Specification for EPC HF RFID Air Interface EPC™ Radio-Frequency Identity Protocols EPC Class-1 HF RFID Air Interface Protocol for Communications at 13.56 MHz Version 2.0.3 5 September, 2011 Copyright notice Copyright ©2008-2011, GS1 EPCglobal. All rights reserved. Disclaimer Whilst every effort has been made to ensure that the guidelines to use the GS1 EPCglobal standards contained in the document are correct, GS1 EPCglobal and any other party involved in the creation of the document HEREBY STATE that the document is provided without warranty, either expressed or implied, of accuracy or fitness for purpose, AND HEREBY DISCLAIM any liability, direct or indirect, for damages or loss relating to the use of the document. The document may be modified, subject to developments in technology, changes to the standards, or new legal requirements. Product and company names mentioned herein may be trademarks and/or registered trademarks of their respective companies. © GS1 EPCglobal, 2008 - 2011 i Table of Contents Specification for EPC HF RFID Air Interface .................................................................................................... i EPC™ Radio-Frequency Identity Protocols ..................................................................................................... i EPC Class-1 HF RFID Air Interface Protocol .................................................................................................... i for Communications at 13.56 MHz .................................................................................................................... i Version 2.0.3 ........................................................................................................................................................ i 1 Scope ..................................................................................................................................................... 1 2 Conformance ......................................................................................................................................... 1 2.1 Claiming conformance ......................................................................................................................... 1 2.2 General conformance requirements ................................................................................................... 1 2.2.1 Interrogators .......................................................................................................................................... 1 2.2.2 Tags ........................................................................................................................................................ 2 2.3 Command structure and extensibility ................................................................................................ 2 2.3.1 Mandatory commands .......................................................................................................................... 2 2.3.2 Optional commands ............................................................................................................................. 2 2.3.3 Proprietary commands ......................................................................................................................... 2 2.3.4 Custom commands ............................................................................................................................... 3 2.4 Reserved for Future Use (RFU) ........................................................................................................... 3 3 Normative references ........................................................................................................................... 4 4 Terms and definitions........................................................................................................................... 5 4.1 cover-coding ......................................................................................................................................... 5 4.2 cover-coded text ................................................................................................................................... 5 4.3 full-duplex communications ................................................................................................................ 5 4.4 half-duplex communications ............................................................................................................... 5 4.5 handle .................................................................................................................................................... 5 4.6 loadmodulation ..................................................................................................................................... 5 4.7 packetCRC ............................................................................................................................................. 5 4.8 packetPC ................................................................................................................................................ 5 4.9 permalock .............................................................................................................................................. 6 4.10 Phase Jitter Modulation (PJM) ............................................................................................................ 6 4.11 physical layer ........................................................................................................................................ 6 4.12 pivot........................................................................................................................................................ 6 4.13 plaintext ................................................................................................................................................. 6 4.14 protocol .................................................................................................................................................. 6 4.15 recommisioning .................................................................................................................................... 6 4.16 slot .......................................................................................................................................................... 6 4.17 storedCRC ............................................................................................................................................. 6 4.18 storedPC ................................................................................................................................................ 7 4.19 Tari.......................................................................................................................................................... 7 4.20 word........................................................................................................................................................ 7 5 Symbols (and abbreviated terms) ....................................................................................................... 8 5.1 Symbols ................................................................................................................................................. 8 5.2 Abbreviated terms ................................................................................................................................ 9 5.3 Notation ............................................................................................................................................... 10 6 Requirements: Physical layer, collision management system and protocol values for 13,56MHz systems .............................................................................................................................. 11 6.1 Protocol overview ............................................................................................................................... 11 6.1.1 Physical layer ...................................................................................................................................... 11 6.1.2 Tag-identification layer....................................................................................................................... 11 6.2 General ................................................................................................................................................. 11 6.2.1 EPC™ Class-1 HF RFID AI interoperability ...................................................................................... 11 © GS1 EPCglobal, 2008 - 2011 ii 6.3 EPC™ Class-1 HF RFID AI: Physical layer, collision management system and protocols ......... 11 6.3.1 Normative aspects: physical and media access control (MAC) parameters ................................ 11 6.3.2 Logical – Operating procedure parameters ...................................................................................... 16 6.3.3 Description of operating procedure .................................................................................................. 16 6.3.4 Tag selection, inventory, and access ................................................................................................ 35 7 Marking of equipment ......................................................................................................................... 90 Annex A (informative) Revision History .......................................................................................................