摘要
针对恶劣的通信环境,根据中断/时延容忍网络(DTN)主动路由思路,提出了一种适合应急通信保障的新型路由策略。该策略引入主动移动节点作为摆渡船,在不同区域间传播数据,每个区域中只选择少量渡口节点汇集信息,并完成与摆渡船的信息交换。通过计算区域内最小连通覆盖节点集,以及计算摆渡船的接触概率等方法,有效压缩区域内渡口节点数量,减少信息分发总量。
To meet demands of communication in some terrific environment,a delay tolerant network（DTN）routing strategy for emergency communication is proposed.The ferry nodes moving actively are adapted for transmitting information among different regions.Each region chooses part of nodes for gathering information and exchanging information with ferry nodes.By calculating the minimum coverage and connection node set,and the possibility of meeting with ferry nodes,the routing strategy can reduce the number of ferry nodes and the total amount of distributed information.
出处
《指挥信息系统与技术》
2015年第1期82-86,共5页
Command Information System and Technology
关键词
应急通信
中断/时延容忍网络
接触概率
主动路由
路由策略
emergency communication
delay tolerant network（DTN）
meeting probability
active routing
routing strategy
