Method for transceiving channel state information in wireless access system, and apparatus for supporting same

    公开(公告)号:US09800379B2

    公开(公告)日:2017-10-24

    申请号:US14758787

    申请日:2013-12-31

    Abstract: The present invention relates to a wireless access system that supports massive MIMO, and provides a method for transceiving channel state information (CSI) for operating the massive MIMO and an apparatus for supporting said method. The method for transmitting CSI by a terminal in a wireless access system that supports massive multi-input multi-output (MIMO), according to one embodiment of the present invention, may comprise the steps of: receiving a signal including report period information; receiving downlink data including a reference signal; measuring first CSI using the reference signal; acquiring second CSI using the first CSI; and reporting the first CSI or the second CSI to a base station based on the report period information. According to the present invention, the first CSI may be information on a first antenna set including antennas for transmitting the reference signal, and the second CSI may be information on a second antenna set including antennas not transmitting the reference signal.

    Method and apparatus for transmitting control information in radio communication system
    43.
    发明授权
    Method and apparatus for transmitting control information in radio communication system 有权
    用于在无线电通信系统中发送控制信息的方法和装置

    公开(公告)号:US09565005B2

    公开(公告)日:2017-02-07

    申请号:US14481459

    申请日:2014-09-09

    Abstract: A method for transmitting control information using PUCCH format 3 in a radio communication system includes detecting one or more Physical Downlink Control Channels (PDCCHs), receiving one or more Physical Downlink Shared Channel (PDSCH) signals corresponding to the one or more PDCCHs, and determining a PUCCH resource value nPUCCH(3,p) corresponding to a value of a transmit power control (TPC) field of a PDCCH for a PDSCH signal on a secondary cell (SCell) among a plurality of PUCCH resource values configured by a higher layer for the PUCCH format 3. If a single antenna port transmission mode is configured, the PUCCH resource value nPUCCH(3,p) indicated by the TPC field is mapped to one PUCCH resource for a single antenna port, and, if a multi-antenna port transmission mode is configured, the PUCCH resource value nPUCCH(3,p) indicated by the TPC field is mapped to a plurality of PUCCH resources for multiple antenna ports.

    Abstract translation: 一种在无线通信系统中使用PUCCH格式3发送控制信息的方法包括:检测一个或多个物理下行链路控制信道(PDCCH),接收与所述一个或多个PDCCH相对应的一个或多个物理下行链路共享信道(PDSCH)信号,以及确定 对应于由用于由更高层配置的多个PUCCH资源值中的辅助小区上的PDSCH信号的PDCCH的发射功率控制(TPC)字段的值的PUCCH资源值nPUCCH(3,p),用于 PUCCH格式3.如果配置单个天线端口传输模式,则由TPC字段指示的PUCCH资源值nPUCCH(3,p)被映射到单个天线端口的一个PUCCH资源,并且如果多天线端口 传输模式被配置为由TPC字段指示的PUCCH资源值nPUCCH(3,p)被映射到多个天线端口的多个PUCCH资源。

    Method and apparatus for cancelling self-interference signal between transmission antenna and reception antenna
    44.
    发明授权
    Method and apparatus for cancelling self-interference signal between transmission antenna and reception antenna 有权
    用于消除发射天线和接收天线之间的自干扰信号的方法和装置

    公开(公告)号:US09438356B2

    公开(公告)日:2016-09-06

    申请号:US14988426

    申请日:2016-01-05

    Abstract: An apparatus for cancelling a self-interference signal between a transmission antenna and a reception antenna is disclosed. The apparatus includes a first self-interference signal cancellation unit for cancelling a self-interference signal in consideration of a linear channel between the transmission antenna and the reception antenna, a second self-interference signal cancellation unit for cancelling a self-interference signal in consideration of nonlinear channel characteristic between the transmission antenna and the reception antenna or linear characteristic of a radio channel, and a controller for comparing a transmitted signal output from the transmission antenna and a received signal received by the reception antenna to provide a first coefficient to be applied to self-interference signal cancellation of a linear device in the first self-interference signal cancellation unit and a second coefficient to be applied to self-interference signal cancellation of a nonlinear device in the second self-interference signal cancellation unit.

    Abstract translation: 公开了一种用于消除发射天线和接收天线之间的自干扰信号的装置。 该装置包括:第一自干扰信号消除单元,用于考虑发射天线与接收天线之间的线性信道来消除自干扰信号;第二自干扰信号消除单元,用于消除考虑到的自干扰信号 发送天线与接收天线之间的非线性信道特性或无线信道的线性特性,以及用于比较从发送天线输出的发送信号与接收天线接收到的接收信号的控制器,以提供要应用的第一系数 在第一自干扰信号消除单元中对线性设备进行自干扰信号消除,以及第二系数被应用于第二自干扰信号消除单元中的非线性设备的自干扰信号消除。

    METHOD AND DEVICE FOR INFORMATION TRANSMISSION IN WIRELESS COMMUNICATION SYSTEM
    45.
    发明申请
    METHOD AND DEVICE FOR INFORMATION TRANSMISSION IN WIRELESS COMMUNICATION SYSTEM 有权
    无线通信系统信息传输的方法与装置

    公开(公告)号:US20160135156A1

    公开(公告)日:2016-05-12

    申请号:US14995783

    申请日:2016-01-14

    Abstract: The present invention relates to a wireless communication system and more specifically relates to a method and device for transmitting information. A wireless communication system can support carrier aggregation (CA). In one aspect of the present invention, a method, in which a terminal receives information from a base station in a wireless communication, comprises the steps of: receiving, from the base station, first information on the transmission method of a first channel; receiving the receiving the first channel, from the base station, via at least one serving cell formed in the terminal; and carrying out decoding on the first channel in accordance with the first information. Therein, the first channel is an enhanced physical downlink control channel (ePDCCH), and the terminal is capable of not carrying out decoding on the first channel in a frequency region in a present subframe.

    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,更具体地涉及发送信息的方法和装置。 无线通信系统可以支持载波聚合(CA)。 在本发明的一个方面中,终端在无线通信中从基站接收信息的方法包括以下步骤:从基站接收关于第一信道的传输方法的第一信息; 从所述基站经由形成在所述终端中的至少一个服务小区接收所述第一信道; 以及根据第一信息在第一信道上进行解码。 其中,第一信道是增强物理下行链路控制信道(ePDCCH),并且终端能够不在本子帧中的频率区域中的第一信道上执行解码。

    Method for performing hierarchical beamforming in wireless access system and device therefor
    46.
    发明授权
    Method for performing hierarchical beamforming in wireless access system and device therefor 有权
    用于在无线接入系统中执行分层波束成形的方法及其装置

    公开(公告)号:US09184806B2

    公开(公告)日:2015-11-10

    申请号:US14382517

    申请日:2013-03-07

    Abstract: A method for performing hierarchical beamforming in a wireless access system and a device therefor are disclosed. Particularly, the method comprises: an initial step for allowing a base station to transmit a plurality of first beams, to which different steering vectors are applied, to a terminal through corresponding reference signals, and a repetition step for allowing the base station to transmit a plurality of second beams, to which different steering vectors are applied, to the terminal through corresponding reference signals by considering feedback information that contains an index of one or more beams received from the terminal, wherein the repetition step can be repeated up to a predetermined number of times.

    Abstract translation: 公开了一种用于在无线接入系统及其设备中执行分层波束成形的方法。 特别地,该方法包括:初始步骤,用于允许基站通过相应的参考信号向终端发送施加了不同的导向向量的多个第一波束,以及允许基站发送 通过考虑包含从终端接收到的一个或多个波束的索引的反馈信息,通过相应的参考信号将应用了不同导向向量的多个第二波束提供给终端,其中重复步骤可以重复到预定数量 的时代。

    METHOD AND APPARATUS FOR GENERATING SYNCHRONOUS SIGNAL IN WIRELESS ACCESS SYSTEM FOR SUPPORTING SUPER-HIGH FREQUENCY BAND
    47.
    发明申请
    METHOD AND APPARATUS FOR GENERATING SYNCHRONOUS SIGNAL IN WIRELESS ACCESS SYSTEM FOR SUPPORTING SUPER-HIGH FREQUENCY BAND 有权
    在支持超高频带的无线接入系统中产生同步信号的方法和装置

    公开(公告)号:US20150289220A1

    公开(公告)日:2015-10-08

    申请号:US14440564

    申请日:2013-11-05

    Abstract: The present invention relates to a method for newly defining a synchronous signal used in a super-high frequency band and acquiring downlink synchronization by using the synchronous signal, and an apparatus for supporting the same. The method for enabling a base station to transmit the synchronous signal in the wireless access system supporting the super-high frequency band, as one embodiment of the present invention, comprises the steps of: generating a general synchronous signal which do not have repetitive characteristics; generating a repetitive synchronous signal on the basis of a repetition factor for estimating a carrier frequency offset of the super-high frequency band; transmitting the general synchronous signal from a first frame; and transmitting the repetitive synchronous signal from a second frame. At this time, the repetition factor indicates the repetitive characteristic of the repetitive synchronous signal.

    Abstract translation: 本发明涉及新定义在超高频带中使用的同步信号并通过使用该同步信号获取下行链路同步的方法及其支持装置。 作为本发明的一个实施例,使得基站能够在支持超高频带的无线接入系统中发送同步信号的方法包括以下步骤:产生不具有重复特性的通用同步信号; 基于用于估计超高频带的载波频率偏移的重复因子产生重复同步信号; 从第一帧传送所述通用同步信号; 以及从第二帧发送所述重复同步信号。 此时,重复因子表示重复同步信号的重复特性。

    SYNCHRONIZING SIGNAL RECEIVING METHOD AND USER EQUIPMENT, AND SYNCHRONIZING SIGNAL TRANSMITTING METHOD AND BASE STATION
    48.
    发明申请
    SYNCHRONIZING SIGNAL RECEIVING METHOD AND USER EQUIPMENT, AND SYNCHRONIZING SIGNAL TRANSMITTING METHOD AND BASE STATION 有权
    同步信号接收方法和用户设备,同步信号发送方法和基站

    公开(公告)号:US20150289219A1

    公开(公告)日:2015-10-08

    申请号:US14440042

    申请日:2013-11-04

    Abstract: The present invention defines multiple synchronizing signal resource candidates from/in which a synchronizing signal can be transmitted or detected. The base station according to the present invention transmits a synchronizing signal from a synchronizing signal resource, which corresponds to at least the cell identifier of a cell which is associated with the synchronizing signal, the time synchronization of the cell, the length of a cyclic prefix which is applied to the cell, or the type of the base station, among the multiple synchronizing signal resource candidates. The user equipment according to the present invention can obtain information on at least the cell identifier, the time synchronization with the cell, the length of the cyclic prefix, or the type of the base station, on the basis of the synchronizing signal resource in which the synchronizing signal has been detected.

    Abstract translation: 本发明定义了可以发送或检测同步信号的多个同步信号资源候选。 根据本发明的基站从同步信号资源发送同步信号,其至少对应于与同步信号相关联的小区的小区标识符,小区的时间同步,循环前缀的长度 在多个同步信号资源候选中应用于小区或基站的类型。 根据本发明的用户设备可以基于其中的同步信号资源获得关于至少小区标识符,小区的时间同步,循环前缀的长度或基站的类型的信息,其中 已经检测到同步信号。

    METHOD AND APPARATUS FOR TRANSMITTING CODEBOOK-BASED SIGNAL IN WIRELESS COMMUNICATION SYSTEM
    49.
    发明申请
    METHOD AND APPARATUS FOR TRANSMITTING CODEBOOK-BASED SIGNAL IN WIRELESS COMMUNICATION SYSTEM 有权
    在无线通信系统中传输基于代码的信号的方法与装置

    公开(公告)号:US20150236762A1

    公开(公告)日:2015-08-20

    申请号:US14422999

    申请日:2013-08-26

    Abstract: The present invention relates to a wireless communication system, and more specifically, disclosed are a method and an apparatus for transmitting a codebook-based signal. A method for transmitting channel state information from a terminal in the wireless communication system, according to one embodiment of the present invention, comprises the steps of measuring a downlink channel from a downlink signal that is received from a base station; determining a first precoding matrix indicator (PMI) and a second PMI of the downlink channel based on the measurement of the downlink channel; and transmitting the first PMI and the second PMI to the base station, wherein the first PMI indicates a first precoding vector that includes a first elevation angle component of a multi-antenna of the base station, the second PMI indicates a second precoding vector that includes a second elevation angle component and an azimuth angle component of the multi-antenna of the base station, and wherein the second elevation angle component can be determined based on the value of the first elevation angle component.

    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,更具体地说,涉及发送基于码本的信号的方法和装置。 根据本发明的一个实施例,一种从无线通信系统中的终端发送信道状态信息的方法包括以下步骤:从基站接收的下行链路信号测量下行信道; 基于所述下行链路信道的测量来确定所述下行链路信道的第一预编码矩阵指示符(PMI)和第二PMI; 以及将所述第一PMI和所述第二PMI发送到所述基站,其中,所述第一PMI指示包括所述基站的多天线的第一仰角分量的第一预编码向量,所述第二PMI指示包括 基站的多天线的第二仰角分量和方位角分量,并且其中可以基于第一仰角分量的值来确定第二仰角分量。

    METHOD FOR PERFORMING HIERARCHICAL BEAMFORMING IN WIRELESS ACCESS SYSTEM AND DEVICE THEREFOR
    50.
    发明申请
    METHOD FOR PERFORMING HIERARCHICAL BEAMFORMING IN WIRELESS ACCESS SYSTEM AND DEVICE THEREFOR 有权
    在无线接入系统中执行分层波束的方法及其设备

    公开(公告)号:US20150049824A1

    公开(公告)日:2015-02-19

    申请号:US14382517

    申请日:2013-03-07

    Abstract: A method for performing hierarchical beamforming in a wireless access system and a device therefor are disclosed. Particularly, the method comprises: an initial step for allowing a base station to transmit a plurality of first beams, to which different steering vectors are applied, to a terminal through corresponding reference signals, and a repetition step for allowing the base station to transmit a plurality of second beams, to which different steering vectors are applied, to the terminal through corresponding reference signals by considering feedback information that contains an index of one or more beams received from the terminal, wherein the repetition step can be repeated up to a predetermined number of times.

    Abstract translation: 公开了一种用于在无线接入系统及其设备中执行分层波束成形的方法。 特别地,该方法包括:初始步骤,用于允许基站通过相应的参考信号向终端发送施加了不同的导向向量的多个第一波束,以及允许基站发送 通过考虑包含从终端接收到的一个或多个波束的索引的反馈信息,通过相应的参考信号将应用了不同导向向量的多个第二波束提供给终端,其中重复步骤可以重复到预定数量 的时代。

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