Isolation Improvement of Parasitic Element-Loaded Dual-Band MIMO Antenna for Mm-Wave Applications
Musa Hussain, Wahaj Abbas Awan, Esraa Musa Ali, Mohammed S. Alzaidi, Mohammad Alsharef, Dalia H. Elkamchouchi, Abdullah Alzahrani, Mohamed Fathy Abo Sree
TL;DR
This paper presents a compact, high-gain dual-band MIMO antenna for 5G mm-wave applications with improved isolation using a parasitic element.
Contribution
A novel parasitic element is introduced to significantly enhance isolation in a dual-band MIMO antenna for 5G.
Findings
The parasitic element improved isolation by 25 dB between MIMO elements.
The antenna achieved high gains of 9.5 dB and 11.5 dB at 28 GHz and 38 GHz, respectively.
The design achieved ECC < 0.001 and CCL < 0.01 bps/Hz, indicating strong MIMO performance.
Abstract
A dual-band, compact, high-gain, simple geometry, wideband antenna for 5G millimeter-wave applications at 28 and 38 GHz is proposed in this paper. Initially, an antenna operating over dual bands of 28 and 38 GHz was designed. Later, a four-port Multiple Input Multiple Output (MIMO) antenna was developed for the same dual-band applications for high data rates, low latency, and improved capacity for 5G communication devices. To bring down mutual coupling between antenna elements, a parasitic element of simple geometry was loaded between the MIMO elements. After the insertion of the parasitic element, the isolation of the antenna improved by 25 dB. The suggested creation was designed using a Rogers/Duroid RT-5870 laminate with a thickness of 0.79 mm. The single element proposed has an overall small size of 13 mm × 15 mm, while the MIMO configuration of the proposed work has a miniaturized…
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Taxonomy
TopicsAntenna Design and Analysis · Microwave Engineering and Waveguides · Millimeter-Wave Propagation and Modeling