Performance Evaluation and Robust Optimization of Handoff Algorithms in Heterogeneous Wireless Networks

Provided by: Creative Commons
Topic: Enterprise Software
Format: PDF
The convergence of heterogeneous wireless access technologies has been envisaged to exemplify the next generation wireless networks. In such converged systems, the seamless and efficient handoff between different access technologies (vertical handoff) is crucial and vestiges a challenging issue. The heterogeneous co-existence of access technologies with largely different characteristics results in handoff asymmetry that differs from the traditional intra-network handoff (horizontal handoff) predicament. In the case where one network is preferred, the vertical handoff decision should be carefully executed, based on the wireless channel state, network layer characteristics, as well as application requirements.

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