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    • 3. 发明授权
    • Optical receiver having bandwidth control for intersymbol interference compensation
    • 光接收机具有符号间干扰补偿的带宽控制
    • US07991300B2
    • 2011-08-02
    • US11935345
    • 2007-11-05
    • Brian L. HeffnerChristian MalouinTheodore J. Schmidt
    • Brian L. HeffnerChristian MalouinTheodore J. Schmidt
    • H04B10/06
    • H04B10/677
    • Apparatus and techniques for receiving and processing an optical signal. In one implementation, an optical receiver is provided to include a delay line interferometer, an etalon, and a data estimator for estimating the data carried on a differentially modulated optical input signal. The delay line interferometer receives the input signal and issues differentially decoded constructive and destructive signals. The etalon filters the constructive signal with a transmission stopband imposed over the passband of the constructive signal. The bandwidth of the etalon stopband is selected based on the bandwidth of the modulation of the input signal in order to maximize received signal quality. The data estimator uses a difference between signals derived from the filtered constructive signal and the destructive signal for estimating data.
    • 用于接收和处理光信号的装置和技术。 在一个实施方案中,提供光接收器以包括延迟线干涉仪,标准具和用于估计在差分调制的光输入信号上承载的数据的数据估计器。 延迟线干涉仪接收输入信号并发出差分解码的建构性和破坏性信号。 标准具使用施加在结构信号的通带上的传输阻挡带来对建设性信号进行滤波。 基于输入信号的调制的带宽来选择标准具阻带的带宽,以便最大化接收的信号质量。 数据估计器使用从滤波的构造信号导出的信号与用于估计数据的破坏性信号之间的差异。
    • 9. 发明申请
    • Optical Receiver Having Bandwidth Control For Intersymbol Interference Compensation
    • 具有带宽控制的光接收器用于符号间干扰补偿
    • US20090116851A1
    • 2009-05-07
    • US11935345
    • 2007-11-05
    • Brian L. HeffnerChristian MalouinTheodore J. Schmidt
    • Brian L. HeffnerChristian MalouinTheodore J. Schmidt
    • H04B10/06
    • H04B10/677
    • Apparatus and techniques for receiving and processing an optical signal. In one implementation, an optical receiver is provided to include a delay line interferometer, an etalon, and a data estimator for estimating the data carried on a differentially modulated optical input signal. The delay line interferometer receives the input signal and issues differentially decoded constructive and destructive signals. The etalon filters the constructive signal with a transmission stopband imposed over the passband of the constructive signal. The bandwidth of the etalon stopband is selected based on the bandwidth of the modulation of the input signal in order to maximize received signal quality. The data estimator uses a difference between signals derived from the filtered constructive signal and the destructive signal for estimating data.
    • 用于接收和处理光信号的装置和技术。 在一个实施方案中,提供光接收器以包括延迟线干涉仪,标准具和用于估计在差分调制的光输入信号上承载的数据的数据估计器。 延迟线干涉仪接收输入信号并发出差分解码的建构性和破坏性信号。 标准具使用施加在结构信号的通带上的传输阻挡带来对建设性信号进行滤波。 基于输入信号的调制的带宽来选择标准具阻带的带宽,以便最大化接收的信号质量。 数据估计器使用从滤波的构成信号导出的信号与用于估计数据的破坏性信号之间的差异。