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.
Results
Showing 1 to 20 of 29 for “"Measurement Study"”.
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A measurement study of 802.11n links on commodity hardware
… device driver and conduct a performance analysis study. We find by measurements that the currently implemented algorithm in the open source device driver fails to successfully converge to the best physical layer rate under the given channel conditions. Several metrics to study the patterns of …
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Understanding and Improving the Performance of Mitigating Transient Execution Attacks
This thesis makes two contributions: (1) a measurement study of the performance evolution of mitigations against transient execution attacks over generations of processors, and (2) the WARD kernel design, which eliminates as much as half the overhead of mitigations on older processors. The …
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Privacy implications of information leakage from IP addresses - a web fingerprinting approach
… user’s privacy on the web. We perform a measurement study on datasets representative of the state of the Internet fetched via HTTP Archive or those collected with configurations like Adblock enabled vs. disabled over extended periods of time by crawling Alexa’s top websites to gauge the …
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Performance in Multipath & High-Mobility Leveraging Terrestrial and Satellite Networks
… This thesis presents a comprehensive measurement study comparing the performance of terrestrial 5G networks (ATT, Verizon, T-Mobile) and the Starlink satellite network in high-mobility scenarios. The study evaluates key performance metrics, including throughput and latency, across six …
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The role of statistical distributions in vulnerability to poverty analysis
… consumption data from the Living Standards Measurement Study survey in Niger and systematically evaluating how each input factor affects vulnerability estimates. Our findings show that the choice of statistical distribution can significantly alter outcomes. For instance, using alternative …
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Prototype Development and Feasibility Assessment of a Vertically Mounted Floating Element Skin Friction Balance
… in different experimental studies. The accurate measurements of wall shear stress will be instrumental in improving the existing empirical models and validating CFD models. Wall shear stress is also vital in improving fuel efficiency, heat transfer efficiency, and aerodynamic efficiency in …
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Accurate Player Modeling and Cheat-Proof Gameplay in Peer-to-Peer Based Multiplayer Online Games
<p>We present the first detailed measurement study and models of the virtual populations in popular Massively Multiplayer Online Role-Playing Games (MMORPGs). Our results show that, amongst several MMORPGs with very different play styles, the patterns of behaviors are consistent and can be …
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Neural Network-based Methodologies for Securing Cryptographic Code
… answers the two questions with a systematical measurement study and specialized neural network designs. My experiments show that program analysis is a necessary preprocessing step to guide the code embedding – resulting in a 36.1% accuracy improvement. Furthermore, I identify two previously …
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Methodology for Switching Characterization of Power Devices and Modules
… power devices. This thesis is a comprehensive study of the requirements for obtaining and analyzing the switching characteristics of the IPEM's power devices. It outlines the important switching characteristics and the implications of each characteristic on converter performance. It deals with …
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Investigations into the potential for using reciprocal pedalling exercise to assess, measure and enhance lower limb function after stroke.
… also offer opportunities for assessment and measurement of lower limb impairment during functionally-relevant activity. A systematic review using Cochrane methodology investigated effects of reciprocal pedalling (RP) on lower limb motor function after stroke. Despite some beneficial, though …
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Quantitative Metrics and Measurement Methodologies for System Security Assurance
… for preventing attacks through security measurements are crucial for preventing sophisticated attacks. However, proactive measures must employ qualitative security metrics and systemic measurement methodologies to assess security guarantees, as some metrics (e.g., entropy) used for …
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Design and Empirical Analysis of a Model of Empowering Leadership.
… the second focused on model development. The measurement study supported the three general areas of ability, accountability, and authority, although the accountability area was weak. Results of the model examination study indicated that the model largely behaved as expected, but did require …
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Advanced Protocols for Peer-to-Peer Data Transmission in Wireless Gigabit Networks
… recommendation. First, this thesis contributes a measurement study of the A-MPDU frame aggregation behavior of IEEE 802.11n in a real-world, multi-hop, indoor mesh testbed. Furthermore, this thesis presents MPDU payload adaptation (MPA) to utilize A-MPDU subframes to increase the overall …
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Fertility and the economic value of children: evidence from Nepal
… as part of the World Bank?s Living Standards Measurement Study, which includes large amounts of economic information at the household and individual level, the feasibility of the economic approach to fertility transition is tested in the context of rural Nepal. In order to do this it was …
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Nitrous oxide emissions under different corn field managements in the United States
… these negative environmental impacts. In this study, field N2O emissions were quantified during the 2016 growing season by direct field measurement from corn fields in Champaign, Illinois. Measurements were used to compare N2O emissions between plots differing in fertilizer rate, cover …
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Latency-driven performance in data centres
… performance for given network latency, and measurements of current network latency in data centres between hosts. Firstly, I show how to use the Precision Time Protocol (PTP), through an open-source software implementation PTPd, to measure network latency and packet loss in data centres. I …
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Tranquillity by design - Architectural and landscape interventions to improve the soundscape quality in urban areas exposed to aircraft noise
… and comprised four separate studies. The first study presents the results of a systematic in-situ measurement study, in which the sound attenuating effects of buildings exposed to aircraft noise were assessed. In the second chapter, the results from the first study were used to develop and test …
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Towards Secure and Reliable Distributed Systems with Minimized Trust
… of FPGA- based temperature side channels for the measurement study on data centers. Subsequently, our second and third projects focus on small, resource-constrained devices, like IoT devices, that often provide data to data centers. Recent research adapts identity-based encryption (IBE) for IoT …
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Essays on Malawian agriculture: Micro-level welfare impacts of agricultural productivity; profitability of fertilizer use; and targeting of fertilizer subsidy programs
… support from the World Bank Living Standards Measurement Study – Integrated Surveys on Agriculture (LSMS-ISA) program. Each essay stands alone as an independent study because of differences in research questions and the methodologies used in addressing the questions.</p> <p>The first essay …
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Investigating Security Threats of Resource Mismanagement in Networked Systems
… To substantiate our findings, we conduct a measurement study on the account management policies of various cloud email providers, highlighting the feasibility of acquiring previously used email accounts. To gain insight into email reuse in the wild, we examine commonly employed naming …
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