Research Area:  Mobile Ad Hoc Networks

Abstract:

In flying Ad hoc networks (FANETs), traditional geographic routing protocols such as greedy perimeter stateless routing (GPSR) protocol, usually adopts a periodic Hello mechanism and a greedy forwarding mechanism based on maximum advanced distance. However, the traditional periodic Hello mechanism ignores node mobility, network connectivity, and traffic type, thus causing temporary communication blindness (TCB). Additionally, the traditionally geographic routing protocols choose the next-hop node based on the maximum advanced distance. The greedy forwarding mechanism based on maximum advanced distance towards the destination ignores the impact of network dynamics on links, leading to short link lifetime and frequent link breakage. To address these problems, a novel airborne greedy geographic routing (AGGR) protocol for FANETs is proposed in this paper. It includes an adaptive Hello mechanism and a greedy forwarding mechanism based on the relative motion of nodes. In the adaptive Hello mechanism, the Hello period of working nodes is calculated according to the real-time relative characteristic values between the node and its upstream node, and the Hello period of idle nodes adopts a fixed value according to the movement characteristics relative to all neighbor nodes. In the greedy forwarding mechanism based on the relative motion of nodes, in order to adapt to the high dynamic changes of network topology, the time to enter the communication range of the destination is taken as routing criteria to choose the next-hop node. Moreover, the AGGR protocol is compared with the original GPSR in simulation. The results show that it significantly mitigates the TCB problem and gains significant improvement in network performance.

Keywords:  
flying Ad hoc networks (FANETs)
airborne
greedy geographic routing protocol
Mobile Ad Hoc Networks

Author(s) Name:  Bo Zheng, Kun Zhuo, Hengyang Zhang & Hua-Xin Wu

Publisher name:  Springer

DOI:  10.1007/s11276-022-03030-9

Volume Information:  

Paper Link:   https://link.springer.com/article/10.1007/s11276-022-03030-9