Investigating small aperture radial line slot array antennas for medium gain communication links

Nishat Yasmin Koli; Muhammad U. Afzal; Karu P. Esselle; Ladislau Matekovits; Md. Zahidul Islam

doi:10.1109/ICEAA.2019.8879073

Investigating small aperture radial line slot array antennas for medium gain communication links

Nishat Yasmin Koli, Muhammad U. Afzal, Karu P. Esselle, Ladislau Matekovits, Md. Zahidul Islam

School of Engineering

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

2 Citations (Scopus)

Abstract

This paper investigates the performance of a relatively small aperture circularly polarized (CP) radial line slot array (RLSA) antenna with medium gain for the Ku-band. The antenna is composed of two parallel metal plates which form a parallel-plate waveguide and supports rotationally symmetric transverse electromagnetic (TEM) travelling wave. The top plate consists of radiating slot elements. The slots are arrayed on the aperture in a way to produce a circularly polarised broadside beam. The antenna was designed at the central operating frequency of 11 GHz having a circular aperture with radius of 90 mm. The predicted results indicated that the return magnitude of reflection coefficient is less than -10 dB in a operating frequency band from 10.5 GHz to 11.5 GHz. The antenna has achieved a peak directivity of 22.4 dBic with a peak gain of 22.1 dBic at 11 GHz. The CP-RLSA antenna has a predicted aperture efficiency of 40%, and a total efficiency of 93% at 11 GHz.

Original language	English
Title of host publication	Proceedings of the 2019 International Conference on Electromagnetics in Advanced Applications (ICEAA)
Subtitle of host publication	ICEAA '19 21st edition
Place of Publication	Piscataway, NJ
Publisher	Institute of Electrical and Electronics Engineers (IEEE)
Pages	613-616
Number of pages	4
ISBN (Electronic)	9781728105635, 9781728105628
ISBN (Print)	9781728105642
DOIs	https://doi.org/10.1109/ICEAA.2019.8879073
Publication status	Published - 2019
Event	21st International Conference on Electromagnetics in Advanced Applications, ICEAA 2019 - Granada, Spain Duration: 9 Sep 2019 → 13 Sep 2019

Conference

Conference	21st International Conference on Electromagnetics in Advanced Applications, ICEAA 2019
Country	Spain
City	Granada
Period	9/09/19 → 13/09/19

Access to Document

10.1109/ICEAA.2019.8879073

Link to publication in Scopus

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Koli, N. Y., Afzal, M. U., Esselle, K. P., Matekovits, L., & Islam, M. Z. (2019). Investigating small aperture radial line slot array antennas for medium gain communication links. In Proceedings of the 2019 International Conference on Electromagnetics in Advanced Applications (ICEAA): ICEAA '19 21st edition (pp. 613-616). Institute of Electrical and Electronics Engineers (IEEE). https://doi.org/10.1109/ICEAA.2019.8879073

Koli, Nishat Yasmin ; Afzal, Muhammad U. ; Esselle, Karu P. ; Matekovits, Ladislau ; Islam, Md. Zahidul. / Investigating small aperture radial line slot array antennas for medium gain communication links. Proceedings of the 2019 International Conference on Electromagnetics in Advanced Applications (ICEAA): ICEAA '19 21st edition. Piscataway, NJ : Institute of Electrical and Electronics Engineers (IEEE), 2019. pp. 613-616

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title = "Investigating small aperture radial line slot array antennas for medium gain communication links",

abstract = "This paper investigates the performance of a relatively small aperture circularly polarized (CP) radial line slot array (RLSA) antenna with medium gain for the Ku-band. The antenna is composed of two parallel metal plates which form a parallel-plate waveguide and supports rotationally symmetric transverse electromagnetic (TEM) travelling wave. The top plate consists of radiating slot elements. The slots are arrayed on the aperture in a way to produce a circularly polarised broadside beam. The antenna was designed at the central operating frequency of 11 GHz having a circular aperture with radius of 90 mm. The predicted results indicated that the return magnitude of reflection coefficient is less than -10 dB in a operating frequency band from 10.5 GHz to 11.5 GHz. The antenna has achieved a peak directivity of 22.4 dBic with a peak gain of 22.1 dBic at 11 GHz. The CP-RLSA antenna has a predicted aperture efficiency of 40%, and a total efficiency of 93% at 11 GHz.",

author = "Koli, {Nishat Yasmin} and Afzal, {Muhammad U.} and Esselle, {Karu P.} and Ladislau Matekovits and Islam, {Md. Zahidul}",

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Koli, NY , Afzal, MU , Esselle, KP, Matekovits, L & Islam, MZ 2019, Investigating small aperture radial line slot array antennas for medium gain communication links. in Proceedings of the 2019 International Conference on Electromagnetics in Advanced Applications (ICEAA): ICEAA '19 21st edition. Institute of Electrical and Electronics Engineers (IEEE), Piscataway, NJ, pp. 613-616, 21st International Conference on Electromagnetics in Advanced Applications, ICEAA 2019, Granada, Spain, 9/09/19. https://doi.org/10.1109/ICEAA.2019.8879073

Investigating small aperture radial line slot array antennas for medium gain communication links. / Koli, Nishat Yasmin ; Afzal, Muhammad U.; Esselle, Karu P.; Matekovits, Ladislau; Islam, Md. Zahidul.

Proceedings of the 2019 International Conference on Electromagnetics in Advanced Applications (ICEAA): ICEAA '19 21st edition. Piscataway, NJ : Institute of Electrical and Electronics Engineers (IEEE), 2019. p. 613-616.

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

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AB - This paper investigates the performance of a relatively small aperture circularly polarized (CP) radial line slot array (RLSA) antenna with medium gain for the Ku-band. The antenna is composed of two parallel metal plates which form a parallel-plate waveguide and supports rotationally symmetric transverse electromagnetic (TEM) travelling wave. The top plate consists of radiating slot elements. The slots are arrayed on the aperture in a way to produce a circularly polarised broadside beam. The antenna was designed at the central operating frequency of 11 GHz having a circular aperture with radius of 90 mm. The predicted results indicated that the return magnitude of reflection coefficient is less than -10 dB in a operating frequency band from 10.5 GHz to 11.5 GHz. The antenna has achieved a peak directivity of 22.4 dBic with a peak gain of 22.1 dBic at 11 GHz. The CP-RLSA antenna has a predicted aperture efficiency of 40%, and a total efficiency of 93% at 11 GHz.

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Koli NY , Afzal MU , Esselle KP, Matekovits L, Islam MZ. Investigating small aperture radial line slot array antennas for medium gain communication links. In Proceedings of the 2019 International Conference on Electromagnetics in Advanced Applications (ICEAA): ICEAA '19 21st edition. Piscataway, NJ: Institute of Electrical and Electronics Engineers (IEEE). 2019. p. 613-616 https://doi.org/10.1109/ICEAA.2019.8879073