Mobility

Hierarchical Scanning Algorithm for Integrated Mobile and Nomadic Access Systems

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Executive Summary

In next generation wireless networks, not only wide area cells to provide moderate data rate with full mobility but also local area cells to support high data rate with local mobility will be deployed. In addition, numerous local area cells may be located within the coverage of wide area cells to increase overall network capacity and offer high quality services. In this circumstance, a scanning operation to detect suitable local area cells for handoff can degrade the performance of a mobile station since repeated trials of scanning are likely to cause service disruption and considerable power consumption.

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