[Retracted] Characterization of Composite RFID Antennas Based on Thermal Properties: A Survey

Table 2

Input impedance of the three RFID chips as function of temperature [12].

Temperature (°C)	Real part of impedance (Ω)			Imaginary part of impedance (Ω)
30	6.85	8.03	7.45	−139	−134	−132
40	7.4	7.34	7.46	−138	−135	−132
50	7.53	8.5	7.81	−138	−133	−131
60	7.69	8.6	8.16	−138	−133	−131
70	7.9	8.66	8.23	−134	−134	−131
80	8.52	8.79	9.34	−138	−133	−131