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Journal of Computer Networks and Communications
Volume 2017, Article ID 9319272, 7 pages
https://doi.org/10.1155/2017/9319272
Research Article

Robust Preamble-Based Timing Synchronization for OFDM Systems

1School of Information Science and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
2School of Electronics and Information Engineering, South China University of Technology, Guangzhou 510641, China

Correspondence should be addressed to Hua Yu; nc.ude.tucs@auhuy

Received 19 October 2016; Accepted 14 December 2016; Published 2 January 2017

Academic Editor: Xueqin Jiang

Copyright © 2017 Yun Liu et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

This study presents a novel preamble-based timing offset estimation method for orthogonal frequency division multiplexing (OFDM) systems. The proposed method is robust, immune to the carrier frequency offset (CFO), and independent of the structure of the preamble. The performance of the new method is demonstrated in terms of mean square error (MSE) obtained by simulation in multipath fading channels. The results indicate that the new method significantly improves timing performance in comparison with existing methods.