Division of Electrical, Electronics, and Computer Science (EECS): Recent submissions
Now showing items 1121-1140 of 1322
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Belief Propagation Based Signal Detection In Large-MIMO And UWB Systems
(2011-02-03)Large-dimensional communication systems are likely to play an important role in modern wireless communications, where dimensions can be in space, time, frequency and their combinations. Large dimensions can bring several ... -
Low-PAPR, Low-delay, High-Rate Space-Time Block Codes From Orthogonal Designs
(2011-02-03)It is well known that communication systems employing multiple transmit and multiple receive antennas provide high data rates along with increased reliability. Some of the design criteria of the space-time block codes ... -
Investigations On Dodecagonal Space Vector Generation For Induction Motor Drives
(2011-01-27)Multilevel converters are finding increased attention in industry and academia as the preferred choice of electronic power conversion for high power applications. They have a wide application area in a variety of industries ... -
Intelligent Systems Applications For Improving Power Systems Security
(2011-01-25)Electric power systems are among the most complex man made systems on the world. Most of the time, they operate under quasi-steady state. With the ever increasing load demand and the advent of the deregulated power market ... -
Intersection Graphs Of Boxes And Cubes
(2011-01-25)A graph Gis said to be an intersection graph of sets from a family of sets if there exists a function ƒ : V(G)→ such that for u,v V(G), (u,v) E(G) ƒ (u) ƒ (v) ≠ . Interval graphs are thus the intersection graphs ... -
Analysis Of A Sieving Heuristic For The Number Field Sieve And Design Of Low-Correlation CDMA Sequences
(2011-01-25)In this thesis, we investigate in detail, certain important problems in cryptography and coding theory. In the first part of this thesis, we discuss the number field sieve and compare the two ways in which the sieving ... -
A Workload Based Lookup Table For Minimal Power Operation Under Supply And Body Bias Control
(2011-01-25)Dynamic Voltage Scaling (DVS) and Adaptive body bias (ABB) techniques respectively try to reduce the dynamic and static power components of an integrated circuit. Ideally, the two techniques can be combined to find the ... -
A Dynamic Security And Authentication System For Mobile Transactions : A Cognitive Agents Based Approach
(2011-01-25)In the world of high mobility, there is a growing need for people to communicate with each other and have timely access to information regardless of the location of the individuals or the information. This need is supported ... -
Novel Methods For Estimation Of Static Nonlinearity Of High-Speed High-Resolution Waveform Digitizers
(2011-01-20)Analog-to-digital converter (ADC) is the main workhorse in a digital waveform recorder. Strictly speaking, an ADC is supposed to perform uniformly, irrespective of the characteristics of the signal to be acquired. However, ... -
On Asymmetric Distributed Source Coding For Wireless Sensor Networks
(2011-01-19)We are concerned with addressing the worst-case distributed source coding (DSC) problem in asymmetric and interactive communication scenarios and its application to data-gathering wireless sensor networks in enhancing their ... -
Random Local Delay Variability : On-chip Measurement And Modeling
(2011-01-18)This thesis focuses on random local delay variability measurement and its modeling. It explains a circuit technique to measure the individual logic gate delay in silicon to study within-die variation. It also suggests a ... -
Spectro-Temporal Features For Robust Automatic Speech Recognition
(2011-01-18)The speech signal is inherently characterized by its variations in time, which get reflected as variations in frequency. The specto temporal changes are due to changes in vocaltract, intonation, co-articulation and successive ... -
Summer-Less Dual Charge Pump Based PLL With Wide Lock Range Using Analog Frequency Detector
(2011-01-18)Phase Locked Loop (PLL) is an integral component of clock generation circuits. A third order Charge Pump PLL (CPPLL) is most widely employed PLL architecture due to its zero steady state phase error. A monolithic implementation ... -
Modeling, Real-time Simulation And Design Of Matrix Converters
(2011-01-11)Power converters have evolved from the classical low switching frequency thyristorised converters to the modern high-frequency switched mode converters employing fast power devices such as Insulated Gate Bipolar Transistors ... -
Distributed Joint Source-Channel Coding For Multiple Access Channels
(2010-12-31)We consider the transmission of correlated sources over a multiple access channel(MAC). Multiple access channels are important building blocks in many practical communication systems, e.g., local area networks(LAN), cellular ... -
Flexible Constraint Length Viterbi Decoders On Large Wire-area Interconnection Topologies
(2010-12-30)To achieve the goal of efficient ”anytime, anywhere” communication, it is essential to develop mobile devices which can efficiently support multiple wireless communication standards. Also, in order to efficiently accommodate ... -
Efficient Compilation Of Stream Programs Onto Multi-cores With Accelerators
(2010-12-30)Over the past two decades, microprocessor manufacturers have typically relied on wider issue widths and deeper pipelines to obtain performance improvements for single threaded applications. However, in the recent years, ... -
Integrated Approach To Filter Design For Grid Connected Power Converters
(2010-12-30)Design of filters used in grid-connected inverter applications involves multiple constraints. The filter requirements are driven by tight filtering tolerances of standards such as IEEE 519-1992–IEEE Recommended Practices ... -
Analytical Modeling Of Quantum Thershold Voltage For Short Channel Multi Gate Silicon Nanowire Transistors
(2010-12-29)Silicon nanowire based multiple gate metal oxide field effect transistors(MG-MOSFET) appear as replacements for conventional bulk transistors in post 45nm technology nodes. In such transistors the short channel effect(SCE) ... -
Modeling Of Dust Loaded Electrical Characteristics And Collection Efficiency Of Industrial Electrostatic Precipitators
(2010-12-08)With the increase in population and industrial growth, the need for power has increased manifold. A major share of India’s power generation is coal-based generation. Thermal power generation through coal combustion produces ...