Abstract
Signal-to-interference ratio (SIR) is very important for performance analysis of cellular networks. To maintain tractability, interference field is often modeled as a homogeneous Poisson Point Process (PPP). PPP falls short in modeling the effect of interference management techniques, which typically introduces some form of spatial interaction among base stations. In this paper, we studies the coverage performance of heterogeneous cellular network modeled by Poisson Hole Process with the use of ASAPPP method, which stands for “approximate SIR analysis based on the Poisson point process. The concrete expression of the SIR gain GPHP of PHP model is derived through simulation and data fitting. The approximate coverage probability of PHP model is obtained by scaling the SIR threshold $\theta$ of PPP model to $\theta/\mathrm{G}_{\mathrm{PHP}}$ . Simulation results verify the correctness of theoretical analysis and the effectiveness of approximated gain.
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