Design and Analysis of Circular Polarized Two-Port MIMO Antennas with Various Antenna Element Orientations

Author:

Taher Fatma1ORCID,Hamadi Hussam Al2,Alzaidi Mohammed S.3ORCID,Alhumyani Hesham4,Elkamchouchi Dalia H.5ORCID,Elkamshoushy Yasser H.6ORCID,Haweel Mohammad T.78,Sree Mohamed Fathy Abo9ORCID,Fatah Sara Yehia Abdel1011

Affiliation:

1. College of Technological Innovation, Zayed University, Dubai 19282, United Arab Emirates

2. College of Engineering and IT, University of Dubai, Dubai 14143, United Arab Emirates

3. Department of Electrical Engineering, College of Engineering, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia

4. Department of Computer Engineering, College of Computers and Information Technology, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia

5. Department of Information Technology, College of Computer and Information Sciences, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia

6. Electrical Engineering Department, Faculty of Engineering, Pharos University, Alexandria 21311, Egypt

7. Electrical Engineering Department, Shaqra University, Riyadh 17454, Saudi Arabia

8. Electronics and Communication Engineering Department, Al-Madinah Higher Institute for Engineering and Technology, Giza 12947, Egypt

9. Department of Electronics and Communications Engineering, Arab Academy for Science, Technology and Maritime Transport, Cairo 11865, Egypt

10. Deparment of Electronics and Communication, Higher Institute of Engineering and Technology, EI-Tagammoe EI-Khames, Cairo 11835, Egypt

11. Department of Electrical Engineering, Faculty of Engineering, Egyptian Chinese University, Cairo 11771, Egypt

Abstract

This article presents the circularly polarized antenna operating over 28 GHz mm-wave applications. The suggested antenna has compact size, simple geometry, wideband, high gain, and offers circular polarization. Afterward, two-port MIMO antenna are designed to get Left Hand Circular Polarization (LHCP) and Right-Hand Circular Polarization (RHCP). Four different cases are adopted to construct two-port MIMO antenna of suggested antenna. In case 1, both of the elements are placed parallel to each other; in the second case, the element is parallel but the radiating patch of second antenna element are rotated by 180°. In the third case, the second antenna element is placed orthogonally to the first antenna element. In the final case, the antenna is parallel but placed in the opposite end of substrate material. The S-parameters, axial ratio bandwidth (ARBW) gain, and radiation efficiency are studied and compared in all these cases. The two MIMO systems of all cases are designed by using Roger RT/Duroid 6002 with thickness of 0.79 mm. The overall size of two-port MIMO antennas is 20.5 mm × 12 mm × 0.79 mm. The MIMO configuration of the suggested CP antenna offers wideband, low mutual coupling, wide ARBW, high gain, and high radiation efficiency. The hardware prototype of all cases is fabricated to verify the predicated results. Moreover, the comparison of suggested two-port MIMO antenna is also performed with already published work, which show the quality of suggested work in terms of various performance parameters over them.

Funder

Princess Nourah bint Abdulrahman University Researchers Supporting

College of Technical Innovation, Zayad University

College of Engineering and IT, University of Dubai

Publisher

MDPI AG

Subject

Electrical and Electronic Engineering,Mechanical Engineering,Control and Systems Engineering

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