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TECHNICAL SPECIFICATION
Emergency Communications (EMTEL);
European Public Warning System (EU-ALERT)
using the Cell Broadcast Service
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2 ETSI TS 102 900 V1.3.1 (2019-02)
Reference
RTS/EMTEL-00045
Keywords
administration, CBS, emergency, PWS
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3 ETSI TS 102 900 V1.3.1 (2019-02)
Contents
Intellectual Property Rights . 4
Foreword . 4
Modal verbs terminology . 4
Introduction . 4
1 Scope . 5
2 References . 5
2.1 Normative references . 5
2.2 Informative references . 5
3 Definition of terms, symbols and abbreviations . 6
3.1 Terms . 6
3.2 Symbols . 6
3.3 Abbreviations . 6
4 Background . 7
4.0 General . 7
4.1 Importance of NL-Alert . 8
4.2 Other countries supporting EU-Alert . 8
5 EU-Alert capabilities . 8
5.1 Language . 8
5.2 Message Types . 8
5.2.0 General . 8
5.2.1 Message Identifiers . 9
5.3 Service activation . 10
5.4 Bearer technology. 10
5.5 Security considerations . 11
5.6 Delay Requirements . 11
6 UE specific aspects . 11
6.0 General UE aspects . 11
6.1 UE requirements . 12
6.1.0 General UE requirements . 12
6.1.1 Maintaining user preferences . 12
6.1.2 Presentation of the message . 12
6.1.3 Feature behaviour . 13
6.2 Considerations for individuals with special needs . 13
Annex A (informative): Void . 14
Annex B (informative): Bibliography . 15
History . 16
ETSI
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4 ETSI TS 102 900 V1.3.1 (2019-02)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The information
pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found
in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in
respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web
server (https://ipr.etsi.org/).
Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee
can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web
server) which are, or may be, or may become, essential to the present document.
Trademarks
The present document may include trademarks and/or tradenames which are asserted and/or registered by their owners.
ETSI claims no ownership of these except for any which are indicated as being the property of ETSI, and conveys no
right to use or reproduce any trademark and/or tradename. Mention of those trademarks in the present document does
not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks.
Foreword
This Technical Specification (TS) has been produced by ETSI Special Committee Emergency
Communications (EMTEL).
Modal verbs terminology
In the present document "shall", "shall not", "should", "should not", "may", "need not", "will", "will not", "can" and
"cannot" are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of
provisions).
"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.
Introduction
The Netherlands have taken the lead in an EC funded project on "Cell Broadcast for Public Warning" having announced
publicly that the Netherlands will implement such a service in 2010. A number of European countries have investigated
the possibility of deploying a Public Warning Service in their own country and have given their support to the EC
funded project.
The generic name for the European Public Warning System is EU-ALERT. The letters EU will be replaced by
characters identifying a particular country (e.g. NL-ALERT signifying the Netherlands, UK-ALERT signifying the
United Kingdom). Such a strategy will allow each country to configure their own Public Warning System to meet their
specific national requirements whilst incorporating it within a common core specification agreed by all European
countries. By this approach roaming will be supported and terminal behaviour will be uniform, irrespective of the
country which the subscriber is roaming in.
ETSI
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5 ETSI TS 102 900 V1.3.1 (2019-02)
1 Scope
The present document defines the system requirements for a European Public Warning Service using the Cell Broadcast
Service [1] as a means of message distribution and delivery to User Equipment (UE).
2 References
2.1 Normative references
References are either specific (identified by date of publication and/or edition number or version number) or
non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the
referenced document (including any amendments) applies.
Referenced documents which are not found to be publicly available in the expected location might be found at
https://docbox.etsi.org/Reference/.
NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee
their long term validity.
The following referenced documents are necessary for the application of the present document.
[1] ETSI TS 123 041: "Digital cellular telecommunications system (Phase 2+) (GSM); Universal
Mobile Telecommunications System (UMTS); Technical realization of Cell Broadcast Service
(CBS) (3GPP TS 23.041)".
[2] ETSI TS 122 268: "Digital cellular telecommunications system (Phase 2+) (GSM); Universal
Mobile Telecommunications System (UMTS); Public Warning System (PWS) requirements
(3GPP TS 22.268)".
[3] ETSI TS 102 182: "Emergency Communications (EMTEL); Requirements for communications
from authorities/organizations to individuals, groups or the general public during emergencies".
[4] Void.
[5] ETSI TS 125 331: "Universal Mobile Telecommunications System (UMTS); Radio Resource
Control (RRC); Protocol specification (3GPP TS 25.331)".
[6] ISO 3166-1: "Codes for the representation of names of countries and their subdivisions - Part 1:
Country codes".
[7] ETSI TS 123 038: "Digital cellular telecommunications system (Phase 2+) (GSM); Universal
Mobile Telecommunications System (UMTS); LTE; Alphabets and language-specific information
(3GPP TS 23.038)".
2.2 Informative references
References are either specific (identified by date of publication and/or edition number or version number) or
non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the
referenced document (including any amendments) applies.
NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee
their long term validity.
The following referenced documents are not necessary for the application of the present document but they assist the
user with regard to a particular subject area.
[i.1] ETSI TR 102 444: "Emergency Communications (EMTEL); Analysis of the Short Message
Service (SMS) and Cell Broadcast Service (CBS) for Emergency Messaging applications;
Emergency Messaging; SMS and CBS".
ETSI
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6 ETSI TS 102 900 V1.3.1 (2019-02)
[i.2] ETSI TR 122 968: "Digital cellular telecommunications system (Phase 2+) (GSM); Universal
Mobile Telecommunications System (UMTS); LTE; Study for requirements for a Public Warning
System (PWS) service (3GPP TR 22.968)".
[i.3] ETSI TR 102 850: "Emergency Communications (EMTEL); Analysis of Mobile Device
Functionality for PWS".
[i.4] EU Position Paper v5.1.
3 Definition of terms, symbols and abbreviations
3.1 Terms
For the purposes of the present document, the following terms apply:
amber alert: alert to seek help from citizens to find abducted children
EU-ALERT: generic term for the European Public Warning Service
NOTE: Specific Countries are identified by replacing the letters EU with the Country Identification letters in
ISO 3166-1 [6]. E.g.:
NL-ALERT: The national variant of EU-ALERT for the Netherlands.
UK-ALERT: The national variant of EU-ALERT for the United Kingdom.
FR-ALERT: The national variant of EU-ALERT for France.
message identifier: parameter in a Cell Broadcast message that is an indication of the topic
NOTE: A topic should be activated on the UE. The UE will only process messages with a Message Identifier that
is in the topic list.
3.2 Symbols
Void.
3.3 Abbreviations
For the purposes of the present document, the following abbreviations apply:
5G NR 5G New Radio
CBS Cell Broadcast Service
CMAS Commercial Mobile Alert System
CMSP Commercial Mobile Service Provider
ETWS Earthquake and Tsunami Warning System
FCC Federal Commission for Communications
GSM General System for Mobile communication
IE Information Element
IP Internet Protocol
KPAS Korean Public Alert System
LTE Long Term Evolution
MI Message Identifier
MMI Man-Machine Interface
MMS Multimedia Messaging Service
NR New Radio
PWS Public Warning System
SMS Short Messaging Service
UE User Equipment
ETSI
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7 ETSI TS 102 900 V1.3.1 (2019-02)
UMTS Universal Mobile Telecommunications System
URL Unified Resource Locator
WEA Wireless Emergency Alert
WG Working Group
4 Background
4.0 General
For the public authorities, warning the population on the occurrence of a possible disaster is one of their responsibilities.
They will use for this purpose all means of communication, in relation with the specific features of the disaster (e.g. the
level of risks, it can be forecast or not; the coverage is limited or broad).
The mobile device Public Warning System (PWS) is in this view a complement to a whole set of communication media
and should be taken in consideration by the authorities organizing the Civil Safety, in the frame of an overall scheme of
population protection.
The characteristics of the mobile radio services and their rather extensive coverage from GSM to 5G New Radio (5G
NR) technology make it a very relevant tool for addressing the population in real time with short notice, selecting the
targeted area, broadcasting relevant information or advice. Additionally it can be assumed that the PWS service can be
used not only for warning but also during the phases after the occurrence of the catastrophic event to distribute updated
instructions to the affected population.
ETSI's Special Committee EMTEL's Technical Specification ETSI TS 102 182 [3] provides an overview of the
requirements for communication from authorities/organizations to individuals, groups or the general public in all types
of emergencies. It collects operational and organizational requirements as a basis for a common notification service,
including targeting of the area to be notified. Although many of the requirements relate to national public policies and
regulations, there are a number of service and technical aspects which are better dealt with on the European level to
ensure harmonized access and services over Europe and service effectiveness through increased user awareness by
using standardized solutions.
ETSI's Special Committee EMTEL's Technical Report ETSI TR 102 444 [i.1] contains an analysis of the use of CBS
for broadcasting emergency messages.
3GPP WG SA1 conducted a study for requirements for PWS in ETSI TR 122 968 [i.2], where the EMTEL specification
ETSI TS 102 182 [3], ETSI TR 102 444 [i.1], requirements from Japan for ETWS and requirements from the USA for
CMAS were used as input.
From this study, 3GPP Working Group SA1 delivered a specification for PWS Requirements in ETSI TS 122 268 [2]
which covers PWS in general, where ETWS, WEA/CMAS, EU-Alert and KPAS are regional adaptations of PWS.
The EC funded project on "Cell Broadcast for Public Warning" has provided the mechanism for Europe to reach a
consensus on the requirements for a Public Warning Service - vital for harmonisation across European countries
without which significant issues concerning roaming would arise.
The EC funded project "Cell Broadcast for Public Warning" was initiate
...