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    OPTICAL RECEIVER WITH OPTICAL TRANSMITTER-SPECIFIC DISPERSION POST-COMPENSATION
    6.
    发明公开
    OPTICAL RECEIVER WITH OPTICAL TRANSMITTER-SPECIFIC DISPERSION POST-COMPENSATION 审中-公开
    具有光学发射器的光接收器 - 特定的色散后补偿

    公开(公告)号：EP3195498A1

    公开(公告)日：2017-07-26

    申请号：EP15847763.8

    申请日：2015-05-14

    申请人： Huawei Technologies Co. Ltd.

    发明人： LIU, Xiang ,  EFFENBERGER, Frank

    IPC分类号： H04B10/2513

    CPC分类号： H04B10/2513 ,  H04B10/614 ,  H04B10/6161

    摘要： An apparatus comprising a frontend configured to convert an optical IM signal associated with a remote optical transmitter into a plurality of analog electrical signals, determine a plurality of DC offsets for the analog electrical signals, remove the DC offsets from the analog electrical signals to produce a plurality of DC-free analog signals, and convert the DC-free analog signals into a plurality of DC-free digital signals, and a DSP unit coupled to the frontend and configured to perform fiber dispersion compensation on the DC-free digital signals according to a dispersion value associated with the remote optical transmitter to produce a plurality of DC-free compensated digital signals, and add the DC offsets to the compensated digital signals to produce a plurality of DC-restored compensated digital signals.

    摘要翻译： 一种设备，包括：前端，被配置为将与远程光发射器相关联的光IM信号转换成多个模拟电信号;确定模拟电信号的多个DC偏移;从模拟电信号中去除DC偏移以产生 多个无DC模拟信号，并将无DC模拟信号转换成多个DC无数字信号;以及DSP单元，耦合到所述前端，并被配置为根据下式对所述DC无数字信号执行光纤色散补偿 与远程光学发射器相关联的色散值，以产生多个无DC补偿数字信号，并将DC偏移添加到补偿数字信号以产生多个DC恢复的补偿数字信号。