Browsing Electrical Communication Engineering (ECE) by Title
Now showing items 370-389 of 403
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Time-based All-Digital Technique for Analog Built-in Self Test
(2017-11-30)A scheme for Built-in-Self-Test (BIST) of analog signals with minimal area overhead, for measuring on-chip voltages in an all-digital manner is presented in this thesis. With technology scaling, the inverter switching times ... -
Timer-Based Selection Schemes for Wireless Networks
(2018-04-05)Opportunistic selection is a practically appealing technique that is often used in multi-node wireless systems such as scheduling and rate adaptation in cellular systems and opportunistic wireless local area networks, ... -
Topics In Modeling, Analysis And Optimisation Of Wireless Networks
(2010-11-02)The work in this thesis is concerned with two complementary aspects of wireless networks research; performance analysis and resource optimization. The first part of the thesis focusses on the performance analysis of IEEE ... -
Topics in Network Utility Maximization : Interior Point and Finite-step Methods
(2018-03-12)Network utility maximization has emerged as a powerful tool in studying flow control, resource allocation and other cross-layer optimization problems. In this work, we study a flow control problem in the optimization ... -
Topics In Performance Modeling Of IEEE 802.11 Wireless Local Area Networks
(2011-07-11)This thesis is concerned with analytical modeling of Wireless Local Area Networks (WLANs) that are based on IEEE 802.11 Distributed Coordination Function (DCF). Such networks are popularly known as WiFi networks. We have ... -
Topics on Safety and Security of Power Systems
In this thesis, we investigate some of the problems concerning the safety and security of power systems. Since the operational safety of the power system itself is a vast area of research, we choose to investigate the ... -
Towards a Generalized Approach in Design-for-Testability for Analog & Mixed-Signal ICs
The increasing complexity of analog and mixed-signal integrated circuits (AMS ICs) poses significant challenges in ensuring their reliability and functionality through effective testing methodologies. Traditional ... -
Towards a Unified Framework for Design of MEMS based VLSI Systems
(2018-02-12)Current day VLSI systems have started seeing increasing percentages of multiple energy domain components being integrated into the mainstream. Energy domains such as mechanical, optical, fluidic etc. have become all pervasive ... -
Towards Development Of Low Cost Electrochemical Biosensor For Detecting Percentage Glycated Hemoglobin
(2014-07-11)There is an ever growing demand for low cost biosensors in medical diagnostics. A well known commercially successful example is glucose biosensors which are used to diagonize and monitor diabetes. These biosensors use ... -
Towards Practical High Throughput Laser-based Indoor Optical Wireless Communication Systems
Wireless communication has become an essential necessity in our day-to-day life with majority of these systems currently use radio frequency (RF) technology to transmit information. To meet the high end requirements, new ... -
Transceiver Design Based on the Minimum-Error-Probability Framework for Wireless Communication Systems
(2018-06-19)Parameter estimation and signal detection are the two key components of a wireless communication system. They directly impact the bit-error-ratio (BER) performance of the system. Several criteria have been successfully ... -
Transmit Antenna Selection in Underlay Spectrum Sharing: Role of Power Adaptation, Interference Constraint, and Channel State Information
Spectrum sharing is essential to support high wireless data rates and a large number of wireless connections by the future technologies in the limited spectrum that is available. In underlay spectrum sharing a secondary ... -
True Random Number Generators based on Amplified Spontaneous Emission
Low-cost, high-speed quantum random number generators (QRNGs) are imperative to develop in order to have a widespread application in areas ranging from cryptography and stochastic simulations to banking and internet. ... -
A Two Step Optimal Decoding for PSK and Trellis Coded Modulation in Noisy Index Coding Problem
Index coding is a communication problem in which a server has a set of messages and wants to broadcast them to a set of receivers. Each receiver is interested in a single message, but some of the receivers may have some ... -
Ultrawideband and wide-angle scan antenna element and small active phased arrays
Wideband, wide-scan active phased arrays (APA) are widely used for multi-function radars, communication and electronic warfare. Although considerable research is available on the design and analysis of such antenna elements ... -
Underwater Acoustic Communications: Algorithms for Delay-Scale Spread Wideband Channels
In wideband wireless communication systems, the relative motion of the transmitter, receiver, or scatterers in the medium causes the Doppler effect, which stretches or compresses the transmitted waveforms, resulting in ... -
Universal and Scalable Multi-Source Energy Harvesting Power Supply with Dynamic Load Adaptation
Autonomous powering of electronic systems in applications spanning biomedical, automation, transportation and space industries relies on harvesting energy from the abundant ambient sources such as vibration, thermal, solar, ... -
Van der Waals Heterojunctions for Emerging Device Applications
Low-dimensional systems are an exciting platform for exploring new physics and realizing novel devices. The intriguing features, such as the existence of strongly bound multiparticle complexes and thickness-dependent band ...