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Tilted Circularly Polarized Beam Microstrip Antenna with Miniaturized Circular Sector Patch under Wideband Dual-Mode Resonance
Jian Yu1; Wen-Jun Lu1; Yong Cheng1; Lei Zhu2
2020-09-01
Source PublicationIEEE Transactions on Antennas and Propagation
ISSN0018-926X
Volume68Issue:9Pages:6580-6590
Abstract

A design approach to miniaturized, dual-resonant microstrip circular sector patch antenna with tilted circularly polarized (CP) beam is proposed. As mathematically laid down at first, the range of an asymmetric multiresonant prototype dipole's length should be set as the positive odd-integer multiples of one-quarter wavelength, such that the resonant frequency could be accordingly reduced by one-half to the symmetric case. In this way, an asymmetric circular sector patch radiator can then be employed to realize a unique tilted CP beam by simultaneously exciting two orthogonal, odd-order resonant modes via proper perturbations. As numerically and experimentally validated, dual-resonant microstrip antennas with compact patch, flared angles of 330°/270°, impedance bandwidth of 26.6%/35.8%, and tilted CP 3 dB axial ratio (AR) bandwidth of 7.3%/12.0% can be realized on single-layered, air substrate with a height no more than 0.07 wavelength. It is evidently verified that the proposed approach should be effective for reducing patch size, enhancing impedance bandwidth and realizing tilted CP beam without increasing antenna profile, inquiring multiple radiators or employing reactance compensation techniques.

KeywordDual-resonant Microstrip Patch Antenna Miniaturized Tilted Circularly Polarized (Cp) Beam Wideband
DOI10.1109/TAP.2020.2990150
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaEngineering ; Telecommunications
WOS SubjectEngineering, Electrical & Electronic ; Telecommunications
WOS IDWOS:000567451200010
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Cited Times [WOS]:1   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Affiliation1.Jiangsu Key Laboratory of Wireless Communications,Nanjing University of Posts and Telecommunications,Nanjing,210003,China
2.Department of Electrical and Computer Engineering,Faculty of Science and Technology,University of Macau,999078,Macao
Recommended Citation
GB/T 7714
Jian Yu,Wen-Jun Lu,Yong Cheng,et al. Tilted Circularly Polarized Beam Microstrip Antenna with Miniaturized Circular Sector Patch under Wideband Dual-Mode Resonance[J]. IEEE Transactions on Antennas and Propagation,2020,68(9):6580-6590.
APA Jian Yu,Wen-Jun Lu,Yong Cheng,&Lei Zhu.(2020).Tilted Circularly Polarized Beam Microstrip Antenna with Miniaturized Circular Sector Patch under Wideband Dual-Mode Resonance.IEEE Transactions on Antennas and Propagation,68(9),6580-6590.
MLA Jian Yu,et al."Tilted Circularly Polarized Beam Microstrip Antenna with Miniaturized Circular Sector Patch under Wideband Dual-Mode Resonance".IEEE Transactions on Antennas and Propagation 68.9(2020):6580-6590.
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