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A Compact Internal Planar Antenna with a Capacitive Tuner for 3G and 4G Mobile Phone Application

机译:带有电容调谐器的紧凑型内部平面天线,适用于3G和4G手机应用

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摘要

A high performance planar antenna with a capacitive tuner as the radiator for 4G operation in the mobile phone is presented. A prototype of the proposed planar antenna with a compact area size of 60mm× 13mm × 5mm is implemented, and the antenna shows a wide operating bandwidth of about 295MHz and 490MHz for low band and high band bandwidth respectively, making it easy to cover the LTE, GSM, CDMA, and UMTS bands for wireless communication and make 3G/4G dual modes operation of a mobile handset phone. The study mainly focuses on the current trends in development of compact and low profile multi-media PDA and Smart mobile phone and provides a planar antenna design suitable for application in 4G wireless communicating systems in the future. The proposed antenna is easily fabricated by the flexible planar antenna at low cost and embedded into the mobile phone. A 50 ohms microstrip line is used to excite the planar antenna. The measured and simulated data including return loss, antenna gain and radiation patterns are presented.
机译:提出了一种具有电容性调谐器的高性能平面天线,作为移动电话中4G操作的辐射源。实现了所建议的平面天线的原型,该天线的紧凑型尺寸为60mm×13mm×5mm,该天线在低频带和高频带带宽下分别显示约295MHz和490MHz的宽工作带宽,从而易于覆盖LTE。 ,GSM,CDMA和UMTS频段进行无线通信,并使手机的3G / 4G双模运行成为可能。该研究主要关注紧凑型和薄型多媒体PDA和智能手机的当前发展趋势,并提供了适合将来在4G无线通信系统中应用的平面天线设计。所提出的天线可以容易地由柔性平面天线以低成本制造并嵌入到移动电话中。使用一条50欧姆的微带线来激励平面天线。给出了测量和仿真数据,包括回波损耗,天线增益和辐射方向图。

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