System for transmitting digital information signals

Details System for transmitting digital information signals System for transmitting digital information signals

H - Electricity

04

L

363/11, 325/7

H04L 7/08 (2006.01) H04B 7/185 (2006.01) H04J 3/06 (2006.01)

Patent

CA 1212723

ABSTRACT In a system for transmitting digital information-signals, more particularly for digital sound-transmission through satellites, wherein a synchronizing word precedes the data-sequences, the data-sequence is divided into frames of equal length and each frame is divided into two part-frames. Each part-frame comprises a synchronizing word of the same or equivalent type of equal length. A correlator is provided in each case for chronological recognition of the frame. Code-words are used for synchronization, the code- words comprising a definite maximum of autocorrelation function for the moment T = 0 and the autocorrelation function for all moments T ? 0 being quantita- tively minimal.

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