公开(公告)号：US11700099B2

公开(公告)日：2023-07-11

申请号：US17979292

申请日：2022-11-02

申请人： LG Electronics Inc.

发明人： Hyun Soo Ko ,  Seung Hee Han ,  Ja Ho Koo ,  Jae Hoon Chung ,  Bin Chul Ihm ,  Moon Il Lee

IPC分类号： H04L5/00 ,  H04B7/06 ,  H04L25/02 ,  H04B7/0413 ,  H04L25/03

CPC分类号： H04L5/0048 ,  H04B7/0413 ,  H04B7/0613 ,  H04B7/0632 ,  H04L5/0007 ,  H04L5/0026 ,  H04L5/0057 ,  H04L25/0226 ,  H04L5/0039 ,  H04L5/0073 ,  H04L5/0085 ,  H04L2025/03426 ,  H04L2025/03802

摘要： A method for transmitting a reference signal in a multi-antenna system is provided. The method includes: selecting at least one orthogonal frequency division multiplexing (OFDM) symbol in a subframe containing a plurality of OFDM symbols; allocating a channel quality indication reference signal (CQI RS) capable of measuring a channel state for each of a plurality of antennas to the selected at least one OFDM symbol; and transmitting the CQI RS, wherein the CQI RS is allocated to an OFDM symbol which does not overlap with an OFDM symbol to which a common reference signal to be transmitted to all user equipments in a cell or a dedicated reference signal to be transmitted to a specific user equipment in the cell is allocated.

公开(公告)号：US11005627B2

公开(公告)日：2021-05-11

申请号：US16530670

申请日：2019-08-02

申请人： LG ELECTRONICS INC.

发明人： Moon Il Lee ,  Ja Ho Koo ,  Jae Hoon Chung ,  Bin Chul Ihm ,  Hyun Soo Ko

IPC分类号： H04L5/00 ,  H04W24/10 ,  H04L23/00 ,  H04W72/08

摘要： A method of transmitting a reference signal by a base station in a wireless communication system is provided. The method includes: generating a plurality of reference signals for channel measurement, wherein the plurality of reference signals for channel measurement are different types; and transmitting the plurality of reference signals for channel measurement, wherein the plurality of reference signals for channel measurement are transmitted using one or more subframes as a duty cycle.

公开(公告)号：US10721045B2

公开(公告)日：2020-07-21

申请号：US15910727

申请日：2018-03-02

申请人： LG ELECTRONICS INC.

发明人： Seung Hee Han ,  Sung Ho Moon ,  Jae Hoon Chung ,  Moon Il Lee ,  Yeong Hyeon Kwon

IPC分类号： H04L5/00 ,  H04L27/26 ,  H04J13/00 ,  H04J11/00

摘要： A method for transmitting control information via a PUCCH in a wireless communication system and an apparatus for performing the method are provided, the method including joint-coding a plurality of pieces of control information to obtain a single code word; obtaining a first modulated symbol sequence from the single code word; obtaining a plurality of second modulated symbol sequences corresponding to each slot in the PUCCH from the first modulated symbol sequence; cyclically shifting the plurality of second modulated symbol sequences in a time domain to obtain a plurality of third modulated symbol sequences; performing a Discrete Fourier Transform (DFT) precoding process on the plurality of third modulated symbol sequences to obtain a plurality of complex symbol sequences in a frequency domain; and transmitting the plurality of complex symbol sequences via the PUCCH.

公开(公告)号：US10587314B2

公开(公告)日：2020-03-10

申请号：US16034311

申请日：2018-07-12

申请人： LG ELECTRONICS INC.

发明人： Hyun Soo Ko ,  Seung Hee Han ,  Ja Ho Koo ,  Jae Hoon Chung ,  Bin Chul Ihm ,  Moon Il Lee

IPC分类号： H04W4/00 ,  H04B7/0413 ,  H04B7/06 ,  H04L5/00 ,  H04L27/26 ,  H04L25/02 ,  H04L25/03

摘要： A method for transmitting a reference signal in a multi-antenna system is provided. The method includes: selecting at least one orthogonal frequency division multiplexing (OFDM) symbol in a subframe containing a plurality of OFDM symbols; allocating a channel quality indication reference signal (CQI RS) capable of measuring a channel state for each of a plurality of antennas to the selected at least one OFDM symbol; and transmitting the CQI RS, wherein the CQI RS is allocated to an OFDM symbol which does not overlap with an OFDM symbol to which a common reference signal to be transmitted to all user equipments in a cell or a dedicated reference signal to be transmitted to a specific user equipment in the cell is allocated.

公开(公告)号：US10349419B2

公开(公告)日：2019-07-09

申请号：US15808700

申请日：2017-11-09

申请人： LG ELECTRONICS INC.

发明人： Hyun Soo Ko ,  Jae Hoon Chung ,  Bin Chul Ihm ,  Moon Il Lee

IPC分类号： H04W72/04 ,  H04B1/707 ,  H04B7/0413 ,  H04L5/00 ,  H04B7/0452 ,  H04B7/06

摘要： The present invention relates to a method in which a user equipment receives a downlink signal from a base station in a wireless communication system that supports downlink mimo transmission according to one embodiment of the present invention comprises: receiving downlink control information that includes information indicative of the number of layers (n, 1≤n≤8) where one or two enabled code words of the downlink mimo transmission are mapped; on the basis of the downlink control information, receiving downlink data transmitted over the respective n layers and a ue-specific reference signal for each of the n layers; and decoding the downlink data on the basis of the ue-specific reference signals, wherein the information indicative of the number of layers can further include information on a code for identifying the ue-specific reference signals.

公开(公告)号：US10159064B2

公开(公告)日：2018-12-18

申请号：US15673041

申请日：2017-08-09

申请人： LG ELECTRONICS INC.

发明人： Ki Hwan Kim ,  Jae Hoon Chung ,  Moon Il Lee

IPC分类号： H04W72/04 ,  H04L5/00 ,  H04J1/02 ,  H04L1/18 ,  H04L1/00 ,  H04L1/16

摘要： A method for multiplexing a data information stream, including a systematic symbol and a non-systematic symbol, and a control information stream of at least three types in a wireless mobile communication system is disclosed. The method includes mapping the data information stream to a resource area so that the systematic symbol is not mapped to a specific resource area to which the control information stream is mapped, and mapping the control information stream to the specific resource area.

公开(公告)号：US09935752B2

公开(公告)日：2018-04-03

申请号：US14960064

申请日：2015-12-04

申请人： LG ELECTRONICS INC.

发明人： Min Seok Noh ,  Jae Hoon Chung ,  Sung Ho Moon ,  Seung Hee Han ,  Moon Il Lee

IPC分类号： H04J3/00 ,  H04L5/00 ,  H04W72/04 ,  H04L5/14 ,  H04W76/04

CPC分类号： H04L5/0048 ,  H04L5/0007 ,  H04L5/0053 ,  H04L5/14 ,  H04L5/1469 ,  H04W72/042 ,  H04W76/27

摘要： A method for transmitting a sounding reference signal (SRS) at a user equipment in a time division duplex (TDD) communication system; and the user equipment are discussed. The method includes receiving downlink control information (DCI) including a request of the SRS transmission. The DCI includes information for receiving downlink data using multiple antennas by the user equipment. The method further includes transmitting the SRS to the base station according to the request of the SRS transmission.

公开(公告)号：US09900139B2

公开(公告)日：2018-02-20

申请号：US14147407

申请日：2014-01-03

申请人： LG ELECTRONICS INC.

发明人： Moon Il Lee ,  Seung Hee Han ,  Jae Hoon Chung ,  Hyun Soo Ko ,  Bin Chul Ihm

IPC分类号： H04L5/00 ,  H04L27/26 ,  H04L5/14

CPC分类号： H04L5/0055 ,  H04L5/0007 ,  H04L5/001 ,  H04L5/0035 ,  H04L5/0039 ,  H04L5/0041 ,  H04L5/0044 ,  H04L5/1469 ,  H04L27/2636

摘要： A method and an apparatus of receiving data, the method carried in a user equipment (UE) configured to communicate with a first cell and a second cell, are provided. The method includes: receiving a first downlink data through a first downlink channel from the first cell, receiving a second downlink data through a second downlink channel from the second cell, and transmitting a data on a third channel, wherein the data transmitted on the third channel is related to a HARQ operation, and wherein the third channel is used to transmit the data related to the HARQ operation with respect to both the first data and the second data which have been received from the first and second cells, respectively.

公开(公告)号：US09854583B2

公开(公告)日：2017-12-26

申请号：US14797560

申请日：2015-07-13

申请人： LG ELECTRONICS INC.

发明人： Hyun Soo Ko ,  Jae Hoon Chung ,  Bin Chul Ihm ,  Moon Il Lee

IPC分类号： H04W72/04 ,  H04B1/707 ,  H04B7/0413 ,  H04L5/00 ,  H04B7/0452 ,  H04B7/06

CPC分类号： H04W72/048 ,  H04B1/707 ,  H04B7/0413 ,  H04B7/0452 ,  H04B7/0665 ,  H04B2201/70701 ,  H04L5/0007 ,  H04L5/0051 ,  H04L5/0053

摘要： The present invention relates to a method in which a user equipment receives a downlink signal from a base station in a wireless communication system that supports downlink mimo transmission according to one embodiment of the present invention comprises: receiving downlink control information that includes information indicative of the number of layers (n, 1≦n≦8) where one or two enabled code words of the downlink mimo transmission are mapped; on the basis of the downlink control information, receiving downlink data transmitted over the respective n layers and a ue-specific reference signal for each of the n layers; and decoding the downlink data on the basis of the ue-specific reference signals, wherein the information indicative of the number of layers can further include information on a code for identifying the ue-specific reference signals.

公开(公告)号：US09843466B2

公开(公告)日：2017-12-12

申请号：US15416706

申请日：2017-01-26

申请人： LG ELECTRONICS INC.

发明人： Hyun Soo Ko ,  Min Seok Noh ,  Jae Hoon Chung ,  Seung Hee Han ,  Moon Il Lee

IPC分类号： H04L27/26 ,  H04L5/00 ,  H04J11/00 ,  H04B7/0452 ,  H04W88/02

CPC分类号： H04L27/2613 ,  H04B7/0452 ,  H04J11/005 ,  H04J13/0062 ,  H04J13/0074 ,  H04J2211/005 ,  H04L5/0012 ,  H04L5/0026 ,  H04L5/0037 ,  H04L5/0048 ,  H04L5/0051 ,  H04L5/0082 ,  H04L5/0092 ,  H04L27/2636 ,  H04W28/04 ,  H04W72/04 ,  H04W88/02

摘要： A method for disabling a sequence group hopping by a user equipment (UE) in a wireless communication system, the method includes receiving a cell-specific sequence group hopping parameter from a base station, wherein the cell-specific sequence group hopping parameter is used to enable the sequence group hopping for a plurality of UEs, including the UE, in a cell; receiving a UE-specific sequence group hopping parameter from the base station, wherein the UE-specific sequence group hopping parameter is used to disable the sequence group hopping for the UE; and disabling the sequence group hopping by the UE-specific sequence group hopping parameter.