Spread spectrum communication system

Details Spread spectrum communication system Spread spectrum communication system

1985-12-27

1988-07-26

Masinick, Michael A.

Pulse or digital communications

Repeaters

Testing

375115, 375120, H04B 1500, H04K 100

Patent

active

047605863

ABSTRACT:
Disclosed is a spread spectrum communication system realized by using the frequency hopping coherent detection system wherein such an offset voltage pattern is predetermined by a polynomial is applied to the VCO of the PLL in the receiver thereof, so that the PLL can be operated with a narrow bandwidth because of the narrow bandwidth of the loop filter as well as a decreased loop gain while avoiding tracking break caused by narrow lock range due to the narrow bandwidth of the loop filter as well as the decreased loop gain.

REFERENCES:
patent: 4193030 (1980-03-01), Rabow et al.
patent: 4241447 (1980-12-01), Epstein
patent: 4454604 (1984-06-01), Myers
patent: 4457003 (1984-06-01), Reed
patent: 4494238 (1985-01-01), Groth, Jr.
patent: 4518922 (1985-05-01), Luecke
patent: 4520493 (1985-05-01), Heard et al.
patent: 4608701 (1986-08-01), Burgers et al.

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