An Omnidirectional High Gain Antenna for UHF Band Ground Station (UHF대역 지상국용 무지향 고이득 안테나)

Ki-Hyoung Bae (배기형); Min-Soo Chang (장민수); Jae-Woo Joo (주재우); Chan-Ho Hwang (황찬호); Ki-Pyo Hong (홍기표)

doi:10.34163/jkits.2017.12.4.008

An Omnidirectional High Gain Antenna for UHF Band Ground Station

Journal of Knowledge Information Technology and Systems
Abbr : JKITS
2017, 12(4), pp.539-550
DOI : 10.34163/jkits.2017.12.4.008
Publisher : Korea Knowledge Information Technology Society
Research Area : Interdisciplinary Studies > Interdisciplinary Research
Published : August 31, 2017

Ki-Hyoung Bae ¹, Min-Soo Chang ¹, Jae-Woo Joo ², Chan-Ho Hwang ², Ki-Pyo Hong ³

¹한화시스템
²국방과학연구소
³뮤트로닉스

Accredited

ABSTRACT

In this paper, we designed, fabricated and tested an UHF band cylindrical dipole array antenna. In the proposed antenna, cylindrical dipoles were vertically arranged in four stages. A parallel structure feeding circuit was installed inside the cylindrical dipole and mounted so as to be broadband matching. The feeding circuit was installed at the center of the cylindrical dipole to optimize the gain flatness characteristic of the azimuth direction omnidirectional radiation pattern. Minimizing the difference between the signals branched from the feeding circuit and realizing the symmetry of the radiation pattern. The required specifications are more than 11.2% bandwidth in UHF band, above 6dBi antenna gain, standing wave ratio of 2:1 or less, less than ±1dB gain flatness in azimuth radiation pattern, more than 13 degrees in elevation radiation pattern of 3dB beamwidth. We confirmed the possibility of implementation through M&S and verified the result of M&S through production and testing. The test results are 11.2% bandwidth in the UHF band, 6.30 to 8.31 dBi gain, 1.53:1 standing wave ratio or less, within ±0.2 dB gain flatness in the azimuth radiation pattern, elevation radiation pattern of 3dB beam width was 15.62 to 15.84 degrees. The test result meets all requirements specifications.

KEYWORDS

Datalink, Ground station antenna, Dipole array, Broad band, High gain, Omni-directional, Parallel structure feeding circuit

Citation status

* References for papers published after 2023 are currently being built.

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Journal of Knowledge Information Technology and Systems 2023 KCI Impact Factor : 0.89

An Omnidirectional High Gain Antenna for UHF Band Ground Station

ABSTRACT

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Citation status

* References for papers published after 2023 are currently being built.

Journal of Knowledge Information Technology and Systems 2023 KCI Impact Factor : 0.89

An Omnidirectional High Gain Antenna for UHF Band Ground Station

ABSTRACT

KEYWORDS

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* References for papers published after 2023 are currently being built.