NDLI: Performance analysis of amplify-and-forward cooperative communication systems with channel estimation errors

Content Provider	IEEE Xplore Digital Library
Author	Yi Wu Patzold, M.
Copyright Year	2008
Description	Author affiliation: Dept. of ICT, Univ. of Agder, Grimstad, Norway (Yi Wu; Patzold, M.)
Abstract	Cooperative diversity is a transmission technique that achieves a diversity gain by using a combination of the relayed signal and the direct signal. In this paper, we study the symbol-error-rate (SER) performance of a cooperative communication system operating in an amplify-and-forward (AF) mode, where the channel state information (CSI) available at the receiver is an estimate of the channel gains with estimation errors. We derive both the probability density function and the moment generating function of the instantaneous signal-to-noise ratio (SNR) at the destination terminal. These statistical quantities are then applied to study the performance of an AF cooperative communication systems. More precisely, an accurate SER expression for AF cooperative communication systems with channel estimation errors is obtained. This result encompasses the performance of AF cooperative communication systems with perfect CSI as a special case. Furthermore, simulation results are presented to verify the correctness of the analytical solutions.
Starting Page	1620
Ending Page	1624
File Size	124569
Page Count	5
File Format	PDF
ISBN	9781424424238
DOI	10.1109/ICCS.2008.4737456
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-11-19
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Performance analysis Channel estimation Diversity methods Relays Channel state information State estimation Performance gain Estimation error Probability density function Signal generators
Content Type	Text
Resource Type	Article

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