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The grid cellular network topology, where every Voronoi cell represents tier's coverage area—distributed as Poisson point process (PPP0, where the black dot represents tier 1, red circle represents tier 2, and the blue dot represents tier 3

The grid cellular network topology, where every Voronoi cell represents tier's coverage area—distributed as Poisson point process (PPP0, where the black dot represents tier 1, red circle represents tier 2, and the blue dot represents tier 3

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The rapid growth of small cells is driving cellular network toward randomness and heterogeneity. Usually, cellular networks are modeled by placing each tier (eg, macro, pico, and relay nodes) deterministically on a grid. In such a heterogeneous cellular network, the rational approach to characterize the base stations (BSs), user, and relay location...

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