Dual-band on-/off-body reconfigurable antenna for wireless body area network (WBAN) applications

被引：12
作者：
Tong, Xuanfeng [1 ]
Liu, Changrong [1 ]
Liu, Xueguan [1 ]
Guo, Huiping [1 ]
Yang, Xinmi [1 ,2 ]
机构：
[1] Soochow Univ, Sch Elect & Informat Engn, Nanjing 215006, Jiangsu, Peoples R China
[2] State Key Lab Millimeter Waves, Kowloon 210096, Hong Kong, Peoples R China
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2018年 / 60卷 / 04期
关键词：
bias tee; dual band antenna; on-; off-body communication; PIN diode; reconfigurable antenna; SAR; WBAN; CENTRIC COMMUNICATIONS; PATCH ANTENNA; LOW-PROFILE; DESIGN;
D O I：
10.1002/mop.31088
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 dual-band dual-mode reconfigurable antenna for on-body and off-body communication is presented. The antenna is operating at Industrial, Scientific, and Medical band, specifically, on-body mode at 2.45 GHz band and off-body mode at 5.8 GHz band. Ring slot is etched on the circular patch to form the off-body mode with almost no influence on the on-body mode. Three PIN diodes are utilized to act as switches between on-body and off-body modes. The total size of the antenna is x 24(2) x 1.6 mm(3). The antenna was fabricated to validate the simulation results. The antenna was measured on pork, measured results agree well with the simulated ones. The maximum measured gain of on-body mode and off-body mode are 0.36 dBi and 5.06 dBi, respectively. Specific absorption rate (SAR) value is less than 1.6 W/kg when the input power below 19.5 dBm which is enough for WBAN applications.
引用
收藏
页码：945 / 951
页数：7
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