Asim Ghalib, Mohammad S. Sharawi
, Raj Mittra, Hussein Attia and Atif Shammim
Article (2021)
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Abstract
A novel four-element collocated travelling wave substrate integrated waveguide (SIW) multiple-input multiple-output (MIMO) antenna covering millimetre wave (mm-wave) bands (28–32 GHz) is presented. The antenna exhibits a matching bandwidth of more than 4 GHz and a measured gain of 15 dBi. The MIMO antenna elements are collocated, thus significantly reducing the size of the proposed design. To spatially isolate the beams (obtain lower correlation coefficient) of the MIMO antenna elements, the beams are oriented in different directions. The slots within each SIW array are designed to provide tilted beams, thus eliminating the need for a beam switching network. Four distinct beams are formed towards ±10° and ±30°. The dimension of the four-element MIMO SIW design is 68 × 30.68 × 0.5 mm3. The proposed antenna has a high gain, compact size, simpler feeding and enhanced MIMO capability compared to other SIW antennas proposed in the literature.
| Subjects: |
2500 Electrical and electronic engineering > 2500 Electrical and electronic engineering 2500 Electrical and electronic engineering > 2511 Antennas and propagation 2500 Electrical and electronic engineering > 2520 Microwave and millimeter-wave devices, circuits and technologies |
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| Department: | Department of Electrical Engineering |
| Research Center: | POLY-GRAMES - Advanced Research Centre in Microwaves and Space Electronics |
| Funders: | King Fahd University of Petroleum and Minerals, King Abdullah University of Science and Technology |
| Grant number: | FT 161006, ST-2016-KKI-2899 |
| PolyPublie URL: | https://publications.polymtl.ca/9302/ |
| Journal Title: | IET Microwaves, Antennas & Propagation (vol. 15, no. 8) |
| Publisher: | John Wiley & Sons |
| DOI: | 10.1049/mia2.12110 |
| Official URL: | https://doi.org/10.1049/mia2.12110 |
| Date Deposited: | 27 Feb 2023 11:33 |
| Last Modified: | 27 Sep 2024 22:18 |
| Cite in APA 7: | Ghalib, A., Sharawi, M. S., Mittra, R., Attia, H., & Shammim, A. (2021). Collocated MIMO travelling wave SIW slot array antennas for millimetre waves. IET Microwaves, Antennas & Propagation, 15(8), 815-826. https://doi.org/10.1049/mia2.12110 |
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