Relevant bibliographies by topics / Compact spiral antennas

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  1. Journal articles

Academic literature on the topic 'Compact spiral antennas'

Author: Grafiati
Published: 6 September 2023

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Journal articles on the topic "Compact spiral antennas"

1

Habeeb Bello, Khalid Idris Nazifi, and Sanusi Mohammed Sadiq. "Investigation and design methods of a compact patch antennas using 3-D MMIC for various applications." Global Journal of Engineering and Technology Advances 15, no. 3 (2023): 096–106. http://dx.doi.org/10.30574/gjeta.2023.15.3.0109.

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This work focused on the design, characterization and investigation of GaAs based multi-layered compact 3D MMIC based antenna. Different patch antennas were designed and characterized along with its S-parameters. Two proposed models of multi-layered patch antenna using V-shaped feeder line and planar feeder line with a spiral transmission line in metal-2 were more compact in size and showed an improvement in performance based on bandwidth compared to the traditional planar feeder line configuration. This implies the proposed planar feed line with the spiral transmission is cost effective. The newly propose planar antenna with a spiral transmission feeder line is 49% more compact in area compared to using the normal planar feeder line. The new design also has wider bandwidth with a bandwidth of 2.99% as compared to the traditional planar with a bandwidth of 1.93%, better input return loss and a slightly lower resonance frequency. Similarly, another multilayer patch antenna was proposed using a V-shaped feeder line, This V-shaped feeder line antenna model showed a much lower resonance frequency (36.50 GHz) compared to normal planar (38.92GHz) and the planar with spiral transmission line model (38.52 GHz).
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2

Das, Swarup, Debasis Mitra, and Sekhar Ranjan Bhadra Chaudhuri. "Design of UWB Planar Monopole Antennas with Etched Spiral Slot on the Patch for Multiple Band-Notched Characteristics." International Journal of Microwave Science and Technology 2015 (October 20, 2015): 1–9. http://dx.doi.org/10.1155/2015/303215.

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Three types of Ultrawideband (UWB) antennas with single, double, and triple notched bands are proposed and investigated for UWB communication applications. The proposed antennas consist of CPW fed monopole with spiral slot etched on the patch. In this paper single, double, and also triple band notches with central frequency of 3.57, 5.12, and 8.21 GHz have been generated by varying the length of a single spiral slot. The proposed antenna is low-profile and of compact size. A stable gain is obtained throughout the operation band except the three notched frequencies. The antennas have omnidirectional and stable radiation patterns across all the relevant bands. Moreover, relatively consistent group delays across the UWB frequencies are noticed for the triple notched band antenna. A prototype of the UWB antenna with triple notched bands is fabricated and the measured results of the antenna are compared with the simulated results.
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3

Zhao, Dechun, Xiaoyu Chen, Longsheng Zhang, and Huiquan Zhang. "Design of the Micro-Strip Antenna for Wireless Capsule Endoscope." Journal of Information Technology Research 8, no. 3 (2015): 43–58. http://dx.doi.org/10.4018/jitr.2015070103.

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This paper analyzed the type of mini-type antenna, studied the miniaturization technique based on simulation in depth, and finally designed the high-performance micro-strip antenna. The advantages of micro-strip antenna are light-weight, compact size, relatively thin thickness, and so on. However, it still needs aggressive miniaturization to satisfy the requirements of encapsulation. Techniques for miniaturization of antenna mainly include a ground plane, double-layer patch, shorting pin or wall, lossless dielectric substrate and the spiral structure. The techniques of multi-layer and shorting wall can narrow down the resonant frequency and attain bandwidth enhancement. Nonetheless, they have a complicated structure. Thus, simulation researched the influence of the surrounding tissue in detail, the position relation of shorting pin and the feed point, the substrate parameters and the structure parameters of the spiral antenna on performance. At last, through the techniques of the shorting pin, high permittivity substrate and the spiral shape, two Archimedean micro-strip patch antennas were developed for wireless capsule endoscope. The antenna has the bandwidth of about 300 MHz, the minimum voltage standing-wave ratio of 1.14:1, and the diameter of 8.3 mm. Therefore, the antenna can offer excellent performance for transmitting image data.
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4

Elsheakh, Dalia M., and Esmat A. Abdallah. "Compact multiband printed-IFA on electromagnetic band-gap structures for wireless applications." International Journal of Microwave and Wireless Technologies 5, no. 4 (2013): 551–59. http://dx.doi.org/10.1017/s1759078713000263.

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Fourth generation mobiles require multi-standard operating handsets with small physical size as well as increasing demand for higher data rates. Compact multi-band printed inverted-F antennas (IFA) for available wireless communications are proposed in this paper. New design of printed IFA based on uniplanar compact electromagnetic band-gap (EBG) structure concept is proposed. A printed-IFA with L-load shaped over an artificial ground plane is designed as the main antenna to cover most wireless applications such as GSM, LTE, UMTS, Bluetooth, Wimax, and WLAN. The multi-band is created by means of an EBG structure that is used as a ground plane. Different shapes of uniplanar EBG such as ring, split ring resonator, and spiral rather than mushroom-like structure are investigated. The proposed antenna is built on the uniplanar EBG ground plane with size of 35 × 45 mm2, which is suitable for most of the mobile devices.
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5

Elsheakh, Dalia, and Esmat Abdallah. "Compact Multiband Printed IFA on Electromagnetic Band-Gap Structures Ground Plane for Wireless Applications." International Journal of Microwave Science and Technology 2013 (February 12, 2013): 1–9. http://dx.doi.org/10.1155/2013/248501.

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The fourth mobile generation requires of multistandard operating handsets of small physical size as well as has an increasing demand for higher data rates. Compact multiband printed inverted-F antennas (IFAs) for available wireless communications are proposed in this paper. A new design of a printed IFA based on a uniplanar compact EBG concept is proposed. An L-loaded printed IFA shaped over an artificial ground plane is designed as the main antenna to cover the GSM, LTE, UMTS, bluetooth, and WLAN. The multi-band is created by means of an electromagnetic band-gap (EBG) structure that is used as a ground plane. Different shapes of uniplanar EBG as ring, split ring resonator, and a spiral rather than mushroom-like structure are investigated. The proposed antenna is built on the uniplanar EBG ground plane with a size of 35×45 mm2, which is suitable for most of the mobile devices.
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6

Setiyowati, Diah, Syah Alam, and Indra Surjati. "Miniaturization of Microstrip Antenna Using Spiral labyrinth Method at Frequency of Work 3.5 GHz." JOURNAL OF INFORMATICS AND TELECOMMUNICATION ENGINEERING 5, no. 2 (2022): 520–31. http://dx.doi.org/10.31289/jite.v5i2.5650.

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Along with the times, communication technology has developed so that it is currently included in the Fifth Generation (5G) Communication System. The 5G communication system is divided into three frequency categories, namely low band, middle band and high band. One of the important devices in the telecommunications sector is the antenna. Antenna serves to send and receive electromagnetic signals at a certain working frequency. Currently, antennas have been completely integrated into the needs of modern society. One type of antenna that can support the needs of today's technology is a microstrip antenna. This antenna has several advantages, especially in its antenna compact design, low profile configuration and affordable manufacturing costs. In this article, a microstrip antenna is designed with the spiral labyrinth method that works at a frequency of 3.5 GHz for 5G communication system. Propsosed antena designed using RT Duroid R5880 with dielectric constant ( ) 2.2, dielectric loss (loss tan) 0.0009 and thickness (h) 1.57 mm. The simulation results show the reflection coefficient -29.58 dB, VSWR 1.069, gain 6.432 dB at frequency of 3.5 GHz . Spiral labyrinth has been succesfully reduced patch antenna and enclosure until 22.5% and 24.8%, respectively.
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7

Kola, Kalyan Sundar, Anirban Chatterjee, and Deven Patanvariya. "Design of a compact high gain printed octagonal array of spiral-based fractal antennas for DBS application." International Journal of Microwave and Wireless Technologies 12, no. 8 (2020): 769–81. http://dx.doi.org/10.1017/s1759078720000239.

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AbstractThis paper presents a compact octagonal array of microstrip patch antennas for direct broadcast satellite (DBS) (12.2–12.7 GHz) services. The proposed single element of this array is a new fractal antenna, having considerably high gain and can heavily suppress cross polarization along the main beam direction. The single element is derived from a 2D spiral geometry. The corporate feed network of the array is designed in such a manner to make the structure very compact. The fabricated single element resonates at 12.51 GHz and gives a gain and bandwidth of 9.32 dBi and 280 MHz, respectively. The array resonates at 12.46 GHz and gives gain of 17.67 dBi and a bandwidth of 506 MHz, which ensures a 100% coverage of the entire DBS service band. The measured cross polarization of single element and array along the direction of main beam are −45.50 and −43.35 dB, respectively. Both the single element as well as the array maintains a reasonably good radiation efficiency of 86.70 and 82.20%, respectively.
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8

Yahyaoui, Ali, Ahmed Elsharabasy, Jawad Yousaf, and Hatem Rmili. "Numerical Analysis of MIM-Based Log-Spiral Rectennas for Efficient Infrared Energy Harvesting." Sensors 20, no. 24 (2020): 7023. http://dx.doi.org/10.3390/s20247023.

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This work presents the design and analysis of a metal-insulator-metal (MIM)-based optical log spiral rectenna for efficient energy harvesting at 28.3 THz. To maximize the benefits of the enhanced field of the proposed nano-antenna in the rectification process, the proposed design considers the antenna arms (Au) as the electrodes of the rectifying diode and the insulator is placed between the electrode terminals for the compact design of the horizontal MIM rectenna. The rectifier insulator, Al2O3, was inserted at the hotspot located in the gap between the antennas. A detailed analysis of the effect of different symmetric and asymmetric MIM-configurations (Au-Al2O3-Ag, Au-Al2O3-Al, Au-Al2O3-Cr, Au-Al2O3-Cu, and Au-Al2O3-Ti) was conducted. The results of the study suggested that the asymmetric configuration of Au-Al2O3-Ag provides optimal results. The proposed design benefits from the captured E-field intensity, I-V, resistivity, and responsivity and results in a rectenna that performs efficiently.
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9

Guinvarc'h, Regis, Mohammed Serhir, and Fabrice Boust. "A Compact Dual-Polarized 3:1 Bandwidth Omnidirectional Array of Spiral Antennas." IEEE Antennas and Wireless Propagation Letters 15 (2016): 1909–12. http://dx.doi.org/10.1109/lawp.2016.2542982.

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10

Kim, Jang-Yeol, Nam Kim, Seungwoo Lee, and Kwan-Ho Shin. "Compact Printed Antennas for Triple Band-Notched UWB Using Cmlsrrs And Spiral Resonators." Microwave and Optical Technology Letters 55, no. 10 (2013): 2265–69. http://dx.doi.org/10.1002/mop.27944.

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