针对应急通信环境中WSN设计和部署面临的问题和挑战,从拓扑控制、网络节能、QoS保障和信息摆渡4个方面系统分析和探讨了应急通信中增强WSN服务能力的方法和技术手段,概述了不同技术的研究现状和有待解决的问题,这些技术有不同的侧重点,但彼此紧密关联,在实际应用中应综合使用上述技术手段来增强WSN的服务能力。
Aiming at problems and challenges in the design and deployment of WSN in emergency communication,key methods and technologies used for enhancing service capabilities of WSN are analyzed and discussed,mainly including topology control,energy saving,QoS guarantee and information ferry.These technologies are different,but connect closely and should be used synthetically in actual network applications to improve service performance of WSN.