Abstract
To find an optimal handover solution of terminal users under heterogeneous wireless networks, Pareto optimum under Nash equilibrium of users' utility and network provider utility is achieved or approached for the found solution. QoS (quality of service) requirements, user preferences to access network coding schemes, user preferences to access network providers, user handoff history record, costs user willing to pay and the profit of suppliers are considered comprehensively in this paper. With introducing the knowledge of fuzzy mathematics and microeconomics, access networks and terminals are described. With the help of gaming analysis, an intelligent handover decision scheme with ABC (always best connected) supported is proposed by using coarse-grained and fine-grained crossover free search based intelligent optimization algorithm. After carrying out simulation and performance evaluation, the results show that the mechanism proposed in this paper is feasible and effective.
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