Receiver having decisional feedback equalizer with...

Details Receiver having decisional feedback equalizer with... Receiver having decisional feedback equalizer with...

2006-11-28

2006-11-28

Ghebretinsae, Temesghen (Department: 2611)

Pulse or digital communications

Receivers

Automatic frequency control

C375S348000, C375S233000, C375S350000

Reexamination Certificate

active

07142618

ABSTRACT:
A receiver includes a filter for filtering a received signal to produce a filtered signal. A converter converts the filtered signal to a baseband signal that is substantially free of an initial frequency offset and inter-symbol interference (ISI), responsive to a frequency-offset estimate and a restorative signal that compensates for the ISI. A detector detects symbols in the baseband signal to produce a decision signal. A restorative signal generator generates, from the decision signal, the restorative signal responsive to the frequency-offset estimate, such that the restorative signal compensates for the ISI.

REFERENCES:
patent: 3974449 (1976-08-01), Falconer
patent: 5150380 (1992-09-01), Okanoue
patent: 5499268 (1996-03-01), Takahashi
patent: 6115433 (2000-09-01), de Lantremange
patent: 6347126 (2002-02-01), Nagayasu et al.
patent: 2003/0223489 (2003-12-01), Smee et al.
International Search Report issued Dec. 12, 2002 for Int'l Patent Application No. PCT/US02/17890, 5 pages.

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