Design and performance evaluation of a compact beam-tilted circularly polarized slotted waveguide antenna

Mst Nishat Yasmin Koli; Karu P. Esselle; Subhas Mukhopadhyay; Md Zahidul Islam

doi:10.1109/AP-S/USNC-URSI47032.2022.9887120

Design and performance evaluation of a compact beam-tilted circularly polarized slotted waveguide antenna

Mst Nishat Yasmin Koli, Karu P. Esselle, Subhas Mukhopadhyay, Md Zahidul Islam

School of Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference proceeding contribution › peer-review

Abstract

This paper presents design configuration and performance analysis of a compact and thin beam-tilted circularly polarised (CP) radial line slot array (RLSA) waveguide antenna. In conventional CP RLSA beam-tilting method, the aperture efficiency degrades significantly due to sparsely distributed slots throughout the aperture. In this paper, we have presented a new design configuration by utilizing the most effective aperture of the antenna, and eliminating the least effective area. Using this method, an antenna was designed at 18 GHz with a beam tilt angle of 30° and a total aperture of 10λ0. The antenna has demonstrated a directivity of 25.9 dBic and a realized gain of 25.6 dBic at 18 GHz with a tilt angle of 30°. The far-field radiation pattern has shown a side lobe level of less than -21 dB.

Original language	English
Title of host publication	2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting AP-S/URSI 2022
Subtitle of host publication	proceedings
Place of Publication	Piscataway, NJ
Publisher	Institute of Electrical and Electronics Engineers (IEEE)
Pages	1226-1227
Number of pages	2
ISBN (Electronic)	9781665496582, 9781665496575
ISBN (Print)	9781665496599
DOIs	https://doi.org/10.1109/AP-S/USNC-URSI47032.2022.9887120
Publication status	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: 10 Jul 2022 → 15 Jul 2022

Publication series

Name
ISSN (Print)	1522-3965
ISSN (Electronic)	1947-1491

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	10/07/22 → 15/07/22

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10.1109/AP-S/USNC-URSI47032.2022.9887120

Cite this

Koli, M. N. Y., Esselle, K. P., Mukhopadhyay, S., & Islam, M. Z. (2022). Design and performance evaluation of a compact beam-tilted circularly polarized slotted waveguide antenna. In 2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting AP-S/URSI 2022: proceedings (pp. 1226-1227). Institute of Electrical and Electronics Engineers (IEEE). https://doi.org/10.1109/AP-S/USNC-URSI47032.2022.9887120

Koli, Mst Nishat Yasmin ; Esselle, Karu P. ; Mukhopadhyay, Subhas et al. / Design and performance evaluation of a compact beam-tilted circularly polarized slotted waveguide antenna. 2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting AP-S/URSI 2022: proceedings. Piscataway, NJ : Institute of Electrical and Electronics Engineers (IEEE), 2022. pp. 1226-1227

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title = "Design and performance evaluation of a compact beam-tilted circularly polarized slotted waveguide antenna",

abstract = "This paper presents design configuration and performance analysis of a compact and thin beam-tilted circularly polarised (CP) radial line slot array (RLSA) waveguide antenna. In conventional CP RLSA beam-tilting method, the aperture efficiency degrades significantly due to sparsely distributed slots throughout the aperture. In this paper, we have presented a new design configuration by utilizing the most effective aperture of the antenna, and eliminating the least effective area. Using this method, an antenna was designed at 18 GHz with a beam tilt angle of 30° and a total aperture of 10λ0. The antenna has demonstrated a directivity of 25.9 dBic and a realized gain of 25.6 dBic at 18 GHz with a tilt angle of 30°. The far-field radiation pattern has shown a side lobe level of less than -21 dB.",

author = "Koli, {Mst Nishat Yasmin} and Esselle, {Karu P.} and Subhas Mukhopadhyay and Islam, {Md Zahidul}",

year = "2022",

doi = "10.1109/AP-S/USNC-URSI47032.2022.9887120",

language = "English",

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booktitle = "2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting AP-S/URSI 2022",

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note = "2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2022 ; Conference date: 10-07-2022 Through 15-07-2022",

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Koli, MNY, Esselle, KP, Mukhopadhyay, S & Islam, MZ 2022, Design and performance evaluation of a compact beam-tilted circularly polarized slotted waveguide antenna. 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 (IEEE), Piscataway, NJ, pp. 1226-1227, 2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2022, Denver, Colorado, United States, 10/07/22. https://doi.org/10.1109/AP-S/USNC-URSI47032.2022.9887120

Design and performance evaluation of a compact beam-tilted circularly polarized slotted waveguide antenna. / Koli, Mst Nishat Yasmin; Esselle, Karu P.; Mukhopadhyay, Subhas et al.
2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting AP-S/URSI 2022: proceedings. Piscataway, NJ: Institute of Electrical and Electronics Engineers (IEEE), 2022. p. 1226-1227.

Research output: Chapter in Book/Report/Conference proceeding › Conference proceeding contribution › peer-review

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AU - Mukhopadhyay, Subhas

AU - Islam, Md Zahidul

PY - 2022

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N2 - This paper presents design configuration and performance analysis of a compact and thin beam-tilted circularly polarised (CP) radial line slot array (RLSA) waveguide antenna. In conventional CP RLSA beam-tilting method, the aperture efficiency degrades significantly due to sparsely distributed slots throughout the aperture. In this paper, we have presented a new design configuration by utilizing the most effective aperture of the antenna, and eliminating the least effective area. Using this method, an antenna was designed at 18 GHz with a beam tilt angle of 30° and a total aperture of 10λ0. The antenna has demonstrated a directivity of 25.9 dBic and a realized gain of 25.6 dBic at 18 GHz with a tilt angle of 30°. The far-field radiation pattern has shown a side lobe level of less than -21 dB.

AB - This paper presents design configuration and performance analysis of a compact and thin beam-tilted circularly polarised (CP) radial line slot array (RLSA) waveguide antenna. In conventional CP RLSA beam-tilting method, the aperture efficiency degrades significantly due to sparsely distributed slots throughout the aperture. In this paper, we have presented a new design configuration by utilizing the most effective aperture of the antenna, and eliminating the least effective area. Using this method, an antenna was designed at 18 GHz with a beam tilt angle of 30° and a total aperture of 10λ0. The antenna has demonstrated a directivity of 25.9 dBic and a realized gain of 25.6 dBic at 18 GHz with a tilt angle of 30°. The far-field radiation pattern has shown a side lobe level of less than -21 dB.

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Koli MNY, Esselle KP, Mukhopadhyay S, Islam MZ. Design and performance evaluation of a compact beam-tilted circularly polarized slotted waveguide antenna. In 2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting AP-S/URSI 2022: proceedings. Piscataway, NJ: Institute of Electrical and Electronics Engineers (IEEE). 2022. p. 1226-1227 doi: 10.1109/AP-S/USNC-URSI47032.2022.9887120

Design and performance evaluation of a compact beam-tilted circularly polarized slotted waveguide antenna

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