用于WLAN/WiMAX操作的宽带三频带cpw馈电贴片天线

2015 International Conference on Wireless Networks and Mobile Communications (WINCOM) Pub Date : 2015-10-01 DOI:10.1109/WINCOM.2015.7381333

Ahmed Zakaria Manouare, A. Idrissi, A. Ghammaz, S. Ibnyaich

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引用次数: 5

摘要

为了同时满足无线局域网(WLAN)和微波接入(WiMAX)应用的全球互操作性，提出了一种共面波导(CPW)馈电结构的三频贴片天线。该天线主要由三个辐射单元组成:Stub1、Stub2和Stub3，并带有缺陷地平面用于波段展宽。通过调整三个短桩的长度，可以实现三个谐振频率，并分别调节。模拟回波损耗10db带宽范围为2.07 ~ 2.73 GHz、2.89 ~ 4.35 GHz和4.6 ~ 7.06 GHz，覆盖了2.4/5.2/5.8 GHz WLAN频段和2.5/3.5/5.5 GHz WiMAX频段。此外，贴片天线具有简单的平面结构，尺寸较小，约为20×37 mm2;包括有限接地CPW进给机构。在工作波段上获得了良好的类偶极子辐射特性。

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Broadband triple-band CPW-fed patch antenna for WLAN/WiMAX operations

A triple-frequency patch antenna with coplanar waveguide (CPW)-fed structure is presented in this paper for simultaneously satisfying wireless local area network (WLAN) and worldwide interoperability for microwave access (WiMAX) applications. The proposed antenna mainly consists by three radiating elements: Stub1, Stub2 and Stub3 with a defected ground plane for band broadening. By adjusting the lengths of the three Stubs, three resonant frequencies can be achieved and adjusted separately. The simulated 10 dB bandwidth for return loss is from 2.07 to 2.73 GHz, 2.89 to 4.35 GHz and 4.6 to 7.06 GHz, covering all the 2.4/5.2/5.8 GHz WLAN bands and 2.5/3.5/5.5 GHz WiMAX bands. Furthermore, the patch antenna has a simple planar structure and occupies a small size of about 20×37 mm2; including the finite ground CPW feeding mechanism. Good dipole-like radiation characteristics over the operating bands are obtained.

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2015 International Conference on Wireless Networks and Mobile Communications (WINCOM)

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