Abstract
A low-cost, wideband, flexible antenna for radio frequency identification tags mountable on curved metal surfaces is presented. The antenna consists of a label-type patch adhering to a flexible polyvinyl chloride substrate. A novel balanced feed method using two orthogonal slits on the patch is proposed to perform simple and wideband impedance matching between the antenna and a tag chip. A prototype antenna was fabricated and tested with a commercial tag chip. It has a 3dB return loss bandwidth of 70MHz and a uniform read range of over 9.7m in the 902-928MHz range when it is mounted on a cylindrical metal plate with a radius of curvature of 150mm.
| Original language | English |
|---|---|
| Pages (from-to) | 749-750 |
| Number of pages | 2 |
| Journal | Electronics Letters |
| Volume | 48 |
| Issue number | 13 |
| DOIs | |
| State | Published - 2012.06.21 |
Quacquarelli Symonds(QS) Subject Topics
- Engineering - Electrical & Electronic
- Engineering - Petroleum
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