公开(公告)号：US11723068B2

公开(公告)日：2023-08-08

申请号：US17058648

申请日：2019-05-27

Applicant: LG ELECTRONICS INC.

Inventor： Hyukjin Chae ,  Hanbyul Seo

IPC: H04W74/08 ,  H04W72/04

CPC classification number: H04W74/0808 ,  H04W72/04

Abstract: Disclosed are: a method for a terminal to transmit a sidelink signal in a wireless communication system that supports sidelink according to various embodiments; and a device for same. Disclosed are a method for a terminal to transmit a sidelink signal and a device for same, the method including: a step for determining a plurality of candidate resources on the basis of reserved resources sensed in a predetermined resource pool and the reception intensities of received signals; a step for determining, on the basis of the attributes of a sidelink signal or the attributes of packets included in the sidelink signal, whether to perform additional carrier sensing for selecting a transmission resource from among the plurality of candidate resources; a step in which if the carrier sensing is performed, the transmission resource is selected after performing the carrier sensing on the plurality of candidate resources until a prescribed timing; and a step in which the sidelink signal is transmitted from the selected transmission resource.

公开(公告)号：US11647473B2

公开(公告)日：2023-05-09

申请号：US17716663

申请日：2022-04-08

Applicant: LG Electronics Inc.

Inventor： Seungmin Lee ,  Hanbyul Seo ,  Hyukjin Chae

IPC: H04W56/00 ,  H04W72/04 ,  H04W92/18

CPC classification number: H04W56/0015 ,  H04W72/0406 ,  H04W92/18

Abstract: Provided are a sidelink synchronization signal (SLSS) transmission method performed by a terminal in a wireless communication system and a terminal using the same. The method comprises: performing synchronization with one source among a plurality of sources; generating an SLSS; and transmitting the generated SLSS using one resource among a plurality of resources, wherein the one resource is determined according to whether the one source and the terminal are within cell coverage.

公开(公告)号：US11589247B2

公开(公告)日：2023-02-21

申请号：US17267230

申请日：2019-08-12

Applicant: LG ELECTRONICS INC.

Inventor： Seungmin Lee ,  Hyukjin Chae ,  Kyuhwan Kwak

IPC: H04W24/04 ,  H04B17/309 ,  H04B17/345 ,  H04W4/40 ,  H04W72/02 ,  H04W76/14 ,  H04W72/08

Abstract: An embodiment of the present invention proposes a method for transmitting a signal by a first user equipment (UE) in a wireless communication system, the method comprising the steps of: receiving, by the first UE, information indicating a first interference from at least one second UE; receiving, by the first UE, information indicating a second interference and information on an SNR from a third UE; and when a condition is satisfied, transmitting, by the first UE, the signal to the third UE, wherein the first interference is an interference to the at least one second UE, which is caused by the first UE, the second interference is an interference to the third UE, which is caused by the first UE, and the condition is based on at least one of the first interference, the second interference, and the SNR.

公开(公告)号：US11588589B2

公开(公告)日：2023-02-21

申请号：US17043627

申请日：2019-03-29

Applicant: LG ELECTRONICS INC.

Inventor： Hyukjin Chae ,  Hanbyul Seo

IPC: H04L1/18 ,  H04L1/1867 ,  H04L1/00 ,  H04L1/08 ,  H04L1/1812 ,  H04L5/00 ,  H04W56/00 ,  H04W72/00 ,  H04L67/147

Abstract: Disclosed are a method for transmitting a sidelink signal encoded on the basis of a polar code, by a terminal in a wireless communication system supporting a sidelink according to various embodiments, and a device therefor. Disclosed are a method for transmitting a sidelink signal encoded on the basis of a polar code and a device therefor, the method comprising the steps of: mapping, to bit indices of a polar code, information bits of input information including information on a plurality of fields; encoding the mapped information bits on the basis of the polar code; and transmitting a sidelink signal including the encoded information bits, wherein information bits corresponding to a particular field among the plurality of fields are mapped to a bit index lower than a bit index to which the information bits corresponding to the remaining fields are mapped.

公开(公告)号：US11576200B2

公开(公告)日：2023-02-07

申请号：US16637951

申请日：2018-08-10

Applicant: LG ELECTRONICS INC.

Inventor： Myoungseob Kim ,  Hanbyul Seo ,  Seungmin Lee ,  Hyukjin Chae

IPC: H04W72/14 ,  H04B7/14 ,  H04W72/04

Abstract: The present specification provides a method for transmitting a grant related to sidelink transmission of a remote UE, through a UE-to-network relay in a wireless communication system. A method performed by a relay UE comprises the steps of: receiving a first control message related to a grant from a serving base station, wherein the first control message includes an identifier for identifying a remote UE, first control information related to a time point of monitoring the grant, and second control information related to a time point at which the relay UE relays the grant to the remote UE; receiving the grant from the serving base station on the basis of the first control information; and transmitting the grant to the remote UE on the basis of the identifier and the second control information.

公开(公告)号：US11564072B2

公开(公告)日：2023-01-24

申请号：US17235073

申请日：2021-04-20

Applicant: LG Electronics Inc.

Inventor： Seungmin Lee ,  Hanbyul Seo ,  Hyukjin Chae ,  Youngtae Kim

IPC: H04W4/00 ,  H04W4/40 ,  H04W4/44 ,  H04W72/04 ,  H04W72/02 ,  H04W74/08 ,  H04W76/28 ,  H04W28/26 ,  H04W72/12 ,  H04W72/14 ,  H04W74/00 ,  H04W76/27 ,  H04L1/00 ,  H04L1/16 ,  H04L5/14 ,  H04W8/00 ,  H04W56/00

Abstract: The present invention provides a vehicle-to-X (V2X) operation method performed by a V2X terminal in a wireless communication system, the method comprising: selecting, in a selection period, a subframe excluding a subframe relating to a subframe in which transmission has been performed during a sensing period; and performing a V2X communication on the basis of the selected subframe.

公开(公告)号：US11516692B2

公开(公告)日：2022-11-29

申请号：US16652885

申请日：2018-11-08

Applicant: LG Electronics Inc.

Inventor： Seungmin Lee ,  Hyukjin Chae ,  Hanbyul Seo ,  Sangrim Lee

IPC: H04W28/02 ,  H04W28/12 ,  H04W64/00

Abstract: A distance measurement method of user equipment in a wireless communication system is provided. The method comprises receiving a plurality of ranging request signals and transmitting a plurality of ranging response signals for the plurality of ranging request signals, wherein the number of transmitted ranging response signals is less than or equal to a maximum response signal number, and the maximum response signal number is determined on the basis of a channel busy ratio (CBR) measured by the terminal.

公开(公告)号：US11470613B2

公开(公告)日：2022-10-11

申请号：US16979326

申请日：2019-03-29

Applicant: LG ELECTRONICS INC.

Inventor： Hyukjin Chae

IPC: H04W72/04 ,  H04L5/00 ,  H04L27/26

Abstract: Disclosed according to various embodiments are a method for transmitting a sidelink signal by a terminal in a wireless communication system supporting a sidelink and an apparatus therefor. The method for transmitting a sidelink signal comprises the steps of: applying scramble codes to data symbols and a DMRS; performing frequency-division multiplexing (FDM) of the data symbols and the DMRS; and transmitting a sidelink signal including the frequency division multiplexed (FDM) data symbols and DMRS, wherein the transmitted sidelink signal is a single sidelink signal selected from a plurality of sidelink signals which are generated by applying the plurality of scramble codes to the data symbols and the DMRS, respectively.

公开(公告)号：US11412485B2

公开(公告)日：2022-08-09

申请号：US16938043

申请日：2020-07-24

Applicant: LG Electronics Inc.

Inventor： Hyukjin Chae ,  Hanbyul Seo ,  Seungmin Lee

IPC: H04W72/04 ,  H04W72/02

Abstract: An embodiment of the present invention provides a method for a first UE to transmit a physical sidelink shared channel (PSSCH) in a wireless communication system, the PSSCH transmission method comprising: a step of excluding subframes, used by a second UE, from candidate subframes for PSSCH transmission; and a step of selecting a subframe for transmitting a PSSCH and transmitting the PSSCH, after excluding the subframes, used by the second UE, from the candidate subframes, wherein the subframes used by the second UE include subframes assumed to be repeatedly used by the second UE according to a reservation period of the second UE, wherein, if the reservation period of the second UE is smaller in value than a predetermined value, the shorter the reservation period of the second UE becomes, the greater the number of the subframes assumed to be repeatedly used becomes.

公开(公告)号：US11405895B2

公开(公告)日：2022-08-02

申请号：US16968831

申请日：2019-02-07

Applicant: LG ELECTRONICS INC.

Inventor： Uihyun Hong ,  Hanbyul Seo ,  Hyukjin Chae

IPC: H04W72/04 ,  H04W56/00 ,  H04L1/18 ,  H04L27/26

Abstract: A method and an apparatus for sidelink of a wireless communication system are proposed. The present disclosure proposes an example in which a TX UE or a RX UE sets a length of an ACK/NACK signal adaptively. The TX UE may set the length of the ACK/NACK signal based on various elements such as priority, length, and service coverage of sidelink data, and the RX UE may set the length of the ACK/NACK signal based on various elements obtained from a process for receiving the sidelink data.