COHERENT AND SELF-COHERENT SIGNAL PROCESSING TECHNIQUES
    1.
    发明申请
    COHERENT AND SELF-COHERENT SIGNAL PROCESSING TECHNIQUES 有权
    相关和自相关信号处理技术

    公开(公告)号:US20140219666A1

    公开(公告)日:2014-08-07

    申请号:US14005302

    申请日:2012-03-01

    Abstract: A receiver and a multi-symbol-differential-detection (MSDD) module, the MSDD may include an input node for receiving an input signal having a noisy phase; a summation and rotation unit; and an output unit; wherein the output unit is arranged to output an output signal and a normalized output signal; wherein the output signal represents the input signal but has a reconstructed phase; wherein the summation and rotation unit is arranged to receive the input signal and the output signal and to provide a reference signal that reflects a weighted sum of phase rotated and delayed previously received input signals; wherein the output unit comprises a phase difference calculator, a slicer, a delay unit and a normalizer; wherein the phase difference calculator is arranged to generate a difference signal indicative of a phase difference between the reference signal and the input signal; wherein the slicer and the delay unit are arranged to generate the output signal by slicing the difference signal to provide a sliced signal and by delaying the sliced signal; and wherein the normalizer is arranged to normalize the output signal to provide the normalized output signal.

    Abstract translation: 一种接收机和多符号差分检测(MSDD)模块,MSDD可以包括用于接收具有噪声相位的输入信号的输入节点; 总和和旋转单元; 和输出单元; 其中所述输出单元被布置成输出输出信号和归一化输出信号; 其中所述输出信号表示所述输入信号,但具有重构相位; 其中所述求和和旋转单元被布置为接收所述输入信号和所述输出信号,并且提供反映相位旋转和延迟的先前接收的输入信号的加权和的参考信号; 其中所述输出单元包括相位差计算器,限幅器,延迟单元和归一化器; 其中所述相位差计算器被配置为产生指示所述参考信号和所述输入信号之间的相位差的差信号; 其中所述限幅器和所述延迟单元被布置成通过对所述差分信号进行限幅来产生所述输出信号以提供分片信号并通过延迟所述分片信号; 并且其中所述归一化器被布置成使输出信号归一化以提供归一化的输出信号。

    Coherent and self-coherent signal processing techniques
    2.
    发明授权
    Coherent and self-coherent signal processing techniques 有权
    相干和自相干信号处理技术

    公开(公告)号:US09083471B2

    公开(公告)日:2015-07-14

    申请号:US14005302

    申请日:2012-03-01

    Abstract: A receiver and a multi-symbol-differential-detection (MSDD) module, the MSDD may include an input node for receiving an input signal having a noisy phase; a summation and rotation unit; and an output unit; wherein the output unit is arranged to output an output signal and a normalized output signal; wherein the output signal represents the input signal but has a reconstructed phase; wherein the summation and rotation unit is arranged to receive the input signal and the output signal and to provide a reference signal that reflects a weighted sum of phase rotated and delayed previously received input signals; wherein the output unit comprises a phase difference calculator, a slicer, a delay unit and a normalizer; wherein the phase difference calculator is arranged to generate a difference signal indicative of a phase difference between the reference signal and the input signal; wherein the slicer and the delay unit are arranged to generate the output signal by slicing the difference signal to provide a sliced signal and by delaying the sliced signal; and wherein the normalizer is arranged to normalize the output signal to provide the normalized output signal.

    Abstract translation: 一种接收机和多符号差分检测(MSDD)模块,MSDD可以包括用于接收具有噪声相位的输入信号的输入节点; 总和和旋转单元; 和输出单元; 其中所述输出单元被布置成输出输出信号和归一化输出信号; 其中所述输出信号表示所述输入信号,但具有重构相位; 其中所述求和和旋转单元被布置为接收所述输入信号和所述输出信号,并且提供反映相位旋转和延迟的先前接收的输入信号的加权和的参考信号; 其中所述输出单元包括相位差计算器,限幅器,延迟单元和归一化器; 其中所述相位差计算器被配置为产生指示所述参考信号和所述输入信号之间的相位差的差信号; 其中所述限幅器和所述延迟单元被布置成通过对所述差分信号进行限幅来产生所述输出信号以提供分片信号并通过延迟所述分片信号; 并且其中所述归一化器被布置成使输出信号归一化以提供归一化的输出信号。

    Carrier phase estimation for optically coherent QPSK based on wiener-optimal and adaptive multi-symbol delay detection (MSDD)
    3.
    发明授权
    Carrier phase estimation for optically coherent QPSK based on wiener-optimal and adaptive multi-symbol delay detection (MSDD) 有权
    基于优化和自适应多符号延迟检测(MSDD)的光学相干QPSK的载波相位估计

    公开(公告)号:US08977136B2

    公开(公告)日:2015-03-10

    申请号:US13719287

    申请日:2012-12-19

    Abstract: A receiver that includes a carrier recovery module that includes a reference signal generator that is arranged to generate a reference signal that estimates a carrier signal; a decision module that is arranged to demodulate a receiver input signal by the reference signal to provide a demodulated signal and to evaluate the demodulated signal to provide an decision module output signal that estimates the carrier signal; the reference signal generator includes a delay and rotation module that is arranged to delay receiver input signals to provide delayed receiver input signals and to align the delayed receiver input signals by a rotation that is responsive to the decision module output signal thereby providing aligned signals; and a multiplication and summation module that is arranged to generate the reference signal by calculating a weighted sum of the aligned signals.

    Abstract translation: 一种接收器,包括载波恢复模块,其包括参考信号发生器,所述参考信号发生器被布置成生成估计载波信号的参考信号; 决定模块,其被配置为通过所述参考信号解调接收器输入信号以提供解调信号,并且评估所述解调信号以提供估计所述载波信号的判定模块输出信号; 所述参考信号发生器包括延迟和旋转模块,所述延迟和旋转模块被布置成延迟接收器输入信号以提供延迟的接收器输入信号,并且通过响应于所述决定模块输出信号的旋转对准延迟的接收器输入信号,从而提供对准的信号; 以及乘法和求和模块,其被布置为通过计算对准的信号的加权和来生成参考信号。

    CARRIER PHASE ESTIMATION FOR OPTICALLY COHERENT QPSK BASED ON WIENER-OPTIMAL AND ADAPTIVE MULTI-SYMBOL DELAY DETECTION (MSDD)
    4.
    发明申请
    CARRIER PHASE ESTIMATION FOR OPTICALLY COHERENT QPSK BASED ON WIENER-OPTIMAL AND ADAPTIVE MULTI-SYMBOL DELAY DETECTION (MSDD) 有权
    基于WIENER-OPTIMAL和自适应多符号延迟检测(MSDD)的光学相干QPSK的载波相位估计

    公开(公告)号:US20140050493A1

    公开(公告)日:2014-02-20

    申请号:US13719287

    申请日:2012-12-19

    Abstract: A receiver that includes a carrier recovery module that includes a reference signal generator that is arranged to generate a reference signal that estimates a carrier signal; a decision module that is arranged to demodulate a receiver input signal by the reference signal to provide a demodulated signal and to evaluate the demodulated signal to provide an decision module output signal that estimates the carrier signal; the reference signal generator includes a delay and rotation module that is arranged to delay receiver input signals to provide delayed receiver input signals and to align the delayed receiver input signals by a rotation that is responsive to the decision module output signal thereby providing aligned signals; and a multiplication and summation module that is arranged to generate the reference signal by calculating a weighted sum of the aligned signals.

    Abstract translation: 一种接收器,包括载波恢复模块,其包括参考信号发生器,所述参考信号发生器被布置成生成估计载波信号的参考信号; 决定模块,其被配置为通过所述参考信号解调接收器输入信号以提供解调信号,并且评估所述解调信号以提供估计所述载波信号的判定模块输出信号; 所述参考信号发生器包括延迟和旋转模块,所述延迟和旋转模块被布置成延迟接收器输入信号以提供延迟的接收器输入信号,并且通过响应于所述决定模块输出信号的旋转对准延迟的接收器输入信号,从而提供对准的信号; 以及乘法和求和模块,其被布置为通过计算对准的信号的加权和来生成参考信号。

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