Browsing Electrical Communication Engineering (ECE) by Title
Now showing items 270-289 of 380
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Phase Sensitive Estimation Of Fluorescence Lifetime For Fiber Optic Biosensors
(Indian Institute of Science, 2005-10-04)Fluorescence lifetime determination and allied studies find application in spectroscopy in general and fiber optic biosensors in particular. Instruments and sensors cited in literature however use open loop, intensity based ... -
Photonic Crystal Ring Resonators for Optical Networking and Sensing Applications
(2017-12-03)Photonic bandgap structures have provided promising platform for miniaturization of modern integrated optical devices. In this thesis, a photonic crystal based ring resonator (PCRR) is proposed and optimized to exhibit ... -
Physical Layer Impairments Aware Transparent Wavelength Routed and Flexible-Grid Optical Networks
(2018-06-26)Optical WDM network is the suitable transport mechanism for ever increasing bandwidth intensive internet applications. The WDM technique transmits the data over several different wavelengths simultaneously through an ... -
Power Scaling Mechanism for Low Power Wireless Receivers
(2018-06-26)LOW power operation for wireless radio receivers has been gaining importance lately on account of the recent spurt of growth in the usage of ubiquitous embedded mobile devices. These devices are becoming relevant in all ... -
Precoding and Channel Estimation Schemes for MIMO VLC Systems
Increase in the usage of smartphones and growing demand for data have resulted in congestion in the RF spectrum. To ease the overcrowding of RF spectrum, there is a need for wireless communication systems that can ... -
Precoding for Interference Management in Wireless and Wireline Networks
(2018-02-27)Multiple users compete for a common resource like bandwidth to communicate data in interference networks. Existing approaches in dealing with interference limit the rate of communication due to paucity of shared resources. ... -
Privacy in Information Retrieval, Delivery and Distributed Computing
The aim of our work is to address the challenges of privacy in information retrieval, information delivery, and in distributed computing systems. We focus on reducing the download and upload costs and decreasing the ... -
Probabilistic Forwarding of Coded Packets for Broadcasting over Networks
Motivated by applications in sensor networks and the Internet of Things (IoT), in this dissertation, we consider the problem of energy-efficient broadcasting from a source node in a large dense network. Flooding, as a ... -
Process Variability-Aware Performance Modeling In 65 nm CMOS
(2011-02-25)With the continued and successful scaling of CMOS, process, voltage, and temperature (PVT), variations are increasing with each technology generation. The process variability impacts all design goals like performance, ... -
Providing QoS To Real-time And Data Applications In 3G Wireless Systems
(2010-07-29)In this thesis we address the problem of providing end-to-end quality of service (QoS) to real-time and data connections in a third generation (3G) cellular network based on the Universal Mobile Telecommunication System ... -
QoS Aware Quorumcasting Over Optical Burst Switched Networks
(2010-10-11)Recently there is an emergence of many Internet applications such as multimedia, video conferencing, distributed interactive simulations (DIS), and high-performance scientific computations like Grid computing. These ... -
Quantitative Nonlinear Optical Microscopy with Applications in Nanostructure Imaging and Cancer Biology
Quantitative Nonlinear Optical Microscopy with Applications in Nanostructure Imaging and Cancer Biology Abstract: Nonlinear optical microscopy is a powerful imaging technique that has been used for imaging for diverse ... -
Quantum Algorithmic Engineering with Photonic Integrated Circuits
(2018-04-24)Integrated quantum photonics show monolithic waveguide chips to be a promising platform for realizing the next generation of quantum optical circuits. This work proposes the implementation of quantum page Rank algorithm ... -
Rate-Distortion Performance And Complexity Optimized Structured Vector Quantization
(2011-02-09)Although vector quantization (VQ) is an established topic in communication, its practical utility has been limited due to (i) prohibitive complexity for higher quality and bit-rate, (ii) structured VQ methods which are not ... -
Ray Chaos In Underwater Acoustics
(2013-01-24) -
Real-Time Status Updates Over Erasure Channels
Real-time decision making relies on the availability of accurate data and, as such, delivering status updates in a timely fashion is of paramount importance. In this thesis, we first look at the interplay between average ... -
Reduced Feedback Schemes in 4g/5g Ofdm Systems: Modeling, Performance Analysis and Redesign
Reduced feedback schemes are a crucial component of orthogonal frequency division multiplexing-based 4G and 5G cellular systems that use downlink scheduling, adaptive modulation and coding, and multiple-input-multiple-output ... -
Reinforcement Learning in Large and Structured Environments
In a reinforcement learning (RL) problem, a learner takes actions to control the state of an initially unknown environment so as to maximize the sum of the rewards he obtains. This has several applications in many practical ... -
Relay Selection for Geographical Forwarding in Sleep-Wake Cycling Wireless Sensor Networks
(2018-04-11)Advances in wireless communication and microelectronics have led to the development of low-power compact sensor nodes (popularly called motes) that are capable of sensing, computing, and communication. A large number of ...