Machine Learning and Software Defined Networks for High-Density WLANs
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Next generation of wireless local area networks (WLANs) will operate in dense and highly dynamic scenarios. In addition, chaotic deployments may cause an important degradation in terms of user's experience due to uncontrolled high interference levels. Flexible network architectures, such as the software-defined networking (SDN) paradigm, will provide to WLANs with new capabilities to deal with users' demands, while achieving greater levels of efficiency and flexibility in those dynamic and complex scenarios. Moreover, the use of machine learning (ML) techniques will improve network resource usage and management by identifying feasible configurations through learning. ML techniques can drive WLANs to reach optimal working points by means of parameter adjustment, in order to cope with different network requirements and policies, as well as with the dynamic conditions. In this paper we overview the work done in SDN for WLANs, as well as the pioneering works considering ML for WLAN optimization. Moreover, we validate the suitability of such an approach by developing a use-case in which we show the benefits of using ML, and how those techniques can be combined with SDN.
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