Characterization of Synthetic Fabrics as GPS Antenna Substrate

M. Schaffrath (Finland), P. Salonen (USA), H. Hurme, and M. Kivikoski (Finland)


Fabric antenna, flexible antenna, GPS antenna, antenna materials


The evolution of the antenna technology is taking quantum leaps in using textile materials as an antenna substrate. In the future, this allows complete freedom to design body-worn antenna systems embedded in, e.g. smart clothes. This paper focuses on the characterization of different synthetic fabrics suitable for circular polarized micro-strip antennas. Special attention is paid to GPS antennas. Five different synthetic textile materials are chosen for the comparison. The results will show that all the selected fabrics are suitable for circular polarized antennas. However, it was found that fabric material's elasticity has strong effect on antenna's performance parameters stability.

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