Design and evaluation of a passive frequency-coded reflector using W-band FMCW radar

Jan Barowski, Ali Alhaj Abbas , Mohammed El-Absi, Lukas Piotrowsky, Nils Pohl, Ilona Rolfes, Klaus Solbach

Ger­man Micro­wa­ve Con­fe­rence (GeMiC 2020), pp. 92-94, Cott­bus, Ger­ma­ny, March 09–11, 2020


Abstract

This paper presents results to validate the passive frequency coding capability of dielectric resonators in chipless reflector tags. For this purpose, two measurement setups are used. First, the general functionality is proven by using a vector network analyzer. Secondly, a FMCW radar is used to measure the frequency dependent target response, since it achieves a much higher mobility and can be used as a tag-reader in real operation. Furthermore, both measurement systems are compared regarding their stability and dynamic range.

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