Title :
Cross-layer optimization for video streaming over Wireless Multimedia Sensor Networks
Author :
Zhang, Junjie ; Ding, Jia
Author_Institution :
Key Lab. of Specialty Fiber Opt. & Opt. Access Network, Shanghai Univ., Shanghai, China
Abstract :
This paper proposes a cross-layer optimization method for video streaming over Wireless Multimedia Sensor Networks (WMSNs). It is based on an algorithm that dynamically maps MPEG-4 video packets to 802.11s appropriate access categories. In 802.11s mesh networks, packets are differentiated and higher priorities are given to forward packets. When queue length of AC2 fills up, forward packets are remapped to lower access category AC1. The simulation results show that this optimization method can improve the performance of forward video sequences.
Keywords :
multimedia communication; telecommunication standards; video coding; video streaming; wireless sensor networks; IEEE 802.11s; MPEG-4 video packets; cross-layer optimization; forward packets; forward video sequences; mesh networks; queue length; video streaming; wireless multimedia sensor networks; Analytical models; Transform coding; 802.11s; MPEG-4; WMSNs; access category; cross-layer;
Conference_Titel :
Computer Application and System Modeling (ICCASM), 2010 International Conference on
Conference_Location :
Taiyuan
Print_ISBN :
978-1-4244-7235-2
Electronic_ISBN :
978-1-4244-7237-6
DOI :
10.1109/ICCASM.2010.5620107
