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2014-07-02

A Novel Wideband Sleeve Antenna with Capacitive Annulus for Wireless Communication Applications

By Yang Li, Zhi-Ya Zhang, Qiong-Qiong Liu, Yong-Xia Zhang, and Guang Fu
Progress In Electromagnetics Research C, Vol. 52, 1-6, 2014
doi:10.2528/PIERC14041803

Abstract

A novel wideband sleeve antenna with capacitive annulus for wireless communication applications is presented in this paper. A sleeve structure is introduced to improve the impedance bandwidth through exciting a new resonate point. By loading capacitive annulus at the center of sleeve, an impedance bandwidth enhancement is achieved at the upper frequency band. The measured impedance bandwidth for VSWR≤2 about 142.8% ranging from 1.01 to 6.06 GHz is achieved, and monopole-like radiation patterns are presented. A prototype has been fabricated and tested, and the experimental results validate the design procedure. It is sufficient for accommodating recent wireless communication services such as DCS1800, PCS1900, IMT2000, WLAN, WiMAX2350/3500, etc.

Citation


Yang Li, Zhi-Ya Zhang, Qiong-Qiong Liu, Yong-Xia Zhang, and Guang Fu, "A Novel Wideband Sleeve Antenna with Capacitive Annulus for Wireless Communication Applications," Progress In Electromagnetics Research C, Vol. 52, 1-6, 2014.
doi:10.2528/PIERC14041803
http://www.jpier.org/PIERC/pier.php?paper=14041803

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