A Low-Profile and Beam-tilted Continuous Transverse Stub Array Antenna at W-band

Authors

  • Demiao Chu School of Optical-Electrical and Computer Engineering University of Shanghai for Science and Technology, Shanghai, 200093, China
  • Yujun Xiong School of Optical-Electrical and Computer Engineering University of Shanghai for Science and Technology, Shanghai, 200093, China
  • Ping Li School of Optical-Electrical and Computer Engineering University of Shanghai for Science and Technology, Shanghai, 200093, China

Keywords:

CTS array antenna, pillbox, W band

Abstract

This paper presents a low-profile, high gain, beam-tilted continuous transverse stub (CTS) array antenna at W-band. The antenna compromises 32 radiating slots and is fed by a parallel plate waveguide (PPW) network with a linear source generator. To deflect the outgoing beam, the principle of linear array scanning is adopted to design inverted T-type structure in each stub to introduce wave path difference. PPW network allows the antenna to obtain lower profile compared to other transmission lines. The design procedure, and the antenna characterization are described. The main beam of the antenna is titled 12 degree in H-plane. The simulation and measured results show that this antenna achieves peak gain of 32.4 dB and a 12 degree beam tilt angle at 99GHz. S11 parameters of the antenna is less than -10 dB in a broadband from 96 GHz to 103 GHz. This antenna has an advantage of miniaturization over other high-gain antenna solutions. The promising performance of this proposed CTS antenna reveals the possible candidate for Millimeter wave (MMW) telecommunication applications.

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Author Biographies

Demiao Chu, School of Optical-Electrical and Computer Engineering University of Shanghai for Science and Technology, Shanghai, 200093, China

Demiao Chu received the B.S. degree in Optoelectronic Information Science and Engineering from the Chizhou University, Chizhou, China, in 2019. He is currently working toward the M.S. degree in Optical Engineering at the University of Shanghai for Science and Technology, Shanghai, China. His research interests include millimeterwave and THz imaging technology, especially THz synthetic-aperture radar (SAR) and Cylinder imaging algorithm.

Yujun Xiong, School of Optical-Electrical and Computer Engineering University of Shanghai for Science and Technology, Shanghai, 200093, China

Yujun Xiong is currently working toward the M.S. degree in Optical Engineering at the University of Shanghai for Science and Technology, Shanghai, China. His research interests include microwave transmission line and antenna, especially front-end transmission network for MIMO imaging systems and high gain antenna design in terahertz non-destructive testing.

Ping Li, School of Optical-Electrical and Computer Engineering University of Shanghai for Science and Technology, Shanghai, 200093, China

Ping Li received the Ph.D. degree from the Northwestern Polytechnical University, Xi'an, China, in 2006. She is currently a Researcher with the University of Shanghai for Science and Technology, Shanghai, China. Her research interests include millimeter-wave and terahertz-wave technology, especially with the Terahertz imaging system.

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Published

2021-10-31

How to Cite

[1]
D. . Chu, Y. . Xiong, and P. . Li, “A Low-Profile and Beam-tilted Continuous Transverse Stub Array Antenna at W-band”, ACES Journal, vol. 36, no. 07, pp. 894–900, Oct. 2021.

Issue

2021: Vol 36 Iss 7

Section

Articles