Abstract
In this paper, we propose a new macrocell/microcell selection scheme in a multitier cellular system using sojourn time of microcell overlapped region. The proposed scheme has many advantages such as good performance when the direction of the mobile terminal is varying, efficient user allocation to cells, capability of relatively accurate velocity estimation, easy implementation and low power consumption. Also, comparing the analysis and simulation results with conventional methods, we found that the proposed scheme has better performance than conventional schemes.
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