Compact fully metallic multi‐mode waveguide antenna for cellular communications

The needed isolation between elements for high‐performance beam steering array antennas is a challenging task especially when the distance between the antenna elements is reduced. To tackle this problem, the authors report a multi‐port multi‐mode single‐antenna with beam steering capability (±7 deg)...

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Veröffentlicht in:IET Microwaves, Antennas & Propagation Antennas & Propagation, 2024-08, Vol.18 (8), p.585-592
Hauptverfasser: Mokhtarani, Ali, Ghattan Kashani, Zahra, Navarro‐Cía, Miguel
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Sprache:eng
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Zusammenfassung:The needed isolation between elements for high‐performance beam steering array antennas is a challenging task especially when the distance between the antenna elements is reduced. To tackle this problem, the authors report a multi‐port multi‐mode single‐antenna with beam steering capability (±7 deg) suitable for cellular communications. The multi‐port multi‐mode characteristic of the proposed antenna enables size reduction and better taper efficiency than antenna arrays operating in the 3.3–3.7 GHz cellular band. The reported antenna exploits four Transverse Electric modes to modify the half‐power beamwidth of the radiation from 20° to 41° as required in cellular communication. A multi‐port multi‐mode single antenna is presented that provides beam steering capability between ±7° for cellular communications from 3.3 to 3.7 GHz. The proposed antenna enables size reduction and better taper efficiency than traditional antenna arrays that are investigated.
ISSN:1751-8725
1751-8733
DOI:10.1049/mia2.12485