Super-wide impedance bandwidth planar antenna for microwave and millimetre-wave applications

Alibakhshikenari, Mohammad ORCID: 0000-0001-6074-8019, Virdee, Bal Singh, See, Chan ORCID: 0000-0001-8439-7321, Abd-Alhameed, Raed A. ORCID: 0000-0003-2972-9965, Falcone, Francisco ORCID: 0000-0002-4911-9753 and Limiti, Ernesto ORCID: 0000-0003-4668-7461 (2019) Super-wide impedance bandwidth planar antenna for microwave and millimetre-wave applications. Sensors, 19 (10). e2306. ISSN 1424-8220

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Abstract

A feasibility study of a novel configuration for a super-wide impedance planar antenna is presented based on a 2 × 2 microstrip patch antenna (MPA) using CST Microwave Studio. The antenna comprises a symmetrical arrangement of four-square patches that are interconnected to each other with cross-shaped high impedance microstrip lines. The antenna array is excited through a single feedline connected to one of the patches. The proposed antenna array configuration overcomes the main drawback of conventional MPA with a narrow bandwidth that is typically 5%. The antenna exhibits a super-wide frequency bandwidth from 20 GHz to 120 GHz for S11 −15 dB, which corresponds to a fractional bandwidth of 142.85%. The antenna’s performance of bandwidth, impedance match, and radiation gain were enhanced by etching slots on the patches. With the inclusion of the slot, the maximum radiation gain and efficiency of the MPA increased to 15.11 dBi and 85.79% at 80 GHz, which showed an improvement of 2.58 dBi and 12.54%, respectively. The dimension of each patch antenna was 4.3 × 5.3 mm2. The results showed that the proposed MPA is useful for various existing and emerging communication systems such as ultra-wideband (UWB) communications, RFID systems, massive multiple-output multiple-input (MIMO) for 5G, and radar systems.

Item Type: Article
Additional Information: Licence for this article: https://creativecommons.org/licenses/by/4.0/
Uncontrolled Keywords: array antenna, microstrip patch antenna (MPA), slot antenna, simplified composite right/left-handed metamaterial (SCRLH MTM), multiple-output multiple-input (MIMO), radar, radio frequency identification (RFID) systems, millimeter-wave band
Subjects: T Technology > T Technology (General)
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: School of Engineering > Engineering
SWORD Depositor: JISC Publications Router
Depositing User: JISC Publications Router
Date Deposited: 10 Dec 2019 08:43
Last Modified: 10 Dec 2019 08:43
Identification Number: 10.3390/s19102306
URI: http://ubir.bolton.ac.uk/id/eprint/2272

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