公开(公告)号：US20180375710A1

公开(公告)日：2018-12-27

申请号：US16064437

申请日：2016-12-21

Applicant: LG ELECTRONICS INC.

Inventor： Hyukjin CHAE

IPC: H04L27/26 ,  H04L5/00 ,  H04W72/04 ,  H04W4/70

CPC classification number: H04L27/2649 ,  H04L5/0007 ,  H04L5/0048 ,  H04L5/0051 ,  H04L27/2613 ,  H04L27/2675 ,  H04W4/70 ,  H04W56/002 ,  H04W72/0406 ,  H04W72/0446 ,  H04W76/14

Abstract: One embodiment of the present invention relates to a method for a terminal generating and transmitting a reference signal and data in a wireless communication system, comprising the steps of: generating a sequence corresponding to a basic bandwidth; generating a demodulation reference signal (DMRS) corresponding to the entire bandwidth by mapping the generated sequence onto a frequency band; truncating the generated DMRS according to the bandwidth of data to be transmitted; and transmitting the truncated DMRS and the data.

公开(公告)号：US20180332564A1

公开(公告)日：2018-11-15

申请号：US15976385

申请日：2018-05-10

Applicant: LG ELECTRONICS INC.

Inventor： Seungmin LEE ,  Hanbyul SEO ,  Hyukjin CHAE

IPC: H04W72/02 ,  H04W4/40 ,  H04W72/04 ,  H04W72/00 ,  H04W8/00

Abstract: Provided are a method for transmitting a vehicle-to-everything (V2X) signal performed by a user equipment (UE) having a limited transmission capability in a multi-carrier system and a UE using the method. The method includes selecting a first resource in a first carrier, if using a specific subframe in a second carrier exceeds a transmission capability of the UE considering the first resource, selecting a second resource randomly among the remaining subframes except the specific subframe in the second carrier and transmitting the V2X signal using the first resource and the second resource.

公开(公告)号：US20180278348A1

公开(公告)日：2018-09-27

申请号：US15981292

申请日：2018-05-16

Applicant: LG ELECTRONICS INC. ,  INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY

Inventor： Hyukjin CHAE ,  Byoung-Yoon MIN ,  Kiyeon KIM ,  Dong Ku KIM

IPC: H04B17/336 ,  H04W72/08 ,  H04B7/06 ,  H04L1/00

CPC classification number: H04B17/336 ,  H04B7/024 ,  H04B7/0626 ,  H04L1/0026 ,  H04W24/08 ,  H04W72/082 ,  H04W72/1226

Abstract: A method for transceiving, by a network, a signal through at least two streams in a wireless communication system, includes measuring a channel state for the at least two streams by using a reference signal, determining at least one stream pair including a transmission stream and a reception stream based on the measured channel state, initiating a direction of one or more streams of the at least one stream pair, and transceiving the signal based on the one or more streams of the at least one stream pair.

公开(公告)号：US20180255444A1

公开(公告)日：2018-09-06

申请号：US15759808

申请日：2016-09-19

Applicant: LG ELECTRONICS INC.

Inventor： Hyukjin CHAE ,  Hanbyul SEO

IPC: H04W4/44 ,  H04W72/04

CPC classification number: H04W4/44 ,  H04L5/0044 ,  H04L5/0051 ,  H04L5/0053 ,  H04L5/0094 ,  H04L25/03866 ,  H04W72/0406 ,  H04W72/0446

Abstract: One embodiment of the present invention relates to a method for a terminal transmitting a message in a wireless communication system, comprising the steps of: generating a message; and transmitting, from a resource sectioned on a time axis, control information for the message and the message when the size of the message is larger than a predetermine value, and transmitting, from a resource sectioned on a frequency axis, the control information for the message and the message when the size of the message is smaller than the predetermined value.

公开(公告)号：US20180254872A1

公开(公告)日：2018-09-06

申请号：US15759824

申请日：2016-10-21

Applicant: LG ELECTRONICS INC.

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

IPC: H04L5/00 ,  H04L1/18

CPC classification number: H04L5/0053 ,  H04L1/1816 ,  H04L1/1861 ,  H04L5/0007 ,  H04L5/0055 ,  H04L2001/0093

Abstract: Disclosed in the present application is a method by which a terminal transmits and receives a signal. Particularly, the method comprises the steps of: receiving a downlink signal from a plurality of cells; transmitting, to a serving cell among the plurality of cells, an acknowledgement/negative ACK (ACK/NACK) response for the downlink signal; and receiving, from at least one cell among the plurality of cells, retransmission for the downlink signal.

公开(公告)号：US20180249307A1

公开(公告)日：2018-08-30

申请号：US15758321

申请日：2016-09-12

Applicant: LG ELECTRONICS INC.

Inventor： Youngtae KIM ,  Hanbyul SEO ,  Hyukjin CHAE

IPC: H04W4/44 ,  H04W72/04

CPC classification number: H04W4/44 ,  H04B1/713 ,  H04B2001/6908 ,  H04L5/00 ,  H04W72/04

Abstract: The present invention relates to a method and a device for transmitting a vehicle to everything (V2X) signal of user equipment for V2X communication in a wireless communication system. Particularly, the present invention comprises the steps of: receiving a resource pool configuration of which a first resource unit and a second resource unit, set for V2X communication, are defined; and transmitting the V2X signal, according to the resource pool configuration, through a specific resource region among the entire time-frequency hopped resource region, wherein the first resource unit is a multiple of the second resource unit, a first resource region corresponding to the first resource unit comprises a plurality of second resource regions corresponding to the second resource unit, and with respect to time-frequency hopping, frequency axis-based hopping or time axis-based hopping is determined according to a period of the V2X signal.

公开(公告)号：US20180242287A1

公开(公告)日：2018-08-23

申请号：US15753877

申请日：2016-08-22

Applicant: LG ELECTRONICS INC.

Inventor： Hyukjin CHAE ,  Hanbyul SEO

IPC: H04W72/04 ,  H04W56/00 ,  H04W4/40 ,  H04W4/70 ,  H04J13/00 ,  H04L5/00

CPC classification number: H04W72/042 ,  H04J11/0069 ,  H04J13/00 ,  H04J13/0062 ,  H04J2013/0096 ,  H04L5/0048 ,  H04L27/2611 ,  H04L27/2613 ,  H04W4/40 ,  H04W4/70 ,  H04W56/00 ,  H04W56/001

Abstract: In one embodiment of the present invention, a method by which a terminal transmits a signal in a wireless communication system comprises the steps of: generating a sequence having a length of 63 and having a punctured central element; inserting one or more zeros among respective elements of the sequence and mapping the sequence to RE; and transmitting the mapped sequence, wherein the number of one or more zeros inserted among the respective elements of the sequence corresponds to (a repetition factor—1), and zeros are additionally inserted such that the sequence is symmetrical with respect to the central element of the sequence, when the repetition factor is an even number.

公开(公告)号：US20180220481A1

公开(公告)日：2018-08-02

申请号：US15578866

申请日：2016-06-28

Applicant: LG ELECTRONICS INC.

Inventor： Inkwon SEO ,  Hyukjin CHAE

IPC: H04W76/14 ,  H04L1/18 ,  H04W72/12

CPC classification number: H04W76/14 ,  H04L1/18 ,  H04L1/1816 ,  H04L5/00 ,  H04L25/03 ,  H04W72/121 ,  H04W72/1278 ,  H04W88/04

Abstract: A method, according to one embodiment of the present invention, for transmitting device-to-device (D2D) signals by a first terminal supporting D2D communications comprises the steps of: transmitting, to a second terminal, scheduling assignment (SA) information for scheduling D2D data; and transmitting the D2D data to the second terminal according to the SA information, wherein the D2D data are repeatedly transmitted by the first terminal, and the first terminal may request the second terminal to perform, together with the first terminal, repeated transmissions of the D2D data in a single frequency network (SFN) manner on the same time-frequency resource.

公开(公告)号：US20180213499A1

公开(公告)日：2018-07-26

申请号：US15742876

申请日：2016-07-08

Applicant: LG ELECTRONICS INC.

Inventor： Seungmin LEE ,  Hanbyul SEO ,  Hyukjin CHAE

IPC: H04W56/00 ,  H04W4/40 ,  H04W72/12

CPC classification number: H04W56/0015 ,  H04W4/40 ,  H04W56/002 ,  H04W72/1289

Abstract: Provided are a synchronization method of first user equipment (P-UE) in a wireless communication system and user equipment using the method. The method involves receiving a V2X (vehicle-to-everything) message, sent by second user equipment (V-UE) via a second carrier, and performing synchronization on the basis of the V2X message. The first user equipment (P-UE) communicates with a base station via a first carrier, wherein the first carrier differs from the second carrier.

公开(公告)号：US20180124682A1

公开(公告)日：2018-05-03

申请号：US15572262

申请日：2016-05-09

Applicant: LG ELECTRONICS INC.

Inventor： Hyukjin CHAE ,  Hanbyul SEO

IPC: H04W48/08 ,  H04W72/04 ,  H04W8/00

Abstract: An embodiment of the present invention relates to a method by which a terminal transmits a discovery signal in a wireless communication system, comprising the steps of: determining a subframe pool for data transmission; determining a subframe set for transmitting a D2D signal by applying a time resource pattern (TRP) bitmap to the subframe pool for the data transmission; and transmitting a discovery message in a subframe corresponding to the n number of bits of the TRP bitmap.