一种基于空洞节点检测的可靠无人机自组网路由协议OA北大核心CSTPCD

To address the issues of short link live time(LLT)between nodes and frequent encounters with routing voids in high dynamic unmanned aerial vehicle(UAV)ad hoc networks,a reliable flying ad hoc networks(FANETs)routing protocol based on hollow node detection is proposed,which is called GPSR-HND(Hollow Node Detection Based on Greedy Perimeter Stateless Routing).In the GPSR-HND protocol,forwarding nodes detect the status of neighboring nodes with a hollow node detection mechanism,and add effective neighboring nodes to the candidate neighbor node set.Then a next-hop node selection mechanism based on Analytic Hierarchy Process(AHP)with multiple metrics selects the neighbor node with the largest weight from the set of neighbor nodes to be selected to greedily forward of data.If the candidate neighbor node set is empty,the improved perimeter forwarding mechanism is initiated by selecting the hollow node with the greatest weight from the set of hollow neighbor nodes,in order to find a node that can recover the greedy forwarding mode.The GPSR-HND protocol exhibits better performance as compared with the GPSR-NS protocol and GPSR protocol,including improvements in average end-to-end delay,packet loss rate,and increased throughput.