Multiple-Metric Hybrid Routing Protocol for Heterogeneous Wireless Access Networks

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Executive Summary

The wireless multi-hop to an access point model appears to be a promising component of future network architectures, including multi-hop cellular networks and wireless access networks at the edges of mesh networks. Sophisticated software radios and core network protocols are being developed to support the integration of heterogeneous air interfaces within these access networks. A key challenge is managing diverse resources at access points (e.g., 3G, WiFi or WiMax) while discovering efficient multi-hop paths from a source to an access point based on selection criteria specified by various applications or necessitated by network resource constraints.

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