Preamble acquisition without second order timing loops

Details Preamble acquisition without second order timing loops Preamble acquisition without second order timing loops

2011-01-11

2011-01-11

Bayard, Emmanuel (Department: 2611)

Pulse or digital communications

Receivers

Automatic frequency control

C375S339000

Reexamination Certificate

active

07869547

ABSTRACT:
Timing acquisition is performed. A first portion of a preamble having an end is sampled. A first phase value is determined based on the sampled first portion. A second portion of the preamble is sampled and a second phase value is determined based on the sampled second portion. An end phase value is extrapolated based at least in part the first phase value and the second phase value. A clock is adjusted using the extrapolated end phase value.

REFERENCES:
patent: 6252733 (2001-06-01), Staszewski
patent: 6693872 (2004-02-01), Brewen et al.
patent: 6775084 (2004-08-01), Ozdemir et al.
patent: 2006/0181797 (2006-08-01), Sugawara et al.
patent: 2006/0256464 (2006-11-01), Ozdemir
Xie et al., Analysis of Kalman Filter in Timing Acquisition in Data Storage Read Channels, IEEE Globecom 2005.
Xie et al., Timing Recovery with Imprecise Information, Mar. 2005.

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