“…Using ANSYS-HFSS software which delivers 3-D full-wave simulation for RF components, we perform the simulation with paper as substrate (permittivity 3.05 and dielectric loss 0.089 at 4.3 GHz), silver nanoparticles as metallized lines, conductive polymer poly (3,4-ethylenedioxythiophene) polystyrene sulfonate with multi walled carbon nanotubes (PEDOT: PSS-MWCNTs) as sensitive layer. The material were considered as homogeneous in a first approximation, their parameters were measured and presented previously, in [3,6,7]. Figure 1b shows the S parameters of the simulated device.…”