9,432,160

ALLOCATING RESOURCES AND TRANSMITTING DATA IN MOBILE TELECOMMUNICATION SYSTEMS COMPRISING MACHINE TYPE COMMUNICATION APPLICATIONS

SCA IPLA HOLDINGS INC., ...

1. A method of communicating data in a wireless telecommunications system between a plurality of base stations and a plurality
of terminal devices using a plurality of Orthogonal Frequency Division Multiplex, OFDM, sub-carriers spanning a first frequency
bandwidth, the method comprising:
communicating user-plane data between a first base station and a first terminal device using a first group of the OFDM sub-carriers
distributed across the first frequency bandwidth;

communicating user-plane data between a second base station and a second terminal device using a second group of the OFDM
sub-carriers distributed across a second frequency bandwidth, wherein the second frequency bandwidth is smaller than and within
the first frequency bandwidth; and

communicating control-plane data between the first base station and the first terminal device using a combination of the first
and second groups of the OFDM sub-carriers.

US Pat. No. 9,191,841

INFRASTRUCTURE EQUIPMENT AND METHOD FOR DETERMINING A CONGESTION STATE

SCA IPLA Holdings Inc., ...

1. An infrastructure equipment for forming part of a mobile communications network, the mobile communications network being
for communicating data one or more of to and from mobile communications devices, the infrastructure equipment comprising:
circuitry configured to:
receive an indication of a relative type of one or more communications bearers provided by the mobile communications network
on request to the mobile communications devices in accordance with a corresponding relative type of data packets to be communicated
via the communications bearers for supporting communications sessions, respective indications of the relative type of the
data packets being used to configure the communications bearers,

determine, for the mobile communications network, a number of each type of configured communications bearer of the communications
bearers from among a plurality of pre-determined communications bearer types provided for the mobile communications devices
within the mobile communications network, and

determine a state of the mobile communications network in accordance with the determined number of each type of the configured
communications bearers for each of the plurality of pre-determined communications bearer types.

US Pat. No. 9,313,806

DEVICE AND METHOD FOR COMMUNICATION USING A COMMON IDENTIFIER

SCA IPLA Holdings Inc., ...

1. A communications device for communicating data via a mobile radio network, the communications device comprising:
circuitry configured to:
transmit data to or receive data from the mobile radio network via a wireless access interface, the wireless access interface
including a random access communications channel (RACH) for uplink transmission of burst signals and a packet data communications
channel;

store information which identifies the communications device to the mobile radio network, the information including a same
common identifier as that provided to each of an associated group of communications devices, the common identifier used to
establish a communications session for transmitting of data to or receiving of data from any device of the associated group
of communications devices;

determine whether another communications device of the associated group of communications devices transmits a random access
burst in the RACH;

enter a listening state, when the other communications device of the associated group of communications devices transmits
the random access burst, to detect data transmitted to the other communications device of the associated group of communications
devices via the packet data communications channel; and

wait a predetermined period of time in which no data is transmitted via the packet data communications channel before transmitting
another random access burst on the RACH.

US Pat. No. 9,288,794

COMMUNICATIONS SYSTEMS, COMMUNICATIONS DEVICE, INFRASTRUCTURE EQUIPMENT AND METHOD

SCA IPLA Holdings Inc., ...

1. A communications system, comprising:
a mobile radio network including one or more base stations that communicate data to and from communications devices via a
wireless access interface, wherein

the one or more base stations include a message processor and a message memory,
the message memory stores an indication of each of one or more message exchanges in a set of predetermined message exchanges
between the one or more base stations and one or more of the communications devices, each message exchange comprising a set
of predetermined messages and requiring predetermined uplink and/or down-link communications resource for communicating the
message exchange on the up-link and/or down-link between a base station and the one or more of the communications devices,

the message processor is configured to
generate, using each indication of the one or more message exchanges stored in the message memory, a conversation allocation
message for communication to the one or more of the communications devices, the conversation allocation message providing
an indication to the one or more of the communications devices of an allocation of the communications resource on the down-link
and/or the up-link for communicating the one or more messages of the message exchange,

communicate the conversation allocation message to the one or more of the communications devices, and
transmit a broadcast signal that indicates the set of predetermined messages which are available for communication via the
one or more base stations using the conversation allocation message, and

in response to the conversation allocation message, each of the one or more of the communications devices and a corresponding
base station communicate the one or more messages of the message exchange using the communications resource allocated by the
conversation allocation message.

US Pat. No. 9,480,065

INSERTING VIRTUAL CARRIER IN CONVENTIONAL OFDM HOST CARRIER IN COMMUNICATIONS SYSTEM

SCA IPLA HOLDINGS INC., ...

1. A mobile communications system for communicating data to and/or from mobile communications devices, the mobile communications
system comprising:
one or more base stations, each of which includes a transmitter and a receiver operable to provide a wireless access interface
for communicating data to or from the mobile communications devices, the wireless access interface providing on a downlink
a host carrier, the host carrier providing a plurality of resource elements across first frequency resources for communicating
data, and

a first and second mobile communications devices,wherein:
the first mobile communications device is operable to receive downlink communications via the host carrier,
the wireless access interface provided by the one or more base stations is arranged to provide a virtual carrier, the virtual
carrier providing one or more resource elements within second frequency resources which are within and smaller than the first
frequency resources,

the second mobile communications device is operable, upon detection of the virtual carrier, to receive downlink communications
via the virtual carrier,

downlink data is provided in time-adjacent sub-frames,
the virtual carrier is provided in the second frequency resources in a first sub-frame; and
the virtual carrier is provided in third frequency resources in a sub-frame after the first sub-frame, wherein the third frequency
resources are within and smaller than the first frequency resources.

US Pat. No. 9,232,363

COMMUNICATIONS SYSTEMS AND METHOD

SCA IPLA HOLDINGS INC., ...

1. A communications system, comprising plural communications devices for forming part of a mobile radio network comprising
a plurality of base stations arranged to communicate data to and from the plural communications devices via a wireless access
interface, each of the communications devices comprising:
a controller configured to
associate the communications device with at least one other communications device forming a group, each of the associated
communications devices being configured to transmit and receive data from one or more of the base stations, wherein all of
the associated communications devices of the group include a common identifier, and

establish a communications session using the common identifier to communicate data, via the mobile radio network, to and from
any of the associated communications devices of the group, wherein

each of the communications devices within the group of associated communications devices is provided with a unique data sequence
of a set of predefined data sequences for use in forming a random access burst for transmission in a random access communications
channel of the wireless access interface, the set of predefined data sequences being uniquely associated with the group,

the mobile radio network is arranged to transmit a signalling message indicating a grant of uplink resources in response to
the random access burst representing a request for uplink resources by a communications device identified by its unique data
sequence, the signalling message including the unique data sequence which was used to form the random access burst transmitted
by the communications device,

in response to the transmission of the random access burst in the random access communications channel by one of the communications
devices of the group, the other communications devices of the group are arranged to enter a listening state for detecting
data transmitted to the group of devices via a packet data communications channel of the wireless access interface, and the
other communications devices of the group wait a predetermined time after not detecting data transmitted via the packet data
communications channel before attempting to transmit a random access burst on the random access communications channel.

US Pat. No. 9,462,591

MOBILE COMMUNICATIONS NETWORK, INFRASTRUCTURE EQUIPMENT, MOBILE COMMUNICATIONS DEVICE AND METHOD

SCA IPLA Holdings Inc., ...

1. A mobile communications network for communicating data to and/or from mobile communications devices, the mobile communications
network comprising:
a core network part including a plurality of infrastructure equipment, and
a radio network part including a plurality of base stations which are provided with a wireless access interface for communicating
data to or from the mobile communications devices,

wherein the mobile communications network is arranged in operation to receive an indication of a relative access type of data
packets to access a communications bearer supporting a communication session of one of the mobile communications devices,
the indication of the relative access type of the data packets being received from one of said mobile communication devices
and used to configure the communications bearer, and the indication of the relative access type of the data packets including
an application type indication and a traffic type indication of a relative priority of the data packets with respect to communication
of data packets via one or more other communications bearers of the mobile communications network, and

wherein the mobile communications network is arranged to provide the communications bearer from the mobile communications
device to one or more of the infrastructure equipment via one or more of the base stations in accordance with the indication
of the relative access type of the data packets, and to control the communication of the data packets via the communications
bearer in accordance with the relative access type of data packets being communicated via the communications bearer.

US Pat. No. 9,432,975

TELECOMMUNICATIONS APPARATUS AND METHODS FOR HALF-DUPLEX AND FULL-DUPLEX

SCA IPLA HOLDINGS INC, N...

35. A base station configured to communicate over a radio interface having a frame structure comprising a plurality of subframes,
the base station comprising:
transceiver circuitry configured to
transmit data to a first terminal device using a physical channel,
transmit data to a second terminal device using a physical shared channel,
receive data from the first terminal device using the physical channel, and
receive data from the second terminal device using the physical shared channel; and
control circuitry configured to control the transceiver circuitry,
wherein each subframe includes a plurality of symbols, at least one symbol in each subframe being used to support the physical
shared channel, which is different from said physical channel, and at least one symbol in each subframe being to support a
physical control channel associated with the physical shared channel,

wherein the at least one symbol to support the physical shared channel supports the physical shared channel in a first communication
cell supporting the second terminal device operating in a half-duplex communication mode,

wherein a symbol at the end of each subframe, which is different from said at least one symbol supporting the physical shared
channel and said at least one symbol supporting the physical control channel, supports the physical channel in a second communication
cell supporting the first terminal device operating in a full-duplex communication mode,

wherein the base station is in the second communication cell, and
wherein the physical shared channel provides for a communication rate higher than a maximum communication rate provided by
the physical channel.

US Pat. No. 9,252,938

TELECOMMUNICATIONS APPARATUS AND METHODS FOR HALF-DUPLEX AND FULL-DUPLEX

SCA IPLA HOLDINGS INC., ...

10. A method of communicating data in a telecommunications system comprising a plurality of base stations and a plurality
of terminal devices arranged to communicate over a radio interface, the method comprising:
transmitting, using one of the base stations, data using a first radio frame structure from the base station to a first terminal
device of the plurality of terminal devices for a first communication link between the base station and the first terminal
device, which is operating in a full-duplex mode; and

transmitting, using the base station, data using a second radio frame structure from the base station to second first terminal
device of the plurality of terminal devices for a second communication link between the base station and the second terminal
device operating in a half-duplex mode,

wherein the first and second radio frame structures both comprise radio subframes comprising a plurality of symbols wherein
at least one symbol in each radio subframe is used to support a physical shared channel and at least one symbol in each radio
subframe is used to support a physical control channel associated with the physical shared channel, and

wherein a symbol at the beginning or end of each radio subframe of the first radio frame structure is used to support the
physical shared channel whereas a corresponding symbol at the beginning or end of each radio subframes of the second radio
frame structure is used to support a different additional physical channel.

US Pat. No. 9,414,238

MOBILE COMMUNICATIONS NETWORK, MOBILE COMMUNICATIONS DEVICE, RELAY NODE AND METHOD

SCA IPLA HOLDINGS INC., ...

1. A mobile communications network for communicating a sequence of data blocks to mobile communications devices via a wireless
access interface, the mobile communications network including
a plurality of base stations disposed throughout the network and arranged in operation to transmit to the mobile communications
devices a broadcast signal providing the sequence of data blocks in a sequence of transmission frames, each data block of
the sequence being transmitted by each of the base stations contemporaneously for each of the sequence of transmission frames,
and

one or more relay nodes arranged in operation to receive the broadcast signal transmitted by one of the base stations and
to retransmit the broadcast signal, the broadcast signal being re-transmitted as the sequence of data blocks on the same frequency
as the broadcast signal transmitted by the base station, so that one or more of the mobile communications devices can receive
the broadcast signal and recover the sequence of data blocks from one or both of the broadcast signal transmitted by the base
station or the broadcast signal transmitted by the relay node, wherein

the relay node is arranged to receive each of the sequence of data blocks transmitted by one or more of the base stations
and to re-transmit the sequence of data blocks as the broadcast signal, the transmission by the relay node being at the same
time and the same frequency as the transmission by the one or more base stations from which the sequence of data blocks was
received by the relay node and the transmission of the sequence of the data blocks by the relay node being displaced by one
or more data blocks behind the transmission of the sequence of data blocks by the base station from which the sequence of
data blocks was received.

US Pat. No. 9,629,183

MOBILE COMMUNICATIONS SYSTEM, INFRASTRUCTURE EQUIPMENT, MOBILE COMMUNICATIONS TERMINAL AND METHOD TO COMMUNICATE USER DATA WITHIN AN UPLINK RANDOM ACCESS CHANNEL

SCA IPLA HOLDINGS INC., ...

1. A mobile communications terminal, comprising:
a transceiver configured to transmit uplink random access channel (RACH) messages on a radio interface to a base station of
a mobile communications network, the radio interface provided by the base station and the RACH messages identifying an uplink
RACH of the radio interface; and

circuitry configured to encode machine type communication (MTC) data within the uplink RACH by both preamble positioning within
RACH resources and selecting a transmission timing for RACH messages within sub-frames of the uplink RACH, the encoded MTC
data represented by the preamble position and the selected transmission timing, wherein

the transceiver transmits the MTC data via the uplink RACH to the base station by transmitting the RACH messages according
to the preamble position and the selected transmission timing.

US Pat. No. 9,591,647

RELAY DEVICE AND METHOD

SCA IPLA HOLDINGS INC., ...

1. A relay device for wirelessly relaying data from a terminal device to a base station, the relay device comprising:
a receiver; and
a transmitter, responsive to an access request message of a second type being received at the receiver from the terminal device
to transmit a relayed access request message to the base station to request the base station to allocate uplink resources
to the terminal device; wherein

the access request message of the second type is transmitted by the terminal device if no response to a transmitted access
request message of a first type is received from the base station;

the access request messages of the first type include Random Access Channel preambles selected from a first group of Random
Access Channel preambles;

the access request messages of the second type include Random Access Channel preambles selected from a second group of Random
Access Channel preambles, which are different from the first group of Random Access Channel preambles; and

the base station is responsive to either an access request message of the first type received from the terminal device or
the relayed access request message from the relay device to transmit an allocation of uplink resources to the terminal device.

US Pat. No. 9,531,555

APPARATUS AND METHOD FOR TRANSMISSION OF CACHED DATA IN A WIRELESS TELECOMMUNICATIONS SYSTEM

SCA IPLA HOLDINGS INC., ...

1. A method of transmitting data to a plurality of terminal devices in a wireless telecommunications system comprising a base
station and a relay node for the base station, the method comprising:
transmitting the data from the base station to the relay node;
transmitting, at a first time, the data from the relay node to a first terminal device of the plurality of terminal devices;
storing the data in a cache at the relay node;
conveying, by the base station to the relay node, an indication that the relay node should retrieve the data from the cache;
and

retrieving, by the relay node in response to the indication, the data from the cache at the relay node and transmitting, at
a second time after the first time in response to the indication, the data from the relay node to a second terminal device
of the plurality of terminal devices, wherein

the indication further indicates that the relay node should transmit the data at the second time.

US Pat. No. 9,516,450

METHODS FOR TRANSMITTING PHYSICAL-LAYER CONTROL INFORMATION AND HIGHER-LAYER DATA TO A TERMINAL DEVICE

SCA IPLA HOLDINGS INC., ...

13. A method of operating a base station for communicating data with a terminal device in a wireless telecommunications system
using a plurality of sub-carriers spanning a system frequency band, the method comprising:
transmitting physical-layer control information for the terminal device using sub-carriers selected from across the system
frequency band;

communicating with the terminal device to share an indication of a radio resource to be used for communicating an indication
of a restricted frequency band, wherein the indication of the radio resource is communicated by the base station transmitting
physical-layer control information having a format selected to provide the indication of the radio resource;

communicating with the terminal device to share the indication of the restricted frequency band; and
transmitting higher-layer data for the terminal device using sub-carriers selected from within the restricted frequency band,
wherein the restricted frequency band is smaller than and within the system frequency band.

US Pat. No. 9,473,280

TELECOMMUNICATIONS SYSTEM, APPARATUS AND METHOD FOR COMMUNICATING TO A FIRST AND A SECOND CLASS OF TERMINALS USING A FIRST AND/OR A SECOND CARRIER

SCA IPLA HOLDINGS INC., ...

1. A telecommunications system for communicating data to and from one or more terminals and a network, the system comprising:
one or more transmitters operable to transmit a first carrier over a first frequency bandwidth and to transmit a second carrier
over a second frequency bandwidth, wherein

during a first time period the one or more transmitters are operable to transmit dedicated messaging network (DMN) data receivable
by a machine-type communication (MTC) class of terminal on the first carrier and to transmit data receivable by a second class
of terminal having a complexity greater than the MTC class of terminal on the second carrier,

during a second time period outside the first time period, the one or more transmitters are operable to transmit data to the
second class of terminal on the first and second carriers in combination,

a transmission format for data on the first carrier in the first time period is incompatible with a transmission format for
data on the second carrier during the first time period, and

the one or more transmitters are operable to transmit control data on the first carrier in the first time period which is
receivable by the second class of terminal to enable the second class of terminal to maintain synchronization with the first
carrier during the first time period.

US Pat. No. 9,544,926

SYSTEM AND METHOD FOR PAGING OFF-LINE STATE TERMINALS

SCA IPLA HOLDINGS INC, N...

1. A communications terminal for transmitting data to and receiving data from a mobile communications network, the mobile
communications network including a radio network part, a core network part and a virtual mobility manager, the radio network
part having a plurality of base stations arranged to transmit data to and receive data from the communications terminal via
a radio access interface, and the core network part including at least one packet data network gateway arranged to route data
to and receive data from the base stations of the radio network part via the core network and a mobility manager arranged
to track a location of the communications terminal within the mobile communications network for routing the data to and receiving
the data from the communications terminal via the radio network part in accordance with context information of the communications
terminal, the communications terminal comprising:
circuitry configured to:
transmit, via at least one of the base stations to the virtual mobility manager, an indication that the communications terminal
is entering an off-line state, the virtual mobility manager storing at least part of the context information of the communications
terminal in response to the indication;

receive a paging message from the virtual mobility manager when the communications terminal is in the off-line state and after
occurrence of a triggering event, the paging message indicating that the communications terminal should move to an attached
state; and

establish a communications bearer, with the mobile communications network after the communications terminal has moved to the
attached state, the communications bearer for communicating data with the mobile communications network.

US Pat. No. 9,526,088

WIRELESS COMMUNICATIONS SYSTEM AND METHOD

SCA IPLA HOLDINGS INC, N...

1. A relay device for wirelessly relaying data from a terminal device to a base station, the relay device comprising:
circuitry configured to
receive, from the terminal device, uplink data transmitted on resources allocated to the terminal device by the base station;
set power control information for controlling a power level of a subsequent transmission from the terminal device to the relay
device;

add a relay header to the uplink data received from the terminal device, the relay header including the power control information;
and

transmit the uplink data, including the relay header, to the base station using uplink resources allocated to the relay device.

US Pat. No. 9,071,396

INSERTING VIRTUAL CARRIER IN CONVENTIONAL OFDM HOST CARRIER IN COMMUNICATIONS SYSTEM

SCA IPLA HOLDINGS INC, N...

1. A network element for use in a mobile communications system, the network element operable to:
provide a wireless access interface for communicating data to and/or from mobile communications devices, the wireless access
interface providing on a downlink a host carrier, the host carrier providing a plurality of resource elements across first
frequency resources;

transmit data for a first group of mobile communications devices, wherein the data is distributed within the plurality of
resource elements across the first frequency resources;

provide a virtual carrier via the wireless access interface, the virtual carrier providing one or more resource elements within
second frequency resources which are within and smaller than the first frequency resources; and

transmit data for a second group of mobile communications devices via the virtual carrier, wherein
the second frequency resources have a bandwidth of at least one resource block and fewer than one hundred resource blocks.

US Pat. No. 9,326,280

TELECOMMUNICATIONS METHOD AND SYSTEM

SCA IPLA HOLDINGS INC, N...

1. A mobile communications system for communicating data to and/or from mobile units, the system comprising:
one or more base stations arranged to communicate data to or from the mobile units via a wireless access interface within
one or more frequency bands, and one or more of the base stations is arranged to provide a plurality of logically separate
carriers for transmitting data to mobile units, wherein each of the logically separate carriers comprises physical communications
resources within the one or more frequency bands of the wireless access interface;

a first group of one or more mobile units arranged to communicate with the one or more base stations via at least a first
carrier of the plurality of carriers;

a second group of one or more mobile units arranged to communicate with the one or more base stations via at least a second
carrier of the plurality of carriers;

wherein
the one or more base stations are operable to provide common information on the first carrier, the common information being
for at least one mobile unit in the first group and for at least one mobile unit in the second group;

the one or more base stations are operable to provide allocation information in the first carrier, the allocation information
comprising an indication of the location of the common information within the first carrier;

the one or more base stations are further operable to provide allocation information in the second carrier, the allocation
information comprising an indication of the location of the common information within the first carrier; and

at least one mobile unit in the second group is arranged, upon reception of the allocation information in the second carrier,
to access the common information provided by the one or more base stations in the first carrier.

US Pat. No. 9,094,182

COMMUNICATION UNITS AND METHODS FOR RESOURCE CHANGE NOTIFICATION IN BROADCAST COMMUNICATION

SCA IPLA HOLDINGS INC, N...

1. A method for supporting cross carrier indication of a control channel change notification in a wireless communication system
that provides broadcast services on a plurality of carriers, the method comprising, at a base station:
receiving a first message comprising an indication of a control channel change requirement;
mapping at least one single broadcast service to a plurality of component carriers;
generating a second message comprising a control channel change notification for the broadcast service based on the mapping;
and

transmitting the second message on at least one component carrier to at least one wireless communication unit,
wherein the control channel change notification is of a dedicated channel indication (DCI) message format having an indication
of a multicast broadcast multimedia service (MBMS) control channel (MCCH) that has been modified.

US Pat. No. 9,622,248

RELAY DEVICE AND METHOD

SCA IPLA HOLDINGS INC., ...

1. A relay device for wirelessly relaying data from a terminal device to a base station, the relay device comprising:
a receiver; and
a transmitter, responsive to an access request message of a second type being received at the receiver from the terminal device
to transmit a relayed access request message to the base station to request the base station to allocate uplink resources
to the terminal device; wherein

the access request message of the second type is transmitted by the terminal device if no response to a transmitted access
request message of a first type is received from the base station;

the access request messages of the first type include Random Access Channel preambles selected from a first group of Random
Access Channel preambles;

the access request messages of the second type include Random Access Channel preambles selected from a second group of Random
Access Channel preambles, which are different from the first group of Random Access Channel preambles; and

the base station is responsive to either an access request message of the first type received from the terminal device or
the relayed access request message from the relay device to transmit an allocation of uplink resources to the terminal device.

US Pat. No. 9,326,107

TELECOMMUNICATIONS APPARATUS AND METHODS

SCA IPLA HOLDINGS INC, N...

1. A method of operating a base station to control transmission of data to one or more terminal devices in a wireless telecommunications
system by a relay node for the base station, the method comprising:
transmitting the data to the relay node for transmission by the relay node to a terminal device of the one or more terminal
devices at a first time;

conveying a first predetermined indication to the relay node to indicate the relay node should attempt to store the data in
a cache at the relay node; and

subsequently conveying a second predetermined indication to the relay node to indicate the relay node should retrieve the
data from the cache and transmit the data to the terminal device at a second time.

US Pat. No. 9,603,029

MOBILE COMMUNICATIONS NETWORK, MOBILE COMMUNICATIONS DEVICE, RELAY NODE AND METHOD

SCA IPLA HOLDINGS INC., ...

1. A mobile communications network for communicating a sequence of data blocks to mobile communications devices via a wireless
access interface, the mobile communications network including
a plurality of base stations disposed throughout the network and arranged in operation to transmit to the mobile communications
devices a broadcast signal providing the sequence of data blocks in a sequence of transmission frames, each data block of
the sequence being transmitted by each of the base stations contemporaneously for each of the sequence of transmission frames,
and

one or more relay nodes arranged in operation to receive the broadcast signal transmitted by one of the base stations and
to retransmit the broadcast signal, the broadcast signal being re-transmitted as the sequence of data blocks on the same frequency
as the broadcast signal transmitted by the base station, so that one or more of the mobile communications devices can receive
the broadcast signal and recover the sequence of data blocks from one or both of the broadcast signal transmitted by the base
station or the broadcast signal transmitted by the relay node, wherein

the mobile communications devices each include
a receiver arranged in operation to detect each of the broadcast signal transmitted by the base station and the broadcast
signal re-transmitted by the relay node, and

circuitry which is arranged in operation to recover the data blocks from one or the other of the broadcast signal transmitted
by the base station or the broadcast signal re-transmitted by the relay node depending on a relative power of the broadcast
signal transmitted by the base station and the broadcast signal transmitted by the relay node.

US Pat. No. 9,572,147

TELECOMMUNICATIONS SYSTEMS AND METHODS FOR MACHINE TYPE COMMUNICATION

SCA IPLA HOLDINGS INC, N...

1. A method of operating a terminal device for receiving data from a base station in a wireless telecommunications system
using a plurality of sub-carriers spanning a system frequency band, the method comprising:
receiving and buffering physical-layer control information transmitted by the base station in a subframe on sub-carriers spanning
the system frequency band;

receiving and buffering higher-layer data transmitted by the base station in the subframe only on sub-carriers spanning a
predetermined restricted frequency band that is smaller than and within the system frequency band;

processing the buffered physical-layer control information to determine an allocation of higher-layer data for the terminal
device within the restricted frequency band; and

processing the buffered higher-layer data to extract the allocated higher-layer data for the terminal device from the restricted
frequency band.

US Pat. No. 9,288,786

MULTICAST ARQ IN MACHINE TYPE COMMUNICATION NETWORK

SCA IPLA HOLDINGS INC, N...

1. A method of operating a base station for communicating data in a wireless telecommunications system, the method comprising:
transmitting data to a plurality of terminal devices in a multicast transmission; and
receiving response signals from respective ones of the terminal devices transmitted in response to the multicast transmission
to indicate whether the respective terminal devices have successfully received the multicast transmission,

wherein the wireless telecommunications system operates in downlink over a first frequency bandwidth and in uplink over a
second frequency bandwidth, and

wherein at least one of the multicast transmission is made using downlink transmission resources on frequencies selected from
within a third frequency bandwidth which is smaller than and within the first frequency bandwidth, and the response signals
from the terminal devices are received using uplink transmission resources on frequencies selected from within a fourth frequency
bandwidth which is smaller than and within the second frequency bandwidth.

US Pat. No. 9,609,668

COMMUNICATION DEVICE AND METHOD FOR COMMUNICATING DATA USING A COMMON IDENTIFIER

SCA IPLA HOLDINGS INC., ...

1. A communications device for communicating data via a mobile radio network, the communications device comprising:
processing circuitry configured to store information that identifies the communications device to the mobile radio network;
and

a transmitter and receiver configured to
communicate data to or from the mobile radio network via a wireless access interface of the mobile radio network, the wireless
access interface including a random access communications channel for uplink transmission of a burst of signals;

transmit a random access burst in the random access communications channel in accordance with a predetermined arrangement;
and

receive a signalling message in response to the random access burst, the signalling message using a unique predefined sequence,
wherein

the communications device is provided with the unique predefined sequence, which is a set of predefined sequences of data
unique to the communications device for forming the random access burst that is transmitted in the random access channel of
the wireless access interface,

the information includes a same common identifier as that provided to each of an associated group of communications devices,
the common identifier used to establish a communication session to communicate data to or from any communications device of
the associated group of communications devices, and

each communications device of the group of communications devices receives signalling information from the mobile radio network,
the signalling information including information required for mobility management and connection.

US Pat. No. 9,307,559

INSERTING VIRTUAL CARRIER IN CONVENTIONAL OFDM HOST CARRIER IN COMMUNICATIONS SYSTEM

SCA IPLA HOLDINGS INC, N...

1. A mobile telecommunications system, comprising:
a plurality of first mobile terminals that transmit uplink data to a network over a radio interface on a first group of sub-carriers
of a plurality of sub-carriers over a first bandwidth, and transmit first random access request messages on a first random
access channel to a base station of the network; and

a plurality of second mobile terminals that transmit uplink data to the network over the radio interface on a second group
of sub-carriers over a second bandwidth, and transmit second random access request messages on a second random access channel
to the base station, wherein

the first and second random access request messages request uplink radio resources,
the second group of sub-carriers is within the first group of sub-carriers,
the second bandwidth is smaller than the first bandwidth,
the second random access channel is positioned on a sub-set of sub-carriers within and smaller than the second group of sub-carriers,
the second group of sub-carriers forms a virtual carrier inserted within the first bandwidth and the remaining sub-carriers
of the first group of sub-carriers form a host carrier,

the first random access request messages include a first preamble,
the second random access request messages include a second preamble different from the first preamble,
the base station determines that a particular random access request message is from a first mobile terminal when the particular
random access request message includes the first preamble, and

the base station determines that the particular random access request message is from a second mobile terminal when the particular
random access request message includes the second preamble.

US Pat. No. 9,474,092

INFRASTRUCTURE EQUIPMENT AND METHOD

SCA IPLA HOLDINGS INC, N...

1. An infrastructure equipment for forming part of a mobile radio network, the infrastructure equipment including
a transceiver configured to transmit and receive data to and from communications devices via a wireless access interface,
and

a controller configured to
process requests for communications resources from the communications devices, wherein a plurality of associated communications
devices are arranged to form each of plural groups, and each of the associated communications devices of a respective group
includes the same common identifier,

respond to a request from one of the communications devices of the respective group to establish a communications session
using the common identifier, the communications session being used to communicate data to and from any of the communications
devices of the respective group,

provide each of the communications devices within each of the plural groups of associated communications devices with a unique
one of a set of predefined sequences of data for use in forming a random access burst for transmission in a random access
channel of the wireless access interface, a different set of predefined sequences being uniquely associated with each respective
group, and

transmit a message in response to a random access burst, using the predefined sequence which was used to form the random access
burst received from a communications device.

US Pat. No. 9,699,812

MOBILE COMMUNICATIONS SYSTEM, INFRASTRUCTURE EQUIPMENT, MOBILE COMMUNICATIONS TERMINAL AND METHOD TO COMMUNICATE USER DATA WITHIN AN UPLINK RANDOM ACCESS CHANNEL

SCA IPLA HOLDINGS INC., ...

1. A mobile communications system for communicating data to/from mobile communications terminals, the system comprising:
one or more base stations of a mobile communications network are arranged to provide a radio interface to communicate with
mobile communications terminals; and

one or more mobile communications terminals arranged to communicate with the one or more base stations via the radio interface
and wherein a mobile communication terminal is arranged to use an uplink random access channel of the radio interface to transmit
random access messages to the one or more base stations, wherein

a first of the mobile communications terminals is configured to communicate data via the uplink random access channel by transmitting
one or more of the random access messages at a selected timing within the uplink random access channel, the timing being selected
by the first mobile communications terminal to represent at least part of the data,

the one or more base stations are arranged, upon reception of a random access message, to detect whether data is communicated
via the random access message, and

the one or more base stations are configured, after reception of a capability message including an indication of a capability
of the first mobile communications terminal, to detect whether data is communicated via the random access message at least
using a capability indicated in the capability message, wherein the capability message is sent at least by the first mobile
communications terminal or by a database.

US Pat. No. 9,408,193

TELECOMMUNICATIONS APPARATUS AND METHODS FOR HALF-DUPLEX AND FULL-DUPLEX

SCA IPLA HOLDINGS INC, N...

35. A base station configured to communicate over a radio interface having a frame structure comprising a plurality of subframes,
the base station comprising:
transceiver circuitry configured to
transmit data to a first terminal device using a physical channel,
transmit data to a second terminal device using a physical shared channel,
receive data from the first terminal device using the physical channel, and
receive data from the second terminal device using the physical shared channel; and
control circuitry configured to control the transceiver circuitry,
wherein each subframe includes a plurality of symbols, at least one symbol in each subframe being used to support the physical
shared channel, which is different from said physical channel, and at least one symbol in each subframe being to support a
physical control channel associated with the physical shared channel,

wherein the at least one symbol to support the physical shared channel supports the physical shared channel in a first communication
cell supporting the second terminal device operating in a half-duplex communication mode,

wherein a symbol at the end of each subframe, which is different from said at least one symbol supporting the physical shared
channel and said at least one symbol supporting the physical control channel, supports the physical channel in a second communication
cell supporting the first terminal device operating in a full-duplex communication mode,

wherein the base station is in the second communication cell, and
wherein the physical shared channel provides for a communication rate higher than a maximum communication rate provided by
the physical channel.

US Pat. No. 9,357,540

MOBILE COMMUNICATIONS SYSTEM, INFRASTRUCTURE EQUIPMENT AND METHOD USING SHORT IDENTIFIER FOR RESOURCE SCHEDULING

SCA IPLA HOLDINGS INC, N...

1. A mobile communications network for communicating data to and/or from mobile terminals, the mobile communications network
comprising:
a base station including a transmitter and a receiver, the transmitter and receiver are configured to provide a wireless access
interface for communicating the data to and/or from the mobile terminals and a scheduler for allocating communications resources
of the wireless access interface to the mobile terminals for communicating the data;

the wireless access interface is configured to provide
a shared channel for communicating the data to and/or from the mobile terminals, the shared channel including repeating frames
that are divided in time into a plurality of units of communications resource, and the plurality of units of communications
resource are allocated by the scheduler of the base station to the mobile terminals, and

a shared control channel for communicating resource allocation messages to the mobile terminals; and
the mobile communications network is configured to
form super-frames that each comprise a sub-set of the plurality of units of communications resource of the shared channel
so that each of the super-frames is longer than an individual one of the repeating frames,

assign each of the mobile terminals into at least one group of a plurality of different groups, and
transmit control information providing for each of the mobile terminals in each of the plurality of different groups a short
identification number that is associated with an identification number allocated to each of the mobile terminals by the mobile
communications network, wherein

the base station is configured to use the short identification number to allocate a particular sub-set of the plurality of
units of communications resource, from a particular one of the super-frames, to each of the mobile terminals in a corresponding
group of the plurality of different groups,

the control information provides, for each of a plurality of mobile terminals in a first of the groups, a first short identification
number associated with the identification number allocated to the respective mobile terminal by the mobile communications
network for use in allocating the units of communications resource to the one or more mobile terminals in the first group
for the first super-frame,

the control information provides, for each of a plurality of mobile terminals in a second of the groups, a second short identification
number associated with the identification number allocated to the respective mobile terminal by the mobile communications
network for use in allocating the units of communications resource to the mobile terminals of the second group for a second
super-frame,

the second short identification number is different than the first short identification number, and
in the first super-frame, one of the short identification numbers is allocated to identify a different mobile terminal from
the mobile terminals in the second group of devices associated with the second super-frame.

US Pat. No. 9,516,625

METHODS AND APPARATUSES FOR COMMUNICATING CONTENT DATA TO A COMMUNICATIONS TERMINAL FROM A LOCAL DATA STORE

SCA IPLA HOLDINGS INC, N...

1. A communications terminal for receiving content data via data packets from a mobile communications network, the mobile
communications network including a core network part having a plurality of infrastructure equipment, and a radio network part
including at least one base station for providing a wireless access interface to communicate the data packets to the communications
terminal, the at least one base station including a local data store having stored therein content data, which has been received
from an applications server external to the mobile communications network via the core network, the communications terminal
comprising:
circuitry configured to:
communicate a request to access content data of the applications server, and
receive the content data, which has been inserted into the data packets at the at least one base station, from the local data
store of the at least one base station rather than from the applications server based on protocol mirroring between the communications
terminal and the at least one base station.

US Pat. No. 9,209,954

METHOD AND APPARATUS FOR CONTROLLING CARRIER SELECTION IN WIRELESS COMMUNICATIONS SYSTEMS

SCA IPLA HOLDINGS INC, N...

1. A mobile communications system comprising:
an arrangement of at least one base station configured to communicate data to and/or from different types of terminal device
via respective ones of a plurality of logically separate carriers of a wireless access interface;

a first terminal device operable to camp-on to a first carrier of the plurality of carriers and to subsequently communicate
data with the arrangement of at least one base station via the first carrier, and

a second terminal device operable to camp-on to a second carrier of the plurality of carriers and to subsequently communicate
data with the arrangement of at least one base station via the second carrier, wherein

the first and second carriers support compatible synchronisation signalling such that the first and second terminal devices
both have the ability to synchronise with the first and second carriers to begin a camp-on procedure, and wherein following
synchronisation with one of the first or second carriers to begin a camp-on procedure, the second terminal device is configured
to determine whether or not to continue with the camp-on procedure in dependence on an aspect of physical layer signalling
associated with a control channel of the carrier with which it has synchronised, and

the second device is configured to seek to synchronise with another carrier and begin another camp-on procedure in the event
the second device determines to not continue with the camp-on procedure with the carrier with which it has synchronised.

US Pat. No. 9,433,021

PAGING OFFLINE STATE TERMINALS

SCA IPLA HOLDINGS INC, N...

1. A mobile communications system, comprising:
one or more communications terminals; and
a mobile communications network, the mobile communications network includes a radio network part, a core network part, and
a virtual mobility manager, the radio network part having a plurality of base stations arranged to transmit data to and receive
data from the one or more communications terminals via a radio access interface, and the core network part having at least
one packet data network gateway arranged to route data to and receive data from the base stations of the radio network part
and a mobility manager arranged to track a location of the one or more communications terminals within the mobile communications
network for routing data to or receiving data from the one or more communications terminals via the radio network part in
accordance with context information which is stored for each of the one or more communications terminals, wherein

the virtual mobility manager is configured to receive an indication from a communications terminal that the communications
terminal is entering an offline state, the communications terminal being from among the one or more communications terminals,

the mobility manager is configured to transmit, to the virtual mobility manager when the communications terminal has entered
the offline state, the context information of the communications terminal with a first unique identifier associated with the
communication terminal, and

the virtual mobility manager is further configured to
generate a second unique identifier and communicate the second unique identifier to the communications terminal, and
store at least part of the context information of the communications terminal with the second unique identifier when the communications
terminal enters the offline state so that when a triggering event occurs when the communications terminal is in the offline
state, the virtual mobility manager pages the communications terminal in the offline state so that a communications bearer
establishes with the communications terminal using the stored context information, for communicating data after the communications
terminal has moved to an attached state.

US Pat. No. 9,521,659

METHODS AND APPARATUSES FOR COMMUNICATING CONTENT DATA TO A COMMUNICATIONS TERMINAL FROM A LOCAL DATA STORE

SCA IPLA HOLDINGS INC, N...

1. A mobile communications network comprising:
a core network part having a plurality of infrastructure equipment, and
a radio network part including a plurality of base stations for providing a wireless access interface for communicating data
packets to or from communications terminals, wherein the core network part or the radio network part includes a local data
store having stored therein content data, which has been received from an applications server via the core network part, and
at least one of the core network part and the radio network part is configured

to receive, from a communications terminal, a request to access the content data from the applications server,
to identify that the content data is stored in the local data store, and
to communicate the content data to the communications terminal from the local data store as if the content data had been communicated
from the applications server by transmitting signaling messages to the communications terminal in accordance with a communication
protocol indicating that the signaling messages were communicated from a packet data network gateway through which the applications
server is accessible.

US Pat. No. 9,516,633

INSERTING VIRTUAL CARRIER IN CONVENTIONAL OFDM HOST CARRIER IN COMMUNICATIONS SYSTEM

SCA IPLA HOLDINGS INC, N...

1. A method of allocating transmission resources in an OFDM wireless telecommunication system configured to communicate data
using a plurality of OFDM sub-carriers, the method comprising:
allocating transmission resources provided by a first group of the plurality of OFDM sub-carriers within a first frequency
band to terminals of a first type;

allocating transmission resources provided by a second group of the plurality of OFDM sub-carriers to terminals of a second
type within a second frequency band, the second group being smaller than the first group and the second frequency band being
selected from within the first frequency band;

transmitting control information comprising resource allocation information for terminals of the first type over a first bandwidth
corresponding to the combined first and second groups of OFDM sub-carriers in different OFDM symbols to transmission of control
information comprising resource allocation information for the terminals of the second type; and

transmitting control information comprising resource allocation information for terminals of the second type over a second
bandwidth corresponding to the second group of OFDM sub-carriers.

US Pat. No. 9,432,997

METHOD AND APPARATUS FOR CONTROLLING CARRIER SELECTION IN WIRELESS COMMUNICATIONS SYSTEMS

SCA IPLA HOLDINGS INC, N...

1. A mobile communications system comprising:
an arrangement of at least one base station configured to communicate data to and/or from different types of terminal device
via respective ones of a plurality of logically separate carriers of a wireless access interface;

a first terminal device operable to camp-on to a first carrier of the plurality of carriers and to subsequently communicate
data with the arrangement of at least one base station via the first carrier; and

a second terminal device operable to camp-on to a second carrier of the plurality of carriers and to subsequently communicate
data with the arrangement of at least one base station via the second carrier, wherein

the first and second carriers support compatible synchronisation signaling such that the first and second terminal devices
both have the ability to synchronize with the first and second carriers to begin a camp-on procedure, and

following synchronisation with one of the first or second carriers to begin a camp-on procedure, the second terminal device
is configured to determine whether or not to continue with the camp-on procedure in dependence on an aspect of a control channel
of the carrier with which it has synchronized.

US Pat. No. 9,692,534

CELLULAR COMMUNICATION SYSTEM, COMMUNICATION UNITS, AND METHOD FOR BROADCAST AND UNICAST COMMUNICATION

SCA IPLA Holdings Inc., ...

1. A method for supporting broadcast and unicast transmission in a wireless communication system that comprises a plurality
of communication cells, the method comprising:
generating, by a communication device, a radio frame in a physical resource, the radio frame including a plurality of unicast
sub-frames that use a first cell identifier; and

replacing, by the communication device, one of the unicast sub-frames in the radio frame with a broadcast sub-frame that uses
a second cell identifier, the remaining unicast sub-frames of the plurality of unicast sub-frames including unicast control
information, wherein

the first cell identifier is different to the second cell identifier.

US Pat. No. 9,456,435

COMMUNICATION UNITS AND METHODS FOR CONTROL CHANNEL CHANGE NOTIFICATION IN BROADCAST COMMUNICATION SYSTEM SUPPORTING CARRIER AGGREGATION

SCA IPLA HOLDINGS INC, N...

1. A method for supporting control channel change notification for at least one wireless communication unit that is capable
of operating on a first serving communication carrier and has been configured with access to at least one second serving communication
carrier in a wireless broadcast communication system, the method comprising, at a network element:
supporting communication with the at least one wireless communication unit via the at least one second serving communication
carrier;

generating a message comprising an indication that a control channel change notification will be sent in the at least one
first serving communication carrier;

transmitting the message to the at least one wireless communication unit operational in the at least one second serving communication
carrier; and

transmitting the control channel change notification in the first serving communication carrier.

US Pat. No. 9,380,569

MOBILE COMMUNICATIONS SYSTEM, INFRASTRUCTURE EQUIPMENT AND METHOD USING SHORT IDENTIFIER FOR RESOURCE SCHEDULING

SCA IPLA HOLDINGS INC, N...

1. A mobile communications network for communicating data to and/or from mobile terminals, the mobile communications network
comprising:
a base station including a transmitter and a receiver, the transmitter and receiver are configured to provide a wireless access
interface for communicating the data to and/or from the mobile terminals and a scheduler for allocating communications resources
of the wireless access interface to the mobile terminals for communicating the data;

the wireless access interface is configured to provide
a shared channel for communicating the data to and/or from the mobile terminals, the shared channel including repeating frames
that are divided in time into a plurality of units of communications resource, and the plurality of units of communications
resource are allocated by the scheduler of the base station to the mobile terminals, and

a shared control channel for communicating resource allocation messages to the mobile terminals; and
the mobile communications network is configured to
form super-frames that each comprise a sub-set of the plurality of units of communications resource of the shared channel
so that each of the super-frames is longer than an individual one of the repeating frames,

assign each of the mobile terminals into at least one group of a plurality of different groups, and
transmit control information providing for each of the mobile terminals in each of the plurality of different groups a short
identification number that is associated with an identification number allocated to each of the mobile terminals by the mobile
communications network, wherein

the base station is configured to use the short identification number to allocate a particular sub-set of the plurality of
units of communications resource, from a particular one of the super-frames, to each of the mobile terminals in a corresponding
group of the plurality of different groups,

the control information provides, for each of a plurality of mobile terminals in a first of the groups, a first short identification
number associated with the identification number allocated to the respective mobile terminal by the mobile communications
network for use in allocating the units of communications resource to the one or more mobile terminals in the first group
for the first super-frame,

the control information provides, for each of a plurality of mobile terminals in a second of the groups, a second short identification
number associated with the identification number allocated to the respective mobile terminal by the mobile communications
network for use in allocating the units of communications resource to the mobile terminals of the second group for a second
super-frame,

the second short identification number is different than the first short identification number, and
in the first super-frame, one of the short identification numbers is allocated to identify a different mobile terminal from
the mobile terminals in the second group of devices associated with the second super-frame.

US Pat. No. 9,414,358

COMMUNICATION UNITS AND METHODS FOR CONTROL CHANGE NOTIFICATION IN BROADCAST COMMUNICATION

SCA IPLA HOLDINGS INC, N...

1. A method for supporting cross carrier indication of a control channel change notification for at least one wireless communication
unit operating on a first serving communication cell, the at least one wireless communication unit configured with access
to a plurality of second serving communication cells in a wireless broadcast communication system, the method comprising:
generating, at a base station of the wireless broadcast communication system, a message comprising a broadcast service identifier,
the broadcast service identifier identifying an upcoming control channel change of a particular second serving communication
cell of the plurality of second serving communication cells accessible by the at least one wireless communication unit, the
broadcast service identifier being unique to the particular second serving communication cell and the broadcast service identifier
being different from a first broadcast service identifier associated with the first serving communication cell and each of
a plurality of broadcast service identifiers corresponding to the remaining second serving communication cells of the plurality
of second serving communication cells; and

transmitting the message to the at least one wireless communication unit, wherein
the wireless broadcast communication system supports a long term evolved (LTE) multicast broadcast multimedia service (MBMS),
each the plurality of broadcast service identifiers is mapped to a corresponding second serving communication cell of the
plurality of second serving communication cells according to higher layers of an LTE protocol stack, and

the plurality of second serving communication cells are separately ordered for each wireless communication unit of the at
least one wireless communication unit.

US Pat. No. 9,456,313

TELECOMMUNICATIONS APPARATUS AND METHODS

SCA IPLA HOLDINGS INC, N...

1. A method of operating a base station to control transmission of data to one or more terminal devices in a wireless telecommunications
system by a relay node for the base station, the method comprising:
transmitting the data to the relay node for transmission by the relay node to a terminal device of the one or more terminal
devices at a first time;

conveying a first predetermined indication to the relay node to indicate the relay node should attempt to store the data in
a cache at the relay node; and

subsequently conveying a second predetermined indication to the relay node to indicate the relay node should retrieve the
data from the cache and transmit the data to the terminal device at a second time.

US Pat. No. 9,608,784

INSERTING VIRTUAL CARRIER IN CONVENTIONAL OFDM HOST CARRIER IN COMMUNICATIONS SYSTEM

SCA IPLA HOLDINGS INC, N...

1. A base station that communicates with a plurality of terminals over a plurality of orthogonal frequency-division multiplexing
(OFDM) sub-carriers within a coverage area provided by the base station, the base station comprising:
circuitry configured to
allocate transmission resources provided by a first group of the plurality of OFDM sub-carriers within first frequency resources
to terminals of a first type;

allocate transmission resources provided by a second group of the plurality of OFDM sub-carriers within second frequency resources
to terminals of a second type, the second group being smaller than the first group and the second frequency resources being
a component within the first frequency resources;

transmit first control information with one or more first OFDM symbols over a first bandwidth corresponding to a combination
of the first and second groups of the plurality of OFDM sub-carriers, the first control information comprising first resource
allocation information for the terminals of the first type;

transmit second control information with one or more second OFDM symbols over a second bandwidth corresponding to the second
group of OFDM sub-carriers, the second control information comprising second resource allocation information for the terminals
of the second type; and

transmit first data with one or more third OFDM symbols over the second bandwidth, wherein
the OFDM sub-carriers are transmitted using a sub-frame structure,
the one or more first OFDM symbols are different from the one or more second OFDM symbols and the one or more third OFDM symbols,
and

the one or more second OFDM symbols are different from the one or more third OFDM symbols.

US Pat. No. 9,509,457

ALLOCATING RESOURCES AND TRANSMITTING DATA IN MOBILE TELECOMMUNICATION SYSTEMS COMPRISING MACHINE TYPE COMMUNICATION APPLICATIONS

SCA IPLA HOLDINGS INC, N...

1. A method of operating a base station for communicating data between the base station and a plurality of terminal devices
in a wireless telecommunications system using a plurality of Orthogonal Frequency Division Multiplex, OFDM, sub-carriers spanning
a first frequency bandwidth, the method comprising:
communicating network user traffic using a first group of the OFDM sub-carriers distributed across the first frequency bandwidth;
communicating no network user traffic using a second group of the OFDM sub-carriers distributed across a second frequency
bandwidth, wherein the second frequency bandwidth is smaller than and within the first frequency bandwidth; and

communicating control signaling traffic with the plurality of terminal devices using a combination of the first and second
groups of the OFDM sub-carriers.

US Pat. No. 9,585,122

TELECOMMUNICATIONS APPARATUS AND METHODS

SCA IPLA HOLDINGS INC, N...

1. A method of communicating data in a wireless telecommunications system, the method comprising:
transmitting data from a base station to a plurality of terminal devices in a multicast transmission; and
transmitting response signals from respective ones of the terminal devices to the base station in response to the multicast
transmission to indicate whether the respective terminal devices have successfully received the multicast transmission,

wherein at least one of said transmitting data from the base station and said transmitting response signals from respective
ones of the terminal devices is performed via a virtual carrier having a bandwidth less than a bandwidth of a host carrier
carrying the virtual carrier,

wherein an amount of processing associated with the virtual carrier is less than an amount of processing associated with the
host carrier, and

wherein a virtual carrier control region is provided in at least two consecutive final symbols of the virtual carrier.

US Pat. No. 9,661,620

MOBILE TERMINAL AND METHOD USING SHORT IDENTIFIER FOR RESOURCE SCHEDULING

SCA IPLA HOLDINGS INC, N...

1. A mobile terminal for use in a mobile communications network, the mobile terminal comprising:
a transmitter and a receiver which are configured to transmit and to receive data via a wireless access interface for communicating
the data to and/or from a base station of the mobile communications network, the wireless access interface providing

a shared communications channel for communicating the data to or from the mobile communications network, the shared channel
being divided in time into units of communications resource which are allocated by a scheduler of the base station to the
mobile terminal, and

a shared control channel for receiving a resource allocation message from the base station, wherein
the mobile terminal is configured
to receive control information providing the mobile terminal with a short identification number in association with an identification
number allocated to the mobile terminal by the mobile communications network, the short identification number being allocated
to the mobile terminal by the mobile communications network for one super-frame which comprises a plurality of the units of
communications resource of the shared channel, the short identification number being allocated to the mobile terminal as one
member of a group of mobile terminals, and

to receive the resource allocation message which includes the short identification number to identify the mobile terminal
and to allocate units of the communications resource to the mobile terminal in the one super-frame, wherein

the control information provides correspondences between a set of identification numbers allocated to a plurality of mobile
terminals including the identification number allocated to the mobile terminal and a set of short identification numbers allocated
to the a plurality of mobile terminals including the short identification number allocated to the mobile terminal and is updated
on a per super-frame basis.

US Pat. No. 9,538,510

UPLINK RESOURCE ALLOCATION FOR RELAY NODE BASED COMMUNICATION

SCA IPLA HOLDINGS INC, N...

1. A wireless communications system, comprising:
a base station;
a relay device; and
a terminal device; wherein
the terminal device is operable
to receive from the base station an allocation of uplink resources for transmitting uplink data to the relay device;
to transmit uplink data to the relay device using the uplink resources allocated to the terminal device;
the relay device is operable
to receive the transmitted uplink data from the terminal device on the allocated resources;
to receive an allocation of uplink resources for relaying the received uplink data to the base station;
to add a relay header to the uplink data received from the terminal device, the relay header comprising control information
for controlling the transmission of subsequent messages from the terminal device to the relay device; and

to relay the received uplink data having the relay header added to the base station using the uplink resources allocated to
the relay device.

US Pat. No. 9,750,024

INSERTING VIRTUAL CARRIER IN CONVENTIONAL OFDM HOST CARRIER IN COMMUNICATIONS SYSTEM

SCA IPLA HOLDINGS INC, N...

1. An electronic device comprising:
circuitry configured to
communicate with the mobile communications devices via a plurality of resource elements across a first range of system resource
blocks;

transmit data to a first group of mobile communications devices, wherein the data is distributed within the plurality of resource
elements across the first range of system resource blocks;

provide a virtual carrier including one or more resource elements across a second range of system resource blocks which is
within and smaller than the first range; and

transmit data for a second group of mobile communications devices via the virtual carrier, wherein
the second range of system resource blocks includes fewer than one hundred resource blocks.

US Pat. No. 9,635,665

METHOD AND APPARATUS FOR TEMPORARILY AND DYNAMICALLY ALLOCATING RADIO RESOURCES TO MACHINE-TYPE-COMMUNICATION DEVICES AND HUMAN-TO-HUMAN DEVICES

SCA IPLA HOLDINGS INC, N...

1. A method of operating a wireless communication system, the method comprising:
arranging for one or more machine type communication (MTC) devices to communicate MTC data via a radio interface by using
radio resources of the radio interface, the radio resources including an uplink and a downlink of a first radio carrier of
the radio interface;

arranging for one or more human-to-human (H2H) devices to communicate H2H data via the radio interface;
monitoring a volume of the H2H data transmitted via the first radio carrier;
determining a duration of a specified data transmission period based on the volume of the H2H data transmitted via the radio
interface, the specified transmission period being a period in which transmission of H2H data is restricted;

transmitting the duration of the specified data transmission period to the one or more MTC devices;
restricting use of the radio resources by the one or more H2H devices during the specified data transmission period by allocating
more of the radio resources to the one or more MTC devices than to the one or more H2H devices;

restricting use of the radio resources by the one or more MTC devices outside of the specified data transmission period by
allocating more of the radio resources outside of the specified data transmission period to the one or more H2H devices than
to the MTC devices; and

transmitting, during a predefined handover period of time prior to a start time of the specified data transmission period,
an indication to the one or more H2H devices that the one or more H2H devices are to cease transmission of the H2H data on
the first radio carrier during the specified data transmission period and to transmit the H2H data on a second radio carrier
during the specified data transmission period, wherein

at least one of the one or more MTC devices determines whether to transmit MTC data during the specified data transmission
period based on the duration of the specified data transmission period and a size of the MTC data.

US Pat. No. 9,560,636

WIRELESS COMMUNICATIONS SYSTEM AND METHOD

SCA IPLA HOLDINGS INC, N...

1. A terminal device for wirelessly communicating data to and from a base station via one or more of a plurality of intermediate
devices within a wireless communications system, the terminal device comprising:
reception circuitry configured to wirelessly receive, directly from the base station, downlink signals including terminal
control signals that identify a target device to which the terminal device is to direct uplink signals intended for the base
station, the target device being one of the intermediate devices; and

transmission circuitry configured to wirelessly transmit the uplink signals to the target device for subsequent transmission
to the base station, wherein

the reception circuitry is further configured to
receive an acknowledgement message from the target device, the acknowledgement message indicating that the uplink signal is
successfully received by the target device, and

receive, directly from the base station, a second acknowledgement message indicating that the uplink signal is successfully
received by the base station.

US Pat. No. 9,559,818

COMMUNICATIONS TERMINAL AND METHOD

SCA IPLA HOLDINGS INC, N...

1. A communications terminal for communicating data with a communications network, the communications terminal comprising:
processing circuitry configured to
establish, in co-operation with the communications network, a communications bearer for communicating the data, the communications
bearer including a radio communications channel between the communications terminal and a serving base station of the communications
network; and

receive the data from the serving base station via the radio communications channel, wherein
the serving base station forms a co-operating set with a co-operating base station, and
to receive the data, the processing circuitry is configured to
determine a first state of the radio communications channel between the serving base station and the communications terminal
and a second state of a second radio communications channel between the co-operating base station and the communications terminal;

communicate the determined first and second states to the serving base station;
receive the data selectively from one or both of the serving base station or the co-operating base station, based on the first
and second states, via a wireless access interface under the control of the serving base station;

determine a rate of change of the second state of the second radio communications channel between the co-operating base station
and the communications terminal; and

receive, based on predetermined conditions, data from the co-operating base station, the co-operating base station having
received the data via a second communications bearer, wherein

the predetermined conditions include the rate of change of the second state of the second communications channel,
the second communications bearer is established from the communications network to the co-operating base station, and
the second communications bearer is for communicating the data to the co-operating base station.

US Pat. No. 9,801,183

METHOD AND APPARATUS FOR CONTROLLING CARRIER SELECTION IN WIRELESS COMMUNICATIONS SYSTEMS

SCA IPLA HOLDINGS INC, N...

1. A method of assisting carrier access in a wireless communication system performed by a base station, which is configured
to communicate data to and/or from at least two different types of terminal devices via a wireless access interface, the method
comprising:
broadcasting synchronisation signaling on a first carrier of the wireless access interface in a format that allows the two
different types of terminal devices to synchronize with the first carrier to begin a camp-on procedure;

transmitting system information associated with a camp-on procedure on the first carrier of the wireless access interface,
wherein

at least a portion of the system information indicates to a first terminal device of the two different types of terminal devices
whether the first terminal device is allowed to camp-on the first carrier.

US Pat. No. 9,622,166

WIRELESS COMMUNICATIONS SYSTEM AND METHOD

SCA IPLA HOLDINGS INC, N...

1. A wireless communications system, comprising:
a base station;
a plurality of intermediate devices; and
a terminal device;
wherein the base station is configured to wirelessly transmit downlink signals to the terminal device, the downlink signals
comprising terminal control signals identifying a first intermediate device as a target device to which the terminal device
is to direct uplink signals intended for the base station,

wherein the terminal device is configured to wirelessly transmit the uplink signals to the base station via the first intermediate
device identified by the terminal control signals,

wherein, when the uplink signals from the terminal device to the base station are to be routed via more than one intermediate
device, the base station is configured to wirelessly transmit intermediate control signals to the first intermediate device
via which the uplink signals are to be routed from the terminal device to the base station, the intermediate control signals
indicating a second intermediate device as a target device to which the first intermediate device is to direct the uplink
signals, and

wherein the first intermediate device is configured to wirelessly transmit the uplink signals received from the terminal device
to the second intermediate device identified by the intermediate control signals.

US Pat. No. 9,974,069

TELECOMMUNICATIONS METHOD AND SYSTEM

SCA IPLA HOLDINGS INC, N...

1. A method performed by a network apparatus for communicating data to and/or from mobile units, the method comprising:providing a wireless access interface within one or more frequency bands to communicate data to or from the mobile units;
providing a plurality of logically separate carriers for transmitting data to mobile units, wherein a carrier comprises physical resources within the one or more frequency bands of the wireless access interface, wherein a first carrier of the plurality of carriers is provided to communicate with a first group of one or more mobile units and a second carrier of the plurality of carriers is provided to communicate with a second group of one or more mobile units;
providing common information on the first carrier, the common information being for at least one mobile unit in the first group and for at least one mobile unit in the second group;
providing allocation information in the first carrier, the allocation information comprising an indication of the location of the common information within the first carrier; and
providing allocation information in the second carrier, the allocation information comprising an indication of the location of the common information within the first carrier.

US Pat. No. 10,129,890

RELAY DEVICE AND METHOD

SCA IPLA HOLDINGS INC., ...

1. A relay device for wirelessly relaying data from a terminal device to a base station, the relay device comprising:a receiver configured to receive, from a terminal device, a plurality of first Random Access Channel (RACH) preambles, which are selected from a first group of RACH preambles, and at least one second RACH preamble, which is selected from a second group of RACH preambles that is different from the first group of RACH preambles; and
a transmitter, responsive to the at least one second RACH preamble being received at the receiver from the terminal device to transmit a relayed access request message to the base station to request the base station to allocate uplink resources to the terminal device,
wherein the relay device is configured to determine an identifier for the terminal device based on a position of a time and frequency resource including the at least one second RACH preamble.

US Pat. No. 9,756,567

TELECOMMUNICATIONS APPARATUS AND METHODS FOR COMMUNICATING WITH A FIRST AND A SECOND TYPE OF DEVICES

SCA IPLA HOLDINGS INC, N...

1. A wireless telecommunications system comprising:
a base station;
a first terminal device; and
a second terminal device,
wherein the first terminal device is a terminal device of a first type and the second terminal device is a terminal device
of a second type, the second type being different from the first type,

wherein the base station is configured to communicate data that is specific to the first terminal device in a synchronous
manner and to communicate data that is specific to the second terminal device in a non-synchronous manner,

wherein the base station is configured to communicate the data that is specific to the second terminal device in a packet
format including a payload portion that encompasses an indication of resources that are not used to convey the data that is
specific to the second terminal device, and

wherein both the data that is specific to the first terminal device and the data that is specific to the second terminal device
are communicated by the base station within a same radio frame.

US Pat. No. 9,967,869

TELECOMMUNICATIONS METHOD AND SYSTEM

SCA IPLA HOLDINGS INC, N...

1. A machine-type communication (MTC) device configured to communicate data to and/or from base stations, the device being:arranged to communicate data with one or more base stations via a wireless access interface provided by the one or more base stations, wherein the wireless access interface includes at least 1200 subcarriers and the MTC device is only configured to communicate data to and/or from the base station over a bandwidth equal to or less than 72 subcarriers;
arranged to receive, in a virtual carrier formed of a first subset of 72 or fewer subcarriers of the 1200 subcarriers in a first sub-frame, allocation information comprising an indication of a location of common information for the MTC device within a first carrier formed of a second subset of 72 or fewer subcarriers of the 1200 subcarriers that do not overlap a frequency range of the virtual carrier in a second sub-frame that immediately follows the first sub-frame; and
arranged to access the common information in the first carrier of the second sub-frame based on the allocation information included in the virtual carrier of the first sub-frame,
wherein the common information comprises a first portion including information that is accessible by devices using the first carrier and devices using the virtual carrier, a second portion including information that is accessible only by one or more devices using only the first carrier, and a third portion including information that is accessible only by one or more devices using only the virtual carrier, wherein a first set of resources allocated to the first portion is greater than a second set of resources allocated to the second portion, and the second set of resources is greater than a third set of resources allocated to the third portion, and wherein amounts of each one of the first, second, and third set of resources are dependent on one another.

US Pat. No. 9,980,276

DEVICE AND METHOD FOR COMMUNICATION USING A COMMON IDENTIFIER

SCA IPLA HOLDINGS INC., ...

1. A communication device for communicating data via a mobile radio network, the communication device comprising:circuitry configured to
store information which identifies the communication device to the mobile radio network, wherein
the information includes a common identifier that is provided to each communication device of an associated group of communication devices,
the common identifier is used to establish a communication session to communicate data with any of the associated communication group of devices,
the mobile radio network provides a wireless access interface which includes a random access communication channel for uplink transmission of a burst of signals,
the circuitry is configured to transmit a random access burst in the random access communication channel in accordance with a predetermined arrangement,
the communication device is provided with a unique one of a set of predefined sequences of data for use in forming the random access burst for transmission in the random access channel of the wireless access interface, and
the circuitry is configured to receive a signaling message in response to the random access burst, using the unique data sequence which was used to form the random access burst.

US Pat. No. 9,961,700

MOBILE COMMUNICATIONS SYSTEM, INFRASTRUCTURE EQUIPMENT, MOBILE COMMUNICATIONS TERMINAL AND METHOD TO COMMUNICATE USER DATA WITHIN AN UPLINK RANDOM ACCESS CHANNEL

SCA IPLA HOLDINGS INC., ...

1. A mobile communications terminal, comprising:circuitry configured to
communicate via an uplink random access channel to transmit random access messages to one or more base stations;
encode at least one of a binary number by sending a random access message in an even-numbered sub-frame of the uplink random access channel and encode at least another of the binary number by sending another random access message in an odd-numbered sub-frame of the uplink random access channel for encoding at least part of user data; and
communicate the user data via the uplink random access channel by transmitting the random access messages encoded with the at least part of the user data.

US Pat. No. 9,942,911

DEVICE AND METHOD FOR COMMUNICATION USING A COMMON IDENTIFIER

SCA IPLA HOLDINGS INC., ...

1. A communication device for communicating data via a mobile radio network, the communication device comprising:circuitry configured to
store information which identifies the communication device to the mobile radio network, wherein
the information includes a common identifier that is provided to each communication device of an associated group of communication devices,
the common identifier is used to establish a communication session to communicate data with any of the associated communication group of devices,
the mobile radio network provides a wireless access interface which includes a random access communication channel for uplink transmission of a burst of signals,
the circuitry is configured to transmit a random access burst in the random access communication channel in accordance with a predetermined arrangement,
the communication device is provided with a unique one of a set of predefined sequences of data for use in forming the random access burst for transmission in the random access channel of the wireless access interface, and
the circuitry is configured to receive a signaling message in response to the random access burst, using the unique data sequence which was used to form the random access burst.

US Pat. No. 10,154,489

TELECOMMUNICATIONS METHOD AND SYSTEM

SCA IPLA HOLDINGS INC., ...

1. A method of operating a wireless communication system having a radio interface which has radio resources, the method comprising:restricting use of the radio resources by human-to-human (H2H) communication devices during a specified data transmission period by allocating more of the radio resources to one or more machine type communication (MTC) devices than to the H2H communication devices; and
restricting use of the radio resources by the one or more MTC devices outside of the specified data transmission period by allocating more of the radio resources to the H2H communication devices than to the one or more MTC devices, wherein
the H2H communication devices are divided into a plurality of groups and, during a handover period prior to the specified data transmission period, each group of H2H communication devices ceases transmitting H2H data on a first radio carrier and instead transmits H2H data on a second radio carrier at a different point in time during the handover period.

US Pat. No. 9,930,658

METHOD AND BASE STATIONS FOR TRANSMITTING PHYSICAL-LAYER CONTROL INFORMATION AND HIGHER-LAYER DATA TO A TERMINAL DEVICE

SCA IPLA HOLDINGS INC, N...

16. A base station for communicating data with terminal devices in a wireless telecommunications system using a plurality of sub-carriers spanning a system frequency band, the base station comprising:a processor;
a transceiver configured to:
transmit physical-layer control information for a terminal device using sub-carriers selected from across the system frequency band;
transmit higher-layer data for the terminal device using sub-carriers allocated from within a predetermined restricted frequency band, wherein the restricted frequency band is smaller than and within the system frequency band; and
communicating with the terminal device to share an indication of the sub-carriers allocated from within the restricted frequency band in association with a System Information Block (SIB) of the wireless telecommunications system.

US Pat. No. 9,860,780

COMMUNICATIONS TERMINAL AND METHOD OF COMMUNICATING

SCA IPLA HOLDINGS INC, N...

1. A communications terminal for communicating data to and receiving data from a mobile communications network, the mobile
communications network including a first base station, a second base station and a load balancer, the first base station configured
to provide a low bandwidth communications interface formed from a low bandwidth carrier for communicating the data to or receiving
the data from the communications terminal, and the second base station configured to provide a high bandwidth communications
interface formed from a high bandwidth carrier for communicating the data to or receiving the data from the communications
terminal, the communications terminal comprising:
circuitry configured to:
attach for communication to the high bandwidth communications interface provided by the second base station according to a
first radio access technology; and

in response to receiving a load balancing command from the load balancer, detach from the high bandwidth communications interface
provided by the second base station and re-attach to the low bandwidth communications interface provided by the first base
station according to the first radio access technology for communicating the data to or from the mobile communications network
via the low bandwidth communications interface without checking, by the circuitry, whether the detaching and the re-attaching
are necessary, wherein

the mobile communications network load balancer performs a load balancing process and transmits load balancing commands including
the load balancing command to optimize utilization of communications resources on the low bandwidth carrier.

US Pat. No. 9,860,032

INSERTING VIRTUAL CARRIER IN CONVENTIONAL OFDM HOST CARRIER IN COMMUNICATIONS SYSTEM

SCA IPLA HOLDINGS INC, N...

1. A method of allocating transmission resources in an OFDM wireless telecommunication system arranged to communicate data
using a plurality of OFDM sub-carriers, the method comprising:
allocating transmission resources provided by a first group of the plurality of OFDM sub-carriers within a first physical
resource block to terminals of a first type;

allocating transmission resources provided by a second group of the plurality of OFDM sub-carriers to terminals of a second
type within a second physical resource, the second group being smaller than the first group and the second physical resource
block being selected from within the first physical resource block;

transmitting control information comprising resource allocation information for terminals of the first type over a first bandwidth
corresponding to the combined first and second groups of OFDM sub-carriers in different OFDM symbols to transmission of control
information comprising resource allocation information for the terminals of the second type; and

transmitting control information comprising resource allocation information for terminals of the second type over a second
bandwidth corresponding to the second group of OFDM sub-carriers.

US Pat. No. 10,178,662

TELECOMMUNICATIONS SYSTEMS AND METHODS FOR MACHINE TYPE COMMUNICATION

SCA IPLA HOLDINGS INC., ...

27. A mobile terminal for communicating data in a third-generation partnership (3GPP) standard-compliant wireless telecommunications system, wherein the mobile terminal is configured to:receive an indication of a restricted frequency band corresponding to a Physical Downlink Shared Channel (PDSCH) through Radio Resource Control (RRC) signaling;
receive physical-layer control information received using a first group of symbols within a first system frequency bandwidth corresponding to a Physical Downlink Control Channel (PDCCH);
receive higher-layer data received using a second group of the symbols spanning a second system frequency bandwidth corresponding to the PDSCH, wherein the number of the symbols in the second group is less than the number of the symbols available for transmitting higher-layer data to other terminal devices, and the second system frequency bandwidth is smaller than and within the first system frequency bandwidth;
process the physical-layer control information to determine an allocation of higher-layer data for the terminal device within the second group of the symbols; and
process the higher-layer data to extract the allocated higher-layer data for the terminal device from the second group of the symbols, wherein the higher-layer data comprises user-plane data.

US Pat. No. 9,949,253

TELECOMMUNICATIONS SYSTEMS AND METHODS FOR MACHINE TYPE COMMUNICATION

SCA IPLA HOLDINGS INC, N...

2. A mobile terminal for communicating data with a base station in a wireless telecommunications system using subframes comprising a plurality of symbols, wherein the mobile terminal is configured to:receive and buffer physical-layer control information transmitted by the base station in a subframe using a first group of the symbols spanning a first system frequency bandwidth;
receive and buffer higher-layer data transmitted by the base station in the subframe using a second group of the symbols spanning a second system frequency bandwidth, wherein the number of the symbols in the second group is less than the number of the symbols of the subframe available for transmitting higher-layer data to other terminal devices, and the second system frequency bandwidth is smaller than and within the first system frequency bandwidth;
process the buffered physical-layer control information to determine an allocation of higher-layer data for the terminal device within the second group of the symbols in the subframe; and
process the buffered higher-layer data to extract the allocated higher-layer data for the terminal device from the second group of the symbols in the subframe.

US Pat. No. 10,182,425

WIRELESS COMMUNICATIONS SYSTEM AND METHOD

SCA IPLA HOLDINGS INC., ...

1. An intermediate device for wirelessly relaying data within a wireless communications system, the intermediate device comprising:a receiver configured to
wirelessly receive, from a base station in the wireless communications system, first intermediate control signals that identify a second intermediate device as a target device of the intermediate device to which the intermediate device is to transmit uplink signals intended for the base station; and
wirelessly receive the uplink signals from a third intermediate device; and
a transmitter configured to wirelessly transmit the uplink signals to the target device, wherein
the third intermediate device receives, from the base station, second intermediate control signals that are different the first intermediate control signals and that identify the intermediate device as a target device of the third intermediate device to which the third intermediate device transmits the uplink signals.

US Pat. No. 9,973,258

WIRELESS COMMUNICATIONS SYSTEM AND METHOD

SCA IPLA HOLDINGS INC, N...

1. A relay device for wirelessly relaying data from a terminal device to a base station, the relay device comprising:a receiver configured to receive, from the terminal device, uplink data transmitted on resources allocated to the terminal device by the base station; and
a transmitter configured to transmit a relayed preamble message and the received uplink data to the base station using uplink resources allocated to the relay device, wherein
the relayed preamble message includes at least a timing advance part, a random access preamble identifier and power control information, and
the base station transmits, to the terminal, a random access response (RAR) message that includes at least an allocation of uplink resources and the power control information.

US Pat. No. 9,923,681

MOBILE COMMUNICATIONS NETWORK, INFRASTRUCTURE EQUIPMENT AND METHOD

SCA IPLA HOLDINGS INC, N...

1. A mobile communications network for communicating data to and/or from one or more communications terminals, the mobile
communications network comprising:
a core network part including infrastructure equipment and a serving gateway; and
a radio network part including a plurality of base stations that provide a wireless access interface for communicating the
data to and/or from the one or more communications terminals, each base station of the plurality of base stations being separate
from the infrastructure equipment and the serving gateway, wherein

at least one of the plurality of base stations is configured to:
operate as a serving base station to a first communications terminal of the one or more communications terminals;
establish, in co-operation with the first communications terminal, a first communications bearer to the first communications
terminal for communicating user data to and/or from the first communications terminal; and

co-operate with a co-operating base station of the plurality of base stations to communicate the user data to and/or from
the first communications terminal,

the co-operating base station is configured to:
receive the user data for communicating with the first communications terminal via an interface between the serving base station
and the co-operating base station; and

selectively transmit the user data to the first communications terminal according to a state of a radio communications channel
established via the wireless access interface between the co-operating base station and the first communications terminal,

the serving gateway is configured to:
monitor the state of the radio communications channel;
determine whether the state of the radio communications channel satisfies predetermined conditions; and
when the serving gateway determines that the state of the radio communications channel satisfies the predetermined conditions:
establish a second communications bearer from the core network to the co-operating base station for communicating the user
data to the co-operating base station for transmitting the user data by the co-operating base station to the first communications
terminal; and

control the serving base station to execute a handover of transmitting the user data to the co-operating base station; and
discontinue the second communications bearer when the state of the radio communications channel no longer satisfies the predetermined
conditions, and

the predetermined conditions include at least one of
a set-up time for establishing the first communications bearer,
a quality of service which is required to communicate the user data to the first communications terminal,
a rate of change of the state of the radio communications channel, and
an integration time for which the state of the radio communications channel remains within a predetermined communications
quality range.

US Pat. No. 9,912,450

INSERTING VIRTUAL CARRIER IN CONVENTIONAL OFDM HOST CARRIER IN COMMUNICATIONS SYSTEM

SCA IPLA HOLDINGS INC, N...

1. A mobile telecommunications system, comprising:
a first mobile terminal of a first type, the first mobile terminal configured to transmit uplink data on a first group of
sub-carriers over a first bandwidth, and to transmit a first random access message on a first random access channel; and

a second mobile terminal of a second type, the second mobile terminal configured to transmit uplink data on a second group
of sub-carriers over a second bandwidth, and to transmit a second random access message on a second random access channel,
wherein

the first random access message includes a first random access preamble indicating that the first random access message is
from the first mobile terminal,

the second random access message includes a second random access preamble, different from the first random access preamble,
indicating that the second random access message is from the second mobile terminal,

the second group of sub-carriers is within the first group of sub-carriers,
the second bandwidth is smaller than the first bandwidth,
the second random access channel is positioned on a sub-set of sub-carriers within and smaller than the second group of sub-carriers,
the second group of sub-carriers forms a virtual carrier within the first bandwidth, and
sub-carriers of the first group of sub-carriers, not including the second group of sub-carriers, form a host carrier.

US Pat. No. 10,200,972

TELECOMMUNICATIONS APPARATUS AND METHODS

SCA IPLA HOLDINGS INC., ...

1. A method of communicating data in a wireless telecommunications system, the method comprising:transmitting data from a base station to a plurality of terminal devices in a multicast transmission; and
transmitting response signals from respective ones of the terminal devices to the base station in response to the multicast transmission to indicate whether the respective terminal devices have successfully received the multicast transmission,
wherein at least one of said transmitting data from the base station and said transmitting response signals from respective ones of the terminal devices is performed via a narrow-band carrier having a bandwidth less than a bandwidth of a conventional carrier carrying the narrow-band carrier,
wherein the narrow-band carrier is a continuous band within the conventional carrier, and
wherein the narrow-band carrier is treatable as logically distinct from data transmitted in parts of the conventional carrier other than in the narrow-band carrier, such that data transmitted on the narrow-band carrier is decodable without decoding all control data of the conventional carrier.

US Pat. No. 10,299,274

INSERTING VIRTUAL CARRIER IN CONVENTIONAL OFDM HOST CARRIER IN COMMUNICATIONS SYSTEM

SCA IPLA HOLDINGS INC., ...

1. An electronic device comprising:circuitry configured to
locate, within a wireless access interface provided by a base station, a virtual carrier that includes a first plurality of resource elements across a first range of system resource blocks which is within and smaller than a second range of system resource blocks that span a system frequency bandwidth;
decode a control portion within the virtual carrier, the control portion identifying resource elements within the virtual carrier that are allocated to the electronic device;
locate the allocated resource elements within the virtual carrier based on the decoded control portion; and
receive data transmitted by the base station by decoding the allocated resource elements within the virtual carrier.

US Pat. No. 10,299,294

MOBILE COMMUNICATIONS SYSTEM, INFRASTRUCTURE EQUIPMENT, MOBILE COMMUNICATIONS TERMINAL AND METHOD TO COMMUNICATE USER DATA WITHIN AN UPLINK RANDOM ACCESS CHANNEL

SCA IPLA HOLDINGS INC, N...

1. A mobile terminal comprising:a communication interface configured to communicate with one or more base stations via a radio interface, wherein the mobile communication terminal is configured to use an uplink random access channel of the radio interface to transmit random access messages to the one or more base stations; and
a processor configured to communicate user data via the uplink random access channel by controlling the communication interface to transmit one or more of the random access messages at a selected timing within the uplink random access channel, the timing being selected to represent at least part of the user data,
wherein:
the one or more base stations are configured to detect whether user data is communicated via a random access message upon reception of the random access message, and
the one or more base stations are configured, after reception of a capability message including an indication of a capability of the mobile terminal, to detect whether user data is communicated via the random access message at least using a capability indicated in the capability message, wherein the capability message may be sent at least by the mobile terminal or by a central user database.

US Pat. No. 10,251,164

UPLINK RESOURCE ALLOCATION FOR RELAY NODE BASED COMMUNICATION

SCA IPLA HOLDINGS INC., ...

1. A wireless communications system, comprising:a base station;
a relay device; and
a terminal device; wherein
the terminal device is configured to:
receive from the base station on a shared channel an allocation of uplink resources for transmitting uplink data to the relay device; and
transmit uplink data to the relay device using the uplink resources allocated to the terminal device;
the relay device is configured to:
monitor the shared channel and detect an allocation of uplink resources transmitted from the base station to the terminal device on the shared channel;
receive the transmitted uplink data from the terminal device on the allocated resources detected from the shared channel;
receive an allocation of uplink resources for relaying the received uplink data to the base station; and
transmit the received uplink data to the base station using the uplink resources allocated to the relay device.

US Pat. No. 10,231,224

WIRELESS COMMUNICATIONS SYSTEM AND METHOD

SCA IPLA HOLDINGS INC, N...

1. A terminal device for wirelessly communicating data to and from a base station via one or more of a plurality of intermediate devices within a wireless communications system, the terminal device comprising:reception circuitry configured to wirelessly receive, directly from base station, downlink signals including terminal control signals that identify a target device to which the terminal device is to direct uplink signals intended for the base station, the target device being one of the intermediate devices; and
transmission circuitry configured to wirelessly transmit the uplink signals to the target device for subsequent transmission to the base station, wherein
the reception circuitry is further configured to receive an acknowledgement message from the base station, the acknowledgement message indicating that the uplink signals have been successfully relayed from the target device to the base station.

US Pat. No. 10,070,440

INSERTING VIRTUAL CARRIER IN CONVENTIONAL OFDM HOST CARRIER IN COMMUNICATIONS SYSTEM

SCA IPLA HOLDINGS INC, N...

1. A method of communicating data in a mobile communications system, the method comprising:receiving, by a mobile terminal, a signal on a downlink from a base station;
detecting a virtual carrier on the downlink; and
receiving downlink communications via the virtual carrier,
wherein the virtual carrier is configured to provide a first set of resource elements within first frequency resources that are within and smaller than second frequency resources that are used by a host carrier to provide a second set of resource elements,
wherein the virtual carrier is provided in the first frequency resources in a first sub-frame,
wherein the virtual carrier is provided in third frequency resources in a second sub-frame after the first sub-frame, and
wherein the third frequency resources are within and smaller than the first frequency resources.

US Pat. No. 9,526,088

WIRELESS COMMUNICATIONS SYSTEM AND METHOD

SCA IPLA HOLDINGS INC, N...

1. A relay device for wirelessly relaying data from a terminal device to a base station, the relay device comprising:
circuitry configured to
receive, from the terminal device, uplink data transmitted on resources allocated to the terminal device by the base station;
set power control information for controlling a power level of a subsequent transmission from the terminal device to the relay
device;

add a relay header to the uplink data received from the terminal device, the relay header including the power control information;
and

transmit the uplink data, including the relay header, to the base station using uplink resources allocated to the relay device.

US Pat. No. 9,526,090

WIRELESS COMMUNICATIONS SYSTEM AND METHOD

SCA IPLA HOLDINGS INC, N...

1. A terminal device for wirelessly communicating data to and from a base station via one or more of a plurality of intermediate
devices within a wireless communications system, the terminal device comprising:
reception circuitry configured to wirelessly receive, directly from the base station, downlink signals including terminal
control signals that identify a target device to which the terminal device is to direct uplink signals intended for the base
station, the target device being one of the intermediate devices; and

transmission circuitry configured to wirelessly transmit the uplink signals to the target device for subsequent transmission
to the base station, wherein

the reception circuitry is further configured to
receive an acknowledgement message from the target device, the acknowledgement message indicating that the uplink signal is
successfully received by the target device, and

receive, directly from the base station, a second acknowledgement message indicating that the uplink signal is successfully
received by the base station.

US Pat. No. 9,474,092

INFRASTRUCTURE EQUIPMENT AND METHOD

SCA IPLA HOLDINGS INC, N...

1. An infrastructure equipment for forming part of a mobile radio network, the infrastructure equipment including
a transceiver configured to transmit and receive data to and from communications devices via a wireless access interface,
and

a controller configured to
process requests for communications resources from the communications devices, wherein a plurality of associated communications
devices are arranged to form each of plural groups, and each of the associated communications devices of a respective group
includes the same common identifier,

respond to a request from one of the communications devices of the respective group to establish a communications session
using the common identifier, the communications session being used to communicate data to and from any of the communications
devices of the respective group,

provide each of the communications devices within each of the plural groups of associated communications devices with a unique
one of a set of predefined sequences of data for use in forming a random access burst for transmission in a random access
channel of the wireless access interface, a different set of predefined sequences being uniquely associated with each respective
group, and

transmit a message in response to a random access burst, using the predefined sequence which was used to form the random access
burst received from a communications device.