无线传感器网络的异构性研究

随着无线通信技术和微电子技术的快速发展,低成本、高度集成和自组织的无线传感器网络将会逐渐普及.首先总结归纳了无线传感器网络异构性的几种表现形式,如计算能力异构性、节点能量异构性、链路异构性及网络协议异构性,然后介绍了异构无线传感器网络层次网络体系结构和两种适用于无线传感器网络的标准.最后对无线传感器网络的安全问题进行简单探讨.

A Study of Heterogeneity in Wireless Sensor Networks

With the rapid technological development in the field of wireless communication and electronics,low-cost,high-integration and self-organization wireless sensor networks will obtain wide application.Firstly,four aspects of heterogeneity in wireless sensor networks are proposed and concluded,such as computational ability,energy supply,link communication and network protocol.Secondly,a hierarchical network architecture and two technical standards are briefly introduced to adapt to the heterogeneity in wireless sensor networks.Finally,the security problems of wireless sensor network are discussed.