公开(公告)号：US20190268184A1

公开(公告)日：2019-08-29

申请号：US16405624

申请日：2019-05-07

Applicant: LG ELECTRONICS INC.

Inventor： Inkwon SEO ,  Hanbyul SEO

IPC: H04L25/02 ,  H04J11/00 ,  H04W56/00 ,  H04W8/00 ,  H04W72/04 ,  H04L5/00 ,  H04J13/00

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.

公开(公告)号：US20190253118A1

公开(公告)日：2019-08-15

申请号：US15779372

申请日：2016-11-25

Applicant: LG ELECTRONICS INC.

Inventor： Haewook PARK ,  Inkwon SEO ,  Hyungtae KIM ,  Myoungseob KIM

IPC: H04B7/06 ,  H04B7/024

Abstract: A method for multiuser superposition transmission (MUST) in a wireless communication system, and a device therefor are disclosed. Particularly, a method by which a first base station (eNodeB (eNB)) performs MUST involving joint transmission in a wireless communication system can comprise the steps of: receiving, from a MUST-paired near user equipment (UE), first channel state information (CSI) for the first eNB participating in the joint transmission; setting a parameter required to perform the MUST involving the joint transmission for the MUST-paired UE, on the basis of the first CSI and the second CSI for a second eNB participating in the joint transmission; and transmitting the parameter to the MUST-paired UE and the second eNB.

公开(公告)号：US20190140802A1

公开(公告)日：2019-05-09

申请号：US16242280

申请日：2019-01-08

Applicant: LG ELECTRONICS INC.

Inventor： Hanbyul SEO ,  Hakseong KIM ,  Inkwon SEO ,  Byounghoon KIM ,  Kijun KIM ,  Daewon LEE

IPC: H04L5/00 ,  H04W4/06 ,  H04W72/04 ,  H04J11/00

Abstract: A method of a first cell for supporting a downlink channel demodulation at a user equipment, includes receiving, from a second cell, Multicast/Broadcast over Single Frequency Network (MBSFN) subframe configuration information for the second cell; and transmitting, by the first cell to the user equipment via a higher layer signaling, information on a Cell-specific Reference Signal (CRS) of the second cell including the MBSFN subframe configuration information of the second cell, wherein the information on the CRS of the second cell is used by the user equipment to mitigate the inter-cell interference from the CRS of the second cell.

公开(公告)号：US20190069276A1

公开(公告)日：2019-02-28

申请号：US16065561

申请日：2018-04-27

Applicant: LG Electronics Inc.

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

IPC: H04W72/04 ,  H04L5/00

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：US20190028234A1

公开(公告)日：2019-01-24

申请号：US16082502

申请日：2017-03-27

Applicant: LG ELECTRONICS INC.

Inventor： Inkwon SEO ,  Kijun KIM ,  Joonkui AHN

IPC: H04L1/00 ,  H04L1/18 ,  H04W72/04 ,  H04L5/00

Abstract: A method for receiving control information by a terminal in a wireless communication system according to one embodiment of the present disclosure may comprise the steps of: receiving a reference signal through at least one of multiple antenna ports of a base station; and blind-detecting control information of the terminal on the basis of at least one of a first transmission scheme using a single antenna port for the reference signal and a second transmission scheme using the multiple antenna ports for the reference signal, wherein a resource area for the first transmission scheme may overlap at least partially with a resource area for the second transmission scheme and, when the terminal performs blind-detection on the basis of the first transmission scheme, the terminal may perform the blind-detection on an assumption that the reference signal is transmitted according to the second transmission scheme in the overlapping resource area.

公开(公告)号：US20190007959A1

公开(公告)日：2019-01-03

申请号：US16065061

申请日：2017-10-26

Applicant: LG ELECTRONICS INC.

Inventor： Daesung HWANG ,  Yunjung YI ,  Jaehyung KIM ,  Hanjun PARK ,  Inkwon SEO ,  Suckchel YANG

IPC: H04W72/12 ,  H04W72/04

CPC classification number: H04W72/1289 ,  H04W72/0446

Abstract: A method in a wireless communication system is disclosed. More particularly, the method comprises the steps of: detecting first downlink control information from a base station; and, on the basis of the first downlink control information, receiving from the base station second downlink control information comprising scheduling information for uplink data transmission or downlink data reception, wherein the first downlink control information comprises an indicator for indicating whether the scheduling information is scheduling information of a transmission block level or scheduling information of one or more code block levels comprising the transmission block.

公开(公告)号：US20180359067A1

公开(公告)日：2018-12-13

申请号：US15781419

申请日：2016-12-02

Applicant: LG ELECTRONICS INC.

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

IPC: H04L5/00 ,  H04W80/02 ,  H04W4/70 ,  H04W4/46 ,  H04W72/04 ,  H04L27/26

CPC classification number: H04L5/0048 ,  H04L5/0051 ,  H04L27/2607 ,  H04L27/2611 ,  H04W4/44 ,  H04W4/46 ,  H04W4/70 ,  H04W72/0446 ,  H04W80/02

Abstract: A demodulation reference signal (DMRS) transmission method in a vehicle-to-something (V2X) communication is disclosed. The DMRS in V2X communication is mapped onto four symbols in at least one subframe from among a plurality of subframes. For correction of the frequency offset, the four symbols may comprise a symbol pair located at least two symbol intervals.

公开(公告)号：US20170367059A1

公开(公告)日：2017-12-21

申请号：US15540712

申请日：2015-12-07

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun PARK ,  Hanbyul SEO ,  Seungmin LEE ,  Inkwon SEO ,  Yunjung YI

IPC: H04W56/00 ,  H04W72/04 ,  H04W72/10 ,  H04L5/00 ,  H04W88/02

CPC classification number: H04W56/001 ,  H04L5/001 ,  H04L5/0048 ,  H04L5/0053 ,  H04W36/03 ,  H04W36/30 ,  H04W56/00 ,  H04W56/0015 ,  H04W72/0406 ,  H04W72/042 ,  H04W72/10 ,  H04W84/00 ,  H04W88/02

Abstract: A method for performing, by a first UE, device-to-device (D2D) communication in a wireless communication system includes: transmitting, to a first eNB, transmission/reception (TX/RX) chain number information indicating the number of supported TX/RV radio frequency (RF) chains; receiving, from the first eNB, a first control message including D2D resource pool configuration information of the first eNB; receiving, from the first eNB, a second control message including D2D resource pool configuration information of a second eNB; and transmitting a first D2D signal to the first eNB and/or transmitting a second D2D signal to the second to eNB using one or more TX RF chains when a predetermined condition is satisfied.

公开(公告)号：US20170366996A1

公开(公告)日：2017-12-21

申请号：US15532949

申请日：2015-12-03

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun PARK ,  Kijun KIM ,  Inkwon SEO ,  Yunjung YI ,  Youngtae KIM

IPC: H04W24/10 ,  H04W48/16 ,  H04L5/00 ,  H04W72/04 ,  H04W74/08 ,  H04W88/08 ,  H04W88/02

CPC classification number: H04W24/10 ,  H04L5/0048 ,  H04W48/08 ,  H04W48/14 ,  H04W48/16 ,  H04W48/20 ,  H04W72/0413 ,  H04W72/044 ,  H04W74/0833 ,  H04W88/02 ,  H04W88/08

Abstract: Disclosed are method and device for selecting a cell in a wireless communication system. In particular, a method for selecting a cell by a terminal in a wireless communication system comprises the steps of: transmitting a random access preamble in a cell, which is selected by a terminal, to a base station; receiving a random access response from the base station; and, as a response to the random access response, transmitting an uplink message to the base station through a physical uplink shared channel (PUSCH), wherein the uplink message can comprises a radio resource management (RRM) measurement value which has been measured on the basis of a reference signal.

公开(公告)号：US20170359835A1

公开(公告)日：2017-12-14

申请号：US15532906

申请日：2015-12-01

Applicant: LG ELECTRONICS INC.

Inventor： Inkwon SEO ,  Hanbyul SEO

IPC: H04W72/14 ,  H04B7/14 ,  H04W8/00 ,  H04W56/00 ,  H04W52/36 ,  H04W88/04 ,  H04W88/08

CPC classification number: H04W72/14 ,  H04B7/14 ,  H04B7/2606 ,  H04W8/005 ,  H04W52/365 ,  H04W56/001 ,  H04W72/04 ,  H04W72/12 ,  H04W76/10 ,  H04W88/04 ,  H04W88/08

Abstract: A method for performing a device-to-device (D2D) relay operation by a D2D terminal supporting D2D communication according to an embodiment of the present invention comprises the steps of: transmitting, to a base station, a D2D relay request including information on multiple D2D links capable of being relayed; and acquiring at least one D2D grant from the base station on the basis of one of multiple radio network temporary identities (RNTIs) allocated to the D2D terminal, wherein when the at least one D2D grant approves the D2D relay request, the at least one D2D grant is indicated by a second RNTI which is different from a first RNTI used for approving a D2D synchronization operation or a D2D discovery operation among the multiple RNTIs.