Abstract
Due to recent advancement in wireless technologies, there is evolution of a new networking concept called airborne ad-hoc networks (AANETs), where aircraft or unmanned aerial vehicles (UAVs) are grouped together. Connecting many aircraft in ad-hoc manner in itself is a big challenge because of very high mobility and intermittent link quality. This requires suitable routing protocol which can sense the possibility of link breaking before it actually happens and be able to find any alternate solution in advance so that packet transfer does not gets affected. This paper gives a comparison of two well-known protocols, OLSR and GPSR, to find out whether they are able to cope with AANET environment for UDP and TCP transport layer protocols. The performance comparison is done using 3D Gauss-Markov mobility model in ns-3 simulator in terms of packet delivery ratio (PDR), end-to-end (E2E) delay, routing overhead and throughput by varying node speed and randomness of the mobility model used. The simulation results show that OLSR protocol performs better in terms of PDR and throughput while GPSR protocol performs better in terms of E2E delay and routing overhead for both UDP and TCP environment.
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