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PASSIVE RADIO FREQUENCY IDENTIFICATION (RFID) READER, PASSIVE RFID TAG, AND TRANSMITTING AND RECEIVING METHODS USING EXTENDED PULSE-INTERVAL ENCODING (PIE)

  • US 20150161420A1
  • Filed: 12/02/2014
  • Published: 06/11/2015
  • Est. Priority Date: 12/05/2013
  • Status: Active Grant
First Claim
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1. A transmitting method using extended Pulse-Interval Encoding (PIE) in a Radio Frequency IDentification (RFID) system, comprising:

  • configuring a transmitted frame including data to be transmitted to an RFID tag; and

    encoding the data in the transmitted frame by two bits in one symbol section,wherein the encoding comprises;

    adjusting a length of a symbol according to a value of a first bit of 2-bit data to be encoded in each symbol section; and

    adjusting a length of an energy transfer waiting section according to a value of a second bit of 2-bit data to be encoded in each symbol section.

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