公开(公告)号：US20180184459A1

公开(公告)日：2018-06-28

申请号：US15324602

申请日：2015-06-30

Applicant: LG ELECTRONICS INC.

Inventor： Seonwook KIM ,  Joonkui AHN ,  Hanbyul SEO ,  Hyukjin CHAE

IPC: H04W74/08 ,  H04W16/14

CPC classification number: H04W74/0825 ,  H04L5/00 ,  H04W16/14

Abstract: The present invention relates to methods for supporting carrier sensing in a wireless access system supporting an unlicensed band, and devices supporting same. A method for supporting carrier sensing in a wireless access system supporting an unlicensed band, according to an embodiment of the present invention, comprises the steps of: selecting a backoff counter value for performing carrier sensing; performing carrier sensing in a serving cell (S-cell) until the backoff counter value reaches a predetermined threshold value; when the backoff counter value reaches the predetermined threshold value, transmitting data in a transmission opportunity (TXOP) interval; receiving a reception state feedback indicating whether the transmitting of data is success, collision or error; and resetting the backoff counter value on the basis of the reception state feedback, wherein the S-cell can be configured in an unlicensed band.

公开(公告)号：US20180176973A1

公开(公告)日：2018-06-21

申请号：US15323069

申请日：2015-07-07

Applicant: LG ELECTRONICS INC.

Inventor： Youngtae KIM ,  Hanbyul SEO ,  Inkwon SEO ,  Hyukjin CHAE ,  Seungmin LEE

IPC: H04W76/14 ,  H04L5/00 ,  H04W72/12

CPC classification number: H04W76/14 ,  H04L5/0048 ,  H04W72/04 ,  H04W72/12 ,  H04W72/1278

Abstract: The present invention relates to a method and an apparatus for D2D signal transmission of a first terminal in a wireless communication system. Specifically, the method comprises the steps of: receiving a resource pool configuration indicating a D2D resource pool; and transmitting a D2D data channel on the basis of a D2D slot number which is re-indexed within the D2D resource pool.

公开(公告)号：US20180139794A1

公开(公告)日：2018-05-17

申请号：US15564292

申请日：2016-04-21

Applicant: LG ELECTRONICS INC.

Inventor： Hyukjin CHAE ,  Hanbyul SEO ,  Hakseong KIM ,  Seungmin LEE

IPC: H04W76/14 ,  H04W40/24 ,  H04W40/12 ,  H04W8/00 ,  H04W56/00 ,  H04W88/02

Abstract: An embodiment of the present invention relates to a method for selecting a relay for device-to-device (D2D) and receiving a signal by a terminal in a wireless communication system, the method comprising the steps of: receiving a plurality of discovery signals; selecting a relay, using a quality of the plurality of discovery signals and a synchronization signal source ID; and receiving a D2D signal from the selected relay.

公开(公告)号：US20180139640A1

公开(公告)日：2018-05-17

申请号：US15564422

申请日：2016-04-18

Applicant: LG ELECTRONICS INC.

Inventor： Hyukjin CHAE ,  Hanbyul SEO ,  Seungmin LEE

IPC: H04W24/10 ,  H04B17/318 ,  H04L25/02 ,  H04W72/12 ,  H03M13/09

CPC classification number: H04W24/10 ,  H03M13/09 ,  H04B17/318 ,  H04L1/004 ,  H04L5/0044 ,  H04L25/0204 ,  H04W24/02 ,  H04W24/08 ,  H04W48/16 ,  H04W48/20 ,  H04W72/1231 ,  H04W84/047 ,  H04W88/04

Abstract: An embodiment of the present invention relates to a method for performing measurement by a terminal in a wireless communication system, the method comprising the steps of: receiving D2D signals transmitted by a plurality of relay terminals; and performing measurement using at least one signal among the D2D signals, wherein the D2D signal subjected to the measurement is a D2D signal having a valid CRC.

公开(公告)号：US20180132254A1

公开(公告)日：2018-05-10

申请号：US15563923

申请日：2016-04-11

Applicant: LG ELECTRONICS INC.

Inventor： Hyukjin CHAE ,  Hanbyul SEO ,  Seungmin LEE

IPC: H04W72/10 ,  H04W76/14 ,  H04W72/06 ,  H04W72/04

CPC classification number: H04W72/10 ,  H04L67/12 ,  H04W4/70 ,  H04W72/02 ,  H04W72/0446 ,  H04W72/0453 ,  H04W72/06 ,  H04W72/121 ,  H04W72/1247 ,  H04W72/1278 ,  H04W76/14

Abstract: One embodiment of the present invention is a method for a first terminal transmitting/receiving a D2D signal in a wireless communication system, the method for transmitting/receiving a D2D signal comprising the steps of: receiving a D2D control signal transmitted by a second terminal; determining a priority of the second terminal through the D2D control signal; and if the priority of the second terminal is higher than a priority of the first terminal, and if resource regions overlap, the resource regions being indicated by a D2D control signal transmitted by the first terminal and the D2D control signal transmitted by the second terminal respectively, then then the first terminal performing protection of the resource region indicated by the D2D control signal of the second terminal.

公开(公告)号：US20180115970A1

公开(公告)日：2018-04-26

申请号：US15562873

申请日：2016-04-01

Applicant: LG ELECTRONICS INC.

Inventor： Hyukjin CHAE ,  Hanbyul SEO

IPC: H04W72/04 ,  H04W64/00

Abstract: One embodiment of the present invention relates to a method by which a terminal transmits and receives a vehicle to everything (V2X) related signal in a wireless communication system, comprising the steps of: selecting a resource pool by comparing at least one piece of measurement information with a resource pool parameter; and transmitting data by using the resource pool, wherein the at least one piece of measurement information is related to a geographical location of the terminal.

公开(公告)号：US20180098321A1

公开(公告)日：2018-04-05

申请号：US15563845

申请日：2016-04-04

Applicant: LG ELECTRONICS INC.

Inventor： Hyukjin CHAE ,  Kwangseok NOH ,  Dongkyu KIM ,  Hanbyul SEO

IPC: H04W72/04 ,  H04L5/00

CPC classification number: H04W72/0446 ,  H04B7/26 ,  H04B7/2656 ,  H04J11/0073 ,  H04J11/0076 ,  H04L5/0005 ,  H04L5/001 ,  H04L5/0037 ,  H04L5/0053 ,  H04L5/0073 ,  H04L5/1461 ,  H04W56/0015 ,  H04W72/0453 ,  H04W72/082 ,  H04W84/00

Abstract: According to one embodiment of the present invention, a method by which a first device transmits and receives a signal in a wireless communication system comprises the steps of: transmitting system information; and transmitting a downlink signal in a predetermined subframe on the basis of the system information, wherein, when the predetermined subframe is indicated as a subframe for an uplink transmission in the system information, the first device transmits, to a second device, information indicating that a frequency shift has been applied and/or information indicating that a time shift has been applied.

公开(公告)号：US20180077633A1

公开(公告)日：2018-03-15

申请号：US15564696

申请日：2016-04-08

Applicant: LG ELECTRONICS INC.

Inventor： Hyukjin CHAE ,  Hanbyul SEO ,  Seungmin LEE

IPC: H04W48/16 ,  H04W48/08 ,  H04W72/04 ,  H04L5/00

Abstract: A method for transmitting a discovery signal in a wireless communication system, according to an embodiment of the present invention, comprises the steps of: selecting from a resource pool n (n>0) resource units for transmitting a discovery signal; and transmitting the discovery signal by using the selected n resource units, wherein, when the n resource units are selected, the kth (0

公开(公告)号：US20180035447A1

公开(公告)日：2018-02-01

申请号：US15126992

申请日：2015-04-14

Applicant: LG ELECTRONICS INC.

Inventor： Youngtae KIM ,  Hanbyul SEO ,  Jihyun LEE ,  Seungmin LEE ,  Myoungseob KIM ,  Daewon SEO ,  Hyukjin CHAE ,  Kijun KIM ,  Inkwon SEO

IPC: H04W72/12 ,  H04W76/02

CPC classification number: H04W72/1263 ,  H04L1/1887 ,  H04W72/02 ,  H04W72/1278 ,  H04W76/14

Abstract: Disclosed is a method for retransmitting scheduling assignment (SA) information between half-duplex user equipment in a wireless communication system. The method for retransmitting SA information may comprise the steps of: receiving, through a first resource area, a D2D signal including first SA information transmitted by a second user equipment, and second SA information transmitted by a third user equipment; if the target user equipment of the second SA information is the second user equipment, determining whether to retransmit the second SA information for the second user equipment; and if it is determined to retransmit the second information, transmitting the second information through a second resource area.

公开(公告)号：US20170373738A1

公开(公告)日：2017-12-28

申请号：US15543528

申请日：2016-01-25

Applicant: LG ELECTRONICS INC.

Inventor： Hyukjin CHAE ,  Hanbyul SEO ,  Youngtae KIM ,  Kijun KIM

IPC: H04B7/06 ,  H04L27/26 ,  H04W72/04

CPC classification number: H04B7/0617 ,  H04B7/0626 ,  H04L5/00 ,  H04L27/26 ,  H04L27/2614 ,  H04L27/2636 ,  H04W72/04

Abstract: An embodiment of the present invention provides a method for generating a device-to-device (D2D) signal by a terminal in a wireless communication system, the method for generating a D2D signal comprising: a step of mapping, onto one or more resource block (RB) groups, each of one or more modulation symbol groups generated from one or more transmission blocks; and a step for applying different beam vectors to each of the one or more RB groups, wherein the number of beam vectors is determined according to a channel state.