| Design of CPW-Fed Small Multi-Band Antenna by Using Band Rejection Semicircle Slot |
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Xiao Li, Seung-Woo Lee, Nam Kim, Chul-Ho Kim |
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Information and Communication Engineering, Chungbuk National University |
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| Abstract |
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This paper presents a CPW-fed antenna with three slots. The proposed antenna can operate at 1.9~2.1 GHz and 2.9~3.3 GHz which are generated by the two rectangular slots, and 4.5~11.6 GHz which is generated by the main patch. The semicircle-slot is used as a band-notched filter to stop at a desired band (5.150~5.825 GHz) limited by IEEE 802.11a or HIPERLAN/2 applications. The currents concentrate around corresponding slots at the desired band. The proposed antenna is very small in size, with overall dimensions of $27{times}32{times}1;mm^3$ etched onto an FR4-printed circuit board (PCB). |
| Key words:
CPW-Fed, Band-Notched, UWB, WLAN |
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