公开(公告)号：US11700099B2

公开(公告)日：2023-07-11

申请号：US17979292

申请日：2022-11-02

Applicant: LG Electronics Inc.

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

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

CPC classification number: 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

Abstract: 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

Applicant: LG ELECTRONICS INC.

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

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

Abstract: 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：US10587314B2

公开(公告)日：2020-03-10

申请号：US16034311

申请日：2018-07-12

Applicant: LG ELECTRONICS INC.

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

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

Abstract: 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

Applicant: LG ELECTRONICS INC.

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

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

Abstract: 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：US09900139B2

公开(公告)日：2018-02-20

申请号：US14147407

申请日：2014-01-03

Applicant: LG ELECTRONICS INC.

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

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

CPC classification number: H04L5/0055 ,  H04L5/0007 ,  H04L5/001 ,  H04L5/0035 ,  H04L5/0039 ,  H04L5/0041 ,  H04L5/0044 ,  H04L5/1469 ,  H04L27/2636

Abstract: 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

Applicant: LG ELECTRONICS INC.

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

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

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

Abstract: 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

Applicant: LG ELECTRONICS INC.

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

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

CPC classification number: 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

Abstract: 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.

公开(公告)号：US20170338929A1

公开(公告)日：2017-11-23

申请号：US15660633

申请日：2017-07-26

Applicant: LG Electronics Inc.

Inventor： Moon Il Lee ,  Jae Hoon Chung ,  Hyun Soo Ko ,  Seung Hee Han

IPC: H04L5/00 ,  H04J13/16 ,  H04J13/18 ,  H04L27/26 ,  H04L25/02 ,  H04J13/00 ,  H04W72/04 ,  H04W88/06 ,  H04B7/0413 ,  H04J11/00

CPC classification number: H04L5/0051 ,  H04B7/0413 ,  H04J13/0003 ,  H04J13/16 ,  H04J13/18 ,  H04J2011/0006 ,  H04J2211/005 ,  H04L5/0005 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0026 ,  H04L5/0053 ,  H04L25/0204 ,  H04L27/2602 ,  H04L27/2649 ,  H04W72/042 ,  H04W72/0426 ,  H04W88/06

Abstract: The present invention relates to a method and apparatus which transmit/receive at least one demodulation reference signal by using a CDM group and/or a transmission rank of a user device that have been used to transmit the at least one demodulation reference signal for the user device, an OCC that has been used to spread the demodulation reference signal, etc. Also, the present invention relates to a method and apparatus which change an antenna port for transmitting the demodulation reference signal by using NDI for a disabled transmission block.

公开(公告)号：US20170111900A1

公开(公告)日：2017-04-20

申请号：US15391721

申请日：2016-12-27

Applicant: LG ELECTRONICS INC.

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

IPC: H04W72/04 ,  H04B7/06 ,  H04L5/00 ,  H04B7/04 ,  H04W52/54

CPC classification number: H04W72/0413 ,  H04B7/0404 ,  H04B7/0413 ,  H04B7/0456 ,  H04B7/0626 ,  H04B7/068 ,  H04L1/1607 ,  H04L1/1812 ,  H04L1/1893 ,  H04L1/1896 ,  H04L5/0023 ,  H04L5/005 ,  H04L5/0055 ,  H04L5/0057 ,  H04L5/0092 ,  H04L5/14 ,  H04L5/1469 ,  H04W52/54 ,  H04W72/042 ,  H04W88/08

Abstract: The present invention relates to a wireless communication system and provides an efficient control information transmission method and apparatus for supporting a multiple antenna transmission technique. A method is provided for transmitting downlink hybrid automatic repeat request (HARQ) information related to an uplink multiple codeword transmission and includes receiving the uplink multiple codeword transmission, generating HARQ information related to each of the multiple codewords based on a result of decoding each of the multiple codewords, modulating the HARQ information, and transmitting the modulated HARQ information via one or more physical HARQ indicator channels (PHICHs).

公开(公告)号：US09590769B2

公开(公告)日：2017-03-07

申请号：US14802844

申请日：2015-07-17

Applicant: LG ELECTRONICS INC.

Inventor： Hyun Soo Ko ,  Jae Hoon Chung ,  Seung Hee Han ,  Moon Il Lee

IPC: H04L5/00 ,  H04L1/08 ,  H04L1/16 ,  H04L1/18 ,  H04B7/06 ,  H04W72/04 ,  H04B7/04 ,  H04W52/24 ,  H04W88/02 ,  H04W88/08 ,  H04L1/00 ,  H04L25/03

CPC classification number: H04L1/08 ,  H04B7/0413 ,  H04B7/0417 ,  H04B7/0623 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/1607 ,  H04L1/1614 ,  H04L1/1816 ,  H04L1/1822 ,  H04L1/1854 ,  H04L1/1861 ,  H04L1/1893 ,  H04L1/1896 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/0053 ,  H04L5/0055 ,  H04L25/03343 ,  H04L2025/03414 ,  H04L2025/03426 ,  H04W52/242 ,  H04W72/042 ,  H04W72/044 ,  H04W88/02 ,  H04W88/08

Abstract: Disclosed is a method for transmitting control information on uplink multi-antenna transmission from a base station and the method includes: transmitting DCI that schedules uplink transmission of a first data block and a second data block through a PDCCH; receiving the first and second data blocks scheduled by the DCI; transmitting information indicating ACK or NACK for the received first and second data blocks, respectively, by using a first PHICH for the first data block and a second PHICH resource for the second data block; receiving a retransmission for a negative-acknowledged data block; and transmitting information indicating ACK or NACK of the retransmission of the negative-acknowledged data block by using the first PHICH resource when the number of negative-acknowledged data blocks is not identical to the number of data blocks that the PDCCH indicates.

Abstract translation: 公开了一种从基站发送关于上行链路多天线传输的控制信息的方法，该方法包括：发送通过PDCCH调度第一数据块和第二数据块的上行传输的DCI; 接收DCI调度的第一和第二数据块; 通过使用用于第一数据块的第一PHICH和第二数据块的第二PHICH资源分别发送指示所接收的第一和第二数据块的ACK或NACK的信息; 接收负确认数据块的重传; 以及当所述否定确认数据块的数量与所述PDCCH指示的数据块的数量不相同时，通过使用所述第一PHICH资源来发送指示所述否定确认数据块的重传的ACK或NACK的信息。