Mobility

Network Selection Decision Based on Handover History in Heterogeneous Wireless Networks

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Executive Summary

In recent years, the mobile devices are equipped with several wireless interfaces in heterogeneous environments which integrate a multitude of Radio Access Technologies (RAT's). The evolution of these technologies will allow the users to benefit simultaneously from these RAT's. However, the most important issue is how to choose the most suitable access network for mobile's user which can be used as long as possible for communication. To achieve this issue, this paper proposes a new approach for network selection decision based on Saaty's Fuzzy Analytical Hierarchy Process (FAHP) and the Technique for Order Preference by Similarity to an Ideal Solution (TOPSIS). The FAHP method is used to determine a weight for each criterion, and the TOPSIS method is applied to rank the alternatives.

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