The design and calculation of algorithm for optimizing vertical handover performance

In this paper, we address the problem of Vertical Handover (VHO) connection failure which occurs when a handover is initiated but a target network does not have sufficient resources to complete it. Thus it is important to identify Radio Access Technologies (RATs) list of priority for this purpose. We propose a new algorithm using fuzzy logic called Imperative Alternative Media Independent Handover for VHO (I AM 4 VHO), to provide low connection failure (probability of session rejection) for enhancing VHO in heterogeneous wireless networks environment. Finally, the calculation of the proposed algorithm shows that the probability of minimizing VHO connection failure is reduced.