Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 26 for “"vehicular ad hoc networks (VANETs)"”.
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Design and performance evaluation of data dissemination and hovering information protocols for vehicular ad hoc networks (VANETs)
Robust and efficient communication protocols for Vehicular Ad Hoc Networks (VANETs) are still an open topic in the literature. Because of that, our attention has been gathered by the Data Dissemination and the Information Hovering protocols for VANETs. For most of the VANETs' applications the data …
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Information collection algorithm for vehicular ad-hoc networks (application domain: Urban Traffic Wireless Vehicular Ad-Hoc Networks (VANETs))
… with (yet to be realized) potential to improve road safety, driving comfort and traffic control. In this research, we present a novel algorithm which is based on V2V communication, uses in-vehicle sensor information and in collaboration with the other vehicles' sensor information can detect road …
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Hierarchical wireless framework for real-time collaborative generation and distribution of telemetry data
… a novel multidisciplinary approach combining Vehicular Ad Hoc Networks and Granular Computing, to the data processing and information generation problem in large urban traffic systems. It addresses the challenge of realtime information generation and dissemination in such systems by designing …
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Phantom jam Sybil attack in connected vehicular networks
Vehicular Ad-hoc Networks (VANETs) are vulnerable to Sybil attacks, mostly due to the lack of encryption in BSMs. In VANETs, multiple digital certificates (pseudonyms) are assigned to each vehicle to ensure their privacy. However, malicious nodes can exploit these pseudonyms to create ghost …
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Unified distribution of pseudonyms in hybrid ephemeral vehicular networks
… distribution of pseudonyms in hybrid ephemeral vehicular networks (VNs), which are often referred to as vehicular ad hoc networks (VANETs), for the purposes of refill, intra-regional, and inter-regional movement. This work addresses a significant impediment to the use of pseudonyms, which has …
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Clustering algorithms to further enhance predictable situational data in vehicular ad-hoc networks
… With modern computer software and hardware advancements, we have the emergence of more internet-enabled devices - or, Internet of Things (IoT) devices. We can now create large networks with any device to gather real-time information about an environment. In conjunction, modern car companies …
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Safety-message routing in vehicular ad hoc networks
The safety-message dissemination problem for vehicular ad hoc networks (VANETs) was investigated. Four novel techniques were contributed for the efficient and reliable routing of safety messages in the vehicular ad hoc networks. The instant-broadcast technique was proposed to improve the end-to-end …
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Cluster-based target tracking in vehicular ad hoc networks
Recently Vehicular Ad-hoc Networks (VANETs) have drawn the attention of academic and industry researchers due to their potential applications in enabling Intelligent Transportation System (ITS), including safe driving, entertainment, emergency response, and content sharing. Another potential …
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Efficient channel allocation and medium access organization algorithms for vehicular networking
<p>Due to the limited bandwidth available for Vehicular Ad-hoc Networks (VANETs), organizing the wireless channel access to efficiently use the bandwidth is one of the main challenges in VANET. In this dissertation, we focus on channel allocation and media access organization for …
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Road-based proactive routing protocols for vehicular networks
Vehicular networks are formed by vehicles communicating in an ad hoc manner or through cellular and IEEE 802.11 base stations. Routing in vehicular networks is challenging due to highly dynamic network topologies. Previous research done at the UbiNetS lab at NJIT has proposed the idea of Road-Based …
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Quality of Service in Vehicular Ad Hoc Networks: Methodical Evaluation and Enhancements for ITS-G5
After many formative years, the ad hoc wireless communication between vehicles has become a vehicular technology available in mass production cars in 2020. Vehicles form spontaneous Vehicular Ad Hoc Networks (VANETs), which enable communication whenever vehicles are nearby without need for …
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Road-based routing in vehicular ad hoc networks
Vehicular ad hoc networks (VANETs) can provide scalable and cost-effective solutions for applications such as traffic safety, dynamic route planning, and context-aware advertisement using short-range wireless communication. To function properly, these applications require efficient routing …
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Security and Privacy of Vehicular ad hoc Networks Supporting Revocation
In vehicular ad hoc networks (VANETs), vehicles communicate with other vehicles or fixed infrastructure, called road-side units (RSUs). One of the main goals for VANETs is to improve vehicle safety. Work has begun on defining and implementing VANET safety applications. VANET security services will …
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Replay and bogus information attacks : simulation and empirical validation of machine learning-based cybersecurity threat detection in connected and autonomous vehicles
… the increased connectivity and complexity of Vehicular Ad-hoc Networks (VANETs) introduce significant cybersecurity challenges, especially from sophisticated threats such as replay and bogus information attacks. While international standards (e.g., IEEE 1609.2, ETSI TS 103 097) establish …
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Power control for fair dynamic channel reservation
… of the principal motivations behind deploying vehicular ad hoc networks (VANETs), where each vehicle is equipped with a wireless transmitter and receiver. These applications require fair (i.e., all vehicles get equal fraction of time allocation for their transmissions) and reliable (i.e., …
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An efficient up-link load reduction model based on clustering in vanets
Vehicular Ad Hoc Networks (VANETs) enable communication between vehicles to avoid the accident. Cluster is a technique in VANETs used to group vehicles. The aim of this thesis is to mitigate uplink load at Base-Stations (BSs) resulted from the following: first, increased number of vehicles in the …
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Exploiting user contention to optimize proactive resource allocation in future networks
… in all environments including highly mobile networks. By using vertical handover techniques it is possible to provide uninterrupted communication as connections are dynamically switched between wireless networks as users move around. However, in a highly mobile environment, traditional …
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Detecting Rogue Nodes In Vehicular Ad-hoc Networks (DETER)
Vehicular ad hoc Networks (VANETs) are self-organizing networks of vehicles equipped with radios and processors. VANETs are very promising as they can make driving safer by improving road awareness through sharing of information from sensors. Vehicles communicate with each other wirelessly to …
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TDMA Slot Reservation in Cluster-Based VANETs
<p>Vehicular Ad Hoc Networks (VANETs) are a form of Mobile Ad Hoc Networks (MANETs) <strong>in</strong> which vehicles on the road form the nodes of the network. VANETs provide several services to enhance the safety and comfort of drivers and passengers. These services can be obtained by the …
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Providing Location Security in Vehicular Ad Hoc Networks
<p>Location is fundamental information in Vehicular Ad-hoc Networks (VANETs). Almost all VANET applications rely on location information. Therefore it is of importance to ensure location information integrity, meaning that location information is original (from the generator), correct (not bogus or …
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