Mobile - Wireless Communications White Papers
Patch Antenna Based on Metamaterials for a RFID Transponder
Overview In this paper a self-diplexed antenna is proposed for a RFID transponder application. The development cycle is divided into two stages: antenna design and filters design. The antenna is based on a square microstrip patch filled with metamaterial structures. The inclusion of these structures allows simultaneous operation over several frequencies, which can be arbitrarily chosen. The antenna working frequencies are chosen to be 2.45 GHz (receiver) and 1.45 GHz (transmitter). In addition, the antenna is fed through two orthogonal coupled microstrip lines, what provides higher isolation between both ports. Some filters based on metamaterial particles are coupled or connected to the antenna feeding microstrip lines to avoid undesired interferences.
| Publisher | University Carlos III of Madrid | File Format | |
|---|---|---|---|
| Date Published | June 2008 | ||
| Format | White Papers | ||
| Topics | |||
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