公开(公告)号：US10129000B2

公开(公告)日：2018-11-13

申请号：US15118186

申请日：2015-03-02

Applicant: LG ELECTRONICS INC.

Inventor： Hyangsun You ,  Yunjung Yi ,  Suckchel Yang ,  Hanjun Park

IPC: H04W72/04 ,  H04L5/00 ,  H04W74/04 ,  H04L1/18

Abstract: A disclosure of the present specification provides a method for transmitting a physical uplink control channel (PUCCH) by a terminal. The method may comprise the steps of: receiving multiple pieces of explicit configuration information on a PUCCH resource through higher layer signaling when a PUCCH should be repeatedly transmitted on a plurality of sub-frames; determining a PUCCH resource to which the PUCCH is transmitted, on the basis of the multiple pieces of the explicit configuration information; and repeatedly transmitting, onto the determined PUCCH resource, the PUCCH on the plurality of sub-frames, wherein the PUCCH resource to which the PUCCH is transmitted is determined on the basis of one of a PDCCH, an EPDCCH, and an identification (ID) of the terminal, which have been received previously.

公开(公告)号：US10103849B2

公开(公告)日：2018-10-16

申请号：US15235200

申请日：2016-08-12

Applicant: LG Electronics Inc.

Inventor： Hanjun Park ,  Suckchel Yang

IPC: H04W4/00 ,  H04L1/18 ,  H04L5/00

Abstract: Disclosed herein is a method of transmitting uplink control information by a user equipment (UE) in which a plurality of cells are configured including receiving downlink data through at least one of the cells, and piggybacking hybrid automatic repeat and request (HARQ)-acknowledgement (ACK) information about the downlink data on a physical uplink shared channel (PUSCH) and transmitting the same. The HARQ-ACK information may be generated for one cell-group of a plurality of cell-groups configured based on the plurality of cells, and the one cell-group selected for generating the HARQ-ACK information may be indicated through cyclic redundancy check (CRC) attached to the HARQ-ACK information.

公开(公告)号：US10079741B2

公开(公告)日：2018-09-18

申请号：US14958741

申请日：2015-12-03

Applicant: LG ELECTRONICS INC.

Inventor： Hanjun Park ,  Yunjung Yi ,  Kijun Kim ,  Hyunho Lee

IPC: H04L12/26 ,  H04W24/00 ,  H04W36/00

CPC classification number: H04L43/067 ,  H04W24/00 ,  H04W36/0061 ,  H04W36/0083

Abstract: A method and apparatus for receiving a reference signal (RS) in a wireless communication system are disclosed. The method for performing radio resource measurement (RRM) measurement for one or more sub-bands contained in an entire system band in a wireless communication system, wherein the method is performed by a terminal configured to operate in only one sub-band at a specific time includes: receiving a sub-band list or pattern for the RRM measurement and information regarding a measurement timing or section from a serving cell; and performing the RRM measurement in a radio resource defined by the sub-band list or pattern and information regarding the measurement timing or section within a report period of the RRM measurement, and reporting a result of the RRM measurement to the serving cell. The sub-band list or pattern includes sub-band candidates usable as a dedicated sub-band for the terminal from among sub-bands of the entire system band.

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：US10009128B2

公开(公告)日：2018-06-26

申请号：US15114705

申请日：2015-03-03

Applicant: LG ELECTRONICS INC.

Inventor： Hyunho Lee ,  Kijun Kim ,  Hyungtae Kim ,  Hanjun Park ,  Kunil Yum

IPC: H04B17/309 ,  H04B17/382 ,  H04B7/06 ,  H04W24/10

CPC classification number: H04B17/309 ,  H04B7/024 ,  H04B7/0626 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0639 ,  H04B17/382 ,  H04J11/005 ,  H04W24/10

Abstract: Provided is a method for reporting a channel state, on which an interference cancellation performance is reflected, in a wireless communication system according to an embodiment of the present invention. The method may include: receiving, from a serving cell, a configuration for a channel state information (CSI) process (hereinafter, referred to as “enhanced CSI process”) for reporting the channel state on which the interference cancellation performance is reflected; receiving a signal at a CSI-interference measurement (CSI-IM) resource according to the enhanced CSI process; and calculating a value of the reporting of the channel state on which the interference cancellation performance is reflected, by removing an interference signal, which is from a specific interference cell among one or more interference cells.

公开(公告)号：US09893856B2

公开(公告)日：2018-02-13

申请号：US15468398

申请日：2017-03-24

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Eunsun Kim ,  Hanjun Park ,  Hanbyul Seo ,  Jonghyun Park ,  Kijun Kim

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

CPC classification number: H04L5/0048 ,  H04B7/024 ,  H04B7/0626 ,  H04L5/0005 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/0053 ,  H04L5/0057 ,  H04L5/0073 ,  H04L5/0094 ,  H04W72/042 ,  H04W72/0446

Abstract: The present invention relates to a wireless communication system. A method for receiving data by a user equipment (UE) in a cooperative multi-point (CoMP) wireless communication system includes receiving information indicating a transmission base station (BS) that actually transmits data among a plurality of BSs that participate in CoMP, receiving information about zero-power channel state information-reference signal (CSI-RS) of each of the plural BSs, and assuming that data is not mapped to a resource element of zero-power CSI-RS corresponding to the transmission BS and receiving the data through a physical downlink control channel (PDSCH).

公开(公告)号：US09813216B2

公开(公告)日：2017-11-07

申请号：US14677139

申请日：2015-04-02

Applicant: LG Electronics Inc.

Inventor： Hanjun Park ,  Kijun Kim ,  Hyunho Lee

IPC: H04L5/00 ,  H04J11/00 ,  H04B7/06 ,  H04L1/00

CPC classification number: H04L5/0073 ,  H04B7/0626 ,  H04J11/0056 ,  H04L1/0026 ,  H04L5/005 ,  H04L5/0053 ,  H04L5/0091

Abstract: A method for reporting channel state information (CSI) having interference cancellation capability reflected therein, and an apparatus therefor are disclosed. A method for reporting channel state information (CSI) to which interference cancellation capability is reflected in a wireless communication system is performed by a terminal and includes receiving one or more CSI process configurations including one or more CSI resource sets from a serving cell, wherein the CSI resource set is associated with a specific interference cell, detecting a dominant interference signal from a received signal and selecting a CSI resource set corresponding to the dominant interference signal, calculating CSI to which interference cancellation capability is reflected, using the selected CSI resource set or interference hypothesis (IH) information corresponding to the selected CSI resource set, and reporting the calculated CSI to the serving cell through a CSI process corresponding to the selected CSI resource set or the IH information.

公开(公告)号：US09668275B2

公开(公告)日：2017-05-30

申请号：US14626107

申请日：2015-02-19

Applicant: LG Electronics Inc.

Inventor： Hanjun Park ,  Kijun Kim ,  Hyungtae Kim ,  Yunjung Yi ,  Suckchel Yang

IPC: H04W72/12 ,  H04L5/00

CPC classification number: H04W72/1231 ,  H04L5/0035 ,  H04L5/0055 ,  H04L5/0073 ,  H04W72/1273

Abstract: Disclosed is a method for reporting a channel state in a wireless communication system, the method performed by a terminal and including reporting channel state information (CSI) to a base station (BS), transmitting CSI correction information for correcting the reported CSI, to the BS, and receiving a downlink channel scheduled based on the CSI correction information, wherein the CSI correction information indicates a change in channel state due to dynamic interference.

公开(公告)号：US20170041113A1

公开(公告)日：2017-02-09

申请号：US15303894

申请日：2015-07-03

Applicant: LG Electronics Inc.

Inventor： Hanjun Park ,  Kijun Kim ,  Hyungtae Kim ,  Jonghyun Park ,  Hyukjin Chae

IPC: H04L5/00 ,  H04B7/04

CPC classification number: H04L5/0048 ,  H04B7/04 ,  H04B7/0456 ,  H04B7/0482 ,  H04B7/06 ,  H04B7/0617 ,  H04B7/063 ,  H04B7/0634 ,  H04B7/0639 ,  H04L5/005 ,  H04L5/0051 ,  H04L5/0057

Abstract: A method for reporting a channel state on a downlink channel transmitted through M antenna ports that are 2-dimensionally arranged according to an embodiment of the present invention may be performed by a terminal and include a step of receiving a channel state information-reference signal (CSI-RS) setting for N virtual antenna ports that are formed by applying beam-forming to a group of vertical antennas of the 2-dimensionally arranged M antenna ports, and a step of calculating channel state information on the downlink channel by using the received CSI-RS setting to report the channel state information to a serving cell, wherein the reported channel state information may include information on a rotational transformation related to a first code word of a codebook related to a combination of Q unit vectors that are orthogonal in an N dimension space.

Abstract translation: 根据本发明实施例的通过M二维排列的M个天线端口发送的下行链路信道上的信道状态报告方法可以由终端执行，并且包括：接收信道状态信息参考信号 CSI-RS）通过对二维布置的M个天线端口的一组垂直天线施加波束形成而形成的N个虚拟天线端口的设置，以及通过使用所接收到的信号来计算下行链路信道上的信道状态信息的步骤 CSI-RS设置，用于将信道状态信息报告给服务小区，其中所报告的信道状态信息可以包括关于与在单个向量中正交的Q个单位向量的组合相关的码本的第一码字的旋转变换的信息 N维空间。

公开(公告)号：US09509383B2

公开(公告)日：2016-11-29

申请号：US14784422

申请日：2014-04-29

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae Kim ,  Hanjun Park ,  Kijun Kim ,  Hyunho Lee ,  Kunil Yum

IPC: H03D1/04 ,  H04B7/00 ,  H04B7/204 ,  H04B7/04 ,  H04B7/06

CPC classification number: H04B7/0486 ,  H04B7/0478 ,  H04B7/0626 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0639

Abstract: The present invention relates to a wireless communication system. According to one embodiment of the present invention, a method for transmitting, by a terminal, channel state information (CSI) in a wireless communication system comprises the steps of: subsampling a code book for four antenna ports, including sixteen precoding matrixes; and feeding back the CSI on the basis of the subsampled code book, wherein the CSI includes at least one of a rank indicator (RI), a precoding matrix indicator (PMI) and a channel quality indicator (CQI), and if the RI is 3, the subsampled code book can be determined so as to minimize a chordal distance between subsampled code words.

Abstract translation: 无线通信系统技术领域本发明涉及一种无线通信系统。 根据本发明的一个实施例，一种用于通过终端在无线通信系统中发送信道状态信息（CSI）的方法包括以下步骤：对包括十六个预编码矩阵的四个天线端口进行二次采样; 并且基于子采样码本反馈CSI，其中CSI包括秩指示符（RI），预编码矩阵指示符（PMI）和信道质量指示符（CQI）中的至少一个，并且如果RI是 如图3所示，可以确定子采样代码簿，以便使二次采样码字之间的弦距离最小化。