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Volume 28 Issue 2
Aug.  2010
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Guo Li-ting, Zhu Jin-kang. A Cyclostationarity-Based Approach to Blind Channel Identification for an OFDM System[J]. Journal of Electronics & Information Technology, 2006, 28(2): 198-202.
Citation: Guo Li-ting, Zhu Jin-kang. A Cyclostationarity-Based Approach to Blind Channel Identification for an OFDM System[J]. Journal of Electronics & Information Technology, 2006, 28(2): 198-202.

A Cyclostationarity-Based Approach to Blind Channel Identification for an OFDM System

  • Received Date: 2004-08-01
  • Rev Recd Date: 2004-12-23
  • Publish Date: 2006-02-19
  • An approach, which exploits the cyclostationarity of the received signal, to blind channel identification for an OFDM system in frequency selective channel is presented in this paper. First, by utilizing the power distribution of the cyclic autocorrelation function of the received signal, the order of the channel is achieved. Then, the estimated channel is got by identifying its zeros. Finally, simulation results are provided to show that it is superior to the other algorithms.
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  • Giannakis G B, Hua Yingbo, Stoica P, Tong Lang. Signal Processing Advances in Wireless and Mobile Communications, vol.1: Trends in Channel Estimation and Equalization. Beijing:Prentice.Hall PTR, 2002, Chap.1.[2]Gardner W A. Exploitation of spectral redundancy in cyclostationary signals. IEEE Signal Processing Magazine, 1991, 39(14): 14.36.[3]Tong Lang, Xu Guanghan, Hassibi B, Kailath T. Blind channel identification based on second-order statistics: A frequency-domain approach[J].IEEE Trans. on Information Theory.1995, 41(1):329-[4]Tong Lang, Xu Guanghan, Hassibi B, Kailath T. Blind channel identification based on second-order statistics: A time-domain approach[J].IEEE Trans. on Information Theory.1994, 40(2):340-[5]Heath R W Jr., Giannakis G B. Exploiting input cyclostationarity for blind channel identification in OFDM system. IEEE Trans. on Signal Proceesing, 1999, 47(3): 848856. .[6]Van de Beek J J, Edfors O, Sandell M, Wilson S K, Borjesson P O. On channel estimation in OFDM system[J].Proceeding of IEEE VTC95, Chicago, Jul.1995, vol.2:815819-
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