MPR Selection Based on Link Transmission Quality and Motion Similarity in OLSR for FANETs

Abstract

With the development and popularization of 5G networks and unmanned aerial vehicle (UAV) applications, UAV networks have received more and more attention. Routing protocols have always been a key technology in mobile ad hoc net-works (MANETs), especially in Flying Ad-hoc Networks (FANETs). The rapid changes in network topology brought about by the high-speed mobility of UAV nodes make the network performance more susceptible, which poses a greater challenge to FANETs routing technology. This paper mainly focuses on the optimization problem of OLSR protocol in FANETs under planar topology, considering the link transmission quality and link stability between nodes, uses a weighted index to replace the node connection degree as the MPR set selection criterion, an MPR set selection algorithm based on motion similarity and link transmission quality is proposed. Then in the NS2 emulator, a comparative analysis of packet delivery ratio, average end-to-end delay, and routing overheads are performed to verify the performance improvement of the proposed algorithm.