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Dual-frequency dual-polarization antenna of high isolation with embedded mushroom-like EBG cells SCIE SCOPUS

Title
Dual-frequency dual-polarization antenna of high isolation with embedded mushroom-like EBG cells
Authors
Lee, DHKim, JHJang, JHPark, WS
Date Issued
2007-07
Publisher
JOHN WILEY & SONS INC
Abstract
A dual-frequency dual-polarization (DFDP) antenna of high isolation between two ports with embedded 2 x 1 mushroom-like electromagnetic bandgap (EBG) cells is presented. The equivalent circuit of a suspended microstrip line over 2 x 1 EBG cells is introduced. The numerical analysis from the equivalent circuit and measured results show that the microstrip line with embedded EBG cells has a distinctive and sharp rejection band that provides near 0 dB insertion loss outside the rejection band. By embedding the EBG cells tinder feedlines of a DFDP antenna, the isolation between two ports of the proposed antenna is enhanced by more than 20 dB, when compared with that of a conventional DFDP antenna. The proposed DFDP antenna is fabricated and measured. The simulated and measured results show a good agreement.
Keywords
dual-frequency dual-polarization (DFDP) antenna; electromagnetic bandgap (EBG); isolation enhancement; MICROSTRIP ANTENNA
URI
https://oasis.postech.ac.kr/handle/2014.oak/23383
DOI
10.1002/MOP.22513
ISSN
0895-2477
Article Type
Article
Citation
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, vol. 49, no. 7, page. 1764 - 1768, 2007-07
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박위상PARK, WEE SANG
Dept of Electrical Enginrg
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