Gain-enhanced EH1-mode microstrip leakywave antenna with periodical loading of shorting pins
Xie, Danpeng; Zhu, Lei; Zhang, Xiao; Liu, Neng-Wu
2018-02-07
Source PublicationIET MICROWAVES ANTENNAS & PROPAGATION
ISSN1751-8725
Volume12Issue:2Pages:230-236
Abstract

A gain-enhanced EH1-mode microstrip leaky-wave antenna (MLWA) with periodical loading of shorting pins to improve the radiation gain is proposed. Owing to the equivalent shunt inductive effect of the periodically installed shorting pins, the cut-off frequency of the proposed pin-loaded EH1-mode microstrip line (MSL) is effectively tuned up; in other words, the lateral electric dimension of the proposed MLWA is effectively enlarged. Therefore, the distance of a pair of in-phase equivalent magnetic-current line sources in two sides of the MSL is widened, resulting to increase the radiation gain of the proposed MLWA. For the sake of theoretical explanation, an analytical model is built up for analysis. Then, numerical investigation is executed to reveal the effect of pins position on the tuning ratio of both the EH1-mode cut-off frequencies and strip widths. After extensive analysis, a pin-loaded EH1-mode MLWA under width tuning ratio of 1.78 and periodicity of 10.0mm is designed, fabricated, and tested. Simulated and measured results both demonstrate that the radiation gain could be successfully raised up from 10.1dBi (conventional EH1-mode MLWA) to 13.1dBi (the proposed pin-loaded one) at the same operating frequency of 4.0GHz.

DOI10.1049/iet-map.2017.0459
URLView the original
Indexed BySCI
Language英语
WOS Research AreaEngineering ; Telecommunications
WOS SubjectEngineering, Electrical & Electronic ; Telecommunications
WOS IDWOS:000423723200014
PublisherINST ENGINEERING TECHNOLOGY-IET
The Source to ArticleWOS
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Citation statistics
Cited Times [WOS]:8   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Corresponding AuthorZhu, Lei
AffiliationDepartment of Electrical and Computer Engineering, Faculty of Science and Technology, University of Macau, Macau, People's Republic of China
First Author AffilicationFaculty of Science and Technology
Corresponding Author AffilicationFaculty of Science and Technology
Recommended Citation
GB/T 7714
Xie, Danpeng,Zhu, Lei,Zhang, Xiao,et al. Gain-enhanced EH1-mode microstrip leakywave antenna with periodical loading of shorting pins[J]. IET MICROWAVES ANTENNAS & PROPAGATION,2018,12(2):230-236.
APA Xie, Danpeng,Zhu, Lei,Zhang, Xiao,&Liu, Neng-Wu.(2018).Gain-enhanced EH1-mode microstrip leakywave antenna with periodical loading of shorting pins.IET MICROWAVES ANTENNAS & PROPAGATION,12(2),230-236.
MLA Xie, Danpeng,et al."Gain-enhanced EH1-mode microstrip leakywave antenna with periodical loading of shorting pins".IET MICROWAVES ANTENNAS & PROPAGATION 12.2(2018):230-236.
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