Substrate Integrated Waveguide Based Magneto-Electric Antenna for 5G

Document Type : Original Article

Authors

1 Telecommunication Engineering Department, Faculty of Engineering, Egyptian Russian university, Badr City, Cairo, Egypt.

2 Faculty of Electronic Engineering Menoufia University, Egypt

Abstract

This paper introduces a wideband magneto-electric (ME) antenna with radiation characteristics for 5G communications. The antenna consists of two horizontal patches as an electric dipole printed on a silicon oxide substrate arranged horizontally and five vertical pins as a magnetic dipole and substrate is deposited on a copper ground with two cavities at corners, each of them includes 13 pins. The Substrate Integrated Waveguide (SIW) ME-antenna is fed with 50 Ω SMA connector placed below a cavity ground plane with two opening at the corners. The single element has an impedance matching bandwidth of 25 % with circular polarized band of 8 %. The effect of the cavity is studied. The mutual coupling between ME-antenna elements is investigated for linear and circular arrangements. In order to improve the maximum gain and the Circular polarization (CP) bandwidth of the proposed SIW ME-dipole antenna, a sequential fed 2x2 ME-dipole antenna array is investigated. The 4-element array introduces a high gain of 11.95 dBi. The 16-elements of SIW ME dipole antenna array enhance the gain from 8.3 dBi to 17.73 dBi. The proposed antenna structures are implemented and analyzed by using the finite integral technique (FIT).

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ERU Research Journal
Volume 2, Issue 3
July 2023
Pages 374-384

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