Abstract
The mobile cellular network coverage is normally represented by means of hexagonal topology. This structure is useful for planning frequency reuse but not appropriate for the analysis of coverage and traffic operations as handoff, paging and registration. This paper presents the service area coverage of a cellular network as an ordered order-k multiplicatively weighted Voronoi diagram. Radio parameters such as antenna height, transmission power and specific-environment propagation characteristics are used as the basis to define the proximity rule in order to generate the Voronoi diagram. The cell boundaries are the edges of the Voronoi diagram. They are defined by comparison of the radii of adjacent cells. The proximity between a mobile and a base station is determined by means of a Euclidean distance weighted by propagation parameters.
Highlights
I N A MOBILE cellular network, a mobile station (MS) is connected to the closest base station (BS) according to the system quality requirements as the received power, the signal to noise ratio (SNR) or the bit error rate (BER)
The coverage map of a cellular network is used to plan coverage and traffic operations. This map can be superimposed to the map of the city, combining geographic data with radio coverage
Some traffic operations including handoff, registration, paging and outage are closely related to the proximity between BSs
Summary
I N A MOBILE cellular network, a mobile station (MS) is connected to the closest base station (BS) according to the system quality requirements as the received power, the signal to noise ratio (SNR) or the bit error rate (BER). Hills, buildings, tunnels, arboreous zones, footbal stadium, highways, etc, compose the space information used in planning traffic operations and coverage. These elements have influence on time of processing traffic operations and on processing time of the Mobile Switching Center (MSC).
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