公开(公告)号：US10050757B2

公开(公告)日：2018-08-14

申请号：US15142449

申请日：2016-04-29

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Jonghyun Park ,  Kijun Kim ,  Eunsun Kim

IPC: H04L5/00 ,  H04B7/024 ,  H04W72/04 ,  H04B7/06

Abstract: The present invention relates to a wireless communication system. A method for reporting CSI (Channel State Information) in a cooperative multi-point (CoMP) wireless communication system, the method performed by a user equipment (UE) and comprising receiving first resource configuration information for a CSI-RS (Channel-State Information-Reference Signal) and second resource configuration information for interference measurement; and calculating CSI using the first resource configuration information and the second resource configuration information, the CSI being for one or more base stations (BSs) among a plurality of BSs participating the COMP, wherein an interference measurement resource according to the second resource configuration information exists in a union of zero-power CSI-RS resources of each of the plurality of BSs.

公开(公告)号：US09985709B2

公开(公告)日：2018-05-29

申请号：US14760439

申请日：2014-01-14

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun Park ,  Kijun Kim

IPC: H04B7/04 ,  H04B7/06

CPC classification number: H04B7/0632 ,  H04B7/0473 ,  H04B7/0617 ,  H04L1/0026 ,  H04L1/06

Abstract: A method for transmitting channel state information (CSI) for 3-dimensional multi-input multi-output (3D-MIMO) beamforming by a user equipment (UE) in a wireless communication system, and the UE therefore are discussed. The method includes, for example, receiving a reference signal from a base station supporting a 2-dimensional (2D) antenna array; determining the CSI using the reference signal; and transmitting the determined CSI to the base station. The CSI comprises a channel quality indicator (CQI). The CQI is determined using a codeword-to-layer mapping rule. A codeword-to-layer mapping rule for a first dimension is different from a codeword-to-layer mapping rule for a second dimension. The first dimension and the second dimension each correspond to a horizontal or vertical direction in the 2D antenna array.

公开(公告)号：US09973253B2

公开(公告)日：2018-05-15

申请号：US15101889

申请日：2014-12-05

Applicant: LG ELECTRONICS INC.

Inventor： Youngtae Kim ,  Kijun Kim ,  Jonghyun Park ,  Hyukjin Chae ,  Hyungtae Kim ,  Myoungseob Kim

IPC: H04B7/06 ,  H04L1/00 ,  H04L5/00 ,  H04W24/10

CPC classification number: H04B7/066 ,  H04B7/0478 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0645 ,  H04B7/065 ,  H04L1/0026 ,  H04L1/0027 ,  H04L5/0053 ,  H04L5/0055 ,  H04L5/0057 ,  H04W24/10

Abstract: The present invention relates to a method for a first terminal to report channel state information (CSI) in a wireless communication system, the method comprising the steps of: receiving, from a base station, an allocation of a group CSI report setting associated with a terminal group including the first terminal; broadcasting the group CSI report setting to the terminal group; and reporting group CSI to the base station, wherein the terminal group consists of the first terminal and at least one second terminal, and the group CSI report setting defines, as the group CSI, the CSI of the first terminal corresponding to a part of the CSI about each of a plurality of terminals constituting the terminal group.

公开(公告)号：US09967069B2

公开(公告)日：2018-05-08

申请号：US14385389

申请日：2013-03-25

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun Park ,  Kijun Kim ,  Hakseong Kim ,  Byounghoon Kim ,  Hanbyul Seo

IPC: H04B7/00 ,  H04W56/00 ,  H04W76/02 ,  H04L5/00 ,  H04L27/26 ,  H04W72/04

CPC classification number: H04L5/0048 ,  H04L5/0016 ,  H04L5/0035 ,  H04L5/0055 ,  H04L5/0057 ,  H04L27/261 ,  H04W72/0413 ,  H04W72/042

Abstract: The present invention relates to a wireless communication system and, more specifically, to a method and an apparatus for transmitting and receiving a reference signal (RS). The method for enabling user equipment (UE) of the wireless communication system to transmit an uplink signal according to one embodiment of the present invention comprises the steps of: receiving information on a plurality of parameter sets used for generating a sequence of RS; and generating and transmitting the sequence of the RS using one parameter set determined among the plurality of parameter sets. The parameters constituting the plurality of parameter sets can comprise the parameters commonly applied to the plurality of parameter sets and the parameters individually applied to the plurality of parameter sets.

公开(公告)号：US20180123755A1

公开(公告)日：2018-05-03

申请号：US15559503

申请日：2016-03-29

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Jonghyun Park ,  Bonghoe Kim ,  Kijun Kim

IPC: H04L5/00 ,  H04B7/06

CPC classification number: H04L5/0048 ,  H04B7/0617 ,  H04B7/0626 ,  H04L5/005 ,  H04L5/0053 ,  H04L5/0057

Abstract: Disclosed is a method by which a terminal transmits channel status information (CSI) feedback in a wireless communication system. Particularly, the method for transmitting CSI feedback comprises the steps of: setting, through an upper layer signal, one CSI process having a periodic reference signal and an aperiodic reference signal; receiving, from a base station, an aperiodic CSI feedback request message related to the one CSI process; generating, in response to the aperiodic CSI feedback request message, aperiodic CSI feedback on the basis of the aperiodic reference signal; and transmitting the aperiodic CSI feedback to the base station.

公开(公告)号：US20180102931A1

公开(公告)日：2018-04-12

申请号：US15692589

申请日：2017-08-31

Applicant: LG ELECTRONICS INC.

Inventor： Hyunsoo KO ,  Kijun Kim ,  Eunsun Kim ,  Suckchel Yang

IPC: H04L27/26 ,  H04W72/04

CPC classification number: H04L27/2662 ,  H04L5/0007 ,  H04L5/0017 ,  H04L5/0026 ,  H04L5/0051 ,  H04L5/006 ,  H04L25/0222 ,  H04L25/0226 ,  H04L27/2613 ,  H04W72/0446 ,  H04W72/0453

Abstract: A method and a device to transmit a reference signal (RS) in a wireless communication system are disclosed. The device transmits control information and a first type RS for demodulating the control information through a control region comprising 1 first OFDM (Orthogonal Frequency Division Multiplexing) symbol of a subframe; and transmits data through a data region comprising a predetermined number of OFDM symbols following the control region of the subframe. Here, the first type RS can be used also for demodulating the data when a predetermined condition is met.

公开(公告)号：US09918249B2

公开(公告)日：2018-03-13

申请号：US15101381

申请日：2014-12-24

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Kijun Kim ,  Inkwon Seo ,  Jonghyun Park ,  Yunjung Yi ,  Youngtae Kim ,  Kunil Yum

IPC: H04W4/00 ,  H04W28/04 ,  H04B17/345 ,  H04L5/00 ,  H04W24/08 ,  H04W72/08

CPC classification number: H04W28/04 ,  H04B17/345 ,  H04L5/0032 ,  H04L5/0048 ,  H04L5/0073 ,  H04W24/08 ,  H04W72/085

Abstract: The present invention relates to a wireless communication system. A method for a terminal for removing interference and receiving a signal in a wireless communication system according to one embodiment of the present invention comprises the steps of: receiving configuration information for channel status information which has utilized interference measurements; and on the basis of the configuration information, measuring the interference from an interfering cell, and on the basis of the measured interference, measuring the channel status information from an interference measurement resource (IMR), wherein interference can be measured, in a resource block in which an IMR exists, on the basis of whether the interfering cell is transmitting data and the type of the signal transmitted from the IMR.

公开(公告)号：US09913171B2

公开(公告)日：2018-03-06

申请号：US15327019

申请日：2015-09-16

Applicant: LG ELECTRONICS INC.

Inventor： Hanbyul Seo ,  Joonkui Ahn ,  Kijun Kim

IPC: H04W28/26 ,  H04W24/10 ,  H04J11/00 ,  H04W28/02 ,  H04W28/18

CPC classification number: H04W28/26 ,  H04J11/0036 ,  H04J11/005 ,  H04J2211/001 ,  H04W16/14 ,  H04W24/10 ,  H04W28/0247 ,  H04W28/0268 ,  H04W28/18

Abstract: The present application discloses a method for reporting, by a terminal, channel state information in a non-licensed band in a wireless communication system. More specifically, the method comprises: establishing, through a higher layer, a plurality of reserved resource sections of a serving cell for channel state information measurement in the non-licensed band; and measuring/reporting, in each of the plurality of reserved resource sections, the channel state information of the non-licensed band on the basis of the result of sensing the carrier waves of an adjacent cell and whether a reserved resource section of the adjacent cell is established, wherein the reserved resource section of the serving cell is determined based on a type of the reserved resource section of the serving cell measuring the channel state information.

公开(公告)号：US09907067B2

公开(公告)日：2018-02-27

申请号：US15423147

申请日：2017-02-02

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun Park ,  Inkwon Seo ,  Hanbyul Seo ,  Kijun Kim ,  Suckchel Yang

IPC: H04W4/00 ,  H04W72/04 ,  H04L5/00 ,  H04W76/02 ,  H04W4/06

CPC classification number: H04W72/042 ,  H04L5/00 ,  H04L5/0007 ,  H04L5/0044 ,  H04L5/005 ,  H04L5/0053 ,  H04L5/0091 ,  H04L12/1881 ,  H04W4/06 ,  H04W72/0446 ,  H04W72/12 ,  H04W76/10 ,  H04W76/11

Abstract: The present invention relates to a wireless communication system, and more specifically, disclosed are a method and an apparatus for transmitting or receiving a downlink signal by considering an antenna port relationship. A method for user equipment receiving a physical downlink shared channel (PDSCH) signal in the wireless communication system, according to one embodiment of the present invention, comprises the steps of: determining a start symbol index of the PDSCH from a downlink subframe; and receiving the PDSCH signal based on the start symbol index, wherein the PDSCH can be scheduled by means of downlink control information (DCI) which is received through a physical downlink control channel (PDCCH) or an enhanced PDCCH (EPDCCH). When the DCI is comprised according to DCI format 1A, which is transmitted through the EPDDCH, and the downlink subframe is a non-multicast broadcast single frequency network (MBSFN) subframe, the start symbol index can be determined depending on an EPDCCH start symbol value which is established by an upper layer.

公开(公告)号：US09900789B2

公开(公告)日：2018-02-20

申请号：US14906802

申请日：2014-12-11

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun Park ,  Kijun Kim ,  Hyungtae Kim ,  Inkwon Seo ,  Seungmin Lee ,  Youngtae Kim ,  Kunil Yum

IPC: H04W72/04 ,  H04W72/08 ,  H04W24/02 ,  H04B15/02 ,  H04L25/03 ,  H04J11/00 ,  H04W48/16

CPC classification number: H04W24/02 ,  H04B15/02 ,  H04J11/0053 ,  H04L25/0328 ,  H04W48/16 ,  H04W72/042 ,  H04W72/082

Abstract: In this application, a method for a terminal cancelling interference from a neighboring cell is disclosed. More specifically, the method comprises the steps of: receiving one or more interference cancellation assistance information indicating one of a plurality of parameter combinations for detecting an interference signal from the neighboring cell; detecting an interference signal from the neighboring cell, based on the one or more interference cancellation assistance information and cancelling the interference signal in signals received from a serving cell, wherein the interference signal is a downlink data channel of the neighboring cell or a downlink control channel of the neighboring cell, and the plurality of parameter combinations is configured through a higher layer.