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Title: Joint media streaming optimization of energy and rebuffering time in cellular networks
Author(s): Zhao, Yingchao 
Author(s): Lai, Z.
Cui, Y.
Bao, Y.
Liu, J.
Ma, X.
Issue Date: 2015
Publisher: IEEE
Related Publication(s): 44th International Conference on Parallel Processing (ICPP 2015) Proceedings
Start page: 400
End page: 409
Streaming services are gaining popularity and have contributed a tremendous fraction of today's cellular network traffic. Both playback fluency and battery endurance are significant performance metrics for mobile streaming services. However, because of the unpredictable network condition and the loose coupling between upper layer streaming protocols and underlying network configurations, jointly optimizing rebuffering time and energy consumption for mobile streaming services remains a significant challenge. In this paper, we propose a novel framework that effectively addresses the above limitations and optimizes video transmission in cellular networks. We design two complementary algorithms, Rebuffering Time Minimization Algorithm (RTMA) and Energy Minimization Algorithm (EMA) in this framework, to achieve smoothed playback and energy-efficiency on demand over multi-user scenarios. Our algorithms integrate cross-layer parameters to schedule video delivery. Specifically, RTMA aims at achieving the minimum rebuffering time with limited energy and EMA tries to obtain the minimum energy consumption while meeting the rebuffering time constraint. Extensive simulation demonstrates that RTMA is able to reduce at least 68% rebuffering time and EMA can achieve more than 27% energy reduction compared with other state-of-the-art solutions.
DOI: 10.1109/ICPP.2015.49
CIHE Affiliated Publication: No
Appears in Collections:CIS Publication

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