公开(公告)号：US11706009B2

公开(公告)日：2023-07-18

申请号：US17374686

申请日：2021-07-13

Applicant: LG Electronics Inc.

Inventor： Youngtae Kim ,  Hanbyul Seo ,  Sungyong Kang ,  Heejin Kim ,  Seungmin Lee ,  Hyukjin Chae

IPC: H04L5/00 ,  H04W4/44 ,  H04W76/28 ,  H04L1/1829 ,  H04W28/04

CPC classification number: H04L5/0055 ,  H04L1/1854 ,  H04W4/44 ,  H04W28/04 ,  H04W76/28

Abstract: The present invention relates to a method and apparatus for transmitting and receiving an acknowledgement/negative-acknowledgement (ACK/NACK) by a terminal for vehicle-to-everything (V2X) communication in a wireless communication system. Particularly, the method comprises the steps of: receiving a configuration for a resource pool for V2X communication; for a particular wireless resource in a resource pool, when a reception time point of a first ACK/NACK and a transmission time of a second ACK/NACK have been simultaneously configured, determining a use of the particular wireless resource; and transmitting and receiving one ACK/NACK selected from the first ACK/NACK and the second ACK/NACK, on the basis of the use of the particular wireless resource. The UE is capable of communicating with at least one of another UE, a UE related to an autonomous driving vehicle, a base station or a network.

公开(公告)号：US11700601B2

公开(公告)日：2023-07-11

申请号：US17262587

申请日：2019-08-08

Applicant: LG ELECTRONICS INC.

Inventor： Seungmin Lee ,  Hyukjin Chae

IPC: H04B7/0426 ,  H04W72/044 ,  H04W76/14 ,  H04W52/34 ,  H04W52/42

CPC classification number: H04W72/0473 ,  H04B7/0426 ,  H04W52/34 ,  H04W52/42 ,  H04W76/14

Abstract: Disclosed are a method and an apparatus by which user equipment controls transmission power of a sidelink signal in a wireless communication system that supports a sidelink, according to various embodiments. Disclosed are a method and an apparatus by which user equipment controls transmission power of a sidelink signal in a wireless communication system that supports a sidelink, wherein the method comprises the steps of: calculating required power for each antenna unit included in a plurality of antenna units to which the sidelink signal is transmitted; determining reference transmission power on the basis of the required power calculated for the plurality of antenna units; and allocating transmission power for the plurality of antenna units on the basis of the reference transmission power.

公开(公告)号：US11689337B2

公开(公告)日：2023-06-27

申请号：US17444457

申请日：2021-08-04

Applicant: LG ELECTRONICS INC.

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

IPC: H04L5/00 ,  H04W72/12 ,  H04W52/38 ,  H04L27/26 ,  H04W72/20 ,  H04W52/36 ,  H04W76/14 ,  H04W74/04 ,  H04W52/34 ,  H04W52/32

CPC classification number: H04L5/0053 ,  H04L27/2602 ,  H04W52/36 ,  H04W52/383 ,  H04W72/12 ,  H04W72/20 ,  H04W74/04 ,  H04W76/14 ,  H04L5/005 ,  H04L5/0051 ,  H04W52/325 ,  H04W52/346

Abstract: An embodiment of the present invention provides a method in which a terminal transmits a device-to-device (D2D) signal in a wireless communication system. The D2D signal transmission method includes: transmitting D2D control information; and transmitting D2D data corresponding to the D2D control information, wherein the D2D control information and the D2D data are transmitted in the same subframe, and the D2D control information and the D2D data are always adjacent to each other in the frequency axis.

公开(公告)号：US11671303B2

公开(公告)日：2023-06-06

申请号：US17832115

申请日：2022-06-03

Applicant: LG ELECTRONICS INC.

Inventor： Hyukjin Chae ,  Hanbyul Seo ,  Hakseong Kim ,  Suhwan Lim ,  Inkwon Seo

IPC: H04J11/00 ,  H04L27/26 ,  H04W76/14 ,  H04W52/54 ,  H04W4/70

CPC classification number: H04L27/2662 ,  H04J11/00 ,  H04W52/54 ,  H04W76/14 ,  H04W4/70

Abstract: One embodiment of the present invention is a method by which a D2D terminal transmits a synchronization signal in a wireless communication system, the synchronization signal transmission method comprising: generating a primary sidelink synchronization signal (PSSS); and transmitting the PSSS, wherein the transmission power of the PSSS is the same as the transmission power of a channel in which system and synchronization-related information is transmitted.

公开(公告)号：US11626920B2

公开(公告)日：2023-04-11

申请号：US17261760

申请日：2019-08-08

Applicant: LG ELECTRONICS INC.

Inventor： Seungmin Lee ,  Heejin Kim ,  Sunghoon Jung ,  Hyukjin Chae

IPC: H04B7/08 ,  H04W76/19 ,  H04L1/20 ,  H04W48/16 ,  H04W92/18

Abstract: Disclosed are a method and an apparatus for a terminal to perform a radio link monitoring in a wireless communication system for supporting a sidelink according to various embodiments. Disclosed are a method and an apparatus for a terminal to perform a radio link monitoring in a wireless communication system for supporting a sidelink, the method comprising: a step of setting a beam failure recovery (BFR) parameter for a plurality of services on the basis of service attributes, for each service; and a step of independently sensing a beam failure for at least one beam corresponding to each service on the basis of a block error ratio (BLER) threshold value included in the BFR parameter and the number of beam failure instances (BFIs).

公开(公告)号：US11570735B2

公开(公告)日：2023-01-31

申请号：US17246175

申请日：2021-04-30

Applicant: LG ELECTRONICS INC.

Inventor： Hakseong Kim ,  Inkwon Seo ,  Hanbyul Seo ,  Daewon Seo ,  Youngtae Kim ,  Hyukjin Chae

IPC: H04W56/00 ,  H04L27/26 ,  H04L5/00 ,  H04W76/14

Abstract: The present invention relates to a method and an apparatus which enable a terminal to transmit a signal for device-to-device (D2D) communication in a wireless communication system. Specifically, the present invention transmits a synchronization signal for D2D communication and a demodulation reference signal (DM-RS) for demodulation of the synchronization signal, wherein the base sequence of the demodulation reference signal is generated using a synchronization reference ID.

公开(公告)号：US11546922B2

公开(公告)日：2023-01-03

申请号：US17257690

申请日：2019-08-05

Applicant: LG ELECTRONICS INC.

Inventor： Seungmin Lee ,  Kyuhwan Kwak ,  Hyukjin Chae

IPC: H04W72/10 ,  H04W4/40 ,  H04W28/02 ,  H04W72/04 ,  H04W92/18

Abstract: A method by which a first device (100) performs sidelink transmission is provided. The method can comprise the steps of: determining a priority of a first carrier including a plurality of BWPs; allocating transmission power for the first carrier on the basis of the priority; and performing sidelink transmission through the plurality of BWPs on the basis of the transmission power.

公开(公告)号：US11503640B2

公开(公告)日：2022-11-15

申请号：US16761486

申请日：2018-11-08

Applicant: LG ELECTRONICS INC.

Inventor： Hojae Lee ,  Gwanmo Ku ,  Haewook Park ,  Kilbom Lee ,  Sangrim Lee ,  Hyukjin Chae

IPC: H04W74/08 ,  H04W4/44 ,  H04L1/18 ,  H04L5/00 ,  H04W72/02 ,  H04W72/04 ,  H04W72/12

Abstract: A method by which a terminal transmits feedback information comprises the steps of: determining, in predetermined resource units for receiving the broadcast information in a broadcast resource region, whether broadcast information collides; selecting a first shared resource in a shared resource region corresponding to a first broadcast resource in which the conflict occurs in the broadcast resource region, on the basis of a pre-defined mapping rule of the broadcast resource region and the shared resource region; and transmitting, in the selected first shared resource, feedback information including information on the occurrence of the collision, wherein the broadcast resource region is a resource region, which is defined so as to transmit or receive the broadcast information, and the shared resource region can be determined as a resource region shared between a plurality of terminals. The UE is capable of communicating with at least one of another UE, a UE related to an autonomous driving vehicle, a base station or a network.

公开(公告)号：US11457461B2

公开(公告)日：2022-09-27

申请号：US17260670

申请日：2019-07-18

Applicant: LG ELECTRONICS INC.

Inventor： Uihyun Hong ,  Hanbyul Seo ,  Hyukjin Chae

IPC: H04W72/04 ,  H04W72/12 ,  H04L27/26 ,  H04W52/52 ,  H04W72/02

Abstract: One embodiment of the present invention relates to a method whereby a sidelink terminal transmits a signal in a wireless communications system, the signal transmission method comprising the steps of: mapping data to symbols in a slot; and transmitting a signal after mapping the data, wherein whether to map data to a predetermined symbol in the slot and the interval of mapping are determined on the basis of subcarrier spacing and a frequency range.

公开(公告)号：US11452002B2

公开(公告)日：2022-09-20

申请号：US16648063

申请日：2018-09-19

Applicant: LG ELECTRONICS INC.

Inventor： Hyukjin Chae ,  Seungmin Lee

IPC: H04B17/318 ,  H04W74/08 ,  H04W28/02 ,  H04W72/04 ,  H04W92/18

Abstract: Disclosed are a method whereby a terminal transmits a device-to-device (D2D) signal in a wireless communication system that supports D2D communication according to various embodiments, and an apparatus therefor. Disclosed are a method whereby a terminal transmits a D2D signal, and an apparatus therefor, wherein the method comprises: a step of measuring a technology congestion level with regard to a predetermined resource area; and a step of determining a wireless technology that is to be used for the 2D2 signal transmission on the basis of the technology congestion level, and transmitting the D2D signal on the basis of the determined wireless technology, and wherein the technology congestion level is related to the proportion of received signals that include information regarding the usage of a particular wireless technology in the predetermined resource area.