Mobility

Multi-Service Load Sharing for Resource Management in the Cellular/WLAN Integrated Network

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Executive Summary

With the interworking between a cellular network and Wireless Local Area Networks (WLANs), an essential aspect of resource management is taking advantage of the overlay network structure to efficiently share the multi-service traffic load between the interworked systems. In this paper, the authors propose a new load sharing scheme for voice and elastic data services in a cellular/WLAN integrated network. Admission control and dynamic vertical handoff are applied to pool the free bandwidths of the two systems to effectively serve elastic data traffic and improve the multiplexing gain. To further combat the cell bandwidth limitation, data calls in the cell are served under an efficient service discipline, referred to as Shortest Remaining Processing Time (SRPT).

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