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A cross-layer design for transmission of scalable H.264 video over IEEE 802.11e networks

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3 Author(s)
Xiaofeng Li ; Schools of Commun. & Inf. Eng., UESTC, Chengdu, China ; Tonghua Ren ; Jin Xu

A new cross-layer architecture is employed in this paper for the transmission of scalable H.264 video over IEEE 802.11e networks. The architecture enables flexible using of access categories (ACs) for video transmitting based on information of both application and MAC layer. A novel significance-based early detection (SBED) algorithm is proposed, which maximizes the transmission of significant SVC packets. The SBED algorithm allocates each SVC packet to an appropriate AC based on both the significance of data and the traffic load of ACs. Experimental results show that our scheme outperforms the existing schemes of [7] and of [8] with maximum quality gains of 0.8385dB and 1.978dB respectively.

Published in:

Computational Problem-Solving (ICCP), 2010 International Conference on

Date of Conference:

3-5 Dec. 2010