Mobility

A Two-Stage Approach to WLAN Planning: Detailed Performance Evaluation Along the Pareto Frontier

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Executive Summary

This paper proposes an efficient solution to the open problem of network planning for large-scale WLAN deployments. WLAN performance is governed by the CSMA-CA protocol, whose dynamic effects are difficult to capture. Accurate performance evaluation depends on simulations and takes time. A detailed analysis of dozens candidate designs with varying AP positions and channel assignments during network planning is therefore infeasible. In the authors' solution, they first identify few good candidate designs using a multi-criteria optimization model, which features notions of cell overlap and station throughput. These candidate designs are taken from the corresponding Pareto frontier.

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