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24 August 2006 Effect of parameterization and joint layer control for video streaming over wireless network
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Abstract
The effect of parameterization combined with joint layer control for video streaming over wireless IEEE 802.11 network is presented in this paper. We describe an architecture that provides the cross-layer optimization and prioritization of the video streaming. The proposed approach allows us to assign various parameter sets to each priority class independently. We examine the performance of the FEC mechanism available at the application layer for the efficient and robust transmission of MPEG-coded video over IEEE 802.11a WLANs. Besides, we develop a joint-layer control policy to reduce bandwidth consumption and maximize the received video quality by investigating and dynamically selecting the optimal combination of application-layer FEC, interleaving depth, UDP packet size and MAC retransmission rate. The performance of the proposed concept will be shown by carrying out experiments in real wireless networks. The results demonstrate that even a small number of parameters utilized in the optimization process have a significant influence on the received video quality and resources consumption.
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Mikhail Pozhenko, Sang-bum Suh, Sungkwan Heo, and Jaewook Lee "Effect of parameterization and joint layer control for video streaming over wireless network", Proc. SPIE 6312, Applications of Digital Image Processing XXIX, 63120O (24 August 2006); https://doi.org/10.1117/12.686419
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