公开(公告)号：US20060222376A1

公开(公告)日：2006-10-05

申请号：US10562799

申请日：2004-02-27

申请人： Kazuhide Ouchi ,  Kazuo Kubo

发明人： Kazuhide Ouchi ,  Kazuo Kubo

IPC分类号： H04B10/06

CPC分类号： H04L25/067 ,  H04L1/0045 ,  H04L25/063

摘要： The present invention has been made in order to realize an optical signal receiving equipment that can suppress fluctuations in soft decision error correction capabilities in accordance with manufacturing difference in individual deciders or deterioration over time. The optical signal receiving equipment includes: an optical-electrical converting means for converting received optical signals into electronic signals; a plurality of deciders for identifying the electronic signals converted by the optical-electrical converting means; a soft decision-identification means for computing identification signals related to the decision results by the plurality of deciders, and reliability information indicating a level of reliability of the identification signals; an error correction means for correcting error in the identification signals, by using the reliability information computed by the soft decision-identification means; and a control means for executing hard decision-identification of the electronic signals by using each of the plurality of deciders, and for correcting, based on each of the hard decision-identification results, thresholds in the plurality of deciders in the soft decision-identification means.

摘要翻译： 本发明是为了实现能够根据个别决定器的制造差异或随着时间的劣化而抑制软决策纠错能力的波动的光信号接收装置。 光信号接收设备包括：一个光电转换装置，用于将接收的光信号转换为电信号; 用于识别由光电转换装置转换的电子信号的多个决定器; 软决策识别装置，用于计算由所述多个决定器的决策结果相关的识别信号;以及可靠性信息，其指示所述识别信号的可靠性水平; 用于通过使用由软判决识别装置计算的可靠性信息来校正识别信号中的错误的纠错装置; 以及控制装置，用于通过使用所述多个决策者中的每一个来执行所述电子信号的硬判决识别，并且用于基于所述硬判决识别结果中的每一个来校正所述软决策识别中的所述多个决策者中的阈值 手段。

公开(公告)号：US20080092009A1

公开(公告)日：2008-04-17

申请号：US11662085

申请日：2004-09-09

申请人： Yoshikuni Miyata ,  Hideo Yoshida ,  Kazuhide Ouchi ,  Katsuhiro Shimizu ,  Tatsuya Kobayashi

发明人： Yoshikuni Miyata ,  Hideo Yoshida ,  Kazuhide Ouchi ,  Katsuhiro Shimizu ,  Tatsuya Kobayashi

IPC分类号： H03M13/27 ,  G06F11/16

CPC分类号： H03M13/2909 ,  H03M13/1515 ,  H03M13/152 ,  H03M13/27

摘要： An error correction coding apparatus includes a frame generating unit for buffering inputted information sequence data in frame buffers which correspond to units to be coded, respectively, a first interleaving unit for rearranging the information sequence data within two or more of the frame buffers, a first coding unit for coding the information sequence data rearranged by the first interleaving unit for each of the frame buffers, and for buffering an error correcting code generated thereby in the frame buffer, a first deinterleaving unit for rearranging code word sequence data in the frame buffer which is coded by the first coding unit according to a procedure which is reverse to that which the first interleaving unit uses, and a multiplexing unit for outputting, as transmission information, the code word sequence data rearranged by the first deinterleaving unit.

摘要翻译： 纠错编码装置包括：帧产生单元，用于分别缓冲对应于要编码的单元的帧缓冲器中的输入信息序列数据;第一交织单元，用于在两个或更多个帧缓冲器内重新排列信息序列数据;第一 编码单元，用于编码由第一交织单元为每个帧缓冲器重排的信息序列数据，并且用于缓冲在帧缓冲器中由此产生的纠错码;第一解交织单元，用于重新排列帧缓冲器中的码字序列数据， 根据与第一交织单元使用的过程相反的过程由第一编码单元编码;以及复用单元，用于输出由第一解交织单元重新排列的码字序列数据作为发送信息。

公开(公告)号：US07895498B2

公开(公告)日：2011-02-22

申请号：US11662085

申请日：2004-09-09

申请人： Yoshikuni Miyata ,  Hideo Yoshida ,  Kazuhide Ouchi ,  Katsuhiro Shimizu ,  Tatsuya Kobayashi

发明人： Yoshikuni Miyata ,  Hideo Yoshida ,  Kazuhide Ouchi ,  Katsuhiro Shimizu ,  Tatsuya Kobayashi

IPC分类号： H03M13/00

CPC分类号： H03M13/2909 ,  H03M13/1515 ,  H03M13/152 ,  H03M13/27

摘要： An error correction coding apparatus includes a first coding unit for coding a sequence data to be coded which includes information source data for each frame to generate an error correcting code word sequence including a parity sequences, and a first rearranging unit for rearranging elements of the error correcting code word sequences of a plurality of frames generated by the first coding unit. The first rearranging unit rearranges elements of the parity sequences included in the error correcting code word sequences. The first rearranging unit also rearranges elements of the error correcting code word sequences other than the parity sequences, within the error correcting code word sequences other than the parity sequences.

摘要翻译： 纠错编码装置包括：第一编码单元，用于编码包括每帧的信息源数据的待编码序列数据，以产生包括奇偶序列的纠错码字序列;以及第一重排单元，用于重新排列错误的元素 校正由第一编码单元生成的多个帧的码字序列。 第一重排单元重新排列包括在纠错码字序列中的奇偶校验序列的元素。 除奇偶校验序列之外的第一重排单元还重新排列除奇偶校验序列之外的纠错码字序列的元素。

公开(公告)号：US07392440B2

公开(公告)日：2008-06-24

申请号：US10562799

申请日：2004-02-27

申请人： Kazuhide Ouchi ,  Kazuo Kubo

发明人： Kazuhide Ouchi ,  Kazuo Kubo

IPC分类号： H03M13/00

CPC分类号： H04L25/067 ,  H04L1/0045 ,  H04L25/063

摘要： An optical signal receiving equipment including an optical-electrical converter configured to convert optical signals into electronic signals; first deciders configured to transform the electronic signals into first binary signals; a second decider configured to transform the electronic signals into a second binary signal; a decision encoder configured to compute identification signals based on the plurality of first binary signals, and to compute reliability information of the computed identification signals; a converter configured to combine the identification signals and the second binary signal to combined identification signals; and a controller configured to execute an initial identification of the electronic signals in any one of the plurality of first deciders by using an initial threshold level in the plurality of first deciders, to measure an average amplitude of the electronic signals, and to correct the threshold level of the plurality of first deciders based on a variation of the average amplitude of the electronic signals.

摘要翻译： 一种光信号接收设备，包括配置成将光信号转换成电子信号的光电转换器; 配置为将电子信号转换成第一二进制信号的第一决定器; 第二判定器，被配置为将所述电子信号转换为第二二进制信号; 判定编码器，被配置为基于所述多个第一二进制信号计算识别信号，并计算所计算的识别信号的可靠性信息; 转换器，被配置为将识别信号和第二二进制信号组合到组合识别信号; 以及控制器，被配置为通过使用所述多个第一判决器中的初始阈值电平来执行所述多个第一判定器中的任何一个中的所述电子信号的初始识别，以测量所述电子信号的平均幅度，并校正所述阈值 基于电子信号的平均幅度的变化，多个第一判定器的电平。