Matched filter system

Details Matched filter system Matched filter system

1996-11-07

1998-12-01

Chin, Stephen

Pulse or digital communications

Repeaters

Testing

375343, H04B 1500

Patent

active

058449370

ABSTRACT:
The present invention solves the conventional problems and has an object to provide a matched filter system of high process in speed, a small size and low electric power consumption. The matched filter circuits of each matched filter set is allocated different n combinations of M
digits selected from the M length PN code sequence picking one out of every n digits, cyclically performs sampling every 1 chip time duration the input signals to be inputted to each set constructed by matched filter circuits by n sets each of which including n matched filter circuits, and calculates the sum of outputs of all matched filter circuits.

REFERENCES:
patent: 5352301 (1994-10-01), Mitzlaff
patent: 5757845 (1998-05-01), Fukawa et al.
patent: 5757870 (1998-05-01), Miya et al.
"Development of Low Power Consumption LSI for SS Communication," Tanaka et al., Technical Report of IEICE, SST95-77 (1995-10).
"Development of 1 Chip SS Communication LSI Using Digital Matched Filters," Ogawa et a., Technical Report of IEICE, ISEC94-92, SST94-65 (1994-12).
Dual 64- TAP, 11 Mcps Digital Matched Filter/Correlator, STEL-3310, Stanford Telecommunication, 1990.

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