A rectangular microstrip antenna array for 5G K-band

Haoran Yang

doi:10.1117/12.2652579

6 September 2022 A rectangular microstrip antenna array for 5G K-band

Haoran Yang

Proceedings Volume 12332, International Conference on Intelligent Systems, Communications, and Computer Networks (ISCCN 2022); 1233213 (2022) https://doi.org/10.1117/12.2652579
Event: International Conference on Intelligent Systems, Communications, and Computer Networks (ISCCN 2022), 2022, Chengdu, China

Abstract

After the 5G (5^th generation mobile network) defined by 3GPP (3rd Generation Partnership Project) in 2019, the communication devices based on 5G frequency bands are required. Two frequency range of 5G NR (5G New Ratio) has been defined as FR1 and FR2, in which FR means frequency bands. FR1 (450MHz-6000MHz) is commonly referred to as 5G Sub-6GHz (below 6GHz) frequency band, while the frequency range FR2 (24250MHz-52600MHz) is 5G millimeter wave frequency band. This article put forward a single rectangular patch working in K-band with two notches for 50Ω network matching and a two-by-two microstrip antenna array configuration feeding evenly by power dividers with the compact size of 20 x 20mm² in CST simulation. Both of directivity and gain are enhanced with realized gain over 13.3 dBi with over 76% efficiency and 3-dB beamwidth less than 30 degree in main lobe. The single patch has compact size of 12 x 10mm² and good matching performance with return loss less than -45 dB at resonant frequency 26 GHz, which can be easily integrated in large scales of antenna arrays or MIMO systems. The patch and array can be the basic model to develop more advanced design.

Citation Download Citation

Haoran Yang "A rectangular microstrip antenna array for 5G K-band", Proc. SPIE 12332, International Conference on Intelligent Systems, Communications, and Computer Networks (ISCCN 2022), 1233213 (6 September 2022); https://doi.org/10.1117/12.2652579

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