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    METHOD AND APPARATUS FOR TRANSMITTING UPLINK DATA IN A WIRELESS ACCESS SYSTEM
    81.
    发明申请
    METHOD AND APPARATUS FOR TRANSMITTING UPLINK DATA IN A WIRELESS ACCESS SYSTEM 有权
    用于在无线接入系统中发送上行数据的方法和装置

    公开(公告)号：US20130262963A1

    公开(公告)日：2013-10-03

    申请号：US13757691

    申请日：2013-02-01

    Applicant: LG ELECTRONICS INC.

    Inventor： Ki Hwan KIM ,  Young Seob LEE ,  Seung Hyun KANG ,  Jae Hoon CHUNG

    IPC: H03M13/09

    CPC classification number: H04L1/0061 ,  G06F11/1004 ,  H03M13/091 ,  H04L1/0065 ,  H04L1/0083

    Abstract: A method of channel coding for transmitting data in a wireless access system includes: calculating a number C of code blocks by an equation of C=┌B/(Z−L)┐, wherein B denotes a size of an input bit sequence, wherein Z denotes a maximum size of the code blocks, and wherein L denotes a size of a cyclic redundancy check (CRC) which is to be attached to each of the code blocks; calculating a size B′ of a modified input bit sequence by an equation of B′=B+C*L; generating the code blocks based on the number C of the code blocks and the size B′ of the modified input bit sequence; and channel-coding the code blocks.

    Abstract translation: 一种用于在无线接入系统中发送数据的信道编码方法包括：通过C =┌B/（ZL）an等式计算码块数C，其中B表示输入比特序列的大小，其中Z表示 代码块的最大大小，并且其中L表示要附加到每个代码块的循环冗余校验（CRC）的大小; 通过B'= B + C * L的等式计算修改的输入比特序列的大小B'; 基于代码块的数量C和修改的输入比特序列的大小B'生成代码块; 并对代码块进行通道编码。

    METHOD AND APPARATUS FOR TRANSMITTING REFERENCE SIGNAL IN MULTI-ANTENNA SYSTEM
    82.
    发明申请
    METHOD AND APPARATUS FOR TRANSMITTING REFERENCE SIGNAL IN MULTI-ANTENNA SYSTEM 有权

    公开(公告)号：US20220077898A1

    公开(公告)日：2022-03-10

    申请号：US17527294

    申请日：2021-11-16

    Applicant: LG Electronics Inc.

    Inventor： Hyun Soo KO ,  Seung Hee HAN ,  Ja Ho KOO ,  Jae Hoon CHUNG ,  Bin Chul IHM ,  Moon Il LEE

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

    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.

    CHANNEL-SOUNDING METHOD USING A PLURALITY OF ANTENNAS, AND APPARATUS FOR SAME
    84.
    发明申请
    CHANNEL-SOUNDING METHOD USING A PLURALITY OF ANTENNAS, AND APPARATUS FOR SAME 审中-公开

    公开(公告)号：US20190296874A1

    公开(公告)日：2019-09-26

    申请号：US16422444

    申请日：2019-05-24

    Applicant: LG Electronics Inc.

    Inventor： Jae Hoon CHUNG ,  Yeong Hyeon KWON ,  Seung Hee HAN ,  Min Seok NOH

    IPC: H04L5/00 ,  H04W72/04 ,  H04B7/06 ,  H04W76/27

    Abstract: The present invention relates to a wireless communication system. More particularly, the present invention relates to a method and to an apparatus for transmitting an SRS in a multi-antenna system. The method comprises the steps of: acquiring specific information for discriminating a first antenna group and a second antenna group from among a plurality of antennas, wherein said first antenna group includes one or more antennas which are set to a turned-on state to perform communication with a base station, and said second antenna group includes one or more other antennas which are set to a turned-off state; transmitting an SRS to the base station if a predetermined condition is satisfied, under the condition that the second antenna group is set to the turned-off state; and setting the second antenna group to a turned-off state after the transmission of the SRS.

    SIGNAL TRANSMISSION METHOD AND APPARATUS USING CODEBOOK IN WIRELESS COMMUNICATION SYSTEM SUPPORTING MULTIPLE ANTENNAS
    85.
    发明申请
    SIGNAL TRANSMISSION METHOD AND APPARATUS USING CODEBOOK IN WIRELESS COMMUNICATION SYSTEM SUPPORTING MULTIPLE ANTENNAS 审中-公开

    公开(公告)号：US20190140715A1

    公开(公告)日：2019-05-09

    申请号：US16221123

    申请日：2018-12-14

    Applicant: LG ELECTRONICS INC.

    Inventor： Hyun Soo KO ,  Jae Hoon CHUNG ,  Seung Hee HAN ,  Moon Il LEE

    IPC: H04B7/0456 ,  H04B7/06 ,  H04L25/03 ,  H04W72/04 ,  H04W72/02 ,  H04L27/26

    Abstract: The present invention relates to a method for transmitting, by a base station, a downlink signal using a plurality of transmission antennas comprises the steps of: applying a precoding matrix indicated by the PMI, received from a terminal, in a codebook to a plurality of layers, and transmitting the precoded signal to the terminal through a plurality of transmission antennas. Among precoding matrices included in the codebook, a precoding matrix for even number transmission layers can be a 2×2 matrix containing four matrices (W1s), the matrix (W1) having rows of a number of transmission antennas and columns of half the number of transmission layers, the first and second columns of the first row in the 2×2 matrix being multiplied by 1, the first column of the second row being multiplied by coefficient “a” of a phase, and the first column of the second row being multiplied by “−a”.

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