NDLI: A ring probe fed metallic cavity antenna for circular polarization

Content Provider	IEEE Xplore Digital Library
Author	Kunpeng Wei Zhijun Zhang Zhenghe Feng
Copyright Year	2012
Description	Author affiliation: Tsinghua National Laboratory for Information Science and Technology, Beijing, China (Kunpeng Wei; Zhijun Zhang; Zhenghe Feng)
Abstract	A ring probe fed metallic cavity antenna for circular polarization is proposed in this paper. The aim is to increase the size and improve the bandwidth of satellite antennas working in the Ku-band and other higher-frequency bands through low cost and easy fabrication. A brass C-band antenna prototype is designed and simulated for concept verification. The overall dimensions of the antenna are 0.73λ0 × 0.73λ0 × 0.90λ0 at the working frequency. The resonant mode and circular polarization of the proposed cavity antenna is excited by a coaxial feeding ring probe. The simulated impedance bandwidth for \|S11\| ≤ − 10 dB and 3-dB axial-ratio bandwidth are 1.01 GHz (7.01 GHz to 8.02 GHz) and 0.82 GHz (7.11 GHz to 7.93 GHz) respectively. The simulated 3-dB axial-ratio beamwidths at the central frequency are 160° and 156° in the x-z and the y-z planes, respectively, which is wide enough to cover the > 0 dBi gain beamwidths of 120° for practical engineering applications.
Starting Page	1
Ending Page	2
File Size	620263
Page Count	2
File Format	PDF
ISBN	9781467304610
ISSN	15223965
e-ISBN	9781467304627
DOI	10.1109/APS.2012.6348435
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-07-08
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Probes Bandwidth Microstrip antennas Cavity resonators Polarization Dielectric resonator antennas
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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