NDLI: Performance analysis of multiuser diversity in MIMO channels

Content Provider	IEEE Xplore Digital Library
Author	Ahmed, I.S. Ibnkahla, M.
Copyright Year	2004
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Queen's Univ., Canada (Ahmed, I.S.; Ibnkahla, M.)
Abstract	A central feature of mobile wireless networks is the random fading of the channel strengths of the underlying communication links. Traditionally, fading on wireless channels has been viewed as a form of unreliability that must be mitigated in order to achieve reliable data transfer. A new design principle, known as multiuser diversity, rather harnesses the randomness of this fading in a multiuser environment to improve the performance of the overall system. We develop tractable mathematical models for evaluating the average delay, throughput and symbol error probability (SEP) performances of multiuser diversity systems in MIMO channels. Analytical comparisons with the performances of a conventional round-robin scheme like TDMA are then made. Our results show that with multiuser diversity, there is significant reduction in the average delay that user data packets experience in the network, compared to the TDMA system. It is also observed that throughput and SEP performance for a multiuser diversity system improve as the number of users in the cell increase.
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	1199
Ending Page	1202
File Size	243083
Page Count	4
File Format	PDF
ISBN	0780382536
ISSN	08407789
DOI	10.1109/CCECE.2004.1345336
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	Performance analysis MIMO Fading Throughput Time division multiple access Wireless networks Mobile communication Telecommunication network reliability Mathematical model Delay
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Hardware and Architecture

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