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多徑CDMA信道下一種改進(jìn)的RLS空時接收機

鄭建忠,  焦李成,  李夏

鄭建忠, 焦李成, 李夏. 多徑CDMA信道下一種改進(jìn)的RLS空時接收機[J]. 電子與信息學(xué)報, 2003, 25(4): 495-502.
引用本文: 鄭建忠, 焦李成, 李夏. 多徑CDMA信道下一種改進(jìn)的RLS空時接收機[J]. 電子與信息學(xué)報, 2003, 25(4): 495-502.
Zheng Jianzhong, Jiao Licheng, Li Xia. A novel rls space-time receiver in multi-path cdma channel[J]. Journal of Electronics & Information Technology, 2003, 25(4): 495-502.
Citation: Zheng Jianzhong, Jiao Licheng, Li Xia. A novel rls space-time receiver in multi-path cdma channel[J]. Journal of Electronics & Information Technology, 2003, 25(4): 495-502.

多徑CDMA信道下一種改進(jìn)的RLS空時接收機

A novel rls space-time receiver in multi-path cdma channel

  • 摘要: 該文首先在碼片匹配濾波的基礎(chǔ)上提出一種次優(yōu)的數(shù)據(jù)選擇方案，并分析了它對多址干擾與字符間干擾的影響；接著在此基礎(chǔ)上提出了基于約束RLS的盲空時多用戶檢測算法，最后通過仿真實驗驗證了所提出的方法的有效性。
    Abstract: This paper presents a sub-optimal data-selected scheme based on chip-matched filter for the multi-user receiver in multi-path CDMA channels, and studies the impact of this scheme on Multiple-Access Interference (MAI) and Inter-Symbol Interference (ISI). Then, the Recursive Least-Square (RLS) blind space-time multi-user detection based on the constrained condition is presented. Finally, the results of the simulations illustrate that the presented method is effective.
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  • S. Verd,Multiuser Detection, Cambridge, U.K: Cambridge Univ. Press, 1998, Chapter 4, 5, 6,7.[2]A.J. Paulaj, C. B. Papadias, Space-time processing for wireless communication, IEEE Signal Processing Magazine, 1997, 14(11), 49-83.[3]M. Honig, H. V. Poor, Adaptive Interference Suppression, Wireless Communications, Signal Processing Perspectives, H. V. Poor and G. W. Wornnell, Eds. Upper Saddle River, NJ: Prentice-Hall,1998, 64-128.[4]S. Miller, S. C. Schwartz, Integrated spatial-temporal detectors for asynchronous Gaussian multiple access channels, IEEE Trans. on Commun., 1995, COMM-43(2/3/4), 396-411.[5]M. Honig, U. Madhow, S. Verdu, Blind adaptive multiuser detection, IEEE Trans. on Inform.Theory, 1995, 41(7), 944-960.[6]Xiaodong Wang, H. V. Poor, Space-time multiuser detection in multipath CDMA channels, IEEE Trans. on Signal Processing, 1999, 47(9), 2356-2374.[7]S. Haykin, Adaptive Filter Theory [M], 3rd ed. Englewood Chffs, NJ: Prentice-Hall, 1996, Chapter 13.[8]O.L. Frost, An algorithm for linearly constrained adaptive array processing, Proc. IEEE, 1995,83(8), 926-935.[9]陳寶林,最優(yōu)化理論與算法,北京,清華大學(xué)出版社,1989,449-460.[10]P. Comon, G. H. Golub, Tracking a few extreme singular values and vectors in signal processing,Proc. IEEE, 1990, 78(8), 1327-1343.
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出版歷程
  • 收稿日期:  2001-11-20
  • 修回日期:  2002-05-15
  • 刊出日期:  2003-04-19

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