Cross-Layer Adaptation With Coordinated Scheduling for Heterogeneous Wireless Networks

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Executive Summary

A novel adaptive scheduling with coordination for the performance improvement of delay-sensitive applications over heterogeneous wireless networks is proposed. It can bring such contributes adaptation capabilities at different layers of the protocol stack, and the coordinated scheduling initiation procedure. It uses information from the physical layer and data link layer to determine the appropriate transmission power level and media encoding rate for a connection, or initialize coordinated scheduling. The main contribution of this paper is the integration of the coordinated scheduling initiation into cross-layer mechanism adopting Adaptive Modulation and Coding (AMC) and Automatic Repeat reQuest (ARQ) to improve the overall system performance.

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