WIRED SPREAD SPECTRUM COMMUNICATION EQUIPMENT, ITS COMMUNICATION METHOD, AND WIRED SPREAD SPECTRUM COMMUNICATIONS SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide wired spread spectrum communication equipment for facilitating the establishment of synchronism, and also to provide its communications method, and a wired spread spectrum communications system.;SOLUTION: The transmission unit 20 of the wired spread spectrum communication equipment generates a spread signal based on a prescribed spread code SCs by a spread code generator. A strobe signal generator 32b and a timing gate 35 output the spread signal at each prescribed timing as a synchronizing signal S. An adder 39 superimposes the synchronizing signal S on post-spread information signal DS1-DSn. Then the adder 39 transmits the superimposed information signals DS1-DSn to a transmission line as a transmission signal. Thus, the synchronizing signal S superimposed on the information signals DS 1-DSn is the spread signal which appears at each prescribed timing, so that a sharp correlation peak is provided at each prescribed timing by obtaining correlation between the information signals DS1-DSn and the prescribed spread signal SCs at the reception side of the information signals DS1-DSn.;COPYRIGHT: (C)2003,JPO