Browsing Electrical and Computer Engineering by Title
Now showing items 1424-1443 of 1897
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QoS Routing in Wireless Mesh Networks
(University of Waterloo, 2008-01-28)Wireless Mesh Networking is envisioned as an economically viable paradigm and a promising technology in providing wireless broadband services. The wireless mesh backbone consists of fixed mesh routers that interconnect ... -
QoS Scheduling in IEEE 802.16 Broadband Wireless Access Networks
(University of Waterloo, 2008-05-14)With the exploding increase of mobile users and the release of new wireless applications, the high bandwidth requirement has been taking as a main concern for the design and development of the wireless techniques. There ... -
QoS Support for Voice Packet Transmission over Cognitive Radio Networks
(University of Waterloo, 2010-07-27)Cognitive Radio Networks (CRNs) provide a solution for the spectrum scarcity problem facing the wireless communications community. However, due to the infancy of CRNs, further research is needed before we can truly benefit ... -
QoS-aware Mobile Web Services Discovery Using Utility Functions
(University of Waterloo, 2008-05-20)Existing QoS-aware Web Services discovery architectures tend to focus solely on fulfilling the requirements of either the client or the provider. However, the interests of the provider and client are not equivalent. The ... -
Quadratic Loss Minimization in a Regime Switching Model with Control and State Constraints
(University of Waterloo, 2015-04-09)In this thesis, we address a convex stochastic optimal control problem in mathematical finance, with the goal of minimizing a general quadratic loss function of the wealth at close of trade. We study this problem in the ... -
Quadrupole Electric Field for Erasing the Fine Structure Splitting of a Nanowire Quantum Dot Entangled Photon Source
(University of Waterloo, 2020-10-19)Entanglement is an essential tool in quantum information processing (QIP), for example, to achieve a secure quantum communication network and quantum computing. Semiconductor quantum dots can generate on-demand entangled ... -
A Quality-Driven Approach to Enable Decision-Making in Self-Adaptive Software
(University of Waterloo, 2010-01-21)Self-adaptive software systems are increasingly in demand. The driving forces are changes in the software “self” and “context”, particularly in distributed and pervasive applications. These systems provide self-* properties ... -
Quality-Driven Cross-Layer Protocols for Video Streaming over Vehicular Ad-Hoc Networks
(University of Waterloo, 2011-08-31)The emerging vehicular ad-hoc networks (VANETs) offer a variety of applications and new potential markets related to safety, convenience and entertainment, however, they suffer from a number of challenges not shared so ... -
A Quantitative and Qualitative Empirical Evaluation of a Test Refactoring Tool
(University of Waterloo, 2021-10-18)Reducing the gap between what practitioners want vs. what researchers assume they want is one of the vital challenges in software projects. When it comes to software tools, many people develop tools, but only some tools ... -
Quantitative Estimation of Movement Progress during Rehabilitation after Knee/Hip Replacement Surgery
(University of Waterloo, 2014-09-25)Mobility improvement for patients is one of the primary concerns of physiotherapy rehabilitation. In a typical physiotherapy session, the patient is instructed to perform multiple exercises, based on a specific regimen ... -
Quantum Coherence in Electrical Circuits
(University of Waterloo, 2010-08-03)This thesis studies quantum coherence in macroscopic and mesoscopic dissipative electrical circuits, including LC circuits, microwave resonators, and Josephson junctions. For the LC resonator and the terminated transmission ... -
Quantum Computation with Superconducting Parametric Cavity
(University of Waterloo, 2020-12-14)Multimode superconducting parametric cavity is a flexible platform that has been used to study a variety of topics in microwave quantum optics ranging from parametric amplification, entanglement generation to higher order ... -
Quantum Dots for Intermediate Band in Solar Cells
(University of Waterloo, 2013-01-25)The commercially available solar cells suffer from low efficiency and high cost. This would avoid presence of solar cells as a secure energy resource in the market. Problems stem from two facts. Firstly, band gap of materials ... -
Quantum experiments with single-photon spin-orbit lattice arrays
(University of Waterloo, 2019-09-19)The thesis introduces two single-photon experiments with the lattice of spin-orbit arrays. The basic background knowledge has been introduced in Chapter 1. Chapters 2-4 describe the detailed techniques used in these two ... -
Quantum Hacking in the Age of Measurement-Device-Independent Quantum Cryptography
(University of Waterloo, 2018-04-13)Cryptography is essential for secure communication in the digital era. Today, public-key cryptography is widely employed, and has provided an efficient method for encrypting content and ensuring both confidentiality and ... -
Quantum Key Distribution Data Post-Processing with Limited Resources: Towards Satellite-Based Quantum Communication
(University of Waterloo, 2013-01-23)Quantum key distribution (QKD), a novel cryptographic technique for secure distribution of secret keys between two parties, is the first successful quantum technology to emerge from quantum information science. The security ... -
Quantum Machine Learning for Recognizing Gaussian Discord
(University of Waterloo, 2022-01-25)The quantum correlations measured by quantum discord have been paying significant attention since they are an essential resource for quantum information. This thesis focuses on the quantum discord in continuous-variable ... -
Quantum Optoelectronic Detection and Mixing in the Nanowire Superconducting Structure
(University of Waterloo, 2010-01-20)The recent advancement of superconducting nano devices has allowed for making a Superconducting Nanowire Single Photon Detector (SNSPD), whose extraordinary features have strongly motivated the research community to exploit ... -
R-D Optimal Scalable Video Coding Using Soft Decision Quantization
(University of Waterloo, 2010-11-22)In this thesis, we study the concept of scalable video coding as implemented in the extension to the H.264 video coding standard. Specifically, for the spatial and quality scalability scenarios, we propose an optimization ... -
R2Fix: Automatically Generating Bug Fixes from Bug Reports
(University of Waterloo, 2013-01-08)Many bugs, even those that are known and documented in bug reports, remain in mature software for a long time due to the lack of the development resources to fix them. We propose a general approach, R2Fix, to automatically ...