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    • 5. 发明授权
    • Optical transmission system
    • 光传输系统
    • US08594508B2
    • 2013-11-26
    • US13137024
    • 2011-07-15
    • Hisao NakashimaTakeshi HoshidaTakahito TanimuraToru KatagiriShoichiro Oda
    • Hisao NakashimaTakeshi HoshidaTakahito TanimuraToru KatagiriShoichiro Oda
    • H04B10/00
    • H04B10/2572H04B10/532H04B10/5561
    • An optical transmission system, where in an optical transmitter a detection bit having a specific pattern set according to the number of bits to be transmitted within one symbol time, is imparted with respect to a transmission signal in which transmission information has been encoded according to a preset format, and an optical signal generated by modulating light according to the transmission signal is transmitted to a transmission line. In an optical receiver, logic inversion or bit swap of received data is detected and compensated by using the detection bit included in the received signal, a decoding process of the compensated received signal is executed. As a result, when an optical signal capable of transmitting multi-bit information within one symbol time is transferred, it is possible to realize excellent transmission characteristics, by reliably compensating an error in received data caused by the modulation format or the multiplex system of the optical signal.
    • 一种光传输系统,其中在光发射机中,根据在一个符号时间内要发送的比特数的数量,具有特定模式集的检测比特,根据发送信号已被编码的发送信号 预设格式和根据发送信号调制光产生的光信号被发送到传输线。 在光接收机中,通过使用包含在接收信号中的检测位来检测和补偿接收数据的逻辑反转或位交换,执行经补偿的接收信号的解码处理。 结果,当在一个符号时间内能够发送多位信息的光信号被传送时,通过可靠地补偿由调制格式或多路复用系统引起的接收数据中的错误,可以实现优异的传输特性 光信号。