公开(公告)号：US20200178223A1

公开(公告)日：2020-06-04

申请号：US16637727

申请日：2018-08-09

Applicant: LG ELECTRONICS INC.

Inventor： Jiwon KANG ,  Kijun KIM ,  Hyungtae KIM ,  Suckchel YANG

IPC: H04W72/04 ,  H04L5/00

Abstract: The present specification provides a transmission and reception method for reporting channel state information (CSI) in a wireless communication system, and an apparatus therefor. Particularly, the method for reporting the CSI in the wireless communication system comprises the steps of, receiving, from a base station, configuration information for control channel-based CSI reporting, receiving, from the base station, downlink control information including information for indicating a CSI reporting time at which the control channel-based CSI reporting is performed, and reporting the CSI, which is measured by a CSI-reference signal (CSI-RS) received from the base station, through the control channel at the CSI reporting time, wherein the configuration information can include information for indicating one or more control channel resources allocated for the control channel-based CSI reporting.

公开(公告)号：US20200044802A1

公开(公告)日：2020-02-06

申请号：US16499136

申请日：2018-03-26

Applicant: LG Electronics Inc.

Inventor： Jonghyun PARK ,  Kijun KIM ,  Jiwon KANG ,  Hyungtae KIM ,  Haewook PARK ,  Kunil YUM

IPC: H04L5/00 ,  H04B7/06

Abstract: A method for reporting channel state information by a terminal in a wireless communication system according to an embodiment of the present invention may comprise the steps of: receiving, from a base station, CSI-RS resource configuration information for receiving a first CSI-RS resource; receiving the first CSI-RS resource on the basis of the CSI resource configuration information; and reporting, to the base station, first CSI generated on the basis of the first CSI-RS resource, wherein, when the terminal receives configuration of one N-port CSI-RS resource according to the CSI resource configuration information, some ports of the one Y-port CSI-RS resource are configured for channel measurement for the terminal, and the remaining ports except for the some ports of the one Y-port CSI-RS resource are configured for interference measurement for the terminal.

公开(公告)号：US20200036424A1

公开(公告)日：2020-01-30

申请号：US16537332

申请日：2019-08-09

Applicant: LG Electronics Inc.

Inventor： Jiwon KANG ,  Jonghyun PARK ,  Kijun KIM ,  Hyungtae KIM

IPC: H04B7/06 ,  H04B7/0417

Abstract: A method for measuring and reporting channel state information (CSI) in a wireless communication system and a device therefor. Specifically, a method for reporting, by a user equipment, channel state information (CSI) in a wireless communication system includes: receiving CSI reporting setting information related with CSI reporting; receiving one or more channel state information (CSI)-reference signals (CSI-RSs); performing the CSI reporting by using a measurement value estimated by at least one specific CSI-RS among the one or more CSI-RSs, in which the at least one specific CSI-RS may be determined based on gap information for configuring a measurement interval for estimating the measurement value and a performing timing of the CSI reporting.

公开(公告)号：US20190326973A1

公开(公告)日：2019-10-24

申请号：US16337383

申请日：2017-09-28

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae KIM

IPC: H04B7/06 ,  H04B7/0456 ,  H04B7/0417 ,  H04L5/00 ,  H04W88/06

Abstract: Disclosed in the present invention is a method for a user equipment reporting channel state information to a base station in a wireless communication system. The method for reporting CSI comprises the steps of: receiving, from the base station, a channel state information-reference signal (CSI-RS) defined by at least two antenna ports; estimating the rank of a downlink channel based on the CSI-RS; configuring a plurality of precoders corresponding to the estimated rank with at least two precoder groups; calculating a channel quality indicator under the assumption that the at least two precoder groups are rotationally applied to at least one resource block unit, wherein precoders included in the precoder groups rotationally applied to the at least one resource block unit is rotationally applied to at least one resource element unit; and reporting the CSI including the calculated CQI to the base station.

公开(公告)号：US20190268047A1

公开(公告)日：2019-08-29

申请号：US16309433

申请日：2017-07-05

Applicant: LG ELECTRONICS INC.

Inventor： Hyungtae KIM ,  Jonghyun PARK ,  Haewook PARK ,  Daesung HWANG

IPC: H04B7/0417 ,  H04B7/06

Abstract: Disclosed in the present invention is a method by which a terminal reports channel status information (CSI) to a base station in a wireless communication system. The method comprises the steps of: receiving, through an upper layer, information on one CSI process having a first enhanced multiple input multiple output (eMIMO) type and a second eMIMO type; receiving a first channel status information-reference signal (CSI-RS) corresponding to the first eMIMO type; periodically reporting, to the base station, first CSI measured on the basis of the first CSI-RS; receiving a second CSI-RS, which corresponds to the second eMIMO type, beamformed on the basis of the first CSI; and periodically reporting, to the base station, second CSI measured on the basis of the second CSI-RS, wherein a priority of the first CSI is set to be equal to a priority of a CSI-RS resource indicator (CRI).

公开(公告)号：US20190245603A1

公开(公告)日：2019-08-08

申请号：US16266890

申请日：2019-02-04

Applicant: LG ELECTRONICS INC.

Inventor： Kunil YUM ,  Jiwon KANG ,  Lijun KIM ,  Hyungtae KIM ,  Haewook PARK

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

Abstract: A channel state reporting method based on a channel state information-reference signal (CSI-RS) in a wireless communication system, according to one embodiment of the present invention, comprises the steps of: receiving a CSI-RS-related configuration from a base station; calculating a CSI by measuring a CSI-RS according to the CSI-RS-related configuration; and transmitting the calculated CSI to the base station, wherein the CSI-RS-related configuration may include a CSI-RS configuration for a CSI or a CSI-RS configuration for beam management (BM).

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：US20190174323A1

公开(公告)日：2019-06-06

申请号：US16186291

申请日：2018-11-09

Applicant: LG ELECTRONICS INC.

Inventor： Seongwon GO ,  Hyungtae KIM ,  Jiwon KANG

IPC: H04W16/12 ,  H04W72/04 ,  H04W16/14 ,  H04W24/10 ,  H04W76/27 ,  H04L12/26

CPC classification number: H04W16/12 ,  H04B7/0452 ,  H04B7/0695 ,  H04B7/088 ,  H04L5/00 ,  H04L43/16 ,  H04W16/14 ,  H04W24/10 ,  H04W72/042 ,  H04W72/0446 ,  H04W72/0453 ,  H04W72/046 ,  H04W76/27

Abstract: Provided are a method for a UE to transmit and receive data in a wireless communication system and an apparatus therefor. The UE receives downlink control information from a base station. The downlink control information includes an indicator for configuring the bundling size of a downlink shared channel. The UE receives downlink data from the base station through a downlink shared channel configured based on the downlink control information. The bundling size may be configured based on a value of the indicator.

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.