Pcm communication system

Details Pcm communication system Pcm communication system

H - Electricity

04

J

363/12

H04J 3/18 (2006.01) H04J 3/04 (2006.01)

Patent

CA 1323457

ABSTRACT PCM COMMUNICATION SYSTEM The invention concerns digital communication apparatus for interleaving multiple bit sequences of a predetermined length from a plurality of input signals all at one rate to a single output data stream at a higher rate. Normally the multiple bit sequences will be bytes. The apparatus comprises for each input signal (IN1 - IN4) a first array (10 -13) of means for storing sequentially in series each multiple bit sequence of predetermined length, said arrays (10 - 13) being arranged in parallel, means for reading in parallel each of said stored bit sequences in said arrays into second arrays (90 - 93) of storage means so that the bits of said stored sequences are interleaved, and means (20) for combining the sequences output from said second arrays in such a manner that the output data stream contains said original multiple bit sequences interleaved so that in the final output stream a multiple bit sequence from one input signal is separated from the next multiple bit sequence of that signal by multiple bit sequences from each of the other input signals.

602956

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