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Embedded Dual band Cylindrical Dielectric Resonator Antenna
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International Journal of Communications, Network and System Sciences·Volume 04 (2011)·Pages 656–661·Published 12 October 2011·DOI10.4236/ijcns.2011.410080
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Abstract
<i>A</i> compact dual band antenna made of high dielectric constant substrate is studied. Embedding a higher dielectric cylindrical inside the substrate host cylindrical enhances the dual band behaviour. The first part displays the characteristics of single CRDA as return loss, bandwidth and radiation pattern, then, the second part describes the aim of using an antenna, composed by the arrangement of two cylindrical resonators in which the smallest is inserted in the largest, to lead dual-frequency behaviour, and achieve a dual-band antenna. The proposed antennas are investigated using Finite Element Method (FEM), the impedance matching dual band definition and covers the Ultra High Frequency band (UHF).
KeywordsDual Band AntennaBandwidthReturn LossUHFDCS
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