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A Low-Profile Ultra-Wideband Spiral Antenna Array for Global Mid-band 5G Aerospace Applications / B. Falkner; H. Zhou; Wei Zhang; Amit Mehta; V. Ziegler; T. Multerer

2021 15th European Conference on Antennas and Propagation (EuCAP)

Swansea University Author: Amit, Mehta

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DOI (Published version): 10.23919/eucap51087.2021.9411055

Abstract

A low-profile, ultra-wideband beam steering spiral antenna array with complete coverage of mid-band 5G has been developed for aerospace applications. As 5G frequency bands have been allocated across the globe, the frequencies used by different regions has diverged (e.g. 3.4-3.8 GHz in the EU and 3.3...

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Published in: 2021 15th European Conference on Antennas and Propagation (EuCAP)
ISBN: 9788831299022
Published: IEEE 2021
URI: https://cronfa.swan.ac.uk/Record/cronfa56920
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Abstract: A low-profile, ultra-wideband beam steering spiral antenna array with complete coverage of mid-band 5G has been developed for aerospace applications. As 5G frequency bands have been allocated across the globe, the frequencies used by different regions has diverged (e.g. 3.4-3.8 GHz in the EU and 3.3-3.6 GHz & 4.8-5GHz in China). This provides a challenge for intercontinental aerospace communication as aircraft must be able to cover all frequencies. Here, an antenna array solution is presented that covers all the required frequency bands with only a single antenna system. This array consists of miniaturized spiral antenna elements which generates an axial beam from 3.3 GHz to 5 GHz. By placing this antenna in a 16-element array, it allows beam steering in elevation plane from 0 to 40 degrees across the bandwidth. While this is primarily developed for aerospace applications, this work could also provide advantages for ground vehicles and UAVs.
College: College of Engineering