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Article Dans Une Revue IEEE Microwave and Wireless Components Letters Année : 2015

Read range enhancement by harmonic energy in passive UHF RFID

Résumé

A new approach of integrating the passive UHF Radio Frequency Identification (RFID) technology with electromagnetic energy harvesting function is presented in this letter. The approach is based on using a passive RFID tag operating at 868 MHz for communication purposes whereas a rectifying circuit is designed to harvest its third harmonic i.e., 2.604 GHz generated by the non-linear behavior of the RFID chip. An innovative concept to re-inject the energy harvested into the RFID chip is proposed. Experimental results on the energy feedback operation has shown an RF-to-direct current (dc) conversion efficiency of 33% at -16 dBm input power for the harvesting function and a read range improvement of 2.5 m for the communication function.
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Dates et versions

hal-01225792 , version 1 (06-11-2015)

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Gianfranco Andia Vera, Shankar Nawale, Yvan Duroc, Smail Tedjini. Read range enhancement by harmonic energy in passive UHF RFID. IEEE Microwave and Wireless Components Letters, 2015, 25 (9), pp.627-629. ⟨10.1109/LMWC.2015.2451391⟩. ⟨hal-01225792⟩
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