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A dual-band circularly polarized planar monopole antenna for Wireless Local Area Network/Worldwide Interoperability for Microwave Access applications

机译:用于无线局域网/全球微波访问应用的全球互操作性的双频带圆偏振平面单极天线

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摘要

In this letter, a new dual-band circularly polarized (CP) planar monopole antenna is proposed. Simply by embedding an asymmetrical T-shaped strip into the arc-shaped feedline, dual-band operation and CP radiation can be obtained. Furthermore, adding an inverted-L-shaped strip to the previous designing, the axial ratio bandwidths (ARBWs) can be greatly improved. After fabricating and then testing, the measured results indicate that the impedance bandwidths (IBWs) below 10-dB can reach 240 MHz (2.39-2.63 GHz) and 2.73 GHz (3.85-6.58 GHz), and the 3-dB ARBW can cover 260 MHz (2.26-2.52 GHz) and 2.48 GHz (3.9-6.38 GHz). The designed antenna can be applied to the WLAN (2.4/5.2/5.8-GHz) and WiMax (5.5 GHz) multi-function and multi-mode communication systems felicitously.
机译:在这封信中,提出了一种新的双频圆偏振(CP)平面单极天线。 只需将不对称的T形条带嵌入到弧形的馈线中,可以获得双频带操作和CP辐射。 此外,可以大大提高向前设计的倒置L形条带,轴向比带宽(ARBW)。 在制造然后进行测试之后,测量结果表明,低于10-DB的阻抗带宽(IBW)可以达到240 MHz(2.39-2.63GHz)和2.73GHz(3.85-6.58 GHz),3-DB ARBW可以覆盖260 MHz(2.26-2.52 GHz)和2.48 GHz(3.9-6.38 GHz)。 设计的天线可以应用于WLAN(2.4 / 5.2 / 5.8-GHz)和WiMAX(5.5GHz)多功能和多模式通信系统。

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  • 作者单位

    Xidian Univ Sch Elect Engn Natl Key Lab Antennas &

    Microwave Technol Xian 710071 Shaanxi Peoples R China;

    Xidian Univ Sch Elect Engn Natl Key Lab Antennas &

    Microwave Technol Xian 710071 Shaanxi Peoples R China;

    Xidian Univ Sch Elect Engn Natl Key Lab Antennas &

    Microwave Technol Xian 710071 Shaanxi Peoples R China;

    Xidian Univ Sch Elect Engn Natl Key Lab Antennas &

    Microwave Technol Xian 710071 Shaanxi Peoples R China;

    Shenzhen Tojoin Commun Technol Co Ltd Shenzhen Peoples R China;

    Shenzhen Tojoin Commun Technol Co Ltd Shenzhen Peoples R China;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 光学;
  • 关键词

    circularly polarized; dual-band; planar monopole antenna;

    机译:圆极化;双频带;平面单极天线;

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