ISO/IEC 21481:2021
(Main)Information technology — Telecommunications and information exchange between systems — Near field communication interface and protocol 2 (NFCIP-2)
Information technology — Telecommunications and information exchange between systems — Near field communication interface and protocol 2 (NFCIP-2)
This document specifies the communication mode selection and switching mechanism, designed not to disturb any ongoing communication at 13,56 MHz, for devices implementing ISO/IEC 18092, the ISO/IEC 14443 or ISO/IEC 15693 series. The communication modes are specified in the respective International Standards and are outside of the scope of this document.
Technologies de l’information — Télécommunications et échange d’information entre systèmes — Interface et protocole 2 en communication de champ proche (NFCIP-2)
General Information
Relations
Buy Standard
Standards Content (Sample)
INTERNATIONAL ISO/IEC
STANDARD 21481
Third edition
2021-04
Information technology —
Telecommunications and information
exchange between systems — Near
field communication interface and
protocol 2 (NFCIP-2)
Technologies de l’information — Télécommunications et échange
d’information entre systèmes — Interface et protocole 2 en
communication de champ proche (NFCIP-2)
Reference number
ISO/IEC 21481:2021(E)
©
ISO/IEC 2021
---------------------- Page: 1 ----------------------
ISO/IEC 21481:2021(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO/IEC 2021
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO/IEC 2021 – All rights reserved
---------------------- Page: 2 ----------------------
ISO/IEC 21481:2021(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Abbreviated terms . 2
5 Conventions and notations . 2
6 NFCIP-2 device . 2
7 External RF field detection . 3
8 RF field generation . 3
9 Mode selection and switching . 3
Bibliography . 5
© ISO/IEC 2021 – All rights reserved iii
---------------------- Page: 3 ----------------------
ISO/IEC 21481:2021(E)
Foreword
ISO (the International Organization for Standardization) and IEC (the International Electrotechnical
Commission) form the specialized system for worldwide standardization. National bodies that are
members of ISO or IEC participate in the development of International Standards through technical
committees established by the respective organization to deal with particular fields of technical
activity. ISO and IEC technical committees collaborate in fields of mutual interest. Other international
organizations, governmental and non-governmental, in liaison with ISO and IEC, also take part in the
work.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for
the different types of document should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives or www .iec .ch/ members
_experts/ refdocs).
Attention is drawn to the possibility that some of the elements of this document may be the subject
of patent rights. ISO and IEC shall not be held responsible for identifying any or all such patent
rights. Details of any patent rights identified during the development of the document will be in the
Introduction and/or on the ISO list of patent declarations received (see www .iso .org/ patents) or the IEC
list of patent declarations received (see http:// patents .iec .ch).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO's adherence to the
World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see www .iso .org/
iso/ foreword .html. In the IEC, see www .iec .ch/ understanding -standards.
This document was prepared by Joint Technical Committee ISO/IEC JTC 1, Information technology,
Subcommittee SC 6, Telecommunications and information exchange between systems.
This third edition cancels and replaces the second edition (ISO/IEC 21481:2012), which has been
technically revised.
The main change compared to the previous edition is the improvement of the specification of the mode
selection and switching mechanism.
Any feedback or questions on this document should be directed to the user’s national standards body. A
complete listing of these bodies can be found at www .iso .org/ members .html and www .iec .ch/ national
-committees.
iv © ISO/IEC 2021 – All rights reserved
---------------------- Page: 4 ----------------------
ISO/IEC 21481:2021(E)
Introduction
In 2002, Ecma International formed Task Group 19 of Technical Committee 32 to specify near field
communication (NFC) signal interfaces and protocols. The NFC devices are wireless, closely-coupled
devices communicating at 13,56 MHz.
Although ISO/IEC 18092 (NFCIP-1), ISO/IEC 14443 and ISO/IEC 15693 all specify 13,56 MHz as their
working frequency, they specify distinct communication modes. These are defined as NFC, PCD, PICC
and VCD communication modes.
This document (NFCIP-2) specifies the mechanism to detect an external RF field and select one
communication mode out of those four possible communication modes. Furthermore, NFCIP-2 requires
that subsequent behaviour be as speci
...
FINAL
INTERNATIONAL ISO/IEC
DRAFT
STANDARD FDIS
21481
ISO/IEC JTC 1/SC 6
Information technology —
Secretariat: KATS
Telecommunications and information
Voting begins on:
20210118 exchange between systems — Near
field communication interface and
Voting terminates on:
20210315
protocol 2 (NFCIP-2)
Technologies de l’information — Télécommunications et échange
d’information entre systèmes — Interface et protocole 2 en
communication de champ proche (NFCIP-2)
RECIPIENTS OF THIS DRAFT ARE INVITED TO
SUBMIT, WITH THEIR COMMENTS, NOTIFICATION
OF ANY RELEVANT PATENT RIGHTS OF WHICH
THEY ARE AWARE AND TO PROVIDE SUPPOR TING
DOCUMENTATION.
IN ADDITION TO THEIR EVALUATION AS
Reference number
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO
ISO/IEC FDIS 21481:2021(E)
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON
OCCASION HAVE TO BE CONSIDERED IN THE
LIGHT OF THEIR POTENTIAL TO BECOME STAN
DARDS TO WHICH REFERENCE MAY BE MADE IN
©
NATIONAL REGULATIONS. ISO/IEC 2021
---------------------- Page: 1 ----------------------
ISO/IEC FDIS 21481:2021(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO/IEC 2021
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO/IEC 2021 – All rights reserved
---------------------- Page: 2 ----------------------
ISO/IEC FDIS 21481:2021(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Abbreviated terms . 2
5 Conventions and notations . 2
6 NFCIP-2 device . 2
7 External RF field detection . 3
8 RF field generation . 3
9 Mode selection and switching . 3
Bibliography . 5
© ISO/IEC 2021 – All rights reserved iii
---------------------- Page: 3 ----------------------
ISO/IEC FDIS 21481:2021(E)
Foreword
ISO (the International Organization for Standardization) and IEC (the International Electrotechnical
Commission) form the specialized system for worldwide standardization. National bodies that
are members of ISO or IEC participate in the development of International Standards through
technical committees established by the respective organization to deal with particular fields of
technical activity. ISO and IEC technical committees collaborate in fields of mutual interest. Other
international organizations, governmental and nongovernmental, in liaison with ISO and IEC, also
take part in the work.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for
the different types of document should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject
of patent rights. ISO and IEC shall not be held responsible for identifying any or all such patent
rights. Details of any patent rights identified during the development of the document will be in the
Introduction and/or on the ISO list of patent declarations received (see www .iso .org/ patents) or the IEC
list of patent declarations received (see http:// patents .iec .ch).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO's adherence to the
World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see www .iso .org/
iso/ foreword .html.
This document was prepared by Joint Technical Committee ISO/IEC JTC 1, Information technology,
Subcommittee SC 6, Telecommunications and information exchange between systems.
This third edition cancels and replaces the second edition (ISO/IEC 21481:2012), which has been
technically revised.
The main change compared to the previous edition is the improvement of the specification of the mode
selection and switching mechanism.
Any feedback or questions on this document should be directed to the user’s national standards body. A
complete listing of these bodies can be found at www .iso .org/ members .html.
iv © ISO/IEC 2021 – All rights reserved
---------------------- Page: 4 ----------------------
ISO/IEC FDIS 21481:2021(E)
Introduction
In 2002, Ecma International formed Task Group 19 of Technical Committee 32 to specify near field
communication (NFC) signal interfaces and protocols. The NFC devices are wireless, closely-coupled
devices communicating at 13,56 MHz.
Although ISO/IEC 18092 (NFCIP-1), ISO/IEC 14443 and ISO/IEC 15693 all specify 13,56 MHz as their
working frequency, they specify distinct communication modes. These are defined as NFC, PCD, PICC
and VCD communication modes.
This document (NFCIP-2)
...
Questions, Comments and Discussion
Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.