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COMPACT CPW-FED TRI-BAND ANTENNA FOR WLAN/WIMAX APPLICATIONS

By S. S. Huang, J. Li, and J. Z. Zhao

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Abstract:
A novel CPW-fed antenna capable of triple-band operation for WLAN/WiMAX applications is presented and investigated in this paper. The proposed antenna simply consists of three elements viz. folded open stub, L-shaped open stub, and Y-shaped resonator. By using the three elements, triple-band antenna operating at 2.5/3.5/5.5 GHz can be achieved. The antenna impedance bandwidths for |S11| ≤ -10 dB are 2.39-2.69, 3.38-3.73 and 5.0-5.99 GHz, covering all the WLAN/WiMAX operation bands. The tri-band antenna has good omnidirectional radiation patterns in H-plane and moderate gains across all the operation bands with compact size of 30 × 18 mm2. Experimental results show that the antenna is successfully simulated and measured, and the tri-band antenna can be achieved by adjusting the lengths of the three elements and gives good gains across all the operation bands.

Citation:
S. S. Huang, J. Li, and J. Z. Zhao, "Compact CPW-Fed Tri-Band Antenna for WLAN/WiMAX Applications," Progress In Electromagnetics Research C, Vol. 49, 39-45, 2014.
doi:10.2528/PIERC14030501

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