A 28 GHz Beam Steerable Elliptic Microstrip Array Antenna for 5G Applications

This paper discusses the design, fabrication, and measurement of a two-layer, 2 \times 10 elliptic, microstrip series fed antenna array operating at 28 GHz for 5G and mm-wave user equipment. A branch line coupler was used as a feeding network that can generate three beams. The peak gain value of eac...

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Bibliographic Details
Published in2022 16th European Conference on Antennas and Propagation (EuCAP) pp. 1 - 4
Main Authors Najafabadi, Amir Mohsen Ahmadi, Ghani, Firas Abdul, Tekin, Ibrahim
Format Conference Proceeding
LanguageEnglish
Published European Association for Antennas and Propagation 27.03.2022
Subjects
5G mobile communication
Antenna measurements
Bandwidth
Couplers
Microstrip
Microstrip antenna arrays
Microstrip antennas
mm-wave
Multi-beam antenna
phased array antenna
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Summary:This paper discusses the design, fabrication, and measurement of a two-layer, 2 \times 10 elliptic, microstrip series fed antenna array operating at 28 GHz for 5G and mm-wave user equipment. A branch line coupler was used as a feeding network that can generate three beams. The peak gain value of each beam was 13 dBi at 28 GHz. The gain value was above 10 dBi within a beam coverage of −45° to 45°, and the peak gain value for the 26.5 GHz to 29.5 GHz band was above 10 dBi. The impedance bandwidth of the proposed design was below −10 dB in the 26.5 GHz to 29.5 GHz band. The dimensions of the 2\times 10 antenna array with coupler were 80\times 40\times 0.203 mm 3 on Rogers RO4003 substrate. This design is suitable for 5G mobile user applications due to its low cost and compactness.
DOI:10.23919/EuCAP53622.2022.9769468