Abstract
Reuse partitioning (RP) is a simple technique that can be used to increase the traffic capacity in a cellular system. With RP, a cell is divided into several concentric regions, each associated with a different cluster size. In this article, a traffic model is developed to analyze the impact of mobile users on a two-region RP system using fixed channel assignment. The influence of user speed and cell size on the new call blocking probability, Pb, and the call dropping probability, Pd, is investigated. A simpler model that can be used to estimate Pb and Pd in some cases is described. The effect on system capacity of reserving some channels for handoff calls is also studied. It is found that even though prioritized handoff can reduce Pd, it may also degrade the capacity. The accuracy of the analysis is verified using simulation for three mobility models.
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