Fabry-Perot Cavity Antenna for Tri-Band Array Environment with Radome

Evan C. Wayton; Jay K. Lee

doi:10.1109/AP-S/USNC-URSI47032.2022.9887284

Fabry-Perot Cavity Antenna for Tri-Band Array Environment with Radome

Evan C. Wayton, Jay K. Lee

Department of Electrical Engineering & Computer Science

Research output: Chapter in Book/Entry/Poem › Conference contribution

Abstract

A multi-layer Fabry-Perot cavity antenna (FPCA) for increased boresight directivity is proposed for a high-band (HB) (3.4-4.2 GHz) array in a tri-band array environment with dielectric radome. Upon excitation of the HB dipoles in the baseline design, the radome behaves as a partially reflecting surface (PRS) which introduces reflected waves that destructively interfere with the incident wave at boresight at 4.1 GHz and 4.2 GHz. The superposition of these waves results in unacceptable boresight attenuation, leading to a reduction in the boresight directivity. The proposed FPCA reduces the boresight attenuation at 4.1 GHz and 4.2 GHz, thereby increasing the boresight directivity. The proposed technique shows a peak improvement in boresight directivity at 4.2 GHz from 10.3 dBi to 14.0 dBi, a 3.7 dB improvement, and a reduction in cross-polar radiation.

Original language	English (US)
Title of host publication	2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2022 - Proceedings
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	976-977
Number of pages	2
ISBN (Electronic)	9781665496582
DOIs	https://doi.org/10.1109/AP-S/USNC-URSI47032.2022.9887284
State	Published - 2022
Event	2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2022 - Denver, United States Duration: Jul 10 2022 → Jul 15 2022

Publication series

Name	2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2022 - Proceedings

Conference

Conference	2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2022
Country/Territory	United States
City	Denver
Period	7/10/22 → 7/15/22

Keywords

Fabry-Perot cavity antenna
antenna arrays
base station
partially reflecting surface
shared aperture antenna
sub-6 GHz
tri-band

ASJC Scopus subject areas

Computer Networks and Communications
Signal Processing
Instrumentation

Access to Document

10.1109/AP-S/USNC-URSI47032.2022.9887284

Cite this

Wayton, E. C., & Lee, J. K. (2022). Fabry-Perot Cavity Antenna for Tri-Band Array Environment with Radome. In 2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2022 - Proceedings (pp. 976-977). (2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2022 - Proceedings). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/AP-S/USNC-URSI47032.2022.9887284

Fabry-Perot Cavity Antenna for Tri-Band Array Environment with Radome. / Wayton, Evan C.; Lee, Jay K.
2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2022 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2022. p. 976-977 (2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2022 - Proceedings).

Research output: Chapter in Book/Entry/Poem › Conference contribution

Wayton, EC & Lee, JK 2022, Fabry-Perot Cavity Antenna for Tri-Band Array Environment with Radome. in 2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2022 - Proceedings. 2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2022 - Proceedings, Institute of Electrical and Electronics Engineers Inc., pp. 976-977, 2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2022, Denver, United States, 7/10/22. https://doi.org/10.1109/AP-S/USNC-URSI47032.2022.9887284

Wayton EC, Lee JK. Fabry-Perot Cavity Antenna for Tri-Band Array Environment with Radome. In 2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2022 - Proceedings. Institute of Electrical and Electronics Engineers Inc. 2022. p. 976-977. (2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2022 - Proceedings). doi: 10.1109/AP-S/USNC-URSI47032.2022.9887284

Wayton, Evan C. ; Lee, Jay K. / Fabry-Perot Cavity Antenna for Tri-Band Array Environment with Radome. 2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2022 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2022. pp. 976-977 (2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2022 - Proceedings).

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AB - A multi-layer Fabry-Perot cavity antenna (FPCA) for increased boresight directivity is proposed for a high-band (HB) (3.4-4.2 GHz) array in a tri-band array environment with dielectric radome. Upon excitation of the HB dipoles in the baseline design, the radome behaves as a partially reflecting surface (PRS) which introduces reflected waves that destructively interfere with the incident wave at boresight at 4.1 GHz and 4.2 GHz. The superposition of these waves results in unacceptable boresight attenuation, leading to a reduction in the boresight directivity. The proposed FPCA reduces the boresight attenuation at 4.1 GHz and 4.2 GHz, thereby increasing the boresight directivity. The proposed technique shows a peak improvement in boresight directivity at 4.2 GHz from 10.3 dBi to 14.0 dBi, a 3.7 dB improvement, and a reduction in cross-polar radiation.

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Fabry-Perot Cavity Antenna for Tri-Band Array Environment with Radome

Abstract

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Keywords

ASJC Scopus subject areas

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