Browsing Electrical Communication Engineering (ECE) by Title
Now showing items 141-160 of 383
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Frequency Synthesis for Cognitive Radio Receivers and Other Wideband Applications
(2018-05-25)The radio frequency (RF) spectrum as a natural resource is severely under-utilized over time and space due to an inefficient licensing framework. As a result, in-creasing cellular and wireless network usage is placing ... -
Fully Integrated CMOS Transmitter and Power Amplifier for Software-Defined Radios and Cognitive Radios
(2018-05-18)Software Defined Radios (SDRs) and Cognitive Radios (CRs) pave the way for next-generation radio technology. They promise versatility, flexibility and cognition which can revolutionize communications systems. However they ... -
Functional Index Coding, Network Function Computation, and Sum-Product Algorithm for Decoding Network Codes
(2018-01-10)Network coding was introduced as a means to increase throughput in communication networks when compared to routing. Network coding can be used not only to communicate messages from some nodes in the network to other nodes ... -
Functional Safety Analysis Techniques for Integrated Circuits Used in Cyber-Physical Systems
Integrated Circuits (ICs) are used to realize multitude of real life systems. These real life systems have ICs interacting with physical systems (this combination being referred to as cyber-physical systems or hybrid ... -
Fundamentals Limits Of Communication In Interference Limited Environments
(2017-08-21)In multiuser wireless communications, interference not only limits the performance of the system, but also allows users to eavesdrop on other users’ messages. Hence, interference management in multiuser wireless communication ... -
Fusion of Sparse Reconstruction Algorithms in Compressed Sensing
(2018-06-08)Compressed Sensing (CS) is a new paradigm in signal processing which exploits the sparse or compressible nature of the signal to significantly reduce the number of measurements, without compromising on the signal reconstruction ... -
Generalized Likelihood Ratio Procedures for Early Detection of Machine Faults
Condition monitoring of industrial machinery is an important example of a cyber physical system (CPS), in which measurements on a machine, transmitted over a wireless network, are used to make inferences about the health ... -
Generation of Modulated Microwave Signals using Optical Techniques for Onboard Spacecraft Applications
(2017-12-01)This thesis deals with optical synthesis of unmodulated and modulated microwave signals. Generation of microwave signals based on optical heterodyning is discussed in detail. The effect of phase noise of laser on heterodyned ... -
Graph Neural Networks with Parallel Local Neighborhood Aggregations
Graph neural networks (GNNs) have become very popular for processing and analyzing graph-structured data in the last few years. Using message passing as their basic building blocks that aggregate information from neighborhoods, ... -
Grassmannian Fusion Frames for Block Sparse Recovery and Its Application to Burst Error Correction
(2018-05-01)Fusion frames and block sparse recovery are of interest in signal processing and communication applications. In these applications it is required that the fusion frame have some desirable properties. One such requirement ... -
Guessing And Compression : A Large Deviations Approach
(2011-04-01)The problem of guessing a random string is studied. It arises in the analysis of the strength of secret-key cryptosystems against guessing attacks. Expected number of guesses, or more generally moments of the number of ... -
High Dimensional Quantum Information Technology Using Photonics: Protocol Development and Implementation Schemes
This thesis explores the realm of high-dimensional quantum information processing through the lens of photonics, focusing on developing and implementing quantum technologies based on d-level quantum systems known as qudits. ... -
High-k Dielectrics For Metal-Insulator-Metal Capacitors
(2016-11-23)Metal-insulator-metal (MIM) capacitors are used for analog, RF, and DRAM applications in ICs. The International Technology Roadmap for Semiconductors (ITRS) specifies continuing increase in capacitance density (> 7 fF/ ... -
High-Rate And Information-Lossless Space-Time Block Codes From Crossed-Product Algebras
(2007-10-23)It is well known that communication systems employing multiple transmit and multiple receive antennas provide high data rates along with increased reliability. It has been shown that coding across both spatial and temporal ... -
High-rate MSR Codes, Interior-point Regenerating Codes, and Codes with Hierarchical Locality
Given the breath-taking pace at which the amount of data being generated on a daily basis is growing, and the keen desire to extract information from this data, there is strong interest within the storage industry, at ... -
How are visual object representations organized and used to perform tasks ?
We rely heavily on vision for our daily activities, and around 40% of our brain is dedicated to vision. It is known that during a visual task, the visual information falling on the retina is processed in a hierarchy of ... -
Hybrid Electromagnetic Solvers for EMIEMC
With advances in technology and increased design complexity in the automotive industry, Electromagnetic Interference (EMI) and Electromagnetic Compatibility (EMC) issues are becoming increasingly important. An accurate ... -
A Hybrid Knowledge-Based System for Process Plant Fault Diagnosis
(Indian Institute of Science, 2005-03-11)Knowledge-Based Systems (KBSs) represent a relatively new programming approach and methodology that has evolved and is still evolving as an important sub-area of Artificial Intelligence (AI) research. The most prevalent ... -
Hypothesis Testing under Communication Constraints - Theory and an Application in IoT
Applications in the Internet of Things (IoT) often demand enabling low-compute devices to perform distributed inference and testing by communicating over a low bandwidth link. This gives rise to a plethora of new problems ...