Abstract

A compact triple-band dual-polarized slot antenna is proposed for WLAN / WiMAX applications. A rectangular slot loop along with inverted L-shaped and C-shaped slots are introduced for achieving triple-band characteristics. By changing the slot-locations, CP behaviour is obtained at the highest operating frequency. The proposed antenna has good impedance bandwidth, compact size (0.248λ 0 × 0.248λ 0 , with λ 0 being the free-space wave length at 2.4 GHz) and reasonably high gain in the desired operating bands.

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