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 35 for “"V2V"”.
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Congestion Control for V2V Communication in VANET
Vehicular Ad Hoc Networks (VANETs) are vital for ensuring traffic safety in autonomous driving systems and intelligent transportation networks, where timely exchange of safety information is crucial. However, VANETs face significant challenges related to congestion control due to the high mobility …
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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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Assessment framework for wireless V2V communication-based ITS applications
… the effects of wireless Vehicle-to-Vehicle (V2V) communication based ITS applications on traffic performance. Microscopic traffic simulators describe the interaction between drivers and infrastructure at individual vehicle level. The behaviour models in microscopic traffic simulators describe …
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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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The influence of transmission range on the performance of Vehicular AD-HOC Network (VANET)
… Short Range Communication (DSRC) among vehicles (V2V) by consolidating existing technologies in which each vehicle is considered as a node. This type of communication is part of an Intelligent Transportation System (ITS) application. Importantly, there is still no comprehensive evaluation which …
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Efficient channel allocation and medium access organization algorithms for vehicular networking
… Units (V2R) and Vehicle-to-Vehicle (V2V) communications. An efficient channel allocation algorithm for Roadside Unit (RSU) access is proposed. The goal of the algorithm is to increase system throughput by admitting more tasks (vehicles) and at the same time reduce the risk of the …
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Assessment of Vehicle-to-Vehicle Communication based Applications in an Urban Network
… in TRANSIMS to assess the performance of V2V communication applications in the realistic urban network. The communication duration rate and spatial-temporal dispersion of equipped vehicles are investigated to evaluate the capability of V2V communication based on the market penetration rate …
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Potential impacts of connected-autonomous vehicles on congestion and safety : a look at Austin, Texas
… 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 safety benefits of a vehicle system highly saturated with CAVs in Austin, Texas. Traffic …
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Performance investigation of spatial modulation systems under realistic channel models
… communications, such as the vehicle-to-vehicle (V2V), the high-speed train (HST), and the massive MIMO scenarios. Firstly, the bit error rate (BER) performance of SM systems under a novel threedimensional (3D) geometry based stochastic model (GBSM) for V2V MIMO channels is investigated by both …
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Cellular-Assisted Vehicular Communications: A Stochastic Geometric Approach
… communication systems is vehicle-to-vehicle (V2V) communications, in which vehicles along roadways transfer information directly among themselves and with roadside infrastructure. Despite its numerous potential advantages, V2V communication suffers from one inherent shortcoming: the stochastic …
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Evaluating and Forecasting the Operational Performance of Road Intersections
… due to the advancements on Vehicle-to-Vehicle (V2V) and Vehicle-to-Infrastructure (V2I) communication technologies, it is possible to enhance safety and improve road intersection efficiency by continuously monitoring traffic conditions and enabling situational awareness of vehicle drivers. …
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Cyber-security Aware Traffic Flow Modeling and Data Processing Power Optimization
… the integration of vehicle to vehicle (V2V) and vehicle-to-infrastructure (V2I) communications has elevated expectations for cooperation, safety, and efficiency. This connectivity, however, introduces system-level vulnerabilities that are not present in isolated autonomous vehicles. In …
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Reliable and efficient wireless communication channel management using optimization and artificial intelligence
… predict signal quality across heterogeneous V2V communication links. Among various ML models evaluated, Convolutional Neural Networks (CNN) achieved the best performance in SNR prediction. Collectively, these contributions highlight the potential of intelligent, adaptive wireless …
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Optimization of lateral position of autonomous truck platoons to improve roadway infrastructure sustainability
… initiated and sustained by vehicle-to-vehicle (V2V) communication as the platoon travels The centralized platooning strategy leverages vehicle-to-infrastructure (V2I) communication to optimize the lateral position of each platoon (or group of platoons on each day or week). In the centralized …
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Design of a cooperative overtaking algorithm for platoons on freeways
… that other road users have a Vehicle-to-Vehicle (V2V) communication system installed. We theoretically define the algorithm by the use of Finite State Machines (FSMs) and implement it into a simulation environment. Thorough testing of the algorithm within the simulation environment shows that it …
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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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Inter-cell interference coordination in 5G ultra-dense networks
… the QoS requirements of both vehicle-to-vehicle (V2V) and vehicleto-infrastructure (V2I) links. Consequently, the latency and reliability requirements of V2V/V2I links are formulated as optimization constraints, involving joint power allocation and spectrum sharing (PASS), taking into account the …
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Field Evaluation of the Eco-Cooperative Adaptive Cruise Control in the Vicinity of Signalized Intersections
… (V2I) and vehicle-to-vehicle (V2V) communication, algorithms are being developed that utilize signal phasing and timing (SPaT) data together with queue information to optimize vehicle trajectories in the vicinity of signalized intersections. The research presented in this thesis …
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