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In this paper, we present optimization approaches for Access Point (AP)location and frequency assignment, two major planning tasks in deploying Wi-Finetworks. Since APs are relatively cheap, the major concern is networkperformance. We consider a performance metric, referred to as accessefficiency, that captures key aspects of how user devices share access to thewireless medium. We propose a two-step approach to deal with AP location andfrequency assignment in maximizing access efficiency. A novelty of our modelingapproach is to estimate, in the first step of AP location, the impact ofexpected frequency availability on frequency assignment. For each of the twosteps we derive hyperbolic formulations and their linearizations, and wepropose a promising enumerative formulation. Sample results are reported toshow the applicability of the approach.

Modeling and Solving AP Location and Frequency Assignment for Maximizing Access Efficiency in Wi-Fi Networks