Robust Preamble-Based Timing Synchronization for OFDM Systems

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.

[1]  Erchin Serpedin,et al.  Coarse frame and carrier synchronization of OFDM systems: a new metric and comparison , 2004, IEEE Transactions on Wireless Communications.

[2]  Hui Zhang,et al.  An Efficient Frequency Offset Estimation Method With a Large Range for Wireless OFDM Systems , 2007, IEEE Transactions on Vehicular Technology.

[3]  Hua Yu,et al.  Robust Timing Estimation Method for OFDM Systems With Reduced Complexity , 2014, IEEE Communications Letters.

[4]  Donald C. Cox,et al.  Robust frequency and timing synchronization for OFDM , 1997, IEEE Trans. Commun..

[5]  Hui Zhang,et al.  Synchronization method based on a new constant envelop preamble for OFDM systems , 2005, IEEE Transactions on Broadcasting.

[6]  Ji-Woong Choi,et al.  Joint ml estimation of frame timing and carrier frequency offset for OFDM systems employing time-domain repeated preamble , 2010, IEEE Transactions on Wireless Communications.

[7]  Marc Moeneclaey,et al.  BER sensitivity of OFDM systems to carrier frequency offset and Wiener phase noise , 1995, IEEE Trans. Commun..

[8]  Hojin Lee,et al.  Timing estimation for OFDM systems by using a correlation sequence of preamble , 2008, IEEE Transactions on Consumer Electronics.

[9]  Mahrokh G. Shayesteh,et al.  Robust Timing and Frequency Synchronization for OFDM Systems , 2011, IEEE Transactions on Vehicular Technology.

[10]  Per Ola Börjesson,et al.  ML estimation of time and frequency offset in OFDM systems , 1997, IEEE Trans. Signal Process..

[11]  Daesik Hong,et al.  A novel timing estimation method for OFDM systems , 2002, Global Telecommunications Conference, 2002. GLOBECOM '02. IEEE.

[12]  Wang Zhi An Improved Timing Estimation Method for OFDM Systems , 2013 .

[13]  Wen-Long Chin ML Estimation of Timing and Frequency Offsets Using Distinctive Correlation Characteristics of OFDM Signals Over Dispersive Fading Channels , 2011, IEEE Transactions on Vehicular Technology.

[14]  Xi Zhang,et al.  Robust Time-Domain Fine Symbol Synchronization for OFDM-Based Packet Transmission Using CAZAC Preamble , 2013, MILCOM 2013 - 2013 IEEE Military Communications Conference.

[15]  Vijay K. Bhargava,et al.  On timing offset estimation for OFDM systems , 2000, IEEE Communications Letters.

[16]  Barry G. Evans,et al.  Robust time-domain timing and frequency synchronization for OFDM systems , 2009, IEEE Transactions on Consumer Electronics.