Small Wearable Antenna with Folded Ground for Body-Centric Wireless Communications

被引:2
作者
Li, Zhengyi [1 ]
Saito, Kazuyuki [1 ]
Takahashi, Masaharu [1 ]
Ito, Koichi [1 ]
机构
[1] Chiba Univ, Res Ctr Frontier Med Engn, Chiba 2638522, Japan
关键词
wearable antenna; folded ground; body-centric wireless communications; planar inverted-F antenna;
D O I
10.1587/transcom.E95.B.109
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
The miniaturization of electronic devices is leading to the creation of body-centric wireless communications, in which wireless devices are attached to human body. However, the human body environment is often uninviting for wireless signals owing to the mutual influence between the human body and wireless devices' antennas, namely wearable antennas. Therefore, wearable antennas need to be carefully designed. In this paper, a small wearable antenna with folded ground at 2.4 GHz is proposed. The folded ground has two effects: one is to improve efficiency and the other is to enhance bandwidth. When the antenna is very close to human body. it has an efficiency of 50.7% and a wide operation bandwidth of 130 MHz.
引用
收藏
页码:109 / 112
页数:4
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