ISO/IEC 15962:2004

INTERNATIONAL ISO/IEC
STANDARD 15962
First edition
2004-10-15
Information technology — Radio
frequency identification (RFID) for item
management — Data protocol: data
encoding rules and logical memory
functions
Technologies de l'information — Identification par radiofréquence
(RFID) pour la gestion d'objets — Protocole de données: règles
d'encodage des données et fonctions logiques de mémoire

Reference number
©
ISO/IEC 2004
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ii © ISO/IEC 2004 – All rights reserved

Contents Page
Foreword.vi
Introduction .vii
1 Scope.1
2 Normative references.1
3 Terms, definitions and abbreviated terms.2
3.1 Terms and definitions.2
3.2 Abbreviated terms.4
4 Protocol model.4
4.1 Overview.4
4.2 Layered protocol.5
4.3 Functional processes.6
5 Data structure.8
5.1.1 The 8-bit byte.8
5.1.2 N-bit encoding.8
6 Data Protocol Processor and the application interface.8
6.1 Processing transfers from ISO/IEC 15961.9
6.2 Universal Types.9
6.3 Length encoding and decoding.10
6.4 Decoding of Type values.10
6.4.1 Decoding of a BOOLEAN value .10
6.4.2 Decoding an INTEGER value .10
6.4.3 Decoding an OBJECT IDENTIFIER value.11
6.4.4 Decoding the OCTET STRING value .11
6.4.5 Decoding the SEQUENCE or SEQUENCE OF value.11
7 Data Protocol Processor and the air interface.12
7.1 Air interface services.12
7.2 Defining the system information .13
7.2.1 Tag Identifier.13
7.2.2 Physical block size.14
7.2.3 Number of blocks.14
7.2.4 Application Family Identifier.14
7.2.5 Storage Format.14
7.3 Configuring the Logical Memory.15
7.3.1 Non- directory structure of the Logical Memory .15
7.3.2 Directory structure of the Logical Memory .16
7.3.3 Self mapping RF tags .16
8 Data flows and processes.17
8.1 Application data.17
8.1.1 Processing data transferred from ISO/IEC 15961.17
8.1.2 Processing example.18
8.2 Data object processing.19
8.2.1 Compaction process.19
8.2.2 Compaction Schemes.20
8.2.3 Compaction Type codes.21
8.2.4 Encoding the length of the compacted object.21
8.2.5 Example of encoding for the Logical Memory after compaction.21
8.3 Data formatting.22
8.3.1 Data Formatter Functions .22
© ISO/IEC 2004 – All rights reserved iii

8.3.2 Formatting the objectId . 23
8.3.3 The Precursor for dataFormat not equal 2 . 24
8.3.4 The Precursor for the root-OID for dataFormat = 2 .24
8.3.5 Encoding the RELATIVE-OID . 24
8.3.6 Encoding the OBJECT IDENTIFIER. 26
8.3.7 Encoding the root-OID for dataFormat = rootOidEncoded (2). 26
8.3.8 Encoding the object and its length. 27
8.3.9 The offset byte. 27
8.3.10 The Precursor expansion byte. 27
8.3.11 The directory structure . 27
8.3.12 Addressing from the directory. 28
8.3.13 Structures of Logical Memory. 28
8.4 Decoding the Logical Memory . 28
8.4.1 Overall decode strategy. 28
8.4.2 Decoding the storageFormat . 28
8.4.3 Decoding the Precursor. 29
8.4.4 Decoding the leading byte(s) of the encoded objectId. 30
9 The Command / Response unit. 31
9.1 Commands. 31
9.1.1 Configure Application Family Identifier command. 31
9.1.2 Configure Storage Format command. 31
9.1.3 Inventory Tags command. 32
9.1.4 Add Single Object command . 32
9.1.5 Delete Object command . 32
9.1.6 Modify Object command. 32
9.1.7 Read Single Object command. 33
9.1.8 Read ObjectIds command . 33
9.1.9 Read All Objects command. 34
9.1.10 Read Logical Memory Map command. 34
9.1.11 Inventory And Read Objects command . 34
9.1.12 Erase Memory command. 35
9.1.13 Get Application-based System Information command . 35
9.1.14 Add Multiple Objects command. 35
9.1.15 Read Multiple Objects command. 35
9.1.16 Read First Object command. 36
9.2 Processing arguments. 36
9.2.1 afiLock. 36
9.2.2 avoidDuplicate. 36
9.2.3 checkDuplicate.
...