公开(公告)号：US20150207582A1

公开(公告)日：2015-07-23

申请号：US14672421

申请日：2015-03-30

Applicant: LG ELECTRONICS INC.

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

IPC: H04J13/00 ,  H04L27/26 ,  H04W72/04 ,  H04L5/00 ,  H04J13/12

CPC classification number: H04J13/0048 ,  H04J13/0003 ,  H04J13/12 ,  H04L5/0007 ,  H04L5/0016 ,  H04L5/0048 ,  H04L5/0051 ,  H04L5/0092 ,  H04L27/2627 ,  H04W72/042 ,  H04W72/0466

Abstract: A method and apparatus for multiplexing reference signals in a predetermined number of Code Division Multiplexing (CDM) groups to balance power across Orthogonal Frequency Division Multiplexing (OFDM) symbols are disclosed. In a wireless communication system, orthogonal sequences used for spreading the reference signals are allocated such that the order of orthogonal sequences allocated to a subcarrier of one CDM group has a predetermined offset with respect to the order of orthogonal sequences allocated to a subcarrier of another CDM group, adjacent to the subcarrier of the one CDM group.

Abstract translation: 公开了一种在预定数量的码分多路复用（CDM）组中复用参考信号以平衡正交频分复用（OFDM）符号的功率的方法和装置。 在无线通信系统中，分配用于扩展参考信号的正交序列，使得分配给一个CDM组的子载波的正交序列的顺序相对于分配给另一个CDM的副载波的正交序列的顺序具有预定的偏移量 组，与一个CDM组的子载波相邻。

公开(公告)号：US20150207550A1

公开(公告)日：2015-07-23

申请号：US14676700

申请日：2015-04-01

Applicant: LG ELECTRONICS INC.

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

IPC: H04B7/04

CPC classification number: H04B7/0456 ,  H04L1/0041 ,  H04L1/0075 ,  H04L1/06 ,  H04L5/0051 ,  H04L25/03343 ,  H04W88/02 ,  H04W88/08

Abstract: A method and apparatus for transmitting a signal in a wireless communication system are provided. The method includes: generating R spatial stream each of which is generated on the basis of an information stream and reference signal; generating N transmit streams on the basis of the R spatial streams and a precoding matrix (where R

Abstract translation: 提供了一种在无线通信系统中发送信号的方法和装置。 该方法包括：产生每个都基于信息流和参考信号生成的R空间流; 根据R空间流和预编码矩阵（其中R

公开(公告)号：US20150163025A1

公开(公告)日：2015-06-11

申请号：US14626744

申请日：2015-02-19

Applicant: LG Electronics, Inc.

Inventor： Seung Hee Han ,  Moon Il LEE ,  Yeong Hyeon KWON ,  Hyun Soo KO ,  Ja Ho KOO ,  Dong Cheol KIM ,  Jae Hoon CHUNG ,  Sung Ho MOON ,  Jin Sam KWAK ,  Min Seok NOH ,  Hyun Woo LEE

IPC: H04L5/00 ,  H04L1/00 ,  H04L27/26

CPC classification number: H04L5/0023 ,  H04B7/04 ,  H04B7/06 ,  H04B7/0639 ,  H04B7/0669 ,  H04J13/0062 ,  H04L1/0026 ,  H04L1/0057 ,  H04L1/0606 ,  H04L1/0668 ,  H04L1/1607 ,  H04L5/0044 ,  H04L5/0053 ,  H04L5/0055 ,  H04L5/0057 ,  H04L5/0091 ,  H04L27/2601 ,  H04L27/2602 ,  H04L27/2626 ,  H04L27/2627 ,  H04L27/34

Abstract: A method of transmitting, by a transmitter, information in a wireless communication system, the method includes generating first and second symbols; generating first and second transmit vectors on the basis of an Alamouti code from the first and second symbols; and transmitting the first transmit vector through a first antenna and transmitting the second transmit vector through a second antenna. The first transmit vector consists of a first transmit symbol and a second transmit symbol. The second transmit vector consists of a third transmit symbol and a fourth transmit symbol. The first, second, third, and fourth transmit symbols are transmitted based on first and second resource indexes. The first symbol is a first modulation symbol for first information, and the second symbol is a second modulation symbol for second information.

Abstract translation: 一种通过发射机发送无线通信系统中的信息的方法，所述方法包括产生第一和第二符号; 基于来自所述第一和第二符号的Alamouti码产生第一和第二发送向量; 以及通过第一天线发送所述第一发射矢量，并通过第二天线发射所述第二发射矢量。 第一发射矢量由第一发射符号和第二发射符号组成。 第二发送向量包括第三发送符号和第四发送符号。 基于第一和第二资源索引来发送第一，第二，第三和第四发送符号。 第一符号是用于第一信息的第一调制符号，第二符号是用于第二信息的第二调制符号。

公开(公告)号：US20150139346A1

公开(公告)日：2015-05-21

申请号：US14540714

申请日：2014-11-13

Applicant: LG ELECTRONICS INC.

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

IPC: H04B7/04 ,  H04B7/06

CPC classification number: H04B7/0417 ,  H04B7/0456 ,  H04B7/0478 ,  H04B7/0486 ,  H04B7/0626 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0639 ,  H04B7/065 ,  H04B7/0658 ,  H04L1/0026 ,  H04L1/0029 ,  H04L1/0031 ,  H04L1/1861 ,  H04L5/0007 ,  H04L25/03343 ,  H04L25/03898 ,  H04L25/03949 ,  H04W88/02 ,  H04W88/08

Abstract: The present description relates to a wireless communication system, and more particularly, discloses a method and a device for efficient feedback in a wireless communication system supporting multiple antennas. According to one embodiment of the present invention, the method for transmitting channel status information on a downlink transmission through an uplink, in the wireless communication system, comprises the following steps: transmitting a rank indicator (RI) in a first subframe; transmitting a first precoding matrix index (PMI) in a second subframe; and transmitting a second PMI and channel quality information (CQI) in a third subframe, wherein the precoding matrix to be applied to the transmission of the downlink can be determined by a combination of the first and second PMIs.

Abstract translation: 本说明书涉及无线通信系统，更具体地说，涉及一种在支持多个天线的无线通信系统中有效反馈的方法和装置。 根据本发明的一个实施例，在无线通信系统中，通过上行链路传输下行链路传输信道状态信息的方法包括以下步骤：在第一子帧中发送秩指示符（RI）; 在第二子帧中发送第一预编码矩阵索引（PMI）; 以及在第三子帧中发送第二PMI和信道质量信息（CQI），其中应用于下行链路传输的预编码矩阵可以通过第一和第二PMI的组合来确定。

公开(公告)号：US20150131598A1

公开(公告)日：2015-05-14

申请号：US14600840

申请日：2015-01-20

Applicant: LG ELECTRONICS INC.

Inventor： Seung Hee HAN ,  Jin Young CHUN ,  Wook Bong LEE ,  Min Seok NOH ,  Jin Sam KWAK ,  Yeong Hyeon KWON ,  Hyun Woo LEE ,  Jin Soo CHOI ,  Dong Cheol KIM ,  Sung Ho MOON ,  Bin Chul IHM ,  Moon Il LEE

IPC: H04W72/04

CPC classification number: H04W72/042 ,  H04J11/0069 ,  H04L27/2614 ,  H04W72/0413 ,  H04W72/0453 ,  H04W74/002 ,  H04W80/02 ,  H04W88/02 ,  H04W88/08

Abstract: A method for transmitting, by a base station, signals in a communication system. Control information for a subsidiary carrier band is transmitted to a mobile station via a primary carrier band. Data is transmitted to the mobile station via the subsidiary carrier band based on the control information and via the primary carrier band. Furthermore, the primary carrier band is a carrier frequency band which the mobile station initially attempts to access or via which information of a carrier aggregation configuration is transmitted. Additionally, the control information includes a logical index assigned to the subsidiary carrier band for the mobile station and a physical index of a frequency allocation band used as the subsidiary carrier band. The physical index corresponds to one of plural absolute frequency band indexes assigned to frequency allocation bands available in the communication system.

Abstract translation: 一种用于由基站在通信系统中发送信号的方法。 辅助载波频带的控制信息通过主载波频带发送到移动台。 基于控制信息，经由主载波，经由辅助载波频带将数据发送到移动台。 此外，主载波频带是移动台最初尝试接入或通过载波聚合配置的信息被发送的载波频带。 此外，控制信息包括分配给移动台的辅助载波频带的逻辑索引和用作辅助载波频带的频率分配频带的物理索引。 物理指标对应于分配给通信系统中可用的频率分配频带的多个绝对频带索引之一。

公开(公告)号：US20150085742A1

公开(公告)日：2015-03-26

申请号：US14555263

申请日：2014-11-26

Applicant: LG ELECTRONICS INC.

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

IPC: H04B7/155 ,  H04L5/00

CPC classification number: H04L5/0048 ,  H04B7/155 ,  H04B7/15557 ,  H04L27/26 ,  H04W52/146 ,  H04W52/325 ,  H04W52/58 ,  H04W84/047 ,  H04W92/12

Abstract: A method and a base station are described for transmitting a signal. The base station transmits control information to a relay node through a relay-physical downlink control channel (R-PDCCH), and transmits a data to the relay node through a relay-physical downlink shared channel (R-PDSCH). When a number of transmission layers of the R-PDSCH is 2 or more than 2, reference signals, among a plurality of reference signals, transmitted by a specific one of a plurality of antenna ports are used, in the relay node, for a demodulation of the control information.

Abstract translation: 描述了用于发送信号的方法和基站。 基站通过中继物理下行链路控制信道（R-PDCCH）向中继节点发送控制信息，并通过中继物理下行链路共享信道（R-PDSCH）向中继节点发送数据。 当R-PDSCH的多个传输层为2或2以上时，在多个参考信号中，由多个天线端口中的特定一个发送的参考信号在中继节点中用于解调 的控制信息。

公开(公告)号：US20150049718A1

公开(公告)日：2015-02-19

申请号：US14489123

申请日：2014-09-17

Applicant: LG ELECTRONICS INC.

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

IPC: H04L5/00 ,  H04J13/00 ,  H04L27/26

CPC classification number: H04L5/0053 ,  H04J11/005 ,  H04J13/004 ,  H04J13/0062 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/0055 ,  H04L5/0057 ,  H04L27/2636 ,  H04L27/2697

Abstract: A method for transmitting control information via a PUCCH in a wireless communication system and an apparatus for performing the method are provided, the method including joint-coding a plurality of pieces of control information to obtain a single code word; obtaining a first modulated symbol sequence from the single code word; obtaining a plurality of second modulated symbol sequences corresponding to each slot in the PUCCH from the first modulated symbol sequence; cyclically shifting the plurality of second modulated symbol sequences in a time domain to obtain a plurality of third modulated symbol sequences; performing a Discrete Fourier Transform (DFT) precoding process on the plurality of third modulated symbol sequences to obtain a plurality of complex symbol sequences in a frequency domain; and transmitting the plurality of complex symbol sequences via the PUCCH.

Abstract translation: 提供了一种用于在无线通信系统中通过PUCCH发送控制信息的方法和用于执行该方法的装置，该方法包括对多条控制信息进行联合编码以获得单个码字; 从单个码字获得第一调制符号序列; 从所述第一调制符号序列获得与所述PUCCH中的每个时隙对应的多个第二调制符号序列; 在时域中循环移位多个第二调制符号序列以获得多个第三调制符号序列; 对所述多个第三调制符号序列执行离散傅立叶变换（DFT）预编码处理以获得频域中的多个复符号序列; 以及经由所述PUCCH发送所述多个复符号序列。

公开(公告)号：US20150043513A1

公开(公告)日：2015-02-12

申请号：US14524833

申请日：2014-10-27

Applicant: LG ELECTRONICS INC.

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

IPC: H04L5/00

CPC classification number: H04L5/0048 ,  H04B7/0613 ,  H04L5/0023 ,  H04L27/2605 ,  H04L27/2613 ,  H04L27/2633 ,  H04L27/2636 ,  H04L27/2637 ,  H04W72/042 ,  H04W72/0446 ,  H04W88/06

Abstract: A method for transmitting, by a user equipment (UE), a demodulation reference signal (DMRS) for a physical uplink shared channel (PUSCH) in a wireless communication system, can include generating a plurality of P DMRS sequences associated with a plurality of P layers respectively, wherein a plurality of P cyclic shifts are allocated to the P DMRS sequences respectively, mapping the plurality of P DMRS sequences to resource elements (REs), and transmitting the plurality of P DMRS sequences to a base station, wherein the plurality of P cyclic shifts are determined based on first and second values, which are indicated by a cyclic shift field in downlink control information (DCI), received through a physical downlink control channel (PDCCH).

Abstract translation: 一种用于在无线通信系统中由用户设备（UE）发送用于物理上行链路共享信道（PUSCH）的解调参考信号（DMRS）的方法可以包括生成与多个P相关联的多个P DMRS序列 层，其中多个P循环移位分别分配给P DMRS序列，将多个P DMRS序列映射到资源元素（RE），并将多个P DMRS序列发送到基站，其中多个 基于通过物理下行链路控制信道（PDCCH）接收的下行链路控制信息（DCI）中的循环移位字段指示的第一和第二值来确定P循环移位。

公开(公告)号：US20150010107A1

公开(公告)日：2015-01-08

申请号：US14495472

申请日：2014-09-24

Applicant: LG Electronics Inc.

Inventor： Seung Hee HAN ,  Moon Il LEE ,  Yeong Hyeon KWON ,  Hyun Soo KO ,  Ja Ho KOO ,  Dong Cheol KIM ,  Jae Hoon CHUNG ,  Sung Ho MOON ,  Jin Sam KWAK ,  Min Seok NOH ,  Hyun Woo LEE

IPC: H04L27/26 ,  H04B7/06

CPC classification number: H04L5/0023 ,  H04B7/04 ,  H04B7/06 ,  H04B7/0639 ,  H04B7/0669 ,  H04J13/0062 ,  H04L1/0026 ,  H04L1/0057 ,  H04L1/0606 ,  H04L1/0668 ,  H04L1/1607 ,  H04L5/0044 ,  H04L5/0053 ,  H04L5/0055 ,  H04L5/0057 ,  H04L5/0091 ,  H04L27/2601 ,  H04L27/2602 ,  H04L27/2626 ,  H04L27/2627 ,  H04L27/34

Abstract: A method of transmitting, by a transmitter, information in a wireless communication system, the method includes generating first and second symbols; generating first and second transmit vectors on the basis of an Alamouti code from the first and second symbols; and transmitting the first transmit vector through a first antenna and transmitting the second transmit vector through a second antenna. The first transmit vector consists of a first transmit symbol and a second transmit symbol. The second transmit vector consists of a third transmit symbol and a fourth transmit symbol. The first, second, third, and fourth transmit symbols are transmitted based on first and second resource indexes. The first symbol is a first modulation symbol for first information, and the second symbol is a second modulation symbol for second information.

公开(公告)号：US20140192750A1

公开(公告)日：2014-07-10

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: H04J13/00 ,  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。