Mobility

Routing Metrics for Minimizing End-to-End Delay in Multi-Radio Multi-Channel Wireless Networks

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Executive Summary

This paper studies how to select a path with the minimum expected End-to-End Delay (EED) in a Multi-Radio Multi-Channel (MRMC) wireless mesh network. While the existing studies mainly focus on the packet transmission delay due to Medium Access Control (MAC), their new EED metric further takes into account the queuing delay at the MAC layer. In particular in the MR-MC context, the authors develop a generic iterative approach to compute the Multi-Radio Achievable Bandwidth (MRAB) for a path, taking the impact of inter-/intra-flow interference and space/channel diversity into consideration.

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