Apparatus and method for timing recovery in vestigial sibeband m

Details Apparatus and method for timing recovery in vestigial sibeband m Apparatus and method for timing recovery in vestigial sibeband m

1996-09-16

1998-09-01

Britton, Howard

Telecommunications

Receiver or analog modulated signal frequency converter

Vestigial sideband

375270, 375301, 375321, 375373, 455 47, H03C 160, H04B 168, H04H 100

Patent

active

058024611

ABSTRACT:
Apparatus and method (10) for recovering timing information from a vestigial sideband (VSB) modulated signal generate a left hand component signal and a right hand component signal from the received signal, and filters B.sub.1 (f) and B.sub.r (f) (12, 14) filter the left hand and right hand component signals respectively. The filtered signals are then multiplied together without taking the complex conjugate of either signal, as in band edge component maximization (BECM). The generated output signal may be used in a feedback loop to regulate the sample rate of an analog to digital converter (32).

REFERENCES:
patent: 3605017 (1971-09-01), Chertok
patent: 3619785 (1971-11-01), Farrow
patent: 5668831 (1997-09-01), Claydon
patent: 5673293 (1997-09-01), Scarpa

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