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1974 articles for “fine/course mobile signal” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Basic Multi-ampere Solar Mobile Charger
Abstract: AbstractAs we know that nowadays usage of smart phones is increasing. Major issue which we are facing is the battery backup of smart-phone is lower comparatively. Another issue we are facing is that the charging rate of battery varies from one company to another thus using charger of one company for another, which causes damage to battery life of smart-phone. In this paper, we have addressed both the problems of …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 10, Issue 1, 2019 · pp. 39–41 Read article
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Strength of Geopolymer Concrete by Replacement of Fine Aggregate with Waste Steel Slag
Abstract: AbstractThe increased production of Portland cement causes great concern to environment because of its high carbon foot print. Geopolymer concrete is a new invention in the world of concrete in which cement is totally replaced by industrial waste and byproducts like fly ash. Geopolymer concrete is environment-friendly material for construction because of its reduced carbon foot print and also it is found to be durable. In this study, strength and …
Published in Journal of Geotechnical Engineering · Vol. 1, Issue 1, 2014 · pp. 15–19 Read article
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Addressing Global Disparities in Prosthetic Mobility: An Experimental Evaluation of Ankle-Foot Orthosis for Sustainable and Efficient Integration with Vehicle Structures and Systems
Abstract: Over the past two decades, the prosthetic foot industry has made significant advancements, greatly enhancing the quality of life for individuals with lower limb amputations in industrialized countries. However, these innovations remain out of reach for many in less developed regions due to high costs, limited durability, maintenance demands, and accessibility challenges. There is an urgent need to develop highly functional, cost-effective, environmentally friendly, and resilient prosthetic feet that can …
Published in Journal of Polymer & Composites · Vol. 12, Issue 1, 2024 · pp. 44–52 Read article
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Report on the Novel Electrical Characteristics of Microelectronic High Electron Mobility Transistors to Establish a Low-Cost Microelectronics Laboratory in the National Institute of Technology Arunachal Pradesh
Abstract: AbstractIn this work, total 22584 individual simulation-outputs are reported according to the performed simulation-studies on the microelectronic AlGaN/GaN high electron mobility transistors (HEMTs). This series of simulation work has been performed using the SILVACO-ATLAS software tool on the basis of already established theories related to the semiconductor-physics of HEMTs. In this work, the drain characteristics are investigated with respect to the aluminium mole fraction, drain voltage, gate voltage, gate length …
Published in Journal of Semiconductor Devices and Circuits · Vol. 4, Issue 2, 2017 · pp. 6–28 Read article
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A Review on High Electron Mobility Transistors
Abstract: AbstractThe demand for high speed semiconductor devices is increasing in recent years with the rapid development of the high frequency wireless and fiber optical communication systems. High electron mobility transistor (HEMT) is an important device and an excellent candidate for millimeter, sub-millimeter and microwave applications. Also, these devices have high frequency, high speed, low noise, high breakdown voltage, low cost and other power handling capabilities. Due to these reasons, they …
Published in Journal of Semiconductor Devices and Circuits · Vol. 3, Issue 2, 2016 · pp. 1–10 Read article
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Simulation Studies on the Electrical Characteristics of High Electron Mobility Transistors
Abstract: AbstractSimulation studies have been performed on the AlGaN/GaN high electron mobility transistor (HEMT) with AlN spacer layer. The current-voltage characteristics have been studied with respect to different gate voltages and different doping concentrations. Studies have been performed on the quantum well depth variation corresponding to the designed HEMTs.Keywords: Doping, drain current, drain voltage, quantum wellCite this ArticleSanjib Kalita, Ashish Prajapati, Susanta Sinha Roy, Jyoti Prasad Banerjee, James Andrew McLaughlin, Subhadeep …
Published in Journal of Semiconductor Devices and Circuits · Vol. 3, Issue 2, 2016 · pp. 32–36 Read article
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Studies on the Electrical Characteristics of AlGaAs/GaAs High Electron Mobility Transistors
Abstract: AbstractIn this work, total 5722 individual simulation outputs are reported. The effects of drain voltage, gate voltage, aluminium mole fraction, and gate length on drain current are studied in AlGaAs/GaAs high electron mobility transistors (HEMTs). The linear region and saturation region are prominent in each drain characteristic curve. The drain current reduces in the structure of larger gate length. This work is useful to fabricate the HEMT based biomedical sensors. …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 5, Issue 3, 2018 · pp. 30–40 Read article
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A Review for Performance Improvement (BER, PAPR) of OFDM Signals by using Various Modulation Techniques & Selective Mapping Companding, Partial Transmit Sequences Companding Techniques
Abstract: The OFDM may well be a multicarrier modulation technique has proved itself at intervals the sector of high-speed communication sanctioning current technologies to attain a high transmission rate. It’s used in most communication standards. One in each of the most drawbacks of OFDM modulation is that the sturdy PAPR of the following signals. This characteristic makes OFDM signals really sensitive to the nonlinearities of analog parts, notably those of power …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 6, Issue 2, 2019 · pp. 26–33 Read article
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Review Paper on Issues of AODV and Study of Cross Layer Design in MANET
Abstract: Routing in mobile ad hoc network (MANET) is challenging due to its mobility feature. The main reasons of link failures are mobility, interference and congestion. Mobility means, each node is free to move within its transmission range. Interference occurs due to collision and hidden nodes. Signal strength is considered as cross layer interaction parameter for implementing cross layer design (CLD). Received signal strength is taken from physical layer and is …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 3, Issue 2, 2016 · pp. 37–43 Read article
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Design of Home Automation System Using Arduino and Mobile Application
Abstract: This study provides a moderate, highly customizable home control and environmental monitoring system. It makes the most of an encapsulated micro – web page in the Arduino Mega 2560 microcontroller, trying to access and commanding devices, as well as health monitoring access but moreover control devices such as mobile phones. Those certain computers can sometimes be organised via a web - based application or a Bluetooth Android-based smart smartphone. Machines …
Published in Journal of VLSI Design Tools and Technology · Vol. 12, Issue 1, 2022 · pp. 8–13 Read article
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Numerical modeling of Nocardia Migration Influenced Transport pressured by Dispersion and velocity in Fine Sand Formation in Wetland Environment
Abstract: AbstractThis paper monitor the behaviour of Nocardia in fine sand deposition, the study express the velocity and dispersion influences on Nocardia migration in wet land environment. The transport process at different litho structure observed variation on their concentration in the study area, this condition developed fluctuation on the transport system within the predominant strata, the concentration from three to thirty metres developed fluctuation base on the influences from dispersion and …
Published in Journal of Water Resource Engineering and Management · Vol. 5, Issue 1, 2018 · pp. 6–13 Read article
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Review of Machine Technique for Prediction of Depression Using EEG Signal
Abstract: Depression is a prevalent mental health disorder that affects millions worldwide, often leading to significant personal and societal burdens. Traditional diagnostic methods for depression rely heavily on subjective assessments, which can be prone to bias and inconsistency. In recent years, there has been a growing interest in utilizing machine learning techniques to predict depression based onelectroencephalogram (EEG) signals, offering a promising avenue for more objective and reliable diagnosis. This review …
Published in Recent Trends in Electronics Communication Systems · Vol. 10, Issue 3, 2023 · pp. 23–29 Read article
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Accurate & Efficient Plant Disease Detection using Transfer Learning with Edge Impulse
Abstract: Transfer learning is a powerful machine learning technique that allows optimization of pre-trained models for related tasks on small datasets. In this research paper, we explore the application of Edge Impulse & transfer learning for plant diseases and aim to detect on edge devices more effectively at low cost. We collected and preprocessed many plant images and used this data to fine-tune a neural network model pre-trained by Edge Impulse. …
Published in Recent Trends in Sensor Research & Technology · Vol. 10, Issue 1, 2023 · pp. 30–41 Read article
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Fourier Transform and Optical Analogy of the Sharply Pulsed E.P. Seismic Signals Propagating Through The Core of Earth
Abstract: AbstractLike light rays that encounter a water surface, seismic rays are governed by the laws of reflection and refraction. Eventually, there exist wave properties within these. Due to rigorous BIS (breakdown of integrated system) processes, severe consequences like earthquakes occur. The waves that are generated in an earthquake down into the interior of the earth are called earthquake waves or seismic waves. In the present paper, the author will consider …
Published in Trends in Opto-electro & Optical Communication · Vol. 5, Issue 1, 2015 · pp. 9–12 Read article
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Performance Enhancement of Laser based Modern Railway Mobile Platform Crossing System
Abstract: AbstractIn this work, the modern railway mobile platform crossing system is improved through the proper computation of GaInP based 635 nm multiple quantum well red laser maintaining the perfect peak intensity of the power which is achieved at 635 nm. By analyzing the performance of the designed Ga0.5In0.5P/ (Al0.5Ga0.5)0.5In0.5P edge emitting laser the peak material gain is obtained. Sustaining threshold current of 6.7 mA, a maximum resonance frequency of 10 …
Published in Trends in Opto-electro & Optical Communication · Vol. 4, Issue 1, 2014 · pp. 23–28 Read article
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Analysis of M-ary Signaling for Weak Turbulence Regime in FSO Communication System
Abstract: Abstract: The need for high data rate LOS communication is accomplished using the Free Space Optical communication. Being a very cost-effective approach, it contributes to the easy set-up and deployment of point to point terrestrial link. It transmits the light signal in free space channel (air, vacuum etc.) using LASERs or LEDs and received via photodetector. In this paper, the channel is modelled using Lognormal turbulence model. This channel model …
Published in Trends in Opto-electro & Optical Communication · Vol. 9, Issue 1, 2019 · pp. 24–31 Read article
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Comparative study of quicklime and cement (void fillers) on durability of asphalt pavement wearing course under submerged conditions
Abstract: ABSTRACTThis study adopts an experimental approach using the Marshall Mix design method to investigate the effect of quicklime, and cement in the enhancement of asphalt pavement wearing course under submergence in terms of strength and durability. The results gotten showed that strength and durability properties such as Retained stability, First Durability Index (FDI) and Second Durability Index(SDI) were negatively affected by moisture for mixes without modifiers, while the mixes modified …
Published in Trends in Transport Engineering and Applications · Vol. 7, Issue 3, 2020 · pp. 26–34 Read article
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Mitigation of Mobile Radio Parasitic Radiation Effects: A Review
Abstract: ABSTRACT In this paper, mitigation techniques useful for improving mobile radio systems power efficiency and decreasing electro-smog and specific absorption rate (SAR) induction, affecting human head and body, are presented. An analysis of main radiation effects from far field base stations and review of mitigation techniques for enhancing the efficiency of power transmission for mobile radio systems is shown, followed by an investigation of the complex radiation field components from …
Published in Journal of Communication Engineering & Systems · Vol. 2, Issue 1, 2012 · pp. 1–12 Read article
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Incorporating Mobility to Sensor Networks during Node Failure and Their Analysis for Radio Propagation Models
Abstract: AbstractWireless sensor networks are expected to find wide applicability and increasing deployment in the near future. It consists of spatially distributed autonomous sensors to monitor physical or environmental conditions and to cooperatively pass their data through the network to a main location. The more modern networks are bi-directional, also enabling control of sensor activity. The development of wireless sensor networks was motivated by military applications such as battlefield surveillance, many …
Published in Journal of Communication Engineering & Systems · Vol. 4, Issue 1, 2014 · pp. 29–35 Read article
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Comparison of AODV and DSR Routing Protocols by using Mobility Model in Vehicular Ad-Hoc Network
Abstract: AbstractVehicular ad hoc network is a type of network that provides the communications between vehicle and road side; vehicle and vehicle; and vehicle and infrastructure. VANET has new applications and features for travelers for providing vehicle related information for safety purpose that has never been possible in past. It is an application of MANET. In MANET the node is communicating with the base station. The present paper is mainly intended …
Published in Journal of Communication Engineering & Systems · Vol. 5, Issue 2, 2015 · pp. 24–29 Read article