Superdirective Broadside-Radiating Unidirectional Mixed-Multipole Antenna Arrays
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Final Accepted Manuscript
Author
Ziolkowski, Richard W.Affiliation
Department of Electrical and Computer Engineering, University of ArizonaIssue Date
2024-03-17
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R. W. Ziolkowski, "Superdirective Broadside-Radiating Unidirectional Mixed-Multipole Antenna Arrays," 2024 18th European Conference on Antennas and Propagation (EuCAP), Glasgow, United Kingdom, 2024, pp. 1-5, doi: 10.23919/EuCAP60739.2024.10500925.Rights
© 2024 IEEE.Collection Information
This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.Abstract
A realistic superdirective broadside-radiating unidirectional mixed-multipole antenna (UMMA) design is presented and then used as the radiators of two two-element arrays. The single and two element systems are self-resonant in the 5G 28 GHz band being matched to 75 Ω sources without any intervening matching networks. Details of the designs along with their key performance attributes: directivity, realized gain, front-to-back ratio, radiation efficiency, and bandwidth, are given. It is demonstrated that these systems are not only highly efficient and have usable bandwidths, but they are all superdirective with their directivities surpassing several recognized bounds. They also further the recognition that traditional perceptions of superdirective systems being impractical are no longer tenable.Note
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Final accepted manuscriptae974a485f413a2113503eed53cd6c53
10.23919/eucap60739.2024.10500925