Browsing Department of Electrical and Computer Engineering Graduate Theses by Publish Date
Now showing items 1-20 of 329
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A low feedback robust opportunistic scheduler and beamformer for MISO wireless systems
(2007-07-06)Opportunistic Beamforming is a promising scheme with potential usage in a variety of applications ranging from cellular audio/video communications to wireless mesh-networks. However, some aspects in this scheme are open ... -
Transimpedance amplifier design using 0.18 um CMOS technology
(2007-07-19)This thesis examines the design of high speed transimpedance amplifiers (TIAs) in low cost complimentary metal oxide semiconductor (CMOS) technology. Due to aggressive scaling, CMOS has become an attractive technology for ... -
Neural networks for transmission over nonlinear MIMO channels
(2007-08-09)Multiple-Input Multiple-Output (MIMO) systems have gained an enormous amount of attention as one of the most promising research areas in wireless communications. However, while MIMO systems have been extensively explored ... -
All-optical 3R regeneration for agile all-photonic networks
(2007-08-13)Transmission impairments degrade the quality of optical signals, ultimately limiting the achievable transmission distance. Optical 3R regenerators provide an effective means of coping with transmission impairments by ... -
Modeling and evaluation of multi-core multithreading processor architectures in SystemC
(2007-08-13)Processor design has evolved over the years to take advantage of new technology and innovative concepts in order to improve performance. Diminishing returns for improvements based on current techniques such as exploiting ... -
A new generic maximum-likelihood metric expression for space-time block codes with applications to decoding
(2007-08-21)Space-time block coding is a technique used to exploit diversity in a multiple-input multiple-output (MIMO) environment. Orthogonal space-time block codes (OSTBCs) are desirable because they can achieve full transmit ... -
Analysis and improvement of performance and power consumption of chip multi-threading SMP architectures
(2007-08-28)Emerging processor technologies are becoming commercially available that make multi-processor capabilities affordable for use in a large number of computer systems. Increasing power consumption by this next generation of ... -
Multiple Description Coding : proposed methods and video application
(2007-08-29)Multiple description coding (MDC) has received a lot of attention recently, and has been studied widely and extended to many demanding applications such as speech and video. MDC is a coding technique that generates ... -
Novel Digital Controller for Multi Full-Bridge DC/DC Converter
(2007-09-27)Distributed generation that utilizes 5-10kW Solid Oxide Fuel Cells requires power electronics to optimize the overall system efficiency while reducing the cost. The Adaptive Energy Zero-Voltage-Switching Phase-Shift-Modulated ... -
Radio frequency direct-digital QPSK modulators in CMOS technology
(2007-09-28)In this thesis, novel direct-digital Quadrature Phase Shift Keying (QPSK) modulators are proposed in low-cost Complimentary Metal Oxide Semiconductor (CMOS) technology for radio frequency (RF) wireless applications. ... -
A Framework for Radio Resource Management in Heterogeneous Wireless Networks
(2007-10-01)Heterogeneous Wireless Networks (HWNs) are composite networks made of different wireless access technologies, possibly with overlapping coverage. Users with multi-mode terminals in HWNs will be able to initiate connectivity ... -
Analysis and Design of Multiple Description Codes for Wired and Wireless Channels
(2007-10-02)The increasing demand on multimedia communication over wired and wireless networks imposes a continuous pressure on developing more robust coding schemes. Recently, joint source-channel coding with multiple description ... -
The use of EMG for load prediction during manual lifting
(2007-10-15)The Ergonomics Research Group at Queen’s University, supported by the Workplace and Safety Insurance Board, has been developing an on-line system to estimate peak and cumulative joint loading in the workplace. This study ... -
Implementation of coarse-grain coherence tracking support in ring-based multiprocessors
(2007-10-25)As the number of processors in multiprocessor system-on-chip devices continues to increase, the complexity required for full cache coherence support is often unwarranted for application-specific designs. Bus-based interconnects ... -
Distributed Contention-Free Access for Multi-hop IEEE 802.15.4 Wireless Sensor Networks
(2007-10-26)The IEEE 802.15.4 standard is a low-power, low-rate MAC/PHY standard that meets most of the stringent requirements of single-hop wireless sensor networks. Sensor networks with nodal populations comprised of thousands of ... -
Experimental Validation of an Elastic Registration Algorithm for Ultrasound Images
(2007-10-29)Ultrasound is a favorable tool for intra-operative surgical guidance due to its fast imaging speed and non-invasive nature. However, deformations of the anatomy caused by breathing, heartbeat, and movement of the patient ... -
IMPACT STUDY OF MULTIMODE FIBRE TAPER IN MODAL NOISE UNDER RESTRICTED OFFSET LAUNCH CONDITIONS
(2007-11-15)Delivering high bandwidth to the individual household or small business is currently a major bottleneck in the high speed network, a problem referred to as the last mile issue. Multimode fibre is widely deployed in the ... -
Investigating the Feasibility of Asynchronous Design Methodologies in Large-scale Microprocessor Systems
(2007-12-20)Microprocessor systems have been advancing at a phenomenal rate, with each new generation introducing improved fabrication processes and architectural innovations. Unfortunately, traditional fabrication techniques cannot ... -
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 ... -
Device Deployment Strategies for Large-scale Wireless Sensor Networks
(2008-01-16)Planning device deployment is a fundamental issue in implementing wireless sensor network (WSN) applications. This design practice determines types, numbers and locations of devices in order to build a powerful and effective ...