A wireless vehicle surveillance system mixed QoS controls Online publication date: Sun, 11-Jan-2015
by Xianping Fu; Yafei Wang; Hongbo Liu; Guoliang Yuan
International Journal of Wireless and Mobile Computing (IJWMC), Vol. 5, No. 2, 2012
Abstract: Quality of Service (QoS) control is of primary importance in successful transmission of video signals over bandwidth limited wireless networks in vehicle surveillance systems. A wireless streaming media transfer platform based on the mixed QoS system is introduced in this paper. The theoretical knowledge related to the QoS and mixed QoS control of the feasibility and characteristics is analysed, and a comprehensive QoS in vehicle surveillance is introduced. This system combines network control and end-to-end QoS control. At both ends, from the delay, jitter, etc. are adjusted by the addition of the timestamp and other information on the dynamic adjustment of the speed of data transmission. Through improving the control of two ends QoS and media streaming forward server, the image/video streaming from vehicle is transferred into the internet by 3G/GPRS and then linked to common internet and mobile phone users through carrier networks (wired and wireless), which realise the real-time supervision.
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