无线视频监控可靠性保障技术设计与实现  

Design and Realization of Reliability Guarantee Technology Based on Wireless Video Monitoring

作　　者：余翔[1] 黄小敏[1] 

机构地区：[1]重庆邮电大学,重庆400065

出　　处：《电视技术》2015年第4期21-24,32,共5页Video Engineering

基　　金：国家科技重大专项(2014ZX03001027)

摘　　要：针对不同无线信道下的视频实时监控业务,提出了一种参数可变的可靠性保障技术设计方案,提高了无线实时监控系统中的视频质量。在介绍了无线实时监控系统的总体方案和工作原理之后,详细阐述了可靠性保障技术的实现机制,该机制通过引入图像缓冲区、设置H.264编码参数、并通过帧处理机制以及RTP/RTCP传输协议,保障了无线实时视频传输的高可靠性。最后通过在Wi Fi,WCDMA,TD-LTE等无线信道下的测试,分析了系统的性能指标,验证了该设计方案的有效性。For video real-time monitoring system in different wireless channels, a reliability guarantee technology which parameters are variable is designed. And this technology improves the video quality of wireless real-time monitoring system greatly. After a detailed introduction of the overall scheme and work theory, the design of the implementation mechanism in the reliability guarantee technology is focused on. The size setting of image buffer, the parameters of H.264 encode, the frame processing mechanism and the transfer protocol of RTP/RTCP are contained in this design, which guarantee the high reliability of wireless real-time monitoring system. Finally by using these tests in WiFi/WCDMA/TD-LTE channels, the performance indicators are analyzed, and the validity of the design scheme is verified.

关 键 词：无线信道 视频监控 可靠性保障 H.264 WIFI WCDMA TD—LTE 

分 类 号：TP311.1[自动化与计算机技术—计算机软件与理论]