Small-Size Multiresonant Octaband Antenna for LTE/WWAN Smartphone Applications

被引：37
作者：
Ban, Yong-Ling [1 ,2 ]
Liu, Cheng-Li [1 ,2 ]
Chen, Zhi [3 ]
Li, Joshua Le-Wei [1 ,2 ,4 ,5 ]
Kang, Kai [1 ,2 ]
机构：
[1] Univ Elect Sci & Technol China UESTC, Inst Electromagnet, Chengdu 611731, Peoples R China
[2] Univ Elect Sci & Technol China UESTC, Sch Elect Engn, Chengdu 611731, Peoples R China
[3] Univ Elect Sci & Technol China UESTC, Natl Key Lab Sci & Technol Commun, Chengdu 611731, Peoples R China
[4] Monash Univ, Selangor 46150, Malaysia
[5] Monash Univ, Sch Engn, Dept Elect & Comp Syst Engn, Clayton, Vic 3800, Australia
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2014年 / 13卷
关键词：
Bandstop matching circuit; LTE/WWAN operation; mobile phone antenna; WIDE-BAND MONOPOLE; BANDWIDTH ENHANCEMENT; SHORTED STRIP; MOBILE; OPERATION;
D O I：
10.1109/LAWP.2014.2313353
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 compact multiresonant antenna for octaband LTE/WWAN operation in the internal smartphone applications is proposed and discussed in this letter. With a small volume of 15 x 25 x 4 mm(3), the presented antenna comprises two direct feeding strips and a chip-inductor-loaded two-branch shorted strip. The two direct feeding strips can provide two resonant modes at around 1750 and 2650 MHz, and the two-branch shorted strip can generate a double-resonance mode at about 725 and 812 MHz. Moreover, a three-element bandstop matching circuit is designed to generate an additional resonance for bandwidth enhancement of the lower band. Ultimately, up to five resonances are achieved to cover the desired 704-960- and 1710-2690-MHz bands. Simulated and measured results are presented to demonstrate the validity of the proposed antenna.
引用
收藏
页码：619 / 622
页数：4
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