Switchable Multiband Monopole CRLH Antenna
Keywords:
CRLH, metamaterials, monopole antenna, multiband, switchableAbstract
In this paper, a switchable multiband monopole composite right/left-handed (CRLH) antenna is designed, fabricated and measured. The structure consists of a monopole loaded with three CRLH unit cells. By incorporating the three unit cells it aids in generating multiband frequencies. The switchable antenna is developed by placing the pin diodes which enables the simultaneous operation of unit cells. A detailed parametric study is done to investigate the influence and the effect of CRLH cells dimensions. The simulation and measured results are in good agreement. The results show multiple bands from 1-4 GHz. The measured maximum gain of antenna is 3.13 dBi.
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