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Journal of Zhejiang University SCIENCE A 2006 Vol.7 No.3 P.321~325

10.1631/jzus.2006.A0321


Performance of a novel carrier frequency offset estimation algorithm for OFDM-based WLANs


Author(s):  Zhao Zhong-wei

Affiliation(s):  Institute of Wireless Communication and Network, Department of Information and Electronic Engineering, Zhejiang Gongshang University, Hangzhou 310035, China

Corresponding email(s):   zhaozzw@mail.hzic.edu.cn

Key Words:  Carrier frequency, OFDM, WLANs, Preamble structure, Acquisition


Zhao Zhong-wei. Performance of a novel carrier frequency offset estimation algorithm for OFDM-based WLANs[J]. Journal of Zhejiang University Science A, 2006, 7(3): 321~325.

@article{title="Performance of a novel carrier frequency offset estimation algorithm for OFDM-based WLANs",
author="Zhao Zhong-wei",
journal="Journal of Zhejiang University Science A",
volume="7",
number="3",
pages="321~325",
year="2006",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2006.A0321"
}

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%T Performance of a novel carrier frequency offset estimation algorithm for OFDM-based WLANs
%A Zhao Zhong-wei
%J Journal of Zhejiang University SCIENCE A
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%P 321~325
%@ 1673-565X
%D 2006
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2006.A0321

TY - JOUR
T1 - Performance of a novel carrier frequency offset estimation algorithm for OFDM-based WLANs
A1 - Zhao Zhong-wei
J0 - Journal of Zhejiang University Science A
VL - 7
IS - 3
SP - 321
EP - 325
%@ 1673-565X
Y1 - 2006
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.2006.A0321


Abstract: 
This paper presents a novel carrier frequency offset estimation (CFO) algorithm for orthogonal frequency division multiplexing (OFDM)-based Wireless Local Area Networks (WLANs). Compared with previous approaches, this paper extends the whole frequency offset acquisition range by embedding a synthetic algorithm according to the preamble structure of WLANs symbols. The numerical results presented support the effectiveness of this algorithm by which the estimation error of the whole carrier frequency offset in the WLANs is effectively decreased.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

[1] Kim, K.Y., Lee, J.Y., Choi, H.J., Kim, H., 2003. Symbol frame synchronization technique for OFDM burst mode Transmission. IEEE Trans. Comm., 56:1761-1771.

[2] Lawrey, E., 1999. Multiuser OFDM. Proceedings of the Fifth International Symposium on Signal Processing and its Applications, ISSPA’99, Brisbane, Australia, p.761-764.

[3] Lawrey, E., Kikkert, C.J., 2001. Maximizing signal strength for OFDM inside buildings. IEEE Transaction on Microwave Theory and Techniques, 49(11):2131-2136.

[4] Li, J., Liu, G., Giannakis, G.B., 2001. Carrier frequency offset estimation for OFDM-based WLANs. IEEE Signal Processing Lett., 8:80-82.

[5] Moose, P.H., 1994. A technique for orthogonal frequency division multiplexing frequency offset correction. IEEE Trans. Commun., 42:2908-2914.

[6] Narayanan, P.S., 2001. Acquisition in OFDM-based WLANs. www.tenet.res.in/Papers/ccs/june/29062001.pdf.

[7] Schmidl, T.M., Cox, D.C., 1997. Robust frequency and timing synchronization for OFDM. IEEE Trans. Commun., 45:1613-1621.

[8] Zhao, Z.W., Li, S.J., 2004a. A Synthetic Carrier Frequency Offset Estimation for OFDM-based WLANs. Proceeding of the Fourth IASTED International Multi-conference on Wireless and Optical Communications, Banff, Canada. p.424060-424065.

[9] Zhao, Z.W., Li, S.J., 2004b. A Novel Blind Estimation Algorithm of Timing Offset for PCC-OFDM System. Proceeding of the Fourth IASTED International Multi-conference on Wireless and Optical Communications, Banff, Canada, p.424065-424072.

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