Vehicle-to-Vehicle Connectivity and Communication Framework for Vehicular Ad-Hoc Networks

Author(s):  
Danda B. Rawat ◽  
Bhed B. Bista ◽  
Gongjun Yan ◽  
Stephan Olariu
2012 ◽  
Vol 8 (2) ◽  
pp. 153-172 ◽  
Author(s):  
Hajar Mousannif ◽  
Ismail Khalil ◽  
Stephan Olariu

The past decade has witnessed the emergence of Vehicular Ad-hoc Networks (VANET), specializing from the well-known Mobile Ad Hoc Networks (MANET) to Vehicle-to-Vehicle (V2V) and Vehicle-to-Infrastructure (V2I) wireless communications. While the original motivation for Vehicular Networks was to promote traffic safety, recently it has become increasingly obvious that Vehicular Networks open new vistas for Internet access, providing weather or road condition, parking availability, distributed gaming, and advertisement. In previous papers [27,28], we introduced Cooperation as a Service (CaaS); a new service-oriented solution which enables improved and new services for the road users and an optimized use of the road network through vehicle's cooperation and vehicle-to-vehicle communications. The current paper is an extension of the first ones; it describes an improved version of CaaS and provides its full implementation details and simulation results. CaaS structures the network into clusters, and uses Content Based Routing (CBR) for intra-cluster communications and DTN (Delay–and disruption-Tolerant Network) routing for inter-cluster communications. To show the feasibility of our approach, we implemented and tested CaaS using Opnet modeler software package. Simulation results prove the correctness of our protocol and indicate that CaaS achieves higher performance as compared to an Epidemic approach.


2017 ◽  
Vol 8 (2) ◽  
pp. 44-57 ◽  
Author(s):  
Ramesh C. Poonia

VANETs are enhanced and upgraded versions of mobile ad-hoc networks which are fruitful for intercommunication vehicles. Communication can be vehicle-to-vehicle and between vehicles to side-fixed equipment known as roadside equipment. This network is self-organized, highly dynamic but separated without any infrastructure or client and server communication. The objective of this research is to examine the study of TwoRayGround and Nakagami radio propagation models for vehicular ad-hoc networks in Indian Scenarios as well as to find the best efficient model, which is more suitable in various scenarios. Output of this research will be beneficial for applying efficient models on the realistic highway scenario, especially traffic caused by four wheelers. This model will also be fruitful for avoiding heavy road congestion and highway road accidents caused by a high and unbalanced speed of traffic as well as other various road conditions, like pot holes and road barriers, etc.


2018 ◽  
Vol 7 (2.4) ◽  
pp. 204
Author(s):  
Sukhpreet Kaur ◽  
Er Sharad

The vehicular adhoc network is the decentralized type of network in which vehicles can move from one location to another. In the network two type of communication is possible which are vehicle to vehicle and vehicle to infrastructure. In the vehicle to vehicle type of path establishment is the major issue of the network. In this research work, multicasting routing technique is proposed for the path establishment from source to destination. The proposed technique is implemented in NS2 and simulation results shows improvement in network delay for path establishment  


2018 ◽  
Author(s):  
Thales T. Almeida ◽  
Lucas de C. Gomes ◽  
Fernando M. Ortiz ◽  
José Geraldo R. Júnior ◽  
Luís Henrique M. K. Costa

A embarcação de dispositivos com o padrão IEEE 802.11p no ambiente automotivo é considerado um fator crucial para alavancar a segurança e a eficiência no trânsito, o que torna fundamental a avaliação deste padrão antes de sua completa integração com sistemas reais. Entretanto, devido ao custo elevado e à pouca oferta de dispositivos comerciais, a maioria dos trabalhos envolvendo VANETs (Vehicular Ad-hoc NETworks) ainda é realizada apenas no campo das simulações. Visando comparar uma possível equivalência, este trabalho investiga os resultados de medições reais envolvendo cenários V2I (Vehicle-to-Infrastructure) e V2V (Vehicle-to-Vehicle). Para isso, foram confrontados os resultados obtidos por meio de OBUs (On-Board Units) e RSUs (Road Side Units) com os obtidos pelo simulador NS-3. Três métricas de rede foram avaliadas: o alcance máximo, a taxa de entrega de pacotes e o tempo entre recepções de pacotes. Também foi analisada a influência dos diferentes tipos de modulação permitidos no referido padrão e de diversos padrões de mobilidade. Este trabalho representa uma referência para a completa integração do padrão IEEE 802.11p e contribui para a validação e evolução dos modelos de simulação atuais.


2020 ◽  
Vol 17 (8) ◽  
pp. 3512-3515
Author(s):  
J. Refonaa ◽  
Y. Pavan Teja ◽  
Y. Manjunath ◽  
S. Dhamodaran ◽  
S. L. Jany Shabu ◽  
...  

Vehicular ad hoc networks (VANET) are otherwise called wise transportation frameworks. VANET guarantees auspicious and exact correspondences between vehicle to vehicle (V2V) and vehicle to infrastructure (V2I) to improve street wellbeing and upgrade the productivity of traffic stream. Because of its open remote limit and high versatility, VANET is powerless against pernicious hubs that could get entrance into the system and do genuine medium access control (MAC) layer dangers, for example, denial of service attacks, information alteration attacks, pantomime attacks, Sybil attacks, and replay attacks. With the prevalence of Block Chain comes grave security related concerns. Accomplishing security and discernibility at the same time stays an open inquiry. Endeavors have been made to address the issues, while they may expose to explicit situations. We propose a vehicular declaration convention Echo-Announcement in Credit Coin. It accomplishes productivity and protection safeguarding for the useful use in sending declarations. We plan an impetus component dependent on Block chain in Credit Coin. Clients oversee notoriety focuses while they acquire or spend coins as motivating forces. In the interim, Credit Coin despite everything jam security and accomplishes obscurity. Besides, in view of Block chain, Credit Coin forestalls numerous security attacks and accomplishes contingent protection since Trace administrator will follow malignant hubs when a startling occasion happens.


Author(s):  
G. G. Md. Nawaz Ali ◽  
Edward Chan

Recently data dissemination using Road Side Units (RSUs) in Vehicular Ad Hoc Networks (VANETs) received considerable attention for overcoming the vehicle to vehicle frequent disconnection problem. An RSU becomes overloaded due to its mounting location and/or during rush hour overload. As an RSU has short wireless transmission coverage range and vehicles are mobile, a heavily overloaded RSU may experience high deadline miss rate in effect of serving too many requests beyond its capacity. In this work, the authors propose a co-operative multiple-RSU model, which offers the opportunity to the RSUs with high volume workload to transfer some of its overloaded requests to other RSUs that have light workload and located in the direction in which the vehicle is heading. Moreover, for performing the load balancing, the authors propose three different heuristic load transfer approaches. By a series of simulation experiments, the authors demonstrate the proposed co-operative multiple-RSU based load balancing model significantly outperforms the non-load balancing multiple-RSU based VANETs model against a number of performance metrics.


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