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Adaptive Cross-layer QoS for priority-based video streaming over wireless channel

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2 Author(s)
Zhiling Li ; School of Optoelectronic Information & Communication Engineering, Beijing Information Science and Technology University, 100101, China ; Jinhe Zhou

Real-time streaming over wireless networks is a challenging proposition due to the highly variable nature of wireless links and the resource-poor nature of mobile device. In such a context, transmission control schemes have to dynamically adapt both to the application requirements and to the channel conditions. In this paper, we propose an adaptive cross-layer quality-of-service (QoS) scheme for wireless channel and streaming applications. For the sake of adaptive QoS, the Cross-layer architecture assumed that layers information could be exchanged between application layers and lower layers. In addition, priority-based adaptive QoS scheduling for MPEG video streams was proposed here. Simulation results show that our cross-layer architecture allows graceful video degradation while minimizing the mean packet delay and frame jitter. Finally, we outline future cross-layer research of multi-play over IP network.

Published in:

Future Information Networks, 2009. ICFIN 2009. First International Conference on

Date of Conference:

14-17 Oct. 2009