Miniaturized CPW-fed slot antenna using stepped impedance resonator
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A compact CPW-fed stepped impedance resonator (SIR) slot dipole antenna has been investigated. Transmission-line equations together with full-wave analysis are used to analyze and design this antenna. The proposed antenna shows a 3.6% bandwidth of greater than 10 dB return loss at the center frequency of 3.86 GHz. Compared with the CPW-fed uniform impedance resonator (UIR) antenna, the proposed antenna shows a 31% length reduction.
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