公开(公告)号：JPS54149416A

公开(公告)日：1979-11-22

申请号：JP5794278

申请日：1978-05-16

Applicant: Nippon Telegr & Teleph Corp ,  Toshiba Corp

Inventor： KINOSHITA KOUTA ,  SUGIYAMA FUMIO ,  ASAKAWA SHIGERU ,  NAKAMURA MAKOTO ,  OKAI TSUKASA

IPC: H04L5/22 ,  H04J3/06 ,  H04L7/10 ,  H04L9/12

CPC classification number: H04J3/06

Abstract: PURPOSE:To establish accurately and easily synchronization at an arbitrary point even in the communication line having a large error rate by an easy detection, namely, discrimination of the second synchronizing signal based on the discrimination result of the first synchronizing signal. CONSTITUTION:Synchronous information of one frame consisting of the first synchronizing signal A of a code, which consists of peculiar code arrangement set previously between the transmission side and the receiving side, and the second synchronizing signal B indicating the position signal of the first synchronizing signal is transmitted periodically prescribed-number times. In the receiving side, when the first synchronizing signal of one frame is detected correctly, signal synchronization is established on a basis of discrimination of the second synchronizing signal, thereby obtaining the communication synchronous system.

Abstract translation: 目的：通过简单的检测，即通过第一同步信号的鉴别结果判别第二同步信号，即使在具有较大误码率的通信线路中，也可以在任意点准确地，容易地进行同步化。 构成：由代码的第一同步信号A构成的一帧的同步信息，其由先前在发送侧和接收侧之间设置的特殊代码排列组成，第二同步信号B指示第一同步信号的位置信号 周期性地传送规定次数。 在接收侧，当正确检测到一帧的第一同步信号时，基于对第二同步信号的鉴别建立信号同步，从而获得通信同步系统。