公开(公告)号：US09258038B2

公开(公告)日：2016-02-09

申请号：US14165162

申请日：2014-01-27

Applicant: LG ELECTRONICS INC.

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

IPC: G08C15/00 ,  H04B7/04 ,  H04B7/06 ,  H04L5/00 ,  H04L27/26 ,  H04L25/02 ,  H04L25/03

CPC classification number: H04B7/0413 ,  H04B7/0613 ,  H04B7/0632 ,  H04L5/0007 ,  H04L5/0026 ,  H04L5/0039 ,  H04L5/0048 ,  H04L5/0057 ,  H04L5/0073 ,  H04L5/0085 ,  H04L25/0226 ,  H04L27/2611 ,  H04L2025/03426 ,  H04L2025/03802

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.

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。 该方法包括：在包含多个OFDM符号的子帧中选择至少一个正交频分复用（OFDM）符号; 向所选择的至少一个OFDM符号分配能够测量多个天线中的每一个的信道状态的信道质量指示参考信号（CQI RS）; 并发送CQI RS，其中将CQI RS分配给OFDM符号，该OFDM符号不与要发送到小区中的所有用户设备的公共参考信号的OFDM符号或要发送到的一个专用参考信号重叠 分配单元中的特定用户设备。

公开(公告)号：US09173211B2

公开(公告)日：2015-10-27

申请号：US14177610

申请日：2014-02-11

Applicant: LG ELECTRONICS INC.

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

IPC: H04J1/00 ,  H04W72/04 ,  H04L5/00 ,  H04W52/14 ,  H04W52/58 ,  H04W52/60 ,  H04L25/03

CPC classification number: H04W72/0413 ,  H04B7/0417 ,  H04B7/0632 ,  H04L5/0023 ,  H04L5/0051 ,  H04L5/0055 ,  H04L5/0057 ,  H04L5/006 ,  H04L25/03343 ,  H04L2025/03414 ,  H04L2025/03426 ,  H04W52/146 ,  H04W52/58 ,  H04W52/60

Abstract: A method of transmitting uplink control information of a user equipment is provided. The method includes: generating the uplink control information repeatedly as many as uplink data transmission layers; modulating the uplink control information to generate a plurality of repeated modulation symbol; applying a precoding matrix to the plurality of repeated modulation symbols to generate a plurality of first precoded symbol; and transmitting the plurality of first precoded symbols respectively through a plurality of antennas in an uplink subframe comprising a plurality of single carrier frequency division multiple access (SC-FDMA) symbols in a time domain and a plurality of subcarriers in a frequency domain.

Abstract translation: 提供一种发送用户设备的上行链路控制信息的方法。 该方法包括：重复上行链路数据传输层产生上行链路控制信息; 调制所述上行链路控制信息以产生多个重复调制符号; 对所述多个重复调制符号应用预编码矩阵以产生多个第一预编码符号; 以及在时域中的多个单载波频分多址（SC-FDMA）符号和频域中的多个副载波的上行链路子帧中分别通过多个天线发送多个第一预编码符号。

公开(公告)号：US20150085822A1

公开(公告)日：2015-03-26

申请号：US14558484

申请日：2014-12-02

Applicant: LG ELECTRONICS INC.

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

IPC: H04L5/00

CPC classification number: H04L5/0048 ,  H04J13/00

Abstract: The present invention relates a method in which a base station transmits a downlink signal by using a plurality of layers comprises the steps of: multiplexing and transmitting dedicated reference signals for the plurality of layers on the basis of a reference signal pattern, wherein 24 resource element positions comprised in the reference signal pattern are set as 6 groups, the 6 groups are set as 2 high-level groups, the reference signal for the plurality of layer is split and placed in the 2 high-level groups, and the reference signal for 2 or more layers placed in the same group is subjected to code-division multiplexing.

Abstract translation: 本发明涉及一种基站通过多层传输下行链路信号的方法，包括以下步骤：基于参考信号模式复用和发送多个层的专用参考信号，其中24个资源元素 参考信号图案中包含的位置被设置为6组，6组被设置为2个高电平组，多个层的参考信号被分离并放置在2个高电平组中，并且参考信号用于 放置在同一组中的2层以上的层进行码分复用。

公开(公告)号：US08982829B2

公开(公告)日：2015-03-17

申请号：US14218338

申请日：2014-03-18

Applicant: LG Electronics Inc.

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

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: The present invention relates to a wireless communication system, and in particular, to a method and an apparatus for transmitting a downlink reference signal in a wireless communication system that supports multiple antennas. The method for transmitting a reference signal for a maximum of eight antenna ports according to one embodiment of the present invention comprises: in a base station, mapping part of a common reference signal for a maximum of four antenna ports into a downlink subframe that includes a 1st slot and a 2nd slot; in the base station, mapping a channel status information reference signal for the maximum of eight antenna ports into the downlink subframe, according to a preset pattern; and in the base station, transmitting the downlink subframe into which the common reference signal and the channel status information reference signal have been mapped, wherein the preset pattern defines the channel status information reference signal for the maximum of eight antenna ports to be mapped onto two OFDM symbols of the data region in the downlink subframe, and wherein part of the common reference signal for the maximum of four antenna ports is limited to the common reference signal for a maximum of two antenna ports.

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，特别是涉及在支持多个天线的无线通信系统中发送下行链路参考信号的方法和装置。 根据本发明的一个实施例的用于发送最多八个天线端口的参考信号的方法包括：在基站中，将最多四个天线端口的公共参考信号的一部分映射到包括 第一槽和第二槽; 在基站中，根据预设模式将用于最多八个天线端口的信道状态信息参考信号映射到下行链路子帧中; 并且在基站中，发送已经映射了公共参考信号和信道状态信息参考信号的下行链路子帧，其中，预设模式定义了要映射到两个的最多八个天线端口的信道状态信息参考信号 下行链路子帧中的数据区域的OFDM符号，并且其中用于最多四个天线端口的公共参考信号的一部分被限制为用于最多两个天线端口的公共参考信号。

公开(公告)号：US20140341096A1

公开(公告)日：2014-11-20

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: H04W72/04 ,  H04L1/18 ,  H04L5/00 ,  H04B7/04 ,  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：US20140293957A1

公开(公告)日：2014-10-02

申请号：US14353474

申请日：2012-10-26

Applicant: LG ELECTRONICS INC.

Inventor： Jin Young Chun ,  Bin Chul Ihm ,  Ji Won Kang ,  Ki Tae Kim ,  Sung Ho Park ,  Su Nam Kim

IPC: H04L5/00

CPC classification number: H04L5/005 ,  H04B7/0617 ,  H04B7/063 ,  H04B7/0639 ,  H04B7/0684 ,  H04L1/0046 ,  H04L1/0072 ,  H04L5/0039 ,  H04L5/0041 ,  H04L5/0044 ,  H04L5/0053 ,  H04L5/0094 ,  H04W72/042 ,  H04W72/1289 ,  H04W76/11 ,  H04W88/085

Abstract: Provided are a method and an apparatus for allocating a control channel in a wireless communication system. A base station allocates an enhanced physical downlink control channel (e-PDCCH) to a localized region within a physical downlink shared channel (PDSCH) region, allocates the e-PDCCH to a distributed region within the PDSCH region, and transmits a scheduling assignment via the allocated e-PDCCH.

Abstract translation: 提供一种用于在无线通信系统中分配控制信道的方法和装置。 基站向物理下行链路共享信道（PDSCH）区域内的局部区域分配增强物理下行链路控制信道（e-PDCCH），向PDSCH区域内的分布区域分配e-PDCCH，并通过 分配的e-PDCCH。

公开(公告)号：US20140286299A1

公开(公告)日：2014-09-25

申请号：US14358000

申请日：2012-11-16

Applicant: LG ELECTRONICS INC.

Inventor： Bin Chul Ihm ,  Ki Tae Kim ,  Su Nam Kim ,  Ji Won Kang ,  Jin Young Chun ,  Sung Ho Park

IPC: H04W72/04

CPC classification number: H04W72/042 ,  H04B7/022 ,  H04L5/0007 ,  H04L5/0053

Abstract: Provided are a method for searching for a control channel by a terminal in a wireless communication system and a terminal for using the method. The method determines whether an allocation unit constituting an enhanced-physical downlink control channel (E-PDCCH) is one or plural in number; and, if the allocation unit constituting the E-PDCCH is plural in number, searches for the E-PDCCH using a user equipment specific reference signal (URS) of an antenna port defined in one allocation unit from among the plurality of allocation units.

Abstract translation: 提供了一种用于在无线通信系统中的终端搜索控制信道的方法和用于使用该方法的终端。 该方法确定构成增强物理下行链路控制信道（E-PDCCH）的分配单元是否为一个或多个; 并且如果构成E-PDCCH的分配单元数量多个，则从多个分配单元中的一个分配单元中定义的天线端口的用户设备专用参考信号（URS）搜索E-PDCCH。

公开(公告)号：US20140286285A1

公开(公告)日：2014-09-25

申请号：US14353466

申请日：2012-10-23

Applicant: LG ELECTRONICS INC.

Inventor： Sung Ho Park ,  Jin Young Chun ,  Ki Tae Kim ,  Su Nam Kim ,  Ji Won Kang ,  Bin Chul Ihm

IPC: H04W72/04

CPC classification number: H04W72/0406 ,  H04L1/0025 ,  H04L1/0038 ,  H04L5/0053 ,  H04L27/0008

Abstract: Provided are a method and an apparatus for control channel decoding of a terminal in a multi-node system. The method sets a search space for searching a control channel and can perform the decoding by using different demodulation methods according to aggregation levels capable of constituting the control channel within the search space. In addition, the method determines the DCI format to be searched according to a transmission mode and can use different demodulation methods according to the determined DCI format. Furthermore, the method modulates DCI format to a first modulation degree when demodulating the DCI format, and can demodulate the DCI format to a second modulation degree when the DCI format is not detected.

Abstract translation: 提供了一种用于控制多节点系统中的终端的信道解码的方法和装置。 该方法设置用于搜索控制信道的搜索空间，并且可以根据能够构成搜索空间内的控制信道的聚合级别，通过使用不同的解调方法来执行解码。 此外，该方法根据传输模式确定要搜索的DCI格式，并且可以根据确定的DCI格式使用不同的解调方法。 此外，当解调DCI格式时，该方法将DCI格式调制为第一调制度，并且当未检测到DCI格式时，可以将DCI格式解调为第二调制度。

公开(公告)号：US20140286188A1

公开(公告)日：2014-09-25

申请号：US14354891

申请日：2012-10-30

Applicant: LG ELECTRONICS INC.

Inventor： Ji Won Kang ,  Jin Young Chun ,  Ki Tae Kim ,  Su Nam Kim ,  Bin Chul Ihm ,  Sung Ho Park

IPC: H04W24/10

CPC classification number: H04W24/10 ,  H04B7/0417 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0639 ,  H04B17/345 ,  H04W24/06 ,  H04W52/244 ,  H04W52/283 ,  H04W52/325

Abstract: Provided is a method for measuring interference by a user equipment (UE) in a multi-node system comprising inside a cell a base station and a plurality of nodes that are controlled by the base station, and the user equipment for same. The method comprises: receiving from the base station a node set-specific interference measurement region (NSIR) setting message from a node set that comprises a portion of the nodes from the plurality of nodes; and measuring the interference in a resource region that is indicated by the NSIR setting message, wherein the NSIR setting message is characterized by all of the nodes in the node set comprising information for setting an interference measurement region for transmitting a zero-power channel state information (CSI) reference signal (RS).

Abstract translation: 提供了一种用于在多节点系统中测量用户设备（UE）的干扰的方法，该多节点系统包括基站内的小区内的基站和由基站控制的多个节点，以及用于其的用户设备。 该方法包括：从基站接收节点集专用干扰测量区域（NSIR）设置消息，该节点集合干扰测量区域（NSIR）设置消息包括来自多个节点的节点的一部分的节点集合; 以及测量由所述NSIR设置消息指示的资源区域中的干扰，其中所述NSIR设置消息的特征在于包括用于设置用于发送零功率信道状态信息的干扰测量区域的信息的所述节点集合中的所有节点 （CSI）参考信号（RS）。

公开(公告)号：US20140254419A1

公开(公告)日：2014-09-11

申请号：US14348814

申请日：2012-10-02

Applicant: LG ELECTRONICS INC.

Inventor： Jin Young Chun ,  Ki Tae Kim ,  Ji Won Kang ,  Sung Ho Park ,  Su Nam Kim ,  Bin Chul Ihm

IPC: H04W24/08

CPC classification number: H04W24/08 ,  H04B7/024 ,  H04B7/0417 ,  H04L1/00 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/005 ,  H04L5/0073 ,  H04L5/0094

Abstract: The present invention relates to a method and apparatus for measuring interference in a wireless communication system. User equipment (UE) receives a common reference signal (CRS) from a first domain having the same cell identity and a channel state information (CSI) reference signal (RS) from a second domain including a configuration of the CSI RS designated by the UE. The UE measures interference for the second domain on the basis of the received CRS and CSI RS.

Abstract translation: 本发明涉及一种用于测量无线通信系统中的干扰的方法和装置。 用户设备（UE）从具有相同小区标识的第一域和来自包括由UE指定的CSI RS的配置的第二域的信道状态信息（CSI）参考信号（RS））接收公共参考信号（CRS） 。 UE根据接收的CRS和CSI RS测量第二域的干扰。