Sensing traffic density combining V2V and V2I Wireless Communications
Resumen: Wireless technologies are making the development of new applications and services in vehicular environments possible since they enable mobile communication between vehicles (V2V), as well as communication between vehicles and infrastructure nodes (V2I). Usually, V2V communications are dedicated to the transmission of small messages mainly focused on improving traffic safety. Instead, V2I communications allow users to access the Internet and benefit from higher level applications. The combination of both V2V and V2I, known as V2X communications, can increase the benefits even further, thereby making intelligent transportation systems (ITS) a reality. In this paper, we introduce V2X-d, a novel architecture specially designed to estimate traffic density on the road. In particular, V2X-d exploits the combination of V2V and V2I communications. Our approach is based on the information gathered by sensors (i.e., vehicles and road side units (RSUs)) and the characteristics of the roadmap topology to accurately make an estimation of the instant vehicle density. The combination of both mechanisms improves the accuracy and coverage area of the data gathered, while increasing the robustness and fault tolerance of the overall approach, e.g., using the information offered by V2V communications to provide additional density information in areas where RSUs are scarce or malfunctioning. By using our collaborative sensing scheme, future ITS solutions will be able to establish adequate dissemination protocols or to apply more efficient traffic congestion reduction policies, since they will be aware of the instantaneous density of vehicles.
Idioma: Inglés
DOI: 10.3390/s151229889
Año: 2015
Publicado en: Sensors (Switzerland) 15, 12 (2015), 31794-31810
ISSN: 1424-8220

Factor impacto JCR: 2.033 (2015)
Categ. JCR: INSTRUMENTS & INSTRUMENTATION rank: 12 / 56 = 0.214 (2015) - Q1 - T1
Categ. JCR: CHEMISTRY, ANALYTICAL rank: 36 / 75 = 0.48 (2015) - Q2 - T2
Categ. JCR: ELECTROCHEMISTRY rank: 16 / 27 = 0.593 (2015) - Q3 - T2

Factor impacto SCIMAGO: 0.647 - Electrical and Electronic Engineering (Q1) - Analytical Chemistry (Q2) - Atomic and Molecular Physics, and Optics (Q2) - Medicine (miscellaneous) (Q2) - Instrumentation (Q2) - Biochemistry (Q3)

Financiación: info:eu-repo/grantAgreement/ES/DGA/T91
Financiación: info:eu-repo/grantAgreement/ES/MINECO/TEC2014-52690-R
Tipo y forma: Article (Published version)
Área (Departamento): Área Arquit.Tecnología Comput. (Dpto. Informát.Ingenie.Sistms.)
Área (Departamento): Área Lenguajes y Sistemas Inf. (Dpto. Informát.Ingenie.Sistms.)

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