公开(公告)号：US11297608B2

公开(公告)日：2022-04-05

申请号：US16306389

申请日：2017-05-18

Applicant: LG ELECTRONICS INC.

Inventor： Kilbom Lee ,  Jaehoon Chung ,  Kyuseok Kim ,  Minki Ahn

IPC: H04W72/04 ,  H04W74/08

Abstract: Disclosed are an information transmission method and terminal for: determining from a base station that a beam mismatch has occurred; transmitting a terminal-specifically allocated RACH preamble to the base station in order to transmit beam-related information indicating that the beam mismatch to the base station; receiving, from the base station, a message (for example, RACH response) for requesting transmission of the beam-related information; and transmitting uplink control information including the beam-related information to the base station.

公开(公告)号：US11171761B2

公开(公告)日：2021-11-09

申请号：US16542849

申请日：2019-08-16

Applicant: LG ELECTRONICS INC.

Inventor： Eunjong Lee ,  Jaehoon Chung ,  Genebeck Hahn ,  Jinmin Kim ,  Kukheon Choi ,  Kwangseok Noh ,  Sangrim Lee

IPC: H04L5/00 ,  H04W72/12 ,  H04W72/04 ,  H04L5/14 ,  H04L1/00 ,  H04W52/34

Abstract: A method and device for receiving downlink data in a wireless communication system are discussed. The method performed by a terminal includes receiving, from a base station, first downlink control information through a physical downlink control channel (PDCCH) or a short PDCCH (sPDCCH), wherein the first downlink control information schedules a plurality of short physical downlink shared channel (sPDSCH) regions based on a first transmission time interval (TTI)-based radio frame structure, and each of the plurality of the sPDSCH regions is included in a different plurality of short subframes based on the first TTI-based radio frame structure, respectively; and receiving, from the base station, first downlink data in the plurality of the sPDSCH regions based on the first downlink control information, wherein the first TTI-based radio frame structure has a shorter interval than a second TTI-based radio frame structure for the PDSCH region in which second downlink data is transmitted.

公开(公告)号：US20210143886A1

公开(公告)日：2021-05-13

申请号：US17263372

申请日：2019-07-26

Applicant: LG ELECTRONICS INC.

Inventor： Jaehoon Chung ,  Jiwon Kang ,  Haewook Park

IPC: H04B7/06 ,  H04B7/0456 ,  H04W72/10 ,  H04W72/04 ,  H04W72/12

Abstract: The present disclosure provides a method for transmitting and receiving channel state information (CSI) in a wireless communication system and a device supporting the same.
Particularly, a method for reporting channel state information (CSI) performed by a user equipment (UE) supported by multiple base stations in a wireless communication system may include receiving CSI related configuration information for the multiple base stations; receiving a reference signal from the multiple base stations; generating CSI based on a CSI omission rule; and transmitting the CSI to at least one base station among the multiple base stations, wherein the CSI may include information for multiple channels configured, and wherein the CSI omission rule may be determined based on at least one of i) a type of the CSI, ii) a part of the CSI, iii) priority information among CSI parameters and/or iv) priority information among the multiple base stations.

公开(公告)号：US10965499B2

公开(公告)日：2021-03-30

申请号：US16064983

申请日：2017-06-02

Applicant: LG Electronics Inc.

Inventor： Kilbom Lee ,  Jaehoon Chung ,  Kyuseok Kim ,  Minki Ahn

IPC: H04L27/26 ,  H04L25/02

Abstract: Disclosed are a signal transmission method and a base station, the signal transmission method comprising: generating a PTRS used for estimating phase noise in a downlink signal; transmitting, to a terminal, at least one form among information indicating whether the PTRS is transmitted by means of downlink signaling, and information indicating an antenna port of the PTRS; and transmitting the PTRS to the terminal in accordance with the information transmitted thereto.

公开(公告)号：US10938616B2

公开(公告)日：2021-03-02

申请号：US16738515

申请日：2020-01-09

Applicant: LG Electronics Inc.

Inventor： Kilbom Lee ,  Jaehoon Chung ,  Kyuseok Kim ,  Minki Ahn

IPC: H04L27/26 ,  H04L5/00 ,  H04B7/01 ,  H04B7/06 ,  H04J13/00 ,  H04L25/02

Abstract: Disclosed are a signal transmission method and a base station, the method: generating a PCRS used in order to remove phase noise from a downlink signal; mapping the PCRS at predetermined intervals on a region, in which a data channel is mapped, in a downlink resource region; and transmitting the PCRS to a terminal.

公开(公告)号：US10917154B2

公开(公告)日：2021-02-09

申请号：US16529975

申请日：2019-08-02

Applicant: LG ELECTRONICS INC.

Inventor： Seunghee Han ,  Jaehoon Chung ,  Hyunwoo Lee ,  Moonil Lee ,  Hyunsoo Ko

IPC: H04L12/26 ,  H04B7/06 ,  H04L1/00 ,  H04L5/00 ,  H04L27/26 ,  H04L1/16 ,  H04W72/10 ,  H04L1/18 ,  H04W24/02 ,  H04W24/10 ,  H04W28/06

Abstract: The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for reporting CSI in a wireless communication system, the method comprising: a step for configuring a plurality of serving cells; and a step for reporting the CSI of only one serving cell in a corresponding subframe, wherein the step for reporting the CSI of only one serving cell comprises: excluding reporting the CSI of a lower priority when CSI reports of the plurality of serving cells in the corresponding subframe collide; and excluding reporting the CSI of serving cells other than the serving cell having the smallest index when the CSI reports of different serving cells having the same priority in the corresponding subframe collide.

公开(公告)号：US10785763B2

公开(公告)日：2020-09-22

申请号：US16293473

申请日：2019-03-05

Applicant: LG ELECTRONICS INC.

Inventor： Sungho Moon ,  Seunghee Han ,  Jaehoon Chung

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

Abstract: The present invention relates to a method for receiving a downlink signal at a terminal in a wireless communication system. In particular, the method comprises: receiving a control channel to be transmitted to a specific subframe via a first carrier; and decoding a data channel corresponding to the control channel to be transmitted to the specific subframe via a second carrier, using at least one parameter included in the control channel, wherein information on the orthogonal frequency division multiplexing (OFDM) start symbol of data channels that are transmitted via each of at least one carrier allocated to the terminal is signaled through an upper layer.

公开(公告)号：US10595285B2

公开(公告)日：2020-03-17

申请号：US16046062

申请日：2018-07-26

Applicant: LG ELECTRONICS INC.

Inventor： Dongcheol Kim ,  Hangyu Cho ,  Yeonghyeon Kwon ,  Jaehoon Chung

IPC: H04W72/04 ,  H04W52/36 ,  H04L5/00 ,  H04W76/19 ,  H04L25/03 ,  H04W88/02

Abstract: An apparatus and method for transmitting a power headroom report in a communication system supporting multi-carriers are disclosed, by which a user equipment is enabled to transmit the power headroom report. According to the present invention, a user equipment calculates a power headroom for each of at least one activated serving cell using a maximum transmission power of the user equipment for each of at least one activated serving cell and transmits the power headroom report including the power headroom for each of the at least one activated serving cell and the maximum transmission power of the user equipment for each of the at least one activated serving cell to a base station. In this case, the power headroom includes an information on power status of the user equipment for each of the at least one activated serving cell.

公开(公告)号：US10587446B2

公开(公告)日：2020-03-10

申请号：US16064977

申请日：2017-03-09

Applicant: LG Electronics Inc.

Inventor： Kilbom Lee ,  Jaehoon Chung ,  Kyuseok Kim ,  Minki Ahn

IPC: H04L27/26 ,  H04L5/00 ,  H04B7/01 ,  H04B7/06 ,  H04J13/00 ,  H04L25/02

Abstract: Disclosed are a signal transmission method and a base station, the method: generating a PCRS used in order to remove phase noise from a downlink signal; mapping the PCRS at predetermined intervals on a region, in which a data channel is mapped, in a downlink resource region; and transmitting the PCRS to a terminal.

公开(公告)号：US10560241B2

公开(公告)日：2020-02-11

申请号：US15402765

申请日：2017-01-10

Applicant: LG ELECTRONICS INC.

Inventor： Hyunwoo Lee ,  Jaehoon Chung ,  Seunghee Han

IPC: H04W4/00 ,  H04L5/00 ,  H04L5/14 ,  H04L1/16 ,  H04L1/18 ,  H04W36/00 ,  H04W72/04 ,  H04W52/04 ,  H04L27/26

Abstract: A method for transmitting Acknowledgement/Negative Acknowledgement (ACK/NACK) information at a User Equipment (UE) configured to use a Physical Uplink Control Channel (PUCCH) format 3 in a wireless communication system, the method includes transmitting ACK/NACK information for downlink transmission in a downlink frame set including M downlink subframes in one uplink subframe, where M≥1, wherein the ACK/NACK information is transmitted using a PUCCH format 1b when at least one of specific conditions is met, wherein more than one serving cell is configured for the UE and the more than one serving cell includes one Primary Cell (PCell) and at least one Secondary Cell (SCell), wherein the specific conditions comprise: a first condition in case both one Physical Downlink Shared Channel (PDSCH), indicated by a detection of a corresponding Physical Downlink Control Channel (PDCCH), is present only on the PCell in the downlink subframe set, and a Downlink Assignment Index (DAI) value in the PDCCH is equal to 1, and a second condition in case one Semi-Persistent Scheduling (SPS) release PDCCH with the DAI value being equal to 1 is present on the PCell in the downlink subframe set.