نتایج جستجو برای: vanets

تعداد نتایج: 1747  

2016
Antonio Di Maio Maria Rita Palattella Ridha Soua Luca Lamorte Xavier Vilajosana Jesus Alonso-Zarate Thomas Engel

The demand for safe and secure journeys over roads and highways has been growing at a tremendous pace over recent decades. At the same time, the smart city paradigm has emerged to improve citizens' quality of life by developing the smart mobility concept. Vehicular Ad hoc NETworks (VANETs) are widely recognized to be instrumental in realizing such concept, by enabling appealing safety and infot...

Journal: :JCM 2012
Ahmed Attia Abotabl Ahmad ElMoslimany Amr El-Keyi Tamer A. ElBatt Fan Bai Cem U. Saraydar

In this paper, we provide a review of the benefits of employing multiple-input multiple-output (MIMO) signal processing techniques in vehicular ad hoc networks (VANETs). These benefits include increasing the range of communication via beamforming, improving the reliability of communication via spatial diversity, increasing the throughput of the network via spatial multiplexing, and managing mul...

2014
ALI FARAHANI ESLAM NAZEMI

Similar to other ad hoc networks, VANETs need to change and adapt to their surrounding environment. Having various internal and external facilities to change network structure and parameters, VANETS are a good target for self-adaptive and self-managing systems. In order to achieve an autonomic system, selfmanagement should be implemented in the system architecture. To address the autonomic mana...

2015
Sanjay Batish Bhuvan Mehan Rajesh Bhatia Amardeep Dhiman

Vehicular Ad-hoc Networks (VANETs) where vehicles are described as the moving nodes, is a subclass of Mobile Adhoc Networks (MANETs) in which moving nodes has the potential of self-organization without need of fixed infrastructures. VANET provides road safety, traffic control management and spreading the important information to drivers of the moving vehicles in highly mobile environments. Vari...

Journal: :International Journal of Power Electronics and Drive Systems 2021

Misbehavior detection in vehicular ad hoc networks (VANETs) is performed to improve the traffic safety and driving accuracy. All nodes VANETs communicate each other through message logs. Malicious can cause inevitable situation by sending logs with tampered values. In this work, various machine learning algorithms are used detect primarily five types of attacks namely, constant attack, offset r...

Journal: :JCM 2010
Mingliu Zhang Richard S. Wolff

1 Manuscript received May 1, 2009; revised August 27, 2009; accepted September 10, 2009 Abstract—Research on vehicular ad hoc networks (VANETs) has focused primarily on efficient routing protocol design under conditions where there are relatively large numbers of closely spaced vehicles, typical of major highways and urban areas. These routing protocols are designed principally for fully connec...

Journal: :CoRR 2016
Christoph Ponikwar Hans-Joachim Hof Smriti Gopinath Lars Wischhof

In recent time, the standards for Vehicular Ad-hoc Networks (VANETs) and Intelligent Transportation Systems (ITSs) matured and scientific and industry interest is high especially as autonomous driving gets a lot of media attention. Autonomous driving and other assistance systems for cars make heavy use of VANETs to exchange information.They may provide more comfort, security and safety for driv...

2015
R RANJITH

VANETs are a hopeful technology to enable communications among vehicles on highways. The routing protocol works very poorly in VANETs. Compare to MANET, communication links break more frequently in VANETs, so we need unfailing routing method of such highly dynamic network. Nowadays, in highways the unfailing routing has focused very little. In this paper, we need embryonic graph theory to model...

2018
Khattab M Ali Alheeti Muzhir Shaban Al-Ani Klaus McDonald-Maier

Security is considered a major challenge for self-driving and semi self-driving vehicles. These vehicles depend heavily on communications to predict and sense their external environment used in their motion. They use a type of ad hoc network termed Vehicular ad hoc networks (VANETs). Unfortunately, VANETs are potentially exposed to many attacks on network and application level. This paper, prop...

2006
Atulya Mahajan Niranjan Potnis Kartik Gopalan An-I A. Wang

Mobility models, or the movement patterns of nodes communicating wirelessly, play a vital role in the simulation-based evaluation of Vehicular Ad Hoc Networks (VANETs). Although recent research has developed models that better correspond to real world mobility, we still have a limited understanding of the level of the required level of mobility details for modeling and simulating VANETs. In thi...

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