公开(公告)号：US20190357188A1

公开(公告)日：2019-11-21

申请号：US16529117

申请日：2019-08-01

Applicant: LG Electronics Inc.

Inventor： Kyuhwan KWAK ,  Inkwon SEO ,  Yunjung YI ,  Hyunho LEE ,  Daesung HWANG

IPC: H04W72/04 ,  H04L5/00 ,  H04L1/00

Abstract: A method of receiving a downlink control channel at a user equipment (UE) in a wireless communication system is disclosed. The method includes receiving information on a resource element group (REG) bundle size and information on a size of a matrix for interleaving a plurality of REGs configuring at least one control channel element (CCE) through a higher layer, determining the matrix for interleaving the plurality of REGs based on the information on the size of the matrix and the information on the REG bundle size, interleaving the plurality of REGs bundled into one or more REG bundles according to the REG bundle size using the matrix, and receiving the downlink control channel based on the plurality of interleaved REGs.

公开(公告)号：US20190334677A1

公开(公告)日：2019-10-31

申请号：US16065121

申请日：2018-02-14

Applicant: LG ELECTRONICS INC.

Inventor： Daesung HWANG ,  Yunjung YI ,  Inkwon SEO

IPC: H04L5/00 ,  H04W72/04

Abstract: A method for receiving data in a user equipment (UE) from an eNB in a wireless communication system is disclosed. The method comprises the steps of receiving one or more control resource set (CORESET) regions; receiving rate matching information from a higher layer; and receiving the data based on the one or more CORESET regions and the rate matching information, wherein the data are mapped into at least one CORESET indicated by the higher layer among the one or more CORESETs on the basis of the rate matching information.

公开(公告)号：US20190306847A1

公开(公告)日：2019-10-03

申请号：US16318119

申请日：2017-07-21

Applicant: LG ELECTRONICS INC.

Inventor： Inkwon SEO ,  Kijun KIM ,  Yunjung YI ,  Suckchel YANG

IPC: H04W72/04 ,  H04B7/0417 ,  H04L27/26 ,  H04L25/02

Abstract: According to one embodiment of the present invention, at least two transmission-reception beam pairs for control information between a terminal and a base station are set, and the terminal performs a blind detection for the control information by using the at least two transmission-reception beam pairs, thereby enabling the control information to be more strongly and efficiently transmitted and received.

公开(公告)号：US20190296952A1

公开(公告)日：2019-09-26

申请号：US16405187

申请日：2019-05-07

Applicant: LG ELECTRONICS INC.

Inventor： Youngtae KIM ,  Hanbyul SEO ,  Inkwon SEO

IPC: H04L27/26 ,  H04W4/44 ,  H04W4/46 ,  H04L5/00

Abstract: The present invention relates to a method for receiving and configuring a reference signal of a vehicle-to-vehicle (V2V) device for V2V communication in a wireless communication system. Particularly, the method comprises the steps of: performing synchronization with a first synchronization source having a frequency for dedicated short range communication (DSRC) as a center frequency; and receiving, from the first synchronization source, a reference signal on an orthogonal frequency division multiplexing (OFDM) symbol configured according to a reference signal configuration, wherein the reference signal configuration is defined for frequency correction according to a hop sync of the center frequency.

公开(公告)号：US20190281566A1

公开(公告)日：2019-09-12

申请号：US16422817

申请日：2019-05-24

Applicant: LG ELECTRONICS INC.

Inventor： Hanbyul SEO ,  Inkwon SEO ,  Hyukjin CHAE

IPC: H04W56/00 ,  H04L27/26 ,  H04L5/00 ,  H04J11/00 ,  H04W72/04

Abstract: The present invention relates to a wireless communication system. Disclosed is a method for transmitting a synchronization signal for direction communication between terminals. A method for transmitting a synchronization signal according to one embodiment of the present invention comprises the steps of: mapping a synchronization signal for direction communication between terminals to a sub-frame comprising a first slot and a second slot; and transmitting, to a counterpart terminal, the sub-frame to which the synchronization signal is mapped, wherein the synchronization signal is mapped to four orthogonal frequency division multiple access (OFDM) symbols of the sub-frame, and at least two OFDM symbols of the four OFDM symbols may be adjacent to each other.

公开(公告)号：US20190273648A1

公开(公告)日：2019-09-05

申请号：US16339893

申请日：2017-09-29

Applicant: LG ELECTRONICS INC.

Inventor： Inkwon SEO ,  Hyungtae KIM

IPC: H04L27/36 ,  H04W72/12

Abstract: The method, according to one embodiment of the present invention, by which in a wireless communication system a base station transmits signals to a plurality of terminals on the basis of non-orthogonal multiple access (NOMA), comprises the steps of: mapping first information bits for a first terminal and second information bits for a second terminal onto a first layer for the NOMA; modulating the first information bits and the second information bits which have been mapped on the first layer; and transmitting modulation symbols, which have been generated as a result of the modulation, to the first terminal and the second terminal, wherein the base station may map the first information bits and the second information bits onto the first layer, at a bit level before the modulation symbols have been generated.

公开(公告)号：US20190268208A1

公开(公告)日：2019-08-29

申请号：US16347516

申请日：2017-11-02

Applicant: LG Electronics Inc.

Inventor： Inkwon SEO ,  Yunjung YI

IPC: H04L27/26 ,  H04W72/04 ,  H04L25/02

Abstract: A method by which a terminal receives downlink control information in a wireless communication system includes: receiving a reference signal for a control channel by a search space set in a control resource set; and receiving downlink control information of the control channel on the basis of the reference signal. The search space includes a plurality of control channel candidates respectively corresponding to one or at least two CCEs according to an aggregation level, the one or at least two CCEs respectively include a plurality of REGs, and the terminal performs blind detection for each of the plurality of control channel candidates, and it can be assumed that a reference signal for a predetermined control channel candidate, for which blind detection is currently being performed, is mapped to a first REG firstly located in a time domain among REGs included in the predetermined control channel candidate.

公开(公告)号：US20190150097A1

公开(公告)日：2019-05-16

申请号：US16099420

申请日：2017-05-08

Applicant: LG ELECTRONICS INC.

Inventor： Inkwon SEO ,  Kijun KIM ,  Jaehoon CHUNG

IPC: H04W52/14 ,  H04W52/36 ,  H04W72/04 ,  H04L1/00

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: receiving downlink control information including a power boosting indicator; determining, on the basis of the power boosting indicator, first transmission power of a first symbol to which power boosting is applied and second transmission power of a second symbol to which no power boosting is applied; and transmitting the uplink signal according to the first transmission power and the second transmission power, wherein the power boosting indicator is activated when the interval between the first symbol and the second symbol is less than or equal to a predetermined distance and the difference between the first transmission power and the second transmission is greater than or equal to a predetermined power offset.

公开(公告)号：US20190068341A1

公开(公告)日：2019-02-28

申请号：US16073207

申请日：2017-02-27

Applicant: LG ELECTRONICS INC.

Inventor： Inkwon SEO ,  Kijun KIM ,  Seonwook KIM

IPC: H04L5/00 ,  H04W72/04

Abstract: According to one embodiment of the present invention, a method by which a terminal transmits a signal in a wireless communication system comprises the steps of: receiving timing advance (TA) information on a self-contained subframe having all of a downlink control region, a downlink data region, a guard period (GP) for transmission/reception switching, and an uplink control region; and transmitting uplink control information by advancing transmission timing corresponding to the uplink control region by the time length indicated by the TA information, wherein, when the time length indicated by the TA information is shorter than a predetermined magnitude, the terminal can first transmit a specific uplink signal, and then transmit the uplink control information in a GP remaining period remaining after completion of the transmission/reception switching.

公开(公告)号：US20180219701A1

公开(公告)日：2018-08-02

申请号：US15747749

申请日：2016-08-23

Applicant: LG ELECTRONICS INC.

Inventor： Inkwon SEO ,  Hanbyul SEO

IPC: H04L25/02 ,  H04W72/04 ,  H04W56/00 ,  H04W8/00 ,  H04L5/00

CPC classification number: H04L25/0224 ,  H04J11/00 ,  H04J13/00 ,  H04L5/0048 ,  H04L5/0051 ,  H04L5/0057 ,  H04W8/005 ,  H04W48/12 ,  H04W56/001 ,  H04W72/0406

Abstract: A method for receiving a signal through a physical format adaptable to a wireless communication environment by a device supporting D2D communication according to an embodiment of the present invention comprises the steps of: receiving a synchronization signal from a transmission node on the basis of one of a first physical format and a second physical format; and performing synchronization with the transmission node on the basis of the synchronization signal, wherein when the second physical format is used, M synchronization symbols in addition to N synchronization symbols used in the first physical format are set in the same sub-frame, and a total of (N+M) synchronization symbols included in the same sub-frame may include a first synchronization symbol to which a first Zadoff-Chu sequence generated through first root indexes is mapped, and a second synchronization symbol to which a second Zadoff-Chu sequence generated through second root indexes is mapped.