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35 articles for “multi band antenna”
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Textile Antenna with Partial Ground for Multiband Applications
Abstract: AbstractIn this article, the dominant textile antenna is presented. The proposed antenna has various applications like satellite communication, military and medical applications. The proposed antenna gives dual frequency bands with bandwidth from 8.96 to 14.456 GHz with 46.73% and second band from 14.98 to 17.46 GHz with 15.289. The intended textile antenna is applicable for wireless communication systems as it has wide dual bandwidth and high directivity of 6.379 dBi.Keywords: …
Published in Journal of Microwave Engineering and Technologies · Vol. 4, Issue 3, 2017 · pp. 15–18 Read article
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Analysis and Design of Coaxial Fed Microstrip Antenna on Multilayer substrate at Terahertz Frequency
Abstract: AbstractThe paper presents the performance of an antenna on a three-layered substrate material analyzed to enhance the electrical parameters such as bandwidth and gain of a microstrip antenna. A regular rectangular microstrip antenna design has been updated to a planar parabolic horn design for improving bandwidth to up to 30 times provided by a rectangular patch. The design has been simulated at 0.6 THz resonant frequency using Keysight’s ADS (Advanced …
Published in Journal of Microwave Engineering and Technologies · Vol. 4, Issue 3, 2017 · pp. 11–14 Read article
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Design and Validation of Slot Coupled Rectangular Half Mode SIW Antenna
Abstract: This paper presents the design and performance analysis of a Rectangular Half Mode Substrate Integrated Waveguide (HMSIW) antenna configuration to attain higher gain and multiband characteristics with the compact size. It is possible to produce multiband properties by placing variously shaped slots on the top of the patch and ground surface. To attain the necessary gain and multiband resonance characteristics, the type of the slot, dimension optimization, and position optimization …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 10, Issue 2, 2023 · pp. 14–21 Read article
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Analysis of Fractal based Nested Geometries Built on Design Configurations
Abstract: AbstractFractal antenna based on the nested geometries are proposed and designed in this letter. The paper depicts the design optimization of the nested geometries for multi-rate characteristics. The antenna is fed by waveguide port. The design is obtained at the center frequency 3.5 GHz. Moreover the effect various nested elements have been observed in the geometry. The modification in geometry is introduced using pentagonal elements of the patch. The enhancement …
Published in Journal of Communication Engineering & Systems · Vol. 4, Issue 3, 2014 · pp. 9–17 Read article
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Multiband Antenna Designing using Proximity Coupled Technique
Abstract: AbstractIn this paper, author proposed a multiband antenna a circular patch and proximity coupled feeding technique. This feeding technique not only showed good result, it made the antenna multiband as well. Author fabricated this antenna to compare it with simulation result and found that fabrication results are also promising. This simulated antenna is a miniaturized four-band antenna which has the capability to operate at four distinguished frequencies. This proposed design …
Published in Current Trends in Signal Processing · Vol. 8, Issue 3, 2018 · pp. 13–17 Read article
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Advanced Liquid Crystal Polymer Substrate for Flexible Antenna Design
Abstract: A type of thermoplastic polymers known as liquid crystal polymers (LCPs) is frequently used to package millimeter (mm)-wave, microwave, and radio frequency (RF) integrated circuits that operate at frequencies as high as 60GHz. LCPs are of prospective relevance as packaging material for advanced circuits at mm-wave frequencies due to their appealing electrical, thermal, and mechanical qualities and comparatively low cost. Flexible and conformal antennas are made possible by LCP's exceptional …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 233–245 Read article
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Ultra-Wideband (UWB) Planar Monopole Antenna Array for Indoor Multimedia Devices
Abstract: AbstractA UWB planar monopole antenna array for indoor multimedia devices is presented. The base work of antenna includes a modified rectangular monopole to cover entire UWB (3.1 to 10.6GHz) and fed with a 50Ω microstrip line. The proposed antenna array is having a compact size of (80*30*1.6mm3) with a spacing of 0.5*lambda between two elements. To exhibit a wider bandwidth, a rectangular cut in the ground plane has been introduced …
Published in Journal of Microwave Engineering and Technologies · Vol. 5, Issue 2, 2018 · pp. 28–35 Read article
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Study and Performance Analysis of Orthogonal Frequency Division Multiplexing with Different Modulation for Rayleigh Channel Model
Abstract: AbstractFor the advancement of wireless communication systems, methods such as MIMO, OFDM and integrating them together as MIMO-OFDM are very useful. OFDM is used in numerous wireless transmission standards nowadays. In OFDM, high rate data stream is divided into low-rate streams which are transmitted together over a number of subcarriers. A broadband and frequency-selective channel are transformed into a multiplicity of parallel narrow-band single channels by the OFDM modulation. By …
Published in Journal of Communication Engineering & Systems · Vol. 9, Issue 2, 2019 · pp. 76–80 Read article
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Evaluation of SAR and Temperature Elevation in Human Head for Advanced Wireless Services (AWS) Application
Abstract: In this paper, the specific absorption rate (SAR) and the temperature rise in the SAM phantom human head model as a consequence of the exposure to radiation of planar inverted F (PIFA) mobile handset antenna has been estimated at Advanced Wireless Services (AWS) band downlink frequency range. Biological hazards on human head owing to electromagnetic wave (EMW) exposure in advanced wireless services has been analyzed by computing the temperature rise …
Published in Journal of Microwave Engineering and Technologies · Vol. 3, Issue 3, 2016 · pp. 19–24 Read article
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Performance Enhancement of Cognitive Radio Spectrum Sharing (CRSS) with MIMO System
Abstract: A key challenge in operating cognitive radios (CRs) in a self-organizing (ad hoc) network is to adaptively and efficiently allocate transmission powers and spectrum among CRs according to the surrounding environment. Cognitive radio networks will provide high bandwidth to mobile users via heterogeneous wireless architectures and dynamic spectrum access techniques. CR networks inflict challenges due to the fluctuating nature of the available spectrum, as well as the diverse QoS requirements …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 2, Issue 3, 2015 · pp. 13–18 Read article
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Small Size High Gain Antenna and High Efficiency Rectifier for RF Energy Harvesting in 2.45 GHz ISM Band
Abstract: A streamlined microwave energy harvesting system to harvest energy in 2.45 GHz presented in this paper. An electromagnetically coupled square micro-strip antenna is designed and fabricated for formation in proposed system. Antenna gain of 6.7 db and bandwidth from 2.42to 2.47 GHz is achieved. The maximum gain of proposed antenna is 24 db at frequency 2.1 GHz. Rectifier circuit consists of a resonant circuit and a boosting circuit for enhancing …
Published in Journal of Microwave Engineering and Technologies · Vol. 3, Issue 1, 2016 · pp. 41–46 Read article
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Chlorophyll-Mimicking Ti₃C₂Tₓ MXene-Conjugated Polymer Nanocomposites: Nature-Inspired Exciton Funneling Architecture for Ultrahigh Photon-to-Electron Conversion in Organic Solar Cells
Abstract: Green plant photosynthetic machinery is one of the most efficient natural systems for harvesting solar energy and converting it into useable electronic charge. Specifically, chlorophyll molecules in the Light-Harvesting Complex II (LHC-II) achieve nearly unity quantum yield via a well-organized Förster Resonance Energy Transfer (FRET) mechanism that enables excitons to migrate towards reaction centers. This study presents a bio-inspired nanocomposite architecture using two-dimensional Ti₃C₂Tₓ MXene nanosheets functionalized with chlorophyll-mimicking porphyrin …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 · pp. 114–130 Read article
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Survey on Fractal Microstrip Antenna for Multiband 5G Application
Abstract: In the paper, a two-iteration fractal structure antenna—based on the advantages of fractal geometry and incorporating the principles of conventional microstrip antenna design and resonant coupling technique—is studied for third generation (3G), fourth generation (4G), fifth generation (5G), WLAN, and Bluetooth wireless applications. Antenna radiators were shown to have a fractal structure, much like a tree in the wild. The length of the radiator in a limited space can be …
Published in Journal of Microwave Engineering and Technologies · Vol. 10, Issue 3, 2023 · pp. 16–22 Read article
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A Review On A Compact Dual Polarized Antenna Array
Abstract: A compact dual-polarized antenna array for low-cost millimeter-wave (mm Wave) applications is proposed in this article. Utilizing a patch antenna with two orthogonal feeds positioned horizontally and vertically, a dual linear polarization antenna can be created. Two ports—a vertical port and a horizontal port—make up the suggested design. The antenna produces horizontal polarization by stimulating the horizontal port. The antenna produces vertical polarization by stimulating vertical port. With the higher …
Published in Journal of Microwave Engineering and Technologies · Vol. 9, Issue 2, 2022 · pp. 46–50 Read article
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An overview of fractal antennas
Abstract: Wireless communication for wireless applications is growing at a faster rate these days. There is a greater need for low-profile, multiband or wideband antennas. With the elevated low-profile antennas are in high demand due to advancements in antenna technology. The fractal antenna's self-similarity and self-repetitive characteristics enable it to satisfy this requirement. I give a thorough overview of fractals in this review paper, going on to discuss their dimensions and …
Published in Journal of Microwave Engineering and Technologies · Vol. 13, Issue 1, 2026 · pp. 1–7 Read article