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

Alibakhshikenari, Mohammad, Virdee, Bal Singh, See, Chan, Abd-Alhameed, Raed, Falcone, Francisco and Limiti, Ernesto (2019) Super-wide impedance bandwidth planar antenna for microwave and millimeter-wave applications. Sensors, 19 (10). pp. 1-9. ISSN 1424-8220

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Official URL: https://www.mdpi.com/1424-8220/19/10/2306

Abstract / Description

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
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: 600 Technology > 620 Engineering & allied operations
Department: School of Computing and Digital Media
Depositing User: Bal Virdee
Date Deposited: 22 May 2019 09:13
Last Modified: 14 Jun 2019 12:21
URI: http://repository.londonmet.ac.uk/id/eprint/4878

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