Using vehicular networks for building distributed networks of services

Vehicular Networks;Vehicular Ad Hoc Network (VANET);Opportunistic Internet;Clustering;Energy Management;Channel State Information (CSI)

Crepaldi, Riccardo

关键词: Vehicular Networks;    Vehicular Ad Hoc Network (VANET);    Opportunistic Internet;    Clustering;    Energy Management;    Channel State Information (CSI);   

Others  :  https://www.ideals.illinois.edu/bitstream/handle/2142/46740/Riccardo_Crepaldi.pdf?sequence=1&isAllowed=y

美国|英语

来源: The Illinois Digital Environment for Access to Learning and Scholarship

【 摘 要 】

Current mobile networking support in urban environments is mostlyachieved through wide-area cellular systems, resulting in expensive,limited access that must be shared among many users.While cellular access may be appropriate for smartphones, modern carsare built with abundant resources, compared to the small devices thatmobile networks are generally identified with, which can generate dataat rates that push the limits of the cellular infrastructure. Theseresource rich platforms also have the potential to enable city-widedistributed networks of services.Since most current research in vehicular networks focuses onuser-to-user communication, new solutions are needed to support thislarge-scale, dynamic environment, which not only best supportsservice-based communication, but also introduces new service-basedcommunication patterns.Networking challenges in vehicular networks stem from thedynamics of vehicles' movements, resulting in a lack of structure inthe network and short duration of contact opportunities.However, by exploiting the specific properties of vehicular networksthese challenges can be mitigated.In our research, we explore the effect of the specific characteristicsof vehicular networks, in shaping the services and their demands. Weleverage the natural phenomenon of clustering and the abundance ofparked cars to design a network that supports a variety of services.We also take into account the challenge of energy management,especially important for parked vehicles, and that of quickly changingchannel conditions that requires fast adaptation algorithms.Given that all of these solutions are targeted at real-world problems,the strength of our research lies in the fact that we designed andbuilt a prototype device based on customized hardware for use invehicular networks. This prototype provides the necessarycapabilities to practically demonstrate the validity of the design ofour solution and confirms our results in a real-world scenario.