Beam-reconfigurable Antenna Based on Planar Inductor with Mn-Zn Ferrite

Authors

  • Wei-Hua Zong College of Electronic Information Qingdao University, Qingdao 266071, China | The corresponding author is Wei-Hua Zong (weihuazong@126.com).
  • Meng Yin College of Electronic Information Qingdao University, Qingdao 266071, China
  • Cheng Ju College of Electronic Information Qingdao University, Qingdao 266071, China
  • Shandong Li College of Electronic Information Qingdao University, Qingdao 266071, China

DOI:

https://doi.org/10.13052/2024.ACES.J.400407

Keywords:

Magnet, Mn-Zn ferrite, negative inductances, reconfigurable beams

Abstract

This paper presents a beam-reconfigurable antenna design adopting distributed inductors, Mn-Zn ferrite, and static magnetic fields. The proposed antenna consists of one driven patch, two parasitic patches, and a full ground plane. Each parasitic patch is loaded with a distributed inductor with positive inductance. The patch antenna has a symmetric configuration and a broadside pattern. A Mn-Zn ferrite slab is added to one inductor to reduce its self-resonant frequency and change its inductance from positive to negative which results in unsymmetric field distributions and a tilted radiation beam. A static magnetic field is applied to the ferrite material further to adjust the tilted angle of the radiation beam. The proposed antenna works at five modes with reconfigurable beams of θ=0∘ (ϕ=0∘), 15∘ (ϕ=90∘, 270∘) and 28∘ (ϕ=90∘, 270∘).

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Author Biographies

Wei-Hua Zong, College of Electronic Information Qingdao University, Qingdao 266071, China | The corresponding author is Wei-Hua Zong (weihuazong@126.com).

Wei-Hua Zong received the doctor’s degree from Xidian University, China, in 2004. She is currently an associate professor at the School of Electronic Information, Qingdao University, China. Her research interests include the design of implanted and wearable antennas, mobile phone antennas, base station antennas, and beam-scanning antennas.

Meng Yin, College of Electronic Information Qingdao University, Qingdao 266071, China

Meng Yin was born in Hebei, China. She is currently pursuing a master’s degree at the School of Electronic Information, Qingdao University, China. Her primary research focus is on beam-reconfigurable antennas.

Cheng Ju, College of Electronic Information Qingdao University, Qingdao 266071, China

Cheng Ju received the doctor’s degree from Beijing University of Posts and Telecommunications, China, in 2015. He is currently a master’s supervisor at the School of Electronic Information, Qingdao University, China. His research interests include transceiver imbalance calibration and digital parallel processing implemented on FPGA.

Shandong Li, College of Electronic Information Qingdao University, Qingdao 266071, China

Shandong Li received the doctor’s degree from Nanjing University in 2003. He is currently a distinguished professor and doctoral supervisor at the School of Electronic Information, Qingdao University, China. His research interests include superconducting quantum interference devices and their applications in medicine, geophysics, and nondestructive testing; high-frequency soft magnetic materials and their integrated microwave devices; and weak magnetic field sensors and measurement systems based on magnetoelectric coupling effects.

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Published

2025-04-30

How to Cite

[1]
W.-H. . Zong, M. . Yin, C. . Ju, and S. . Li, “Beam-reconfigurable Antenna Based on Planar Inductor with Mn-Zn Ferrite”, ACES Journal, vol. 40, no. 04, pp. 332–339, Apr. 2025.

Issue

2025: Vol 40 Iss 4

Section

General Submission

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