A Broadband Dual-polarized Antenna for 2G/3G/4G/5G Base Station Applications

Authors

  • Ya-Li Chen School of Electronics and Information Qingdao University, Qingdao, 266000, China
  • Yao-Zong Sui School of Electronics and Information Qingdao University, Qingdao, 266000, China
  • Zhi-Qun Yang Shandong Institute of Space Electronic Technology Yantai, 264003, China
  • Xiao-Yun Qu Shandong Institute of Space Electronic Technology Yantai, 264003, China
  • Wei-Hua Zong School of Electronics and Information Qingdao University, Qingdao, 266000, China

Keywords:

5G antenna, base station antenna, broadband antenna, dual-polarized antenna

Abstract

This paper presents a novel broadband base station antenna element covering 2G/3G/4G/5G bands. The proposed antenna consists of a dual-dipole radiator and an open-box shaped reflector. The main radiating portion of each dipole arm is designed with a dualhexagon shape to improve bandwidth. Four small hexagonal-shaped parasitic patches are adopted to further decrease the reflection coefficient. Dual polarization is excited by placing two dipoles orthogonally. The openbox shaped reflector derives from a planar metal plate with four inverted L-shaped edges which are arranged below the radiator to enhance the antenna gain and reduce the half power bandwidth (HPBW) in 3.3-3.8 GHz. The prototype has been fabricated and measured with bandwidth of 1.68-3.8 GHz, coupling below -20 dB, stable HPBW with 65°± 5° and average gain of 8.5 dBi. The values of the cross-polarization discrimination (XPD) are better than 20 dB at the boresight and 10 dB within ±60° directions. The proposed antenna has a small overall size of 145×145×35.6 mm3.

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Author Biographies

Ya-Li Chen, School of Electronics and Information Qingdao University, Qingdao, 266000, China

Ya-Li Chen was born in Neijiang, Sichuan, China, in 1997. She received the B.S. degree in Information Engineering from Hangzhou Dianzi University, Hangzhou, China, in 2019. She is currently pursuing the M.S. degree in Signal and Information Processing in Qingdao University, Qingdao, China. Her current research interest is in base station antennas.

Yao-Zong Sui, School of Electronics and Information Qingdao University, Qingdao, 266000, China

Yao-Zong Sui was born in Shouguang, Shandong Province, China in 1996. In 2018, he graduated from the Electronic Information of Qingdao University. In 2020, He entered Qingdao University to pursue a master's degree in Signal and Information Processing. At present, the research direction is antenna design.

Zhi-Qun Yang, Shandong Institute of Space Electronic Technology Yantai, 264003, China

Zhi-Qun Yang received the Ph.D. degree in Communication and Information System from Nanjing University of Technology, Nanjing, Jiangsu Province, China, in 2003. He is with Shandong Institute of Space Electronic Technology, China Aerospace Science and Technology Corporation, Yantai, China, as a Senior Engineer. His research interest is signal processing and communication.

Xiao-Yun Qu, Shandong Institute of Space Electronic Technology Yantai, 264003, China

Xiao-Yun Qu was born in Yantai City, Shandong Province, China, in 1974. She received the B.S. in Applied Mathematics from Yantai University, in 1996, M.S. degree in Electromagnetic Fields and Microwave Technology from Nanjing Electronics Research Center, Nanjing, Jiangsu Province, China, in 1990. She is with Shandong Institute of Space Electronic Technology, Yantai, China, as a Senior Engineer. Her research interest is antenna design.

Wei-Hua Zong, School of Electronics and Information Qingdao University, Qingdao, 266000, China

Wei-Hua Zong was born in Penglai City, Shandong Province, China, in 1975. She received the B.S. in Applied Mathematics from Yantai University, in 1997, M.S. degree in Electromagnetic Fields and Microwave Technology from Nanjing Electronics Research Center, Nanjing, Jiangsu Province, China, in 2000, and the Ph.D. degree in Electromagnetic Fields and microwave Technology from Xidian University, Xian, Shanxi Province, China, in 2004. In 2004, she joined Qingdao University, Qingdao, Shandong Province, China as a Lecturer. Since 2005, she has been an Associate Professor in Qingdao University. From February 2010 to August, she was a Visiting Scholar Assistant with Electrical and Computation Engineering Department, National University of Singapore. Her research interests include antenna design and electromagnetic material measurement.

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Published

2021-11-06

How to Cite

[1]
Y.-L. . Chen, Y.-Z. . Sui, Z.-Q. . Yang, X.-Y. . Qu, and W.-H. . Zong, “A Broadband Dual-polarized Antenna for 2G/3G/4G/5G Base Station Applications”, ACES Journal, vol. 36, no. 09, pp. 1202–1208, Nov. 2021.

Issue

2021: Vol 36 Iss 9

Section

Articles