Dual-band composite high gain MIMO antenna for 5G NR applications employing shareable small cell radio unit
Asadullah, Nosherwan Shoaib, Muhammad U. Khan, Ali Ahmed, Atef A. Aburas, Qammer H. Abbasi
TL;DR
This paper introduces a high-gain MIMO antenna for 5G that operates efficiently in two key frequency bands, supporting advanced communication needs.
Contribution
The novelty lies in the dual-band composite MIMO antenna design with high gain for 5G NR applications.
Findings
The antenna achieves dual-band resonance at 3.85 GHz and 26.65 GHz with high peak gains of 8.23 dB and 13.14 dB.
It provides wide impedance bandwidths of 2.02 GHz in FR1 and 5.3 GHz in FR2.
The design meets Open RAN specifications for shareable 5G small cell radio units.
Abstract
In this paper, a MIMO antenna is presented consisting of 4 composite elements. Each antenna element consists of a U-shaped conducting structure and a perturbed barrel Dielectric Resonator Antenna (PB-DRA) structure. The former is loaded with a bow-tie patch, and it is parasitically excited through the U-shaped microstrip element. The additional bow-tie structure is designed for the gain enhancement in the 5G NR frequency range 1 (FR1) band and frequency range 2 (FR2). The PB-DRA has a dielectric constant of 8, and it is excited in higher-order mode to achieve resonance in FR2. The composite structure offers dual-band resonance with 3.85 GHz resonant frequency in the FR1 band and 26.65 GHz in the FR2 band, giving a large frequency ratio radiation characteristic. The proposed antenna offers impedance bandwidth of 2.02 GHz in the FR1 band, and 5.3 GHz in the FR2 band. Achieving multi-band…
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Taxonomy
TopicsAntenna Design and Analysis · Wireless Body Area Networks · Millimeter-Wave Propagation and Modeling