公开(公告)号：US10063357B2

公开(公告)日：2018-08-28

申请号：US15104431

申请日：2014-12-18

Applicant: LG ELECTRONICS INC.

Inventor： Youngtae Kim ,  Kijun Kim ,  Inkwon Seo ,  Hyukjin Chae ,  Jonghyun Park ,  Hanjun Park

IPC: H04L5/00 ,  H04B7/0456 ,  H04B7/06 ,  H04W36/00

CPC classification number: H04L5/0048 ,  H04B7/0469 ,  H04B7/0632 ,  H04B7/0634 ,  H04L5/0023 ,  H04L5/0055 ,  H04W36/0055

Abstract: The present invention relates to a method and an apparatus for transmitting a reference signal in a multiple antenna-supporting wireless communication system and, more specifically, to a method for a serving cell to support reference signal transmission of a neighbor cell in a multiple antenna-supporting wireless communication system, the method comprising: transmitting a sounding reference signal (SRS) configuration to a terminal; transmitting, to the neighbor cell, the SRS configuration and a terminal-related position information; and receiving, from the neighbor cell, an SRS-based first channel quality value which is estimated according to the SRS configuration, wherein the first channel quality value is estimated by applying a receiving vector according to the terminal-related position information.

公开(公告)号：US10034281B2

公开(公告)日：2018-07-24

申请号：US15126515

申请日：2015-03-27

Applicant: LG ELECTRONICS INC.

Inventor： Seungmin Lee ,  Suckchel Yang ,  Hanbyul Seo ,  Inkwon Seo

IPC: H04W72/04 ,  H04L5/22 ,  H04L1/18

Abstract: The present invention relates to a method and a device for receiving a downlink signal by a terminal in a time division duplex (TDD) wireless communication system supporting a wireless resource usage change. Specifically, the present invention comprises the steps of: configuring system information block (SIB)-based uplink-downlink configuration 0 as an uplink (UL) reference configuration; and receiving downlink control information including a first field which defines an uplink (UL) index or a downlink assignment index, wherein the downlink control information is received through a common search space, and the first field is determined as the uplink (UL) index when a downlink control information (DCI) format relating to the DL control information is DCI format 0.

公开(公告)号：US09918181B2

公开(公告)日：2018-03-13

申请号：US14406413

申请日：2013-06-26

Applicant: LG ELECTRONICS INC.

Inventor： Hyukjin Chae ,  Inkwon Seo ,  Hanbyul Seo

IPC: H04W4/00 ,  H04W56/00 ,  H04W72/04

CPC classification number: H04W4/70 ,  H04W56/001 ,  H04W56/0025 ,  H04W56/004 ,  H04W72/0446 ,  H04W72/048

Abstract: The present invention relates to a method for achieving synchronization for the device-to-device (D2D) communication of a first terminal in a wireless communication system, comprising the steps of: calculating a time advance of a second terminal using the information relating to the transmission timing of a second transmission point, the downlink transmission timing of a first transmission point, timing the receipt of a downlink signal from the second transmission point; and receiving a signal from the second terminal using the timing advance of the second terminal.

公开(公告)号：US09913232B2

公开(公告)日：2018-03-06

申请号：US14774323

申请日：2014-03-11

Applicant: LG Electronics Inc.

Inventor： Hanbyul Seo ,  Seungmin Lee ,  Inkwon Seo

IPC: H04W4/00 ,  H04W56/00 ,  H04J11/00 ,  H04W76/02 ,  H04L27/26 ,  H04W72/04 ,  H04W88/02

CPC classification number: H04W56/0015 ,  H04J11/00 ,  H04L27/2655 ,  H04W56/002 ,  H04W56/0025 ,  H04W72/0446 ,  H04W76/14 ,  H04W88/02

Abstract: Disclosed is a method by which first user equipment receives synchronization information for a Device-to-Device (D2D) link at a user equipment (UE) in a wireless communication system. Specifically, the method comprises: receiving configuration information for synchronization from serving cell; and acquiring information on reference cell for synchronization of the D2D link based on the configuration information; and acquiring a synchronization resource based on the information on reference cell, wherein the information on reference cell comprises an identifier of the reference cell.

公开(公告)号：US09860890B2

公开(公告)日：2018-01-02

申请号：US15034628

申请日：2014-12-17

Applicant: LG ELECTRONICS INC.

Inventor： Hyangsun You ,  Yunjung Yi ,  Joonkui Ahn ,  Inkwon Seo ,  Suckchel Yang ,  Hanbyul Seo

IPC: H04W72/04 ,  H04B7/26 ,  H04L5/00 ,  H04L27/26 ,  H04W4/00 ,  H04W92/18

CPC classification number: H04W72/042 ,  H04B7/2671 ,  H04L1/0038 ,  H04L1/0045 ,  H04L1/0061 ,  H04L1/0072 ,  H04L1/08 ,  H04L5/0007 ,  H04L5/0053 ,  H04L27/2602 ,  H04L27/2607 ,  H04W4/70 ,  H04W72/0446 ,  H04W92/18

Abstract: One disclosure of the present specification provides a method for receiving EPDCCH by an MTC device. The method comprises: a step for determining a first search space and a second search space for receiving EPDCCH on a first subframe and a second subframe, respectively, from among N-number of subframes, if a bundle of EPDCCHs in which the same EPDCCH is repeated on the N-number of subframes should be received, wherein each of the first and second search spaces is determined on the basis of the number of EPDCCH candidates, and determined by any one of a first case, a second case and a third case classified on the basis of a DCI format and whether a CP being used is a normal CP or an extended CP; and a step for decoding the EPDCCH in the second search space if the cases for determining the first search space and the second search space are the same.

公开(公告)号：US09807786B2

公开(公告)日：2017-10-31

申请号：US14917541

申请日：2014-09-11

Applicant: LG ELECTRONICS INC.

Inventor： Inkwon Seo ,  Hakseong Kim ,  Hanbyul Seo ,  Seungmin Lee

IPC: H04W72/12 ,  H04L1/00 ,  H04L5/00 ,  H04L12/28 ,  H04L29/06

CPC classification number: H04W72/1263 ,  H04L1/0007 ,  H04L1/0041 ,  H04L1/0067 ,  H04L1/1607 ,  H04L5/0053 ,  H04L12/2854 ,  H04L69/22 ,  H04W72/1215

Abstract: An embodiment of the present invention provides a method for transmitting a device to device (D2D) signal by a user equipment (UE) in a wireless communication system. The method comprises: generating a K bit codeword from N bit information; allocating the K bit codeword to a first block and a second block; performing interleaving in each of the first block and the second block; mapping the interleaved codewords of the first block and the second block to a plurality of symbols of a subframe and transmitting the codewords mapped to the symbols, wherein the size of the second block is determined according to the number of symbols related to a guard interval among the plurality of symbols.

公开(公告)号：US09787383B2

公开(公告)日：2017-10-10

申请号：US14350756

申请日：2012-10-12

Applicant: LG ELECTRONICS INC.

Inventor： Inkwon Seo ,  Hanbyul Seo

IPC: H04B7/06 ,  H04L12/911 ,  H04L5/00 ,  H04L1/06 ,  H04B7/0417 ,  H04B7/024

CPC classification number: H04B7/0626 ,  H04B7/024 ,  H04B7/0417 ,  H04L1/0693 ,  H04L5/0007 ,  H04L5/0057 ,  H04L47/70 ,  H04L47/78

Abstract: The present invention relates to a method for allowing a terminal to transmit cone or more pieces of channel state information (CSI) in a wireless communication system, and the method for transmitting the CSI comprises the steps of: determining CSI reference resources from a subframe which is to transmit the one or more pieces of CSI; and transmitting the one or more pieces of CSI measured in the CSI reference resources wherein the determination of the CSI reference resources uses measurement sets which include one or more interference measurement sets and one or more signal measurement sets, and if the CSI reference resources are included in an overlapping manner in two or more of the one or more interference measurement sets and the one or more signal measurement sets, a resource for measuring interference or a signal is separated within the CSI reference resources.

公开(公告)号：US09781623B2

公开(公告)日：2017-10-03

申请号：US14660655

申请日：2015-03-17

Applicant: LG ELECTRONICS INC.

Inventor： Hanbyul Seo ,  Daewon Lee ,  Byounghoon Kim ,  Kijun Kim ,  Inkwon Seo

IPC: H04W24/10 ,  H04L27/26 ,  H04W74/00 ,  H04J11/00 ,  H04W24/02 ,  H04W36/00

CPC classification number: H04W24/10 ,  H04J11/005 ,  H04J11/0053 ,  H04L27/26 ,  H04W24/02 ,  H04W36/0094 ,  H04W74/004 ,  H04W74/006

Abstract: A method of performing downlink measurement at a user equipment in a wireless communication system is described. Information indicating one or more subframes on which downlink measurement is to be performed is received from a base station. The downlink measurement is performed in the one or more subframes configured by the information. The one or more subframes are configured based on a subset of subframes with reduced activity of a neighbor base station which performs inter-cell interference coordination with the base station.

公开(公告)号：US09768926B2

公开(公告)日：2017-09-19

申请号：US14772603

申请日：2014-03-04

Applicant: LG ELECTRONICS INC.

Inventor： Inkwon Seo ,  Hanbyul Seo

IPC: H04W72/04 ,  H04L5/00 ,  H04L25/02 ,  H04W74/00

CPC classification number: H04L5/0048 ,  H04L25/0236 ,  H04W74/006

Abstract: Disclosed is a method for receiving control information, one embodiment of the present invention, in which a terminal receives control information by means of an enhanced physical downlink control channel (EPDCCH) in a wireless communication system, comprising the steps of: estimating a channel in subframe N, and blind-decoding on the basis of the result of the channel estimation; and blind-decoding in subframe N+L (L>=1), wherein, if subframe N and subframe N+L are included in a single subframe bundling group (SBG), then the reference signal associated with the channel estimation in subframe N is also used for the channel estimation for blind-decoding in subframe N+L.

公开(公告)号：US09750036B2

公开(公告)日：2017-08-29

申请号：US14651977

申请日：2013-12-02

Applicant: LG ELECTRONICS INC.

Inventor： Inkwon Seo ,  Hyukjin Chae ,  Hanbyul Seo

IPC: H04W72/08 ,  H04W72/04 ,  H04J11/00

CPC classification number: H04W72/082 ,  H04J11/004 ,  H04J11/005 ,  H04W72/042

Abstract: One embodiment of the present invention relates to a method by which a terminal receives downlink signals in a wireless communication system. The method for receiving downlink signals include the steps of: receiving information related to an interference signal from a serving cell; and removing interference from a pair of physical resource blocks (PRBs) used for transmitting the downlink signal, wherein the information related to the interference signal includes each use of the PRB pair in a neighboring cell of the serving cell and, when the use is an EPDCCH, an EPDCCH transmission type.