GB/T 28925-2012Information technology - Radio frequency identification - Air interface protocol at 2.45 GHz (English PDF)

National Standard of the People's Republic of China

ICS

35.220.01

Classification

L 64

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Contents

• Introduction
• 1 Scope
• 2 Normative references
• 3 Terms and definitions
• 4 Symbols and abbreviations
• 4.1 Symbols
• 4.2 Abbreviations
• 5 Physical Layer
• 5.1 Operating Frequency
• 5.2 emission spectral density template
• 5.3 Modulation and spreading
• 5.4 Transceiver switching time
• 5.5 EVM
• 6.1 Overview
• 6.2 Preamble
• 6.3 preamble
• 6.4 Data Length
• 6.5 Option
• 6.6 8 message data
• 6.7 11 checksum
• 7 tag memory structure
• 7.1 Overview
• 7.2 Security Zone Data Organization
• 7.3 User Data Area Organization
• 7.4 User-defined zone file
• 8 state transition tag
• 8.1 Overview
• 8.2 tag state transition diagram
• 8.3 Listener State
• 8.4 Ready
• 8.5 Working status
• 8.6 Hibernation
• 8.7 23 inactivated state
• 9 Interrogator commands and tag responses
• 9.1 Command Type
• 9.2 Command Codes Table
• 9.3 Ready and Sleep command
• 9.4 Access Command
• 9.5 collection command
• 9.6 File Access Command
• 9.7 Monitoring commands
• 9.8 Security Protocol Commands
• 9.9 Other commands
• 10 protocol works
• 10.1 Overview
• 10.2 Working Process
• 10.3 mode
• 11 anti-collision method
• 11.1 Overview
• 11.2 anti-collision process
• 11.3 Binary Tree Algorithm
• 12 Security protocols
• 12.1 Entity Authentication Protocol
• 12.2 69 security protocol
• 13 air interface parameters in Table
• 13.1 physical and data link layer parameter table
• 13.2 protocol parameters Table
• Appendix A (normative) tag state transition table
• Annex B (informative) Example 90 inventory process
• Annex C (informative) wake-up mechanism
• Annex D (informative) anti-collision algorithm typ