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Connected Antenna Arrays With Beamsteering Capability for On-Package Millimetre-Wave Applications

Md Rasheduzzaman Al-Amin, Reza Shamsaee Malfajani and Elham Baladi

Article (2024)

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Abstract

In this work, on-package, beamsteerable, slot-based connected antenna arrays (CAA), namely a single slot connected antenna array (SSCAA) and a double slot connected antenna array (DSCAA), are designed, fabricated and measured for millimeter-wave (mm-wave) applications. Both structures are designed in a multi-layer stack-up fashion considering the package environment. The proposed SSCAA and DSCAA show 12.3% (centered at 27.55 GHz) and 16.5% (centered at 30.2 GHz) of measured bandwidths (-10 dB return loss) in their respective operating frequency bands. The measured realized gains of the SSCAA and DSCAA are 9.89 dBi and 12.5 dBi at broadside, demonstrating efficiencies of 89% and 78% respectively. The measured beamsteering capabilities show that the beam from both structures can be steered up to ±350. The proposed SSCAA and DSCAA prototypes are designed having radiator sizes of (1.63λ x 0.17λ x 0.1λ) and (1.61λ x 0.48λ x 0.1λ) respectively (λ centered at 28 GHz). The comparative analysis with the state of the art demonstrates that the proposed SSCAA and DSCAA have excellent bandwidth, high realized gain, and comparable beamsteering performance while presenting a smaller form factor making them suitable for handheld and mobile terminals.

Uncontrolled Keywords

Antenna on-package; Beamsteering; Connected Slot Antenna Array; Millimeter-Waves.

Subjects: 2500 Electrical and electronic engineering > 2500 Electrical and electronic engineering
Department: Department of Electrical Engineering
Research Center: POLY-GRAMES - Advanced Research Centre in Microwaves and Space Electronics
Funders: CRSNG/NSERC, Fonds de recherche du Qu´ebec Nature et Technologies (FRQNT)
Grant number: RGPIN-2019-05298
PolyPublie URL: https://publications.polymtl.ca/57341/
Journal Title: IEEE Open Journal of Antennas and Propagation
Publisher: Institute of Electrical and Electronics Engineers
DOI: 10.1109/ojap.2024.3358373
Official URL: https://doi.org/10.1109/ojap.2024.3358373
Date Deposited: 25 Mar 2024 14:37
Last Modified: 10 Apr 2024 13:27
Cite in APA 7: Al-Amin, M. R., Malfajani, R. S., & Baladi, E. (2024). Connected Antenna Arrays With Beamsteering Capability for On-Package Millimetre-Wave Applications. IEEE Open Journal of Antennas and Propagation, 17 pages. https://doi.org/10.1109/ojap.2024.3358373

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