Dual-Band Branch Line Coupler-Based Circularly Polarized Antenna for Millimeter-Wave Applications

Arpan Desai*, Yi Fan Tsao, Heng Tung Hsu

*Corresponding author for this work

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

Abstract

A dual-band circularly polarized antenna radiating at 28/38 GHz is proposed. The circular polarization is achieved by exciting the inputs of the two orthogonally placed antennas through a 90° phase shift using a dual-band branch-line coupler (BLC). The proposed antenna shows an overall system bandwidth of 13.23% (26.1-29.8 GHz) and 5.68% (37.6-39.8 GHz) in terms of <3dB Axial ratio (AR) and <-10dB S11. Such wide system bandwidth at dual frequencies makes the proposed antenna a good candidate for millimeter-wave (mm-wave) applications.

Original languageEnglish
Title of host publication2023 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2023 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages369-370
Number of pages2
ISBN (Electronic)9781665442282
DOIs
StatePublished - 2023
Event2023 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2023 - Portland, United States
Duration: 23 Jul 202328 Jul 2023

Publication series

NameIEEE Antennas and Propagation Society, AP-S International Symposium (Digest)
Volume2023-July
ISSN (Print)1522-3965

Conference

Conference2023 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2023
Country/TerritoryUnited States
CityPortland
Period23/07/2328/07/23

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