NDLI: Performance analysis of the MAP equalizer within an iterative receiver including a channel estimator

Content Provider	IEEE Xplore Digital Library
Author	Sellami, N. Roumy, A. Fijalkow, I.
Copyright Year	2004
Description	Author affiliation: ISECS, Sfax, Tunisia (Sellami, N.)
Abstract	In this paper, we consider an iterative receiver composed of a maximum a posteriori (MAP) equalizer and a MAP decoder. During the iterations, the equalizer and the decoder exchange extrinsic information and use them as a priori in order to improve their performance. We consider here an iterative receiver including a channel estimator. We propose to study analytically the impact of both the a priori information and the channel estimation errors on the equalizer performance. We show that it is equivalent to a shift in terms of signal-to-noise ratio (SNR) and we provide an analytical expression. Simulation results show that the analytical expression we give approximate quite well the equalizer performance.
Starting Page	1698
Ending Page	1702
File Size	545468
Page Count	5
File Format	PDF
ISBN	0780385217
ISSN	10903038
DOI	10.1109/VETECF.2004.1400324
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-09-26
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Performance analysis Equalizers Iterative decoding Channel estimation Analytical models Frequency Iterative algorithms Bit error rate MIMO Signal to noise ratio
Content Type	Text
Resource Type	Article

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Performance analysis of the MAP equalizer within an iterative receiver including a channel estimator