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 25 for “"DSRC"”.
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A Combined WiMAX/DSRC Approach to Vehicular Networking
… the strengths and weaknesses of WiMAX and DSRC, two protocols that have been central in much of the research surrounding in-vehicle network access. The thesis then proposes a novel system structure that combines both of these technologies and adds a network access layer in order to provide …
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Latency Study and System Design Guidelines for Cooperative LTE-DSRC Vehicle-to-Everything (V2X) Communications including Smart Antenna
… (LTE) and Dedicated Short Range Communications (DSRC) in terms of service quality and latency, and provides guidelines for design of cooperative LTE-DSRC systems for V2X communications. An extensive simulation analysis shows that (1) the number of users in need of warning has an effect on …
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Feasibility Study and Performance Evaluation of Vehicle-to-Everything (V2X) Communications Applications
… academia. Dedicated Short-Range Communications (DSRC) is currently the main protocol used for vehicular communications, and it operates in the 5.9 GHz band. In addition to DSRC radios, other potential uses of this band include Wi-Fi, LTE-V, and communication among unlicensed devices. This …
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An Empirical Method of Ascertaining the Null Points from a Dedicated Short-Range Communication (DSRC) Roadside Unit (RSU) at a Highway On/Off-Ramp
… of dedicated short-range communications (DSRC) roadside units (RSUs) allows a connected or automated vehicle to acquire information from the surrounding environment using vehicle-to-infrastructure (V2I) communication. However, wireless communication using DSRC has shown to exhibit null …
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Compact Wire Antenna Array for Dedicated Short-Range Communications: Vehicle to Vehicle and Vehicle to Infrastructure Communications
… literature review details the current state of DSRC antenna research and the drawbacks of antenna designs previously presented. Secondly, several common wire antennas are modeled and simulated in order to assess their potential in DSRC communications. Using an industry standardelectromagnetic …
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FPGA IMPLEMENTATION OF A REALTIME CYCLOSTATIONARY FEATURE DETECTOR FOR OFDM SIGNALS
… States to investigate spectrum sharing of the DSRC band with U-NII operators. However, DSRC operation has public safety implications, and moreover, time-critical requirements due to the vehicular nature of its application. The field of cognitive radio has identified several sensing techniques …
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Channel Propagation Model for Train to Vehicle Alert System at 5.9 GHz using Dedicated Short Range Communication
… advanced dedicated short range communication (DSRC) systems are being developed. DSRC is an emerging technology that is currently being explored by the automotive safety industry for vehicle-to-vehicle (V2V) and vehicle-to-infrastructure (V2I) communications to provide intelligent …
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The Effectiveness of Biopsychosocial Interventions at the Dallas Spinal Rehabilitation Center: Applying the NIDRR Logic Model
… pain rehabilitation (IPR) program at the DSRC based on the NIDRR logic model. SUBJECTS: A total of 226 patients (131 males [58%] and 95 females [42%]) with chronic pain were admitted to the IPR program at the DSRC between January 2010 and December 2012. Among the 226 patients, 150 patients …
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A wireless communication based active safety system for articulated heavy vehicles
… based on dedicated short range communication (DSRC) standard such as modulation, quantization, channel estimation algorithm and transmit diversity have been studied. The effect of each parameter on AHV lateral stability is reviewed to propose proper configuration of the DSRC standard. Finally, …
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The influence of transmission range on the performance of Vehicular AD-HOC Network (VANET)
… to attain Dedicated 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 …
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Practical Algorithms and Analysis for Next-Generation Decentralized Vehicular Networks
… the Dedicated Short Range Communications (DSRC) standard, and the Cellular vehicle-to-everything (C-V2X) standard. In our first contribution, we propose a risk based protocol for vehicles using the DSRC standard. The protocol allows a higher beacon transmission rate for vehicles that are at …
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Coexistence of Vehicular Communication Technologies and Wi-Fi in the 5 and 6 GHz bands
… (C-V2X), dedicated short range communications (DSRC) was the only major wireless technology that was designed for communication in high-speed and potentially dense vehicular settings. Since DSRC uses the IEEE 802.11p standard for its physical (PHY) and medium access control (MAC) layers, the …
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AI-driven smart cities: Digital twin simulation, V2X communication, and EV infrastructure optimization
… along with field tests evaluating LTE, DSRC, WiFi, and Bluetooth-based safety systems. These findings contribute to the development of intelligent transportation networks that improve pedestrian protection through real-time communication technologies. The third component explores machine …
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Stable and fair congestion control mechanisms for cooperative vehicle safety in vehicular networks
… of CVS is a Dedicated Short Range Communication (DSRC) wireless channel. One of the main challenges in large scale deployment of CVS systems is the issue of scalability. To address the scalability problem, several congestion control methods have been proposed and are currently under field study. …
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Distributed mobile platforms and applications for intelligent transportation systems
… it on 10 vehicles using 4G (LTE), 802.11p DSRC and 802.11n adhoc WiFi, and measured cellular access reductions up to 84%, response time improvements up to 80%, and effectiveness of the system in enforcing congestion control policies. We also simulated large-scale scenarios using actual …
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The relationship between the MCMI-III and the MMPI-2 in a chronic pain population.
… from the Dallas Spinal Rehabilitation Center (DSRC), that included MMPI-2 and MCMI-III, as well as pre-and post-assessment information (n = 21) and follow-up questionnaires (n = 19). Subjects' age ranged from 18 to 64. Each patient had a primary diagnosis related to a back and/or a cervical …
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Next generation computational tools for extreme-scale simulation of dynamic fracture and fragmentation in three dimensions
… from the DoD Supercomputing Resource Center (DSRC), we conduct a series of impact simulations at an unprecedented scale aimed at investigating the fundamental physics governing the fracture and fragmentation of brittle plates subjected to normal impact loads. Using the full-field description …
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Context Aware Drivers' Behaviour Detection System for VANET
… which use Dedicated Short Range Communication (DSRC) to allow vehicles in close proximity to communicate with one another, or to communicate with roadside equipment. These types of communication open up a wide range of potential safety and non-safety applications, with the aim of providing an …
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MIMO channel modelling and simulation for cellular and mobile-to-mobile
… and dedicated short range communications (DSRC) for intelligent transportation systems (e.g., IEEE 802.11p standard). Different from conventional fixed-to-mobile (F2M) cellular systems, in M2M systems both the transmitter (Tx) and receiver (Rx) are in motion and often equipped with low …
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Systèmes de localisation en temps réel basés sur les réseaux de communication sans fil
Des techniques fiables de radiolocalisation s’avèrent indispensables au développement d’un grand nombre de nouveaux systèmes pertinents. Les techniques de localisation basées sur les réseaux de communication sans-fil (WNs) sont particulièrement adéquates aux espaces confinés et fortement urbanisés. …
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