Abstract
The spiral resonator is one of the main components of the chipless RFID tag, which is used to encode data into the tag’s spectral signature. In this chapter, we present a model of the spiral resonator based on lumped components and transmission lines. A parametric study of the spiral resonator’s different layout parameters is conducted in order to design the most optimal spiral resonator. Spiral resonators are developed in microstrip and coplanar waveguide technology. Coplanar waveguide technology provides superior performance on thinner laminates. A novel data-encoding technique using spiral shorting is presented. Finally, a multiresonating circuit comprised of cascaded spiral resonators used to encode data into the spectral signature is designed and optimized.
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Preradovic, S., Karmakar, N. (2012). Spiral Resonators. In: Multiresonator-Based Chipless RFID. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-2095-8_3
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DOI: https://doi.org/10.1007/978-1-4614-2095-8_3
Publisher Name: Springer, New York, NY
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