Interdigital Patent Holdings, Inc.

Idac Holdings, Inc.

Sony Corporation

Other

Sony Group Corporation

Martino M Freda

Tao Deng

Paul Marinier

Ghyslain Pelletier

Tuong Duc Hoang

Jean-Louis Gauvreau

Benoit Pelletier

Chunxuan Ye

Rocco Di Girolamo

Yugeswar Deenoo

Athmane X Touag

Mihaela C Beluri

Scott Laughlin

Diana Pani

Moon-il Lee

Joseph M Murray

Alpaslan Demir

Moon Il Lee

Jaya Rao

Aata El Hamss

Amith Vikram Chincholi

Saad Ahmad

Debashish Purkayastha

Yuying Dai

J Patrick Tooher

Faris Alfarhan

Marian Rudolf

Liangping Ma

Angelo A Cuffaro

Oumer Teyeb

Zinan Lin

Erdem Bala

Samian Kaur

Michelle Perras

Mouna Hajir

Pekka Ojanen

Ping Hsuan Tan

Kamraan Nasim Syed

Rui Yang

Alexander Reznik

Rocco DiGirolamo

Douglas R Castor

Joseph Gredone

Parul Mudgal

Stephen E Terry

Brian Alexander Martin

Michael F Starsinic

Pascal M Adjakple

Dale N Seed

Ulises Olvera-Hernandez

Mahmoud Watfa

Prabhakar Chitrapu

Arty Chandra

Behrouz Aghili

Guanzhou Wang

Paul L Russell, Jr

John L Tomici

Joseph A Kwak

David S Bass

Nicholas J Podias

Scott C Hergenhan

Dylan James Watts

John Cartmell

Kushanava Laha

Reeteshkumar Varshney

Aravind Kamarajugadda

Onkarnath Upadhyay

Kenneth F Lynch

Khalid Anwar

Patrick Tooher

Yugeswar Deenoo Narayanan Thangaraj

Tan B Le

Kyle Jung-Lin Pan

Fengjun Xi

Juan Carlos Zuniga

Jiaxin Yang

Paul Russell

Ramya Gopalan

Sowmya Gopalan

Miki Beluri

Joe Murray

Tejaswinee Lutchoomun

Francois Periard

Phillip L Leithead

Ahmad Saad

Patrick J Tooher

Alpaslan Y Demir

Nick Battiston

Amith V Chincholi

Systems, methods, and instrumentalities (e.g. aspects of entities, interfaces and procedures in a wireless transmit/receive unit (WTRU) and/or network layers L1, L2, l3) are disclosed for low latency medium access control (MAC) protocol data unit (PDU) assembly in wireless systems, such as 5G flexible radio access technology (RAT) (5gFLEX). Latency may be reduced, for example, by WTRU determination of network transmission parameters and signaling prior to a transmission grant. A WTRU may receive a modulation and coding scheme (MCS), resource range, etc. prior to a grant, e.g., for use in future grants. Data blocks may be incrementally created/encoded prior to a grant. Data units may be segmented, assembled and multiplexed, for example, based on data block sizes that allow MAC and radio link control (RLC) processing prior to a grant. Flexible grant sizes may be provided for early generation of transport blocks before a grant. A minimum guaranteed transport block size (TBS) may be signaled to permit early generation of a MAC PDU. Transmission parameters may be selected prior to a grant, for example, using blind decoding or a DCI reception procedure.

Medium access protocol data unit assembly in wireless systems

Method and WTRU enabled for service continuity using WTRU-to-WTRU relays. A relay path may be modeled as an SLRB, RLC leg of an SLRB, and/or a MAC logical channel. The WTRU adds a path for a destination based on configured/usable relays. The WTRU may associate an end-to-end L2 destination ID with one or more path L2 destination IDs or path IDs. Upper layers select one or more paths for transmission of a packet/bearer. The WTRU may send a relay announcement message containing path connectivity information. A WTRU may select a path for transmission based on properties associated with a sidelink. The WTRU may activate/deactivate an SL bearer, unicast link, L2 destination, and/or RLC Leg. The WTRU changes a bearer associated with an SLRB from an established RLC entity to another established RLC entity.

Service continuity associated with WTRU to WTRU relays

Procedures, methods, architectures, apparatuses, systems, devices, and computer program products are disclosed that may be implemented in wireless transmit/receive unit (WTRU) for device-to-device communications, such as sidelink (SL) transmissions in a vehicle-to-everything (V2X) environment. In one representative method, the WTRU may monitor a resource pool for a first channel having 1st stage SL control information (SCI) and decode a detected 1st stage SCI. The 1st stage SCI may be associated with corresponding 2nd stage SCI. Based on information indicated by the decoded 1st stage SCI, the WTRU may determine whether to perform, or continue to perform, decoding of the associated 2nd stage SCI. The WTRU may also perform decoding of a second channel associated with the 1st stage SCI. The decoding of the 2nd stage SCI and the decoding of the second channel may be performed for a same sub-frame, slot and/or mini-slot.

Methods, architectures, apparatuses and systems for sidelink control information decoding reduction

Procedures, methods, architectures, apparatuses, systems, devices, and computer program products directed to selection and/or reselection of WTRUs and paths are provided. Among such methods is a method that may be implemented in a first WTRU and may include determining first measurements based on first sidelink transmissions received from a second WTRU; receiving, from the second WTRU, second measurements associated with a path between the first WTRU and a third WTRU, wherein second measurements are based, at least in part, on sidelink transmissions exchanged between the third WTRU and the second WTRU or between the third WTRU and a fourth WTRU; determining a measurement of the path based on any of the first and second measurements; determining transmission parameters for transmitting discovery messages during a communication period based on any of the measurement of the path and quality of service criteria; and transmitting the discovery messages according to the transmission parameters.

Methods, architectures, apparatuses and systems directed to relay and path selection and reselection

A method for determining a DRX operation in a wireless transmit receive unit (WTRU) that has information indicating multiple DRX configurations, includes selecting a first DRX configuration from the multiple DRX configurations based on a first cast type and an associated first quality of service (QoS) information for a first sidelink radio bearer (SLRB) configuration, selecting a second DRX configuration from the multiple DRX configurations based on a second cast type and an associated second QoS information for a second SLRB configuration, determining a sidelink monitoring time based on a combination of an active time associated with the first DRX configuration and an active time associated with the second DRX configuration, and monitoring a sidelink control channel using the determined sidelink monitoring time.

Methods for performing discontinuous reception on sidelink

Systems, methods, devices, and instrumentalities are described herein relate to explicit requests for flight path statuses. A wireless transmit/receive unit (WTRU) may transmit a first message indicating flight path information is available. The WTRU may receive a second message including a flight path reporting configuration. The flight path reporting configuration may request the flight path information. The flight path reporting configuration may include at least one of: a number of waypoints; whether to include timestamp information; or a configuration to periodically report flight path information updates. The WTRU may transmit an initial flight path message within a third message. At a configured periodicity, the WTRU may evaluate whether the flight path information has changed since a previous flight path report was transmitted.

Explicit request for flight path status

Systems, methods, devices, and instrumentalities are described herein related to conditional triggers for flight path update indications. A wireless transmit/receive unit (WTRU) may receive configuration information. The configuration information may indicate a trigger condition (e.g., threshold) associated with enabling transmission of a flight path update indication. The WTRU may determine that the threshold associated with enabling transmission of the flight path update indication is satisfied. Based on the threshold being satisfied, the flight path update indication may be transmitted. The WTRU may receive a request to transmit the updated flight path information and transmit the updated flight path information.

Conditional trigger for flight path update indication

A method and device for power savings on a dormant secondary cell group are disclosed. In an approach, a wireless transmit receive unit (WTRU) may receive, from a network, a report configuration to report a channel quality indicator to a master cell group, MCG, or a secondary cell group, SCG, based on the received configuration (e.g. comprising different periodicities in order to report the CQI). In an approach, the channel quality indicator may be transmitted with a decreasing regularity. In an approach, the channel quality indicator may be transmitted with a period (periodicity) that depends on a discontinuous reception status of the MCG. In an approach, the channel quality indicator may be transmitted depending on a presence of high priority data (e.g. number of DCIs received, preemption indication, LCH priority; PDCCH).

Methods and apparatus for power savings on a dormant secondary cell group (SCG)

A method performed by a relay wireless transmit/receive unit (WTRU) includes receiving an indication of a change in state of a remote WTRU having a paging link with the relay WTRU, receiving a paging message from a network. The paging message includes a system information (SI) change indication, wherein the SI change indication indicates an availability of updated SI information from the network for the remote WTRU. The relay WTRU transmits the updated SI information to the remote WTRU based on the received indication of a change in state of the remote WTRU.

Method for efficient paging for user equipment to network relays

Systems, methods, and instrumentalities are disclosed for uplink (UL) transmissions in wireless systems. The systems, methods and instrumentalities may include a wireless transmit/receive unit (WTRU) with a receiver configured to receive one or more uplink (UL) grants that may include allocations associated with a regular UL (RUL) carrier and a supplementary UL (SUL) carrier. The RUL and SUL carriers may be associated with a common downlink (DL) carrier of a serving cell. The WTRU may include a processor configured to select data from one or more logical channels for transmission in accordance with the allocations. The WTRU may include a transmitter configured to transmit data from one logical channel on the RUL carrier and to transmit data from another logical channel on the SUL carrier in accordance with the allocations.

Supplementary uplink transmissions in wireless systems

A WTRU apparatus and method for operation thereby are provided. The method may comprise receiving, from a network, a mapping rule which indicates HARQ feedback characteristics to employ for a QoS level and a channel load. The WTRU may determine a QoS level of data buffered for transmission and may further determine a channel load of a channel. Based on the QoS level and channel load, HARQ feedback characteristics may be determined. The WTRU may then transmit an SCI to another WTRU which indicates the HARQ feedback characteristics. In an embodiment, the mapping rule may indicate that a HARQ feedback format is to be used for HARQ feedback of the data. The data may be transmitted and HARQ feedback of the data may be received in accordance with the HARQ feedback format. Groupcast data may be transmitted to a plurality of WTRUs and feedback my be received.

Methods, devices, and systems for supporting HARQ on V2X

Systems, methods, and instrumentalities are described herein that may be associated with new radio (NR) vehicular communication (V2X) sidelink power saving for unicast and groupcast. A first wireless transmit/receive unit (WTRU) may receive a message. The message may indicate a set of configuration groups and/or one or more suitability selection parameters. The WTRU may receive, from a second WTRU, a first indication. The first indication may indicate that the second WTRU is associated with a first configuration group and a first priority group. The first WTRU may receive, from a third WTRU, a second indication. The second indication may indicate that the third WTRU is associated with a second configuration group and a second priority value. The first WTRU may select a configuration group from the set of configuration groups based on the first indication and the second indication.

NR V2X sidelink power saving for unicast and/or groupcast

A transmitting wireless transmit/receive unit (Tx WTRU) may receive configuration information that indicates one or more parameters. The one or more parameters may be associated with resource selection. The Tx WTRU may determine a first resource selection window and a second resource selection window. The first resource selection window may be associated with an active time of a receiving wireless transmit/receive unit (Rx WTRU). The second resource selection window may be associated with an inactive time of the Rx WTRU. The Tx WTRU may determine a first number of candidate resources associated with the first resource selection window. The Tx WTRU may determine a first number of candidate resources associated with the second resource selection window. In examples, the Tx WTRU may increase the first number of candidate resources associated with the first resource selection window to a second number of candidate resources associated with the first resource selection window.

Partial sensing-based resource allocation

A first wireless transmit/receive unit (WTRU) may receive, from a second WTRU, sidelink control information (SCI), including first information indicating if a resource is reserved by the second WTRU, and second information indicating if the second WTRU is a power saving or non-power saving. The first WTRU may measure a reference signal receive power (RSRP) of signals transmitted by the second WTRU. The first WTRU may add a resource to a set of available resources if the first information indicates that the resource is not reserved by the second WTRU. If a resource is reserved, the WTRU may set an RSRP threshold to a first set or second threshold based on a power saving mode of the second WTRU. The first WTRU may add the resource to the set of available resources if the measured RSRP is less than the selected RSRP threshold.

Methods for power saving sensing and resource allocation

Methods, architectures, apparatuses and systems directed to relay selection and reselection

Growing community of inventors

Laval, Canada

Martino M Freda