An efficient timing and frequency synchronization algorithm for OFDMA/TDD mode in downlink of IEEE 802.16-2004

Authors:
Meisam Naderi;Hamidreza Bakhshi;Soroush Akhlaghi;Mehrdad Manaffar
Affiliations:
Department of Electrical Engineering, Shahed University, Tehran, Iran;Department of Electrical Engineering, Shahed University, Tehran, Iran;Department of Electrical Engineering, Shahed University, Tehran, Iran;Department of Electrical Engineering, Shahed University, Tehran, Iran
Venue:
ICACT'10 Proceedings of the 12th international conference on Advanced communication technology
Year:
2010

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Abstract

Timing and frequency synchronization is the important task in receiver. In this paper, an efficient timing and carrier frequency offset (CFO) estimation algorithm for orthogonal frequency division multiple access/ time division duplexing (OFDMA/TDD) mode in IEEE 802.16-2004 standard (WiMAX) is represented. This method has high performance and jointly estimates timing error and CFO. The performance is evaluated in multipath fading channel. This algorithm can be easily used for other OFDM based systems which receiver knows preamble by itself.