This standard specifies the conformance test method for air interface of radio frequency identification at 840~845MHz and 920~925MHz based on GB/T 29768-2013.
This standard is applicable to the conformance test for air interface of radio frequency identification device (reader-writer and tag) at 840~845MHz and 920~925MHz.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 29261.3-2012 Information technology - Automatic identification and data capture (AIDC) techniques - Vocabulary - Part 3: Radio-frequency identification
GB/T 29768-2013 Information technology - Radio frequency identification - Air interface protocol at 800/900MHz
3 Terms, definitions, symbols and abbreviations
3.1 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 29261.3-2012 apply.
3.2 Symbols
For the purposes of this document, the symbols given in GB/T 29768-2013 and the followings apply.
PW pulse width.
Target check flag.
GI antenna gain.
Tc the reference time of forward link.
Tpri the reference clock cycle of communication link from the tag to the reader-writer
TRext the lead signal indication.
dS the distance between reader-writer antenna and test antenna.
dTE the distance between reader-writer antenna and tag simulator.
Λ the wavelength corresponding to the working frequency.
3.3 Abbreviations
For the purposes of this document, the abbreviations defined in GB/T 29768-2013 and the followings apply.
AM: amplitude modulation
ASK: amplitude shift keying
DSB-ASK: double-sideband amplitude shift keying
DUT: device under test
ID: identifier
PSK: phase shift keying
GB/T 35102-2017 The following standards are cited：
