Linear interference cancellation in CDMA systems and large deviations of the correlation matrix eigenvalues

A.C. Fey - den Boer, R.W. Hofstad, van der, M.J. Klok

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Abstract

We analytically compute a measure of performance of various linear Parallel Interference Cancellation (PIC) decoding schemes in the infinite stage limit, for moderately loaded CDMA systems without AWGN, or with a sufficiently small amount of AWGN. This measure is the exponential rate of the BEP, which does not involve Gaussian approximations. We obtain these rates using large deviation theory for the eigenvalues of the code correlation matrix. We find that the decorrelator performs best, followed by infinitestage SD-PIC, which is found to perform better than infinite stage HD-PIC.
Original languageEnglish
Title of host publication10th symposium on Communications and vehicular technology in the Benelux, Eindhoven University of Technology, The Netherlands, 13 November 2003
Place of PublicationEindhoven
PublisherTechnische Universiteit Eindhoven
Publication statusPublished - 2003

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