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* Corresponding author 1 IMARA - Informatique, Mathématiques et Automatique pour la Route Automatisée Inria Paris-Rocquencourt 2 Department of Information and Communications Engineering Murcia

Abstract : Mobile Ad hoc Network MANET routing protocols and Network Mobility NEMO Basic Support are considered key technologies for vehicular networks. MANEMO, that is, the combination of MANET for infrastructureless communications and NEMO for infrastructure-based communications offers a number of benefits, such as route optimization or multihoming. With the aim of assessing the benefits of this synergy, this paper presents a policy-based solution to distribute traffic among multiple paths to improve the overall performance of a vehicular network. An integral vehicular communication testbed has been developed to carry out field trials. First, the performance of the Optimized Link State Routing protocol OLSR is evaluated in a vehicular network with up to four vehicles. To analyze the impact of the vehicles- position and movement on network performances, an integrated evaluation environment called AnaVANET has been developed. Performance results have been geolocated using GPS information. Second, by switching from NEMO to MANET, routes between vehicles are optimized, and the final performance is improved in terms of latency and bandwidth. Our experimental results show that the network operation is further improved with simultaneous usage of NEMO and MANET.

Autor: Manabu Tsukada - José Santa - Olivier Mehani - Yacine Khaled - Thierry Ernst -



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