Metallic short backfire antenna with halved size and wideband characteristics

A short backfire antenna is proposed for 5.2/5.8 GHz wireless local area network (WLAN) applications. Wideband impedance matching is achieved by employing a truncated monopole as the exciter. Moreover, power-handling capability could be enhanced by the all-metallic configuration. The proposed antenna with halved size has two configurations when placed on a ground plane to meet the demands for different applications.

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