Browsing Electrical & Computer Engineering by Issue Date
Now showing items 41-60 of 153
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Network Convergence in Multicarrier Hybrid Cellular Network
(North Dakota State University, 2014)In a multicarrier communication system with known channel state information at transmitter (CSIT), it is well-known that the water-filling power allocation scheme is optimal in achieving the Shannon capacity. However, in ... -
On the Secrecy Capacity of Fading Gaussian Wire-Tap Channel
(North Dakota State University, 2014)We consider the so called “wire-tap channel”, where a transmitter sends secret information to its receiver in the presence of an eavesdropping receiver with similar signal processing capability as the desired receiver. It ... -
Interior Permanent Magnet Synchronous Motor Demagnetization Fault Modeling and Analysis by Using Dynamic Phasors Model
(North Dakota State University, 2014)Interior permanent magnet synchronous motor (IPMSM) has been widely used in hybrid electric vehicles (HEVs) since the high power density and efficiency. However, the primary drawback of IPMSM is the demagnetization phenomenon ... -
Design and Analysis of New Printed Wideband Antennas for Wireless Applications
(North Dakota State University, 2014)In this study a simple method to develop a wideband antenna is proposed. With this new technique a dipole antenna with a 48% frequency bandwidth is transformed to achieve a 120% frequency bandwidth for a voltage standing-wave ... -
A Metamaterial-Based Multiband Phase Shifter
(North Dakota State University, 2014)A design methodology for a multi-band phase shifter using a metamaterial-based transmission line was developed. This method is different in that the loaded-line phase shifter has a phase shift of 90 degrees at the center ... -
Low-Cost Passive UHF RFID Tags on Paper Substrates
(North Dakota State University, 2014)To reduce the significant cost in the widespread deployment of UHF radio frequency identification (RFID) systems, an UHF RFID tag design is presented on paper substrates. The design is based on meander-line miniaturization ... -
Using Formal Methods to Validate the Usage, Protocols, and Feasibility in Large Scale Computing Systems
(North Dakota State University, 2014)A paradigm shift has occurred in the Information and Communication Technology sector. The main obstacle to relegate complex and sensitive tasks is not the inadequate speed and unsatisfactory computing power of the existing ... -
A New Methodology for the Design and Tuning of Robust PID Controllers in Electric Drives
(North Dakota State University, 2014)AC induction motor-drive systems are the backbone for numerous industrial applications, such as aerospace, medical equipment, and nuclear power plants. The control performance of electric drives is sensitive to several ... -
A New Method of Dynamic Reliability Management for Chip Multi-Processors
(North Dakota State University, 2014)This work presents a new dynamic reliability management controller which successfully extends the expected lifetime of Chip Multi-Processors (CMPs). This is achieved by migrating tasks within the CMP, effectively reducing ... -
Secure Data Sharing in Cloud
(North Dakota State University, 2014)Cloud storage is widely used for sharing data due to low cost maintenance. But, it is also necessary to secure data on cloud. Secure Data Sharing in Cloud focuses mainly on: a) privacy and confidentiality, b) key management ... -
Volumetric Degenerative Routing for 3D Network-On-Chip
(North Dakota State University, 2014)As we reach the limits of scaling down of circuits, Three Dimensional Integrated Circuits (3D ICs) offer a very promising opportunity to keep on increasing the processing capacities and speed. In a Multi-Processor ... -
Efficient Message Dissemination Framework for Diverse Wireless Networks
(North Dakota State University, 2014)Wireless networks exhibit diversity, ranging from mostly disconnected delay tolerant networks and partially connected mobile ad hoc networks, to mostly connected cellular networks. Besides having useful applications, ... -
Content Dissemination Schemes for Mobile Clouds: Modeling, Analysis, and Verification
(North Dakota State University, 2014)In this work, we capitalize on our previous work on the Hybrid Scheme for Message Replication (HSM) for opportunistic networks, to develop two content dissemination schemes for mobile clouds, namely, the Forecast and Relay ... -
Implementation of Fourier Repetitive Control in Labview
(North Dakota State University, 2014)This thesis presents position control as well as current (torque) control of a DC servo motor with a periodic input. Position control is achieved by using Fourier repetitive control scheme. Simulation on position control ... -
FPGA-Based Simulation and Implementation of Induction Motor Torque Control Systems Based on Direct Torque Control (DTC)
(North Dakota State University, 2014)Electric drives for induction machines are of great importance because of the popularity of this machine type. To design, simulate and implement such drives, fast, reliable digital signal processors are needed. Recently ... -
Analysis and Characterization of Cloud Based Data Center Architectures for Performance, Robustness, Energy Efficiency, and Thermal Uniformity
(North Dakota State University, 2014)Cloud computing is anticipated to revolutionize the Information and Communication Technology (ICT) sector and has been a mainstream of research over the last decade. Today, the contemporary society relies more than ever ... -
Performance Enhancement of Pipeline ADCs
(North Dakota State University, 2014)The pipeline ADC is mainstream architecture in wireless communication and digital consumer products because of its speed, resolution, dynamic performance, and power consumption. However, there are three areas of concern ... -
Metamaterial-Inspired Reconfigurable Series-Fed Arrays
(North Dakota State University, 2014)One of the biggest challenges in modern day wireless communication systems is to attain agility and provide more degrees of freedom in parameters such as frequency, radiation pattern and polarization. Existing phased array ... -
Perceptual Video Quality Model and its Application in Wireless Multimedia Communications
(North Dakota State University, 2015)With the exponential growth of video traffic over wireless networked and embedded devices such as mobile phones and sensors, mechanisms are needed to predict the perceptual quality of video in real time and with low ... -
Characterization of a Structure Consisting of Magnetostatic Responsive Microscopic Particles and Its Applications In Antennas
(North Dakota State University, 2015)Wireless communication systems often require that a single antenna work at different frequencies. Thus the recon gurable antennas are useful in frequency agile environments to receive a signal over multiple bands. Research ...