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Analysis on Staleness-Aware Mechanisms of Real-Time Transport Protocols in WPANs

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Executive Summary

Supporting real-time data transport in highly dynamic conditions, which arise in wireless and mobile ad hoc networks is challenging. The significant variations in link bandwidth and latency undermine the quality of real-time applications by introducing congestion and delay jitters. For such applications data is only useful before its lifetime expires. In this paper, the authors investigate a staleness-aware mechanism for real-time multimedia flows, where the system can decide if the respective frame is eligible or not for transmission, namely, if it can be entirely transmitted before its lifetime expires.

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