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    • 3. 发明授权
    • Optical reception method and optical receiver using maximal-ratio-combining method
    • 光接收方法和使用最大比组合方法的光接收机
    • US09154232B2
    • 2015-10-06
    • US14112653
    • 2011-12-09
    • Kazuomi EndoYoichi Hashimoto
    • Kazuomi EndoYoichi Hashimoto
    • H04B10/06H04B10/61
    • H04B10/6165H04B10/614
    • In order to allow reception in which receive sensitivity does not depend upon polarization state in reception of a multi-level phase optical signal, in this optical reception method, a multi-level phase optical signal of a single polarization is separated into a first optical signal and a second optical signal of which polarizations are mutually orthogonal, the ratio of the power of the first optical signal to the power of the second signal is calculated, and the difference between the phase of the first optical signal and the phase of second optical signal is calculated as an amount of compensation, whereupon, on the basis of the ratio and the amount of compensation, the first optical signal and the second optical signal are combined using a maximal ratio combining method, and the amount of compensation is modified on the basis of the ratio.
    • 为了允许接收灵敏度不接收多级相位光信号的接收中的偏振状态的接收,在该光接收方法中,单极化的多电平相位光信号被分离为第一光信号 以及偏振相互正交的第二光信号,计算第一光信号的功率与第二信号的功率的比率,并且计算第一光信号的相位与第二光信号的相位之差 被计算为补偿量,因此,基于比率和补偿量,使用最大比组合方法组合第一光信号和第二光信号,并且基于该补偿量修改补偿量 的比例。
    • 4. 发明申请
    • OPTICAL RECEPTION METHOD AND OPTICAL RECEIVER
    • 光接收方式和光接收机
    • US20140044440A1
    • 2014-02-13
    • US14112653
    • 2011-12-09
    • Kazuomi EndoYoichi Hashimoto
    • Kazuomi EndoYoichi Hashimoto
    • H04B10/61
    • H04B10/6165H04B10/614
    • In order to allow reception in which receive sensitivity does not depend upon polarization state in reception of a multi-level phase optical signal, in this optical reception method, a multi-level phase optical signal of a single polarization is separated into a first optical signal and a second optical signal of which polarizations are mutually orthogonal, the ratio of the power of the first optical signal to the power of the second signal is calculated, and the difference between the phase of the first optical signal and the phase of second optical signal is calculated as an amount of compensation, whereupon, on the basis of the ratio and the amount of compensation, the first optical signal and the second optical signal are combined using a maximal ratio combining method, and the amount of compensation is modified on the basis of the ratio.
    • 为了允许接收灵敏度不接收多级相位光信号的接收中的偏振状态的接收,在该光接收方法中,单极化的多电平相位光信号被分离为第一光信号 以及偏振相互正交的第二光信号,计算第一光信号的功率与第二信号的功率的比率,并且计算第一光信号的相位与第二光信号的相位之差 被计算为补偿量,因此,基于比率和补偿量,使用最大比组合方法组合第一光信号和第二光信号,并且基于该补偿量修改补偿量 的比例。