A flush-mounted monopolar patch antenna for UAV applications

Jinpil Tak, Jaehoon Choi

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

A flush-mounted monopolar patch antenna for unmanned aerial vehicle (UAV) applications is proposed. To establish vertical monopole-like radiation characteristics with a low-profile on the fuselage of a UAV, a TM21 higher-order mode circular patch antenna (HMCPA) was proposed. For practical installation on the UAV, the HMCPA was embedded into a round recess within the UAV fuselage and was covered by a 3D printed radome with polycarbonate nuts and bolts. The flush-mounted HMCPA had an aperture radius of only 0.23 λ0 and a height of 0.02 λ0 at 700 MHz. To verify the practicability and performance of the antenna, characteristics of the proposed HMCPA were compared with those of a λ0/4 monopole via simulation. Additionally, antenna performance was analyzed when attached to a full scale UAV model. The proposed HMCPA featured monopole-like radiation characteristics with a low-profile at 700 MHz. The measured fractional −10 dB reflection coefficient bandwidth and peak gain were 6.46% and 1.86 dBi, respectively.

Original languageEnglish
Pages (from-to)1202-1207
Number of pages6
JournalMicrowave and Optical Technology Letters
Volume59
Issue number5
DOIs
StatePublished - 2017 May 1

Fingerprint

pilotless aircraft
patch antennas
Unmanned aerial vehicles (UAV)
Microstrip antennas
monopoles
fuselages
polycarbonate
Fuselages
antennas
radomes
Antennas
Nuts (fasteners)
Radomes
Radiation
recesses
polycarbonates
radiation
Bolts
profiles
Polycarbonates

Keywords

  • flush-mounted antenna
  • HMCPA
  • monopolar patch antenna
  • UAV

Cite this

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A flush-mounted monopolar patch antenna for UAV applications. / Tak, Jinpil; Choi, Jaehoon.

In: Microwave and Optical Technology Letters, Vol. 59, No. 5, 01.05.2017, p. 1202-1207.

Research output: Contribution to journalArticle

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AU - Tak, Jinpil

AU - Choi, Jaehoon

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AB - A flush-mounted monopolar patch antenna for unmanned aerial vehicle (UAV) applications is proposed. To establish vertical monopole-like radiation characteristics with a low-profile on the fuselage of a UAV, a TM21 higher-order mode circular patch antenna (HMCPA) was proposed. For practical installation on the UAV, the HMCPA was embedded into a round recess within the UAV fuselage and was covered by a 3D printed radome with polycarbonate nuts and bolts. The flush-mounted HMCPA had an aperture radius of only 0.23 λ0 and a height of 0.02 λ0 at 700 MHz. To verify the practicability and performance of the antenna, characteristics of the proposed HMCPA were compared with those of a λ0/4 monopole via simulation. Additionally, antenna performance was analyzed when attached to a full scale UAV model. The proposed HMCPA featured monopole-like radiation characteristics with a low-profile at 700 MHz. The measured fractional −10 dB reflection coefficient bandwidth and peak gain were 6.46% and 1.86 dBi, respectively.

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