摘要
对无线传感器网络中的视频传输问题进行了研究。无线传感器网络中传输视频数据的难点,在于如何在节点资源有限的网络中确保视频业务的质量。分析并比较了基于单层协议的视频传输技术和基于多层设计的视频传输技术2类视频传输技术,得出结论:2者各有优缺点,单层协议设计与优化简单、扩展性强,但整体性能不一定最佳;跨层优化设计难度较大,但设计得当,性能优于单层协议。
The issue of video transmission in wireless sensor networks is studied in this paper.The difficulties of transmitting video data in wireless sensor networks are analyzed.And two kinds of video transmission technology are discussed,including the single layer protocol based technology and the multi-layer design based technology.Their advantages and disadvantages are discussed and compared.Finally,this paper gives a summary and a technology foresight for video transmission.
出处
《数字通信》
2012年第1期55-58,72,共5页
Digital Communications and Networks
基金
国家自然科学基金(61003236)
江苏高校科技创新计划项目(CX10B-200Z)
关键词
无线传感器网络
视频传输
单层协议
跨层设计
分布式编码
wireless sensor networks
video transmission
single layer protocol
cross-layer design
distributed video coding
