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10.1109/CMC.2009.175guideproceedingsArticle/Chapter ViewAbstractPublication PagesConference Proceedingsacm-pubtype
Article

Improvement of the Decision-Directed Frequency Tracking Algorithm for OFDM Systems

Published: 06 January 2009 Publication History

Abstract

In this paper, we first analyze a kind of decision-directed frequency tracking algorithm for OFDM systems, and the approximation in derivation of the estimation result, and then we propose an iterative algorithm. In most cases, the frequency offset can be estimated and compensated within one OFDM symbol by using the iterative algorithm. This results in a shortened convergence time. The Cramer-Rao Low Band for the algorithm is derived too, and the simulation results show that the estimation results are close to the Cramer-Rao Low Band.

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cover image Guide Proceedings
CMC '09: Proceedings of the 2009 WRI International Conference on Communications and Mobile Computing - Volume 01
January 2009
585 pages
ISBN:9780769535012

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IEEE Computer Society

United States

Publication History

Published: 06 January 2009

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  1. Cramer-Rao Low Band
  2. Decision-Directed
  3. Frequency Tracking
  4. OFDM Systems
  5. iterative algorithm

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