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3G streaming technology based on multi-format video surveillance platform front-end equipment design and implementation

Author: WangZhiGang
Tutor: GongShengRong
School: Suzhou University
Course: Software Engineering
Keywords: 3G video surveillance platform RTSP RTP / RTCP H.264/AVC Streaming media server
CLC: TP277
Type: Master's thesis
Year: 2009
Downloads: 127
Quote: 3
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Abstract


With the issuance of 3G licenses, telecom operators on the fixed network and mobile network era full-service operation. Wireless networks business development for wireless video surveillance has brought new opportunities for development. 3G video surveillance business use of high-bandwidth wireless access, support for real-time image uploaded from anywhere, in any position to receive distant images, and fixed network video surveillance system integration anywhere, anytime, ubiquitous video surveillance applications. In this paper, the original fixed network video surveillance platform basis, through increased support for 3G mobile video surveillance function modules - VAU (3G Video Access Unit), and the development of supporting mobile client software M_CU (Mobile Client Unit), to achieve Smartphone-based mobile video surveillance targets. The author completed the following tasks: 1. Streaming media protocols were analyzed and related research, the RTSP protocol based on complete network video connection management, RTP Real-time Transport Protocol complete multi-protocol hybrid streaming media server model, and the use of RTCP protocol to obtain client feedback on network conditions to determine, dynamically adjusting the transmission rate, thereby reducing the dropout rate, relieve congestion, improve the channel utilization, to solve the 3G wireless communication QoS issues. (2) research and experimental analysis of advanced technology in H.264/AVC video coding related error control techniques, such as flexible macroblock order FMO and so on. Using the H.264 data partitioning mechanism to achieve a RTP-based video data partitioning packing algorithm, and using a variety of methods to ensure the real-time nature of the premise reduce packet loss rate and improve the reliability of video transmission. 3 of the open source audio and video encoding library FFmpeg, and apply it to platform among the completed real-time video decoding and encoding work to achieve real-time transcoding software functionality. 4 based on Windows mobile operating system, complete the mobile client user login, view real-time video and PTZ control functions such as development work. Finally, in complete platform capabilities, based on the Shanghai Academy of Telecommunication Research on 3G video access unit and the mobile client made VAU functionality and performance testing, and in the Shanghai Telecom \Test results show that the platform and running stable, reliable, and complete the design goals and meet the needs of users.

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Monitoring, alarm,fault diagnosis system
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