H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 9/20 (2006.01) H04J 3/06 (2006.01) H04L 25/03 (2006.01) H04L 25/49 (2006.01)
Patent
CA 2072260
In a data communication system a signal is coded with n-bit codewords, where n is an integer. The codewords are convert- ed to a serial bit-stream and scrambled using a PRBS (pseudo-random binary sequence) from a PRBS generator (4). The PRBS sequence has a length n x m where m is an integer. At a receiver the serial data is descrambled using a corresponding binary se- quence from a PRBS generator (5) matched to that in the transmitter. The descrambled data is decoded in a decoder (6) in syn- chronism with the binary seqUence in the generator (5) thereby maintaining word alignment between the transmitter and the re- ceiver.
Cook Andrew Robert John
Faulkner David Wynford
British Telecommunications Public Limited Company
Gowling Lafleur Henderson Llp
LandOfFree
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