A Novel Multi-Band Integrated Antenna Design in 5G Full Screen Mobile Phone

2022 6th International Conference on Communication and Information Systems (ICCIS) Pub Date : 2022-10-14 DOI:10.1109/ICCIS56375.2022.9998167

Longjie Yu, Xinrong An

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Abstract

A multi band integrated antenna scheme for the fifth generation (5G) mobile phone is proposed, that is, one antenna integrates five bands, namely Global Positioning System (GPS) Level 1 (L1), GPS Level 5 (L5), Wi-Fi 2.4G, Wi-Fi 5G and Long Term Evolution (LTE) band 32, the antenna volume for the whole mobile phone is effectively saved. This five-in-one antenna is located in the upper left corner of the back of the mobile phone, the upper clearance and side clearance of mobile phone are 1mm and 0.2mm respectively. The size of five-in-one antenna is 38.5mm by 26mm. The form of five-in-one antenna is combining inverted F antenna (IFA) and parasitism. This antenna is radiated by metal frame and laser direct structring (LDS), measurement results show that, passive efficiency in free space of GPS L1, GPS L5, Wi-Fi 2.4G, Wi-Fi 5G and LTE Band 32 could reach -4.5dB, -8.5dB, -6dB, -4.5dB, -6.5dB respectively, also the specific absorption rate (SAR) value of the transmission band is lower than Federal Communications Commission (FCC) specification. A mobile phone equipped with this five-in-one antenna has been commercially shipped.

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5G全面屏手机多波段集成天线设计

提出了一种面向第五代(5G)手机的多频段集成天线方案，即一根天线集成了全球定位系统(GPS) Level 1 (L1)、GPS Level 5 (L5)、Wi-Fi 2.4G、Wi-Fi 5G和LTE频段32五个频段，有效节省了整部手机的天线体积。该五合一天线位于手机背面左上角，手机的上间隙为1mm，侧间隙为0.2mm。五合一天线的尺寸为38.5mm × 26mm。五合一天线的形式是将倒F天线(IFA)与寄生相结合。该天线采用金属框架和激光直接结构(LDS)进行辐射，测量结果表明，GPS L1、GPS L5、Wi-Fi 2.4G、Wi-Fi 5G和LTE Band 32在自由空间的无源效率分别可达到-4.5dB、-8.5dB、-6dB、-4.5dB、-6.5dB，且传输频段的比吸收率(SAR)值低于美国联邦通信委员会(FCC)规范。配备这种五合一天线的手机已经商业化。

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2022 6th International Conference on Communication and Information Systems (ICCIS)

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