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 52 for “"vehicle-to-vehicle"”.
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Non-stationary Vehicle-to-Vehicle Channel Characterization
Vehicle-to-vehicle (V2V) communication research has been growing steadily over the past decade. The V2V channel differs significantly from classic cellular wireless channels specifically in its relatively low transmitter (Tx) and receiver (Rx) antenna heights, and that both Tx and Rx and some …
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Measurement Based Channel Characterization and Modeling for Vehicle-to-Vehicle Communications
Vehicle-to-Vehicle (V2V) communication is a challenging but fast growing technology that has potential to enhance traffic safety and efficiency. It can also provide environmental benefits in terms of reduced fuel consumption. The effectiveness and reliability of these applications highly depends on …
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Assessment of Vehicle-to-Vehicle Communication based Applications in an Urban Network
Connected Vehicle research has emerged as one of the highest priorities in the transportation systems because connected vehicle technology has the potential to improve safety, mobility, and environment for the current transportation systems. Various connected vehicle based applications have been …
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A channel model and coding for vehicle to vehicle communication based on a developed V-SCME
… has attracted a lot of attention due to its potential in facilitating the implementation of 'Intelligent Transport System'. Vehicular applications need to be completely tested before deploying them in the real world. In this context, VANET simulations would be preferred in order to …
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Compact Wire Antenna Array for Dedicated Short-Range Communications: Vehicle to Vehicle and Vehicle to Infrastructure Communications
<p>This thesis contributes to the advancement of Dedicated Short RangeCommunications antenna research for automobile applications. This research is focused on implementing vehicle-to-vehicle and vehicle-to-infrastructure communications to advance both the safety and the quality of the driving …
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Μοντελοποίηση και ανάπτυξη ετερογενών κινητών δικτύων οχήματος-προς-όχημα (Vehicle-to-Vehicle) και οχήματος- προς-υποδομή (Vehicle-to-Infrastructure) με έμφαση σε δύσκολα περιβάλλοντα μετάδοσης
… ετερογενών κινητών δικτύων οχήματος-προς-όχημα (Vehicle to-Vehicle) και οχήματος-προς-υποδομή (Vehicle-to-Infrastructure) με έμφαση σε δύσκολα περιβάλλοντα μετάδοσης. Ειδικότερα η διατριβή προσέγγισε το πρόβλημα της έλλειψης αξιοπιστίας των εξομοιώσεων λόγω της διαφοροποίησης τους σε σύγκριση με …
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Implementing a RESTful Software Architecture to Coordinate Heterogeneous Networked Embedded Devices
Modern embedded systems---autonomous vehicle-to-vehicle communication, smart cities, and military Joint All-Domain Operations---feature increasingly heterogeneous distributed components. As a result, existing communication methods, tightly coupled with specific networking layers and individual …
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Enhancing Perception Systems using V2V Sensor Fusion
With the surge in popularity of autonomous vehicles that depend on complex perception systems to make safety critical judgments, it is necessary to test and improve them. One of the ways this can be done is through vehicle-to-vehicle communication. This concept has been around for decades but was …
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Policies and Mechanisms for Networked Control Systems
… layer for information dissemination in wireless vehicle-to-vehicle communication. The MD enables efficient and flexible transmission of data elements between vehicles. It has been implemented in several vehicles at Toyota, and has been adopted as basis for a standard by the Society of Automotive …
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Potential impacts of connected-autonomous vehicles on congestion and safety : a look at Austin, Texas
Data is a central component of Connected-Autonomous Vehicle (CAV) systems: the advantages and potential challenges of both vehicle-to-vehicle (V2V) and vehicle-to-infrastructure (V2I) CAV data underlie the question of wide scale CAV implementation. This report looks at the potential congestion and …
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Evaluating and Forecasting the Operational Performance of Road Intersections
… networks. It is therefore of vital importance to improve their operational performance, as that can significantly contribute towards the efficiency of the whole transport network. Traditional approaches to improve the efficiency of intersections are based on analysis of static data or expert …
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Identification and control of an automated off highway agricultural vehicle
The main objective of this study was to develop an automated agricultural vehicle guidance system that can be easily transplanted from vehicle to vehicle. The proposed solution to this problem is to first perform a tractor model identification, and then use a pole placement technique to place the …
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Cyber-security Aware Traffic Flow Modeling and Data Processing Power Optimization
The growing deployment of connected and automated vehicles (CAVs) introduces new opportunities and challenges at the intersection of traffic engineering and cybersecurity. While CAVs leverage onboard sensors and computing to navigate their environment, the integration of vehicle to vehicle (V2V) …
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Position Falsification Detection in VANET with Consecutive BSM Approach using Machine Learning Algorithm
… network (VANET) is an emerging technology for vehicle-to-vehicle communication vital for reducing road accidents and traffic congestion in an Intelligent Transportation System (ITS). VANET communication is vulnerable to various attacks and cryptographic techniques are used for message integrity …
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Estimating Pedestrian Crashes at Urban Signalized Intersections
Crash prediction models are used to estimate the number of crashes using a set of explanatory variables. The highway safety community has used modeling techniques to predict vehicle-to-vehicle crashes for decades. Specifically, generalized linear models (GLMs) are commonly used because they can …
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Design of a cooperative overtaking algorithm for platoons on freeways
Platooning can improve road safety, optimize traffic flow, and raise the driver’s comfort. However, when a platoon is stuck behind a slower vehicle, the total travel time is significantly increased. Overtaking as a whole platoon is a complicated maneuver and there is no communication-based …
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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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Information collection algorithm for vehicular ad-hoc networks (application domain: Urban Traffic Wireless Vehicular Ad-Hoc Networks (VANETs))
Vehicle to vehicle communication (V2VC) is one of the modern approaches for exchanging and generating traffic information 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 …
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Examining Factors Contributing to Road Traffic Accidents in Dar es Salaam City: A Case of Temeke District
The main purpose of this study was to examine the factors contributing to road traffic accidents in Dar es Salaam. The study wanted to address the puzzle, why despite of all efforts that have been implemented to prevent road traffic accidents in Tanzania, the incidence of accident are increasing; …
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Establishing trust in confidential computation and communication systems
… computation and communication systems aim to safeguard data in-use and protect metadata, extending privacy beyond the limits of conventional approaches. Trust is foundational to their security and adoption, yet difficult to establish due to strict privacy requirements, technical complexity, …
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