NDLI: Cyclostationary-based diversity combining for blind channel equalization using multiple receive antennas

Content Provider	IEEE Xplore Digital Library
Author	Baro, M. Ilow, J.
Copyright Year	2004
Description	Author affiliation: Dept. of Electr. & Comput. Eng, Dalhousie Univ., Halifax, NS, Canada (Baro, M.; Ilow, J.)
Abstract	At high data rates, radio channels are characterized by severe intersymbol interference (ISI) and deep fades in the received signal levels. This paper develops an integrated approach for the mitigation of these effects using diversity combining and channel equalization in radio systems with multiple receive antennas. To accommodate higher data rates exceeding the channel coherence bandwidth, frequency selective channels are compensated utilizing blind equalization algorithms that exploit the cyclostationary signal structure inherent in communication signals. To mitigate the effects of flat fading, diversity combining is deployed which improves the bit error rate (BER) performance by merging distorted replicas of the transmitted signal in an intelligent fashion. This paper represents an effort in building on the strengths of these two distortion mitigation schemes so as to achieve additional benefit of compensating for channels that could not otherwise be compensated. The proposed combining algorithms are collectively referred to as cyclostationary-based diversity combining (CSDC). Both pre-equalization and post-equalization CSDC schemes are discussed in this paper. Simulation results for the performance of CSDC algorithms are presented.
Sponsorship	Cisco Syst. General Elec. Ryerson Univ. AVFX Audio Visual Bell Canada Dofasco Dye & Durham Gennum Corp. IEEE Canada Found. Univ. of Toronto Niagara College of Appl. Arts and Technol
Starting Page	2375
Ending Page	2378
File Size	311953
Page Count	4
File Format	PDF
ISBN	0780382536
ISSN	08407789
DOI	10.1109/CCECE.2004.1347724
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-05-02
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Diversity reception Blind equalizers Receiving antennas Intersymbol interference Bit error rate Coherence Bandwidth Frequency Fading Merging
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Hardware and Architecture

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