Digital TV receiver

Details Digital TV receiver Digital TV receiver

2006-07-04

2006-07-04

Pascal, Robert J. (Department: 2817)

Pulse or digital communications

Receivers

Angle modulation

Reexamination Certificate

active

07072425

ABSTRACT:
A digital TV receiver includes an A/D converter converting an analog signal into a digital signal, a carrier recovery converting the digital pass-band signal into a digital base-band signal, and a symbol clock recovery converting digital real/imaginary base-band component signals into OQAM type of real/imaginary component signals, detecting timing error information by performing high pass-band filtering on the OQAM real/imaginary signals, and squaring and adding the filtered value, and for generating and outputting at least two times the frequency of the symbol clock corrected from the detected timing error information.

REFERENCES:
patent: 5673293 (1997-09-01), Scarpa et al.
patent: 5872815 (1999-02-01), Strolle et al.
patent: 6160443 (2000-12-01), Maalej et al.
patent: 6862325 (2005-03-01), Gay-Bellile et al.

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