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Optimal collaborative access point association in wireless networks

Author(s): Karimi, Ouldooz B; Liu, Jiangchuan; Rexford, Jennifer

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Abstract: The popularity of wireless local area networks has led to a dramatic increase in the density of access points, especially in urban areas. These access points are individually owned, placed, and power-tuned for their local users and are generally oblivious to others. On the other hand, the abundance of access points that mostly share the same upstream provider, offers opportunities for optimization of association to mitigate the negative impact of the overlapped coverage. We use this opportunity to enable collaboration by using a share of each access point's bandwidth to serve non-local users and gain access to their bandwidth in return. We extend the conventional proportional fair association through sharing and collaboration among individual networks, and present centrally optimized solutions. Our performance evaluation, based on data traces collected in 100 residential locations, demonstrate the superiority of our solution, outperforming the throughput of non-collaborative optimal access by up to 140%.
Publication Date: 2014
Citation: Karimi, Ouldooz Baghban, Jiangchuan Liu, and Jennifer Rexford. "Optimal collaborative access point association in wireless networks." In IEEE INFOCOM 2014 - IEEE Conference on Computer Communications (2014): pp. 1141-1149. doi:10.1109/INFOCOM.2014.6848045
DOI: 10.1109/INFOCOM.2014.6848045
Pages: 1141 - 1149
Type of Material: Conference Article
Journal/Proceeding Title: IEEE INFOCOM 2014 - IEEE Conference on Computer Communications
Version: Author's manuscript

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