Method for transmitting sounding reference signal in MIMO wireless communication system and apparatus therefor
    1.
    发明授权
    Method for transmitting sounding reference signal in MIMO wireless communication system and apparatus therefor 有权
    MIMO无线通信系统中发送探测参考信号的方法及装置

    公开(公告)号:US08824584B2

    公开(公告)日:2014-09-02

    申请号:US12711185

    申请日:2010-02-23

    IPC分类号: H04B7/02

    摘要: A method for transmitting a sounding reference signal in a MIMO wireless communication system and an apparatus therefor are disclosed. The method for transmitting sounding reference signals (SRSs) in a MIMO wireless communication system comprises receiving sounding reference signal parameters from a base station; receiving information of the number of sounding reference signals which will be transmitted at a transmission time instant from the base station; if a plurality of sounding reference signals are provided, generating the sounding reference signals corresponding to each of the plurality of antennas by using the sounding reference signal parameters; and transmitting the generated sounding reference signals to the base station through their corresponding antennas at a specific transmission instant.

    摘要翻译: 公开了一种用于在MIMO无线通信系统及其装置中发送探测参考信号的方法。 用于在MIMO无线通信系统中发送探测参考信号(SRS)的方法包括从基站接收探测参考信号参数; 接收将从基站在传输时刻发送的探测参考信号的数量的信息; 如果提供多个​​探测参考信号,则通过使用探测参考信号参数产生与多个天线中的每一个对应的探测参考信号; 并且在特定的传输瞬间通过其对应的天线将生成的探测参考信号发送到基站。

    Method for indicating precoding matrix indicator in uplink MIMO system with based on SC-FDMA
    8.
    发明授权
    Method for indicating precoding matrix indicator in uplink MIMO system with based on SC-FDMA 有权
    基于SC-FDMA的上行MIMO系统中预编码矩阵指示符的方法

    公开(公告)号:US09178595B2

    公开(公告)日:2015-11-03

    申请号:US13148886

    申请日:2010-02-19

    IPC分类号: H04B7/216 H04B7/06 H04L5/00

    CPC分类号: H04B7/0639 H04L5/0039

    摘要: A method of transmitting PMI (precoding matrix indicator) information in an uplink MIMO system is disclosed. The present invention includes the steps of receiving channel information from a user equipment and transmitting information on a resource allocated to the user equipment in uplink transmission and PMI information indicating a precoding matrix to apply to a region of the resource among a plurality of precoding matrices to the user equipment based on the received channel information, wherein the resource allocated to the user equipment is allocated by a bundle unit of a prescribed number of subcarriers, wherein each of a plurality of the precoding matrices are applied to regions generated from dividing a whole frequency band into a prescribed number of regions, respectively, and wherein the precoding matrix applied to the resource among a plurality of the precoding matrices has a maximum area resulting from overlapping a frequency band occupied by the allocated resource with a frequency band having the precoding matrix applied thereto.

    摘要翻译: 公开了一种在上行链路MIMO系统中发送PMI(预编码矩阵指示符)信息的方法。 本发明包括以下步骤:从用户设备接收信道信息,并在上行链路传输中发送关于分配给用户设备的资源的信息,以及指示预编码矩阵的PMI信息,以应用于多个预编码矩阵中的资源区域,以 所述用户设备基于所接收的信道信息,其中,分配给所述用户设备的资源由规定数量的副载波的分组单元分配,其中,所述多个预编码矩阵中的每一个被应用于从分频整个频率 并且其中在多个预编码矩阵中应用于资源的预编码矩阵具有由所分配的资源占据的频带与具有预编码矩阵的频带重叠而产生的最大区域 到此。

    Method for performing retransmission in MIMO wireless communication system and apparatus therefor
    9.
    发明授权
    Method for performing retransmission in MIMO wireless communication system and apparatus therefor 有权
    MIMO无线通信系统中的重传方法及其装置

    公开(公告)号:US09042314B2

    公开(公告)日:2015-05-26

    申请号:US13386015

    申请日:2010-08-02

    摘要: A method for performing retransmission at a user equipment of a MIMO wireless communication system is disclosed. The method comprises transmitting multiple transport blocks to a base station for a transmission unit time in accordance with uplink grant information, which includes a first new data indicator; receiving ACK/NACK (Acknowledgement/Negative-ACK) responses corresponding to the respective transport blocks and uplink grant information, which includes a second new data indicator, from the base station; and performing new transmission or retransmission for the multiple transport blocks in one transport block unit for a transmission unit time in accordance with the ACK/NACK responses and the second new data indicator, if transport rank is reduced to 1.

    摘要翻译: 公开了一种在MIMO无线通信系统的用户设备进行重传的方法。 该方法包括:根据包括第一新数据指示符的上行授权信息向基站发送多个传输块用于传输单元时间; 从基站接收对应于相应传输块的ACK / NACK(确认/否定ACK)响应和包括第二新数据指示符的上行链路许可信息; 并且如果传输等级减少到1,则根据ACK / NACK响应和第二新数据指示符,针对传输单元时间的一个传输块单元中的多个传输块执行新的传输或重传。