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Volume 13
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10.3390/electronics13163119
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Article

Wideband Patch Antenna with Modified L-Probe Feeding for mmWave 5G Mobile Applications

by
Woncheol Lee
1,2,
Hoyun Won
1,
Yang-Ki Hong
1,*,
Minyeong Choi
1 and
Sung-Yong An
3
1
Department of Electrical and Computer Engineering, The University of Alabama, Tuscaloosa, AL 35487, USA
2
RF Development Team, S.LSI, Samsung Electronics, Hwaseong 18448, Republic of Korea
3
Corporate R&D Institute, Samsung Electro-Mechanics Co., Ltd., Suwon 16674, Republic of Korea
*
Author to whom correspondence should be addressed.
Electronics 2024, 13(16), 3119; https://doi.org/10.3390/electronics13163119
Submission received: 10 July 2024 / Revised: 2 August 2024 / Accepted: 5 August 2024 / Published: 7 August 2024
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Abstract

This paper presents a wideband low-profile dual-polarized patch antenna with helical-shaped L-probe feeding (HLF) for mmWave 5G mobile device applications. Parametric studies on the HLF structure are performed to identify the optimal specifications. As a result, the optimized antenna achieves a wide bandwidth of 5.4 GHz (24.2–29.6 GHz), good isolation > 18 dB between ports, and 5.1 dBi of good peak realized gain, which is experimentally verified with a 10× upscaled antenna. In addition, various one × four phased arrays with different port configurations and beamform capabilities are designed and simulated for the peak realized gain. The designed antenna array shows a high peak realized gain of 10 dBi, high isolation of 15 dB between the ports, and a small substrate thickness of 0.048λ0 (λ0 is the wavelength of 24.25 GHz). Compared to the state-of-the-art antennas, the designed dual-polarized antenna can operate in the frequency ranges of 24.25–29.6 GHz, including n257, n258, and n261 of the 5G new radio frequency range 2.
Keywords: wideband; patch antenna; L-probe; mmWave; 5G; proximity coupled feeding wideband; patch antenna; L-probe; mmWave; 5G; proximity coupled feeding

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MDPI and ACS Style

Lee, W.; Won, H.; Hong, Y.-K.; Choi, M.; An, S.-Y. Wideband Patch Antenna with Modified L-Probe Feeding for mmWave 5G Mobile Applications. Electronics 2024, 13, 3119. https://doi.org/10.3390/electronics13163119

AMA Style

Lee W, Won H, Hong Y-K, Choi M, An S-Y. Wideband Patch Antenna with Modified L-Probe Feeding for mmWave 5G Mobile Applications. Electronics. 2024; 13(16):3119. https://doi.org/10.3390/electronics13163119

Chicago/Turabian Style

Lee, Woncheol, Hoyun Won, Yang-Ki Hong, Minyeong Choi, and Sung-Yong An. 2024. "Wideband Patch Antenna with Modified L-Probe Feeding for mmWave 5G Mobile Applications" Electronics 13, no. 16: 3119. https://doi.org/10.3390/electronics13163119

APA Style

Lee, W., Won, H., Hong, Y.-K., Choi, M., & An, S.-Y. (2024). Wideband Patch Antenna with Modified L-Probe Feeding for mmWave 5G Mobile Applications. Electronics, 13(16), 3119. https://doi.org/10.3390/electronics13163119

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