公开(公告)号：US20170005759A1

公开(公告)日：2017-01-05

申请号：US15264246

申请日：2016-09-13

Applicant: LG Electronics Inc.

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

IPC: H04L1/18 ,  H04L25/03 ,  H04L5/00 ,  H04B7/04 ,  H04W28/02

CPC classification number: H04L1/1893 ,  H04B7/04 ,  H04B7/0413 ,  H04L1/0041 ,  H04L1/06 ,  H04L1/0625 ,  H04L1/0631 ,  H04L5/0026 ,  H04L25/03343 ,  H04L25/03929 ,  H04L2025/03426 ,  H04W28/0268 ,  H04W72/046

Abstract: A method of data transmission includes determining the number of layers, generating mapping symbols by mapping modulation symbols for a first codeword and modulation symbols for a second codeword to each layer, and transmitting the mapping symbols through a plurality of antennas. At least one of the first codeword and the second codeword is mapped to at least 3 layers and the number of layers is larger than 3.

Abstract translation: 一种数据传输方法包括确定层数，通过将用于第一码字的调制码元映射到第二码字的调制符号并通过多个天线发送映射符号来产生映射符号。 第一码字和第二码字中的至少一个映射到至少3层，层数大于3。

公开(公告)号：US09510323B2

公开(公告)日：2016-11-29

申请号：US14877813

申请日：2015-10-07

Applicant: LG ELECTRONICS INC.

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

IPC: H04H20/71 ,  H04W72/00 ,  H04L5/00 ,  H04W28/06

CPC classification number: H04W72/005 ,  H04L5/0007 ,  H04L5/005 ,  H04L5/0051 ,  H04W28/06

Abstract: An apparatus for transmitting and receiving data in a wireless communication system method thereof are disclosed. In a terminal of a wireless communication system, the present invention includes receiving a physical downlink control channel (hereinafter abbreviated PDCCH), receiving a physical downlink shared channel (hereinafter abbreviated PDSCH), and demodulating the PDSCH by interpreting the PDCCH according to a type of a subframe including the PDCCH and the PDSCH.

公开(公告)号：US09503236B2

公开(公告)日：2016-11-22

申请号：US14543804

申请日：2014-11-17

Applicant: LG ELECTRONICS INC.

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

IPC: H04W4/00 ,  H04L5/00 ,  H04W72/04 ,  H04B7/04 ,  H04J13/00 ,  H04B7/06 ,  H04B7/216 ,  H04W72/08 ,  H04L25/02 ,  H04L27/26 ,  H04W52/32 ,  H04W72/02

CPC classification number: H04L5/0048 ,  H04B7/0413 ,  H04B7/0626 ,  H04B7/216 ,  H04J13/004 ,  H04L5/0016 ,  H04L5/0023 ,  H04L5/0051 ,  H04L5/0053 ,  H04L5/0057 ,  H04L5/0094 ,  H04L25/0224 ,  H04L27/2601 ,  H04L27/2613 ,  H04W52/325 ,  H04W72/02 ,  H04W72/04 ,  H04W72/085

Abstract: A method for transmitting reference signals for eight or fewer antenna ports includes mapping a portion of common reference signals (CRSs) for four or fewer antenna ports into a downlink subframe including 1st slot and 2nd slot with a normal cyclic prefix configuration; mapping channel status information reference signals (CSI-RSs) for eight or fewer antenna ports into the downlink subframe according to a preset pattern; and transmitting the downlink subframe into which the CRSs and the CSI-RSs are mapped, wherein the preset pattern defines the CSI-RSs for eight or fewer antenna ports to be mapped onto two OFDM symbols of the data region in the downlink subframe, with the two OFDM symbols being spaced apart by one OFDM symbol, and wherein the portion of the CRSs for four or fewer antenna ports is limited to the CRSs for two or fewer antenna ports.

Abstract translation: 用于发送八个或更少天线端口的参考信号的方法包括：将用于四个或更少天线端口的公共参考信号（CRS）的一部分映射到具有正常循环前缀配置的包括第一时隙和第二时隙的下行子帧中; 根据预设模式将用于八个或更少天线端口的信道状态信息参考信号（CSI-RS）映射到下行链路子帧中; 并发送CRS和CSI-RS映射到的下行链路子帧，其中预设模式定义要映射到下行链路子帧中的数据区域的两个OFDM符号上的八个或更少的天线端口的CSI-RS，其中 两个OFDM符号被一个OFDM符号间隔开，并且其中用于四个或更少天线端口的CRS的部分限于两个或更少天线端口的CRS。

公开(公告)号：US09480024B2

公开(公告)日：2016-10-25

申请号：US14607774

申请日：2015-01-28

Applicant: LG ELECTRONICS INC.

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

IPC: H04W52/14 ,  H04B7/06 ,  H04W52/36 ,  H04W72/04 ,  H04W52/32 ,  H04W52/42

CPC classification number: H04W72/02 ,  H04B7/0404 ,  H04B7/0691 ,  H04W52/146 ,  H04W52/242 ,  H04W52/325 ,  H04W52/346 ,  H04W52/367 ,  H04W52/42 ,  H04W72/0413 ,  H04W72/0473

Abstract: A user equipment in wireless communication system is provided. The user equipment includes an antenna unit including a plurality of antennas, a control unit for grouping the plurality of antennas into a predetermined number of antenna groups and controlling separately transmission power of each of the predetermined number of antenna groups, and a transmitting unit, connected to the control unit, for transmitting at least one of data and control information to a base station via at least one of the predetermined number of antenna groups.

公开(公告)号：US09462590B2

公开(公告)日：2016-10-04

申请号：US14619887

申请日：2015-02-11

Applicant: LG Electronics Inc.

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

IPC: H04W72/04 ,  H04L25/03 ,  H04L1/06 ,  H04L1/18 ,  H04B7/04 ,  H04L5/00 ,  H04L1/00

CPC classification number: H04L1/1893 ,  H04B7/04 ,  H04B7/0413 ,  H04L1/0041 ,  H04L1/06 ,  H04L1/0625 ,  H04L1/0631 ,  H04L5/0026 ,  H04L25/03343 ,  H04L25/03929 ,  H04L2025/03426 ,  H04W28/0268 ,  H04W72/046

Abstract: A method of data transmission includes determining the number of layers, generating mapping symbols by mapping modulation symbols for a first codeword and modulation symbols for a second codeword to each layer, and transmitting the mapping symbols through a plurality of antennas. At least one of the first codeword and the second codeword is mapped to at least 3 layers and the number of layers is larger than 3.

公开(公告)号：US09456440B2

公开(公告)日：2016-09-27

申请号：US14852913

申请日：2015-09-14

Applicant: LG ELECTRONICS INC.

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

IPC: H04W48/08 ,  H04W72/04 ,  H04L5/00 ,  H04B7/04 ,  H04L1/00 ,  H04W72/10 ,  H04W72/12 ,  H04W88/02 ,  H04W88/08

CPC classification number: H04W72/0413 ,  H04B7/04 ,  H04B7/0456 ,  H04L1/0003 ,  H04L5/0053 ,  H04W48/08 ,  H04W72/0406 ,  H04W72/0446 ,  H04W72/10 ,  H04W72/12 ,  H04W88/02 ,  H04W88/08

Abstract: The present invention relates to a wireless communication system, and more particularly, a method and device for providing control information for uplink transmission in a wireless communication system supporting uplink multi-antenna transmission. An uplink multi-antenna transmission scheduling method, according to one embodiment of the present invention, comprises the following steps: creating downlink control information (DCI) containing respective modulation and coding scheme (MCS) information for a first and a second transport block; transmitting said created downlink control information, which schedules uplink transmissions from one or more of first and second transport blocks through a downlink control channel; and receiving uplink transmission, scheduled according to the downlink control information, through an uplink data channel, wherein one transport block can be disabled, if MCS information for one transport block among of the first or the second transport blocks has a predetermined value.

公开(公告)号：US09455801B2

公开(公告)日：2016-09-27

申请号：US14467351

申请日：2014-08-25

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: The present invention relates to a method for transmitting control information regarding uplink multiple antenna transmission may comprise the steps of: transmitting DCI for scheduling the uplink transmission of a plurality of data blocks through a PDCCH; receiving the plurality of data blocks scheduled by the DCI; transmitting information which indicates positive acknowledgement or negative acknowledgement to each of the plurality of received data blocks through the PHICH; and receiving retransmission for the negative acknowledged data blocks. When the number of the negative-acknowledged data blocks is not equal to the number data blocks indicated in the PDCCH, a pre-coding matrix, which is for the number of transmission layers equivalent to that of layers corresponding to the negative-acknowledged data blocks, may be used for retransmission.

Abstract translation: 本发明涉及一种用于发送关于上行链路多天线传输的控制信息的方法，可以包括以下步骤：通过PDCCH发送用于调度多个数据块的上行链路传输的DCI; 接收由DCI调度的多个数据块; 通过PHICH向多个接收数据块中的每一个发送指示肯定确认或否定确认的信息; 并且接收用于否定的确认数据块的重传。 当否定确认数据块的数量不等于PDCCH中指示的数字数据块时，预编码矩阵用于与对应于否定确认数据块的层数相当的传输层数 ，可以用于重传。

公开(公告)号：US09444596B2

公开(公告)日：2016-09-13

申请号：US14575505

申请日：2014-12-18

Applicant: LG Electronics Inc.

Inventor： Jae Hoon Chung ,  So Yeon Kim ,  Yeong Hyeon Kwon ,  Hyun Soo Ko ,  Seung Hee Han ,  Moon Il Lee

IPC: H04W4/00 ,  H04L5/00 ,  H04W72/04 ,  H04L25/02 ,  H04L27/26 ,  H04L1/06 ,  H04L1/18 ,  H04W74/00

CPC classification number: H04L5/0048 ,  H04L1/06 ,  H04L1/1812 ,  H04L1/1861 ,  H04L5/0026 ,  H04L5/0051 ,  H04L5/0055 ,  H04L25/0226 ,  H04L27/2613 ,  H04W72/042 ,  H04W74/004

Abstract: The present invention relates to a method for generating an uplink reference signal in a system supporting plural uplink-access transmission modes. The method comprises: a step for transmitting the reference signal configuration information about the configuration of a reference signal from a base station to a user device through an uplink grant PDCCH (Physical Downlink Control Channel), and a step for receiving from the user device a sub-frame including the reference signal that is generated based on the reference signal configuration information. The reference signal configuration information is prepared for plural uplink access transmission modes and includes a cyclic shift value for the sequence of the reference signal. The reference signal is supposed to be transmitted to an uplink, and the user device is set up to be operated in the uplink-access transmission mode that corresponding to the reference signal configuration information.

Abstract translation: 本发明涉及在支持多个上行链路接入传输模式的系统中生成上行链路参考信号的方法。 该方法包括：通过上行链路授权PDCCH（物理下行链路控制信道）从基站向参考信号的配置发送参考信号配置信息的步骤，以及从用户设备接收的步骤 子帧包括基于参考信号配置信息生成的参考信号。 为多个上行接入传输模式准备参考信号配置信息，并且包括用于参考信号序列的循环移位值。 假设参考信号被发送到上行链路，并且用户设备被设置为以对应于参考信号配置信息的上行链路接入传输模式操作。

公开(公告)号：US09439152B2

公开(公告)日：2016-09-06

申请号：US14607774

申请日：2015-01-28

Applicant: LG ELECTRONICS INC.

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

IPC: H04W52/14 ,  H04B7/06 ,  H04W52/36 ,  H04W72/04 ,  H04W52/32 ,  H04W52/42

Abstract: A user equipment in wireless communication system is provided. The user equipment includes an antenna unit including a plurality of antennas, a control unit for grouping the plurality of antennas into a predetermined number of antenna groups and controlling separately transmission power of each of the predetermined number of antenna groups, and a transmitting unit, connected to the control unit, for transmitting at least one of data and control information to a base station via at least one of the predetermined number of antenna groups.

公开(公告)号：US09363000B2

公开(公告)日：2016-06-07

申请号：US14310174

申请日：2014-06-20

Applicant: LG ELECTRONICS INC.

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

IPC: H04L27/00 ,  H04B7/04 ,  H04B7/06 ,  H04L25/03 ,  H04L27/26 ,  H04W72/02

CPC classification number: H04B7/0473 ,  H04B7/0456 ,  H04B7/0465 ,  H04B7/0469 ,  H04B7/0478 ,  H04B7/0639 ,  H04B7/0669 ,  H04L25/03898 ,  H04L25/03949 ,  H04L27/2602 ,  H04L27/2633 ,  H04L27/2636 ,  H04W72/02 ,  H04W72/0446 ,  H04W88/02 ,  H04W88/08

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”.

Abstract translation: 本发明涉及一种用于由基站发送使用多个发送天线的下行链路信号的方法，包括以下步骤：将从终端接收的PMI所指示的预编码矩阵应用于码本中的多个 层，并且通过多个发送天线将预编码信号发送到终端。 在码本中包含的预编码矩阵中，用于偶数传输层的预编码矩阵可以是包含四个矩阵（W1）的2×2矩阵，具有多个发送天线的行的矩阵（W1）和数量为 传输层，2×2矩阵中第一行的第一列和第二列乘以1，第二行的第一列乘以相位的系数“a”，第二行的第一列为 乘以“-a”。