Wearable Passive E-Textile UHF RFID Tag Based on a Slotted Patch Antenna with Sewn Ground and Microchip Interconnections

<div>Simulated antenna-microchip power transfer efficiency.</div>

International Journal of Antennas and Propagation

Figure 3: Wearable Passive E-Textile UHF RFID Tag Based on a Slotted Patch Antenna with Sewn Ground and Microchip Interconnections 