NDLI: Spectral efficiency of wireless networks with multi-antenna base stations and spatially distributed nodes

Content Provider	IEEE Xplore Digital Library
Author	Govindasamy, S. Bliss, D.W. Staelin, D.H.
Copyright Year	2008
Description	Author affiliation: Franklin W. Olin Coll. of Eng., Needham, MA (Govindasamy, S.)
Abstract	We analyze networks with wireless nodes distributed randomly in space, transmitting simultaneously in the same channel to their nearest base-stations using a simple power control algorithm. Base-stations are on a hexagonal grid and have N optimally-phased antennas. We derive the asymptotic mean upstream spectral efficiency (validated by simulation) as a function of N, wireless-node density, base-station separation, and path-loss-exponent which controls signal attenuation with distance. These results indicate that mean per-link spectral efficiency is constant if the number of receive antennas or density of base-stations is increased linearly with wireless node density. They also improve our understanding of systems like city-wide wireless Internet deployments and mobile telephony with small cells for which the spatial distribution of nodes causing out-of-cell interference is important. The results are also readily extendable to random code-division-multiple-access systems with spreading factor N.
Starting Page	1130
Ending Page	1134
File Size	281401
Page Count	5
File Format	PDF
ISBN	9781424429400
ISSN	10586393
DOI	10.1109/ACSSC.2008.5074590
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-26
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless networks Base stations Interference Space technology Laboratories Internet telephony Antenna arrays Lattices Decoding Educational institutions
Content Type	Text
Resource Type	Article
Subject	Signal Processing Computer Networks and Communications

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