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基于目前无线通信系统快速发展的背景针对下一代智能手机终端天线小型化、高性能、多频带发展的迫切需求,以复合左右手传输线理论为基础,设计了一款覆盖LTE频段的新型智能手机终端天线.通过应用零阶谐振原理在天线设计中加载等效左手电容、左手电感结构和引入地回路电流的方法,实现了天线的小型化、高性能设计.该天线工作频带覆盖LTE747/GSM850/900/DCS1800/PCS1900/UMTS/LTE2300/2600,具有较好的辐射特性、较高的辐射效率和增益,能够满足LTE智能移动终端的设计要求.本文对该天线的工作特性给出了详细分析,同时进行了加工测量.实测结果显示,加工的天线与仿真结果吻合,该零阶谐振超材料天线具有小型化和高性能的优点.
Based on the rapid development of the current wireless communication system background for the next generation of smart phone terminal antenna miniaturization, high performance, multi-band development of the urgent need to composite left-right transmission line theory, based on the design of a LTE coverage of new smart phone terminal antenna The miniaturization and high performance design of the antenna are realized by applying the zero-order resonance principle to the antenna design by loading the equivalent left-hand capacitor, the left-handed inductor structure and the ground return loop current.The antenna operates in the frequency band covering LTE747 / GSM850 / 900 / DCS1800 / PCS1900 / UMTS / LTE2300 / 2600, with good radiation characteristics, high radiation efficiency and gain, to meet the design requirements of LTE smart mobile terminal.This paper gives a detailed analysis of the antenna operating characteristics at the same time The measurement results show that the processing antenna is consistent with the simulation results, and the zero-order resonant metamaterial antenna has the advantages of miniaturization and high performance.