NDLI: Applications of maximum likelihood algorithm in asynchronous DS-CDMA systems

Content Provider	IEEE Xplore Digital Library
Author	Pei Xiao Strom, E.
Copyright Year	2002
Description	Author affiliation: Dept. of Signals & Syst., Chalmers Univ. of Technol., Goteborg, Sweden (Pei Xiao; Strom, E.)
Abstract	We treat the problems of propagation delay and channel estimation as well as data detection of orthogonally modulated signals in an asynchronous DS-CDMA system over fading channels using the maximum likelihood (ML) approach. The overwhelming computational complexity of the ML algorithm makes it unfeasible for implementation. The emphasis of this paper is to reduce its complexity by some approximation methods. The derived approximative ML schemes are compared with conventional algorithms as well as some others, e.g., the parallel interference cancellation (PIC) for data detection and the subspace-based algorithm for acquisition.
Starting Page	208
Ending Page	213
File Size	390843
Page Count	6
File Format	PDF
ISBN	0780376277
DOI	10.1109/ISSSTA.2002.1049316
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-09-02
Publisher Place	Czech Republic
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Multiaccess communication Delay estimation Maximum likelihood estimation Fading Maximum likelihood detection Propagation delay Channel estimation Approximation methods Baseband Rayleigh channels
Content Type	Text
Resource Type	Article

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Applications of maximum likelihood algorithm in asynchronous DS-CDMA systems