Estimating doppler frequency in ISDB-T systems

Details Estimating doppler frequency in ISDB-T systems Estimating doppler frequency in ISDB-T systems

2011-06-28

2011-06-28

Corrielus, Jean B (Department: 2611)

Pulse or digital communications

Receivers

Particular pulse demodulator or detector

C342S099000

Reexamination Certificate

active

07970083

ABSTRACT:
A technique for estimating maximum Doppler frequency of a wireless signal in a wireless communication system, wherein the method comprises receiving a wireless signal; determining an impulse response of the received wireless signal; determining an auto-correlation function (ACF) value of the impulse response of the received wireless signal; determining a power spectrum density of said received wireless signal based on the ACF value; and selecting an algorithm for performing demodulation of the received wireless signal by utilizing the determined power spectrum density.

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patent: 6922452 (2005-07-01), Sandberg
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patent: 2004/0125012 (2004-07-01), Okamura et al.
patent: 2006/0079184 (2006-04-01), Do et al.

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