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406 articles for “C-band application”
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High-Gain Microstrip Patch Antenna for Satellite and Radar Applications
Abstract: The growing demand for high-speed wireless communication, satellite connectivity, and advanced radar systems has increased the necessity for compact and high-performance antenna designs. This study presents the design and analysis of a high-gain microstrip patch antenna intended for satellite and radar applications operating in the microwave frequency range. The proposed antenna structure is developed using a low-loss dielectric substrate to enhance radiation efficiency, bandwidth, and gain characteristics while maintaining a …
Published in Journal of Microwave Engineering and Technologies · Vol. 13, Issue 2, 2026 Read article
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Numerical Simulation and Modeling of Graphene Field Effect Transistors for High Frequency Applications
Abstract: AbstractIn this paper numerical simulation of graphene field effect transistor (GFET) has been performed using finite element method by solving Poisson's equation, continuity equation and energy balance equation self consistently. Various performance characteristics including charge distribution, band gap energy, transfer and output characteristics, electrostatic potential distribution and transconductance have been extracted.Keywords: Graphene field effect transistor (GFET), energy balance equation, mobility, ambipolar, numerical simulationCite this ArticleAshish Jha, Dwivedi ADD. Numerical Simulation …
Published in Journal of Microelectronics and Solid State Devices · Vol. 5, Issue 1, 2018 · pp. 27–33 Read article
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Design of Folded Cascode Amplifier for SCL 180 nm Technology Node for Low Power Applications
Abstract: In this paper, a design and simulations of a Folded Cascode Amplifier at an SCL 180 nm Technology has been done and the different way to implement the design for a given specification has also been clearly demonstrated. The given design also clearly indicates the way to improve the various design parameters for a given specification of a circuit at this node. The way to reduce the power dissipation of …
Published in Journal Of Network security · Vol. 8, Issue 1, 2020 · pp. 22–31 Read article
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Structural Investigation on Synthesized Ag Doped ZnO-MWCNT and its applications
Abstract: Metal doped multiwalled carbon nanotube with metal oxide has unique properties which provide the remarkable studies in the field many applications. Zinc oxide nanoparticles (ZnO NPs) is a semiconducting material with a large excitation binding energy of 60 meV and wide energy band gap of 3.367 eV. The doping of silver naoparticle with ZnO/MWCNT composite materials offer values and makes it as advanced multifunctional materials. Silver nanoparticles are a highly …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 8, Issue 2, 2018 · pp. 49–59 Read article
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Design of Ultra-Wide Band Slotted PIFA for Wireless Devices
Abstract: The design of an ultra-wideband planar inverted-F antenna (PIFA) is proposed for mobile phone applications in this paper. The different slots are introduced on radiating patch and ground plane. The volume of the radiating antenna is 40x40x3.5 mm3 which is small as compared to reported work. The ultra-wide bandwidth with acceptable return loss –6 dB is obtained from 4.6 to 30 GHz with good matching and radiation characteristics. Different performance …
Published in Journal of Microwave Engineering and Technologies · Vol. 3, Issue 2, 2016 · pp. 1–6 Read article
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Designing of Circular Patch Antenna Modified by Metamaterial Structure
Abstract: AbstractThis finding is an outcome of the research carried out on the patch with the introduction of metamaterial. A “Dual Split Hexagonal Ring” metamaterial structure is implemented in the ground plane to modify the parameters of patch antenna i.e., circular. This recommended antenna operates on 2.42 GHz. Circular patch alone was not efficient and cannot be applicable for any applications, therefore a dual ring split metamaterial structure was implemented to …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 5, Issue 3, 2018 · pp. 1–5 Read article
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Experimental Analysis of Rectangular and Circular Microstrip Patch Antenna with Superstrates
Abstract: This paper focusing on the experimental analysis of rectangular and circular microstrip patchantennas with and without radome (superstrate). The proposed antennas were designed at2.4GHz, using HFSS simulation software and fabricated on Arlon DiClad 880 substratewhose dielectric constant is 2.2, loss tangent is 0.0009 and thickness of the substrate is1.6mm. Placing different dielectric constant of the superstrates above the patch antennasperformance characteristics have been studied of both antennas on the basis …
Published in Recent Trends in Electronics Communication Systems · Vol. 7, Issue 3, 2020 · pp. 34–45 Read article
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Cost Efficient Low Convergence ONU Placement Algorithm for Deployment of Fiber-Wireless (FiWi) Access Networks
Abstract: AbstractFiber-Wireless (FiWi) access networks provide an impressive platform for the emerging future applications by integrating the merits of optical networks and wireless networks. It offers reliability, robustness, long distance communication, high bandwidth of optical network and mobility, flexibility at a lower cost of wireless network. One of the major issues of FiWi network is its installation cost, which depends on the number of ONUs present in the network. In order …
Published in Trends in Opto-electro & Optical Communication · Vol. 6, Issue 1, 2016 · pp. 25–41 Read article
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Circularly Polarized Compact Wide Slot Microstrip-Fed Antenna for Wideband Applications
Abstract: Abstract: This paper presents a circularly polarized (CP) compact wide slot microstrip–fed antenna for wideband applications. Inverted L-shape protruding stub from the ground plane towards the center of slot permits to obtain AR <3dB. Wide slot fed with an offset microstrip feedline at an offset distance d, beneath the protruded stub. Proposed CP wide slot (WS) antenna is designed with compact size of 25 mm x 25 mm. Simulated results …
Published in Journal of Microwave Engineering and Technologies · Vol. 6, Issue 1, 2019 · pp. 6–12 Read article
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Navigating the Antenna Frontier for Emerging IoT Technologies
Abstract: Internet of Things (IoT) is rapidly transitioning from niche applications to a pervasive, interconnected fabric of intelligent devices, demanding unprecedented levels of performance, reliability, and miniaturization from its constituent components. At the heart of this revolution lies the antenna, the crucial interface between the digital and physical realms. This paper delves into the intricate and evolving landscape of IoT antenna design, specifically addressing the unique challenges and opportunities presented by …
Published in International Journal of VLSI Circuit Design & Technology · Vol. 3, Issue 2, 2025 · pp. 1–10 Read article
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Steady State Visual Evoked Potential Based Brain Computer Interface System
Abstract: The steady-state visual evoked potential (SSVEP) is a brain response that can be measured by an electroencephalogram (EEG) when a subject looks at periodic luminance- or contrast-modulated stimuli. In this study, flickering Light Emitting Diode (LED) is used as visual stimulation. Mostly, brain response is recorded using an electroencephalograph (EEG) and recorded in the brain's occipital lobe which is associated with human vision. The study encompasses key stages, beginning with …
Published in Current Trends in Signal Processing · Vol. 13, Issue 3, 2023 · pp. 35–43 Read article
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Synthesis and Structural Characterization of Nanocrystalline CeO2 and Ce0.95Cu0.05O2 Solid Solution Catalysts: Properties and Applications
Abstract: The main study and the development of CeO2 and Cu-doped CeO2 nanocrystals containing transition- metal species are of crucial importance for understanding the preparation and fabrication of CeO2 and Cu-doped CeO2 nanoparticles by solution combustion technique to taken glycine as fuel. The structural properties of Ce1-xCuxO2 nanocrystals were examined by investigating the influence of cerium dioxide and Cu dopant ions. The CeO2 single-phase cubic system was successfully incorporated with Cu …
Published in Journal of Catalyst & Catalysis · Vol. 11, Issue 3, 2024 · pp. 29–38 Read article
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Broadband, M- shaped Rectangular Cutting Slotted Antenna at 2.5 GHz for Mobile and WLAN Application
Abstract: In this paper, the authors have discussed M-shaped cutting slotted antenna for mobile and WLAN applications. After designing the antenna on 2.5 GHz frequency, the authors used the dielectric substrate 4.4, loss tangent 0.0012 and having the substrate height 1.6 mm and the antenna is showing the bandwidth 52.4%; the maximum return loss is −14.5 db.
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 2, Issue 1, 2015 · pp. 5–8 Read article
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Study of Dual Modulus Prescaler for Frequency Synthesizer
Abstract: In recent mobile communication systems high frequency synthesizers are the main building block. Voltage controlled oscillator (VCO) and prescalers are the high frequency parts of a frequency synthesizer. The prescaler reduce high frequencies into low frequencies by a small integer division. For prescaler power consumption, speed and no. of division ratios are the major concerns. The dual modulus prescalers are the frequency dividers which can selectively divide the frequency with …
Published in Journal of Microelectronics and Solid State Devices · Vol. 3, Issue 2, 2016 · pp. 16–22 Read article
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Comparative Study of (Operational Transconductance Amplifier) OTA to Design Low Pass Filter
Abstract: Basic building block to design an analog circuit is amplifier and it is used for such applications like analog to digital and digital to analog converter, sensor network and many more. Amplifier with lofty gain and high bandwidth will increase the efficiency of design. Present time is talking about development of VLSI technology and everything is related to size of transistor and decreasing power supply in a circuit. Operational transconductance …
Published in Journal of VLSI Design Tools and Technology · Vol. 5, Issue 2, 2015 · pp. 11–15 Read article
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Compact MIMO Antenna Array based on Koch Fractal Metamaterial for 5G Applications
Abstract: In this paper, a design of a printed MIMO antenna array for 5G applications is proposed based on low profile structure. Thus, the antenna element is designed as a printed mender monopole with a partial ground plane. The partial ground plane is proposed to realize bandwidth enhancements through etching rectangular slots in the antenna back panel. It is found that such antenna shows two frequency bands, S11<-10dB, from 3 GHz …
Published in Journal of Microwave Engineering and Technologies · Vol. 9, Issue 3, 2022 · pp. 1–7 Read article
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Synthesis and Characterization of In2S3 Nanoflake Thin Film for Photosensor Applications
Abstract: Indium sulphide (In2S3) thin films in the form of nanoflakes are synthesized by using chemical vapour deposition method on glass substrate with the intension to test its photosensor applications. These as deposited nanoflake thin films are characterized for physicochemical properties using X-ray diffraction (XRD) pattern, energy dispersive X-ray (EDAX) analysis,scanning electron microscopy (SEM) while optoelectronic properties were studied using optical and electrical characteristics obtained through UV-Vis transmission spectroscopy and I-V …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 4, Issue 3, 2017 · pp. 21–26 Read article
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Study the Effect of Applied Gate Voltage on Threshold Potential and Carrier Transport Behavior of Three-Terminal Novel Prototype Device having Configuration P-type Si/SiO2/CuFeS2/Al
Abstract: This study presents a trial approach for the fabrication and characterization of a novel p-Si/SiO₂/CuFeS₂/Al field-dependent three-terminal electronic device designed to investigate charge transport behavior across multiple semiconductor junctions under externally applied bias voltages. The proposed prototype incorporates CuFeS₂ (chalcopyrite) as the active semiconductor layer, marking its first reported application in a field-induced electronic device architecture. The device was fabricated using a layered heterostructure consisting of p-type silicon, a silicon …
Published in International Journal of Crystalline Materials · Vol. 3, Issue 2, 2026 · pp. 1–7 Read article
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Synthesis and Functional Group Analysis of Solution Processed Zinc Oxide Thin Film Grown on Polyethylene Terephthalate
Abstract: Flexible electronics field is growing every day. Existing technology is facing issues like brittleness, toxicity, inadequacy. Fabrication cost increases in processing of such materials. In this work, zinc oxide nanoparticles synthesized by solution processing technique were used to grow 120nm thick thin film (TF) on Polyethylene terephthalate (PET). This method reduces the processing cost and Zinc Oxide (ZnO) is cheaper and abundant in comparison to other semiconductors option. Material was …
Published in Journal of Polymer & Composites · Vol. 12, Issue 3, 2024 · pp. 56–66 Read article
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Machine Learning-Based Channel Estimation in 5G, Beyond-5G, and 6G Networks: Recent Advances and Future Directions
Abstract: Accurate channel estimation is one of the most fundamental challenges in modern wireless communication systems. In fifth- generation (5G) New Radio (NR) and emerging sixth-generation (6G) networks, precise knowledge of the wireless channel is essential for achieving reliable data transmission, high spectral efficiency, and low Bit Error Rate (BER). Conventional estimation techniques such as Least Squares (LS) and Minimum Mean Square Error (MMSE) rely on mathematical channel models and predefined …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 13, Issue 2, 2026 Read article