Abstract

A novel compact ultra wideband(UWB) antenna for UWB application is proposed in this paper. The proposed antenna with 22 ㎜ × 26 ㎜ × 1.6 ㎜ covers the entire UWB bandwidth and has band notch characteristic for the frequency band of 5.15 ~ 5.825 ㎓ limited by WLAN. The antenna has a concaved ground plane and staircase shape patch to achieve the wide bandwidth, and has an U shape slot with λ/4 length to notch the band. The return loss and group delay of the proposed antenna are measured.

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