NDLI: The matched-filter bound on optimal space-time processing in correlated fading channels

Content Provider	IEEE Xplore Digital Library
Author	Roy, S. Falconer, D.D.
Copyright Year	2002
Abstract	This paper presents a theoretical analysis of the matched-filter bound on N-branch space-time processing receivers in a frequency-selective correlated fading environment. The development is based on a Karhunen-Loe/spl grave/ve expansion in the frequency domain. Although many other works are based on similar expansions, we present a more general analytical framework in the frequency domain covering Rayleigh and Rician fading scenarios, with and without branch correlations and/or unequal branch powers. The Rician fading scenario is approximated using a Nakagami-m distribution. The branch correlations and unequal branch powers are dealt with through a simple and novel device, the concatenated array-equivalent channel. Likewise, a novel approach is presented that reduces the Rician fading case to an equivalent Rayleigh-fading system. Furthermore, results are presented for different array topologies where correlation characteristics are obtained with the help of a measurement-validated correlation model situated in the local multipoint distribution service band, i.e., the carrier frequency used in the measurements was 29.5 GHz.
Starting Page	2156
Ending Page	2169
Page Count	14
File Size	719597
File Format	PDF
ISSN	15361276
Volume Number	3
Issue Number	6
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-11-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fading Maximum likelihood estimation Intersymbol interference Rician channels Viterbi algorithm Rayleigh channels Frequency domain analysis Frequency measurement Array signal processing Radiofrequency interference space–time processing broadband communication matched-filter bound maximum-likelihood (M-L) sequence estimation
Content Type	Text
Resource Type	Article
Subject	Applied Mathematics Electrical and Electronic Engineering Computer Science Applications

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