paper 150330061148

Abstract

In this paper, a simple ultra-wideband antenna with tunable and high rejection band-notch characteristics is proposed on the basis of a polygon slot structure. The designated notch bands are realized by the use of an inverted V-shaped stub inserted into inside of the polygon slot and a stub integrated into the radiating patch. The flexible tunable band-notch characteristics are achieved by adjusting the dimensions of the stubs. The simulation results show that the proposed antenna can provide a wide bandwidth, a flexible tunable and high rejection band-notch characteristics, and good omnidirectional radiation patterns, making it suitable for various band-notched ultra-wideband communication applications.

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Si Li

Yingsong Li

Wenxing Li

Zhuqun Zhai