Vertical Beam Adjustable Antenna for Internet of Things Applications

Authors

  • Ekkapap Aynoi Department of Electrical Engineering, Faculty of Engineering, Rajamangala University fo Technology Lanna, Chiang Mai
  • Narong Nanthakusol Department of Electrical Engineering, Faculty of Engineering, Rajamangala University fo Technology Lanna, Chiang Mai
  • Ratapon Jeenawong Department of Electrical Engineering, Faculty of Engineering, Rajamangala University fo Technology Lanna, Chiang Mai
  • Chuwong Phongcharoenpanich Department of Telecommunications Engineering, Faculty of Engineering, King Mongkut's Institute of Technology Ladkrabang
  • Supakit Kawdungta

Keywords:

Adjustable Beam Antenna, Long Range Wide Area Network (LoRaWAN), PIN diode and Parasitic Patch

Abstract

This article presents switched beam antenna for Long Range Wide Area Network (LoRaWAN) in the frequency of 920-925 MHz. The proposed antenna can be switched in four direction of the elevation plane. The antenna structure consists of a wire monopole antenna placed on the ground plane with surrounding four parasitic patches and four PIN diodes are used to switched beam of the antenna. From simulated and measured results, it is found that the proposed antenna has an input impedance of 50 W, |S11| less than -10 dB in the frequency of 920-925 MHz and antenna gain equal to 2.48 dBi. It can be efficiently to switch main beam of the antenna in four directions on the elevation plane.

References

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Published

2021-06-07

How to Cite

[1]
E. Aynoi, N. Nanthakusol, R. Jeenawong, C. . Phongcharoenpanich, and S. Kawdungta, “Vertical Beam Adjustable Antenna for Internet of Things Applications”, Eng. & Technol. Horiz., vol. 38, no. 2, pp. 1–8, Jun. 2021.

Issue

Vol. 38 No. 2 (2021): April -June

Section

Research Articles

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The published articles are copyrighted by the School of Engineering, King Mongkut's Institute of Technology Ladkrabang.

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