SEVEN-BAND FOLDED-LOOP CHIP ANTENNA FOR WWAN/WLAN/WiMAX OPERATION IN THE MOBILE PHONE

被引:17
作者
Hsu, Ming-Ren [1 ]
Wong, Kin-Lu [1 ]
机构
[1] Natl Sun Yat Sen Univ, Dept Elect Engn, Kaohsiung 804, Taiwan
关键词
chip antennas; internal mobile phone antennas; loop antennas; seven-band operation; multiband operation; HANDSET APPLICATIONS; BAND OPERATION; PATCH ANTENNA; SLOT ANTENNA; PDA PHONE;
D O I
10.1002/mop.24063
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 chip antenna formed by using an FR4 chip base (aid a folded-loop metal pattern embedded therein for internal mobile phone antenna application is presented. The folded-loop metal pattern is embedded in two different layers inside the FR4 chip base to achieve a compact structure, and a coupling gap is introduced to successfully excite two wide operating bands at about 900 and 2000 MHz to cover, GSM850/900/1800/1900/UMTS, 2.4-GHz WLAN, and 2.5-GHz WiMAX operations; that is, a seven-band internal mobile phone antenna for covering WWAN/WLAN/WiMAX operation is obtained. The proposed chip antenna also occupies a small volume of 4 X 5 X 40 mm(3) (0.8 cm(3)) and shows a low profile of 5 mm when mounted oil the system circuit board of the mobile phone, making it suitable for thin mobile phone applications. The proposed chip antenna is studied and tested. The SAR effect of the antenna is also analyzed in the study. (C) 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 543-549, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24063
引用
收藏
页码:543 / 549
页数:7
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