公开(公告)号：US20150173057A1

公开(公告)日：2015-06-18

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 ,  H04L1/06 ,  H04L5/00

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.

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：US09036512B2

公开(公告)日：2015-05-19

申请号：US14450029

申请日：2014-08-01

Applicant: LG Electronics Inc.

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

IPC: H04J3/00 ,  H04W72/04 ,  H04L1/16 ,  H04L1/18 ,  H04B7/04 ,  H04L5/00 ,  H04L5/14

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).

Abstract translation: 无线通信系统技术领域本发明涉及一种无线通信系统，并且提供了一种用于支持多天线传输技术的有效的控制信息传输方法和装置。 提供了一种用于发送与上行链路多码字传输相关的下行链路混合自动重传请求（HARQ）信息的方法，包括接收所述上行链路多码字传输，基于所述多个码字中的每一个的解码结果生成与所述多个码字中的每一个相关的HARQ信息 多个码字，调制HARQ信息，以及经由一个或多个物理HARQ指示符信道（PHICH）发送经调制的HARQ信息。

公开(公告)号：US09031004B2

公开(公告)日：2015-05-12

申请号：US14255588

申请日：2014-04-17

Applicant: LG Electronics Inc.

Inventor： Seung Hee Han ,  Sung Ho Moon ,  Hyun Soo Ko ,  Jae Hoon Chung ,  Moon Il Lee ,  Yeong Hyeon Kwon

IPC: H04W72/00 ,  H04W72/04 ,  H04L1/00 ,  H04L1/16 ,  H04L1/18 ,  H04L5/00 ,  H04J13/16

CPC classification number: H04W72/0413 ,  H04J13/16 ,  H04J2013/165 ,  H04L1/0031 ,  H04L1/0073 ,  H04L1/1607 ,  H04L1/1671 ,  H04L1/1861 ,  H04L5/0007 ,  H04L5/0026 ,  H04L5/003 ,  H04L5/0055 ,  H04L5/0094 ,  H04W72/042 ,  H04W72/0453

Abstract: According to one embodiment, a method for transmitting, by a user equipment (UE), information in a wireless communication system includes: determining a first information sequence based on a first cyclically shifted base sequence and a first orthogonal sequence by using a first physical uplink control channel (PUCCH) resource for a first antenna, wherein the first PUCCH resource is obtained based on a channel control element (CCE) index related to a physical downlink control channel (PDCCH) and a parameter configured by a higher layer; determining a second information sequence based on a second cyclically shifted base sequence and a second orthogonal sequence by using a second PUCCH resource for a second antenna, wherein the second PUCCH resource is obtained by adding an offset to the first PUCCH resource; transmitting the first information sequence via the first antenna; and transmitting the second information sequence via the second antenna.

Abstract translation: 根据一个实施例，一种用于由用户设备（UE）发送无线通信系统中的信息的方法包括：通过使用第一物理上行链路来确定基于第一循环移位的基本序列和第一正交序列的第一信息序列 控制信道（PUCCH）资源，其中，基于与物理下行链路控制信道（PDCCH）相关的信道控制元素（CCE）索引和由较高层配置的参数来获得第一PUCCH资源; 通过使用用于第二天线的第二PUCCH资源来确定基于第二循环移位的基本序列和第二正交序列的第二信息序列，其中通过将偏移量加到所述第一PUCCH资源来获得所述第二PUCCH资源; 经由所述第一天线发射所述第一信息序列; 以及经由所述第二天线发送所述第二信息序列。

公开(公告)号：US20150103796A1

公开(公告)日：2015-04-16

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 II Lee

IPC: H04L5/00

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：US09001775B2

公开(公告)日：2015-04-07

申请号：US14209901

申请日：2014-03-13

Applicant: LG Electronics Inc.

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

IPC: H04W4/00 ,  H04K1/10 ,  H04L27/28 ,  H04J13/00 ,  H04B7/06 ,  H04L5/00 ,  H04L27/26

CPC classification number: H04L5/0051 ,  H04B7/0613 ,  H04B7/0684 ,  H04J13/0074 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0026 ,  H04L5/0048 ,  H04L25/0226 ,  H04L27/2613 ,  H04W72/0413 ,  H04W72/042 ,  H04W88/02

Abstract: Provided are a method and apparatus for transmitting a reference signal in a multi-antenna system. A terminal generates a plurality of reference signal sequences to which cyclic shift values different from each other are allocated, generates an orthogonal frequency division multiplexing (OFDM) symbol to which the plurality of reference signal sequences are mapped, and transmits the OFDM symbol to a base station through a plurality of antennas. The respective cyclic shift values allocated to the respective reference signal sequences are determined on the basis of a parameter n indicated by a cyclic shift field transmitted from a physical downlink control channel (PDCCH).

Abstract translation: 提供了一种用于在多天线系统中发送参考信号的方法和装置。 终端产生分配了不同的循环移位值的多个参考信号序列，生成多个参考信号序列映射到的正交频分复用（OFDM）符号，并将OFDM符号发送到基站 站通过多个天线。 基于从物理下行链路控制信道（PDCCH）发送的循环移位字段所指示的参数n，确定分配给各个参考信号序列的各个循环移位值。

公开(公告)号：US08917791B2

公开(公告)日：2014-12-23

申请号：US13646460

申请日：2012-10-05

Applicant: LG Electronics, Inc.

Inventor： Moon Il Lee ,  Hyun Soo Ko ,  Bin Chul Ihm ,  Wook Bong Lee ,  Jae Hoon Chung ,  Jin Young Chun

IPC: H04B7/02 ,  H04L1/02 ,  H04W72/04 ,  H04B7/04 ,  H04B7/06 ,  H04L1/00 ,  H04L1/06 ,  H04L5/00 ,  H04L25/06 ,  H04L1/16

CPC classification number: H04B7/0456 ,  H04B7/0417 ,  H04B7/0634 ,  H04B7/0636 ,  H04B7/0639 ,  H04B7/0665 ,  H04L1/0026 ,  H04L1/0028 ,  H04L1/0072 ,  H04L1/0618 ,  H04L1/1664 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0053 ,  H04L25/06 ,  H04L27/2607 ,  H04W72/0413 ,  H04W72/042

Abstract: A method for efficiently transmitting and receiving downlink control information is disclosed. The method includes, at a base station, receiving feedback information including a precoding matrix index (PMI) from a user equipment (UE) and transmitting precoding information having a predetermined bit number according to the number of antenna ports and a transmission mode of the base station. The precoding information of a predetermined transmission mode in the precoding information includes confirmation information indicating that the base station uses a PMI which is recently received from the UE.

Abstract translation: 公开了一种高效地发送和接收下行链路控制信息的方法。 该方法包括：在基站处，从用户设备（UE）接收包括预编码矩阵索引（PMI）的反馈信息，并根据天线端口的数量和基站的传输模式发送具有预定比特数的预编码信息 站。 预编码信息中的预定传输模式的预编码信息包括指示基站使用最近从UE接收的PMI的确认信息。

公开(公告)号：US08830967B2

公开(公告)日：2014-09-09

申请号：US13838545

申请日：2013-03-15

Applicant: LG Electronics Inc.

Inventor： Moon Il Lee ,  Bin Chul Ihm ,  Jin Young Chun ,  Sung Ho Park ,  Hyun Soo Ko ,  Wook Bong Lee

IPC: H04B7/216

CPC classification number: H04L27/2647 ,  H04B1/16 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0017 ,  H04L1/0029 ,  H04L1/0073 ,  H04L5/0058 ,  H04L12/18 ,  H04L25/0202 ,  H04L27/2601 ,  H04W72/0406

Abstract: A method for performing an adaptive modulation and coding scheme in a mobile communication system. Including receiving a signal and selecting a modulation and coding scheme (MCS) level from an MCS subset of an MCS set considering information derived from the signal, by a mobile station. The MCS subset is selected in accordance with a service type related to the mobile station and the MCS subset is configured with one or more MCS levels, the MCS set is represented by 5 bits and the MCS subset is represented by 4 bits to indicate MCS value, respectively, and the 4 bits of the MCS subset is a part of the 5 bits of the MCS set.

Abstract translation: 一种用于在移动通信系统中执行自适应调制和编码方案的方法。 包括从移动台接收信号并从考虑从信号导出的信息的MCS集合的MCS集合中选择调制和编码方案（MCS）级别。 根据与移动站相关的服务类型选择MCS子集，并且MCS子集配置有一个或多个MCS级别，MCS集合由5比特表示，并且MCS子集由4比特表示以表示MCS值 ，MCS子集的4位是MCS集合的5位的一部分。

公开(公告)号：US10652061B2

公开(公告)日：2020-05-12

申请号：US15436433

申请日：2017-02-17

Applicant: LG Electronics Inc.

Inventor： Seung Hee Han ,  Moon Il Lee ,  Yeong Hyeon Kwon ,  Jin Sam Kwak ,  Hyun Woo Lee ,  Dong Cheol Kim ,  Jae Hoon Chung ,  Sung Ho Moon ,  Min Seok Noh ,  Hyun Soo Ko

IPC: H04W4/00 ,  H04L27/26 ,  H04B7/06 ,  H04L1/18 ,  H04L1/16 ,  H04B7/0413 ,  H04W72/04 ,  H04W72/08 ,  H04W72/12 ,  H04L1/00 ,  H04L5/00

Abstract: A method and an apparatus of transmitting information in a wireless communication system are provided. The method includes transmitting information based on a first resource index through a first antennae and transmitting the information based on a second resource index through a second antennae.

公开(公告)号：US10567053B2

公开(公告)日：2020-02-18

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

公开(公告)号：US10419184B2

公开(公告)日：2019-09-17

申请号：US16247418

申请日：2019-01-14

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 ,  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.