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High-Performance Multiple-Input Multiple-Output Antenna System For 5G Mobile Terminals
Open AccessFeature PaperArticle

A Compact Semi-Circular and Arc-Shaped Slot Antenna for Heterogeneous RF Front-Ends

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Department of Electronics, University of Ferhat Abbas, Sétif 1, Sétif 19000, Algeria
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School of Electrical Engineering and Computer Science, University of Bradford, Bradford BD71DP, UK
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Department of Electrical Engineering, University of 20 Aout 1955—Skikda, Skikda 21000, Algeria
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Instituto de Telecomunicações, Campus Universitário de Santiago, Aveiro, Portugal
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Centre for Wireless Technology, Faculty of Engineering, Multimedia University, Cyberjaya 63100, Malaysia
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Information and Communication Engineering Department, Basrah University College of Science and Technology, Basrah 24001, Iraq
*
Author to whom correspondence should be addressed.
Electronics 2019, 8(10), 1123; https://doi.org/10.3390/electronics8101123
Received: 22 August 2019 / Revised: 23 September 2019 / Accepted: 1 October 2019 / Published: 6 October 2019
(This article belongs to the Special Issue Recent Technical Developments in Energy-Efficient 5G Mobile Cells)
In this paper, a new miniaturized compact dual-band microstrip slot antenna is presented. To achieve the dual-band characteristics, two adjunct partial arc-shaped small slots are joined to two main circular slots embedded in the ground of the antenna structure. With a reduced size of 30 × 28.5 × 0.8 mm3, the proposed antenna presents a dual-band characteristic. The design is optimized using a High Frequency Structure Simulator (HFSS) followed by experimental verifications. An impedance bandwidth, for S11≤10 dB, that covers the 1.8 GHz and 2.4 GHz bands is accomplished, which makes the proposed antenna basically suitable for hand-held devices and medical applications. More applications such as digital communication system (DCS) 1.71–1.88 GHz, personal communication services (PCS) 1.85–1.99 GHz, Universal and mobile telecommunications system UMTS 1.92–2.17 GHz, Bluetooth 2.4–2.5 GHz, and Wi-Fi 2.4–2.454 GHz, Industrial Scientific and Medical radio frequency (RF) band ISM-2.4 GHz, Wireless Local Area Network (WLAN-2.4)are possible by simply changing one of the geometrical antenna dimensions. The antenna is characterized by stable radiation patterns as well.
Keywords: slot antenna; medical applications; miniaturized antenna; arc-shaped; dual-band slot antenna; medical applications; miniaturized antenna; arc-shaped; dual-band
MDPI and ACS Style

Zebiri, C.; Sayad, D.; Elfergani, I.; Iqbal, A.; Mshwat, W.F.; Kosha, J.; Rodriguez, J.; Abd-Alhameed, R. A Compact Semi-Circular and Arc-Shaped Slot Antenna for Heterogeneous RF Front-Ends. Electronics 2019, 8, 1123.

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