Browsing Electrical and Computer Engineering by Title
Now showing items 1384-1403 of 1968
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Performance of Massive MIMO with Interference Decoding
(University of Waterloo, 2021-08-06)In a massive MIMO system, base stations (BS) utilize a large number of antennas to simultaneously serve several (single or multi-antenna) users at once, where the number of BS antennas is normally assumed to be significantly ... -
Performance of Multi-antenna Wireless Systems with Channel Estimation Error
(University of Waterloo, 2015-04-14)Wireless services and applications have become extremely popular and widely employed over the past decades. This, in turn, has led to a dramatic increase in the number of wireless users who demand reliable services with ... -
Performance Prediction Upon Toolchain Migration in Model-Based Software
(University of Waterloo, 2015-09-29)Changing the development environment can have severe impacts on the system behavior such as the execution-time performance. Since it can be costly to migrate a software application, engineers would like to predict the ... -
Performance Test Selection Using Machine Learning and a Study of Binning Effect in Memory Allocators
(University of Waterloo, 2019-04-30)Performance testing is an essential part of the development life cycle that must be done in a timely fashion. However, checking for performance regressions in software can be time-consuming, especially for complex systems ... -
Periodic Adaptive Control for First-Order Discrete-Time Plants
(University of Waterloo, 2016-10-24)In adaptive control the goal is to deal with systems that have unknown and/or time- varying parameters. An adaptive controller typically consists of an LTI compensator together with an identifier or a tuner which is used ... -
Periodic Adaptive Stabilization of Rapidly Time-Varying Linear Systems
(Springer, 2019-06-19)Adaptive control deals with systems that have unknown and/or time-varying parameters. Most techniques are proven for the case in which any time variation is slow, with results for systems with fast time variations limited ... -
Periodic Nonlinear Adaptive Control of Rapidly Time-Varying Linear Systems
(University of Waterloo, 2018-09-25)In adaptive control the goal is to deal with systems that have unknown and/or time-varying parameters. Most techniques are proven for the case in which any time-variation is slow, with results for systems with fast ... -
Personalized Defect Prediction
(University of Waterloo, 2013-08-30)Academia and industry expend much effort to predict software defects. Researchers proposed many defect prediction algorithms and metrics. While previous defect prediction techniques often take the author of the code into ... -
PEV Charging Infrastructure Integration into Smart Grid
(University of Waterloo, 2020-05-05)Plug-in electric vehicles (PEVs) represent a huge step forward in a green transportation system, contribute to the reduction of greenhouse gas emission, and reduce the dependence on fossil fuel. With the increasing popularity ... -
Phase Retrieval Methods for Polychromatic Propagation-Based Phase-Contrast X-ray Imaging
(University of Waterloo, 2019-07-18)X-ray imaging, based on conventional attenuation methods, is employed in various industrial, medical and scientific imaging application. Phase-contrast X-ray imaging is an emerging modality that has shown promise to image ... -
Phase Shifter and LNA Design for Satellite Communication
(University of Waterloo, 2018-06-20)Phased arrays are being used in satellite communication systems in order to provide wireless data to mobile vehicles, ships and even aircrafts. This thesis focuses on the design of phase shifter, which is designed for the ... -
Phase-Locked Loop Stability Based on Stochastic Bounds
(Springer, 2015-08-11)In this paper we study the stability of a phase-locked loop (PLL) in the presence of noise. We represent the noise as Brownian motion and model the circuit as a nonlinear stochastic differential equation, with the noise ... -
A Phase-shifted Fiber Bragg Grating Based Humidity Sensor
(University of Waterloo, 2013-08-30)A humidity fiber optic sensor based on phase-shifted (PS) Fiber Bragg gratings (FBG) is demonstrated. Compared to the standard FBG sensors, the peak of the PS-FBG slips into 2 narrow peaks and forms a sharp dip in the ... -
Phased-Array Antenna-in-Package Technology for Emerging Millimeter Wave Applications
(University of Waterloo, 2022-03-22)The ever-increasing data rates for wireless technologies (e.g., satellite communications, fifth generation (5G) wireless communications, and automotive radars) has directed the interests towards millimeter wave (mm-Wave) ... -
A PHENOMENOLOGICAL MODEL OF SHAPE MEMORY ALLOYS INCLUDING TIME-VARYING STRESS
(University of Waterloo, 2007-08-22)Shape memory alloys (SMAs) are metallic materials, which have two main stable crystalline phases: austenite, a high temperature phase and martensite, a low temperature phase. Austenite and martensite each have unique ... -
Phosphor Coated UV-Responsive CCD Image Sensors
(University of Waterloo, 2002)Typical CCD image sensors are not sensitive to Ultra-Violet (UV) radiation, because the UV photons have a penetration depth of 2nm in the ~1µm thick polysilicon gate material. An inorganic phosphor coating was ... -
Photon Quantum Noise Limited Pixel and Array architectures in a-Si Technology for Large Area Digital Imaging Applications
(University of Waterloo, 2011-08-31)A Voltage Controlled Oscillator (VCO) based pixel and array architecture is reported using amorphous silicon (a-Si) technology for large area digital imaging applications. The objectives of this research are to (a) demonstrate ... -
Physical Layer Approach for Securing RFID Systems
(University of Waterloo, 2013-08-15)Radio Frequency IDentification (RFID) is a contactless, automatic identification wireless technology primarily used for identifying and tracking of objects, goods and humans. RFID is not only limited to identification and ... -
Physical Layer Securities in Wireless Communication Systems
(University of Waterloo, 2014-12-10)Due to the tremendous advancement in the semiconductor and microelectronics technologies, wireless technologies have blossomed in the recent decades. The large scale deployment of wireless networks have revolutionized the ... -
Physical Layer Techniques for OFDM-Based Cognitive Radios
(University of Waterloo, 2014-02-18)Cognitive radio has recently been proposed as a promising approach for efficient utilization of radio spectrum. However, there are several challenges to be addressed across all layers of a cognitive radio system design, ...