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Investigation of Radiation Characteristics of a PIFA-Based Semi-Populated Handset Model for LTE B13

机译:LTE B13辐射特征对LTE B13的辐射特性

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This paper discusses the effects of internal components on the radiation characteristics of two antennas in a semi-populated model of a mobile handset operating at LTE Band-13 (746-787) MHz. The antennas are both PIFAs that are designed to work at the uplink and downlink bands. The mobile handset is first simulated as a simple box made of printed circuit boards containing the two PIFAs only. Next, models of a battery and LCD screen are included. This addition of the semi-populated environment degrades the radiation efficiency of the two antenna system by 11%. The mutual coupling is also noted to decrease by 0.7 dB. Simulations of the antenna system with different feeding phase reveal that with the proper phase difference a significant increase in the antenna efficiency can be achieved.
机译:本文讨论了内部部件对在LTE Band-13(746-787)MHz的移动手机的半填充模型中的两个天线辐射特性的影响。天线是旨在在上行链路和下行链路频带工作的PIFA。首先将移动手机模拟为由包含两个PIFA的印刷电路板制成的简单盒子。接下来,包括电池和LCD屏幕的型号。这种添加半人口稠密的环境将两个天线系统的辐射效率降低了11%。还注意到相互耦合减小0.7dB。具有不同馈电阶段的天线系统的模拟表明,通过适当的相位差可以实现天线效率的显着增加。

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