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Volume 27 Issue 12
Dec.  2005
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Luo Ming, Yin Qin -ye, Ding Le, Zeng Yan-xing. Recursive Semi-blind Decoding of a Space-Time Block Code in Frequency-Selective Channel[J]. Journal of Electronics & Information Technology, 2005, 27(12): 1942-1946.
Citation: Luo Ming, Yin Qin -ye, Ding Le, Zeng Yan-xing. Recursive Semi-blind Decoding of a Space-Time Block Code in Frequency-Selective Channel[J]. Journal of Electronics & Information Technology, 2005, 27(12): 1942-1946.

Recursive Semi-blind Decoding of a Space-Time Block Code in Frequency-Selective Channel

  • Received Date: 2004-06-14
  • Rev Recd Date: 2004-12-28
  • Publish Date: 2005-12-19
  • In the paper, assuming frequency-selective channel, a recursive semi-blind joint equalization and decoding method for Alamouti space-time block code is proposed. Based on subspace-based blind equalization method, the proposed method sequentially decodes Alamouti space-time block code without channel state information by exploiting the structure of the space-time block code and a few pilot symbols. In contrast with previous block-based blind decoding methods, the proposed method is more amicable to allowing tradeoff between performance and complexity. Simulation results demonstrate the effectiveness and flexibility of the proposed method.
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  • Naguib A F, Seshadri N, Calderbank A R. Increasing data rate over wireless channels[J].IEEE Signal Processing Mag.2000, 17(3):76-92[2]Alamouti S M. A simple transmitter diversity scheme for wireless communications[J].IEEE Journal on Selected Areas in Communications.1998, 16(8):1451-1458[3]Tarokh V, Jafarkhani H, Calderbank R. Space-time block codes from orthogonal designs[J].IEEE Trans. on Info. Theory.1999, 45(5):1456-1467[4]Liu Z, Giannakis G B, Scaglione A, et al. Decoding and equalization of unknown multipath channels based on block precoding and transmit-antenna diversity. Conference Record of the Thirty-Third Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, CA, USA, 1999. 1557-1561.[5]Zhou Shengli, Muquet B, Giannakis G B. Subspace-based (semi-)blind channel estimation for block precoded space-time[6]OFDM. IEEE Trans. on Signal Processing, 2002, 50(5): 1215-1227.[7]Leus G,Swindlehurst A L. Blind and semi-blind equalization for generalized space-time block codes[J].IEEE Trans. on Signal Processing.2002, 50 (10):2489-2498[8]Zhao Z, Yin Q Y, Zhang H. Decoding of full rate space-time block code without channel state information in frequency[9]selective fading channels, Proc. IEEE ICASSP 2003, Hong Kong, May 2003, vol.5: 121-124.[10]Gunther J H, Swindlehurst A L. Recursive blind symbol estimation of convolutionally coded cochannel signals[J].IEEE Trans. on Signal Processing.2000, 48(10):956-965
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