Abstract

Vertical Handoff Decision Making problem is one of the significant technical issues in the development of Heterogeneous wireless networks. This paper presents a vertical handoff decision algorithm based on game theory approach. In this algorithm, the handoff decision problem is formulated as a non cooperative game between the mobile users and the wireless networks that are available in the vicinity of the mobile user. It considers terminal parameters such as QoS requirements of the mobile application along with the velocity of the mobile terminal. It also considers network parameters such as available bandwidth and cost per bit offered by each network. The algorithm chooses the target network with maximum network utilization that offers services at lower prices.

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