Dual-band Circularly-polarized Millimeter-wave Substrate Integrated Waveguide Slot Antenna Array with a Small Frequency Ratio

Authors

  • Jianxing Li School of Information and Communications Engineering Xi’an Jiaotong University, Xi’an 710049, China
  • Xiaoyan Yu School of Information and Communications Engineering Xi’an Jiaotong University, Xi’an 710049, China
  • Sifan Wu School of Information and Communications Engineering Xi’an Jiaotong University, Xi’an 710049, China
  • Sen Yan School of Information and Communications Engineering Xi’an Jiaotong University, Xi’an 710049, China
  • Kai-Da Xu School of Information and Communications Engineering Xi’an Jiaotong University, Xi’an 710049, China

DOI:

https://doi.org/10.13052/2024.ACES.J.391008

Keywords:

Circularly-polarized (CP) antenna, dual-band, slot antenna, small frequency ratio (FR), substrate integrated waveguide (SIW)

Abstract

In this paper, a 4×4 dual-band circularly-polarized (CP) substrate integrated waveguide (SIW) slot antenna array with a small frequency ratio (FR) is investigated in the Ka-band. The proposed antenna array achieves the small FR by radiating two high-order modes, i.e. TM130 and TM230, with close resonant frequencies. To realize CP performance, a sequential rotated feeding (SRF) network is used to design a 2×2 subarray. A 4×4 CP antenna array is further developed to enhance the directivity. Measured results show the antenna array achieves impedance bandwidth (|S11| < -10 dB) of 27.35-27.96 GHz at the lower band and 29.62-30.58 GHz at the higher band with an FR of only 1.1. The measured 3-dB axial-ratio (AR) bandwidths are obtained as 27.66-27.78 GHz and 30.34-30.45 GHz with right-handed circularly-polarized (RHCP) peak gains of 16.9 and 16.8 dBi, respectively. The proposed antenna array is a potential candidate for millimeter-wave communication systems.

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Author Biographies

Jianxing Li, School of Information and Communications Engineering Xi’an Jiaotong University, Xi’an 710049, China

Jianxing Li received the B.S. degree in information and communications engineering, and the M.S. and Ph.D. degrees in electromagnetic field and microwave techniques from Xi’an Jiaotong University, Xi’an, China, in 2008, 2011, and 2016, respectively. He is currently a full Professor with Xi’an Jiaotong University. His research interests include microwave and mmWave circuits and antennas, wireless power transfer, and multifunctional mmWave antennas.

Xiaoyan Yu, School of Information and Communications Engineering Xi’an Jiaotong University, Xi’an 710049, China

Xiaoyan Yu received the bachelor’s degree in information and telecommunication engineering from Xi’an Jiaotong University, Xi’an, China, in 2021. She is currently pursuing the master’s degree in electronics science and technology, from Xi’an Jiaotong University, Xi’an. Her current research interests include SIW antenna array and mm-Wave circularly-polarized antenna array.

Sifan Wu, School of Information and Communications Engineering Xi’an Jiaotong University, Xi’an 710049, China

Sifan Wu received the B.S. degree in information engineering and business administration from Xi’an Jiaotong University, Xi’an, China, in 2020, where he is currently pursuing the Ph.D. degree in electronics science and technology. His current research interests include 3-D-printed millimeter-wave filters and antenna arrays. Mr. Wu received the Best Student Paper at the 2021 National Conference on Antennas and the Best Student Paper Award at the 2022 IEEE International Conference on Electronic Information and Communication Technology (ICEICT).

Sen Yan, School of Information and Communications Engineering Xi’an Jiaotong University, Xi’an 710049, China

Sen Yan received the bachelor’s and master’s degrees in information and telecommunication engineering from Xi’an Jiaotong University, Xi’an, China, in 2007 and 2010, respectively, and the Ph.D. degree in electrical engineering from Katholieke Universiteit Leuven (KU Leuven), Leuven, Belgium, in 2015. He has authored and coauthored more than 150 international journal and conference contributions. His research interests include microwave metamaterials and metasurfaces, wearable devices and textile antennas, antenna diversity, and microwave biosensors.

Kai-Da Xu, School of Information and Communications Engineering Xi’an Jiaotong University, Xi’an 710049, China

Kai-Da Xu received the B.E. and Ph.D. degrees in electromagnetic field and microwave technology from the University of Electronic Science and Technology of China (UESTC), Chengdu, China, in 2009 and 2015, respectively. He has authored and coauthored over 160 articles in peer-reviewed journals and over 50 papers in conference proceedings. His current research interests include RF/microwave, millimeter-wave/THz devices, and antenna arrays.

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Published

2024-10-31

How to Cite

[1]
J. . Li, X. . Yu, S. . Wu, S. . Yan, and K.-D. . Xu, “Dual-band Circularly-polarized Millimeter-wave Substrate Integrated Waveguide Slot Antenna Array with a Small Frequency Ratio”, ACES Journal, vol. 39, no. 10, pp. 901–907, Oct. 2024.

Issue

2024: Vol 39 Iss 10

Section

AM for Next Gen Wireless

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