Timing recovery methods for VSB receivers based on a square-law device

This paper presents a timing recovery method for VSB receivers based on a square-law device that uses both in-phase and quadrature-phase signals. Existing timing recovery schemes use second-order statistics of the real component of the VSB signals or rely on the fourth order statistics of the VSB si...

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Bibliographic Details
Published in:IEEE transactions on consumer electronics 2008-05, Vol.54 (2), p.414-416
Main Author: Wonzoo Chung, Wonzoo Chung
Format: Article
Language:English
Subjects:
Bandwidth
Baseband
Carriers
Data mining
Detectors
Devices
Digital filters
Direct current
Electronics
Frequency
Receivers
Recovery
RF signals
Robustness
Statistics
Time measurements
Timing
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Summary:This paper presents a timing recovery method for VSB receivers based on a square-law device that uses both in-phase and quadrature-phase signals. Existing timing recovery schemes use second-order statistics of the real component of the VSB signals or rely on the fourth order statistics of the VSB signal magnitude. We propose an alternative timing recovery approach for VSB signals based on a square-law device that produces a DC tone with carrier phase information and a timing tone with timing frequency information.
ISSN:0098-3063
1558-4127
DOI:10.1109/TCE.2008.4560108