公开(公告)号：US11160040B2

公开(公告)日：2021-10-26

申请号：US16346650

申请日：2017-11-01

Applicant: LG Electronics Inc.

Inventor： Hyukjin Chae ,  Hanbyul Seo

IPC: H04W56/00 ,  H04L5/14 ,  H04W72/00 ,  H04W4/70 ,  H04W76/14 ,  H04W4/40

Abstract: An embodiment of the present invention provides a device-to-device (D2D) signal transmission method wherein a terminal acquires synchronization and transmits a D2D signal by applying an offset in a wireless communication system, the method comprising the steps of: acquiring synchronization from at least one of a global navigation satellite system (GNSS) and an eNB; and transmitting a D2D signal on the basis of the acquired synchronization, wherein, when the terminal a) is located within a time division duplex (TDD) cell and b) is an in-coverage UE, and c) the eNB configures a system frame number (SFN) boundary on the basis of GNSS timing, the terminal applies a predetermined offset when a D2D signal is transmitted, regardless of whether the GNSS is used as a synchronization reference.

公开(公告)号：US11140696B2

公开(公告)日：2021-10-05

申请号：US16064894

申请日：2018-03-30

Applicant: LG ELECTRONICS INC.

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

IPC: H04W72/12 ,  H04W72/02 ,  H04W72/04 ,  H04W72/14 ,  H04W4/40 ,  H04L1/00 ,  H04W92/18

Abstract: Provided is a method for transmitting a signal by a terminal for vehicle-to-everything (V2X) communication in a wireless communication system and a terminal using the same method. The method comprises: mapping V2X data to a resource of a subframe including multiple symbols in a time domain; and transmitting the mapped V2X data to another terminal, wherein, in the step of mapping, resource elements included in a last symbol of the subframe are excluded.

公开(公告)号：US20210282143A1

公开(公告)日：2021-09-09

申请号：US17262587

申请日：2019-08-08

Applicant: LG ELECTRONICS INC.

Inventor： Seungmin Lee ,  Hyukjin Chae

IPC: H04W72/04 ,  H04W52/34 ,  H04W52/42 ,  H04B7/0426 ,  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：US11108516B2

公开(公告)日：2021-08-31

申请号：US16492250

申请日：2018-03-21

Applicant: LG Electronics Inc.

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

IPC: H04L5/00 ,  H04W4/44 ,  H04L1/00 ,  H04L1/06 ,  H04L1/18 ,  H04W72/04

Abstract: The present invention relates to a method and apparatus for a transmission device to transmit a reference signal in a wireless communication system. Specifically, the method includes: a step for receiving the settings of a resource pool composed of uplink resources; and a step for mapping reference signals and data onto a specific uplink resource on the basis of the resource pool settings and N (where N is a natural number) antennas for the transmission device, and is characterized in that the reference signals are mapped to at least one resource element at a specific location on the specific uplink resource, and the data is mapped on the specific uplink resource excluding the at least one specific location to be mutually orthogonal on the basis of one resource axis among the time-frequency resources and so that the data is continuous depending on the number of antennas. The transmitting device is capable of communicating with at least one of another receiving device, a receiving device related to an autonomous driving vehicle, a base station or a network.

公开(公告)号：US11102749B2

公开(公告)日：2021-08-24

申请号：US16635992

申请日：2018-08-03

Applicant: LG ELECTRONICS INC.

Inventor： Hyukjin Chae ,  Hanbyul Seo

IPC: H04W64/00 ,  H04W4/70 ,  H04W4/029 ,  G05D1/00 ,  H04B7/06 ,  H04L5/00 ,  H04W72/04

Abstract: Various embodiments provide a method and an apparatus for acquiring ranging information by a terminal in a wireless communication system supporting device to device (D2D) communication. Specifically, disclosed are a method and an apparatus for acquiring ranging information by a terminal, the method comprising the steps of: receiving, from a road side unit (RSV), a ranging signal including location information of the RSU; transmitting a feedback signal to the RSU, in a resource region determined on the basis of geographic information of the terminal; and receiving a response signal from the RSU, as a response to the feedback signal, and acquiring ranging information on the basis of the received response signal, wherein the response signal further includes ranging information of another terminal which has received the ranging signal and transmitted a feedback signal.

公开(公告)号：US20210235403A1

公开(公告)日：2021-07-29

申请号：US17258700

申请日：2019-08-05

Applicant: LG ELECTRONICS INC.

Inventor： Seungmin Lee ,  Kyuhwan Kwak ,  Hanbyul Seo ,  Hyukjin Chae

IPC: H04W56/00 ,  H04W72/04 ,  H04W72/10 ,  H04W4/40

Abstract: A method by which a first device (100) performs sidelink communication is provided. The method can comprise the steps of: determining, from among a plurality of bandwidth parts (BWPs) included in a first carrier, one or more BWPs to be used in order to acquire a priority of the first carrier; selecting one or more synchronization references on the one or more BWPs; and determining a specific priority from among priorities of the one or more synchronization references to be the priority of the first carrier.

公开(公告)号：US20210212089A1

公开(公告)日：2021-07-08

申请号：US17211742

申请日：2021-03-24

Applicant: LG ELECTRONICS INC.

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

IPC: H04W72/12 ,  H04L1/18 ,  H04L1/00 ,  H04L5/00 ,  H04B17/327 ,  H04W4/40 ,  H04W72/02

Abstract: Provided are a resource selection method for a vehicle-to-everything (V2X) operation of a terminal in a wireless communication system, and a terminal using the method. The method comprises: monitoring physical sidelink control channels (PSCCHs) for other terminals in a first subframe; and transmitting, in a second subframe, a V2X message by using a resource which is not overlapped with a resource scheduled by the PSCCH for another terminal.

公开(公告)号：US11012833B2

公开(公告)日：2021-05-18

申请号：US15999825

申请日：2017-02-20

Applicant: LG ELECTRONICS INC.

Inventor： Myoungseob Kim ,  Byounghoon Kim ,  Hanbyul Seo ,  Hyukjin Chae

IPC: H04W4/40 ,  H04W76/11 ,  H04W28/06 ,  H04W84/04 ,  H04W4/021 ,  H04W4/02 ,  H04W4/44 ,  H04W4/46 ,  H04W4/12 ,  H04W92/18

Abstract: Disclosed is a method for transmitting a V2X message in a wireless communication system, and an apparatus therefor. Specifically, a method by which a first user equipment (UE) transmits a V2X message in a wireless communication system that supports V2X communication comprises the steps of: receiving, from a plurality of second UEs, a plurality of V2X messages; generating a specific V2X message based on the plurality of received V2X messages; and transmitting, to at least one third UE, the generated specific V2X message, wherein each of the plurality of received V2X messages can include a common information element related to the plurality of second UEs, and a dedicated information element configured for each terminal; and the specific V2X message can include a plurality of dedicated information elements that have been received from the plurality of second UEs and that correspond to the plurality of second UEs, and the common information element.

公开(公告)号：US11006335B2

公开(公告)日：2021-05-11

申请号：US16494745

申请日：2018-03-16

Applicant: LG ELECTRONICS INC.

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

IPC: H04W36/00 ,  H04L5/00 ,  H04W72/04

Abstract: The present application discloses a method for transmitting a signal by a transmission terminal using direct device-to-device communication in a multicarrier communication system. Specifically, the method comprises the steps of: transmitting first data and first control information for the first data to a reception terminal via a first carrier; and transmitting second data and second control information for the second data to the reception terminal via a second carrier, wherein the first control information includes multicarrier-related information indicating at least one among an indicator indicating whether transmission is multicarrier transmission via the first carrier and the second carrier, an identifier of the transmission terminal, and an indicator indicating whether transmission timing of the first carrier and transmission timing of the second carrier coincide.

公开(公告)号：US11006298B2

公开(公告)日：2021-05-11

申请号：US16497240

申请日：2018-03-26

Applicant: LG Electronics Inc.

Inventor： Seungmin Lee ,  Hyukjin Chae

IPC: H04W24/08 ,  H04W4/46 ,  H04W76/14 ,  H04L5/00 ,  H04W74/08

Abstract: The present invention provides a V2X communication performance method which is performed by a vehicle-to-X (V2X) terminal in a wireless communication system, and which is based on a relatively short transmission time interval (S-TTI) compared to a legacy transmission time interval (L-TTI), whereby a channel busy ratio (CBR) or a channel occupancy ratio (CR) for the S-TTI-based V2X communication is measured, and the S-TTI-based V2X communication is performed based on the measured CBR or CR, wherein the S-TTI has a variable length.