Performance tradeoffs in mobile computing: to fetch or not to fetch?
Proceedings of the 5th ACM international workshop on Mobility management and wireless access
Arrival Process-Controlled Adaptive Media Playout for Video Streaming
FMN '09 Proceedings of the 2nd International Workshop on Future Multimedia Networking
NETWORKING'11 Proceedings of the 10th international IFIP TC 6 conference on Networking - Volume Part I
QoS Stochastic Traffic Engineering for the wireless support of real-time streaming applications
Computer Networks: The International Journal of Computer and Telecommunications Networking
Stochastic traffic engineering for real-time applications over wireless networks
Journal of Network and Computer Applications
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Media streaming applications over wireless links face various challenges, due to both the nature of the wireless channel and the stringent delivery requirements of media traffic. In this paper, we seek to improve the performance of media streaming over an interference-limited wireless link, by using appropriate transmission and playout control. In particular, we choose both the power at the transmitter and the playout scheduling at the receiver, so as to minimize the power consumption and maximize the media playout quality. We formulate the problem using a dynamic programming approach, and study the structural properties of the optimal solution. We further develop a justified, low-complexity heuristic that achieves significant performance gain over benchmark systems. In particular, our joint power-playout heuristic outperforms: 1) the optimal power control policy in the regime where power is most important and 2) the optimal playout control policy in the regime where media (playout) quality is most important; furthermore, this heuristic has only a slight performance loss as compared to the optimal joint power-playout control policy over the entire range of the investigation