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    Measurement of equalizer span alignment with respect to channel condition
    1.
    发明授权
    Measurement of equalizer span alignment with respect to channel condition 失效
    相对于信道条件的均衡器跨度对齐的测量

    公开(公告)号：US07577697B2

    公开(公告)日：2009-08-18

    申请号：US11114025

    申请日：2005-04-26

    申请人： Tomasz Thomas Prokop ,  Dominic Wing-Kin Yip

    发明人： Tomasz Thomas Prokop ,  Dominic Wing-Kin Yip

    IPC分类号： G06F17/10

    CPC分类号： H04L25/03038 ,  H04B1/1081 ,  H04L2025/03477

    摘要： The span of a linear transversal equalizer filter moves according to the current positions of the multi-paths to a receiver. The alignment of the filter span is measured quantitatively with respect to the current positions of the multi-paths. Adjustments are made to the filter span to enable the linear transversal filter to capture most of the available energy of the transmitted signal. The low-pass-filtered magnitudes of tap weights of the linear filter are multiplied with values of a function which has zeroes at desired points for the larger tap weights, and a gradient of the function at its zeroes being non-zero. The magnitude of the alignment measurement signal is used as a quantitative measure of the alignment of the equalizer span, while the sign of the alignment measurement signal can be used to decide the direction that the span should be moved in.

    摘要翻译： 线性横向均衡器滤波器的跨度根据多路径的当前位置移动到接收器。 相对于多路径的当前位置，定量地测量滤波器跨度的对准。 调整滤波器范围，使线性横向滤波器捕获发射信号的大部分可用能量。 线性滤波器的抽头权重的低通滤波幅度与在较大抽头权重的期望点处具有零的函数的值相乘，并且其零点处的函数的梯度不为零。 对准测量信号的大小用作均衡器跨度的对准的定量测量，而对准测量信号的符号可用于确定跨度应该移动的方向。

    Reconfigurable communications circuit operable with data channel and control channel
    2.
    发明授权
    Reconfigurable communications circuit operable with data channel and control channel 有权
    可重构通信电路，可与数据通道和控制通道一起使用

    公开(公告)号：US07639995B2

    公开(公告)日：2009-12-29

    申请号：US11166042

    申请日：2005-06-24

    申请人： Christopher John Nicol ,  Dominic Wing-Kin Yip

    发明人： Christopher John Nicol ,  Dominic Wing-Kin Yip

    IPC分类号： H04B1/16

    CPC分类号： H04W88/02 ,  H04W52/0229 ,  Y02D70/1242 ,  Y02D70/1244

    摘要： A communications circuit can operate with a data channel and a control channel. A changeable portion of the circuit can be reconfigurable between a first mode associated with activity on the control channel only and a second mode associated with activity on both the data channel and the control channel. The first mode can be selected to reduce power consumption compared to the second mode. Controller circuitry is provided to sense signals associated with the control channel and to switch the changeable portion between the first and second modes.

    摘要翻译： 通信电路可以与数据通道和控制通道一起工作。 电路的可变部分可以在与仅在控制信道上的活动相关联的第一模式与与数据信道和控制信道两者上的活动相关联的第二模式之间重新配置。 可以选择第一模式以减少与第二模式相比的功耗。 提供控制器电路以感测与控制信道相关联的信号并且在第一和第二模式之间切换可变部分。

    Reconfigurable communications circuit
    3.
    发明授权
    Reconfigurable communications circuit 有权
    可重构通信电路

    公开(公告)号：US07486727B2

    公开(公告)日：2009-02-03

    申请号：US11107049

    申请日：2005-04-15

    申请人： Christopher John Nicol ,  Tomasz T. Prokop ,  Dominic Wing-Kin Yip

    发明人： Christopher John Nicol ,  Tomasz T. Prokop ,  Dominic Wing-Kin Yip

    IPC分类号： H03K5/159

    CPC分类号： H04B7/0845 ,  H04B7/0857 ,  H04B7/0871 ,  H04B7/0874 ,  H04B7/0891 ,  Y02D70/1242 ,  Y02D70/444

    摘要： A communications circuit can operate in a first mode, such as a diversity mode including space time transmit diversity (STTD). In this mode, a number of equalizer filter portions connected to a number of post-equalizer processors are employed. When the diversity mode is not required, the extra equalizer filter portions would represent a waste of power consumption and/or chip space. A combining circuit and suitable control circuitry are provided to allow use of the additional equalizer filter portions to be made in other operating modes. Appropriate trade-offs can be made based on power consumption and performance.

    摘要翻译： 通信电路可以以包括时空发射分集（STTD）在内的分集模式的第一模式工作。 在该模式中，采用与多个后均衡器处理器连接的多个均衡器滤波器部分。 当不需要分集模式时，额外的均衡器滤波器部分将代表功耗和/或芯片空间的浪费。 提供组合电路和合适的控制电路以允许在其他操作模式下使用额外的均衡器滤波器部分。 可以根据功耗和性能进行适当的权衡。

    Communications circuit and method with re-positionable sampling span
    4.
    发明授权
    Communications circuit and method with re-positionable sampling span 有权
    具有可重定位采样范围的通信电路和方法

    公开(公告)号：US08559573B2

    公开(公告)日：2013-10-15

    申请号：US11318812

    申请日：2005-12-27

    申请人： Rami Banna ,  Tomasz T. Prokop ,  Long Ung ,  Dominic Wing-Kin Yip

    发明人： Rami Banna ,  Tomasz T. Prokop ,  Long Ung ,  Dominic Wing-Kin Yip

    IPC分类号： H04B1/10

    CPC分类号： H04L25/03038 ,  H04L2025/03375 ,  H04L2025/03477 ,  H04L2025/03611

    摘要： A communications circuit includes a filter module with a sampling window, a control module, and an input buffer. The control module has a ray parameter interface to obtain information regarding significant ray changes that make it desirable to re-position the sampling window. The control module determines re-positioning parameters, responsive to this information, which reflect the re-positioning of the sampling window. The input buffer obtains samples of a received signal and outputs received signal data to the filter module. The filter module obtains the re-positioning parameters from the control module, and the filter module and control module temporally re-position the sampling window in duration and/or location in accordance with the re-positioning parameters, and output a filtered chip.

    摘要翻译： 通信电路包括具有采样窗口的滤波器模块，控制模块和输入缓冲器。 控制模块具有射线参数界面，以获得关于重要射线变化的信息，这使得需要重新定位采样窗口。 响应于该信息，控制模块确定重新定位参数，其反映采样窗口的重新定位。 输入缓冲器获得接收信号的样本，并将接收的信号数据输出到滤波器模块。 滤波器模块从控制模块获得重定位参数，滤波器模块和控制模块根据重定位参数在持续时间和/或位置暂时重新定位采样窗口，并输出滤波芯片。