Mobility

Individual Vs. Global Radio Resource Management in a Hybrid Broadband Network

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Executive Summary

Nowadays, with the abundance of diverse air interfaces in the same operating area, advanced Radio Resource Management (RRM) is vital to take advantage of the available system resources. In such a scenario, a mobile user will be able to connect concurrently to different wireless access networks. In this paper, the authors consider the downlink of a hybrid network with two broadband Radio Access Technologies (RATs): WiMAX and WiFi. Two approaches are proposed to load balance the traffic of every user between the two available RATs: an individual approach where mobile users selfishly strive to improve their performance and a global approach where resource allocation is made in a way to satisfy all mobile users.

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