公开(公告)号：US11043984B2

公开(公告)日：2021-06-22

申请号：US16686693

申请日：2019-11-18

Applicant: LG ELECTRONICS INC.

Inventor： Hyukjin Chae ,  Youngtae Kim

IPC: H04B1/713 ,  H04L5/00 ,  H04W72/04 ,  H04W92/18

Abstract: A method for transmitting a signal by a Device-to-Device (D2D) User Equipment (UE) in a wireless communication system includes mapping block of complex-valued symbols to Physical Resource Blocks (PRBs) based on a subband based-frequency hopping related to an uplink frequency hopping; generating a Single Carrier Frequency Division Multiple Access (SC-FDMA) signal; and transmitting the SC-FDMA signal. Further, a slot index for the subband based-frequency hopping is re-indexed based on subframe indexes re-indexed within a D2D resource pool based on the block of complex valued symbols for a D2D communication signal.

公开(公告)号：US11026200B2

公开(公告)日：2021-06-01

申请号：US16528162

申请日：2019-07-31

Applicant: LG ELECTRONICS INC.

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

IPC: H04W56/00 ,  H04L5/00 ,  H04L27/26 ,  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：US11005624B2

公开(公告)日：2021-05-11

申请号：US16479332

申请日：2018-01-18

Applicant: LG ELECTRONICS INC.

Inventor： Heejin Kim ,  Youngtae Kim ,  Hanbyul Seo ,  Hyukjin Chae

IPC: H04L5/00 ,  H04W72/04 ,  H04W92/18

Abstract: The present application discloses a method for a terminal to transmit data to another terminal in a wireless communication system by using direct communication between the terminals. Particularly, the method comprises: a step of transmitting, to another terminal, a data signal and a plurality of reference signals corresponding to a plurality of transmission beams, on a frame configured with one or more data symbols and one or more reference signal symbols; a step of receiving, from the another terminal, a negative response to the data signal, and information on a reference signal corresponding to at least one preferred transmission beam among the plurality of transmission beams; and a step of re-transmitting, to the another terminal, the data signal which has been precoded based on the preferred transmission beam, wherein the plurality of reference signals are time-division multiplexed within one reference signal symbol.

公开(公告)号：US10965500B2

公开(公告)日：2021-03-30

申请号：US16554227

申请日：2019-08-28

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Kijun Kim ,  Jonghyun Park ,  Youngtae Kim

IPC: H04L25/02 ,  H04L5/00 ,  H04B7/0452 ,  H04B7/0456 ,  H04J13/00 ,  H04J13/18 ,  H04W72/04

Abstract: A method by which a terminal estimates a channel in a wireless access system can comprises the steps of: receiving mapping information on a port and a layer of a data demodulation reference signal (DMRS); receiving change information on whether the port of the DMRS has been changed; and determining a change in port information on the basis of an indicator and estimating a channel of the DMRS.

公开(公告)号：US20210044473A1

公开(公告)日：2021-02-11

申请号：US17083209

申请日：2020-10-28

Applicant: LG ELECTRONICS INC.

Inventor： Youngtae Kim ,  Hyukjin Chae ,  Hanbyul Seo

IPC: H04L27/26 ,  H04W4/46 ,  H04W4/70 ,  H04W24/10 ,  H04W72/04

Abstract: The present invention relates to a method for electricity measurement by a vehicle-to-vehicle (V2V) device for V2V communications in a wireless communication system and to a device therefor. In particular, the present invention includes the steps of: receiving at least one synchronization signal for V2V through a physical sidelink broadcast channel (PSBCH); and measuring received electricity from said at least one synchronization signal if the ID of said at least one synchronization signal is linked to a demodulation reference signal (DMRS) sequence having, applied thereto, an orthogonal cover code (OCC) having one fixed value, wherein the measurement is performed by means of averaging for each ID of said at least one synchronization signal.

公开(公告)号：US10887945B2

公开(公告)日：2021-01-05

申请号：US16813435

申请日：2020-03-09

Applicant: LG Electronics Inc.

Inventor： Hyangsun You ,  Sukhyon Yoon ,  Youngtae Kim

IPC: H04W88/14 ,  H04W56/00 ,  H04W76/27 ,  H04W72/04 ,  H04W16/28

Abstract: The disclosure proposes a resource determination method performed by a communication node in a wireless communication system and a communication node using the method. The method may be a method performed for an IAB system.

公开(公告)号：US10820303B2

公开(公告)日：2020-10-27

申请号：US16463302

申请日：2017-11-29

Applicant: LG Electronics Inc.

Inventor： Youngtae Kim ,  Hanbyul Seo

IPC: H04W72/04 ,  H04W4/44 ,  H04W72/02 ,  H04W4/00 ,  H04W4/02

Abstract: The present invention relates to a method and device for performing vehicle-to-everything (V2X) communication in a wireless communication system. More specifically: information indicating whether to be selected as a representative terminal (representative UE) is received from a network entity; when selected as the representative terminal, V2X communication is performed using a resource pool associated with a virtual point moving at a predetermined speed and set by the network entity; and when selected as the representative terminal, a reference signal is transmitted to at least one second terminal existing in a coverage corresponding to the virtual point.

公开(公告)号：US10694347B2

公开(公告)日：2020-06-23

申请号：US16283167

申请日：2019-02-22

Applicant: LG Electronics Inc.

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

IPC: H04W74/08 ,  H04W72/12 ,  H04W72/04 ,  H04W4/40 ,  H04W28/26 ,  H04W74/00 ,  H04W72/14 ,  H04W76/28 ,  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: reserving a finite number of resources used for performing a V2X communication; and performing the V2X communication on the finite number of reserved resources.

公开(公告)号：US20200178212A1

公开(公告)日：2020-06-04

申请号：US16613237

申请日：2018-05-17

Applicant: LG Electronics Inc.

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

IPC: H04W72/02 ,  H04W72/04

Abstract: The present invention relates to a method and an apparatus for allocating a resource by a terminal in a wireless communication system supporting carrier aggregation. Specifically, the method comprises the steps of: receiving a configuration of a resource pool for signal transmission; and allocating at least one message to at least one resource unit on the basis of the resource pool, wherein the allocated resource unit is selected on the basis of the transmission capability of a terminal. The terminal 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：US20200007297A1

公开(公告)日：2020-01-02

申请号：US16477298

申请日：2018-01-12

Applicant: LG Electronics Inc.

Inventor： Uihyun Hong ,  Youngtae Kim ,  Hanbyul Seo ,  Sungyong Kang

IPC: H04L5/00 ,  H04L1/18 ,  H04W28/04 ,  H04W4/40

Abstract: A disclosed feature of the present specification is to provide a method for transmitting a hybrid automatic repeat request (HARQ) acknowledgement/negative-acknowledgement (ACK/NACK) signal using a sidelink. The method may comprise the steps of: receiving from a transmission terminal data in a first time section within a sidelink subframe n; and transmitting a HARQ ACK/NACK signal in a second time section within the sidelink subframe n. A gap may exist between the first time section and the second time section in the sidelink subframe n. The gap can be used for switching between reception and transmission.