483 Hits in 5.1 sec

Performance Evaluation of Emergency Messaging via Wireless Collision Avoidance Systems for Improved Traffic Safety in VANET

Prema G, Kalpana C
2014 International Journal of Computer Applications  
In a Vehicular Ad Hoc Network (VANET), the wireless Collision Avoidance (CA) system issues warnings to drivers before they reach a potentially dangerous zone on the road.  ...  In this paper, a collision avoidance system for Vehicular Ad-hoc Networks is provided and a comparative study is done between without CA system and with CA system for vehicular safety critical application  ...  Updates on the navigation systems of car is also provided 3.1 Rear end collision occurrence without CA system A practical VANET model is developed to compute the probability of a rear-end collision without  ... 
doi:10.5120/15391-3855 fatcat:fdzersbbpzaf7bdnnhxn5nmg44

VANET-Based Traffic Monitoring and Incident Detection System: A Review

Mustafa Maad Hamdi, Lukman Audah, Sami Abduljabbar Rashid, Sameer Alani
2021 International Journal of Power Electronics and Drive Systems (IJPEDS)  
The present problem and challenges of incident detection in VANET technology are discussed in this paper.  ...  An accident can be defined as any activity in the environment that may be harmful to human life or dangerous to human life. In terms of early detection, and broadcast delay.  ...  Vehicular ad hoc network (VANET) is a technology that uses cars as mobile nodes in mobile ad-hoc network (MANET) [1] .  ... 
doi:10.11591/ijece.v11i4.pp3193-3200 fatcat:ucgcvjhekbbo5cu6xzy2pepfti

The future of vehicle crash avoidance through VANETs

Momina Hafeez, Rehan Ahmad, Umair Hafeez
2018 International Journal of Advanced and Applied Sciences  
In this paper, the introduction of VANET along with its architecture, characteristics and communication types is presented.  ...  As a result of the high growth rate in the population, issues related to traffic control is emerging exponentially.  ...  In Fig. 15 , this VANET security application is shown which provides assistance to drivers in parking cars.  ... 
doi:10.21833/ijaas.2018.11.001 fatcat:esiaxszqwncm5n67adu53nrnmm

Data communication in VANETs: Protocols, applications and challenges

Felipe Cunha, Leandro Villas, Azzedine Boukerche, Guilherme Maia, Aline Viana, Raquel A. F. Mini, Antonio A. F. Loureiro
2016 Ad hoc networks  
In this work, we survey VANETs focusing on their communication and application challenges.  ...  Although, considered as a special case of a Mobile Ad Hoc Network, the high but constrained mobility of vehicles bring new challenges to data communication and application design in VANETs.  ...  In contrast with other ad hoc networks, VANETs present more predictable mobility patterns.  ... 
doi:10.1016/j.adhoc.2016.02.017 fatcat:ghtuu4nqbbay3pq4vpy33ws4aa

Vehicular Ad-Hoc Network for Smart Cities

Bhawna Chaudhary, Sheetal Singh
2018 Proceedings of the First International Conference on Information Technology and Knowledge Management  
However, VANET has its own challenges from node mobility to location privacy. This paper discusses the application areas, security threats and their consequences of VANET into the smart city.  ...  The rapid increase in urban population is alleviating various kinds of problems such as long hours traffic-jams, pollution which is making cities life insecure and non-livable.  ...  In some countries, this application is already adopted and proven very convenient. More recent papers investigated the opportunities enabled by VANET technologies for car parking systems [13] .  ... 
doi:10.15439/2017km34 dblp:conf/icitkm/ChaudharyS17 fatcat:o2m6vdeupngy3lfrxr5a2p3yly

Dynamic Safety Message Power Control in VANET Using PSO [article]

Ghassan Samara, Tareq Alhmiedat, Amer O. Abu Salem
2014 arXiv   pre-print
Vehicles in VANET send emergency and safety periodic messages through one control channel having a limited bandwidth, which causes a growing collision to the channel especially in dense traffic situations  ...  In the recent years Vehicular Ad hoc Networks (VANET) became one of the most challenging research area in the field of Mobile Ad hoc Networks (MANET).  ...  However, VANET is still at the early stages of deployment, and real and intensive research pertaining to necessary safety solutions is still limited.  ... 
arXiv:1401.2405v2 fatcat:w46wtvtoz5ff5c3fg7ymggoczy

Congestion avoidance in vehicular networks: A contemporary survey

Balawal Shabir, Muazzam A. Khan, Anis U. Rahman, Asad W. Malik, Abdul Wahid
2019 IEEE Access  
In particular, during emergencies on roads like road accidents and security warnings demand high reliability and low latency.  ...  However, in traditional solutions, such messages use the same control channel for transmission leading up to a saturated or congested channel.  ...  collision in VANETs.  ... 
doi:10.1109/access.2019.2955142 fatcat:v2uejujnqrdjpcw3xnwdj75fye

Vehicular ad hoc networks (VANETS): status, results, and challenges

Sherali Zeadally, Ray Hunt, Yuh-Shyan Chen, Angela Irwin, Aamir Hassan
2010 Telecommunications Systems  
Recent advances in hardware, software, and communication technologies are enabling the design and implementation of a whole range of different types of networks that are being deployed in various environments  ...  One such network that has received a lot of interest in the last couple of S. Zeadally ( )  ...  Acknowledgements The authors would like to express their deepest gratitude to Professor Tony Larsson for his guidance, support, and contributions on the VANET simulation section of this paper.  ... 
doi:10.1007/s11235-010-9400-5 fatcat:wxrytbc33ng6feqlln5zr7hesi

Driving Path Predication Based Routing Protocol in Vehicular Ad hoc Networks

Yong Feng, Feng Wang, Jingjing Liao, Qian Qian
2013 International Journal of Distributed Sensor Networks  
In this paper, we firstly analyze the predictabilities of different types of vehicles and then propose a new driving path predication based routing protocol (DPPR).  ...  Since human trajectories show a high degree of temporal and spatial regularity, thus vehicular driving paths are predictable to a large extent.  ...  in VANETs.  ... 
doi:10.1155/2013/837381 fatcat:qovshqmwejejnotoqwhgdckuqq

State of the Art and Research Challenges for VANETs

Jakub Jakubiak, Yevgeni Koucheryavy
2008 2008 5th IEEE Consumer Communications and Networking Conference  
Recent advances in wireless communications technology and car industry made it possible to consider wireless Ad-hoc (or mixed Ad-hoc/infrastructure) networks, providing connectivity among vehicles on the  ...  Thus, several ongoing research projects supported by industry, governments and academia, establishing standards for VANET networks.  ...  Per the official IEEE 802.11 Work Plan predictions the formal 802.11p standard is scheduled to be published in March 2008.  ... 
doi:10.1109/ccnc08.2007.212 dblp:conf/ccnc/JakubiakK08 fatcat:vanh6aowqbbxpnnexqgoxzzxaa

Deep Review and Analysis of Data exchange in Vehicle-to-Vehicle Communications Systems: Coherent Taxonomy, Challenges, Motivations, Recommendations, Substantial Analysis and Future Directions

H. A. Ameen, A. K. Bin Mahamad, B. B. Zaidan, A. A. Zaidan, S. Saon, D. Md. Nor, R. Q. Malik, Z. H. Kareem, Salem Garfan, R. A. Zaidan, Ali Mohammed
2019 IEEE Access  
Data exchange in Vehicle-to-vehicle (V2V) communications systems is a field that requires automated solutions, tools and methods and the capability to facilitate early detection and even a prediction.  ...  V2V collision avoidance system, which is a field requiring automated solutions, tools and methods, entails the capability to facilitate early detection.  ...  Authors in [58] , [59] presented techniques for detecting incidents early by using incident detection node by calculating time to collision for unconstrained vehicle motion.  ... 
doi:10.1109/access.2019.2949130 fatcat:zwoo7jc2gzhtbnifjxtnj4euqy

A tutorial survey on vehicular ad hoc networks

H. Hartenstein, K.P. Laberteaux
2008 IEEE Communications Magazine  
make the VANET a unique area of wireless communication.  ...  There has been significant interest and progress in the field of vehicular ad hoc networks over the last several years.  ...  In addition, we would like to thank J. Härri, T. Höllrigl, M. Killat, F. Schmidt-Eisenlohr, and M. Torrent-Moreno for their insightful comments and help in preparing this article.  ... 
doi:10.1109/mcom.2008.4539481 fatcat:qly7ukqk4rct3eyux5uwcr4e2q

Road Safety: An Accident Prevention Using Intelligent Vehicular Network

Nagarjuna Karyemsetty, Kontham Raja Kumar
2020 International Journal of Safety and Security Engineering  
Open source simulators have to be adopted to study and analyze various collision scenarios in vehicular networks.  ...  The remaining 7.4% cases enable the passive safety system to help the people to stay alive, minimize the damage in case an accident.  ...  This simulation tool is amenable to C++ and OTCL applicable for mobility nodes in VANETs, and some VANET Simulation scenarios are shown in Figure 8 .  ... 
doi:10.18280/ijsse.100507 fatcat:j5gdkewlpna4ha6ahuj7xm2qdy

An overview of Internet of Vehicles

Fangchun Yang, Shangguang Wang, Jinglin Li, Zhihan Liu, Qibo Sun
2014 China Communications  
In contrast to VANET, IoV has two main technology directions: vehicles' neworking and vehicles' intelligentialize.  ...  1 signal range and drop out of the network, other vehicles can join in, connecting vehicles to one another to create a mobile Internet.  ...  ACKNOWLEDGEMENTS The work presented in this study is supported by the Natural Science Foundation of Beijing under Grant No.4132048, NSFC(61472047), and NSFC(61202435).  ... 
doi:10.1109/cc.2014.6969789 fatcat:ipeql6ezana6ticlziwmqmegq4

A Dynamic Reallocation Based Window Access Scheme for Enhancing QoS of Vehicular Ad-hoc Networks (VANETs)

Md. Amirul Islam, Hossen Asiful Mustafa
2018 Advances in Science, Technology and Engineering Systems  
By maintaining a balanced waiting time, the proposed TDMA based scheduling scheme allocates TDMA slots in a rational way to minimize merging and one-hop neighboring collision.  ...  Experimental results show that our scheme performs better than existing schemes in terms of successfully transmitted data packets.  ...  PTMAC [10] is a prediction-based TDMA MAC protocol that predicts encounter collisions and effectively reduces the number of collisions while maintaining high slot utilization.  ... 
doi:10.25046/aj030139 fatcat:fue7a325cvcexlfhuvo525ux4e
« Previous Showing results 1 — 15 out of 483 results