Nested precoding codebook structures for MIMO systems
    1.
    发明授权
    Nested precoding codebook structures for MIMO systems 有权
    MIMO系统的嵌套预编码码本结构

    公开(公告)号:US08259824B2

    公开(公告)日:2012-09-04

    申请号:US12124529

    申请日:2008-05-21

    IPC分类号: H04K1/10

    摘要: Embodiments of the present disclosure provide a transmitter, a receiver and methods of operating a transmitter and a receiver. In one embodiment, the transmitter is for use with NT transmit antennas and includes a precoder unit configured to precode data for transmission using a preceding matrix selected from a nested codebook, wherein the nested codebook provides codebooks corresponding to different transmission layers that are derived from column subsets of multiple NT×NT preceding matrices. The transmitter also includes a transmit unit configured to transmit the precoded data. In another embodiment, the receiver includes a receive unit configured to receive preceded data. The receiver also includes a precoder selection unit configured to select a preceding matrix from a nested codebook for the preceded data, wherein the nested codebook provides codebooks corresponding to different transmission layers that are derived from column subsets of multiple NT×NT preceding matrices.

    摘要翻译: 本公开的实施例提供发射机,接收机和操作发射机和接收机的方法。 在一个实施例中,发射机用于NT发射天线,并且包括预编码器单元,其配置为使用从嵌套码本中选择的先前矩阵来对数据进行预编码,其中嵌套码本提供对应于从列导出的不同传输层的码本 多个NT×NT以前的矩阵的子集。 发射机还包括被配置为发送预编码数据的发射单元。 在另一个实施例中,接收机包括被配置为接收先前数据的接收单元。 接收机还包括预编码器选择单元,其被配置为从先前数据的嵌套码本中选择前一矩阵,其中嵌套码本提供对应于从多个NT×NT先前矩阵的列子集导出的不同传输层的码本。

    NESTED PRECODING CODEBOOK STRUCTURES FOR MIMO SYSTEMS
    2.
    发明申请
    NESTED PRECODING CODEBOOK STRUCTURES FOR MIMO SYSTEMS 有权
    用于MIMO系统的预编码预编码结构

    公开(公告)号:US20080292013A1

    公开(公告)日:2008-11-27

    申请号:US12124529

    申请日:2008-05-21

    IPC分类号: H04L27/28

    摘要: Embodiments of the present disclosure provide a transmitter, a receiver and methods of operating a transmitter and a receiver. In one embodiment, the transmitter is for use with NT transmit antennas and includes a precoder unit configured to precode data for transmission using a preceding matrix selected from a nested codebook, wherein the nested codebook provides codebooks corresponding to different transmission layers that are derived from column subsets of multiple NT×NT preceding matrices. The transmitter also includes a transmit unit configured to transmit the precoded data. In another embodiment, the receiver includes a receive unit configured to receive preceded data. The receiver also includes a precoder selection unit configured to select a preceding matrix from a nested codebook for the preceded data, wherein the nested codebook provides codebooks corresponding to different transmission layers that are derived from column subsets of multiple NT×NT preceding matrices.

    摘要翻译: 本公开的实施例提供发射机,接收机和操作发射机和接收机的方法。 在一个实施例中,发射机用于NT发射天线,并且包括预编码器单元,其配置为使用从嵌套码本中选择的先前矩阵来对数据进行预编码,其中嵌套码本提供对应于从列导出的不同传输层的码本 多个NTxNT前一个矩阵的子集。 发射机还包括被配置为发送预编码数据的发射单元。 在另一个实施例中,接收机包括被配置为接收先前数据的接收单元。 接收机还包括预编码器选择单元,其被配置为从用于先前数据的嵌套码本中选择前一矩阵,其中,嵌套码本提供对应于从多个NTxNT前一矩阵的列子集导出的不同传输层的码本。

    CQI FEEDBACK FOR OFDMA SYSTEMS
    3.
    发明申请
    CQI FEEDBACK FOR OFDMA SYSTEMS 有权
    用于OFDMA系统的CQI反馈

    公开(公告)号:US20080207135A1

    公开(公告)日:2008-08-28

    申请号:US12036066

    申请日:2008-02-22

    IPC分类号: H04B7/005

    摘要: Embodiments of a feedback generator and decoder and methods of operating the feedback generator and decoder are presented. In one embodiment, the feedback generator includes a CQI compression module configured to provide a compressed CQI for the user equipment corresponding to at least one sub-band, where a sub-band is composed of at least one resource block. The feedback generator also includes a transmit module coupled to the CQI compression module and configured to transmit the compressed CQI to a serving base station. In one embodiment, the feedback decoder includes a receive module configured to receive a compressed CQI in the base station from user equipment corresponding to at least one sub-band. The feedback decoder also includes a CQI restoration module coupled to the receive module and configured to provide a restored CQI from the compressed CQI for the at least one sub-band.

    摘要翻译: 提出了反馈发生器和解码器的实施例以及操作反馈发生器和解码器的方法。 在一个实施例中,反馈发生器包括CQI压缩模块,该CQI压缩模块被配置为针对与至少一个子带相对应的用户设备提供压缩CQI,其中子带由至少一个资源块组成。 反馈发生器还包括耦合到CQI压缩模块并被配置为将压缩的CQI发送到服务基站的发送模块。 在一个实施例中,反馈解码器包括接收模块,其被配置为从与至少一个子带对应的用户设备接收基站中的压缩CQI。 所述反馈解码器还包括耦合到所述接收模块的CQI恢复模块,并且被配置为从所述至少一个子带的压缩CQI提供恢复的CQI。

    DEDICATED REFERENCE SIGNAL STRUCTURES FOR SPATIAL MULTIPLEXING BEAMFORMING
    5.
    发明申请
    DEDICATED REFERENCE SIGNAL STRUCTURES FOR SPATIAL MULTIPLEXING BEAMFORMING 审中-公开
    用于空间多路复用光束的专用参考信号结构

    公开(公告)号:US20100061360A1

    公开(公告)日:2010-03-11

    申请号:US12557398

    申请日:2009-09-10

    摘要: A transmitter is for use with a cellular communication network and includes a beamforming generation unit configured to generate a downlink beamforming transmission corresponding to multiple-layer spatial multiplexing and based on a dedicated reference signal pattern. Additionally, the transmitter also includes a transmit unit configured to transmit the downlink beamforming transmission. A receiver is for use with a cellular communication network and includes a receive unit configured to receive a downlink beamforming transmission, and a beamforming processing unit configured to process the downlink beamforming transmission corresponding to multiple-layer spatial multiplexing and based on a dedicated reference signal pattern.

    摘要翻译: 发射机用于蜂窝通信网络,并且包括:波束成形生成单元,被配置为生成对应于多层空间复用的下行链路波束形成传输,并且基于专用参考信号模式。 另外,发射机还包括被配置为发送下行链路波束成形传输的发射单元。 接收机用于蜂窝通信网络并且包括被配置为接收下行链路波束成形传输的接收单元,以及波束形成处理单元,被配置为处理与多层空间复用相对应的下行链路波束成形传输,并且基于专用参考信号模式 。

    REFERENCE SIGNAL STRUCTURES FOR MORE THAN FOUR ANTENNAS
    6.
    发明申请
    REFERENCE SIGNAL STRUCTURES FOR MORE THAN FOUR ANTENNAS 审中-公开
    参考信号结构超过四个天线

    公开(公告)号:US20100046412A1

    公开(公告)日:2010-02-25

    申请号:US12546615

    申请日:2009-08-24

    IPC分类号: H04H20/71 H04M3/00 H04B7/02

    摘要: A transmitter, for use with a cellular communication network, includes a reference signal generation unit configured to provide a reference signal corresponding to a reference signal structure for more than four transmit antennas. The transmitter also includes a system information signal generation unit configured to provide a system information signal corresponding to the reference signal structure for the more than four transmit antennas. The transmitter additionally includes a transmit unit configured to transmit the reference signal and the system information signal.

    摘要翻译: 用于蜂窝通信网络的发射机包括参考信号生成单元,被配置为提供对应于多于四个发射天线的参考信号结构的参考信号。 发射机还包括系统信息信号生成单元,被配置为提供与多于四个发射天线的参考信号结构相对应的系统信息信号。 发射机还包括被配置为发送参考信号和系统信息信号的发射单元。

    Efficient rank and precoding matrix feedback for MIMO systems
    7.
    发明授权
    Efficient rank and precoding matrix feedback for MIMO systems 有权
    MIMO系统的有效等级和预编码矩阵反馈

    公开(公告)号:US09225397B2

    公开(公告)日:2015-12-29

    申请号:US12170319

    申请日:2008-07-09

    IPC分类号: H04B7/04 H04B7/06

    摘要: The present disclosure provides a receiver, a transmitter and methods of operating a receiver or a transmitter. In one embodiment, the receiver includes a receive unit configured to receive transmissions from multiple antennas. The receiver also includes a rank feedback unit configured to feed back a transmission rank selection, wherein the transmission rank selection corresponds to a transmission rank feedback reduction scheme. The receiver further includes a precoding feedback unit configured to feed back a precoding matrix selection, wherein the precoding matrix selection corresponds to a precoding matrix feedback reduction scheme.

    摘要翻译: 本公开提供了一种接收机,发射机和操作接收机或发射机的方法。 在一个实施例中,接收机包括被配置为从多个天线接收传输的接收单元。 接收机还包括配置为反馈传输等级选择的秩反馈单元,其中传输等级选择对应于传输秩反馈降低方案。 所述接收机还包括配置为反馈预编码矩阵选择的预编码反馈单元,其中所述预编码矩阵选择对应于预编码矩阵反馈减少方案。

    EFFICIENT RANK AND PRECODING MATRIX FEEDBACK FOR MIMO SYSTEMS
    9.
    发明申请
    EFFICIENT RANK AND PRECODING MATRIX FEEDBACK FOR MIMO SYSTEMS 有权
    MIMO系统的有效排序和预测矩阵反馈

    公开(公告)号:US20090017769A1

    公开(公告)日:2009-01-15

    申请号:US12170319

    申请日:2008-07-09

    IPC分类号: H04B7/00

    摘要: The present disclosure provides a receiver, a transmitter and methods of operating a receiver or a transmitter. In one embodiment, the receiver includes a receive unit configured to receive transmissions from multiple antennas. The receiver also includes a rank feedback unit configured to feed back a transmission rank selection, wherein the transmission rank selection corresponds to a transmission rank feedback reduction scheme. The receiver further includes a preceding feedback unit configured to feed back a preceding matrix selection, wherein the preceding matrix selection corresponds to a preceding matrix feedback reduction scheme.

    摘要翻译: 本公开提供了一种接收机,发射机和操作接收机或发射机的方法。 在一个实施例中,接收机包括被配置为从多个天线接收传输的接收单元。 接收机还包括配置为反馈传输等级选择的秩反馈单元,其中传输等级选择对应于传输秩反馈降低方案。 所述接收机还包括配置为反馈先前矩阵选择的前述反馈单元,其中所述先前矩阵选择对应于先前的矩阵反馈减少方案。

    USER EQUIPMENT FEEDBACK STRUCTURES FOR MIMO OFDMA
    10.
    发明申请
    USER EQUIPMENT FEEDBACK STRUCTURES FOR MIMO OFDMA 审中-公开
    MIMO OFDMA的用户设备反馈结构

    公开(公告)号:US20080219370A1

    公开(公告)日:2008-09-11

    申请号:US12042246

    申请日:2008-03-04

    IPC分类号: H04K1/10

    摘要: Embodiments of the present disclosure provide a feedback encoder, a feedback decoder and methods of operating the same. The feedback encoder, for use with user equipment, includes an encoding module configured to provide a rank indicator that is separately reportable from a related selection of at least one of a channel quality indicator and a preceding matrix indicator for the user equipment. The feedback encoder also includes a transmit module configured to transmit the rank indicator and the related selection. The feedback decoder, for use with a base station, includes a receive module configured to receive a rank indicator that is separately reportable from a related selection of at least one of a channel quality indicator and a preceding matrix indicator for user equipment. The feedback decoder also includes a decoding module configured to decode the rank indicator and the related selection for the base station.

    摘要翻译: 本公开的实施例提供了反馈编码器,反馈解码器及其操作方法。 用于与用户设备一起使用的反馈编码器包括编码模块,其被配置为提供与用户设备的信道质量指示符和先前矩阵指示符中的至少一个的相关选择单独可报告的秩指示符。 反馈编码器还包括被配置为发送秩指示符和相关选择的发送模块。 与基站一起使用的反馈解码器包括:接收模块,被配置为接收与用户设备的信道质量指示符和前一矩阵指示符中的至少一个的相关选择分开报告的秩指示符。 反馈解码器还包括被配置为对基站指示器和相关选择进行解码的解码模块。