Description: The interworking between heterogeneous third-generation cellular networks and wireless local area networks is one promising evolution approach to fourth-generation wireless networks, which can exploit the complementary advantages of the cellular network and WLANs.. This article deals with a policy framework for resource management in a loosely coupled cellular/WLAN integrated network, where load balancing policies are designed to efficiently utilize the pooled resources of the network. A two-phase control strategy is adopted in the load balancing policy, in which call assignment is used to provide a statistical quality of service guarantee during the admission phase and dynamic vertical handoff during the traffic service phase there by minimizing the performance variations.
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load balancing.doc
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