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Analytical Modeling of Heterogeneous Cellular Networks by Sayandev Mukherjee

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1  Introduction

The rapid rate of increase in data traffic means that future wireless networks will have to support a large number of users with high data rates. A promising way to achieve this is by spectrum reuse through the deployment of cells with small range, such that the same time-frequency resources may be reused simultaneously in multiple cells. At the same time, the traditional coverage requirement for wireless users (supporting a modest rate at cell-edge users) is most economically met with cells having large range, i.e. the traditional macrocellular architecture. Thus the wireless cellular networks of the future are likely to be heterogeneous, i.e. have one or more tiers of small cells overlaid on the macrocellular tier.

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