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Low SAR reconfigurable multiband planar inverted-F antenna for wireless communication applications

机译:用于无线通信应用的低SAR可重构多频带平面倒F天线

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A low specific absorption rate (SAR) reconfigurable multiband coplanar waveguide fed planar inverted-F antenna (PIFA) is presented in this paper. Different numbers of meander-turn-shaped slots are etched on the PIFA radiating plate to excite new resonant frequencies. Extra resonant frequencies are created by increasing the number of meander-turn-shaped slots for different wireless communication applications. A new independent resonant frequency is created by etching a coupled slot within the ground plane for the upper WLAN. A PIN diode switch is used to reconfigure the fundamental resonant frequency from the LTE band 11 to band 8 with a total of 63% size reduction compared with the original PIFA size. Furthermore, the SAR in the human head is investigated using the Hugo voxel model in CST Microwave Studio. The volume of the antenna is 22 × 30 mm~2 over a 35 × 50 mm~2 ground plane, which is suitable for handheld devices.
机译:本文提出了一种低比吸收率(SAR)可重构多频带共面波导馈电平面倒F天线(PIFA)。在PIFA辐射板上蚀刻出不同数量的曲折形槽,以激发新的谐振频率。通过增加用于不同无线通信应用的曲折形槽的数量,可以创建额外的谐振频率。通过为上层WLAN蚀刻接地平面内的耦合槽来创建新的独立谐振频率。 PIN二极管开关用于重新配置从LTE频段11到频段8的基本谐振频率,与原始PIFA尺寸相比,尺寸减小了63%。此外,使用CST Microwave Studio中的Hugo体素模型研究了人头的SAR。天线的体积在35×50 mm〜2的地平面上为22×30 mm〜2,适用于手持设备。

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