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International Conference on Rough Sets and Knowledge Technology

RSKT 2009: Rough Sets and Knowledge Technology pp 491–496Cite as

Time Synchronization for OFDM Systems with Narrowband Interference

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Part of the book series: Lecture Notes in Computer Science ((LNAI,volume 5589))

Abstract

In this paper, a novel time synchronization method is proposed for orthogonal frequency division multiplexing (OFDM) system with narrowband interference (NBI). Most of the conventional algorithms estimate time offset in the time domain, thus their performance may be affected by disturbances, such as NBI. The main idea of the proposed method is based on performing time synchronization in the frequency domain using constant amplitude zero autocorrelation (CAZAC) sequences, so as to filter the NBI on the part of the frequency domain. In this case, the proposed method can get sharp synchronization peaks even at low signal-to-interference ratios (SIRs). Simulation results demonstrate better performance using this method than the conventional algorithms in the context of NBI.

This work was supported in part by National Natural Science Foundation of China under Grant No. 60602009.

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Author information

Authors and Affiliations

  1. National Key Lab of Communications, University of Electronic Science and Technology of China, Chengdu, 610054, Sichuan, China

    Yuan Tian, Xia Lei, Yue Xiao & Shaoqian Li

Authors
  1. Yuan Tian
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  2. Xia Lei
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  3. Yue Xiao
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  4. Shaoqian Li
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Editor information

Editors and Affiliations

  1. Faculty of Engineering and Surveying and Engineering, University of Southern Queensland, QLD 4350, Australia

    Peng Wen

  2. School of Information Technology, Queensland University of Technology, QLD 4001, Brisbane, Australia

    Yuefeng Li

  3. Institute of Mathematics, Warsaw University of Technology, Koszykowa 86, 02008, Warsaw, Poland

    Lech Polkowski

  4. Department of Computer Science, University of Regina, S4S 0A2, Regina, Saskatchewan, Canada

    Yiyu Yao

  5. Faculty of Medicine, Department of Medical Informatics, Shimane University, 89-1 Enya-cho, Izumo, 693-8501, Shimane, Japan

    Shusaku Tsumoto

  6. Institute of Computer Science and Technology, Chongqing University of Posts and Telecommunications, Chongqing, China

    Guoyin Wang

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© 2009 Springer-Verlag Berlin Heidelberg

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Cite this paper

Tian, Y., Lei, X., Xiao, Y., Li, S. (2009). Time Synchronization for OFDM Systems with Narrowband Interference. In: Wen, P., Li, Y., Polkowski, L., Yao, Y., Tsumoto, S., Wang, G. (eds) Rough Sets and Knowledge Technology. RSKT 2009. Lecture Notes in Computer Science(), vol 5589. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-02962-2_62

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  • DOI: https://doi.org/10.1007/978-3-642-02962-2_62

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-02961-5

  • Online ISBN: 978-3-642-02962-2

  • eBook Packages: Computer ScienceComputer Science (R0)

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