NDLI: Performance of optimum combining with imperfect channel estimates

Content Provider	IEEE Xplore Digital Library
Author	Basri, A.A. Teng Joon Lim
Copyright Year	2006
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Toronto Univ., Ont. (Basri, A.A.; Teng Joon Lim)
Abstract	This paper studies the impact of imperfect estimation of the desired user's channel as well as the interfering users' channels on the performance of optimum combining for space diversity reception with multiple interferers in a flat Rayleigh fading environment. The probability density function (PDF) of the signal-to-interference ratio (SIR) at the output of the optimum combiner is derived in prior work, assuming Gaussian channel estimation errors. We utilize this PDF expression to derive analytical expressions for some important measures of performance such as the moments of SIR, the outage probability and the average bit error probability for binary differential phase-shift keying and non-coherent frequency-shift keying modulations. These expressions are used to evaluate the performance of the optimum combiner in the presence of channel estimation errors, and are convenient substitutes for time-consuming simulations. The analytical results are verified by Monte Carlo simulations
Starting Page	1338
Ending Page	1343
File Size	167495
Page Count	6
File Format	PDF
ISBN	1424402697
ISSN	15253511
e-ISBN	1424402700
DOI	10.1109/WCNC.2006.1696481
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-04-03
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Diversity reception Rayleigh channels Probability density function Gaussian channels Estimation error Performance analysis Frequency measurement Phase measurement Error probability Differential phase shift keying
Content Type	Text
Resource Type	Article

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