应急通信中 WSN 的角色及生存性分析

无线传感网（WSN）具有部署方便、灵活健壮的特点，在应急通信场合发挥着重要作用，但复杂恶劣的网络环境对无线传感网的设计和部署提出了更高要求。说明了应急通信的特点，并分析了应急通信中无线传感网的角色及面临的技术挑战。从网络生存性的角度归纳了网络生存性的相关研究工作，并重点探讨了应急通信环境下无线传感网的生存性技术问题。

Roles of Wireless Sensor Network and Its Survivability Analysis in Emergency Communication

Wireless Sensor Network is not only easy to deploy, but also flexible and robust. WSN plays a key role in emergency communication. But complex and severe network environment poses more challenges for the design and deployment of WSN. Characteristics of emergency communication are introduced and technological challenges of WSN in emergency communication are analyzed. Then, from the perspective of network survivability, relevant study works are concluded. In addition, key technical issues on WSN survivability are discussed as a key point. In the end, a summarization is given.