Browsing Electrical and Computer Engineering by Title
Now showing items 204-223 of 1977
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Channel Based Relay Attack Detection Protocol
(University of Waterloo, 2019-05-23)A relay attack is a potentially devastating form of a man-in-the-middle attack, that can circumvent any challenge-response authentication protocol. A relay attack also has no known cryptographic solution. This thesis ... -
Channel Estimation and Equalization for Cooperative Communication
(University of Waterloo, 2006)The revolutionary concept of space-time coding introduced in the last decade has demonstrated that the deployment of multiple antennas at the transmitter allows for simultaneous increase in throughput and reliability because ... -
Channel estimation for Amplify and Forward Channels
(University of Waterloo, 2008-05-16)Cooperative diversity has been proposed as a powerful means to enhance the performance of high-rate communications over wireless fading channels. It realizes spatial diversity advantages in a distributed manner where two ... -
Channel-aware and Queue-aware Scheduling for Integrated WiMAX and EPON
(University of Waterloo, 2008-08-29)By envisioning that the future broadband access networks have to support many bandwidth consuming applications, such as VoIP, IPTV, VoD, and HDTV, the integration of WiMAX and EPON networks have been taken as one of the ... -
Channel-based Physical Layer Authentication
(University of Waterloo, 2014-08-01)The characteristics of the wireless physical layer can be exploited to complement and enhance traditional security. In this thesis, we study the channel-based physical layer authentication. The authentication problem is ... -
Chaos synchronization and its application to secure communication
(University of Waterloo, 2010-12-10)Chaos theory is well known as one of three revolutions in physical sciences in 20th-century, as one physicist called it: Relativity eliminated the Newtonian illusion of absolute space and time; quantum theory eliminated ... -
Characterization and Analysis of Continuous Wave Terahertz Photomixers
(University of Waterloo, 2012-04-25)In recent years, Terahertz (THz) technology has become a very active field of research in regards to its wide range of potential applications such as biosensing, biomedical imaging, pharmaceutical, security, and many others. ... -
Characterization and Linearization of 5G mm-Wave Power Amplifiers Using Reduced-Sampling Observation Receiver
(University of Waterloo, 2017-08-24)In this work, an advanced calibration routine is proposed to determine the frequency response of a feedback receiver over a targeted linearization bandwidth, when only sub-Nyquist (aliased) samples are available. A new ... -
Characterization and Performance Analysis of UHF RFID Tag for Environmental Sensing Applications
(University of Waterloo, 2012-06-21)Passive radio frequency identification (RFID) tag has been shown efficient in item tracking and management in the supply chain. Attracted to low weight and small size of wireless nodes, some research work was conducted to ... -
Characterization and Theoretical Study of Mid-infrared Quantum Cascade Lasers
(University of Waterloo, 2019-05-07)The technology and performance of quantum cascade lasers has rapidly developed since it was firstly unveiled in 1994. This type of laser has a feasible design, micro meter size and potential for emission of long wavelength ... -
Characterization of lambda systems using superconducting qubits
(University of Waterloo, 2017-09-20)Lambda systems, with a metastable state in addition to the ground state, naturally occur in many atomic systems. Atomic lambda systems offer many potential applications in quantum information processing including single ... -
Characterization of Optically Sensitive Amorphous Selenium Photodetector for Indirect X-Ray Imaging
(University of Waterloo, 2014-10-15)Advances in medical imaging have significantly improved patient care, and considering all modalities X-ray imaging is historically the pioneer. Recently, there has been an ongoing interest in development of large area ... -
Characterization of Rate Region and User Removal in Interference Channels with Constrained Power
(University of Waterloo, 2007-05-15)Channel sharing is known as a unique solution to satisfy the increasing demand for the spectral-efficient communication. In the channel sharing technique, several users concurrently communicate through a shared wireless ... -
Characterizing Distortion in Successive-Approx imation Analog-to-Digital Converters due to Off-Chip Capacitors within the Voltage Reference Circuit
(University of Waterloo, 2014-12-19)The Successive Approximation Analog-to-Digital converter (SAR-ADC) is a popular architecture due to its low power, simple design, and reasonable resolution and speed. Due to the prevalence of ADCs in modern hardware, it ... -
Circuit Design of SRAM Physically Unclonable Functions
(University of Waterloo, 2017-09-06)A Physically Unclonable Function (PUF) is an entity that reliably provides a unique response to a given challenge and cannot be easily duplicated physically. PUFs are an alternative to using non-volatile memory (NVM) for ... -
Circuit Model Parameter Extraction and Optimization for Microwave Filters
(University of Waterloo, 2002)This thesis presents a method for parameter extraction of circuit elements from microwave filters. This diagnosis method can be applied to a sufficiently large number of filters and it can also be used in conjunction ... -
Circuit Quantum Electrodynamics with Flux Qubits
(University of Waterloo, 2019-09-23)This thesis presents circuit quantum electrodynamic (cQED) experiments done with artificial atoms coupled to a high quality factor superconducting microwave resonator. This work discusses the theoretical framework, design, ... -
Circuit-Theoretic Physics-Based Antenna Synthesis and Design Techniques for Next-Generation Wireless Devices
(University of Waterloo, 2013-12-12)Performance levels expected from future-generation wireless networks and sensor systems are beyond the capabilities of current radio technologies. To realize information capacities much higher than those achievable through ... -
The Clark-Ocone formula and optimal portfolios
(University of Waterloo, 2007-09-27)In this thesis we propose a new approach to solve single-agent investment problems with deterministic coefficients. We consider the classical Merton’s portfolio problem framework, which is well-known in the modern theory ... -
A Class of Augmented Convolutional Networks Architectures for Efficient Visual Anomaly Detection
(University of Waterloo, 2021-07-23)Visual anomaly detection, the task of isolating visual data that do not conform to the defined notion of normality, is very crucial for the autonomous functioning of entities with exceptional potential in a spectrum of ...