Analytic Performability Model of Vertical Handoff in Wireless Networks

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Executive Summary

The next generation wireless systems should support diverge network requirements of application and user with seamless mobility. The single wireless system alone cannot cope up with such requirements of traffic and user with ubiquitous network access. In this scenario next generation wireless systems will allow the user/mobile terminal to freely roam among set of complementary RATs to satisfy the application and user QoS requirements. The process of roaming will involve switching of user and application session between two complementary RATs and this is called as vertical handoff.

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