ISO/IEC 17568:2013

Information technology — Telecommunications and information exchange between systems — Close proximity electric induction wireless communications

ISO/IEC 17568:2012 specifies a connection layer (CNL) and a physical layer (PHY) for transferring data between two close proximity entities using electric induction coupling.

Technologies de l'information — Téléinformatique — Communications sans fil à induction électrique de proximité rapprochée

General Information

• Status: Published
• Publication Date: 07-Mar-2013
• ICS: 33.040.40 - Data communication networks
• Technical Committee: ISO/IEC JTC 1/SC 6 - Telecommunications and information exchange between systems
• Drafting Committee: ISO/IEC JTC 1/SC 6 - Telecommunications and information exchange between systems
• Current Stage: 9093 - International Standard confirmed
• Start Date: 23-May-2025
• Completion Date: 24-May-2025

Standards Content (Sample)

INTERNATIONAL ISO/IEC
STANDARD 17568
First edition
2013-03-01
Information technology —
Telecommunications and information
exchange between systems — Close
proximity electric induction wireless
communications
Technologies de l'information — Téléinformatique — Communications
sans fil à induction électrique de proximité rapprochée

Reference number
©
ISO/IEC 2013
©  ISO/IEC 2013
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any
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ii © ISO/IEC 2013 – All rights reserved

Contents Page
Foreword .vi
Introduction.vii
1 Scope.1
2 Conformance .1
3 Normative references.1
4 Terms and definitions .1
5 Abbreviations and acronyms .2
6 Overview.3
6.1 Introduction.3
7 Transmit signal .4
7.1 Modulation scheme parameters .4
7.2 Transmitter functional block diagram .4
7.2.1 Supported Rate Settings and rate dependent parameters.5
7.2.2 Reed-Solomon encoder .6
7.2.3 Convolutional encoder.7
7.2.4 ECS .8
7.2.5 Spreader .9
7.2.6 Sync sequence .9
7.2.7 Scrambler .10
7.2.8 Scrambling sequence generator.11
7.2.9 Pi/2 shift BPSK mapper.12
7.2.10 Mathematical framework of the Up Converter and the Baseband Waveform Generator.13
7.2.11 Baseband waveform.13
7.3 Frame format.14
7.3.1 PPDU format .14
7.3.2 PHY Header format.15
7.4 Transmitter.17
7.4.1 Measurement points.17
7.4.2 Transmit frequency .17
7.4.3 Transmit clock rate requirement.17
7.4.4 Transmit Constellation Error (EVM) .17
8 Receiver.17
8.1 Measurement point.17
8.2 Reference sensitivity.17
8.3 Blocking.17
9 Electric Induction Field.18
10 CNL service definition.19
10.1 Overview of CNL services .19
10.1.1 Connection control service .19
10.1.2 Data service .19
10.1.3 Security service .19
10.2 CNL service access point.19
10.2.1 Initialize.22
10.2.2 Close.22
10.2.3 Connect and accept .22
10.2.4 Connection release .24
10.2.5 Power save.25
© ISO/IEC 2013 – All rights reserved iii

10.2.6 Data transfer.26
10.3 CPDU formats.27
10.3.1 Conventions .27
10.3.2 Acknowledgement (ACK) CPDU.28
10.3.3 CNL data CPDUs.32
10.3.4 Management CPDUs (Link control message) .34
10.4 CNL function description.42
10.4.1 Segmenting/Reassembling.42
10.4.2 Medium state sensing .43
10.4.3 CNL-Level acknowledgements.43
10.4.4 Interframe space (IFS) .48
10.4.5 Access procedure.49
10.4.6 Multirate support.51
10.4.7 UID filter .51
10.5 CNL state .51
10.5.1 Close state.52
10.5.2 Search state.52
10.5.3 Connection request state.53
10.5.4 Accept waiting state .53
10.5.5 Response waiting state.53
10.5.6 Responder response state.54
10.5.7 Initiator connected state .54
10.5.8 Responder connected state.54
10.5.9 Sub-states within the Initiator connected state or Responder connected state.55
10.6 Numerical parameters .57
Annex A (normative) UID Specification .59
A.1 UID Composition.59
A.1.1 Specifier ID .59
A.1.2 Reserved.59
A.1.3 Extension Identifier.59
Annex B (informative) Coupler.60
Annex C (informative) Coupler measurement .61
Annex D (informative) Reference Coupler .63
Annex E (informative) Sample Data Sequences.65
E.1 Reed-Solomon Encoder .65
E.2 Convolutional Encoder .65
E.3 PHY Header HCS.67
E.4 Common CNL Header HCS.67
E.5 Sub CNL Header HCS.67
E.6 Scrambling sequence generator.67
Annex F (informative) CNL frame exchange sequences.70
F.1 CNL frame exchange sequences .70
F.1.1 Connection setup procedure.
...