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    • 1. 发明授权
    • Optical transmission apparatus and method
    • 光传输装置及方法
    • US08331793B2
    • 2012-12-11
    • US12813810
    • 2010-06-11
    • Osamu TakeuchiMasahiro ShiodaYasuhiko AokiHisao Nakashima
    • Osamu TakeuchiMasahiro ShiodaYasuhiko AokiHisao Nakashima
    • H04B10/00
    • H04J3/1652
    • An optical transmission apparatus including a transmitting OTL processor to rearrange a data string stored in a frame into a plurality of logical lanes, and set a lane ID used to identify in which logical lane a beginning of the data string is arranged among the plurality of logical lanes in a non-scramble area in an overhead of the frame, and a receiving OTL processor to respectively identify the lane IDs included in the data string in the respective physical lanes rearranged, determine a generation state of a bit inversion and a lane replacement for each physical lane, compensate the bit inversion and the lane replacement so that the data string in the respective physical lanes becomes same state as the data string in the respective logical lanes, based on the identified result, and rearrange the compensated data string in the respective logical lanes so as to regenerate the frame.
    • 一种光传输装置,包括:发送OTL处理器,用于将存储在帧中的数据串重排为多个逻辑通道,并且设置用于识别在哪个逻辑通道中的数据串的开始位于多个逻辑通道中的多个逻辑 在帧的开销中的非扰频区域中的通道和用于分别识别重新排列的相应物理通道中包括在数据串中的车道ID的接收OTL处理器,确定位反转的生成状态和用于 每个物理通道,基于所识别的结果来补偿位反转和通道替换,使得相应物理通道中的数据串变成与各个逻辑通道中的数据串相同的状态,并且重新排列相应的逻辑通道中的补偿数据串 逻辑通道,以便重新生成框架。
    • 2. 发明授权
    • Optical transmission system and optical transmission method
    • 光传输系统和光传输方式
    • US08705974B2
    • 2014-04-22
    • US13412156
    • 2012-03-05
    • Yohei KoganeiMasahiro ShiodaOsamu TakeuchiHayato FurukawaYasuhiko Aoki
    • Yohei KoganeiMasahiro ShiodaOsamu TakeuchiHayato FurukawaYasuhiko Aoki
    • H04B10/00
    • H04J3/1652H04L25/14
    • An optical transmission system transmits an optical signal of multi-level modulation. In a transmitter module, a data string in a specified frame is rearranged into a plurality of logical lanes. A lane ID, which specifies in what logical lane out of the plurality of logical lanes a start of the data string is arranged, is assigned to a non-scrambled area in an overhead portion of the frame. The lane ID corresponding to one of the plurality of logical lanes is different from the lane IDs corresponding to the other remaining logical lanes. The optical signal is generated using the data string rearranged into the plurality of logical lanes. In a receiver, the lane ID is detected according to a majority method. The inversion of bits and the swapping of lanes are detected using the lane ID and compensated.
    • 光传输系统传输多电平调制的光信号。 在发射机模块中,指定帧中的数据串被重新排列成多个逻辑车道。 在多个逻辑通道中指定数据串的开头的什么逻辑通道中指定的通道ID被分配给帧的开销部分中的非加扰区域。 对应于多个逻辑车道之一的车道ID与对应于其余剩余逻辑车道的车道ID不同。 使用重新排列到多个逻辑通道中的数据串来生成光信号。 在接收机中,根据多数方法来检测车道ID。 使用车道ID检测位的倒置和车道交换,并进行补偿。
    • 4. 发明授权
    • Optical receiver
    • 光接收机
    • US08478137B2
    • 2013-07-02
    • US13017874
    • 2011-01-31
    • Kosuke KomakiMasahiro ShiodaKatsumi FukumitsuOsamu Takeuchi
    • Kosuke KomakiMasahiro ShiodaKatsumi FukumitsuOsamu Takeuchi
    • H04B10/06
    • H04B10/6971H04B10/61H04B10/611H04B10/613H04B10/6151H04B10/6161H04B10/6165H04L7/0004H04L7/0335H04L27/223H04L27/227
    • An optical receiver includes: a waveform distortion compensator to perform an operation on digital signal representing an optical signal generated by an A/D converter to compensate for waveform distortion of the optical signal; a phase detector to generate phase information representing sampling phase of the A/D converter; a phase adjuster to generate digital signal representing an optical signal in which the sampling phase of the A/D converter is adjusted from an output signal of the waveform distortion compensator using the phase information; a demodulator to generate a demodulated signal from the output signal of the phase adjuster; a phase controller to control the sampling phase of the A/D converter; a peak detector to detect a peak value of the phase information while the sampling phase of the A/D converter is controlled by the phase controller; and a compensation controller to control the waveform distortion compensator using the peak value.
    • 光接收器包括:波形失真补偿器,用于对表示由A / D转换器产生的光信号的数字信号进行操作以补偿光信号的波形失真; 相位检测器,用于产生表示A / D转换器的采样相位的相位信息; 相位调节器,用于产生代表使用相位信息的波形失真补偿器的输出信号调整A / D转换器的采样相位的光信号的数字信号; 解调器,用于从所述相位调节器的输出信号产生解调信号; 控制A / D转换器采样相位的相位控制器; 峰值检测器,用于在由相位控制器控制A / D转换器的采样相位时检测相位信息的峰值; 以及使用峰值来控制波形失真补偿器的补偿控制器。
    • 5. 发明申请
    • OPTICAL RECEIVER
    • 光接收机
    • US20110200339A1
    • 2011-08-18
    • US13017874
    • 2011-01-31
    • Kosuke KOMAKIMasahiro ShiodaKatsumi FukumitsuOsamu Takeuchi
    • Kosuke KOMAKIMasahiro ShiodaKatsumi FukumitsuOsamu Takeuchi
    • H04B10/06
    • H04B10/6971H04B10/61H04B10/611H04B10/613H04B10/6151H04B10/6161H04B10/6165H04L7/0004H04L7/0335H04L27/223H04L27/227
    • An optical receiver includes: a waveform distortion compensator to perform an operation on digital signal representing an optical signal generated by an A/D converter to compensate for waveform distortion of the optical signal; a phase detector to generate phase information representing sampling phase of the A/D converter; a phase adjuster to generate digital signal representing an optical signal in which the sampling phase of the A/D converter is adjusted from an output signal of the waveform distortion compensator using the phase information; a demodulator to generate a demodulated signal from the output signal of the phase adjuster; a phase controller to control the sampling phase of the A/D converter; a peak detector to detect a peak value of the phase information while the sampling phase of the A/D converter is controlled by the phase controller; and a compensation controller to control the waveform distortion compensator using the peak value.
    • 光接收器包括:波形失真补偿器,用于对表示由A / D转换器产生的光信号的数字信号进行操作以补偿光信号的波形失真; 相位检测器,用于产生表示A / D转换器的采样相位的相位信息; 相位调节器,用于产生代表使用相位信息的波形失真补偿器的输出信号调整A / D转换器的采样相位的光信号的数字信号; 解调器,用于从所述相位调节器的输出信号产生解调信号; 控制A / D转换器采样相位的相位控制器; 峰值检测器,用于在由相位控制器控制A / D转换器的采样相位时检测相位信息的峰值; 以及使用峰值来控制波形失真补偿器的补偿控制器。