RFID antenna humidity sensor co-design for USN applications

被引：5
|
作者：
Amin, Yasar [1 ]
Feng, Yi [1 ]
Chen, Qiang [1 ]
Zheng, Li-Rong [1 ]
Tenhunen, Hannu [1 ]
机构：
[1] Royal Inst Technol KTH, iPack VINN Excellence Ctr, SE-16440 Stockholm, Sweden
来源：
IEICE ELECTRONICS EXPRESS | 2013年 / 10卷 / 04期
关键词：
RFID antenna; humidity sensor; sensor calibration; inkjet printing; flexible electronics;
D O I：
10.1587/elex.10.20130003
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：
We demonstrate for the first time an RFID tag antenna which itself is humidity sensor and also provides calibration functionality. The antenna is comprised of T-matching network and horizontally meandered lines for impedance matching and reliable near-field communication. The novel contour design provides humidity sensing, and calibration functions whilst concurrently acts as a radiating element along with quadrangular capacitive tip-loading with covered middle portion for far-field communication. The inkjet printed prototypes of the antenna provide effective ambient humidity sensing while demonstrating stable RFID communication. The antenna has a compact size of 1.1 x 10.2 cm for 902-928MHz band.
引用
收藏
页数：6
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