US Pat. No. 9,629,171

METHOD FOR MILLIMETER WAVE BEAM TRACKING

IDAC Holdings, Inc., Wil...

1. A method for use in a base station (BS) for handover of a communication link from a primary beam, the method comprising:
establishing a communication link with a wireless transmit/receive unit (WTRU), wherein the communication link uses a primary
beam;

transmitting a request to the WTRU to perform at least one directional signal strength measurement on at least one signal
received by the WTRU;

transmitting a request to the WTRU to provide location data associated with the WTRU;
receiving at least one performed directional signal strength measurement from the WTRU;
receiving location data associated with the WTRU;
generating a directional radio environment map (DREM) based on the at least one received directional signal strength measurement
from the WTRU and the received location data associated with the WTRU; and

performing a handover of the communication link from the primary beam to a secondary beam, on a condition that the primary
beam is disrupted, wherein the secondary beam is selected based on the generated DREM.

US Pat. No. 9,692,629

RESOURCE BLOCK BASED MULTICARRIER MODULATIONS FOR AGILE SPECTRUM

IDAC Holdings, Inc., Wil...

1. A method for performing multicarrier modulation in a wireless communication device, the method comprising:
receiving a multicarrier modulated signal that were filtered and windowed;
formatting the received multicarrier modulated signal into a plurality of per-resource block (RB) multicarrier modulated signals;
performing RB de-modulation, according to one or more schemes, on each of the plurality of per-RB multicarrier modulated signals
to de-modulate each per-RB multicarrier modulated signal from a frequency band of each RB to a baseband separately, wherein
the de-modulation is different for at least one of the plurality of RBs, wherein non-contiguous available spectrum is partitioned
into a plurality of resource blocks, wherein each RB of the plurality of RBs comprises a plurality of subcarriers;

filtering each of the plurality of per-RB de-modulated signals separately;
estimating and equalizing the channel of each of the plurality of per-RB de-modulated signals to output estimated symbols
for each of the plurality of per-RB de-modulated signals; and

decoding the estimated symbols for each of the plurality of per-RB de-modulated signals.

US Pat. No. 9,801,232

DISCONTINUOUS RECEPTION (DRX) SCHEMES FOR MILLIMETER WAVELENGTH (MMW) DUAL CONNECTIVITY

IDAC Holdings, Inc., Wil...

1. A wireless transmit/receive device (WTRU) comprising:
a long term evolution (LTE) medium access control (MAC) entity associated with transmission and reception on an LTE carrier;
a millimeter wave MAC entity associated at least with reception on a millimeter wave carrier; and
a processor, wherein the processor is configured to:
receive a resource configuration associated with millimeter wave discontinuous reception (DRX) operation, wherein the resource
configuration indicates a measurement resource included in the resource configuration and a reporting resource included in
the resource configuration,

perform a measurement associated with a millimeter wave downlink beam,
report a preferred millimeter wave downlink beam associated with the millimeter wave carrier, wherein the report is made via
the LTE carrier, and

monitor an LTE control channel on the preferred millimeter wave downlink beam.

US Pat. No. 9,781,738

PHYSICAL LAYER (PHY) DESIGN FOR A LOW LATENCY MILLIMETER WAVE (MMW) BACKHAUL SYSTEM

IDAC Holdings, Inc., Wil...

1. A method for use in a base station for establishing a low latency millimeter wave (mmW) backhaul connection, the method
comprising:
receiving a mmW relay schedule from an evolved Node B (eNB) within one Long Term Evolution (LTE) scheduling interval;
decoding the mmW relay schedule;
steering a receive beam and a transmit beam according to the mmW relay schedule;
receiving a data packet from a second base station in a mmW transmission time interval (TTI) based on the mmW relay schedule
using the receive beam; and

transmitting the data packet to a third base station based on the mmW relay schedule using the transmit beam, wherein the
transmitting begins before reception of the data packet is complete.

US Pat. No. 9,930,558

HIGH FREQUENCY RADIO ENVIRONMENTAL MAPPING AND SYSTEM PROCEDURES

IDAC Holdings, Inc., Wil...

1. A wireless transmit/receive unit (WTRU) comprising:a transmitter/receiver; and
a processor configured to:
when the WTRU is in an idle state:
receive a common control channel from a millimeter wave base station (mB);
decode a measurement schedule included in the common control channel, wherein the measurement schedule included in the common control channel includes one or more slots during which sounding signals will be sent; and
determine a first slot during which the WTRU is available to measure a sounding signal; and
when the WTRU is in a connected state:
receive a dedicated channel from the millimeter wave base station;
decode a measurement schedule and a receiver configuration included in the dedicated channel, wherein the measurement schedule and the receiver configuration included in the dedicated channel are specific to the WTRU, and wherein the measurement schedule included in the dedicated channel includes one or more slots during which sounding signals will be sent; and
determine, based on the measurement schedule included in the dedicated channel, a second slot during which the WTRU is available to measure a sounding signal.

US Pat. No. 9,930,597

COORDINATED PACKET DATA NETWORK CHANGE FOR SELECTED INTERNET PROTOCOL TRAFFIC OFFLOAD

IDAC Holdings, Inc., Wil...

1. A method of performing wireless transmit/receive unit (WTRU) assisted selected IP traffic offload (SIPTO), the method comprising:sending, by a WTRU, a message that comprises an indication that SIPTO is allowed for at least a first flow of a first packet data network (PDN) connection and that SIPTO is disallowed for at least a second flow of the first PDN connection, wherein the first PDN connection is via a first packet gateway (P-GW);
receiving, from a mobility management entity (MME), a message triggering establishment of a second PDN connection via a second P-GW;
establishing the second PDN connection via the second P-GW; and
moving, while maintaining at least the second flow on the first PDN connection, the at least the first one flow from the first PDN connection to the second PDN connection.

US Pat. No. 9,961,565

METHOD FOR MILLIMETER WAVE BEAM TRACKING

IDAC Holdings, Inc., Wil...

1. A wireless transmit/receive unit (WTRU) comprising:a receiver configured to receive a request, from a base station (BS), to perform directional signal strength measurements for one or more received signals;
the receiver further configured to receive a request, from the BS, to provide location data associated with the WTRU;
a transmitter configured to transmit directional signal strength measurements, based on the request and the location data associated with the WTRU, to facilitate generation of a directional radio environment map (DREM); and
the receiver further configured to receive a request to switch to a new transmission and reception beam pair based on the DREM.

US Pat. No. 9,935,376

ANTENNA REFLECTOR SYSTEM

IDAC HOLDINGS, INC., Wil...

1. A millimeter wave (mmW) antenna system comprising:a steerable planar antenna configured to produce a narrow beam with a scan range of less than 360 degree coverage;
a reflector configured to be positioned locally to the steerable planar antenna and at least partially within the scan range of the steerable planar antenna, wherein the reflector has a concave-down profile; and
the steerable planar antenna configured to be steered to point the narrow beam to reflect off different regions of the reflector to spread the narrow beam in azimuth to provide 360 degree coverage.

US Pat. No. 10,172,135

MMW PHYSICAL LAYER DOWNLINK CHANNEL SCHEDULING AND CONTROL SIGNALING

IDAC Holdings, Inc., Wil...

1. A control signaling and scheduling method performed by a wireless transmit/receive unit (WTRU), the method comprising:receiving a first control channel using a first antenna pattern;
receiving a second control channel using a second antenna pattern;
demodulating and decoding the first control channel;
demodulating and decoding the second control channel;
determining, using at least one of the decoded first control channel or the decoded second control channel, beam scheduling information associated with the WTRU and whether the WTRU is scheduled for a millimeter wave (mmW) segment;
on a condition that the WTRU is scheduled for the mmW segment
forming a receive beam using the determined beam scheduling information,
receiving the second control channel using the receive beam, and
determining, using the demodulated and decoded second control channel, dynamic per-transmission time interval (TTI) scheduling information related to a data channel associated with the second control channel.

US Pat. No. 10,122,632

ANCHORING IP DEVICES IN ICN NETWORKS

IDAC Holdings, Inc., Wil...

1. A method of anchoring communication between Internet Protocol (IP)-based devices in an information centric networking (ICN) network or across an IP peer network, the method comprising:receiving, by a network access point (NAP) of an ICN network, an IP packet from an IP-only wireless transmit/receive unit (WTRU);
determining, by the NAP, an appropriate ICN name for the IP packet based on an IP address of an intended destination of the IP packet, wherein the ICN name comprises a hierarchy of a root identifier for IP over ICN communication, a first sub-scope identifier for within ICN communication and a second sub-scope identifier for outside ICN communication below the root identifier, and one or more levels of IP subnet identifiers below the first sub-scope identifier and the second sub-scope identifier;
encapsulating, by the NAP, the IP packet into an ICN packet by inserting the ICN name into a packet header; and
sending, by the NAP, the ICN packet to a plurality of devices subscribed to the ICN name.

US Pat. No. 10,111,190

LATENCY REDUCTION IN LTE SYSTEMS

IDAC Holdings, Inc., Wil...

1. A method for communicating data performed by a wireless transmit/receive unit (WTRU), the method comprising:determining, by the WTRU, that at least one of: control plane data or user plane data is available for transmission to a network;
determining, by the WTRU, that the WTRU is in at least one of: a radio resource control (RRC) IDLE mode or a RRC CONNECTED mode;
determining, by the WTRU, that the WTRU is in an unsynchronized state relative to the network;
determining a spectrum operational mode (SOM) for a transmission, the SOM indicating at least one of: a subcarrier spacing, a transmission time interval (TTI) length, or a waveform for the transmission;
sending the transmission from the WTRU in the unsynchronized state, via a physical uplink channel to the network, the transmission including:
the at least one of the control plane data or the user plane data; and
an uplink timing synchronization request; and
receiving, by the WTRU, at least one of a timing advance command (TAC) or a transmit power command (TPC) from the network in response to the transmission.

US Pat. No. 10,129,802

LAYERED CONNECTIVITY IN WIRELESS SYSTEMS

IDAC Holdings, Inc., Wil...

1. A wireless transmit/receive unit (WTRU) in communication with a wireless communication network, comprising:a receiver, the receiver configured to:
receive a configuration for a connectivity context corresponding to an Radio Resource Control (RRC) RRC_INACTIVE state, the configuration including a WTRU identity associated with the connectivity context corresponding to the RRC_INACTIVE state; and
receive a listing of cells for a coverage area corresponding to the connectivity context corresponding to the RRC_INACTIVE state; and
a processor, the processor configured to:
enter the RRC_INACTIVE state;
perform, in the RRC_INACTIVE state, one or more measurements on one or more cells;
perform, in the RRC_INACTIVE state, a cell reselection based on the one or more measurements; and
send a message to initiate a transition from the RRC_INACTIVE STATE to an RRC_CONNECTED state, the message comprising the WTRU identity associated with the connectivity context corresponding to the RRC_INACTIVE state.

US Pat. No. 10,129,065

TAIL CANCELATION AND ADDITION OF UNIQUE WORD FOR ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING

IDAC Holdings, Inc., Wil...

1. A wireless transmit/receive unit (WTRU) comprising:a processor configured to generate a first signal that utilizes a tail suppression signal generated at the WTRU from a data stream and utilizes a first unique word signal;
the processor further configured to map elements of the data stream and the first signal to one or more discrete Fourier transform spread (DFT-S) functions;
the processor further configured to perform an inverse DFT operation on symbols generated by the one or more DFT-S functions to generate a second signal; and
a transceiver configured to transmit the second signal.

US Pat. No. 10,104,591

COORDINATED PACKET DATA NETWORK CHANGE FOR SELECTED INTERNET PROTOCOL TRAFFIC OFFLOAD

IDAC Holdings, Inc., Wil...

1. A method of performing wireless transmit/receive unit (WTRU) assisted offload, the method comprising:sending a first message that comprises an indication that offload is allowed for a first flow of a first connection and that offload is disallowed for at least a second flow of the first connection;
receiving a second message triggering establishment of a second connection;
establishing the second connection without deactivating the first connection;
moving the first flow from the first connection to the second connection; and
maintaining at least the second flow on the first connection when the first flow is moved to the second connection.

US Pat. No. 10,187,840

METHOD AND APPARATUS FOR SELECTING A ROUTING PATH IN A MESH NETWORK

IDAC HOLDINGS, INC., Wil...

1. A method for joint routing and distributed scheduling in a wireless directional mesh network, implemented in a first node of the wireless directional mesh network, comprising:receiving feedback for multiple candidate paths across the wireless directional mesh network from at least one neighbor node;
determining semi-static metrics based upon the received feedback, wherein the semi-static metrics include at least a path diversity metric that includes a connectivity of an intermediate node to a destination node in the wireless directional mesh network;
determining instantaneous metrics based upon the received feedback;
determining routing from the first node to the destination node based upon the semi-static and instantaneous metrics, and a back-pressure, wherein, the back-pressure is determined explicitly and wherein the semi-static metric includes information relating to a node creating interference and a power level of the interference; and
routing a transmission in accordance with the determined route from the first node to the destination node across the wireless directional mesh network.

US Pat. No. 10,243,720

METHODS, APPARATUS AND SYSTEMS FOR INTERFERENCE MANAGEMENT IN A FULL DUPLEX RADIO SYSTEM

IDAC Holdings, Inc., Wil...

1. A method implemented in a first Wireless Transmit/Receive Unit (WTRU) using time-frequency (TF) resources for communications with a second WTRU in first and second directions, the method comprising:obtaining, by the first WTRU, information associated with a communication with the second WTRU in the second direction;
determining or detecting, using the obtained information, a priority or a relative priority of one or more TF resources at TF locations for the communication in the second direction that correspond to one or more TF resources associated with the communication in the first direction; and
TF resource muting or symbol muting, by the WTRU, the one or more TF resources for the communication in the first direction based on the determined priority or the determined relative priority of the one or more TF resources for the communication in the second direction.