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

Aristides Papasakellariou

Aris Papasakellariou

Kyeongin Jeong

Frank Frederiksen

Zexian Li

Hongbo Si

Ebrahim MolavianJazi

Carmela Cozzo

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

Bikramjit Singh

Nuno Pratas

Susan M Miller

Chunhai Yao

Sigen Ye

Timo Koskela

Mihai Enescu

Hongwei Kong

Karri Markus Ranta-Aho

Daniela Laselva

Louis Gwyn Samuel

Claudio Rosa

Simon Svendsen

Benny Vejlgaard

Karol Schober

Sami Hakola

Oana-Elena Barbu

Francis Dominique

Joseph H Kang

Michael Joseph Flanagan

Peter Bosch

Yuan Zhang

Volker Braun

Matha Deghel

Nishithkumar D Tripathi

Renato Barbosa Abreu

Nishith D Tripathi

Sape Mullender

Marco Centenaro

Venkata Vankayala

Ramdhan Singh

Constant Conan

Taofik Saidi

Robert David Bresalier

Alexander Nathues

Yousef M Hawwar

Jukka Valtteri Tormalehto

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

A method for operating a user equipment (UE) comprises receiving configuration information including a set of transmission configuration indicator (TCI) states; receiving a medium access control-control element (MAC-CE) indicating activation of M TCI states from the set of TCI states, where M is a positive integer; identifying a medium for indicating a TCI state update, wherein the medium is the MAC-CE or a downlink control information (DCI), and the TCI state update is from the M activated states; determining a beam based on the TCI state update; and applying the beam for a reception of both downlink (DL) control and data channels.

Method and apparatus for dynamic beam indication mechanism

Methods and apparatuses for sidelink (SL) network assisted inter-user equipment (UE) coordination in a wireless communication system. A method for operating a UE includes receiving, on a Uu interface, a message associated with SL inter-UE coordination information, determining SL resources for a SL transmission based on the SL inter-UE coordination information, selecting the SL resources for the SL transmission, and transmitting on a SL interface using the SL resources. A method of operating a BS includes receiving, on a Uu interface, a message including first SL inter-UE coordination information from a first UE, determining a second UE as a recipient for the first SL inter-UE coordination information, generating second SL inter-UE coordination information from aggregation of the first SL inter-UE coordination information and other SL inter-UE coordination information, and transmitting the second SL inter-UE coordination information to the second UE.

Sidelink network assisted inter-UE coordination

A method for operating a user equipment comprises transmitting a capability information including a total number (X) of transmit-receive (Tx-Rx) entities at the UE; receiving, based on the capability information, configuration information including information on reporting a selection of Y Tx-Rx entities; selecting, based on the configuration information, the Y Tx-Rx entities; determining a report including an indication about the selection of the Y Tx-Rx entities; and transmitting the report, wherein the Y Tx-Rx entities are selected from X Tx-Rx entities that comprise all of or a subset of the XTx-Rx entities at the UE, and X≤X.

Uplink transmit beam selection based on downlink and uplink resource signal measurements

Methods and apparatuses for beam management, measurement and reporting for inter-cell operation in a wireless communication system. A method for operating a user equipment (UE) includes receiving a configuration for inter-cell operation, receiving a transmission configuration indication (TCI) state for a channel or a reference signal (RS), receiving information for configuring a TCI state group, and receiving an indication for associating the TCI state group with a physical cell identity (PCI). The method further includes determining, based on the information and the indication, an association between the TCI state and a PCI and determining, based on the TCI state and the association, a receive filter for reception of the channel or the RS.

Method and apparatus for beam management, measurement and reporting for inter-cell operation

Apparatuses and methods for indication for inter-cell beam management in a wireless communication system. A method of operating a user equipment (UE) includes receiving configuration information for a list of transmission configuration indication (TCI) states, receiving TCI state code points activated by a medium access control-control element (MAC CE), and receiving DL control information (DCI) indicating at least one of the activated TCI state code points. The method further includes determining a TCI state to apply to at least one of downlink (DL) channels and uplink (UL) channels within at least one entity; 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 receiving and transmitting the DL channels and the UL channels of the at least one entity, respectively, based on the updated one or more spatial filters.

Method and apparatus for indication of inter-cell beam management

A technique of performing a RACK procedure includes a framework for a two-step RACK in which a first message (MsgA) from the UE to the gNB has data carrying resources (i.e., PUSCH) is organized into a time-frequency array defined by a mapping to a plurality of preambles. Such a two-step RACK has less latency than the four-step RACK due to fewer signaling exchanges. Moreover, this two-step RACK also causes the UE to use less power due to a decreased signaling overhead.

Structure of message from user equipment to base station in two-step random access

Methods and apparatuses for radio frequency exposure mitigation via beam selection for random access procedure. A method for performing a random access (RA) procedure includes receiving information for a set of downlink reference signals (DL RSs). The method further includes determining: a set of DL reference signal received powers (RSRPs) corresponding to the set of DL RSs, a set of spatial filters corresponding to the set of DL RSs, a set of exposure levels corresponding to the set of spatial filters, a first DL RS from the set of DL RSs based on the set of DL RSRPs and the set of exposure levels, and a first spatial filter corresponding to the first DL RS. The method further includes transmitting a physical random access channel (PRACH), a physical uplink shared channel (PUSCH), or a physical uplink control channel (PUCCH) using the first spatial filter.

Radio frequency exposure mitigation via beam selection and power control for random access procedure

Systems and methods for joint and separate beam indication in a wireless communication system. A method of operating a user equipment (UE) includes receiving configuration information for a first set of transmission configuration indicator (TCI) states for joint TCI states or downlink (DL) TCI states and for a second set of TCI states for uplink (UL) TCI states if configured to operate with separate beam indication; receiving M TCI state code points; and if M>1, receiving downlink control information (DCI) that indicates at least one TCI state code point from the M TCI state code points. The method further includes determining a TCI state to apply to at least one of DL channels and UL channels; updating one or more spatial filters 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 spatial filters.

Method and apparatus for joint and separate beam indication

Growing community of inventors

Flanders, NJ, United States of America

Emad N Farag