公开(公告)号：US20200099561A1

公开(公告)日：2020-03-26

申请号：US16500709

申请日：2018-04-03

Applicant: LG ELECTRONICS INC.

Inventor： Sangrim LEE ,  Hojae LEE ,  Hanbyul SEO ,  Sukhyon YOON

IPC: H04L27/26 ,  H04L5/00 ,  H03D3/02 ,  G01S11/02

Abstract: According to one embodiment of the present invention, a method by which a first wireless device receives a reference signal for distance measurement in a wireless communication system can comprise the steps of: receiving, from a second wireless device, a first reference signal including a first sinusoidal signal having a first angular frequency and a second sinusoidal signal having a second angular frequency; performing fast Fourier transform (FFT) on the first reference signal; acquiring a phase difference between the first sinusoidal signal and the second sinusoidal signal on the basis of the FFT result; and transmitting, to the second wireless device, a second reference signal for the distance measurement and a third reference signal indicating information on the phase difference. The first wireless device is capable of communicating with at least one of another wireless device, a wireless device related to an autonomous driving vehicle, a base station or a network.

公开(公告)号：US20200053789A1

公开(公告)日：2020-02-13

申请号：US16342793

申请日：2017-08-08

Applicant: LG Electronics Inc.

Inventor： Sangrim LEE ,  Hojae LEE ,  Dongkyu KIM ,  Myeongjin KIM ,  Kwangseok NOH

IPC: H04W74/08 ,  H04W74/00

Abstract: A method for performing, by a terminal, a contention-based uplink transmission in a wireless communication system, according to one embodiment of the present invention, comprises the steps of: selecting any one of a plurality of codewords and any one of a plurality of demodulation reference signals (DMRS), the plurality of codewords and the plurality of DMRSs being set in a contention resource area for a contention-based uplink transmission; and transmitting, through the contention resource area, uplink data that corresponds to the selected codeword, and the selected DMRS, wherein the DMRS is transmitted in an orthogonal multiple access (OMA) scheme, the uplink data is transmitted in a non-orthogonal multiple access (NOMA) scheme, and the selected DMRS is one of the K DMRSs mapped to the selected codeword, wherein K may be an integer greater than or equal to 1, which is changed according to a DMRS collision occurring in the contention resource area.

公开(公告)号：US20200041604A1

公开(公告)日：2020-02-06

申请号：US16489445

申请日：2017-10-10

Applicant: LG Electronics Inc.

Inventor： Myeongjin KIM ,  Sangrim LEE ,  Hojae LEE ,  Dongkyu KIM

IPC: G01S5/00 ,  G01S5/10

Abstract: A method for transmitting information for position measurement by a terminal in a wireless communication system. The method for transmitting information for position measurement by a terminal may include the steps of: receiving a reference signal from a base station; and transmitting information for position measurement to the base station on the basis of the reference signal. The information for the position measurement may be information related to a phase difference of arrival (PDOA). The terminal is capable of communicating with at least one of another terminal, a terminal related to an autonomous driving vehicle, the base station or a network.

公开(公告)号：US20200022188A1

公开(公告)日：2020-01-16

申请号：US16487268

申请日：2018-01-24

Applicant: LG Electronics Inc.

Inventor： Sangrim LEE ,  Hojae LEE

IPC: H04W74/08 ,  H04W72/12 ,  H04L1/08

Abstract: A method by which a terminal transmits an uplink signal in a wireless communication system, according to one embodiment of the present invention, comprises the steps of: transmitting any one of a plurality of preambles; and performing a contention-based transmission of data in consideration of the transmitted preamble, wherein each of the plurality of preambles is linked with a plurality of data resource areas, and when the contention-based transmission of data is performed, the terminal can repeatedly transmit the data through the plurality of data resource areas linked with the transmitted preamble.

公开(公告)号：US20190312623A1

公开(公告)日：2019-10-10

申请号：US16347411

申请日：2017-11-03

Applicant: LG Electronics Inc.,

Inventor： Haewook PARK ,  Heejin KIM ,  Sangrim LEE ,  Jiwon KANG ,  Kijun KIM

IPC: H04B7/06 ,  H04L5/00 ,  H04B7/0456 ,  H04B7/0426 ,  H04B17/336

Abstract: In an aspect of the present invention, a method for transmitting channel state information (CSI) of terminal in a wireless communication system may include: receiving a CSI-reference signal (RS); generating a first matrix for a channel based on the CSI-RS; generating a second matrix having a lower dimension than the first matrix by calculating the first matrix and an orthogonal beam matrix having a lower dimension than the first matrix; and transmitting to a base station information on the second matrix and/or the orthogonal beam matrix as the CSI, in which the orthogonal beam matrix may be a matrix including a plurality of orthogonal beams orthogonal to each other as elements.

公开(公告)号：US20190245664A1

公开(公告)日：2019-08-08

申请号：US16344228

申请日：2017-05-08

Applicant: LG Electronics Inc.

Inventor： Myeongjin KIM ,  Sangrim LEE ,  Hojae LEE ,  Dongkyu KIM ,  Kwangseok NOH

IPC: H04L5/00 ,  H04W72/04 ,  H04W8/18

Abstract: According to one embodiment, a method by which a terminal transmits a signal in a wireless communication system on the basis of a contention-based non-orthogonal NOMA scheme can be provided, wherein the method for transmitting the signal can comprise the steps of: allocating a resource pool to which a signal is to be transmitted on the basis of the contention-based NOMA scheme; and transmitting data and a UE ID through the resource pool on the basis of the contention-based NOMA scheme, wherein a plurality of UE ID regions exist in the resource pool, and the UE ID can be allocated to a first region, which is one of the plurality of UE ID regions, and then transmitted.

公开(公告)号：US20190109652A1

公开(公告)日：2019-04-11

申请号：US16086300

申请日：2016-07-27

Applicant: LG ELECTRONICS INC.

Inventor： Dongkyu KIM ,  Kwangseok NOH ,  Sangrim LEE ,  Hojae LEE

IPC: H04B15/02 ,  H04L5/14 ,  H04J11/00

Abstract: A communication apparatus for eliminating a self-interference signal in an FDR environment comprises: a distributor for distributing signals from a transmission chain to a plurality of lines in a receiving chain; a first self-interference signal replicating unit for generating a self-interference replica signal of a signal distributed to a first line from among the plurality of lines by the distributor; a second self-interference signal replicating unit for generating a self-interference replica signal of a signal distributed to a second line from among the plurality of lines by the distributor; and a self-interference eliminating unit for eliminating self-interference by deducting, from the signals distributed by the distributor, a signal generated by the first self-interference signal replicating unit and a signal generated by the second self-interference signal replicating unit.

公开(公告)号：US20190090272A1

公开(公告)日：2019-03-21

申请号：US16082258

申请日：2017-03-06

Applicant: LG ELECTRONICS INC.

Inventor： Hojae LEE ,  Sangrim LEE ,  Dongkyu KIM ,  Kwangseok NOH ,  Kijun KIM

IPC: H04W74/08 ,  H04W72/04 ,  H04L1/00 ,  H04L27/26 ,  H04W74/00

CPC classification number: H04W74/085 ,  H04L1/0068 ,  H04L5/0053 ,  H04L5/0091 ,  H04L27/2607 ,  H04L27/2613 ,  H04L27/2678 ,  H04W72/0453 ,  H04W74/004

Abstract: A method by which a terminal transmits a random access channel (RACH) signal in a wireless communication system comprises the step of transmitting the RACH signal to a base station according to an RACH format corresponding to a specific RACH subframe among previously defined RACH formats, wherein the method is configured such that a start point or an end point of the RACH signal in a time domain is differentiated according to whether a downlink control zone and an uplink control zone within the RACH subframe are punctured in a specific frequency band between the previously defined RACH formats.

公开(公告)号：US20190081841A1

公开(公告)日：2019-03-14

申请号：US16081385

申请日：2017-02-06

Applicant: LG ELECTRONICS INC.

Inventor： Kijun KIM ,  Eunsun KIM ,  Suckchel YANG ,  Sangrim LEE

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

Abstract: Disclosed are a method for transmitting and receiving, between a terminal and a base station, a control channel including control information, and a device for supporting the same. Particularly, disclosed in the present invention are: a method for transmitting and receiving a control channel, if a subcarrier spacing or fast Fourier transform (FFT) size of the control channel including control information is different from the subcarrier spacing or FFT size of a data channel including data; and a device for supporting the same.

公开(公告)号：US20190053243A1

公开(公告)日：2019-02-14

申请号：US16077317

申请日：2016-11-23

Applicant: LG ELECTRONICS INC.

Inventor： Sangrim LEE ,  Jaehoon CHUNG ,  Hojae LEE

IPC: H04W72/04 ,  H04L5/14 ,  H04L1/18

Abstract: A method for receiving, by a terminal, a signal in a wireless communication system comprises: a step of receiving, from a base station, information indicating a subframe configuration type of subframes bundled into a plurality of subframe units; and a step of receiving, from the base station, a signal of a service corresponding to the indicated subframe configuration type in the bundled subframes, wherein the subframe configuration type of the bundled subframes is determined on the basis of the characteristics of the service to be provided from the bundled subframes.