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Average SIR Estimation in Cellular Networks with Best Server Policy

Abstract : The evaluation of the Signal to Interference Ratio (SIR) in cellular networks is of primary importance for network dimensioning. For static studies, which evaluate cell capacity and coverage, as well as for dynamic studies, which consider arrivals and departures of mobile stations (MS), the SIR is always an important input. Contrary to most of the analytical works evaluating SIR, we assume in this paper that the MS is attached to the best server, i.e., to the base station (BS) from which it receives the highest power. This is a policy that is more realistic than the classical assumption that considers MSs to be attached to the nearest BS. The exact formulation of the SIR is however in this case uneasy to handle and numerical methods remain heavy. In this paper, we thus propose an approximate analytical study based on truncated lognormal distributions that provides very close results to Monte Carlo simulations.
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  • HAL Id : hal-01144496, version 1



Mattia Minelli, Marceau Coupechoux, Jean-Marc Kélif. Average SIR Estimation in Cellular Networks with Best Server Policy. IFIP Wireless Days, Oct 2010, Venice, Italy. pp.1-5. ⟨hal-01144496⟩



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