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72 articles for “RF”
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Advanced Security System for Residential Complexes
Abstract: A sophisticated apartment safety system aimed at preventing unauthorized access and enhancing security within residential complexes. The system employs facial recognition technology to identify residents and regular visitors while capturing the pictures and data of unknown individuals upon entry. These individuals are provided with an RFID tag, enabling continuous tracking of their movement within the premises until they reach their intended destination so that we can monitor the person and …
Published in International Journal of Image Processing and Pattern Recognition · Vol. 11, Issue 1, 2025 · pp. 1–7 Read article
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Eco Step Power-Gen: Harnessing Renewable Energy from Footsteps and Speed Breakers
Abstract: Eco Step Power-Gen" endeavors to revolutionize renewable energy generation by tapping into the latent kinetic energy from human footsteps and vehicular traffic on speed breakers. This pioneering project seeks to develop and deploy innovative technology capable of capturing and converting mechanical energy into electrical power. Through meticulous research, design, and testing phases, the project aims to assess the viability and effectiveness of energy generation from these unconventional sources. By integrating …
Published in International Journal of Green Chemistry · Vol. 10, Issue 1, 2024 · pp. 8–13 Read article
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A state of art design technique of broadband Active/Passive SPST switch using 130nm SiGe BiCMOS technology
Abstract: This paper presents the state of the art for new ultra-wideband active/passive RF SPST switches that can not only reduce insertion loss or potentially generate gain, but also significantly increase isolation. The proposed active/passive ultra-wideband RF SPST switch design using 130 nm SiGebased BiCMOS technology. This switch operates from 5 GHz to 45 GHz with high isolation and low gain/loss Two identical SPST switches and a broadband active balun make …
Published in International Journal of Broadband Cellular Communication · Vol. 8, Issue 1, 2022 · pp. 13–19 Read article
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A Review on LIFI- Data Transmitting System
Abstract: Using visible light as a channel for high-speed data transfer, Li-Fi (Light Fidelity) is a quickly developing wireless communication technology that offers a highly effective and cutting-edge substitute for traditional radio frequency (RF)-based systems like Wi-Fi and Bluetooth. With the exponential growth of connected devices and the increasing demand for faster and more reliable communication, the RF spectrum is becoming congested, leading to reduced performance and interference issues. In order …
Published in International Journal of Digital Communication and Analog Signals · Vol. 12, Issue 2, 2026 Read article
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Strategy and Simulation of Smart Prepaid-PostpaidElectricity Meter with Alarm and Anti-Theft Controller
Abstract: Prepaid electricity meters with electrical protection generally control internal electricity and external electricity theft as whole electricity. Internal electricity theft occurs after the electrical energy is captured by the meter, while external electricity theft occurs before the electrical power reaches the meter. The percentage of electricity revenue was lost due to electricity theft and mismanagement. However, most of these losses are due to electricity theft. Illegal electricity use must be …
Published in International Journal of Microwave Engineering and Technology · Vol. 10, Issue 2, 2024 · pp. 12–23 Read article
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Morse Code Communication System Using Microcontroller
Abstract: This project aims to design and implement a microcontroller-based Morse code communication system, highlighting the historical significance and enduring relevance of Morse code in communication. Morse code's simplicity and effectiveness make it invaluable in situations where traditional communication methods may be impractical. By leveraging the capabilities of a microcontroller, this system automates the generation and decoding of Morse code signals, thereby enhancing communication efficiency and reliability. The goals of the …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 10, Issue 1, 2024 · pp. 10–17 Read article
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Cost-Effective Procedure of Agarose Gel Recycling
Abstract: Agarose gel electrophoresis is a commonly used technique in various areas of biotechnology. This pretentious but specific analytical procedure is used in research, biomedical, and forensic laboratories. Agarose gel recycling is a realistic approach for molecular genetic studies. Reuse of agarose gel for daily routine experiments to save money due to limited financial resources for research. This practice satisfies a need to control expenses. Recycled agarose can be used for …
Published in International Journal of Animal Biotechnology and Applications · Vol. 1, Issue 2, 2015 Read article
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Integrated Workers Navigation Payment System With Enhanced Canteen Facilities
Abstract: The integration of RFID and GPS navigation in canteen facilities management is set to revolutionize work related tasks in various industries. This innovative system aims to reduce administrative overhead, ensure fair and accurate payment for workers, and streamline communication between workers and management. Features for real-time data collection and reporting will improve management-employee collaboration. RFID-based entry systems provide secure and efficient means of worker identification, while GPS tracking ensures accurate …
Published in International Journal of Digital Communication and Analog Signals · Vol. 10, Issue 1, 2024 · pp. 8–13 Read article
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Estimation of Crop Yield Prediction Using Machine Learning Technique.
Abstract: Agriculture serves as the primary source of livelihood for a significant portion of India's population, but it faces a myriad of challenges, including climate variability, soil fertility issues, and reliance on traditional farming practices. To address these challenges, researchers are increasingly turning to machine learning (ML) methodologies to predict crop yields more accurately. Studies have delved into the effectiveness of various ML algorithms such as Random Forest, Gaussian Process Regression, …
Published in International Journal of Agrochemistry · Vol. 10, Issue 1, 2024 · pp. 7–12 Read article
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Quad-Band L-Shaped Slots Integrated Microstrip Patch Antenna for Radio Frequency Energy Harvesting Applications
Abstract: This study presents an L-shaped slots integrated Microstrip antenna for Radio frequency (RF) energy harvesting applications. It is designed on FR-4 Epoxy substrate material with the coverage of four bands (GSM-900, GSM-1800 Wi-Fi sources 2400, and 3300MHz frequency band allocated for WiMAX applications) of cellular communication. The proposed L-shaped slots antenna consists of four symmetric/asymmetric stubs and four symmetric L-shaped slots. L-shaped slots are integrated inside a square patch of …
Published in International Journal of Microwave Engineering and Technology · Vol. 4, Issue 2, 2018 · pp. 6–14 Read article
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Rheumatic Heart Disease - stuck in Prosthetic Valve
Abstract: Rheumatic fever (RF) and rheumatic heart disease (RHD) endure to be a main health danger in most emerging countries as well as periodically in progressive economies. The healing process of rheumatic carditis results in varying degrees of fibrosis and valve damage Elevated erythrocyte sedimentation rate (ESR) is a nonspecific evidence for an active GAS infection. It is elevated in acute RF but can be normal if the patient has congestive …
Published in International Journal of Cardiovascular Nursing · Vol. 4, Issue 1, 2018 · pp. 31–40 Read article
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Intelligent IoT-Based Parking System for Smart City Applications
Abstract: Abstract Modern urban life is increasingly disrupted by one of its most overlooked problems: inefficient and outdated parking systems. From long vehicle queues to wasted time and fuel, the lack of automation in parking management continues to create unnecessary stress for both drivers and facility operators. The absence of intelligent monitoring often results in poor space utilization and chaotic movement within parking areas. This research aims to solve that problem …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 11, Issue 2, 2025 · pp. 18–24 Read article
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Speaking Bus Stop Reminder
Abstract: This paper presents the bus stop reminder using RFID so that the users do not get delayed or don’t getdown at a different stop. The main goal of this paper is to remind you of the correct bus stop before thestop has come. Bus routes travel through several bus stops. Many times, buses change routes and newbus stop names need to be configured in system. Many bus stops also change …
Published in International Journal of Transportation Engineering and Traffic System · Vol. 10, Issue 1, 2024 · pp. 8–13 Read article
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Abrasion resistance, compressive strength and elasticity modulus of recycled aggregate concrete (RAC) included lower quality recycled aggregate with and without silica fume
Abstract: The usage of recycled aggregate (RA) for concrete works is spreading for gaining wide acceptance around the world, and total amount of RA utilized in concrete industry increases day-by-day. RA is used in many concrete products, such as concrete interlocking blocks, pavements, etc. One of the physical causes of concrete deterioration is surface wear or loss of mass for concrete products which are especially exposed to vehicular traffic (i.e., industrial …
Published in International Journal of Concrete Technology · Vol. 2, Issue 1, 2016 · pp. 1–18 Read article
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Intelligent Traffic Control System for Emergency Ambulance
Abstract: The growth of population leads to rise in the number of vehicles. This resulting traffic jams and rush hour, congestion is the major barrier for the emergency ambulance are not able to reach their right destination in the right time. To solve this downside, we tend to return up with “intelligent control for emergency ambulance”. This system proposed clears the traffic block and traffic jams for emergency ambulance by turning …
Published in International Journal of Software Computing and Testing · Vol. 5, Issue 2, 2019 · pp. 7–15 Read article
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Wireless CMOS VCOs and Designed Integrated Antennas
Abstract: This article depicts ongoing exercises in the territory of RF coordinated circuits and most recent advanceson millimetre-wave CMOS voltage-controlled oscillators (VCOs). Low force and low stage commotion LC-VCO and ring oscillator plans are dissected and talked about. Structure and execution drifts throughout themost recent decade are given and discussed. First, handset models created for cell and cordless phonegauges are introduced. Next, the decision of gadget innovation is examined, and the …
Published in International Journal of Analog Integrated Circuits · Vol. 6, Issue 1, 2020 · pp. 27–40 Read article
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A Single Band Hexagonal Shape Microstrip Dipole Antenna for LTE Application
Abstract: ABSTRACT The dipole antenna or dipole aerial is one of the most important and usually used types of RF antenna. It is widely used on its own, and it is also incorporated into lots different RF antenna layout where it forms the driven element for the antenna. In this paper, strive has been made to analyse new single band hexagonal shape dipole antenna for LTE application. The simulate and experiment …
Published in International Journal of Microwave Engineering and Technology · Vol. 5, Issue 1, 2019 · pp. 31–35 Read article
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Switch-Mode MOSFETs for Class A Radio Frequency Amplification
Abstract: Vertical double diffused MOSFETs (“VDMOSFETs”) developed for switching power supplies were successfully used in high voltage, high frequency linear amplifier circuits. These high voltage power switches are surprisingly useful for linear RF power amplifiers and transmitters. In most of theirintended applications such as in switching power supplies or switched digital amplifiers, VDMOSFETs are pulsed by a high voltage and the pulsed output is heavily filtered. This avoids the linear region …
Published in International Journal of Microwave Engineering and Technology · Vol. 9, Issue 1, 2023 · pp. 52–64 Read article
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AI-Optimized Reconfigurable Microstrip Bandpass Filters for DynamicSpectrum Access in 6G Networks
Abstract: The evolution toward sixth generation (6G) wireless networks introduces unprecedented demands on spectral efficiency, ultra-low latency, and real-time adaptability to dynamic radio environments. Central to this transformation is the requirement for intelligent, spectrum-agile radio front ends that can seamlessly operate across heterogeneous frequency bands. Dynamic Spectrum Access (DSA) addresses this challenge by enabling transceivers to autonomously detect, evaluate, and utilize the most suitable spectrum opportunities. The realization of DSA in …
Published in International Journal of Microwave Engineering and Technology · Vol. 11, Issue 2, 2025 · pp. 30–38 Read article
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Performance of Weibull Distribution Function on Prediction Based EH-CRN with Diverse Fusion
Abstract: Reduction of energy footprint and spectral underutilization are the two major challenges for communication technology. Energy harvesting (EH) enabled cooperative cognitive radio network (CRN) promises to address this pertinent issue and aspires to play the pivotal role in driving future wireless communication. The distribution function plays an important role on the performance of such model. In this paper, we introduced Weibull distribution function in characterizing the primary user activity and …
Published in International Journal of Distributed Computing and Technology · Vol. 6, Issue 1, 2020 · pp. 35–47 Read article