Design of metasurface for performance improvement of feed source

Sujan Shrestha*, Hijab Zahra, Syed Muzahir Abbas, Mohsen Asadnia

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contributionpeer-review

Abstract

The three dimensional meta-structure is proposed in this article, which shows increased performance in the feed source in terms of directivity, gain and the side lobe level. The proposed antenna has the advantages of low profile while maintaining the fixed flare angle of the feed horn, thus supports constant aperture dimension where the phase variation is decreased from 316.27° with horn feed only condition to 19.54° with the placement of proposed prototype above the horn feed. Using numerical simu-lation various key parameters i.e. radiation patterns, directivity, gain, phase variation and side lobe levels have been computed. Results show that at design frequency of 12 GHz, the computed directivity, gain, side lobe level in H- and E- planes are 20.5 dB, 20.5 dB, -26.5 dB and -12.4 dB with only horn case and with proposed prototype placed above the horn these values improved to 22.1 dB, 21.9 dB, -15.5 dB and -17.5 dB respectively.

Original languageEnglish
Title of host publication2021 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting
Subtitle of host publicationproceedings
Place of PublicationPiscataway, NJ
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages1976-1977
Number of pages2
ISBN (Electronic)9781728146706, 9781728146690
ISBN (Print)9781728146713
DOIs
Publication statusPublished - 2021
Event2021 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, APS/URSI 2021 - Singapore, Singapore
Duration: 4 Dec 202110 Dec 2021

Conference

Conference2021 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, APS/URSI 2021
Country/TerritorySingapore
CitySingapore
Period4/12/2110/12/21

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