Video transmission over TFRC using cross-layer power management

Authors:
Christos Bouras;Apostolos Gkamas;Vaggelis Kapoulas;Vassilis Papapanagiotou;Kostas Stamos;Giannis Zaoudis
Affiliations:
Research Academic Computer Technology Institute, Greece and Computer Engineering and Informatics Dept., University of Patras, Greece;Research Academic Computer Technology Institute, Greece and Computer Engineering and Informatics Dept., University of Patras, Greece;Research Academic Computer Technology Institute, Greece and Computer Engineering and Informatics Dept., University of Patras, Greece;Research Academic Computer Technology Institute, Greece and Computer Engineering and Informatics Dept., University of Patras, Greece;Research Academic Computer Technology Institute, Greece and Computer Engineering and Informatics Dept., University of Patras, Greece;Research Academic Computer Technology Institute, Greece and Computer Engineering and Informatics Dept., University of Patras, Greece
Venue:
SoftCOM'09 Proceedings of the 17th international conference on Software, Telecommunications and Computer Networks
Year:
2009

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Abstract

This paper presents the issues related to efficient transmission of encoded video (such as H.264) over wireless links using the TFRC protocol. It proposes a novel mechanism that utilizes cross-layer approaches for adaptation of the power transmission level of the sender and feedback information regarding the wireless connection status from the receiver for improved transmission statistics and therefore user experience without unnecessary power consumption. The mechanism is tested through simulations using ns2. Compared to the operation of the video transmission without the mechanism, we observe that it has benefits in terms of video quality.