Browsing Electrical and Computer Engineering, Department of by Title
Now showing items 251-270 of 350
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A Parallel-Series Two Bridge DC/DC Converter for PV Power Conditioning Systems Used in Hybrid Renewable Energy Systems
(2012-04-19)This thesis presents a parallel-series two-bridge DC/DC converter topology with the ability to operate with ZVS over a wide input and load range. The intended application is power conditioning systems (PCS) of photovoltaic ... -
Performance analysis of attack-resistant trust computation schemes in multi-hop vehicular ad-hoc networks
With the development of the autopilot technology, the autonomous vehicles mainly rely on the in-car cameras to monitor the surrounding environments. A wider view will make the autonomous vehicles safer while driving. In ... -
Performance Analysis of Decode-and-Forward Protocols in Unidirectional and Bidirectional Cooperative Diversity Networks
(2009-09-14)Cooperative communications have the ability to induce spatial diversity, increase channel capacity, and attain broader cell coverage with single-antenna terminals. This thesis focuses on the performance study of both ... -
A Performance Comparison of Frame Structures in WiMAX Multi-Hop Relay Networks
(2010-09-10)Wireless multi-hop relay systems are the newest amendment to the IEEE 802.16 standard for local and metropolitan area networks, else known as WiMAX. Relay systems come in different flavours, based on their capabilities and ... -
Performance Optimization and Parallelization of Turbo Decoding for Software-Defined Radio
(2009-09-26)Research indicates that multiprocessor-based architectures will provide a flexible alternative to hard-wired application-specific integrated circuits (ASICs) suitable to implement the multitude of wireless standards required ... -
Performance study on a dual prohibition Multiple Access protocol in mobile Ad Hoc and Wireless Mesh networks
(2008-01-03)Wireless networks are less reliable than wired networks because channels are “exposed” to the surrounding environment that is susceptible to interference and noise. To minimize losses of data due to collisions, wireless ... -
Petri Net Siphon Analysis and Network Centrality Measures for Identifying Combination Therapies in Signaling Pathways
(2016-09-30)Aberrant behavior of biological signaling pathways has been implicated in diseases such as cancers. Therapies have been developed to target proteins in these networks in the hope of curing the illness or bringing about ... -
Phase Generation and Manipulation in CMOS Integrated Circuits
(2008-04-01)In this thesis three circuits are presented that demonstrate the creation and manipulation of various phases over a large bandwidth. Many systems demand the interoperability of various circuit blocks over a large frequency ... -
Phase Noise Characterization of a Mode-Locked Quantum-Dot Coherent Optical Frequency Comb Source Laser
Modern coherent optical communication systems transmit 100 Gb/s dual-polarization quadrature phase shift keying (DP-QPSK) signals on each of the 100 channels in a dense wavelength division multiplexing (DWDM) system. Each ... -
Pilot Tone-Aided Detection for Cognitive Radio Applications
(2014-04-22)Feature-based spectrum sensing techniques have emerged as good balance between energy-based techniques and coherent-based techniques, where the former require minimal prior information of the observed signal, and the latter ... -
Planar Leaky-Wave Antennas and Microwave Circuits by Practical Surface Wave Launching
(2013-10-01)Modern communication systems have increased the need for creative antenna solutions and low-profile circuit configurations that can offer high-quality performance at a low cost. The microwave and millimeter-wave frequency ... -
Portable Navigation Utilizing Sensor Technologies in Wearable and Portable Devices
(2015-04-08)Portable navigation may seem similar to other navigation problems where system availability, reliability, and accuracy are the objectives. However, more challenges arise due to the portability side of the problem such as ... -
Power Converters for Electric Vehicles
(2012-01-18)This thesis presents topologies and control methods to improve the efficiency and dynamic response of Electric Vehicle (EV) power converters. There are three main converters in an EV power conditioning system: a plug-in ... -
Pre-compensation of nonlinear distortion of a silicon microring modulator in short reach systems
Silicon photonics has attracted significant attention due to its compatibility with CMOS technology and the potential for both discrete and integrated devices. As a critical component in silicon-based communication systems, ... -
Predictive Radio Access Networks for Vehicular Content Delivery
(2014-05-01)An unprecedented era of “connected vehicles” is becoming an imminent reality. This is driven by advances in vehicular communications, and the development of in-vehicle telematics systems supporting a plethora of applications. ... -
Predictive Wireless Antenna Selection for High Mobility Conditions
(2013-01-31)Accurate channel knowledge is indispensable to the practical success of channel-aware wireless communication technologies. However, channel estimates obtained from pilot symbols rapidly become outdated due to fast time ... -
Procedures to Analyze and Design Decentralized, Distributed Sensor Networks for Change Detection
The emergence of the Internet of Things (IoT) has reinvigorated interest into the distributed quickest change detection problem within wireless sensor networks. Although a number of system designs addressing this problem ... -
Processing the Intracardiac Electrogram for Atrial Fibrillation Ablation
(2016-09-29)Atrial fibrillation (AF) is a major global health issue as it is the most prevalent sustained supraventricular arrhythmia. Catheter-based ablation of some parts of the atria is considered an effective treatment of AF. The ... -
Projector-Camera Calibration Using Gray Code Patterns
(2010-06-30)A parameter-free solution is presented for data projector calibration using a single camera and Gray coded structured light patterns. The proposed method assumes that both camera and projector exhibit significant non-linear ... -
Pulsed RF Circuits for Ultra Wideband Communications and Radar Applications
(2011-08-23)This thesis explores the design of fast-settling pulse generators and pulsed low noise amplifiers (LNAs) for Ultra-Wideband (UWB) applications. These components are critical in pulsed UWB transceivers, and a high energy ...