NDLI: Blind adaptive CDMA receivers based on independent component separation with user-and-delay identification

Content Provider	IEEE Xplore Digital Library
Author	Shouhong Zhu Arasaratnam, P. Constantinides, A.G.
Copyright Year	2002
Description	Author affiliation: Dept. of Electr. & Electron. Eng., Imperial Coll., London, UK (Shouhong Zhu; Arasaratnam, P.; Constantinides, A.G.)
Abstract	In this paper, new blind adaptive CDMA receivers based on independent component separation with user-and-delay identification are presented for practical multipath channel environments. The proposed cost functions are globally convergent and the obtained weight matrices at the global minima are in the vicinity of the inverse of the contribution matrix, to within a phase and/or permutation ambiguity. The proposed user-and-delay. identification, which is performed periodically on the obtained weight matrix, can distinguish with high probability the filter that corresponds to the desirably delayed data symbol bit of the user of interest. Analyses and simulations demonstrate that the presented blind adaptive receivers have higher user-and-delay identifiable capacity, and can achieve fast convergence speed and high steady state performance at low computational complexity.
Sponsorship	Chinese Inst. Electron. IEEE Signal Process. Soc. IEEE URSI IEEE Beijing Sect. Nat. Natural Sci. Found. China China Committee for URSI IEEE Comput. Soc. Beijing Chapter IEEE SP Soc. Beijing Chapter
Starting Page	1275
Ending Page	1278
File Size	268432
Page Count	4
File Format	PDF
ISBN	0780374886
DOI	10.1109/ICOSP.2002.1180024
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-08-26
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Multiaccess communication Multipath channels Cost function Filters Delay Performance analysis Computational modeling Analytical models Convergence Steady-state
Content Type	Text
Resource Type	Article

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