Near-Field HF-RFID and CMA-Based Circularly Polarized Far-Field UHF-RFID Integrated Tag Antenna

Figure 18

The simulated and measured results of normalized AR pattern of UHF-RFID tag antenna: (a, b) simulated xz-plane and yz-plane; (c, d) measured xz-plane and yz-plane.

(a)

(b)

(c)

(d)