Petaloid antenna for passive UWB-RFID tags
- 1 January 2007
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 43 (22), 1174-1176
- https://doi.org/10.1049/el:20072183
Abstract
An ultra-wideband (UWB) antenna designed with a petal-shaped structure is presented. Its measured impedance bandwidth of 10 dB return loss is from 6.6 to 17.5 GHz whereas the size is just 18×16 mm. The radar cross-section and scattered waveforms of the proposed petaloid antenna are theoretically studied using the finite-difference time-domain (FDTD) method. Its backscattering of antenna mode is comparable to that of structural mode, and the scattering pattern is almost omnidirectional. This antenna is suitable for passive ultra-wideband radio-frequency identification (UWB-RFID) tag applications.Keywords
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