Spread spectrum communication apparatus utilizing a phase differ

Details Spread spectrum communication apparatus utilizing a phase differ Spread spectrum communication apparatus utilizing a phase differ

1995-12-08

1998-09-22

Chin, Stephen

Pulse or digital communications

Repeaters

Testing

375208, H04B 1707

Patent

active

058125922

ABSTRACT:
A spread spectrum reception apparatus generates a local reference code and a timing signal having 1/2 the period of the reference code. Correlation calculation between a received spread spectrum signal and the local reference code is performed. Upon reception of the correlation calculation result, a peak detector detects a correlation peak signal. The rate of a code generation clock is adjusted in accordance with the phase difference between the timing signal and the correlation peak signal to perform de-spread processing of the received signal.

REFERENCES:
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patent: 5090023 (1992-02-01), Watanabe et al.
patent: 5260969 (1993-11-01), Kato et al.
patent: 5313490 (1994-05-01), Schramm et al.
patent: 5426666 (1995-06-01), Kato
patent: 5452327 (1995-09-01), Barham et al.
patent: 5495509 (1996-02-01), Lundquist et al.

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