公开(公告)号：US20190215096A1

公开(公告)日：2019-07-11

申请号：US16305855

申请日：2017-06-26

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae KIM ,  Jonghyun PARK

IPC: H04L1/00 ,  H04L5/00 ,  H04W72/04 ,  H04W28/22 ,  H04W88/02

Abstract: Disclosed in the present application is a method by which a terminal receives a terminal-specific control channel from a base station in a wireless communication system. Particularly, the method comprises the steps of: receiving, through an upper layer, resource configuration information for at least one aperiodic channel status information-reference signal (CSI-RS); receiving a common control channel including rate matching information of the terminal-specific control channel; and receiving, from the base station, together with the at least one aperiodic CSI-RS, the terminal-specific control channel including a triggering message of a CSI report based on the at least one aperiodic CSI-RS, by using the rate matching information.

公开(公告)号：US20190190672A1

公开(公告)日：2019-06-20

申请号：US16323243

申请日：2017-08-11

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae KIM ,  Jonghyun PARK

IPC: H04L5/00 ,  H04W72/04

CPC classification number: H04L5/0048 ,  H04B7/024 ,  H04L1/00 ,  H04L5/00 ,  H04W72/0406 ,  H04W88/02

Abstract: Disclosed herein is a method for receiving a user equipment-specific reference signal-based data signal by a user equipment in a wireless communication system. Particularly, the method comprises the steps of: receiving a control signal for the user equipment-specific reference signal-based data signal from an eNodeB; and receiving the user equipment-specific reference signal-based data signal on the basis of the control signal, wherein the control signal includes information on an antenna port for a channel status information-reference signal, the antenna port being assumed to be quasi-co-located (QCL) with an antenna port for the user equipment-specific reference signal, and the channel status information-reference signal excludes an aperiodic channel status information-reference signal.

公开(公告)号：US20190158155A1

公开(公告)日：2019-05-23

申请号：US16255624

申请日：2019-01-23

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun PARK ,  Byounghoon KIM ,  Youngwoo YUN ,  Kijun KIM ,  Haewook PARK

IPC: H04B7/0417 ,  H04B7/06 ,  H04L5/00 ,  H04B7/04

Abstract: A method for reporting, by a user equipment (UE), channel state information (CSI) in a wireless communication system, includes transmitting, to a base station, UE capability information including information for a maximum number of channel state information-reference signal (CSI-RS) resources; receiving, from the base station, CSI-RS configuration information via a higher layer signaling; receiving, from the base station, a channel state information-reference signal (CSI-RS) on at least one CSI-RS port based on the CSI-RS configuration information; measuring a channel based on the CSI-RS; and reporting, to the base station, a result of the channel measurement.

公开(公告)号：US20190157770A1

公开(公告)日：2019-05-23

申请号：US16096681

申请日：2017-04-25

Applicant: LG ELECTRONICS INC.

Inventor： Haewook PARK ,  Jonghyun PARK ,  Kijun KIM ,  Hyungtae KIM

IPC: H01Q21/06 ,  H04L1/18 ,  H04W72/04 ,  H01Q3/26 ,  H04B7/0456 ,  H04B7/06

Abstract: In an aspect of the present invention, a method for a user equipment to report channel state information (CSI) in a multi-antenna wireless communication system may include the steps of receiving first configuration information about a non-precoded first channel state information-reference signal (CSI-RS) configuration from a base station, receiving the first CSI-RS, reporting, to the base station, the first CSI generated based on the first CSI-RS, and reporting, to the base station, codebook configuration information about a codebook configuration which is a basis for generating the first CSI.

公开(公告)号：US20190132031A1

公开(公告)日：2019-05-02

申请号：US16079079

申请日：2017-02-23

Applicant: LG ELECTRONICS INC.

Inventor： Haewook PARK ,  Jonghyun PARK ,  Kijun KIM ,  Hyungtae KIM

IPC: H04B7/0456 ,  H04B7/06

Abstract: A method and an apparatus for transmitting and receiving channel state information in a multi-antenna wireless communication system are disclosed. Specifically, a method for reporting channel state information (CSI), by a User Equipment (UE), in a multi-antenna wireless communication system, the method comprising receiving, from a base station, configuration information for single CSI reporting in which a non-precoded CSI-RS based CSI reporting and a beamformed CSI-RS based CSI reporting are combined, reporting a first Precoding Matrix Indicator (PMI) and/or a first Rank Indicator (RI) derived based on a non-precoded CSI-RS to the base station, and reporting a Channel Quality Indicator (CQI), a second PMI, and a second RI based on a beamformed CSI-RS to the base station, wherein a value of the first RI is determined as only a value belonging to a previously determined set.

公开(公告)号：US20190124534A1

公开(公告)日：2019-04-25

申请号：US16089904

申请日：2017-03-23

Applicant: LG ELECTRONICS INC.

Inventor： Kunil YUM ,  Jonghyun PARK ,  Haewook PARK

IPC: H04W24/10

Abstract: The present invention according to one embodiment comprises the steps of: receiving linear-combination (LC) code word-based channel state reporting configuration, which is expressed by parameters comprising an LC coefficient and a phase differential (co-phase) value between antenna groups having mutually different polarization characteristics; measuring a downlink reference signal for a channel state reporting in accordance with the received channel state reporting configuration; and transmitting, to a base station, the LC code book-based channel state report corresponding to the reference signal measurement, wherein the channel state reporting can only support a broadband reporting mode.

公开(公告)号：US20190036573A1

公开(公告)日：2019-01-31

申请号：US16067508

申请日：2016-12-29

Applicant: LG ELECTRONICS INC. ,  SOGANG UNIVERSITY RESEARCH FOUDATION

Inventor： Jonghyun PARK ,  Junyeub SUH ,  Junsik SHIN ,  Wonjin SUNG ,  Kijun KIM

IPC: H04B7/0417 ,  H04B7/0456 ,  H04B7/06

Abstract: A method for transmitting and receiving signals based on a codebook in a multi-antenna wireless communication system, the method comprising: transmitting a channel state information reference signal (CSI-RS); and reporting channel state information to the base station; Wherein the channel state information includes a Precoding Matrix Indicator (PMI) for indicating a specific code vector among a plurality of code vectors included in the codebook, the codebook being included in each code vector And a phase difference between adjacent elements may be set to be different from each other.

公开(公告)号：US20180375561A1

公开(公告)日：2018-12-27

申请号：US16063226

申请日：2016-12-16

Applicant: LG ELECTRONICS INC.

Inventor： Haewook PARK ,  Jonghyun PARK ,  Kijun KIM

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

CPC classification number: H04B7/0626 ,  H04B7/0456 ,  H04B7/0469 ,  H04B7/0617 ,  H04B7/10 ,  H04L5/0048 ,  H04L5/005 ,  H04L5/0094

Abstract: According to one aspect of the present invention, a method for reporting channel state information (CSI) of a terminal in a wireless communication system comprises the steps of: receiving, from a base station, channel state information-reference signal (CSI-RS) resource information on a CSI-RS resource to which a CSI-RS is mapped; receiving the CSI-RS transmitted through one or more antenna ports from the base station on the basis of the received CSI-RS resource information; and reporting, to the base station, the CSI generated on the basis of the received CSI-RS.

公开(公告)号：US20180302203A1

公开(公告)日：2018-10-18

申请号：US15770101

申请日：2016-10-21

Applicant: LG ELECTRONICS INC.

Inventor： Seonwook KIM ,  Joonkui AHN ,  Kijun KIM ,  Jonghyun PARK ,  Hanjun PARK ,  Yunjung YI

IPC: H04L5/00 ,  H04W48/16 ,  H04W16/14 ,  H04W74/08 ,  H04W72/04

Abstract: The embodiments of the present invention relate to a wireless access system supporting an unlicensed band and to methods for generating a discovery signal (DRS), methods for generating and transmitting a channel state information reference signal included in the DRS, and devices for supporting same. The method for transmitting a discovery signal (DRS) including a channel state information reference signal (CSI-RS) in a wireless access system supporting an unlicensed band, according to one embodiment of the present invention, may comprise the steps of: initiating, in subframe n (SF #n), a listen-before-talk (LBT) procedure for checking whether the unlicensed band is idle or not; if an LBT procedure succeeds in SF #n+k, generating a sequence for transmitting the CSI-RS on the basis of the subframe index j indicating SF #j; and transmitting the DRS, including the CSI-RS, in SF #n+k. Herein n, k, and j are preferably integers greater than or equal to 0 and less than or equal to 9.

公开(公告)号：US20180270784A1

公开(公告)日：2018-09-20

申请号：US15744548

申请日：2016-08-09

Applicant: LG ELECTRONICS INC.

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

IPC: H04W64/00 ,  H04L5/00 ,  H04W72/04 ,  H04W24/10 ,  H04W8/26

CPC classification number: H04W64/003 ,  G01S1/20 ,  G01S5/0036 ,  G01S5/0236 ,  G01S5/10 ,  H04J11/00 ,  H04L5/0048 ,  H04L5/0055 ,  H04W8/26 ,  H04W24/10 ,  H04W64/00 ,  H04W72/0406

Abstract: A method for measuring a reference signal for location determination in a wireless communication system, according to an embodiment of the present invention, is performed by means of a terminal. The method comprises the steps of: receiving assistant data related to neighbor cells and a reference cell for location determination; by means of the assistant data, receiving a positioning reference signal (PRS) of a cell-specific reference signal (CRS) of the reference cell or the neighbor cells and calculating a reference signal time difference (RSTD) measurement value; and reporting the measurement value to a location server, wherein the assistant data can comprise information about the number of CRS antenna ports of the reference cell and neighbor cells, CRS cyclic prefix (CP) length information, or configuration information about multicast broadcast single frequency network (MBSFN) subframes.