A Novel Antenna Design of Compact HF and UHF Passive RFID Tags with Interconnected Structure for Energy Harvesting and Tracking Systems

Figure 3

Simulated results of the patch-meander-line dipole for UHF RFID applications.

(a) Patch-meander-line dipole

(b) Input resistance and reactance versus frequency

(c) Magnitude of reflection coefficient versus frequency

(d) Radiation patterns at 922.5 MHz