Journal
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS
Volume 11, Issue -, Pages 1482-1485Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LAWP.2012.2231393
Keywords
Conductive thread; sewed tag antenna; wearable radio frequency identification (RFID); wearable tag antenna
Funding
- Academy of Finland [258460]
- Centennial Foundation of Finnish Technology Industries
- TUT Foundation
- Finnish Funding Agency for Technology and Innovation (TEKES)
- Academy of Finland (AKA) [258460, 258460] Funding Source: Academy of Finland (AKA)
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Embroidered tag antennas can be used in on-body applications, such as access control, human monitoring, and sensor tag antennas. The objective of this letter is to investigate the performance of dipole-type tag antennas sewed with different thread densities and with two different sewing patterns. This letter shows that the performance of sewed dipole-type tag antennas improves if the sewing pattern consists of sewed lines along the direction of current flow in the antenna. The sewed simple dipole, which consists of sewed lines along the length of the dipole, achieved up to 7.5 m read range in free space, which is comparable to the performance of the corresponding copper dipole.
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