Lg Electronics Inc.

Daesung Hwang

Yunjung Yi

Seungmin Lee

Hanbyul Seo

Suckchel Yang

Joonkui Ahn

Hyunho Lee

Dongyoun Seo

Inkwon Seo

Kijun Kim

Seonwook Kim

Kyuhwan Kwak

Hanjun Park

Bonghoe Kim

Duckhyun Bae

Woosuk Ko

Jonghyun Park

Hyangsun You

Byounghoon Kim

Uihyun Hong

Youngtae Kim

Hyunsoo Ko

Ilmu Byun

Jiwon Kang

Changhwan Park

Hyungtae Kim

Hyukjin Chae

Soonki Jo

Eunsun Kim

Seunggye Hwang

Hakseong Kim

Haewook Park

Jinwoo Kim

Jaehyung Kim

Giwon Park

Seokmin Shin

Seoyoung Back

Kunil Yum

Huayue Song

Youngdae Lee

Seungjune Yi

Sunyoung Lee

Suhwan Lim

Myoungseob Kim

Kilbom Lee

Sangrim Lee

Kukheon Choi

Jongyoul Lee

Jinyong Choi

Ilmin Kim

Jaehoon Chung

Sukhyon Yoon

Jongseob Baek

Heejin Kim

Kyuseok Kim

Jongwoo Hong

Minki Ahn

Illsoo Sohn

Kilborn Lee

Gyoungil Kwak

Yunjung Yl

Iimu Byun

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

Proposed is a method for performing wireless communication by a first device. The method may comprise a step of receiving a channel state information reference signal (CSI-RS) through a physical sidelink shared channel (PSSCH) from a second device, measuring a channel state through the CSI-RS on the basis of a reference type associated with the PSSCH, and transmitting information about the channel state to the second device. For example, the reference type associated with the PSSCH may be determined on the basis of whether a slot including a resource associated with the PSSCH includes a resource associated with a physical sidelink feedback channel (PSFCH).

Method and device for measuring sidelink channel in wireless communication system

A method by which a first device performs wireless communication is presented. The method can comprise the steps of: receiving a plurality of first physical sidelink control channels (PSCCHs); receiving a plurality of first physical sidelink shared channels (PSSCHs) related to the plurality of first PSCCHs; transmitting a plurality of second PSCCHs; transmitting a plurality of second PSSCHs related to the plurality of second PSCCHs; and performing any one related to a high priority from among the transmission of a plurality of first physical sidelink feedback channels (PSFCHs) and the reception of a plurality of second PSFCHs on the basis of a first priority of the transmission of a plurality of first PSFCHs related to the reception of the plurality of first PSSCHs and a second priority of the reception of a plurality of second PSFCHs related to the transmission of the plurality of second PSSCHs. For example: the first priority can be the highest priority from among a plurality of priorities related to the transmission of the plurality of first PSFCHs; the second priority can be the highest priority from among a plurality of priorities related to the reception of the plurality of second PSFCHs; and the transmission of the plurality of first PSFCHs and the reception of the plurality of second PSFCHs can overlap on a time domain.

Method and device for selecting PSFCH resource in NR V2X

A method for performing wireless communication by a first device and a device for supporting same are provided. The method may comprise: receiving, from a second device, first sidelink control information (SCI) including one field related to a sidelink (SL) channel state information (CSI) request; receiving, from the second device, a SL CSI-reference signal (RS); obtaining a SL CSI report based on the SL CSI-RS; transmitting, to the second device through a physical sidelink control channel (PSCCH), second SCI for scheduling a physical sidelink shared channel (PSSCH), wherein the second SCI includes priority information; and transmitting, to the second device through the PSSCH, the SL CSI report.

Method and device for transmitting information related to sidelink channel in NR V2X

A sidelink communication method considering height information and an apparatus therefor are provided. A method of transmitting data by a first user equipment (UE) to a second UE in a wireless communication system includes transmitting a physical sidelink control channel (PSCCH) including first sidelink control information (SCI) to the second UE, transmitting a physical sidelink shared channel (PSSCH) including second SCI related to the first SCI to the second UE, and receiving a physical sidelink feedback channel (PSFCH) for the PSSCH from the second UE. The second SCI includes control information about a hybrid automatic repeat request (HARQ) operation, and the control information about the HARQ operation includes control information about a height.

Sidelink communication method considering height information and apparatus therefor

A first device performs wireless communication by performing operations that include: attaching cyclic redundancy check (CRC) bits to first bits related to second sidelink control information (SCI), thereby acquiring second bits; acquiring third bits based on channel coding regarding the second bits; acquiring the number of first modulation symbols related to the second SCI acquiring the number of second modulation symbols related to the second SCI by adding a gamma value to the number of the first modulation symbols based on the number of at least one resource element (RE), to which the first modulation symbols are not mapped, among multiple REs on a symbol, to which the last modulation symbol among the first modulation symbols is mapped, within a resource block (RB) to which the last modulation symbol belongs; and performing rate matching regarding the third bits based on the second modulation symbols.

Method and apparatus for rate-matching control information in NR V2X

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Seoul, South Korea

Daesung Hwang