Direct-sequence spread-spectrum receiver including code acquisit

Details Direct-sequence spread-spectrum receiver including code acquisit Direct-sequence spread-spectrum receiver including code acquisit

1996-04-09

1998-10-06

Chin, Stephen

Pulse or digital communications

Repeaters

Testing

375207, H04B 1707

Patent

active

058188681

ABSTRACT:
The invention relates to the recognition of a spread spectrum data signal transmitted in code division multiple access communication systems. The invention provides a receiver whose code acquisition and detection circuit includes circuitry configured for detecting the signal received by using an audio adaptive detection threshold generated locally from the output signal of the detection circuit itself. The invention is used for example, in terrestrial or satellite radio communication systems.

REFERENCES:
patent: 4007330 (1977-02-01), Winters
patent: 4943977 (1990-07-01), Uchida et al.
patent: 5263050 (1993-11-01), Sutterlin et al.
patent: 5440597 (1995-08-01), Chung et al.

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