volume | PIER Journals

2011-08-07

A CPW-Fed UWB Antenna with WiMAX/WLAN Band-Notched Characteristics

Han Chen,

Dr. Han Chen

Xidian University

China

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Yang Ding,

Dr. Yang Ding

Xidian University

China

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De Shui Cai

Dr. De Shui Cai

Xidian University

China

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Progress In Electromagnetics Research Letters, Vol. 25, 163-173, 2011

doi:10.2528/PIERL11062707 | Google Scholar

Abstract

A CPW-fed UWB antenna with WiMAX and WLAN band-notched characteristics is presented in this paper. The proposed antenna is fed by a CPW structure and provides the band-notched characteristics by etching an arc slot on the monopole plate and integrating the antenna with electromagnetically coupled microstrip resonator into a single module. In order to prevent interference problem due to existing nearby communication systems within the UWB operating frequency, the two band-notches are designed to reject possible interference with the existing 3.25-3.75 GHz band for IEEES02.16 WiMAX and 5.15-5.825 GHz band for IEEES02.11a WLAN and HIPERLAN/2 WLAN The two notched bands can easily be controlled by a few geometry parameters of the arc slot and the microstrip resonator. Surface current distributions and conceptual equivalent-circuit models are used to analyze the effect of the slot and the resonator. The proposed antenna is simulated and fabricated. Moreover, the performances of the antenna are demonstrated along with simulated and measured results.

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Han Chen, Yang Ding, and De Shui Cai, "A CPW-Fed UWB Antenna with WiMAX/WLAN Band-Notched Characteristics," Progress In Electromagnetics Research Letters, Vol. 25, 163-173, 2011.
doi:10.2528/PIERL11062707

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