摘要
无线多媒体传感器网络（WMSNs）是在传统无线传感器网络（WSNs）基础上发展起来的具有音频、视频、图像等多媒体信息感知功能的新型传感器网络．具有广阔的发展前景。WMSNs感知媒体丰富、数据量大和处理任务复杂等显著特点，使其QoS问题的研究极具挑战性。该文分析了WMSNs的QoS需求，并从MAC层和网络层讨论了这一领域的国内外研究现状。最后对QoS亟待解决的问题作了总结。
Wireless Multimedia Sensor Networks（WMSNs）, developed from traditional Wireless Sensor Networks（WSNs）, is a novel sensor network integrating sensational functions of multimedia streaming （e.g.audio, video, image）, and has wide applications. The distinct features of WMSNs, such as various media category,great data amount,complex processing task,make the issue of QoS （Quality of Service） in WMSNs is challengihg. This paper analyses the requirement of QoS in WMSNs. Besides, the current research situation is summarized from MAC layer and network layer. Finally,the current problems are demonstrated.
作者
常泓
谭敏生
CHANG Hong, TAN Mill-sheng （School of Computer Science and Technology,University of South China, Hengyang 421001, China）
出处
《电脑知识与技术》
2009年第1期210-213,共4页
Computer Knowledge and Technology
