公开(公告)号：US20140219213A1

公开(公告)日：2014-08-07

申请号：US14246947

申请日：2014-04-07

Applicant: LG ELECTRONICS INC.

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

IPC: H04W72/04 ,  H04B7/04

CPC classification number: H04W72/042 ,  H04B7/04 ,  H04B7/0413 ,  H04W88/02 ,  H04W88/08

Abstract: A method and apparatus for transmitting a downlink signal in a multiple input multiple output (MIMO) wireless communication system is disclosed. A method for receiving a downlink signal from a base station to a user equipment in a multiple input multiple output (MIMO) system, which supports dual layer transmission based on first and second antenna ports, comprises receiving downlink control information (DCI) through a downlink control channel; and receiving downlink data through a downlink data channel, the downlink data including one or more of a first transport block and a second transport block, wherein the downlink control information includes a new data indicator (NDI) for each of the first and second transport blocks, and if the first transport block is disabled and the second transport block is enabled, the new data indicator for the first transport block indicates an antenna port through which the second transport block is received.

Abstract translation: 公开了一种用于在多输入多输出（MIMO）无线通信系统中发送下行链路信号的方法和装置。 一种用于在支持基于第一和第二天线端口的双层传输的多输入多输出（MIMO）系统中从基站向用户设备接收下行链路信号的方法包括通过下行链路接收下行链路控制信息（DCI） 控制通道; 并且通过下行链路数据信道接收下行链路数据，所述下行链路数据包括第一传输块和第二传输块中的一个或多个，其中所述下行链路控制信息包括用于所述第一和第二传输块中的每一个的新数据指示符（NDI） ，并且如果第一传输块被禁用并且第二传输块被使能，则用于第一传输块的新数据指示符指示接收第二传输块的天线端口。

公开(公告)号：US20140105147A1

公开(公告)日：2014-04-17

申请号：US14106239

申请日：2013-12-13

Applicant: LG ELECTRONICS INC.

Inventor： So Yeon KIM ,  Young YUN ,  Ki Jun KIM ,  Moon Il LEE ,  Hyun Soo KO ,  Jae Hoon CHUNG ,  Ji Ae SEOK ,  Seung Hyun KANG ,  Suk Hyon YOON ,  Joon Kui AHN

IPC: H04L5/00

CPC classification number: H04W72/042 ,  H04L1/0071 ,  H04L5/0007 ,  H04L5/0053 ,  H04W48/12

Abstract: A method for transmitting a downlink control channel in a mobile communication system and a method for mapping the control channel to physical resources using a block interleaver are provided. In order to transmit a downlink control channel in a mobile communication system, information bits are modulated to generate one or more modulation symbols according to a specific modulation scheme, the modulation symbols are interleaved using a block interleaver, and the interleaved modulated symbols are mapped to resource elements allocated for transmission of at least one control channel in a subframe, thereby transmitting the at least one control channel.

公开(公告)号：US20190165903A1

公开(公告)日：2019-05-30

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

CPC classification number: H04L5/005 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/0053 ,  H04L23/00 ,  H04W24/10 ,  H04W72/085

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：US20170310442A1

公开(公告)日：2017-10-26

申请号：US15637494

申请日：2017-06-29

Applicant: LG ELECTRONICS INC.

Inventor： Min Seok NOH ,  Jae Hoon CHUNG ,  Yeong Hyeon KWON ,  Hyun Soo KO ,  Seung Hee HAN ,  Moon Il LEE

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

CPC classification number: H04L5/0048 ,  H04B7/0613 ,  H04B7/0684 ,  H04J13/0074 ,  H04J13/16 ,  H04L5/0026 ,  H04L5/0051 ,  H04L25/022 ,  H04L25/0226 ,  H04L27/261 ,  H04L27/2613 ,  H04W72/042

Abstract: A method is provided for transmitting a demodulation reference signal (DMRS) by a user equipment (UE) in a wireless communication system. The UE receives a cyclic shift field in an uplink scheduling assignment from a base station, allocates a first cyclic shift value of a first DMRS for a first layer and a second cyclic shift value of a second DMRS for a second layer, based on the cyclic shift field, and transmits the first DMRS and the second DMRS to the base station.

公开(公告)号：US20170257197A1

公开(公告)日：2017-09-07

申请号：US15592479

申请日：2017-05-11

Applicant: LG ELECTRONICS INC.

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

IPC: H04L29/06 ,  H04L5/00

CPC classification number: H04L5/0007 ,  H04L5/0048

Abstract: A method for transmitting an aperiodic sounding reference signal (SRS) to a base station by a user equipment (UE) in a wireless communication system, the method includes receiving, from the base station, an uplink grant or a downlink grant, with an indicator indicating a transmission of the aperiodic SRS; and transmitting, to the base station, the aperiodic SRS in a first uplink subframe; wherein the first uplink subframe is a subframe firstly configured after a second uplink subframe for the aperiodic SRS, wherein, if the uplink grant is received, the second uplink subframe is a subframe in which an uplink data signal scheduled by the uplink grant is transmitted, wherein, if the downlink grant is received, the second uplink subframe is a subframe in which an uplink control signal corresponding to the downlink grant is transmitted.

公开(公告)号：US20170238309A1

公开(公告)日：2017-08-17

申请号：US15584807

申请日：2017-05-02

Applicant: LG ELECTRONICS INC.

Inventor： Seung Hee HAN ,  Jae Hoon CHUNG ,  Sung Ho MOON ,  Moon Il LEE

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

CPC classification number: H04W72/0413 ,  H04L1/0026 ,  H04L1/0031 ,  H04L1/0073 ,  H04L1/1671 ,  H04L1/1896 ,  H04L5/001 ,  H04L5/0019 ,  H04L5/0053 ,  H04L5/0055 ,  H04W72/0466

Abstract: The present invention provides a method and apparatus for transmitting uplink control information (UCI) by user equipment in a wireless communication. The user equipment performs channel coding on information bits of the UCI to generate encoding information bits; performs modulation on the thus generated encoding information bits to generate complex modulation symbols; spreads the complex modulation symbols block-wise to a plurality of single carrier-frequency division multiple access (SC-FDMA) symbols based on an orthogonal sequence; and transmits the spread complex modulation symbols to a base station.

公开(公告)号：US20170048042A1

公开(公告)日：2017-02-16

申请号：US15336003

申请日：2016-10-27

Applicant: LG ELECTRONICS INC.

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

IPC: H04L5/00 ,  H04W72/04

CPC classification number: H04L5/0048 ,  H04J11/0069 ,  H04L5/0007 ,  H04L5/0016 ,  H04L5/0023 ,  H04L5/0051 ,  H04L5/0053 ,  H04L5/0091 ,  H04L25/0226 ,  H04L27/2601 ,  H04L27/2602 ,  H04L27/2607 ,  H04L27/2613 ,  H04L27/2662 ,  H04W72/042 ,  H04W72/0446

Abstract: The present invention relates to a method for transmitting a data demodulation reference signal in a radio mobile communication system. The method comprises: a step for generating a sub-frame including the data demodulation reference signal, and a step for transmitting the generated sub-frame. The 1st and 2nd demodulation reference signal pattern groups include plural demodulation signal patterns orthogonal to each other, and are differentiated from each other with regard to time-frequency resources. In the data demodulation reference signal, demodulation reference signal patterns which are respectively orthogonal to each other M (M≦N) and N−M times are respectively included in the 1st and 2nd demodulation reference signal pattern groups if the rank is N.

Abstract translation: 本发明涉及在无线移动通信系统中发送数据解调参考信号的方法。 该方法包括：产生包括数据解调参考信号的子帧的步骤和用于发送所生成的子帧的步骤。 第一和第二解调参考信号模式组包括彼此正交的多个解调信号模式，并且相对于时间 - 频率资源彼此不同。 在数据解调参考信号中，如果秩为N，则分别彼此正交的M（M≤N）和N-M次的解调参考信号模式分别包括在第1和第2解调参考信号模式组中。

公开(公告)号：US20160233935A1

公开(公告)日：2016-08-11

申请号：US15133506

申请日：2016-04-20

Applicant: LG ELECTRONICS INC.

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

IPC: H04B7/04 ,  H04W72/02 ,  H04W72/04 ,  H04B7/06

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”。

公开(公告)号：US20160157224A1

公开(公告)日：2016-06-02

申请号：US15017446

申请日：2016-02-05

Applicant: LG ELECTRONICS INC.

Inventor： Seung Hee HAN ,  Jae Hoon CHUNG ,  Sung Ho MOON ,  Moon Il LEE

IPC: H04W72/04 ,  H04J1/00

CPC classification number: H04W72/0413 ,  H04B1/7103 ,  H04J1/00 ,  H04J11/005 ,  H04L5/001 ,  H04L5/0026 ,  H04L5/0048 ,  H04L5/0053 ,  H04L5/0069 ,  H04L27/2636 ,  H04W88/02

Abstract: The present invention relates to a wireless communication system. More specifically, the present invention relates to a method for transmitting control information through a PUCCH in a wireless communication system and an apparatus thereof, comprising the steps of: spreading modulation symbol sets to first slot, by using a first code; spreading modulation symbol sets to second slot, by using a second code, wherein the length of the second code is varied according to the number of SC-FDMA symbols for PUCCH transmission.

公开(公告)号：US20160021651A1

公开(公告)日：2016-01-21

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: H04W72/04 ,  H04W72/10 ,  H04B7/04 ,  H04L1/00

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.

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，更具体地，涉及在支持上行链路多天线发送的无线通信系统中提供用于上行链路传输的控制信息的方法和装置。 根据本发明的一个实施例的上行链路多天线传输调度方法包括以下步骤：创建包含用于第一和第二传输块的相应调制和编码方案（MCS）信息的下行链路控制信息（DCI）; 发送所述创建的下行链路控制信息，所述下行链路控制信息通过下行链路控制信道调度来自第一和第二传输块中的一个或多个的上行链路传输; 并且如果所述第一或第二传输块中的一个传输块的MCS信息具有预定值，则通过上行链路数据信道接收根据所述下行链路控制信息调度的上行链路传输，其中一个传输块可以被禁用。