Assessing the WiFi offloading benefit on both service performance and EMF exposure in urban areas
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AuthorBrau, Mathieu; Stéphan, Julien; Díez Fernández, Luis Francisco; Corre, Yoann; Lostanlen, Yves; Agüero Calvo, Ramón
In this paper we assess the benefit of WiFi offloading over dense urban scenarios in terms of both Quality of Service (QoS) and Electromagnetic Field (EMF) exposure. This study relies on results obtained with two complementary simulation platforms: a two-tier dynamic system-level simulator and a 3D coverage-based simulator. Outputs are usual service coverage key performance indicators, handover probability statistics, as well as common and innovative metrics for EMF exposure characterization that jointly take into account the contributions from the base-station and the User-Equipment (UE) transmissions. The main outcome is that, for elastic services, the best QoS and minimum global EMF exposure are jointly achieved with maximum WiFi offloading.