The Impact of End-to-end vs. Link-layer Mechanisms on Real-Time Performance over Wireless Links

Authors:
Panagiotis Papadimitriou;Vassilis Tsaoussidis;Ageliki Tsioliaridou
Affiliations:
Demokritos University, Greece;Demokritos University, Greece;Demokritos University, Greece
Venue:
AINA '06 Proceedings of the 20th International Conference on Advanced Information Networking and Applications - Volume 01
Year:
2006

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Performance evaluation of real-time transport with link-layer retransmissions in wired/wireless networks

Journal of Mobile Multimedia

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Abstract

We evaluate selected research proposals towards the efficient real-time QoS management over wireless links. We mainly focus on real-time performance of link- and transport-level mechanisms that bind operationally wired and wireless links. Employing a new metric for the evaluation of real-time performance we demonstrate that there are occasions where increased goodput does not correspond to real-time performance gains. In the sequel, we exploit further the potential of transport layer approaches.