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265 articles for “patches”
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Quadruplet Circular Hollow Ring Structure to Ameliorate RMPA parameters for WLAN
Abstract: A Rectangular Microstrip Patch Antenna with “Quadruplet circular hollow rings” shaped metamaterial cover is designed and replicate at a height of 3.2 mm from the ground plane. The antenna along with the proposed metamaterial cover is designed to resonate at 2.21 GHz frequency (in S-Band). But the proposed metamaterial cover significantly reduces the return loss and increases the bandwidth and efficiency of the antenna in comparison to rectangular microstrip patch …
Published in Journal Of Network security · Vol. 1, Issue 1, 2013 Read article
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Practical Implementation of Textile Antenna for C-Band Application
Abstract: This article is explained with the design and fabrication of flexible wearable textile antennas integrated with the newly introduced C band application. In this paper, a compact crescent moon shape patch antenna for C-band application is presented. The presented antenna is designed on jeans substrate with dielectric constant of 1.7. The overall size of antenna is 53.3x59.9x1 mm. This antenna has been simulated using CST software. The presented antenna resonates …
Published in Recent Trends in Sensor Research & Technology · Vol. 4, Issue 1, 2017 · pp. 18–22 Read article
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Real-time DDoS Attack Prediction in SDN Environments Using Machine Learning
Abstract: The ever-growing reliance on sdn-based services necessitates robust security measures against Distributed Denial-of-Service (DDoS) attacks that threaten service availability. This project investigates the development of a real-time prediction system for DDoS attacks in sdn environments, leveraging the power of machine learning. The proposed system employs a Decision Tree classification algorithm implemented in Python. To ensure accurate attack identification, the system meticulously addresses data preprocessing challenges inherent in network traffic datasets. …
Published in Journal Of Network security · Vol. 13, Issue 1, 2025 · pp. 16–27 Read article
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Wideband Microstrip Slot Antenna Using Shape Blending Algorithm
Abstract: For the effective wireless communication over long distances, the antennas with wideband operation and narrow beam widths are the requirements for the evolving modern mobile devices. This paper presents the design and analysis of the wideband patch antenna with slot using shape blending algorithm. The major advantage of this algorithm is to optimize the shape of the radiating element by applying Heaviside function to improve the performance characteristics of the …
Published in Journal of Mechatronics and Automation · Vol. 9, Issue 1, 2022 · pp. 19–27 Read article
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Study of Bandwidth Enhancement of an S-band Microstrip Slot Antenna
Abstract: AbstractRelative study of rectangular patch, U-slot patch and E-slot patch antenna is conferred in this paper. The operating frequency is selected from S-band (2 GHz–4 GHz) which is relevant for Industrial science and medical (ISM) band, Bluetooth communication as well as wireless land area network (WLAN). High-frequency structure simulator (HFSS) software is used to investigate the results of the antennas. Microstrip patch antenna (MSPA) experience low Gain and narrow bandwidth. …
Published in Journal of Microwave Engineering and Technologies · Vol. 6, Issue 3, 2019 · pp. 23–30 Read article
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Planar UWB Antenna for 5 GHz ISM Band
Abstract: AbstractThe Ultra-Wide Band (UWB) technology used for high data rate with low power levels for many wide applications which mainly includes short range, wide bandwidth communications. The Planar UWB antenna is designed for 5GHz Industrial, Scientific and Medical (ISM) band. These bands are specially dedicated to industrial, scientific and medical applications other than telecommunications. ISM applications like Microwave ovens, RF process heating and medical diathermy application. Proposed antenna has VSWR …
Published in Journal of Microwave Engineering and Technologies · Vol. 7, Issue 2, 2020 · pp. 1–6 Read article
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U-Shaped Antenna Design for 5G High Frequency Band
Abstract: Designing small antennas for 5G millimeter wave bands is an emerging research subject in the wireless communication age. This research paper describes the design, simulation, and measurement of a micro-strip patch antenna operating at high frequency, 38 GHz. The substrate material used is FR4 proxy due to its easy availability and cost with the dielectric constant 3.8 to 4.6. The analysis and simulation are done on Ansys HFSS Software. The …
Published in Journal of Microwave Engineering and Technologies · Vol. 10, Issue 3, 2023 · pp. 31–40 Read article
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Clinical Observation of Unani Drugs Safoof-E-Bars and Majoon Dabidul Ward in Treatment of Vitiligo
Abstract: Unani medicine is very good, perfect and effective medicine, especially for vitiligo, without side effect and with low cost. After the observation of many vitiligo patients, I have made Unani medicine for vitiligo, which is very safe, effective, relieving and affordable for anyone. I observed the patients’ complaint and according to that, used drug of choice in Unani medicine for vitiligo. I have treated a 17 year old female patient …
Published in Research & Reviews : A Journal of Unani, Siddha and Homeopathy · Vol. 7, Issue 3, 2020 · pp. 12–14 Read article
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Microstrip Antenna for Hiper LAN Application
Abstract: In this article, the simulated return loss, radiation pattern and gain of the proposed antenna have been studied. The presented antenna provides wide bandwidth of 76%, covering the Frequency range from 2.505 to 5.576 GHz, which is best suitable for WLAN and Hiper LAN application. Keywords: Patch antenna, Hiper LAN, efficiency, bandwidthCite this Article Niraj Kumar Sharma, Suryansh Chaudhary, Vinod Kumar Singh. Microstrip Antenna for Hiper LAN Application. Journal of …
Published in Journal of Microwave Engineering and Technologies · Vol. 4, Issue 2, 2017 · pp. 22–25 Read article
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Fivefold Stave in Squares with Circular Disk Structure Contiguous with RMPA for Augmentation of Variant Parameter for WLAN at 2.95 GHz
Abstract: A rectangular microstrip patch antenna with “Fivefold Stave in Squares with Circular Disk” shaped meta material cover is designed and replicated at a height of 3.2 mm from the ground plane. The antenna along with the proposed metamaterial structure is designed to resonate at 2.95 GHz frequency. But the proposed metamaterial cover significantly reduces the return loss and increases the bandwidth, and gain of the antenna in comparison to rectangular …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 1, Issue 1, 2014 · pp. 37–42 Read article
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Protein Modeling and Drug Docking Studies on Potential Protein Target (E. coli–dosP) and Compound Aldehyde (Sumatriptan) using Bioinformatics Tools
Abstract: The aim of the present in silico studies is to find out the potential protein target in stationary phase-induced biofilm regulator (E. coli–dosP) and deliver the 3D structure and to introduce the best inhibitors of aldehydes (Sumatriptan) using molecular drug docking techniques. The potential chemical compound, Aldehyde (Sumatriptan) was retrieved from NCBI PubChem compound database and converted into the 3D structure using online smiles translator and finally docking studies were …
Published in Research & Reviews: A Journal of Bioinformatics · Vol. 5, Issue 3, 2018 · pp. 9–18 Read article
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Modification of Microstrip Antenna by “Hexagonal Shaped” Metamaterial for Wireless Applications
Abstract: AbstractIn this proposed paper, a split ring “Hexagonal Shaped” metamaterial structure is used to modify the factors of antenna. The compact patch antennas (CPA) are directive and their size is small in surroundings. These antennas are sources to achieve the recent requirements. These antennas are desired to be possessing less return loss, better directivity, higher bandwidth and compact size at the operating frequency when used in any communicating operation. This …
Published in Journal of Microwave Engineering and Technologies · Vol. 5, Issue 3, 2018 · pp. 25–29 Read article
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Design of a Multiband Antenna with Rectangular and Circular Slots for 5G Mobile Technology
Abstract: AbstractThis paper presents a microstrip patch antenna for 5G mobile communication. Requests for mobile communication arise because of rapid growth in mobile users. So, users need more features like high data rate, good communication and reduced traffic on their mobile phones. These requirements can be met using 5G technology. 5G technology offers very high bandwidth, reduced latency, broadband spectrum, improved QoS and a better capacity. 5G operates from 24 GHz …
Published in Journal of Microwave Engineering and Technologies · Vol. 7, Issue 2, 2020 · pp. 30–34 Read article
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Design of a Fractal Aperture Coupled Microstrip Antenna for UWB Applications
Abstract: Ultra wide band frequency allocation of 5.3–9.2 GHz spectrum by Federal Communications Commission (FCC) presented myriad applications of exciting opportunities and challenges for design in the communication arena, including antenna design. The compact antenna designs with operating bandwidths of more than 100% are a challenging demand for the current wireless scenario. This can be easily met with fractal boundaries by using wide slot antennas. In this paper, fractal slot antenna …
Published in Journal of Microwave Engineering and Technologies · Vol. 4, Issue 1, 2017 · pp. 19–22 Read article
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Design Optimization of Microstrip Antenna with EBG and DGS Using the Genetic Algorithm to Reduce the Mutual Coupling
Abstract: The purpose of this paper is to construct, create, and reproduction of different antenna structures using electromagnetic band gap (EBG) materials and defected ground structures (DGS). Microstrip antennas are processed in order to improve performance by changing the shape of the geometry of the antenna, in particular to reduce the mutual coupling between the elements. The propagation of electromagnetic waves in a specified frequency range have the unique ability to …
Published in Journal of Microwave Engineering and Technologies · Vol. 3, Issue 1, 2016 · pp. 11–30 Read article
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RF Energy Harvesting from Wi-Fi Router in 2.45 GHz ISM Band
Abstract: In this paper, an experimental RF energy harvesting system using rectifying antenna (rectenna) to harvest ambient energy from Wi-Fi at 2.45 GHz is presented. The proposed circuit is a combination of RMPA, followed by a third order stepped impedance low-pass filter, matching network and rectifier using Schottky diode for microwave (RF) to DC conversion. The performance of the rectenna is simulated by electromagnetic simulator computer simulation technology (CST) microwave studio. …
Published in Journal of Microwave Engineering and Technologies · Vol. 2, Issue 3, 2015 · pp. 21–25 Read article
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Static and Dynamic Analysis for Optimum PZT Positioning and Optimum Voltage in a Delaminated Smart Composite Beam
Abstract: This paper conducts a comprehensive static and dynamic analysis of a delaminated composite beam with and without a piezoelectric layer making use of the principle of minimum potential energy. A new finite element model for composite laminate with delamination defect using cohesive zone method is developed using ANSYS APDL. A lead zirconate titanate (PZT) patch is embedded over the delaminated model following the results obtained from static analysis. The work …
Published in Journal of Polymer & Composites · Vol. 11, Issue 2, 2023 · pp. 13–27 Read article
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Low profile L5 and S band Microstrip antenna for IRNSS Application Using Coxial Feed
Abstract: In recent aura, navigation is one the most demanding technology. To increase coverage, gain and bandwidth are more important of any wireless communication systems India has developed its own navigational system called IRNSS which work one two frequency band one is L5 (1.176 GHz) and second one is S band (2.482-2.502 GHz) In this paper we proposed 2 different antenna one for L5 band and second for S band antenna …
Published in Journal of Communication Engineering & Systems · Vol. 8, Issue 3, 2018 · pp. 7–17 Read article
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Grid Sensitivity and Its Impact on the Hydrodynamics of a Submerged Vessel
Abstract: Accurate prediction of hydrodynamic characteristics is essential for the design and performance assessment of underwater vehicles and offshore structures. Computational fluid dynamics (CFD) has emerged as an effective tool for analyzing fluid flow behavior around submerged bodies, enabling detailed evaluation of pressure distribution, drag forces, and flow patterns. In this study, the effect of mesh refinement on the hydrodynamic analysis of a DRDC-STR submarine nose section was investigated using ANSYS …
Published in Journal of Offshore Structure and Technology · Vol. 13, Issue 2, 2026 · pp. 1–8 Read article
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Overview and Performance Evaluation of BM3D Image Denosing
Abstract: We propose an information subordinate denoising technique to restore uproarious pictures. Not quite the same as existing denoising calculations which hunt down patches from either the boisterous picture or a nonexclusive image, the new calculation finds patches from an inputting image that contains applicable patches. We detail the denoising issue as an ideal channel plan issue and make two commitments: Initially, we decide the premise capacity of the solving so …
Published in Journal of Operating Systems Development & Trends · Vol. 3, Issue 2, 2016 · pp. 23–29 Read article