Browsing Electrical Communication Engineering (ECE) by Title
Now showing items 8-27 of 381
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Algorithms For Spatial Modulation Systems
(2018-07-28)It is well known that multiple antennas at the transmitter and receiver are imperative for reliable and high data-rate communication over wireless channels. However, these systems essentially need multiple radio frequency ... -
Analysis and Mitigation of SideLobe Degradation due to Quantized control in mmWave 5G Phased Arrays
Antenna arrays are one of the most important parts of the RF communication systems. With the advancement in the eld of 5G mobile communication, electronically steerable arrays, particularly phased arrays have undergone ... -
Analysis and Optimization of Cooperative Amplify-and-Forward Relaying with Imperfect Channel Estimates
(2018-03-17)Relay-based cooperation promises significant gains in a wireless network as it provides an inde-pendent path between a source and a destination. Using simple single antenna nodes, it exploits the spatial diversity provided ... -
Analysis Of Broad-band And High-Efficiency Folded-Waveguide Slow-Wave Structure For Millimeter-Wave Traveling-Wave Tubes
(2014-08-20)Vacuum microwave tubes, such as klystron, traveling-wave tube, gyrotron are high efficiency devices, where the RF interaction structure facilitates efficient energy transfer from the kinetic energy of the high energy ... -
Analysis of Multi-Conductor Coupled Microstrip Lines with an Aperture in the Ground Plane for Compact Broadband Microwave Components
(2018-04-11)In recent years, the wireless industry has witnessed tremendous development for the defense and commercial segments. The explosive growth in the modern radio frequency and microwave systems leads to an increased interest ... -
Analysis Of Multichannel And Multimodal Biomedical Signals Using Recurrence Plot Based Techniques
(2015-12-01)For most of the naturally occurring signals, especially biomedical signals, the underlying physical process generating the signal is often not fully known, making it difficult to obtain a parametric model. Therefore, signal ... -
Analysis of Printed Periodic Structures and Their Applications in Antennas and Absorbers
To meet the demand of continuously growing RF and microwave technologies, scientists and engineers have developed innovative materials consisting of conducting and dielectric materials that overcome limitations in the ... -
Analysis, Diagnosis and Design for System-level Signal and Power Integrity in Chip-package-systems
(2018-05-25)The Internet of Things (IoT) has ushered in an age where low-power sensors generate data which are communicated to a back-end cloud for massive data computation tasks. From the hardware perspective this implies co-existence ... -
Analytical And Numerical Study Of Propagation In Optical Waveguides And Devices In Linear And Nonlinear Domains
(2010-07-23)The objective of this thesis is to study of optical effects, arising in the form of non-uniform waveguide structure, complicated refractive index profiles or due to pulse propagation in dense wavelength division multiplexing ... -
Anonymity With Authenticity
(2014-09-02)Cryptography is science of secure message transmission. Cryptanalysis is involved with breaking these encrypted messages. Both cryptography and cryptanalysis constitute together to form cryptology. Anonymity means ... -
Auditory Timbre and Spatialisation: Signal Analysis and Perception of Source Widening
In this work, auditory perception of source widening is examined in the context of different source signal timbre. Perception of widening of source or auditory source width (ASW) arises in three cases: (i) In the presence ... -
Bayesian Techniques for Joint Sparse Signal Recovery: Theory and Algorithms
This thesis contributes new theoretical results, solution concepts, and algorithms concerning the Bayesian recovery of multiple joint sparse vectors from noisy and underdetermined linear measurements. The thesis is written ... -
Belief Propagation and Algorithms for Mean-Field Combinatorial Optimisations
(2017-11-15)We study combinatorial optimization problems on graphs in the mean-field model, which assigns independent and identically distributed random weights to the edges of the graph. Specifically, we focus on two generalizations ... -
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 ... -
Bitrate Reduction Techniques for Low-Complexity Surveillance Video Coding
(2017-09-26)High resolution surveillance video cameras are invaluable resources for effective crime prevention and forensic investigations. However, increasing communication bandwidth requirements of high definition surveillance videos ... -
Blind Detection Techniques For Spread Spectrum Audio Watermarking
(2009-08-13)In spreads pectrum (SS)watermarking of audio signals, since the watermark acts as an additive noise to the host audio signal, the most important challenge is to maintain perceptual transparency. Human perception is a very ... -
Blocker-tolerant Receiver Design Suitable for Software-defined and Cognitive Radio Applications
The ever growing demand for higher data rates and the heavy usage of wireless communication devices have created frequency congestion on certain bands of the radio spectrum. The push has been towards new standards that can ...