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    • 3. 发明申请
    • DATA PROCESSING METHOD, OPTICAL RECEIVER, AND OPTICAL NETWORK SYSTEM
    • 数据处理方法,光接收机和光网络系统
    • WO2012103841A3
    • 2013-02-21
    • PCT/CN2012073240
    • 2012-03-29
    • HUAWEI TECH CO LTDZHOU LEISUI MENGWANG ZHENPING
    • ZHOU LEISUI MENGWANG ZHENPING
    • H04B10/61
    • H04B10/61
    • Disclosed are a data processing method, an optical receiver, and an optical network system, which relate to the technical field of communication networks, can reduce the system complexity and upgrade costs. In the present invention, a first optical signal sent by an optical network unit is received; at least one second optical signal is generated, polarization state adjustment and control are performed on the at least one second optical signal, and a third optical signal is output, so that polarization states of the third optical signal at a first half period and a second half period are perpendicular to each other, one period being a time required to transmit any bit of the first optical signal; mixing and photoelectric conversion are performed on the first optical signal and the third optical signal to output at least one electrical signal; operation processing is performed on the at least one electrical signal to output a third electrical signal; and a data signal is restored according to the third electrical signal, and is sent. The solution provided by embodiments of the present invention is applicable during coherent PON receiving independent of polarization.
    • 公开了涉及通信网络技术领域的数据处理方法,光接收机和光网络系统,可以降低系统复杂度并提高成本。 在本发明中,接收由光网络单元发送的第一光信号; 产生至少一个第二光信号,对至少一个第二光信号进行极化状态调整和控制,并且输出第三光信号,使得在第一半周期和第二光信号处的第三光信号的极化状态 半周期彼此垂直,一个周期是传输第一光信号的任何位所需的时间; 对第一光信号和第三光信号执行混合和光电转换以输出至少一个电信号; 对至少一个电信号执行操作处理以输出第三电信号; 并且根据第三电信号恢复数据信号,并被发送。 本发明实施例提供的解决方案可应用于独立于极化的相干PON接收。
    • 4. 发明申请
    • METHOD, DEVICE AND SYSTEM FOR PROCESSING OPTICAL NETWORK SIGNAL
    • 用于处理光网络信号的方法,装置和系统
    • WO2012126402A2
    • 2012-09-27
    • PCT/CN2012073426
    • 2012-03-31
    • HUAWEI TECH CO LTDZHOU LEIPENG GUIKAISUI MENGWANG ZHENPINGCHENG NING
    • ZHOU LEIPENG GUIKAISUI MENGWANG ZHENPINGCHENG NING
    • H04J14/06
    • H04J14/06H04B10/2587H04B10/27H04B10/272H04B10/532H04B10/60
    • Provided are a method, device and system for processing an optical network signal. The method comprises: receiving an optical signal sent by an optical line terminal, wherein the optical signal includes two polarization components perpendicular to each other, with downlink data being modulated on one of the polarization components; dividing the optical signal into two signals, with each signal being the optical signal; demodulating the downlink data from one optical signal, and performing vertical polarization rotation processing on the other optical signal and modulating the uplink data onto the two polarization components of the optical signal; sending the other optical signal that has undergone vertical polarization rotation processing and uplink data modulation processing to the optical line terminal, so that the optical line terminal demodulates the uplink data from the received optical signal. The embodiments of the present invention can reduce the signal processing load of the optical network unit and the optical line terminal and reduce hardware cost.
    • 提供了一种用于处理光网络信号的方法,设备和系统。 该方法包括:接收由光线路终端发送的光信号,其中光信号包括彼此垂直的两个偏振分量,下行数据在一个偏振分量上进行调制; 将光信号分为两个信号,每个信号是光信号; 对一个光信号进行下行链路数据的解调,对另一光信号进行垂直偏振旋转处理,并将上行数据调制成光信号的两个偏振分量; 将经过垂直极化旋转处理和上行链路数据调制处理的另一光信号发送到光线路终端,使得光线路终端从接收的光信号中解调上行数据。 本发明的实施例可以降低光网络单元和光线路终端的信号处理负荷,并降低硬件成本。