Samsung Electronics Co., Ltd.

Nokia Technologies Oy

Alcatel Lucent

Nokia of America Corporation

Lucent Technologies Inc.

Alcatel-lucent USA Inc.

Emad N Farag

Eko Nugroho Onggosanusi

Md Saifur Rahman

Dalin Zhu

Aris Papasakellariou

Aristides Papasakellariou

Kyeongin Jeong

Hongbo Si

Frank Frederiksen

Zexian Li

Carmela Cozzo

Ebrahim MolavianJazi

Joonyoung Cho

Robert Atmaram Soni

Sridhar Gollamudi

Jerry Z Wang

Samuli Heikki Turtinen

Vinh Van Phan

Sami-Jukka Hakola

Ling Yu

Jeongho Jeon

Jorma Johannes Kaikkonen

Mikko Aleksi Uusitalo

Nuno Manuel Kiilerich Pratas

Gilwon Lee

Nishithkumar D Tripathi

Nuno Pratas

Bikramjit Singh

Susan M Miller

Eko Onggosanusi

Chunhai Yao

Sigen Ye

Timo Koskela

Mihai Enescu

Daniela Laselva

Karri Markus Ranta-Aho

Hongwei Kong

Louis Gwyn Samuel

Claudio Rosa

Benny Vejlgaard

Simon Svendsen

Karol Schober

Sami Hakola

Oana-Elena Barbu

Francis Dominique

Joseph H Kang

Michael Joseph Flanagan

Peter Bosch

Yuan Zhang

Matha Deghel

Volker Braun

Renato Barbosa Abreu

Nishith D Tripathi

Sape Mullender

Marco Centenaro

Venkata Vankayala

Ramdhan Singh

Constant Conan

Taofik Saidi

Jukka Valtteri Tormalehto

Yousef M Hawwar

Alexander Nathues

Robert David Bresalier

Sape Jurrien Mullender

Methods and apparatuses for a channel access in a wireless communication systems. A method of a UE in a wireless communication system, the method comprising: determining whether, for a first time duration, a channel is sensed as an idle state for a channel access procedure; occupying the channel for a second time duration based on a determination that the channel is sensed as the idle state; and transmitting, for at least a portion of the second time duration, a signal on the channel, wherein the first time duration and the second time duration are based on a SL PPPP for a SL communication.

Channel access procedure for SL transmission over unlicensed band

A method of operating a user equipment (UE) is provided. The method includes receiving a configuration message to enable inter-UE co-ordination for a sidelink (SL) resource pool, determining a target UE for a SL transmission, and transmitting, to the target UE, a signal to activate or trigger transmission of inter-UE co-ordination information. The method further includes receiving the inter-UE co-ordination information, determining a set of candidate SL resources based on the inter-UE co-ordination information, selecting a SL resource within the determined set, and transmitting a SL channel on the SL resource.

Method and apparatus for configuration and signaling of SL resources for inter-UE co-ordination

Methods and apparatuses for a multi-beam downlink and uplink wireless system. A method of a user equipment includes receiving configuration information for one or more transmission configuration indication (TCI) states and corresponding TCI state identifiers (IDs) and receiving one or more TCI state IDs. The method also includes determining, based on the one or more TCI state IDs, at least one of one or more first spatial domain filters for reception of one or more layers, respectively, of a downlink channel and one or more second spatial domain filters for transmission of one or more layers, respectively, of an uplink channel. The method further includes at least one of receiving the one or more layers of the downlink channel using the one or more first spatial domain filters, respectively, and transmitting the one or more layers of the uplink channel using the one or more second spatial domain filters, respectively.

Configuration of a multi-beam downlink based on TCI states in a wireless system

Methods and apparatus for inter-UE coordination signaling in a wireless communication system. A method of operating a UE includes receiving a first SCI format 1-A from a first UE and a second SCI format 1-A from a second UE. The first SCI format 1-A includes a first priority value pand reserves a first SL resource. The second SCI format 1-A includes a second priority value pand reserves a second SL resource. The method further includes identifying a conflict when the first and second SL reserved resources overlap in time and frequency; determining, based on the priority values, whether to indicate conflict information to the first UE or the second UE; and transmitting a PSFCH with the conflict information. When p>p, the conflict information is indicated to the first UE and, when p=p, the conflict information is indicated to the first UE or the second UE.

Method and apparatus for inter-UE coordination signaling

Methods and apparatuses for orthogonal frequency division multiplexing (OFDM) symbol adjustment for sidelink (SL) transmissions in a wireless communication system. A method of user equipment (UE) includes receiving a sidelink control information (SCI) format that includes information on a cyclic prefix (CP) extension, determining parameters (Cand Δ) based on the information on the CP extension, and determining a duration for the CP extension based on the parameters. The method further includes extending a sidelink OFDM symbol for an interval preceding the sidelink OFDM symbol for the duration for the CP extension and transmitting the sidelink OFDM symbol with the extended CP duration.

OFDM symbol adjustment for sidelink transmissions

A method of operating a user equipment (UE) includes receiving configuration information for a list of transmission configuration indicator (TCI) states, a list of TCI state code points, and cross carrier scheduling and receiving a downlink control information (DCI) format including (i) a carrier indicator field and (ii) a transmission configuration indication field indicating a TCI state code point. The TCI state code point is from the list of TCI state code points and indicates a TCI state for a first carrier and a TCI state for a second carrier. The method further includes applying the indicated TCI state code point for a first carrier and a second carrier and receiving or transmitting, on the first carrier and the second carrier, downlink (DL) channels or uplink (UL) channels, respectively, based on quasi-co-location properties or spatial properties corresponding to the indicated TCI state code point.

Cross carrier beam indication

Apparatuses and methods for beam failure recovery under a unified transmission configuration indication (TCI) framework in a wireless communication system. A method for operating a user equipment (UE) includes receiving information associated with a control resource set (CORESET) configured for the UE and identifying, based on the information, a type of the CORESET configured for the UE. The method further includes determining, based at least in part on the identified type of the CORESET, a set of beam failure detection (BFD) reference signals (RSs) to use and monitoring for a beam failure instance (BFI) based on the set of BFD RSs.

Method and apparatus for beam failure recovery under a unified TCI framework

Methods and apparatuses for fast beam indication. A method of operating a UE includes receiving a number (M) of transmission configuration indicator (TCI)state code points activated by a medium access control element (MAC CE) and, if the UE is configured to be indicated TCI state code points on DL control information (DCI) and M>1, receiving the DCI that indicates at least one TCI state code point from the M TCI state code points and determining a TCI state to apply to at least one of downlink (DL) channels and uplink (UL) channels. The method further includes updating one or more spatial filters for at least one of the DL channels and the UL channels based on the determined TCI state and at least one of receiving and transmitting the DL channels and the UL channels, respectively, based on the updated one or more spatial filters.

Method and apparatus for fast beam indication

Methods and apparatuses for beam management after channel setup. A method of operating a user equipment (UE) includes receiving at least one of synchronization signal/physical broadcast channel block (SSB) or channel state information reference signal (CSI-RS), measuring the at least one of the SSB or the CSI-RS, and determining downlink (DL) quasi-co-location (QCL) properties for DL communication based on the at least one of the SSB or the CSI-RS. The method further includes determining an uplink (UL) spatial domain filter for UL communication, receiving DL channels using the determined DL QCL properties until only one of only one joint TCI state or only one DL TCI state is configured, activated, or indicated to the UE, and transmitting UL channels using the determined UL spatial domain filter until only one of only one joint TCI state or only one UL TCI state is configured, activated, or indicated to the UE.

Method and apparatus for beam management after channel setup

A method for operating a user equipment (UE) comprises receiving information for a maximum permissible emission (MPE) report; determining the MPE report including Q pairs of (resource indicator, MPE metric), where Q∈{1, . . . , P}; including the MPE report in a power headroom (PHR) report; and transmitting, via medium access control-control element (MAC CE), the PHR report including the MPE report.

Method and apparatus for beam measurement and reporting

Methods and apparatuses in a wireless communication system for a user equipment (UE) to perform a power management method. The method includes receiving, by the UE, one or more power parameters for a non-terrestrial network (NTN). The method also includes selecting a power management method from one of: a predictive transmit power method based on time and the distance between the UE and an NTN entity or a non-predictive transmit power method. The method also includes determining a power based on the power management method and the power management parameters. The method further includes transmitting a signal to the reception point using the power.

Enhanced uplink power control

Methods and apparatuses for use of flexible starting locations for SL transmissions in a wireless communication system. A method of user equipment (UE) in a wireless communication system operating with a shared spectrum channel access includes determining a set of multiple orthogonal frequency-division multiplexing (OFDM) symbols in a slot and performing a channel access procedure over a channel. The method further includes transmitting a sidelink transmission over the channel, starting from an OFDM symbol within the set of multiple OFDM symbols in the slot, upon successfully performing the channel access procedure before the OFDM symbol. The set of multiple OFDM symbols in the slot may be determined based on a higher layer configuration or pre-configurations.

Method and apparatus for flexible starting locations for sidelink transmission

Apparatuses and methods for receiving physical downlink shared channel (PDSCH) or monitoring physical downlink control channel (PDCCH) candidate in an inter-cell system. A method for operating a user equipment includes receiving an indicator for inter-cell operation; receiving first information of one or more first synchronization signal blocks (SSBs) associated with a serving cell physical cell identity (PCI); and receiving second information of one or more second SSBs associated with a PCI different from the serving cell PCI. The method further includes determining, based on the first information, one or more first resources for receiving the one or more first SSBs and determining, based on the second information, one or more second resources for receiving the one or more second SSBs. The first or second resources correspond to at least one of: (1) resource elements (REs), (2) physical resource blocks (PRBs) and (3) orthogonal frequency division multiplexing (OFDM) symbols.

Method and apparatus for receiving downlink channels in an inter-cell system

Methods and apparatuses for configuration of unified transmission configuration indicator (TCI) state in a wireless communication system. A method of operating a user equipment (UE) includes receiving configuration information for a list of TCI states for downlink (DL) or joint TCI states, receiving configuration information for a control resource set (CORESET), receiving configuration information for a search space set associated with the CORESET, and receiving an indication of a TCI state for the list of TCI states. The method further includes identifying a type of the search space set and an index of the CORESET, applying the indicated TCI state to a physical downlink control channel (PDCCH) in the CORESET based on (i) the identified type of the search space set and the identified index of the CORESET or (ii) additional configuration information, and receiving the PDCCH based on quasi-co-location properties corresponding to the indicated TCI state.

Method and apparatus for configuring a unified TCI state

A method comprises causing a message to be transmitted from a communications device to a transmission reception point during a random access procedure. The message comprises information identifying a plurality of different beam directions. The method further comprises receiving a response to the message from a plurality of different beam directions.

Apparatus, method, and computer program

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Flanders, NJ, United States of America

Emad N Farag