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http://dx.doi.org/10.5515/KJKIEES.2010.21.2.152

Design of Cavity-Backed High Gain Dual Band Microstrip Antenna Using Frequency Selective Surface  

Kim, Byoung-Chul (School of Electrical and Computer Engineering, Ajou University)
Choo, Ho-Sung (School of Electronics and Electrical Engineering, Hongik University)
Park, Ik-Mo (School of Electrical and Computer Engineering, Ajou University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.21, no.2, 2010 , pp. 152-163 More about this Journal
Abstract
In this paper, a cavity-backed high gain dual band microstrip antenna with Frequency Selective Surface space(FSS) for WLAN is proposed. The proposed antenna that operates in IEEE 802.11a/b bands with similar radiation pattern and gain is fabricated on RO4003 substrate with a dielectric constant of 3.38. The size of the antenna is $71.5{\times}42.0{\times}6.6\;mm^3$, and the FSS size is $120.0{\times}120.02\;mm^3$. The ground plane size including cavity is $150.0{\times}145.0\;mm^3$. The antenna is fed by coaxial cable. The simulated bandwidths of the antenna are 2.369~2.517 GHz and 5.608~5.833 GHz for VSWR<2. The gains are 11.23 dBi and 12.60 dBi, respectively, for the lower and upper bands.
Keywords
Satellite Internet Service; WLAN; Dual Band Antenna; Microstrip Antenna; Frequency Selective Surface; Particle Swarm Optimization;
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