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A Compact Disc UltrawideBand (UWB) Antenna With Quintuple Band Rejections

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4 Author(s)
Jie Xu ; Sch. of Inf. Sci. & Eng., Yunnan Univ., Kunming, China ; Dongya Shen ; Xiupu Zhang ; Ke Wu

A compact disc ultrawideband (UWB) antenna with quintuple band rejections is proposed and demonstrated, which has a portrait shape and is therefore “portrait antenna.” The quintuple band-notched functions are achieved by utilizing C-shaped slots, nested C-shaped slots, U-shaped slots, and open-circuit stubs. It is demonstrated that the portrait antenna operating from 2.45 to 12 GHz (VSWR <; 2) has omnidirectional radiation patterns with a gain greater than 2 dBi, and also five stopbands (VSWR >; 2) of 3.27-3.57, 5.01-5.45, 5.55-6.05, 7.05-7.45 and 7.83-8.19 GHz are implemented simultaneously for rejecting WiMAX, WLAN, downlink of X-band satellite communication, and ITU 8-GHz band signals. Moreover, the antenna has a simple structure and a compact size.

Published in:

Antennas and Wireless Propagation Letters, IEEE  (Volume:11 )