IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543
LETTER
Joint blind estimation of symbol timing offset and carrier frequency offset for OFDM systems with I/Q imbalance
Tao LiuXianwei Zhou
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JOURNALS FREE ACCESS

2009 Volume 6 Issue 8 Pages 443-448

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Abstract

In this paper, we present a blind algorithm for joint estimation of symbol timing offset (STO) and carrier frequency offset (CFO) for orthogonal frequency division multiplexing (OFDM) systems with I/Q imbalance. The proposed algorithm exploits the cyclostationarity of OFDM signals and relies on second-order statistics only. Estimation performance of the algorithm is evaluated by simulation and the results obtained in some typical scenarios are provided to show its effectiveness.

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© 2009 by The Institute of Electronics, Information and Communication Engineers
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