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MC-CDMA系统降维盲空时信道估计及信号检测

胡兵 李平安 俞卞章

胡兵, 李平安, 俞卞章. MC-CDMA系统降维盲空时信道估计及信号检测[J]. 电子与信息学报, 2006, 28(8): 1391-1394.
引用本文: 胡兵, 李平安, 俞卞章. MC-CDMA系统降维盲空时信道估计及信号检测[J]. 电子与信息学报, 2006, 28(8): 1391-1394.
Hu Bing, Li Ping-an, Yu Bian-zhang. Dimension-Reduced Blind Space-Time Channel Estimation and Signal Detection for MC-CDMA System[J]. Journal of Electronics & Information Technology, 2006, 28(8): 1391-1394.
Citation: Hu Bing, Li Ping-an, Yu Bian-zhang. Dimension-Reduced Blind Space-Time Channel Estimation and Signal Detection for MC-CDMA System[J]. Journal of Electronics & Information Technology, 2006, 28(8): 1391-1394.

MC-CDMA系统降维盲空时信道估计及信号检测

Dimension-Reduced Blind Space-Time Channel Estimation and Signal Detection for MC-CDMA System

  • 摘要: 该文提出了适用于频率选择性瑞利衰落信道中的MC-CDMA系统降维盲空时信道估计及信号检测算法。对接收数据矢量进行解相关滤波,得到对应于每个用户的无多址干扰(MAI)的降维信号,由白化滤波后的降维数据组成的矩阵的秩1近似来进行盲信道估计。将白化滤波后的降维数据矢量看作是单用户的系统,研究了迭代最小二乘(ILS)检测和最小均方误差(MMSE)检测。仿真结果验证了该文算法的有效性。
  • Yee N, Linnartz J P, Fettweis G. Multicarrier CDMA in indoor wireless radio networks. Proc. of IEEE PIMRC93, Yokohama, Japan, Sept. 1993: 109.113.[2]Hlard J F, Baudais J Y, Citerne J. Linear MMSE detection technique for MC-CDMA[J].Electronics Letters.2000, 36(7):665-[3]Kim C K, Cho Y S. Performance of a wireless MC-CDMA system with an antenna array in a fading channel: reverse link. IEEE Trans. on Commun., 2000, 48(8): 12571261.[4]Jung P, Kammerlander K, Berens F. On multicarrier CDMA mobile radio systems with joint detection and coherent receiver antenna diversity. Proceeding of the ICUPC, 1996: 61.65.[5]Klein A, Kaleh G K, Baier P W. Zero forcing and minimum mean-square-error equalization for multiuser detection in code-division multiple-access channels[J].IEEE Trans. on Veh. Tech.1996, 45(5):276-[6]Xiaojun W, Qinye Y, Zheng Z. Equivalent spatial-temporal multiuser detection for MC-CDMA systems with uniform linear arrays over frequency-selective fading channels. Proc. of IEEE VTC-2001(Fall), Atlantic City, USA, Oct. 2001: 1279.1283.[7]Honig M L, Goldstein J S. Adaptive reduced-rank residual correlation algorithms for DS-CDMA interference suppression. Proc. of 32nd Asilomar Conf. on Signals, Systems and Computing, Pacific Grove, CA, Nov. 1998.[8]Madhow U, Honig M L. MMSE interference suppression for direct-sequence spread-spectrum CDMA. IEEE Trans. on Commun., 1994, 42(12): 31783188. .[9]Honig M L, Tsatsanis M K. Adaptive techniques for multiuser CDMA receivers. IEEE Trans. on Sig. Proc., 2000, 17(3): 49.61.
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出版历程
  • 收稿日期:  2004-11-10
  • 修回日期:  2005-08-09
  • 刊出日期:  2006-08-19

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