Broadband communications system

Details Broadband communications system Broadband communications system

1994-02-28

1995-12-12

Swann, Tod R.

Pulse or digital communications

Repeaters

Testing

380 33, 380 34, 367117, H04J 1300

Patent

active

054757070

ABSTRACT:
A signal of bandwidth F.sub.max is unambiguously transmitted over a datalink having a bandwidth less than F.sub.max by subdividing the signal into a plurality of subspectrums and bandshifting the subspectrums greater than the datalink bandwidth to baseband. Each bandshifted subspectrum is uniquely encoded using a different pilot tone which can be detected by the receiver to decode the receive signal and unambiguously recover the narrowband spectrum components.

REFERENCES:
patent: 3967066 (1976-06-01), Mathes
patent: 4905221 (1990-02-01), Ichiyoshi
patent: 4962488 (1990-10-01), Dell-Imagine et al.
patent: 5063560 (1991-11-01), Yerbury et al.
patent: 5278837 (1994-01-01), Kelley
patent: 5319672 (1994-06-01), Sumiya et al.

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