Apparatus, and associated method, for estimating frequency...

Details Apparatus, and associated method, for estimating frequency... Apparatus, and associated method, for estimating frequency...

2005-12-13

2005-12-13

Nguyen, Lee (Department: 2682)

Telecommunications

Transmitter and receiver at same station

With frequency stabilization

C455S070000, C455S071000, C455S255000, C455S256000, C455S257000, C375S341000, C375S340000, C375S350000

Reexamination Certificate

active

06975839

ABSTRACT:
Apparatus, and an associated method, for facilitating frequency offset estimation between communication stations operable in a communication system. A likelihood polynomial is calculated and provided to a filter. The filter forms a filtered representation of the likelihood polynomial, and the filtered representations are down-sampled by a decimator. A sampled, filtered representation of the likelihood polynomial is thereby obtained. The filtered, sampled representation is applied to a root calculator that calculates the roots of the polynomial, thereafter, to be used to compensate for the frequency offset.

REFERENCES:
patent: 5349607 (1994-09-01), Moreno
patent: 5710792 (1998-01-01), Fukawa et al.
patent: 6353642 (2002-03-01), Asahara et al.
patent: 6389040 (2002-05-01), Viswanathan
patent: 2002/0126618 (2002-09-01), Kim

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