Low-profile, low sidelobe array antenna with ultrawide beam coverage for UAV communication

doi:10.1016/j.cja.2024.07.031

UM > Faculty of Science and Technology > DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING

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Status	已發表Published
	Low-profile, low sidelobe array antenna with ultrawide beam coverage for UAV communication
	LI, Mei 1; SHANG, Zhiliang 1; PU, Lin 1; TANG, Ming Chun 1; ZHU, Lei2
	2025
Source Publication	Chinese Journal of Aeronautics
ISSN	1000-9361
Volume	38 Issue:1
Abstract	This paper presents a design method to implement an antenna array characterized by ultra-wide beam coverage, low profile, and low Sidelobe Level (SLL) for the application of Unmanned Aerial Vehicle (UAV) air-to-ground communication. The array consists of ten broadside-radiating, ultrawide-beamwidth elements that are cascaded by a central-symmetry series-fed network with tapered currents following Dolph-Chebyshev distribution to provide low SLL. First, an innovative design of end-fire Huygens source antenna that is compatible with metal ground is presented. A low-profile, half-mode Microstrip Patch Antenna (MPA) is utilized to serve as the magnetic dipole and a monopole is utilized to serves as the electric dipole, constructing the compact, end-fire, grounded Huygens source antenna. Then, two opposite-oriented end-fire Huygens source antennas are seamlessly integrated into a single antenna element in the form of monopole-loaded MPA to accomplish the ultrawide, broadside-radiating beam. Particular consideration has been applied into the design of series-fed network as well as antenna element to compensate the adverse coupling effects between elements on the radiation performance. Experiment indicates an ultrawide Half-Power Beamwidth (HPBW) of 161° and a low SLL of −25 dB with a high gain of 12 dBi under a single-layer configuration. The concurrent ultrawide beamwidth and low SLL make it particularly attractive for applications of UAV air-to-ground communication.
Keyword	Array antenna Broad beam Chebyshev synthesis Fan beam Low sidelobe level UAV communication
DOI	10.1016/j.cja.2024.07.031
URL	View the original
Language	英語English
Scopus ID	2-s2.0-85211449982
Fulltext Access	View Full-Text via DOI View Full-Text via Web of Science View Full-Text via Scopus
Citation statistics
Document Type	Journal article
Collection	DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Affiliation	1.School of Microelectronics and Communication Engineering, Chongqing University, Chongqing, 400044, China 2.Department of Electrical and Computer Engineering, University of Macau, 999078, Macao
Recommended Citation GB/T 7714	LI, Mei,SHANG, Zhiliang,PU, Lin,et al. Low-profile, low sidelobe array antenna with ultrawide beam coverage for UAV communication[J]. Chinese Journal of Aeronautics, 2025, 38(1).
APA	LI, Mei., SHANG, Zhiliang., PU, Lin., TANG, Ming Chun., & ZHU, Lei (2025). Low-profile, low sidelobe array antenna with ultrawide beam coverage for UAV communication. Chinese Journal of Aeronautics, 38(1).
MLA	LI, Mei,et al."Low-profile, low sidelobe array antenna with ultrawide beam coverage for UAV communication".Chinese Journal of Aeronautics 38.1(2025).

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