ISO/IEC 21228:2019

INTERNATIONAL ISO/IEC
STANDARD 21228
First edition
2019-05
Information technology —
Telecommunications and information
exchange between systems —
Coexistence mechanism for
broadband powerline communication
technologies
Technologies de l'information — Télécommunications et échange
d'information entre systèmes — Mécanisme de coexistence des
technologies de communication large bande sur ligne électrique
Reference number
ISO/IEC 21228:2019(E)
©
ISO/IEC 2019

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ISO/IEC 21228:2019(E)

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Published in Switzerland
ii © ISO/IEC 2019 – All rights reserved

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ISO/IEC 21228:2019(E)

Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Abbreviation . 1
5 Coexistence protocol . 1
5.1 General . 1
5.2 Extended TDM resource allocation utilizing resource for an absent in-home system . 2
5.3 Extended TDM resource allocation utilizing resource for access system . 3
Bibliography . 6
© ISO/IEC 2019 – All rights reserved iii

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ISO/IEC 21228:2019(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
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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
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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
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rights. Details of any patent rights identified during
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