A Compact Dual-Band Antenna for Wireless Body-Area Network Applications

被引：64
作者：
Zhu, Xiao-Qi [1 ,2 ]
Guo, Yong-Xin [2 ,3 ]
Wu, Wen [1 ]
机构：
[1] Nanjing Univ Sci & Technol, Nanjing 210094, Jiangsu, Peoples R China
[2] Natl Univ Singapore, Dept Elect & Comp Engn, Singapore 117576, Singapore
[3] Natl Univ Singapore, Suzhou Res Inst, Suzhou 215123, Peoples R China
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2016年 / 15卷
关键词：
Compact; dual-band; on-body performance; wireless body-area network (WBAN); PIFA;
D O I：
10.1109/LAWP.2015.2431822
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 novel compact dual-band antenna for wireless body-area network (WBAN) is presented. The miniaturization is realized by bisecting a quadrant circular microstrip antenna along the fictitious magnetic wall, while the electric field distribution at 2.45 GHz is preserved. By slitting an open-ended quarter-wavelength slot, a second resonant mode at 5.8 GHz is excited. The proposed antenna is fabricated and measured both in free space and on-body. Enhancement in bandwidth and radiation patterns is observed for on-body performance compared to that in free-space. Measured fractional bandwidths of 1.2% and 2.0% are obtained at the two bands, respectively, when the antenna is mounted on-body, along with the corresponding simulated radiation efficiency values of 60% and 76%. The robust on-body performance reveals the proposed antenna as a good candidate for low-data-rate WBAN applications.
引用
收藏
页码：98 / 101
页数：4
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