Fig. 1 Hardware configuration
Fig. 2 System configuration diagram
Fig. 3 Process Scenario of bolts
Fig. 4 Process diagram
Fig. 5 Simulation section
Fig. 6 Size and placement of chip and via hole
Fig. 7 Specification of designed
Fig. 8 Return loss of designed
Fig. 9 E-plane, H-plane radiation pattern
Fig. 10 NFC antenna location designed on pallet
Fig. 11 Cross section of NFC antenna and ferrite layer
Fig. 12 Return loss of antenna placed on ABS-based pallet
Fig. 13 Radiation patterns of antennas placed on pallets (ABS)
Fig. 14 Comparison of return loss when pallet is ABS and aluminum
Table. 1 Compare with Commercial Products
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