Abstract
This article presents a ± 45° dual-polarized triple-band dipole antenna array for 5G base station applications. Each antenna element consists of three main parts: radiator, feeding baluns, and reflector. The profile antenna array is designed to cover two bands from n77 and one band from n79 5G NR frequency spectrum. The proposed antenna element and array are optimized with ANSYS 18.2 HFSS simulator and then fabricated and fully characterized. The obtained measured impedance bandwidths resulted in 3.6–3.75 GHz, 4.1–4.25 GHz, and 4.82–4.95 GHz, with a gain of almost 8.12 dBi and 70.7° half-power beam width (HPBW). Once characterized, such an elementary element has been used in the design, realization and test of a 1 × 8 antenna array that exhibited a measured gain 16.65 dBi with 69° HPBW respectively. The antenna array operates in 3.43–3.75 GHz, 4.13–4.30 GHz, and 4.80–4.95 GHz with 15 dB return loss. The triple-band dual-polarized feature with very high isolation, cross-polarization discrimination ratio (XPD) and front to back ratio (FBR) makes this profile antenna array a suitable candidate for 5G base station applications.
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Acknowledgements
This paper is supported by National Science Foundation of China (Nos. 62071003, 41874174), the fund for key Laboratory of Electromagnetic scattering (No. 61424090107), Natural Science Foundation of Anhui Province (2008085MF186) and the University Synergy Innovation of Program of Anhui Province (No. GXXT-2020-50).
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Tahseen, H.U., Yang, L. & Catarinucci, L. A triple band dual-polarized multi-slotted antenna array for base station applications. Wireless Netw 28, 1475–1487 (2022). https://doi.org/10.1007/s11276-022-02918-w
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DOI: https://doi.org/10.1007/s11276-022-02918-w