Now showing items 21-40 of 1868

    • Achieving Soft Real-time Guarantees for Interactive Applications in Wireless Mesh Networks 

      Reid, Cecil (University of Waterloo, 2008-01-25)
      The use of 802.11-based multi-hop wireless mesh networks for Internet access is extensive and growing. The primary advantages of this approach are ease of deployment and lower cost. However, these networks are designed for ...
    • Active Matrix Flat Panel Bio-Medical X-ray Imagers 

      Lai, Jackson (University of Waterloo, 2008-01-28)
      This work investigates the design, system integration, optimization, and evaluation of amorphous silicon (a-Si:H) active matrix flat panel imagers (AMFPI) for bio-medical applications. Here, two hybrid active pixel sensor ...
    • Active Pixel Sensor Architectures for High Resolution Large Area Digital Imaging 

      Taghibakhsh, Farhad (University of Waterloo, 2008-05-02)
      This work extends the technology of amorphous silicon (a-Si) thin film transistors (TFTs) from traditional switching applications to on-pixel signal amplification for large area digital imaging and in particular, is aimed ...
    • Adaptive Compensation of Nonlinear Impairments in Fiber-Optic Systems 

      NekoeiQachkanloo, Hadi (University of Waterloo, 2020-01-17)
      Optical communication systems are vital for high rate telecommunication. Fiber-optic communication system is an excellent choice due to its low loss, high bandwidth, and robustness to electromagnetic interference. However, ...
    • Adaptive Control of a First-Order System Providing Linear-Like Behaviour and Asymptotic Tracking 

      Qazi, Hassaan Ali (University of Waterloo, 2021-07-19)
      Adaptive control is an approach used to deal with systems having uncertain and/or time-varying parameters. In this thesis, we consider the problem of designing an adaptive controller for a discrete-time first-order plant. ...
    • An Adaptive Digital Dynamic Range Controller 

      Schneider, Todd (University of Waterloo, 2016-10-25)
      High fidelity digital audio sources are capable of reproducing a much wider dynamic range than most conventional consumer media (e.g. AM/FM radio and audio cassettes). The research presented here addresses the problem ...
    • Adaptive Dual-Mode Arbitration for High-Performance Real-Time Embedded Systems 

      Mirosanlou, Reza (University of Waterloo, 2022-01-25)
      Multi-core platforms can deliver substantial computational power together with minimum costs, compact size, weight, and power usage. However, multi-core architectures are shaking the very foundation of modern real-time ...
    • Adaptive Fractal and Wavelet Image Denoising 

      Ghazel, Mohsen (University of Waterloo, 2004)
      The need for image enhancement and restoration is encountered in many practical applications. For instance, distortion due to additive white Gaussian noise (AWGN) can be caused by poor quality image acquisition, images ...
    • Adaptive Lattice Reduction in MIMO Systems 

      Danesh Jafari, Mohammad Erfan (University of Waterloo, 2008-05-22)
      In multiple-input multiple-output (MIMO) systems, the use of lattice reduction methods such as the one proposed by Lenstra-Lenstra-Lovasz (LLL) significantly improves the performance of the suboptimal solutions like ...
    • Adaptive Learning Algorithms for Non-stationary Data 

      Miao, Yun-Qian (University of Waterloo, 2015-04-22)
      With the wide availability of large amounts of data and acute need for extracting useful information from such data, intelligent data analysis has attracted great attention and contributed to solving many practical tasks, ...
    • Adaptive Medium Access Control for Internet-of-Things Enabled Mobile Ad Hoc Networks 

      Ye, Qiang (University of Waterloo, 2016-09-27)
      An Internet-of-Things (IoT) enabled mobile ad hoc network (MANET) is a self organized distributed wireless network, in which nodes can randomly move making the network traffic load vary with time. A medium access control ...
    • Adaptive Monitoring of Complex Software Systems using Management Metrics 

      Munawar, Mohammad Ahmad (University of Waterloo, 2009-10-02)
      Software systems supporting networked, transaction-oriented services are large and complex; they comprise a multitude of inter-dependent layers and components, and they implement many dynamic optimization mechanisms. ...
    • Adaptive OFDM Cooperative Systems 

      Amin, Osama Mohammed Hussein (University of Waterloo, 2010-12-08)
      Cooperative communication is a promising technique for wireless communication systems where wireless nodes cooperate together in transmitting their information. Such communication transmission technique, which realizes the ...
    • Adaptive Path Following for an Underactuated Nonholonomic Mobile Manipulator 

      Barrera Perez, Orlando Jair (University of Waterloo, 2020-01-17)
      We investigate an adaptive path following problem for an underactuated nonholonomic mobile manipulator system and closed planar curves. As opposed to adapting to uncertain or unknown dynamics in the plant, we apply an ...
    • Adaptive Power Amplifiers for Modern Communication Systems with Diverse Operating Conditions 

      Mahmoud Mohamed, Ahmed (University of Waterloo, 2013-11-26)
      In this thesis, novel designs for adaptive power amplifiers, capable of maintaining excellent performance at dissimilar signal parameters, are presented. These designs result in electronically reconfigurable, single-ended ...
    • Adaptive Power Control for Energy Harvesting Communication Systems 

      Masoud, Badiei Khuzani (University of Waterloo, 2013-12-06)
      Sustaining energy requirement for wireless devices is the main barrier in building autonomous communication systems and service-free networks. Specifically, in large-scale networks where normally wired energy infrastructures ...
    • Adaptive Streaming: From Bitrate Maximization to Rate-Distortion Optimization 

      Duanmu, Zhengfang (University of Waterloo, 2021-09-30)
      The fundamental conflict between the increasing consumer demand for better Quality-of-Experience (QoE) and the limited supply of network resources has become significant challenges to modern video delivery systems. Stat ...
    • An Adaptive Teachable Robot For Encouraging Teamwork 

      Baghaei Ravari, Parastoo (University of Waterloo, 2021-01-26)
      Social robots used in education can take different roles, including tutor robots and peer robots. Peer robots (also called teachable robots) take the role of a novice in a teaching interaction while the students take the ...
    • Adaptive Vertical Handoff for Integrated UMTS and WLAN Networks 

      Bai, Liping (University of Waterloo, 2007-10-26)
      Next-generation wireless networks have been envisioned to be an integration of heterogeneous wireless access networks such as UMTS (Universal Mobile Telecommunication Networks) and the IEEE 802.11 based WLAN (Wireless ...
    • Adaptive Weighted Scheduling in Cognitive Radio Networks 

      Wang, Feng (University of Waterloo, 2009-05-22)
      A problem in modern wireless communications is the scarcity of electromagnetic radio spectrum. The traditional fixed spectrum assignment strategy results in spectrum crowding on most frequency bands. Due to limited ...

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