Multi Objective Multi Agent Based AccessPoint Selection Mechanism using Fuzzy Logic
Journal Title: International Journal of Management, IT and Engineering - Year 2012, Vol 2, Issue 6
Abstract
The last few years have seen a tremendous increase in the deployment of 802.11 Wireless Local Area Networks (WLANs). The proliferation of wireless users and the promise of converged voice, data and video technology is expected to open new numerous opportunities for 802.11 based WLANs in the networking market.When the WLAN design was first developed in 1990, the model assumes that a WLAN deployment comprises one stand alone Access Point (AP).In fact, such a system provides satisfactory user experience as long as there is few users with relatively light traffic load and one AP. Due to rapid increase of wireless users and the requirement for continuous coverage, multi-AP WLANs now a days span buildings or floors. Some neighboring APs have to be configured on the same channel due to the limited number of channels the 802.11 standard supports.In WLANs often a station can potentially associate with more than one AP. Therefore, a relevant question is which AP to select best from a list of candidate ones. In IEEE 802.11, the user simply associates to the access point with the strongest received signal strength.Hence a multiobjective approach(ie.multiple parameters are considered)and fuzzy based decision making is proposed.Here each node are treated as agent which trying to access best AP.Fuzzy based decision making ensures effective utilization of expert knowledge.
Authors and Affiliations
Vikas K. Soman and Vinodh P. Vijayan
Keywords
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