一种新的CMA盲多用户检测算法
A new CMA-based blind adaptive multiuser detection
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摘要: 该文提出了一种新的盲自适应多用户检测算法,这种算法的计算复杂度为O(NL),其中N为扩频因子,L为取样数据窗长度。仿真分析表明,该文提出的算法稳态性能好,收敛速度特别快,且能适应环境的变化,是一种较好的多用户检测算法。Abstract: In this paper, a novel blind adaptive multiuser detection is proposed, the computing complex of this algorithm is O(NL), where N is the spread grain, and L is the window length. The simulation shows that this algorithm has good steady state performance and it converges very fast, and can be used when the environment varies, so it is a very good multiuser detection.
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S. Verdu, Multiuser Detection, Cambridge Univer, Press, 1998, Ch. 5-7.[2]U. Madhow, Blind adaptive interference suppresion for direct-sequence CDMA, IEEE Proc, 1995,41(4), 944-960.M. Honig, U. Madhow, S. Verdu, Blind adaptive multiuser detection, IEEE Trans. on IT, 1995,41(4), 944-960.[3]X. Wang, H. V. Poor, Blind multiuser detection: A subspace approach, IEEE Trans. on IT, 1998,44(2), 677-690.[4]M.L. Honig, Orthogonally anchored blind interference suppression using the sato cost criterion,Proc. of 1995 IEEE International Symposium on Information Theory, Chicago, 1995, 314-318. -
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