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针对移动终端内置天线的高性能结构、小型化、多波段等技术,综合给出了近年来各种移动终端内置天线的主要研究方向及其应用特点,分析了天线结构、组合方法、带宽增强、加载等影响高性能内置天线的关键技术.基于移动终端天线的研制结果,给出了小型、多波段和高性能终端内置天线所面临的难点和解决问题的有效方法.研究结果表明,虽然先进的加工工艺推动了小型化2~3波段天线的可实现性,但3个波段以上内置天线的设计将主要依赖天线组合技术.可以预见,先进的终端天线技术将促进移动终端的广泛应用,以满足无缝、泛在无线移动通信网络发展的需要.
In view of the high performance structure, miniaturization and multi-band technology of the built-in antenna of the mobile terminal, the main research directions and application characteristics of the built-in antennas for various mobile terminals in recent years are given comprehensively. The antenna structure, the combination method, the bandwidth enhancement, Loading and other key technologies that affect high-performance built-in antennas.Based on the research results of mobile terminal antennas, the difficulties and solutions to the problems of small antennas, multi-band antennas and high-performance antennas are given.The results show that although advanced The fabrication process has driven the realization of miniaturized 2- to 3-band antennas, but the design of built-in antennas over 3 bands will rely mainly on antenna assembly technology.It is foreseeable that advanced terminal antenna technology will facilitate the widespread use of mobile terminals to meet Seamless, ubiquitous wireless mobile communication network development needs.