Feed forward spread spectrum signal processor

Details Feed forward spread spectrum signal processor Feed forward spread spectrum signal processor

H - Electricity

04

J

363/29, 325/3

H04J 13/00 (2006.01) H04B 1/707 (2006.01) H04L 1/04 (2006.01)

Patent

CA 2020455

FEED FORWARD SPREAD SPECTRUM SIGNAL PROCESSOR ABSTRACT A communications receiver for a code division multiple access (CDMA) sat- ellite communication system in which a plurality of data carriers share the same band. A pilot carrier transmits a timing reference used by all receivers to acquire the clock used in timing the code generators, and used as a frequency and phase refer- ence for data detection. This receiver employs a digital signal processor that detects a spread pilot carrier and uses the phase noise on the pilot carrier to subtract the com- munication link phase noise from the data carriers, thus allowing communication at lower signal-to-noise ratios.

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