NDLI: A cellular network planning technique to minimize exposure to rf radiation

Content Provider	IEEE Xplore Digital Library
Author	Jingyuan Zhang Guangbin Fan
Copyright Year	2004
Description	Author affiliation: University of Alabama (Jingyuan Zhang)
Abstract	In a cellular network, the service coverage area is divided into cells, each of which is served by a base station. Although the cellular network provides great convenience for mobile users, the transmitter at the base station emits radio frequency (RF) radiation which can be harmful to humans nearby. To minimize human exposure to RF radiation, the base stations should be placed as far away from densely populated sites as possible in network planning. The problem to be solved in this paper, referred to as the minimal exposure problem, is abstracted as follows: given a set of sites and a planned cellular network that has a fixed cell size and network orientation but is movable, find a position to deploy the planned network such that the minimal distance between the sites and their corresponding base stations in the deployed network is maximized. To solve the problem, the paper proposes a new geometric diagram called the nearest-point umbrella diagram. The nearest-point umbrella diagram is comparable to the famous nearest-point Voronoi diagram. The Voronoi diagram uses the Euclidian distance between two points whereas the umbrella diagram uses the distance between a point and a cellular network. Based on the umbrella diagram, the minimal exposure problem can be solved in O(n2logn) time if there are n sites to be considered.
Starting Page	338
Ending Page	344
File Size	308924
Page Count	7
File Format	PDF
ISBN	0769521983
ISSN	15302016
DOI	10.1109/ICPPW.2004.1328037
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-08-18
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Land mobile radio cellular systems Radio frequency Base stations Humans Cellular phones Radio transmitters Wireless communication Transceivers FCC Computer science
Content Type	Text
Resource Type	Article

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