NDLI: Application of APES to adaptive arrays on the CDMA reverse channel

Content Provider	IEEE Xplore Digital Library
Author	Russell, D.J. Palmer, R.D.
Copyright Year	1967
Abstract	This work compares the performance of various beamforming algorithms for the mitigation of multiple access interference in adaptive array code-division multiple-access (CDMA) systems. The Fourier and linear constrained minimum variance (LCMV) methods are both well-known algorithms for beamforming. While the LCMV method has many advantages, it can result in high noise gain under certain conditions. The recently developed amplitude and phase-estimation (APES) method has been shown to have better noise-gain performance. The APES filter is derived for the spatial case and simulation results are compared to those of both Fourier and LCMV under various scenarios of the CDMA reverse channel. Further, the effects of the use of multiple constraints on the beam pattern of LCMV and APES are investigated.
Sponsorship	IEEE Vehicular Technology Society
Starting Page	3
Ending Page	17
Page Count	15
File Size	977330
File Format	PDF
ISSN	00189545
Volume Number	53
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Adaptive arrays Multiaccess communication Multiple access interference Signal processing AWGN Array signal processing Interference constraints Frequency synchronization Delay Statistics
Content Type	Text
Resource Type	Article
Subject	Applied Mathematics Automotive Engineering Computer Networks and Communications Electrical and Electronic Engineering Aerospace Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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