公开(公告)号：US20180213386A1

公开(公告)日：2018-07-26

申请号：US15743195

申请日：2016-07-11

Applicant: LG ELECTRONICS INC.

Inventor： Seonwook KIM ,  Joonkui AHN ,  Suckchel YANG ,  Hanjun PARK ,  Yunjung YI

IPC: H04W8/00 ,  H04L5/00 ,  H04W4/06 ,  H04W48/16

Abstract: The present disclosure relates to a wireless access system supporting an unlicensed band, and provides methods for transreceiving discovery reference signals and devices supporting same. A method for a terminal receiving a discovery reference signal (DRS) in a wireless access system supporting an unlicensed band, according to one embodiment of the present disclosure, may comprise the steps of: receiving an upper layer signal including parameters indicating a multimedia broadcast multicast service single frequency network (MBSFN) subframe; receiving a setting for a discovery measurement timing configuration (DMTC) section, which is a time section during which the DRS can be transmitted; and receiving the DRS within the DMTC section, wherein when a first subframe belonging to the DMTC section is configured as the MBSFN subframe and the DRS is transmitted from the first subframe, an MBSFN configuration may not be applied to the MBSFN subframe.

公开(公告)号：US20180199353A1

公开(公告)日：2018-07-12

申请号：US15743612

申请日：2016-07-29

Applicant: LG ELECTRONICS INC.

Inventor： Joonkui AHN ,  Suckchel YANG ,  Seonwook KIM ,  Hanjun PARK ,  Yunjung YI

IPC: H04W72/12 ,  H04W16/14 ,  H04W74/08

CPC classification number: H04W72/12 ,  H04W16/14 ,  H04W52/365 ,  H04W52/367 ,  H04W56/00 ,  H04W74/08 ,  H04W74/0808

Abstract: Provided are a method and apparatus for transmitting data in an unlicensed band. The device determines a downlink reception end time and an uplink transmission start time at which the uplink transmission starts in the unlicensed band. If the interval between the downlink reception end time and the uplink transmission start time is equal to or less than a threshold value, the device abandons the uplink transmission.

公开(公告)号：US20180139781A1

公开(公告)日：2018-05-17

申请号：US15574278

申请日：2016-05-23

Applicant: LG ELECTRONICS INC.

Inventor： Hanjun PARK ,  Joonkui AHN ,  Seonwook KIM

IPC: H04W74/08 ,  H04W72/14 ,  H04W72/12

CPC classification number: H04W74/0808 ,  H04W16/14 ,  H04W72/1268 ,  H04W72/14

Abstract: According to one embodiment, the present invention relates to channel sensing in an unlicensed band in a wireless communication system, and a data transmission method based on the same, wherein the method is performed by a transmission node for transmitting data by performing the channel sensing and comprises the steps of: receiving a data transmission instruction from a control node; performing a channel sensing-related operation in at least one of channel sensing-related operation execution sections set prior to each of a plurality of transmission opportunity units allowed at the transmission node, according to the data transmission instruction; and transmitting data according to the data transmission instruction in the transmission opportunity unit corresponding to a specific channel sensing-related operation execution section, if it is determined that a channel for transmitting the data is in the unoccupied state in the specific channel sensing-related operation execution section, wherein a transmission priority is assigned to each of the plurality of transmission opportunity units, and the length of the channel sensing-related opportunity execution section set prior to each of the plurality of transmission opportunity units can be adjusted according to the transmission priority assigned to each transmission opportunity unit.

公开(公告)号：US20180098234A1

公开(公告)日：2018-04-05

申请号：US15284393

申请日：2016-10-03

Applicant: LG ELECTRONICS INC.

Inventor： Kijun KIM ,  Jonghyun PARK ,  Hanbyul SEO ,  Hanjun PARK

IPC: H04W24/08 ,  H04L5/00

CPC classification number: H04L5/0053 ,  H04B7/024 ,  H04B7/0478 ,  H04B7/065 ,  H04L5/0035 ,  H04L5/005 ,  H04L5/0057

Abstract: A method of reporting channel state information (CSI) on a terminal in which a plurality of CSI processes are configured in a wireless communication system according to an embodiment of the present invention includes: measuring a channel based on a CSI reference signal (RS) resource related to one of the CSI processes; measuring interference based on a CSI-interference measurement (IM) resource related to the CSI process; determining CSI based on the measured channel and the measured interference; and reporting the CSI through an uplink channel, wherein a codebook for reporting the CSI, which is used for determining the CSI, is one of two or more codebooks that correspond independently to each of the CSI processes.

公开(公告)号：US20170280415A1

公开(公告)日：2017-09-28

申请号：US15503683

申请日：2015-08-13

Applicant: LG ELECTRONICS INC.

Inventor： Bonghoe KIM ,  Kijun KIM ,  Jonghyun PARK ,  Hanjun PARK ,  Hyangsun YOU

IPC: H04W64/00 ,  H04L5/00 ,  H04W24/10 ,  G01S5/02 ,  G01S5/10

CPC classification number: H04W64/003 ,  G01S5/02 ,  G01S5/0236 ,  G01S5/0252 ,  G01S5/10 ,  H04L5/0048 ,  H04W24/10 ,  H04W64/00 ,  H04W88/02 ,  H04W88/08

Abstract: The present invention relates to a method of measuring the position of a terminal by using a heterogeneous network signal. The method comprises receiving transmission time information that represents a time at which a signal for measuring the position of a terminal is transmitted; receiving a first signal from a reference cell at a time represented by the transmission time information; receiving a second signal from a measurement cell at a time represented by the transmission time information; calculating the difference between the time at which the first signal is received and the time at which the second signal is received to generate measurement information; and reporting the measurement information.

公开(公告)号：US20170126300A1

公开(公告)日：2017-05-04

申请号：US15343980

申请日：2016-11-04

Applicant: LG ELECTRONICS INC.

Inventor： Hanjun PARK ,  Joonkui AHN ,  Seonwook KIM ,  Suckchel YANG ,  Hanbyul SEO

IPC: H04B7/06 ,  H04L5/00 ,  H04B17/345 ,  H04W4/10

CPC classification number: H04B7/0626 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0639 ,  H04B17/345 ,  H04J11/0023 ,  H04L5/0048 ,  H04L27/2601 ,  H04W4/10 ,  H04W74/0833 ,  H04W88/02 ,  H04W88/08

Abstract: The present invention discloses a channel state information (CSI) measurement method through which a user equipment (UE) recognizes a resource pattern applied to a current CSI measurement resource through blind detection or dynamic signaling and performs CSI measurement when an evolved Node B (eNB) or the UE performs LBT (Listen-Before-Talk) based signal transmission and the eNB transmits CSI measurement resources (e.g., CRS/CSI-RS/CSI-IM) by applying one of a plurality of resource patterns thereto, and a UE performing the same.

公开(公告)号：US20170034731A1

公开(公告)日：2017-02-02

申请号：US15304379

申请日：2015-04-30

Applicant: LG ELECTRONICS INC.

Inventor： Hyunho LEE ,  Hyungtae KIM ,  Kijun KIM ,  Hanjun PARK

IPC: H04W24/10 ,  H04W72/04 ,  H04B17/345 ,  H04L5/00

CPC classification number: H04W24/10 ,  H04B17/345 ,  H04L5/00 ,  H04L5/0048 ,  H04W52/243 ,  H04W52/367 ,  H04W52/40 ,  H04W72/044

Abstract: A method for reporting a channel state in a wireless communication system is performed by a terminal and comprises the steps of: receiving a configuration with respect to a zero-power transfer resource for a channel state measurement, wherein the zero-power transmission resource corresponds to a portion of a cell-specific reference signal (CRS) resource element (RE) of a serving base station or a CRS RE of a main interference base station; determining whether the zero-power transfer resource is set in a subframe to which a reference resource for the channel state measurement belongs; if the zero-power transfer resource is set in the subframe to which the reference resource belongs, calculating a value of a first-type or second-type channel state in the zero-power transfer resource; and reporting the calculated value of the first-type or second-type channel state to the serving base station, wherein the value of the first-type or second-type channel state can be a value from which the influence of an interference signal from the main interference base station has been removed.

Abstract translation: 一种用于在无线通信系统中报告信道状态的方法由终端执行，包括以下步骤：接收关于信道状态测量的零功率传输资源的配置，其中所述零功率传输资源对应于 主干扰基站的服务基站或CRS RE的小区特定参考信号（CRS）资源元素（RE）的一部分; 确定在所述信道状态测量的参考资源所属的子帧中是否设置所述零功率传输资源; 如果在参考资源所属的子帧中设置零功率传输资源，则计算零功率传输资源中的第一类型或第二类型信道状态的值; 并向所述服务基站报告所述第一类型或第二类型信道状态的计算值，其中所述第一类型或第二类型信道状态的值可以是来自所述第一类型或第二类型信道状态的干扰信号的影响的值 主干扰基站已被删除。

公开(公告)号：US20160315745A1

公开(公告)日：2016-10-27

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 ,  H04B7/06 ,  H04W36/00 ,  H04B7/04

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.

Abstract translation: 本发明涉及一种用于在支持多天线的无线通信系统中发送参考信号的方法和装置，更具体地，涉及一种服务小区支持多天线支持无线通信系统中的相邻小区的参考信号传输的方法， 支持无线通信系统，该方法包括：向终端发送探测参考信号（SRS）配置; 向相邻小区发送SRS配置和终端相关位置信息; 以及从所述相邻小区接收根据所述SRS配置估计的基于SRS的第一信道质量值，其中，通过根据所述终端相关位置信息应用接收向量来估计所述第一信道质量值。

公开(公告)号：US20160134402A1

公开(公告)日：2016-05-12

申请号：US14927155

申请日：2015-10-29

Applicant: LG ELECTRONICS INC.

Inventor： Hanjun PARK ,  Hyunho LEE ,  Kijun KIM ,  Hyangsun YOU

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

CPC classification number: H04L27/2607 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/0048 ,  H04L27/2663 ,  H04L27/2671 ,  H04L27/2675

Abstract: A method for receiving a reference signal for determining a position in a wireless communication system performed by a terminal is provided. The method includes receiving, from a serving base station, cyclic delay information of a plurality of positioning reference signals (PRSs), receiving the plurality of PRSs from a plurality of base stations using the cyclic delay information, each of the plurality of PRSs being repeatedly received a predetermined number of times for a predetermined period of time, and a respective one of the repeatedly received PRSs having different cyclic delay values with an interval, calculating a cross-correlation value of each of the plurality of received PRSs, calculating a time difference of arrival (TDOA) value of each base station based on the cross-correlation value and reporting the calculated TDOA value to the serving base station.

Abstract translation: 提供一种用于接收用于确定由终端执行的无线通信系统中的位置的参考信号的方法。 所述方法包括从服务基站接收多个定位参考信号（PRS）的循环延迟信息，使用所述循环延迟信息从多个基站接收所述多个PRS，所述多个PRS中的每一个重复 在预定时间段内接收预定次数，并且具有间隔不同的循环延迟值的重复接收PRS中的相应一个，计算多个接收到的PRS中的每一个的互相关值，计算时间差 基于互相关值的每个基站的到达（TDOA）值，并将计算的TDOA值报告给服务基站。

公开(公告)号：US20160072567A1

公开(公告)日：2016-03-10

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: 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。