A compact 12 × 12 MIMO loop antenna for 5G mobile phone applications

A compact 12-element multiple-input multiple-output loop antenna array for a fifth-generation (5G) mobile phone is proposed. The operating band for the proposed antenna covers the long-term evolution 42 band, which spans a frequency range of 3.4–3.6 GHz. The size of the single antenna element is 5.8...

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Bibliographic Details
Published in:International journal of microwave and wireless technologies 2024-02, Vol.16 (1), p.151-161
Main Authors: Jhuang, Ji-Peng, Su, Hsin-Lung
Format: Article
Language:English
Subjects:
5G mobile communication
Antenna arrays
Antenna Design, Modelling and Measurements
Antennas
Bandwidths
Cell phones
Cellular telephones
Channel capacity
Correlation coefficients
Data transmission
Fractals
Frequency ranges
Geometry
Loop antennas
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Summary:A compact 12-element multiple-input multiple-output loop antenna array for a fifth-generation (5G) mobile phone is proposed. The operating band for the proposed antenna covers the long-term evolution 42 band, which spans a frequency range of 3.4–3.6 GHz. The size of the single antenna element is 5.85 × 4.9 mm2 (0.068λ0 × 0.057λ0), and 12 of these elements are positioned along two side edges of the mobile phone. This antenna is suitable for high screen-to-body ratio devices. The measured 6-dB impedance bandwidth is from 3.4 to 3.73 GHz. The measured total efficiency of the proposed antenna is 39–56% and the peak gain is 0–3.2 dBi. The transmission coefficient is less than −12 dB, the envelope correlation coefficient is less than 0.42, and the channel capacity is 45–50 bps/Hz.
ISSN:1759-0787
1759-0795
DOI:10.1017/S1759078723000673