A Single-Layer Compact HF-UHF Dual-Band RFID Tag Antenna

  title={A Single-Layer Compact HF-UHF Dual-Band RFID Tag Antenna},
  author={Zi Long Ma and Li Jun Jiang and Jingtian Xi and Terry Tao Ye},
  journal={IEEE Antennas and Wireless Propagation Letters},
This letter presents a novel dual-band (HF and UHF) radio frequency identification (RFID) tag antenna. Two key challenges are faced: the compact dimension and the impaired bandwidth due to the couplings between two band structures. To enable the implementation of whole design on a credit-card-size single-layer support, a spiral coil along the edges of the card is designed to handle the HF (13.56 MHz) near-field coupling, and the UHF antenna is placed inside the coil instead of outside… CONTINUE READING


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