Lg Electronics Inc.

Samsung Electronics Co., Ltd.

Daesung Hwang

Yunjung Yi

Seungmin Lee

Hanbyul Seo

Suckchel Yang

Joonkui Ahn

Hyunho Lee

Dongyoun Seo

Inkwon Seo

Kijun Kim

Seonwook Kim

Hanjun Park

Bonghoe Kim

Woosuk Ko

Jonghyun Park

Hyangsun You

Byounghoon Kim

Hyunsoo Ko

Ilmu Byun

Jiwon Kang

Changhwan Park

Hyukjin Chae

Hyungtae Kim

Eunsun Kim

Hakseong Kim

Haewook Park

Jaehyung Kim

Giwon Park

Youngdae Lee

Seungjune Yi

Sunyoung Lee

Suhwan Lim

Kilbom Lee

Sangrim Lee

Jaehoon Chung

Sukhyon Yoon

Heejin Kim

Jongseob Baek

Jaeho Lee

Kyuhwan Kwak

Duckhyun Bae

Uihyun Hong

Youngtae Kim

Soonki Jo

Seunggye Hwang

Jinwoo Kim

Seokmin Shin

Seoyoung Back

Kunil Yum

Huayue Song

Myoungseob Kim

Kukheon Choi

Jongyoul Lee

Jinyong Choi

Kyuseok Kim

Jongwoo Hong

Minki Ahn

Hyunsuk Choi

Jonghyun Han

Illsoo Sohn

Banghyun Kwon

Hyesoon Jeong

Ilmin Kim

Kilborn Lee

Kyuchul Kong

Gyoungil Kwak

Iimu Byun

Yunjung Yl

Yi Yunjung

Juhyun Jeong

Jonnkui Ahn

A method for a first device to perform sidelink communication includes transmitting PSCCH(s) to at least one device; transmitting data to the at least one device through PSSCH(s) related to the PSCCH(s); determining PSFCH resources for receiving sidelink HARQ feedbacks related to the data based on an index of a slot related to the PSSCH(s) and an index of a subchannel; and receiving HARQ feedback(s) related to the data from the at least one device based on at least one PSFCH resource among the PSFCH resources, wherein the PSCCH(s) and the PSSCH(s) are transmitted to the at least one device based on first resource pool(s) for transmission, the PSFCH resources are determined within second resource pool(s) for reception, and connection information between the first resource pool(s) and the second resource pool(s) may be set in the first device.

Method and device for managing resource pool in NR V2X

A method by which a first device performs wireless communication and a device for supporting same are provided. The method can comprise the steps of: transmitting a random access preamble to a base station; receiving, from the base station, a random access response message related to the random access preamble; transmitting, to the base station, a radio resource control (RRC) setup request message on the basis of the random access response message; receiving, from the base station, an RRC setup message as a response to the RRC setup request message; and receiving, from the base station, an RRC message including a setup related to a Uu bandwidth part (BWP) and a setup related to a sidelink (SL) BWP, wherein first device cannot perform SL communication through the SL BWP on the basis of the fact that the numerology of the Uu BWP and the numerology of the SL BWP are different.

Method for performing SL communication in consideration of BWP switching in NR V2X, and initial access operation

A method in which a first device performs sidelink communication is provided according to one embodiment of the present disclosure. For example, a method in which a first device operates a first timer and/or a second timer on the basis of sidelink HARQ feedback information may be provided.

Method and device for performing sidelink communication on basis of sidelink HARQ feedback information in NR V2X

Disclosed are a method of transmitting a sidelink signal in an unlicensed band by a first UE in a wireless communication system for supporting sidelink communication and an apparatus therefor. The method includes receiving configuration information for a resource pool allocated for the unlicensed band, and transmitting the sidelink signal based on sub-channels included in the resource pool, wherein the sidelink signal includes at least one of a Physical Sidelink control Channel (PSCCH), a Physical Sidelink Shared Channel (PSSCH), or a Physical Sidelink Control Channel (PSFCH), and the unlicensed band includes a plurality of resource block sets, and the sub-channels are independently allocated for each of the plurality of resource block sets.

Method for performing sidelink communication in unlicensed band by UE in wireless communication system and apparatus therefor

The present disclosure relates to a wireless communication system and, specifically, to a method and a device therefor, the method comprising the steps of: monitoring a plurality of PDCCH candidate sets within an SS set on a scheduling cell, to detect a PDCCH including scheduling information on at least one cell, wherein each PDCCH candidate set is associated with only one corresponding cell index, and if the at least one cell corresponds to a plurality of cells, PDCCH candidates for the PDCCH are configured in a PDCCH candidate set associated with a smallest cell index among cell indexes of the plurality of cells; and performing data communication on the at least one cell on the basis of the PDCCH.

Method and apparatus for transmitting and receiving wireless signal in wireless communication system

According to one embodiment of the present disclosure, provided is a method, by which a first device performs sidelink communication. The method may comprise the steps of: receiving first synchronization information from a first synchronization source associated with a GNSS; receiving second synchronization information from a second synchronization source associated with a base station; determining, on the basis of a difference value between a first time point related to the first synchronization information and a second time point related to the second synchronization information being greater than a preset threshold, a first resource for transmission of a PSCCH on the basis of the second time point; transmitting, on the basis of the first resource, a first SCI through the PSCCH to a second device; and transmitting, on the basis of a second resource determined on the basis of the first SCI, a second SCI and data through a PSSCH related to the PSCCH, the second SCI being different from the first SCI.

Method and apparatus for determining sidelink resources in NR V2X

A method of a first user equipment (UE) to transmit information related to a conflict of a reserved resource in a wireless communication system comprises receiving, from a second UE, a first sidelink control information (SCI) related to a first reserved resource for a physical sidelink shared channel (PSSCH), receiving, from a third UE, a second SCI related to a second reserved resource for a PSSCH, determining a conflict between the first reserved resource and the second reserved resource, and transmitting, to the second UE or the third UE, information related to the conflict.

Method and apparatus for transmitting and receiving information related to collision of reserved resources in a wireless communication system

A method for monitoring scheduling information in a wireless communication system, and a device using the method are provided. The method: receives first configuration information about a search space of a first cell and second configuration information about the search space of a second cell; and monitors scheduling information for scheduling the second cell in the search space of the first cell, wherein the number of physical downlink control channel (PDCCH) candidates per aggregation level (AL) to be used in the search space of the first cell is determined on the basis of the second configuration information.

Method for monitoring scheduling information in wireless communication system, and device using method

An embodiment provides an operation method of a sidelink reception terminal in a wireless communication system, the method comprising the steps of: receiving a first physical sidelink shared channel (PSSCH) and a second PSSCH by a sidelink reception terminal; and transmitting feedbacks for the first PSSCH and the second PSSCH through a first physical sidelink feedback channel (PSFCH) resource and a second PSFCH resource, respectively, by the sidelink reception terminal, wherein the first PSSCH and the second PSSCH are received in different slots, and a first PSFCH related to the first PSSCH and a second PSFCH related to the second PSSCH are transmitted through different frequency resources within an identical time resource area.

Operation method of UE related to sidelink communication and feedback in wireless communication system

A method for performing wireless communication by a first apparatus and an apparatus for supporting same are provided. The method may comprise the steps of: receiving a physical sidelink control channel (PSCCH) from a second apparatus; receiving a physical sidelink shared channel (PSSCH) related to the PSCCH from the second apparatus; determining a physical sidelink feedback channel (PSFCH) resource related to the PSSCH, on the basis of a slot and sub-channel related to the PSSCH; and obtaining a channel busy ratio (CBR) value related to PSFCH transmission on the PSFCH resource. The CBR value may be obtained on the basis of (i) a first slot before a first offset from a slot that received the PSSCH related to the PSFCH resource, and (ii) measurement in a time section between the first slot and a second slot before a second offset.

Method and apparatus for performing congestion control in NR V2X

A method for performing sidelink communication includes: performing first SL reception in a first time interval in which a timer relating to SL DRX operation operates; performing second SL reception in a third time interval included in a second time interval in which the timer does not operate; and performing SL transmission related to the first and/or second SL reception, wherein the first SL reception performed in the first time interval within a CBR window includes PSCCH reception and PSSCH reception, the second SL reception performed in the third time interval within the CBR window includes the PSCCH reception but not the PSSCH reception, and a first CBR value related to the second time interval is a ratio of sub-channels, which have an SL RSSI value no less than a first threshold value and include a PSCCH resource, from among all sub-channels to be attempted for PSCCH detection.

Method and device for determining CBR value in NR V2X

An embodiment of the present disclosure provides a method for performing sidelink communication by a first device. The method may comprise the steps of: reserving a first reservation resource on the basis of a first sensing operation within a sensing window; on the basis of a second sensing operation within the sensing window, reserving a second reservation resource partially overlapping with the first reservation resource; obtaining a first RSRP value of the first reservation resource; obtaining a second RSRP value of the second reservation resource; deriving a sum value on the basis of the first RSRP value and the second RSRP value; and on the basis that the sum value exceeds a first threshold value, excluding the first reservation resource and the second reservation resource from available resources for sidelink communication of the first device.

Method and device for determining sidelink transmission resource on basis of RSRP value in NR V2X

Disclosed are a method of transmitting, by a first user equipment (UE), sidelink signals in an unlicensed band in a wireless communication system supporting sidelink communication and apparatus therefor.

Unlicensed band by UE in wireless communication system and apparatus therefor

Proposed is an operation method of a first device () in a wireless communication system. The method may comprise the steps of: receiving TDD-UL-DL configuration information including information related to a first slot pattern and information related to a second slot pattern from a base station (); determining a value related to granularity on the basis of i) a period of the first slot pattern, ii) a period of the second slot pattern, and iii) first subcarrier spacing related to SL communication; and transmitting a physical sidelink broadcast channel (PSBCH) including information related to a first UL resource and information related to a second UL resource to a second device ().

Method and device for transmitting information related to slot pattern in NR V2X

A method for performing wireless communication by a first device is proposed. The method may comprise the steps of: transmitting first sidelink control information (SCI) related to initial transmission, to a second device through a first physical sidelink control channel (PSCCH), wherein the first SCI related to the initial transmission includes scheduling information of second SCI related to the initial transmission, which is transmitted through a first physical sidelink shared channel (PSSCH) related to the first PSCCH; transmitting, to the second device, a medium access control protocol data unit (MAC PDU) and the second SCI related to the initial transmission through the first PSSCH, wherein the second SCI related to the initial transmission includes location information of the first device, which is related to the initial transmission; transmitting first SCI related to retransmission, to the second device through a second PSCCH, wherein the first SCI related to the retransmission includes scheduling information of second SCI related to the retransmission, which is transmitted through a second PSSCH related to the second PSCCH; and transmitting, to the second device, the MAC PDU and the second SCI related to the retransmission through the second PSSCH, wherein the second SCI related to the retransmission includes the location information of the first device, which is related to the initial transmission.

Method and device for efficiently supporting NR V2X communication

Growing community of inventors

Seoul, South Korea

Daesung Hwang