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    Mitigation of interference and crosstalk in communications systems
    4.
    发明授权
    Mitigation of interference and crosstalk in communications systems 有权
    减轻通信系统中的干扰和串扰

    公开(公告)号：US07978591B2

    公开(公告)日：2011-07-12

    申请号：US11694981

    申请日：2007-03-31

    申请人： Mark Alan Erickson ,  Thorkell Gudmundsson ,  Ioannis Kanellakopoulos ,  John Josef Hench

    发明人： Mark Alan Erickson ,  Thorkell Gudmundsson ,  Ioannis Kanellakopoulos ,  John Josef Hench

    IPC分类号： H04J1/12 ,  H04J3/10

    CPC分类号： H04L25/03006 ,  H04L25/0246 ,  H04L2025/03426

    摘要： Signals in a multi-channel, impaired communication system are post-processed at the receiver. A triangular matrix Decision Feedback Demodulator (DFD) at the receiver extracts channels without requiring delivery of receiver parameters to the transmitter. Multi-Input Multi-Output (MIMO) processing matrices and DFD parameters are computed by first applying matrix transformations to diagonalize the noise covariance matrix of the multiple channels received at the receiver. QR decompositions (i.e., decompositions into orthogonal and triangular matrices) are then applied to the main channels to obtain triangular channel matrices. The noise-diagonalizing transformations and QR decompositions are then combined to form the MIMO postprocessing matrices and DFD parameters. MIMO postprocessing matrices and DFD parameters are computed from training data and then adapted during live data transmission.

    摘要翻译： 多通道，受损的通信系统中的信号在接收机上进行后处理。 在接收器处的三角矩阵判决反馈解调器（DFD）提取信道而不需要向发射机传送接收机参数。 通过首先应用矩阵变换来对接收机接收的多个信道的噪声协方差矩阵进行对角化来计算多输入多输出（MIMO）处理矩阵和DFD参数。 然后将QR分解（即，分解成正交和三角矩阵）施加到主信道以获得三角形信道矩阵。 然后将噪声对角化变换和QR分解组合以形成MIMO后处理矩阵和DFD参数。 从训练数据计算MIMO后处理矩阵和DFD参数，然后在实时数据传输期间进行调整。

    Mitigation of Interference and Crosstalk in Communications Systems
    5.
    发明申请
    Mitigation of Interference and Crosstalk in Communications Systems 有权
    通信系统中干扰和串扰的减轻

    公开(公告)号：US20080239937A1

    公开(公告)日：2008-10-02

    申请号：US11694981

    申请日：2007-03-31

    申请人： Mark Alan Erickson ,  Thorkell Gudmundsson ,  Ioannis Kanellakopoulos ,  John Josef Hench

    发明人： Mark Alan Erickson ,  Thorkell Gudmundsson ,  Ioannis Kanellakopoulos ,  John Josef Hench

    IPC分类号： H04J1/12 ,  H04M3/34

    CPC分类号： H04L25/03006 ,  H04L25/0246 ,  H04L2025/03426

    摘要： Signals in a multi-channel, impaired communication system are post-processed at the receiver. A triangular matrix Decision Feedback Demodulator (DFD) at the receiver extracts channels without requiring delivery of receiver parameters to the transmitter. Multi-Input Multi-Output (MIMO) processing matrices and DFD parameters are computed by first applying matrix transformations to diagonalize the noise covariance matrix of the multiple channels received at the receiver. QR decompositions (i.e., decompositions into orthogonal and triangular matrices) are then applied to the main channels to obtain triangular channel matrices. The noise-diagonalizing transformations and QR decompositions are then combined to form the MIMO postprocessing matrices and DFD parameters. MIMO postprocessing matrices and DFD parameters are computed from training data and then adapted during live data transmission.

    摘要翻译： 多通道，受损的通信系统中的信号在接收机上进行后处理。 在接收器处的三角矩阵判决反馈解调器（DFD）提取信道而不需要向发射机传送接收机参数。 通过首先应用矩阵变换来对接收机接收的多个信道的噪声协方差矩阵进行对角化来计算多输入多输出（MIMO）处理矩阵和DFD参数。 然后将QR分解（即，分解成正交和三角矩阵）施加到主信道以获得三角形信道矩阵。 然后将噪声对角化变换和QR分解组合以形成MIMO后处理矩阵和DFD参数。 从训练数据计算MIMO后处理矩阵和DFD参数，然后在实时数据传输期间进行调整。