Design of a Reconfigurable Band-notched Wideband Antenna using EBG Structures

Authors

  • Xiaoyan Zhang School of Information Engineering East China Jiaotong University, Nanchang, 330013, China
  • Ziao Li School of Information Engineering East China Jiaotong University, Nanchang, 330013, China
  • Aiyun Zhan School of Information Engineering East China Jiaotong University, Nanchang, 330013, China
  • Yan Mei School of Information Engineering East China Jiaotong University, Nanchang, 330013, China

DOI:

https://doi.org/10.13052/2023.ACES.J.381108

Keywords:

Anti-interference, electromagnetic band-gap (EBG), PIN diodes, reconfigurable band notched antenna, WLAN

Abstract

A compact WLAN band-notched reconfigurable wideband antenna using two mushroom-like electromagnetic band-gap (EBG) structures is proposed in this paper. It is designed based on a dual wideband microstrip feed patch antenna with operating frequency bands of 2.2-3.7 GHz and 4.8-6 GHz. One of the EBG cells is positioned alongside the feed line, while the other EBG cell is laid on the back of the substrate. The patch or ground of the two EBG units are fed with a stronger current through a ground slot and a parasitic stub respectively, and the connections between the EBG structures and the antenna are controlled by loading a PIN diode with two 56 pF DC blocking capacitors. The advantage of this proposed design is that the antenna and the EBG unit can be designed independently. The proposed antenna has an overall size of 35×46×1.6 mm3. When testing the S11 of the antenna, the influence of the bias circuit on the antenna is also considered. The measured results show that the proposed antenna can generate two notched bands of 2.3-2.49 GHz and 5.11-5.51 GHz of WLAN, and the realized gain in the notch bands can be reduced to -2.65 dBi and -4.55 dBi, respectively, demonstrating its anti-interference characteristics, and can be applied in band notch broadband communication systems or anti-interference communication equipments such as unmanned aerial vehicles and radars.

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Author Biographies

Xiaoyan Zhang, School of Information Engineering East China Jiaotong University, Nanchang, 330013, China

Xianyan Zhang received the B.S. degree in applied physics and M.S. degree in physical electronics from Yunnan University, Kunming, China, in 2001 and 2004, respectively, and the Ph.D. degree in electromagnetic field and microwave technology from Institute of Electronics, Chinese Academy of Sciences in 2007. Her research interests include electromagnetic computation, antenna design, and wireless power transmission structure design.

Ziao Li, School of Information Engineering East China Jiaotong University, Nanchang, 330013, China

Ziao Li was born in 2000 in Guixi City, Jiangxi Province, China. He obtained a bachelor’s degree in engineering from the School of Science and Technology of East China Jiaotong University and is currently studying at the School of Information Engineering of East China Jiao Tong University. His main research direction is antenna design

Aiyun Zhan, School of Information Engineering East China Jiaotong University, Nanchang, 330013, China

Aiyun Zhan was born in Nantong, Jiangsu, China in 1973. She received the B.S. degree from Southwest Jiaotong University in 1997, and rhe M.S. degree in East China Jiaotong University in 2008. She is currently working at the School of Information Engineering, East China Jiaotong University. Her research interests focus on channel coding and optical communication.

Yan Mei, School of Information Engineering East China Jiaotong University, Nanchang, 330013, China

Yan Mei obtained a bachelor’s degree in communication engineering from the School of Information and Communication, National Defense University of the People’s Liberation Army of China in 2002, and a master’s degree in computer science and technology from East China Jiaotong University in 2009. Research interests include wireless communication and deep learning.

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Published

2024-03-25

How to Cite

[1]
X. Zhang, Z. Li, A. Zhan, and Y. Mei, “Design of a Reconfigurable Band-notched Wideband Antenna using EBG Structures”, ACES Journal, vol. 38, no. 11, pp. 895–902, Mar. 2024.

Issue

2023: Vol 38 Iss 11

Section

Articles

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