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Dissertations/Theses - Department of Electrical and Electronic Engineering: Recent submissions

Now showing items 81-100 of 775

Design optimization of processvariation tolerant spoof surface plasmon polariton interconnect for chip-to-chip communication

Faizul Bari, Md (Department of Electrical and Electronic Engineering,( EEE), 2020-01-06)

Abstract We are now at ‘Beyond the Moore’ era where design bottleneck lies in the interconnect design instead of transistors, which has been termed by many as tyranny of interconnects. About the two major choice of ...
Design of boost converters in correlation with earth-abundant material based indoor photovoltaic devices for low-power electronic applications

Akramul Haque, Khandaker. (Department of Electrical and Electronic Engineering, BUET, 2020-02-08)

This study focuses on the utilization of earth abundant materials for absorber layer of photovoltaic device, Cu based I2-II-IV-VI4 quaternary kesterite Cu2ZnSn(SxSe1-x)4 (CZTSSe) can be regarded as potential candidate. The ...
Performance enhancement of iii-v multiple-quantum-well photovoltaic devices employing light-harvesting nanohole assembly

Paul, Dip Joti (Department of Electrical and Electronic Engineering, BUET, 2020-08-19)

The thesis focuses on the optimum structural parameters for light-trapping in quantum well solar cells and compares their overall performance with standard single-junction solar cells. There are a variety of structures ...
Analytical modeling of transport phenomena in III-V heterojunction triple metal gate all around tunneling field effect transistor

Marjana, Mahdia (Department of Electrical and Electronic Engineering, BUET, 2020-07-19)

Tunneling Field Effect Transistor (TFET) is great for its energy efficiency and low stand- by power switch performance. Additionally, Gate All Around (GAA) based structures are used to improve the low on-current (Ion) and ...
Design and analysis of photonic structures for spectra dependent energy harvesting of photovoltaic devices

Saha, Ajanta (Department of Electrical and Electronic Engineering, BUET, 2019-12-01)

In this thesis, we present a detailed study to design spectra selective photonic structures for harvesting energy efficiently from ambient light sources employing photovoltaic (PV) energy conversion technology. To choose ...
Design of millimeter wave based sag measurement and monitoring system for overhead transmission lines in a smart grid

Ayman Uddin Mahin (Department of Electrical and Electronic Engineering, BUET, 2019-11-03)

In smart grid, power transmission monitoring and control is a crucial part. Electrical power transmission capacity of an overhead transmission line is dependent on the sag of that line. Power transmission through a ...
Energy efficient hybrid powered C-Ran architectures with dynamic user association

Rubina Aktar, Mst. (Department of Electrical and Electronic Engineering, BUET, 2019-07-30)

During the last decade, there has been remarkable development in cellular networks market due to the ubiquitous availability of internet access in worldwide. The number of users and corresponding cellular traffic has ...
Characterization of electronic and optical properties of doped GeSe monolayer using first principles calculation

Chakraborty, Rajat (Department of Electrical and Electronic Engineering, BUET 2020, 2020-08-24)

Of late, group-IV monochalcogenides, isoelectronic to phosphorene with similar orthorhombic puckered structure, have drawn numerous interest due to their tunable isoelectronic properties, giant piezoelectricity etc. Among ...
Phonon scattered electron transport calculation of junctionless nanowire transistor by a computationally efficient atomistic approach

Samzid Bin Hafiz, Md. (Department of Electrical and Electronic Engineering (EEE), BUET, 2019-08-31)

In this thesis, electronic transport characteristics of Junctionless Nanowire Transistor (JNT) in presence of phonon scattering has been studied. JNT is a novel electronic device, which has no distinct p-n junction and no ...
Bit error rate performance evaluation of an ultra wide band communication system with dual carrier modulation and space diversity

Abdur Rahman Ferdous, A K M (Department of Electrical and Electronic Engineering (EEE), BUET, 2019-08-21)

Dual carrier modulation (DCM) is taken as a global standard for ultra wide band (UWB) wireless communication system in establishing wireless personal area network (WPAN) such as wireless universal serial bus (W-USB) and ...
Design and analysis of reconfigurable photonic crystals and whispering gallery mode resonators based on optical force

Nusrat Jahan (Department of Electrical and Electronic Engineering (EEE), BUET, 2019-08-06)

Photonic crystals (PCs) and whispering gallery mode (WGM) resonators are two of the most versatile photonic structures in the field of photonics and cavity quantum electrodynamics. A long standing challenge in the design ...
Analytical model and performance analysis of graded channel dual material double gate junctionless field effect transistor with high-k spacer

Raisa Fabiha (Department of Electrical and Electronic Engineering (EEE), BUET, 2019-07-20)

The continuous downscaling of chip size and dimension have led to the innovation of newer, cheaper and more efficient transistors since its first invention in 1947. As predicted by More Moore scaling, the transistor’s gate ...
Modeling of drain current for graphene channel G4FET and gate-all-around MOSFET

Rakibul Alam, Md. (Department of Electrical and Electronic Engineering (EEE), BUET, 2018-12-01)

The structure of Graphene channel Four Gate Field Effect Transistor (G4-FET) and Gate-All-Around (GAA) MOSFET have been developed in 3D ATLAS simulator of SILVACO in this thesis. Drain current of Graphene channel G4-FET ...
Electric field induced formation and characterization of nanoscroll from water-submerged graphene nanoribbon

Mahnaz Islam (Department of Electrical and Electronic Engineering (EEE), BUET, 2019-05-27)

In this thesis work, a technique to induce the formation of a nanoscroll from a graphene nanoribbon structure submerged in water using a rotating electric field is proposed. In particular, we use molecular dynamics simulation ...
Development of an efficient universal simulator for junctionless nanowire field effect transistors incorporating quantum mechanical effects

Jewel Mohajan (Department of Electrical and Electronic Engineering (EEE), BUET, 2019-04-27)

In this thesis, electrostatic and transport characteristics of n-channel Gate-all-around Junctionless Nanowire Transistor (GAA-JNT) and their interrelations have been studied. GAA-JNT is a novel electronic device, which ...
Automatic detection of gastrointestinal diseases from capsule endoscopy video based on probabilistic modeling of least square saliency transformed images

Kundu, Amit Kumar (Department of Electrical and Electronic Engineering (EEE), BUET, 2019-03-23)

Wireless capsule endoscopy (WCE) is an effective video technology to diagnose gastrointestinal (GI) diseases, such as bleeding, ulcer, and tumor. To avoid tedious and risky manual review process of long duration WCE videos, ...
High quality ultrasound B-mode image generation using 2-D multichannel-based deconvolution and multiframe-based adaptive despeckling algorithms

Dey, Jayanta (Department of Electrical and Electronic Engineering (EEE), BUET, 2019-05-29)

Improving resolution and removing speckle noise from medical ultrasound images while preserving tissue texture, small details, and edges without introducing artifact and distortion is a major challenge in ultrasound image ...
Ultrasonic estimation of mean scatterer spacing and effective scatterer diameter for breast lesion classification

Navid Ibtehaj Nizam (Department of Electrical and Electronic Engineering (EEE), BUET, 2019-04-30)

Quantitative ultrasound (QUS) based parameters, estimated from backscattered radio-frequency (RF) data, allows the parametrization of tissue micro-structures. These pa-rameters, which include mean scatterer spacing (MSS) ...
Automatic facial expression recognition scheme based on differential feature extracted from dynamic regions

Saiful Islam, Md. (Department of Electrical and Electronic Engineering (EEE), BUET, 2019-03-24)

Generally human beings reveals various types of emotions through different facial expressions. However even for a same person, depending on the surrounding environments, a same type of emotion can be exhibited by various ...
Performance analysis of STBC and LDPC coded OFDM free space optical communication systems over turbulent atmospheric channel

Bobby Barua (Department of Electrical and Electronic Engineering (EEE), BUET, 2018-09-01)

Free-space optical (FSO) communication is an attractive and cost-effective solution for high-rate image, voice, and data transmission than an RF channel. The last decades have witnessed a spectacular progress on FSO ...

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