Browsing Electrical and Computer Engineering by Title
Now showing items 769-788 of 1977
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Heterojunction Quantum Dot Solar Cells
(University of Waterloo, 2016-08-18)The advent of new materials and application of nanotechnology has opened an alternative avenue for fabrication of advanced solar cell devices. Before application of nanotechnology can become a reality in the photovoltaic ... -
Hierarchical Coordinated Fast Frequency Control using Inverter-Based Resources for Next-Generation Power Grids
(University of Waterloo, 2023-08-04)The proportion of inverter-connected renewable energy resources (RES) in the grid is expanding, primarily displacing conventional synchronous generators. This shift significantly impacts the objective of maintaining grid ... -
High Aspect Ratio Polystyrene Structure and Nano-gap Electrode Fabrication Using Electron Beam Lithography
(University of Waterloo, 2017-06-22)Nanotechnology has experienced a rapid growth over the past decade, thanks to the development of nanofabrication technologies needed to fabricate nano-devices. The key technique for nanofabrication is nano-lithography. ... -
High Efficiency CMOS Power Amplifiers for Drain Modulation Based RF Transmitters
(University of Waterloo, 2010-01-27)The rapid evolution of wireless communication technologies increased the need for handheld devices that can support dissimilar standards or better user mobility and more battery life. Traditional radio architectures fail ... -
High Efficiency Two-Stage GaN Power Amplifier with Improved Linearity
(University of Waterloo, 2013-08-23)The trade-off between linearity and efficiency is the key limiting factor to wideband power amplifier design. Current wireless research focuses much of its effort on building power amplifiers with the two aforementioned ... -
High Frequency Receiver Front-End Module for Active Antenna Applications
(University of Waterloo, 2015-09-15)This research is based on the analysis and development of an integrated receiver front-end module for high gain active antenna systems at the K-band (20GHz). In the design of conventional satellite receivers (such as ... -
High Frequency Statistical Arbitrage with Kalman Filter and Markov Chain Monte Carlo
(University of Waterloo, 2017-12-22)Statistical arbitrage, or sometimes called pairs trading, is an investment strategy which exploits the historical price relationships between two or several assets and profits from relative mispricing. It has a long ... -
High Linearity Broadband RF Vector Multiplier for Analog/RF Pre-distortion
(University of Waterloo, 2016-09-23)Wireless communication systems are moving towards a heterogeneous solution, where small-cell base stations such as pico-cells and femto-cells are used concurrently with macro- cell base stations in high data traffic areas. ... -
High Optical Throughput and Low-Cost Spectral Sensing Using Photonic Structures
(University of Waterloo, 2016-09-27)Spectral sensing is an accurate means of probing the environment in a non-invasive manner. One of the most common instruments to acquire spectral data is a spectrometer. Spectrometers continue to improve in throughput ... -
A High Performance DDR4 Memory Controller on FPGA
(University of Waterloo, 2024-02-22)We introduce a high-performance DDR4 SDRAM memory controller synthesizable design for AMD/Xilinx's FPGA devices. Due to limitations in operating frequency, the design on FPGA presents additional challenges compared to ASIC: ... -
High Performance Digital Circuit Techniques
(University of Waterloo, 2009-11-06)Achieving high performance is one of the most difficult challenges in designing digital circuits. Flip-flops and adders are key blocks in most digital systems and must therefore be designed to yield highest performance. ... -
High Performance Elliptic Curve Cryptographic Co-processor
(University of Waterloo, 2003)In FIPS 186-2, NIST recommends several finite fields to be used in the elliptic curve digital signature algorithm (ECDSA). Of the ten recommended finite fields, five are binary extension fields with degrees ranging ... -
High Performance Integrated Beam-Steering Techniques for Millimeter-Wave Systems
(University of Waterloo, 2015-08-13)Recently, the research and development of low cost and highly efficient millimeter-wave (mmWave) systems with beam-steering capabilities have significantly advanced to address the ever-increasing demand for future wireless ... -
High Performance WLAN Using Smart Antenna
(University of Waterloo, 2007-09-25)The need for higher data rates in WLANs boosts drastically because tremendous consumer interest in emerging multimedia applications, such as HDTV, has been increased. Currently, the IEEE 802.11a/b/g WLANs provide a limited ... -
High Performance, Low Cost Lateral Metal-Semiconductor-Metal Photodetector for Large Area Indirect X-Ray Imaging
(University of Waterloo, 2013-10-28)The most promising technology for radiography is active matrix flat panel imaging systems (AMFPI). However, AMFPI systems are relatively expensive in comparison with conventional computed radiography (CR) systems. Therefore ... -
High Power Analysis of Filters and Diplexers
(University of Waterloo, 2013-01-11)The ever-increasing popularity and usage of communication devices has resulted in power density becoming more demanding due to crowding of frequency spectrums and narrowing of bandwidths. Consequently, the power-handling ... -
High Q Tunable Filters
(University of Waterloo, 2012-09-28)Microwave tunable filters are key components in radar, satellite, wireless, and various dynamic communication systems. Compared to a traditional filter, a tunable filter is able to dynamically pass the required signal and ... -
High Resolution/Wideband on-Chip Phase-Shifting
(University of Waterloo, 2011-08-17)A new active LO phase shifter was introduced and implemented in a 2x2 wide band MIMO receiver. The chip was designed with STMicroelectronics 90nm technology. The main advantages of the proposed phase shifter over previous ... -
High Voltage Grounding Systems
(University of Waterloo, 2011-02-10)Minimization of Construction Costs of Substation Grounding Grids: In every electrical installation, one of the most important aspects is adequate grounding; in particular, the grounding of high-voltage substations to protect ... -
High-Efficiency Millimeter-Wave Front-Ends for Large Phased-Array Transmitters
(University of Waterloo, 2020-10-26)The ever-increasing demand for wireless broadband connectivity requires infrastructure capable of supporting data transfer rates at multi-Gbps. To accommodate such heavy traffic, the channel capacity for the given spectrum ...