Mobility

Load-Aware Radio Access Selection in Heterogeneous Terrestrial Wireless Networks

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Executive Summary

Terrestrial wireless network technologies such as UMTS, WiMax and WLAN are used to provide network access for both voice and data services. In big cities the densely populated areas like town centres, shopping centres and train stations which have coverage of multiple wireless networks, a large number of mobile users may be connected to the more common UMTS, thereby creating an unbalanced load across these wireless networks. This high load variation can be balanced by moving mobile users from heavily loaded networks to least loaded networks which involves execution of vertical handovers.

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