Potential and pitfalls of multi-armed bandits for decentralized spatial reuse in WLANs
Published in Unknown Venue, 2019
Recommended citation: Francesc Wilhelmi and Sergio Barrachina-Munoz and Boris Bellalta and Cristina Cano and Anders Jonsson and Gergely Neu (2019). Potential and pitfalls of multi-armed bandits for decentralized spatial reuse in WLANs. Unknown Venue. https://www.sciencedirect.com/science/article/pii/S1084804518303655
Abstract: Spatial Reuse (SR) has recently gained attention to maximize the performance of IEEE 802.11 Wireless Local Area Networks (WLANs). Decentralized mechanisms are expected to be key in the development of SR solutions for next-generation WLANs, since many deployments are characterized by being uncoordinated by nature. However, the potential of decentralized mechanisms is limited by the significant lack of knowledge with respect to the overall wireless environment. To shed some light on this subject, we show the main considerations and possibilities of applying online learning to address the SR problem in uncoordinated WLANs. In particular, we provide a solution based on Multi-Armed Bandits (MABs) whereby independent WLANs dynamically adjust their frequency channel, transmit power and sensitivity threshold. To that purpose, we provide two different strategies, which refer to selfish and …