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Volume 27 Issue 9
Sep.  2005
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WU Zehui, WEI Qiang, REN Kailei, WANG Qingxian. Dynamic Defense for DDoS Attack Using OpenFlow-based Switch Shuffling Approach[J]. Journal of Electronics & Information Technology, 2017, 39(2): 397-404. doi: 10.11999/JEIT160449
Citation: Li Jun, Liao GuiSheng, Guo QingHua. Blind Channel Estimation for Single-Carrier Block Transmission by Exploiting Zero-Padding[J]. Journal of Electronics & Information Technology, 2005, 27(9): 1446-1449.

Blind Channel Estimation for Single-Carrier Block Transmission by Exploiting Zero-Padding

  • Received Date: 2004-04-09
  • Rev Recd Date: 2004-08-11
  • Publish Date: 2005-09-19
  • A subspace-based channel estimation method for Single-Carrier Block Transmission (SCBT) systems is presented, which estimates frequency-selective channel blindly in frequency domain, based on zero-padding technology in SCBT system. Sufficient conditions for identifiability are also given. The performance of this method is better than that of conventional oversampling methods, and it is robust to over-estimated channel order. Finally, computer simulations confirm its efficiency.
  • Wang Z, Giannakis G B. Linearly precoded or coded OFDM against wireless channel fades? in Proc. Workshop Signal Processing Advances in Wireless Communications, Taoyuan,Taiwan, 2001:267 - 270.[2]Scaglione A, Giannakis G B, Barbarossa S. Redundant filterbank precoders and equalizers-Part Ⅰ: Unification and optimal designs[J].IEEE Trans. on Signal Processing.1999, 47(7):1988-[3]Wang Z, Ma X L, Giannakis G B. OFDM or single-carrier block transmissions? IEEE Trans. on Communications, 2004, 52(3):380 - 394.[4]Ding Z, Li Y. On channel identification based on second-order cyclic spectra[J].IEEE Trans. on Signal Processing.1994, 42(5):1260-[5]Moulines E, Duhamel P, Cardoso J, Mayrargue S. Subspace methods for the blind identification of multichannel FIR filters[J].IEEE Trans. on Signal Processing.1995, 43(2 ):516-[6]Serpedin E, Giannakis G B. Blind channel identification and equalization with modulation-induced cyclostationarity[J].IEEE Trans. on Signal Processing.1998, 46(7):1930-[7]Roy S, Li C Y. A subspace blind channel estimation method for OFDM systems without cyclic prefix[J].IEEE Trans. on Wireless Communication.2002, 1(10):572-[8]Cai X, Akansu A N. A subspace method for blind channel identification in OFDM systems. in Proc. ICC2000, New Orleans,LA, 2000:929 - 933.[9]Li C Y, Roy S. Subspace-based blind channel estimation for OFDM by exploiting virtual carrier[J].IEEE Trans. on Wireless Communication.2003, 2(1):141-[10]Czylwik A. Comparison between adaptive OFDM and singlecarrier modulation with frequency-domain equalization, in Proc.Vehicular Technology Conf., Phoenix, AZ, 1997, 2:865 - 869.[11]Scaglione A, Giannakis G B, Barbarossa S. Redundant filterbank precoder and equalizers part Ⅱ: blind channel estimation,synchronization, and direct equalization[J].IEEE Trans. on Signal Processing.1999, 47(7):2007-
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