Small-size reconfigurable antenna for WWAN/LTE/GNSS smartphone applications

被引：17
|
作者：
Xu, Yuan [1 ]
Liang, Yan-Wu [1 ]
Zhou, Hao-Miao [1 ]
机构：
[1] China Jiliang Univ, Coll Informat Engn, Hangzhou 310018, Zhejiang, Peoples R China
来源：
IET MICROWAVES ANTENNAS & PROPAGATION | 2017年 / 11卷 / 06期
基金：
中国国家自然科学基金;
关键词：
smart phones; antenna feeds; satellite navigation; Long Term Evolution; wide area networks; p-i-n diodes; UHF antennas; multifrequency antennas; loop antennas; mobile antennas; mobile terminal equipment; GLONASS; GPS; GALILEO; COMPASS; positioning systems; loop antenna; GSM1800; 1900-UMTS2100-LTE2300; 2500; bands; GSM850; 900; coupled-fed antenna; encircled T-shaped parasitic shorted strip; T-shaped feeding strip; global navigation satellite system; PIN diode; small-size reconfigurable smartphone antenna; WWAN-LTE-GNSS smartphone applications; PIN-DIODE; MOBILE; DESIGN;
D O I：
10.1049/iet-map.2015.0722
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A small-size reconfigurable smartphone antenna using a PIN diode for WWAN/LTE and global navigation satellite system (GNSS) smartphone application is presented. When the diode is in OFF' state, a T-shaped feeding strip and an encircled T-shaped parasitic shorted strip formed a coupled-fed antenna, which achieves a low-wideband covering GSM850/900 bands and a high-wideband covering GSM1800/1900/UMTS2100/LTE2300/2500 bands. When the diode is in ON' state, a loop antenna working at 1/2 wavelengths is formed to cover the bands of GNSS, which includes four positioning systems (COMPASS, GALILEO, GPS and GLONASS). In addition, the proposed antenna is easily printed on a small ground clearance of 375mm(2) without loading any lumped element. Also, the proposed simple and compact antenna is convenient to be optimised for desired bands. Finally, the good agreement of simulated and experimental results proves that the proposed antenna is suitable for practical mobile terminal equipment.
引用
收藏
页码：923 / 928
页数：6
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