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Compact Dual-band CPW-fed Slot Antenna Using Split-Ring Resonator
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 Title & Authors
Compact Dual-band CPW-fed Slot Antenna Using Split-Ring Resonator
Yeo, Junho; Park, Jin-Taek; Lee, Jong-Ig;
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In this paper, a design method for a compact dual-band coplanar waveguide-fed slot antenna using SRR(split-ring resonator) conductor is studied. The SRR conductor is loaded inside a rectangular slot of the proposed antenna for dual-band operation. When the SRR conductor is inserted into the slot, the original rectangular slot is divided into a rectangular loop region and a rectangular slot region, and frequency bands are created by the loop and slot, separately. A prototype of the proposed dual-band slot antenna operating at 2.45 GHz WLAN band and 3.40-5.35 GHz band is fabricated on an FR4 substrate with a dimension of 30 mm by 30 mm. Experiment results show that the antenna has a desired impedance characteristic with a frequency band of 2.38-2.51 GHz and 3.32-5.38 GHz for a voltage standing wave < 2, and measured gain is 1.7 dBi at 2.45 GHz, and it ranges 2.4-3.2 dBi in the second band.
slot antenna;dual-band antenna;split-ring resonator(SRR);CPW-fed;wireless local area network(WLAN);
 Cited by
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