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MC-CDMA系統(tǒng)降維盲空時(shí)信道估計(jì)及信號(hào)檢測(cè)

胡兵 李平安 俞卞章

胡兵, 李平安, 俞卞章. MC-CDMA系統(tǒng)降維盲空時(shí)信道估計(jì)及信號(hào)檢測(cè)[J]. 電子與信息學(xué)報(bào), 2006, 28(8): 1391-1394.
引用本文: 胡兵, 李平安, 俞卞章. MC-CDMA系統(tǒng)降維盲空時(shí)信道估計(jì)及信號(hào)檢測(cè)[J]. 電子與信息學(xué)報(bào), 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系統(tǒng)降維盲空時(shí)信道估計(jì)及信號(hào)檢測(cè)

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

  • 摘要: 該文提出了適用于頻率選擇性瑞利衰落信道中的MC-CDMA系統(tǒng)降維盲空時(shí)信道估計(jì)及信號(hào)檢測(cè)算法。對(duì)接收數(shù)據(jù)矢量進(jìn)行解相關(guān)濾波,得到對(duì)應(yīng)于每個(gè)用戶的無多址干擾(MAI)的降維信號(hào),由白化濾波后的降維數(shù)據(jù)組成的矩陣的秩1近似來進(jìn)行盲信道估計(jì)。將白化濾波后的降維數(shù)據(jù)矢量看作是單用戶的系統(tǒng),研究了迭代最小二乘(ILS)檢測(cè)和最小均方誤差(MMSE)檢測(cè)。仿真結(jié)果驗(yàn)證了該文算法的有效性。
  • 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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出版歷程
  • 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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