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A wideband circularly polarized patch antenna using λ/4 and λ/2 resonators
Qiong-Sen Wu; Xiao Zhang; Lei Zhu
2018-12-03
Conference NameIEEE International Conference on RFID-Technology and Applications (RFID-TA)
Source PublicationRFID-TA 2018 - 2018 IEEE International Conference on RFID Technology and Applications
Conference Date26-28 Sept. 2018
Conference PlaceMacau, Macao
Abstract

A wideband circularly polarized (CP) patch antenna with enhanced axial ratio (AR) bandwidth via codesign of feeding network is proposed in this paper. One λ/4 resonator and one λ/2 resonator are introduced and coupled in proximity to two orthogonal points of a square patch radiator to excite two orthogonal modes. These two resonators not only function as impedance matching elements to achieve equal magnitude of two orthogonal modes in a wide frequency band, but also provide the required 90° phase difference. In this way, two minima in the AR response appear, resulting in extended AR bandwidth. Simulated results demonstrate that 2% 3-dB AR bandwidth is achieved on a low profile of 0.014 λ 0 .

KeywordCircularly Polarized Wideband Λ/4 And Λ/2 Resonators
DOI10.1109/RFID-TA.2018.8552813
URLView the original
Indexed ByCPCI-S
Language英語English
WOS Research AreaEngineering ; Telecommunications
WOS SubjectEngineering, Electrical & Electronic ; Telecommunications
WOS IDWOS:000455477800024
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Cited Times [WOS]:0   [WOS Record]     [Related Records in WOS]
Document TypeConference paper
CollectionUniversity of Macau
AffiliationDepartment of Electrical and Computer Engineering, Faculty of Science and Technology, University of Macau, Macau, China
First Author AffilicationFaculty of Science and Technology
Recommended Citation
GB/T 7714
Qiong-Sen Wu,Xiao Zhang,Lei Zhu. A wideband circularly polarized patch antenna using λ/4 and λ/2 resonators[C],2018.
APA Qiong-Sen Wu,Xiao Zhang,&Lei Zhu.(2018).A wideband circularly polarized patch antenna using λ/4 and λ/2 resonators.RFID-TA 2018 - 2018 IEEE International Conference on RFID Technology and Applications.
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