Network Selection in Heterogeneous Wireless Environment: A Ranking Algorithm

Vertical handoff decision algorithms facilitate the terminal to be connected to the network which suffice the requirements of the application. It ushers the terminal to be connected to the most optimum network amongst those in the purview of the mobile terminal. The selection criterion involves multiple attributes. Although many ranking algorithms have been proposed, there is a need to lay a stress on the user requirements and the terminal power consumption. In this paper we propose a ranking algorithm keeping in view the user preferences and the application priorities. Having a close proximity with TOPSIS algorithm, the idea proposed overcomes the ranking abnormalities and scores high on efficiency.