Hostname: page-component-5b777bbd6c-w9n4q Total loading time: 0 Render date: 2025-06-21T13:27:45.323Z Has data issue: false hasContentIssue false
  • English
  • Français

Wideband filtering antenna based on zigzag SIW cavities

Published online by Cambridge University Press:  13 June 2025

Zhi-Xia Du Open the ORCID record for Zhi-Xia Du [Opens in a new window] ,
Mingqiu Huang ,
Zhenming Pan  and
Qiong-Sen Wu
Zhi-Xia Du
Affiliation:
School of Integrated Circuits, Guangdong University of Technology, Guangzhou, China State Key Laboratory of Millimeter Waves, Nanjing, China
Mingqiu Huang
Affiliation:
School of Integrated Circuits, Guangdong University of Technology, Guangzhou, China
Zhenming Pan
Affiliation:
School of Integrated Circuits, Guangdong University of Technology, Guangzhou, China
Qiong-Sen Wu*
Affiliation:
School of Integrated Circuits, Guangdong University of Technology, Guangzhou, China
*
Corresponding author: Qiong-Sen Wu; Email: qiongsenwu@gdut.edu.cn
Get access Rights & Permissions [Opens in a new window]

Abstract

In this work, a wideband filtering antenna based on substrate integrated waveguide (SIW) cavities is proposed. The SIW cavities with zigzag topology excite multiple modes to increase the potential filtering bandwidth. The radiation slot etched on the cavity merges the resonant modes into a single frequency band, thereby enabling directional broadband radiation. Moreover, two supplementary slots are introduced to facilitate wideband impedance matching without increasing the overall size. Furthermore, both the cavities and the slots work together to create three radiation nulls, improving the filtering performance. The proposed SIW slot filtering antenna achieves good frequency selectivity and meets the increasing demand for wideband and integration of multifunctional devices. To validate the design, a prototype antenna was fabricated and tested. The measured results show that the prototype has an operating bandwidth of 10.1% at the center frequency of 11.16 GHz. The peak gain within the passband is 6.19 dBi, and the out-of-band radiation rejection level is better than 20 dB.

Keywords

filtering antennaradiation nullssubstrate integrated waveguide (SIW)zigzag cavities
Type
Research Paper
Information
International Journal of Microwave and Wireless Technologies , First View , pp. 1 - 7
Check for updates
Copyright
© The Author(s), 2025. Published by Cambridge University Press in association with The European Microwave Association.

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

Article purchase

Temporarily unavailable

References

Cheng, G, Zhou, J, Yang, L, Wu, X and Huang, Z (2023) A stacked circularly polarized filtering antenna with crossed slot. IEEE Antennas and Wireless Propagation Letters 22(12), 2935–2939.10.1109/LAWP.2023.3305600CrossRefGoogle Scholar
Yang, W, Xun, M, Che, W, Feng, W, Zhang, Y and Xue, Q (2019) Novel compact high-gain differential-fed dual-polarized filtering patch antenna. IEEE Transactions on Antennas and Propagation 67(12), 7261–7271.10.1109/TAP.2019.2930213CrossRefGoogle Scholar
Yang, W, Chen, S, Xue, Q, Che, W, Shen, G and Feng, W (2019) Novel filtering method based on metasurface antenna and its application for wideband high-gain filtering antenna with low profile. IEEE Transactions on Antennas and Propagation 67(3), 1535–1544.10.1109/TAP.2018.2889028CrossRefGoogle Scholar
Zhang, Y, Liu, T, Feng, L, Zhang, X and Wong, S-W (2023) A coupling matrix synthesis design for filtering antenna with good out-of-band suppression. IEEE Antennas and Wireless Propagation Letters 22(7), 1582–1586.10.1109/LAWP.2023.3252560CrossRefGoogle Scholar
Liu, N-W, Zhu, L, Choi, W-W and Zhang, X (2017) A low-profile aperture-coupled microstrip antenna with enhanced bandwidth under dual resonance. IEEE Transactions on Antennas and Propagation 65(3), 1055–1062.10.1109/TAP.2017.2657486CrossRefGoogle Scholar
Xie, H-Y, Wu, B, Wang, Y-L, Fan, C, Chen, J-Z and Su, T (2021) Wideband SIW filtering antenna with controllable radiation nulls using dual-mode cavities. IEEE Antennas and Wireless Propagation Letters 20(9), 1799–1803.10.1109/LAWP.2021.3097214CrossRefGoogle Scholar
Fan, C, Wu, B, Wang, Y-L, Xie, H-Y and Su, T (2021) High-gain SIW filtering antenna with low H-plane cross polarization and controllable radiation nulls. IEEE Transactions on Antennas and Propagation 69(4), 2336–2340.10.1109/TAP.2020.3018595CrossRefGoogle Scholar
Hu, K-Z, Tang, M-C, Li, M and Ziolkowski, RW and Gomez-Diaz, JS (2018) Compact, low-profile, bandwidth-enhanced substrate integrated waveguide filtenna. IEEE Antennas and Wireless Propagation Letters 17(8), 1552–1556.10.1109/LAWP.2018.2854898CrossRefGoogle Scholar
Wang, W (2021) A single-layer dual-circularly polarized SIW-cavity-backed patch filtenna with wide axial-ratio bandwidth. IEEE Antennas and Wireless Propagation Letters 20(6), 908–912.10.1109/LAWP.2021.3066616CrossRefGoogle Scholar
Yan, D, Yuan, K-H, Hu, K-Z and Chen, Z (2023) A compact circularly polarized microstrip patch filtenna based on reusable dual-mode substrate integrated waveguide cavity. Microwave and Optical Technology Letters 65 (11), 2995–3003.10.1002/mop.33821CrossRefGoogle Scholar
Chaturvedi, D and Kumar, A (2024) A QMSIW cavity-backed self-diplexing antenna with tunable resonant frequency using CSRR slot. IEEE Antennas and Wireless Propagation Letters 23(1), 259–263.10.1109/LAWP.2023.3323008CrossRefGoogle Scholar
Chaturvedi, D, Kumar, A, Althuwayb, AA and Ahmadfard, F (2023) SIW-backed multiplexing slot antenna for multiple wireless system integration. Electronics Letters 59(11), .10.1049/ell2.12826CrossRefGoogle Scholar
Hu, K-Z, Tang, M-C, Li, D, Wang, Y and Li, M (2020) Design of compact, single-layered substrate integrated waveguide filtenna with parasitic patch. IEEE Transactions on Antennas and Propagation 68(2), 1134–1139.10.1109/TAP.2019.2938574CrossRefGoogle Scholar
Liu, L (2020) Substrate integrated waveguide filtering horn antenna facilitated by embedded via-hole arrays. IEEE Transactions on Antennas and Propagation 19(7), 1187–1191.Google Scholar
Brown, MD and Saavedra, CE (2023) Highly selective and compact filtering antennas using dual-mode SIW resonators. IEEE Transactions on Antennas and Propagation 71(5), 3928–3937.10.1109/TAP.2023.3247915CrossRefGoogle Scholar
Hu, K-Z, Guo, B-C, Pan, S-Y, Yan, D, Tang, M-C and Wang, P (2023) Low-profile single-layer half-mode SIW filtering antenna with shorted parasitic patch and defected ground structure. IEEE Transactions on Circuits and Systems II-Express Briefs 70(1), 91–95.Google Scholar
Yan, D, Pan, S-Y, Guo, B-C, Hu, KZ, Bi, HS, Wang, RQ and Xie, H (2022) A compact single-layer wideband filtering antenna with capacitively loaded short-circuited parasitic patches. Microwave and Optical Technology Letters 64 (7), 1295–1301.10.1002/mop.33279CrossRefGoogle Scholar
Li, L, Pang, D, Feng, Y, Wang, Q and Lei, Z (2019) A low-profile third-order half-mode SIW filtering antenna with low H-plane cross polarization and good sideband suppression. IEEE Antennas and Wireless Propagation Letters 18(12), 2503–2507.10.1109/LAWP.2019.2941534CrossRefGoogle Scholar
Liu, X, Zhang, X, Xu, K and Shi, J (2020) A filtering antenna with high frequency selectivity using stacked dual-slotted substrate integrated cavities. IEEE Antennas and Wireless Propagation Letters 19(8), 1311–1315.10.1109/LAWP.2020.2998125CrossRefGoogle Scholar
Yang, SJ, Pan, YM, Shi, L-Y and Zhang, XY (2020) Millimeter-wave dual-polarized filtering antenna for 5G application. IEEE Transactions on Antennas and Propagation 68(7), 5114–5121.10.1109/TAP.2020.2975534CrossRefGoogle Scholar
Liu, Q, Zhu, L, Wang, J and Wu, W (2020) A wideband patch and SIW cavity hybrid antenna with filtering response. IEEE Antennas and Wireless Propagation Letters 19(5), 836–840.10.1109/LAWP.2020.2981650CrossRefGoogle Scholar
Li, D and Deng, C (2023) A single-layer filtering antenna with two controllable radiation nulls based on the multimodes of patch and SIW resonators. IEEE Antennas and Wireless Propagation Letters 22(3), 551–555.10.1109/LAWP.2022.3218135CrossRefGoogle Scholar
Augustine, A and Vinoy, KJ (2022) A wideband substrate integrated waveguide bandpass filter for 5G millimeter wave transceiver. IEEE Microwaves, Antennas, and Propagation Conference (MAPCON). . Bangalore, India.10.1109/MAPCON56011.2022.10047406CrossRefGoogle Scholar
Tang, H, Tong, C and Chen, J-X (2019) Multifunction applications of substrate integrated waveguide cavity in dielectric resonator antennas and reconfigurable circuits. IEEE Transactions on Antennas and Propagation 67(8), 5700–5704.10.1109/TAP.2019.2922439CrossRefGoogle Scholar