Lg Electronics Inc.

Daesung Hwang

Yunjung Yi

Seungmin Lee

Suckchel Yang

Hanbyul Seo

Joonkui Ahn

Hyunho Lee

Dongyoun Seo

Kijun Kim

Inkwon Seo

Seonwook Kim

Kyuhwan Kwak

Hanjun Park

Bonghoe Kim

Duckhyun Bae

Woosuk Ko

Jonghyun Park

Hyangsun You

Byounghoon Kim

Youngtae Kim

Uihyun Hong

Hyunsoo Ko

Jiwon Kang

Changhwan Park

Ilmu Byun

Hyungtae Kim

Hyukjin Chae

Eunsun Kim

Seunggye Hwang

Soonki Jo

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

Heejin Kim

Jongseob Baek

Kyuseok Kim

Jongwoo Hong

Minki Ahn

Illsoo Sohn

Kilborn Lee

Gyoungil Kwak

Yunjung Yl

Iimu Byun

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

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: receiving, from a base station, information related to a sidelink (SL) resource and information related to a physical uplink control channel (PUCCH) resource; transmitting, to a second device, a medium access control packet data unit (MAC PDU) in which hybrid automatic repeat request (HARQ) feedback has been disabled, on the basis of the SL resource; generating ACK related to the transmission of the MAC PDU in which the HARQ feedback has been disabled; and transmitting the ACK to the base station on the basis of the PUCCH resource.

Method and device for reporting HARQ feedback to base station in NR V2X

A method of transmitting inter-UE coordination information by a first UE in a wireless communication system according to an embodiment of the present disclosure includes receiving first sidelink control information (SCI) including a request for inter-UE coordination information from a second UE, and transmitting second SCI including the inter-device coordination information to the second UE. In the same resource pool, a first payload size of the first SCI and a second payload size of the second SCI are the same based on based on the first SCI being transmitted on a first Physical Sidelink Shared Channel (PSSCH) and the second SCI being transmitted on a second PSSCH.

Method for transmitting and receiving inter-UE coordination information in a wireless communication system and apparatus therefor

Disclosed is a method of performing a sidelink transmission, by a user equipment (UE), in a wireless communication system. More specifically, the method includes: receiving, from a base station (BS), configuration information related to a configuration of a sidelink resource pool; performing a sensing based on a sensing window related to the sensing of the UE; selecting, based on a result of the sensing, a resource for the sidelink transmission from the resource pool, in which the sensing window is configured based on an available slot including at least one slot; performing, based on whether a RE-EVALUATION and/or a PRE-EMPTION on the resource selected based on the result of the sensing to be triggered, the RE-EVALUATION and/or the PRE-EMPTION related to resource re-selection, in which a resource for the resource re-selection based on the RE-EVALUATION and/or the PRE-EMPTION is configured based on a remaining slot in which a slot related to the resource selected based on the result of the sensing is excluded from the available slot; and performing, based on (i) the resource selected based on the result of the sensing and/or (ii) a resource re-selected based on the RE-EVALUATION and/or the PRE-EMPTION, the sidelink transmission.

Method of transmission/reception for sidelink in a wireless communication system and apparatus therefor

In the present disclosure, disclosed are a method for transmitting and receiving data in a wireless communication system and an apparatus therefor. Particularly, a method by which a user equipment (UE) supported by a plurality of apparatuses comprising a first apparatus and a second apparatus transmits and receives data in a wireless communication system comprises the steps of: receiving first control information from the first apparatus and receiving second control information from the second apparatus; receiving data from at least one of the first apparatus or the second apparatus; and transmitting, to at least one of the plurality of apparatuses, first feedback information regarding the first apparatus and second feedback information regarding the second apparatus, wherein the first control information and the second control information each comprises a downlink assignment index (DAI), and the DAI may be set on the basis of an index related to the plurality of apparatuses.

Method for transmitting and receiving data in wireless communication system, and apparatus therefor

Disclosed are a method and device for a first terminal to transmit a positioning reference signal (PRS) through a physical sidelink feedback channel (PSFCH) in a wireless communication system supporting sidelink communication according to various embodiments. Disclosed are a method and device, wherein the method comprises the steps of: allocating a first frequency resource region for a PRS within a resource region for the PSFCH so that the PRS is multiplexed with a feedback signal; transmitting allocation information on the first frequency resource region; and transmitting the PRS and the feedback signal through the PSFCH on the basis of the allocation information, wherein the size of the first frequency resource region is determined on the basis of the size of a pre-configured frequency resource for the feedback signal and the type of the multiplexing, and the allocation information includes information on the multiplexing type, the size of the first frequency resource region, and the start frequency of the first frequency resource.

Method and device for terminal to transmit positioning reference signal in wireless communication system supporting sidelink communication

Growing community of inventors

Seoul, South Korea

Daesung Hwang