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A Study on the Bandwidth Enhancement of a Microstrip Surface Wave Antenna With a Monopole Like Pattern  

Jang, Jae-Sam (Dept. of Electronic Engineering, Gyeongsang National University)
Jung, Young-Ho (Dept. of Electronic Engineering, Gyeongsang National University)
Lee, Ho-Sang (Dept. of Electronic Engineering, Gyeongsang National University)
Jo, Dong-Ki (Dept. of Electronic Engineering, Gyeongsang National University)
Park, Seong-Bae (Dept. of Electronic Engineering, Gyeongsang National University)
Kim, Cheol-Bok (Dept. of Electronic Engineering, Gyeongsang National University)
Lee, Mun-Soo (Engineering Research Institute, Gyeongsang National University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea TC / v.45, no.12, 2008 , pp. 139-145 More about this Journal
Abstract
In this paper, a microstrip surface wave antenna(SWA) with a frequency selective surface structure(FSS) is designed and measured. A microstrip SWA has many advantages such as low profile, low weight, easy fabrication, and compatibility with monolithic microwave integrated circuits(MMIC). In addition, it has demonstrated monopole like beam patterns. The microstrip SWA consists of two parts : a center-fed modified microstrip patch to excite surface wave, and a periodic patches to support the propagation of the surface waves. To obtain wide bandwidth, the ring type parasitic element is inserted and the circular patch is selected for the unit element in FSS structure. Experimental results show that the microstrip SWA has monopole like beam patterns at 5.9GHz. Impedance bandwidth and gain is 12% and 5.6dBi.
Keywords
Surface wave antenna(SWA); Frequency selective surface(FSS); Antenna;
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Times Cited By KSCI : 1  (Citation Analysis)
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