Lg Electronics Inc.

Sungkyunkwan University

Korea Advanced Institute of Science and Technology

Seoul National University

Yonsei University

Other

Snur & Db Foundation

Hanbyul Seo

Seungmin Lee

Kijun Kim

Hakseong Kim

Hyukjin Chae

Byounghoon Kim

Inkwon Seo

Suckchel Yang

Joonkui Ahn

Jonghyun Park

Yunjung Yi

Daesung Hwang

Youngtae Kim

Youngdae Lee

Myoungseob Kim

Jongyoul Lee

Giwon Park

Seonwook Kim

Hyungtae Kim

Hanjun Park

Dongyoun Seo

Eunsun Kim

Woosuk Ko

Dae Won Lee

Jihyun Lee

Sunghoon Jung

Hyangsun You

Bonghoe Kim

Jaewook Lee

Heejin Kim

Uihyun Hong

Daewon Seo

Sukhyon Yoon

Wan Gyun Choi

Dongin Kim

Jiwon Kang

Jaeho Hwang

Illsoo Sohn

Jongseob Baek

Kyuhwan Kwak

Suhwan Lim

Youngseob Choi

Seoyoung Back

Hyunsoo Ko

Ilmu Byun

Jongwoo Hong

Laeyoung Kim

Hyunho Lee

Manyoung Jung

Sangrim Lee

Jinwoo Kim

Changhwan Park

Mingyu Kim

Byoung-Hoon Kim

Sungyong Kang

Sangwook Lee

Hojin Song

Jongyeol Ryu

Sunyoung Lee

Kilbom Lee

Sunghyun Choi

Robin Thomas

Jian Xu

Seokmin Shin

Hojae Lee

Sunam Kim

Hyunsu Cha

Youngsub Kim

Kaibin Huang

Dongku Kim

Haewook Park

Minsung Kwak

Daewook Byun

Seunggye Hwang

Dongkyu Kim

Minki Ahn

Seungil Park

Sungyoon Cho

Youngwoo Yun

SeungMin Lee

Seungjune Yi

Sangwon Kim

Taehun Kim

Kwangseok Noh

Yoonoh Yang

Sungduck Chun

Jinyup Hwang

Seungryul Yang

Dongsoo Kim

Byeongrim Jo

Juhnho Park

Kwangbok Lee

Jingyu Kim

Hyunho Ki

Seonik Seong

Tae Yeong Kim

Xavier Punithan

Woo Jin Kim

Gyoungil Kwak

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

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

The present disclosure relates to transmission prioritization in wireless communications. According to an embodiment of the present disclosure, a method performed by a wireless device in a wireless communication system comprises: receiving, from a network, information for a threshold related to a buffer status report (BSR); prioritizing a logical channel group (LCG) for the BSR based on the threshold, wherein a highest priority of one or more logical channels having data available for transmission in the LCG is lower than the threshold; prioritizing the BSR based on the prioritized LCG; creating a media access control (MAC) protocol data unit (PDU) comprising at least the prioritized BSR; and transmitting the MAC PDU.

Method and apparatus for transmission prioritization in wireless communication system

The present invention relates to a wireless communication system, and in particular, to a method and a device therefor, in which a sequence for a primary sidelink synchronization signal (PSSS) is generated on the basis of a specific cyclic shift value, and the PSSS is transmitted to a second device on the basis of the generated sequence, wherein the specific cyclic shift value is one of a plurality of first cyclic shift values for the PSSS, the plurality of first cyclic shift values are on the basis of a certain ratio being applied to offsets of second cyclic shift values for a downlink primary synchronization signal (DL PSS) sequence, and the intervals between the plurality of first cyclic shift values are maximized.

Method for transmitting and receiving signals in wireless communication system, and device supporting same

Disclosed is a method for a vehicle transmitting a signal in a wireless communication system. The method may comprise: receiving information on a road environment; driving a vehicle along a selected path on the basis of the information on the road environment; and, on the basis of satisfying a predetermined condition, transmitting a message for reserving a lane change to a specific lane among at least one lane included in the path. In addition, the message may include information on a virtual vehicle corresponding to the vehicle when in the specific lane. In addition, whether or not the predetermined condition is satisfied may be determined on the basis of: i) the right of way of the vehicle with respect to the lane changing; or ii) a back-off counter.

Method for vehicle transmitting signal in wireless communication system and vehicle therefor

Provided are a method in which a first device () determines whether information related to a sidelink resource is valid, and an apparatus supporting same. The method comprises the steps of: receiving information related to a sidelink resource from a second apparatus (); and determining whether the information related to the sidelink resource is valid, on the basis of the power of a signal received from the second device ().

Method and apparatus for selecting sidelink resource in NR V2X

According to an embodiment of the present disclosure, a method for a first device to perform sidelink communication is provided. The method may comprise the steps of: selecting, on the basis of first sensing, a first resource for transmitting a PSCCH or a PSSCH to a second device; determining, on the basis of second sensing, whether the first resource overlaps with a resource reserved by the second device or a third device; re-evaluating, on the basis of the first resource, whether to transmit the PSCCH or the PSSCH; and transmitting the PSCCH or the PSSCH to the second device on the basis of the re-evaluation.

Method and apparatus for performing sensing for sidelink communication in NR V2X

A method for performing wireless communication by a first device and a device supporting same may be provided. The method may comprise the steps of: receiving, from a base station, information related to an uplink (UL) resource for reporting sidelink (SL) hybrid automatic repeat request (HARQ) feedback to the base station; transmitting first sidelink control information (SCI) to a second device through a physical sidelink control channel (PSCCH); transmitting second SCI and a medium access control protocol data unit (MAC PDU) to the second device through a physical sidelink shared channel (PSSCH) related to the PSCCH; determining a physical sidelink feedback channel (PSFCH) resource on the basis of an index of a sub channel and an index of a slot related to the PSSCH; and transmitting the SL HARQ feedback on the MAC PDU to the base station on the basis of the UL resource. A minimum time gap between the PSFCH resource and the UL resource may be determined on the basis of N, X, numerology of an SL bandwidth part (BWP), and numerology of a UL BWP, wherein N may be determined on the basis of a minimum value among the numerology of the SL BWP and the numerology of the UL BWP, and X may be determined on the basis of information related to a priority.

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

Disclosed are a method for merging and transmitting, by a network, VRU messages and an apparatus therefor. The method comprises the steps of: receiving, through an uplink, a first VRU message including information on a first VRU; and transmitting, through a downlink at a preconfigured time point, a second VRU message in which a plurality of VRU messages received from a plurality of VRUs for a preconfigured time period are merged, wherein it is determined whether to merge the first VRU message with the second VRU message according to a mobility change calculated on the basis of previous mobility information on the first VRU and mobility information obtained from the first VRU message, and, when the mobility change is greater than or equal to a preconfigured threshold, the first VRU message is transmitted through the downlink without merging the first VRU message with the second VRU message.

Method for merging and transmitting, by network, VRU messages in wireless communication system supporting sidelink, and apparatus therefor

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

An embodiment relates to a method for operating a first user equipment (UE) in a wireless communication system, the method comprising the steps of: receiving, by the first UE, second CBR information from a second UE; and determining a change in a frequency band on the basis of the second CBR information and first CBR information generated by the first UE, wherein a frequency band of the first UE is narrower than a frequency band of the second UE, and the second CBR information is generated by the second UE on the basis of the frequency band of the first UE.

Method for operating UE related to CBR in wireless communication system

According to one embodiment of the disclosure, provided is a method by which a first device performs groupcast communication. The method comprises the steps of transmitting a PSCCH and a PSSCH to N receiving devices, and receiving at least one HARQ feedback for the PSSCH on the basis of M PSFCH PRB sets, wherein at least one PSFCH PRB set based on CS values differing from each other is set on the M PSFCH PRB sets on the basis that N is larger than M, and N and M are positive integers.

Sidelink HARQ feedback for groupcast transmission

A method by which a first apparatus performs wireless communication is proposed. The method may comprise the steps of: selecting a first synchronization source, on the basis of a sidelink synchronization priority; obtaining a first synchronization, on the basis of the first synchronization source; receiving a plurality of synchronization signals from a plurality of synchronization sources; obtaining a plurality of synchronizations, on the basis of the plurality of synchronization signals; selecting a second synchronization source from among the plurality of synchronization sources, on the basis of a gap between a time related to the first synchronization and a time related to a second synchronization being greater than or equal to a threshold value, wherein the second synchronization is obtained on the basis of the second synchronization source; and transmitting, to a second apparatus, a sidelink-synchronization signal block (S-SSB), on the basis of the first synchronization or the second synchronization. For example, the first synchronization source and the second synchronization source may comprise at least one of a global navigation satellite system (GNSS), a base station, or user equipment. For example, the S-SSB may comprise a sidelink primary synchronization signal (S-PSS), a sidelink secondary synchronization signal (S-SSS), and a physical sidelink broadcast channel (PSBCH).

Method and apparatus for selecting plurality of time synchronizations in NR V2X

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

Growing community of inventors

Seoul, South Korea

Hanbyul Seo