SIST EN 62320-1:2008

SLOVENSKI STANDARD
SIST EN 62320-1:2008
01-januar-2008
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Maritime navigation and radiocommunication equipment and systems - Automatic
Identification System (AIS) - Part 1: AIS Base Stations - Minimum operational and
performance requirements, methods of testing and required test results
Navigations- und Funkkommunikationsgeräte und -systeme für die Seeschifffahrt –
Automatische Identifikationssysteme (AIS) - Teil 1: AIS-Basisstationen - Mindest-
Betriebs- und -Leistungsanforderungen, Prüfverfahren und geforderte Prüfergebnisse
Equipements et systèmes de navigation et de radiocommunication maritimes - Systèmes
d'identification automatique (AIS) - Partie 1: Stations de base AIS - Exigences minimales
opérationnelles et de performance, méthodes de mesure et résultats de test minimum
attendus
Ta slovenski standard je istoveten z: EN 62320-1:2007
ICS:
47.020.70 Navigacijska in krmilna Navigation and control
oprema equipment
SIST EN 62320-1:2008 en,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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EUROPEAN STANDARD
EN 62320-1

NORME EUROPÉENNE
March 2007
EUROPÄISCHE NORM

ICS 47.020.70


English version


Maritime navigation and radiocommunication equipment and systems -
Automatic Identification Systems (AIS) -
Part 1: AIS Base Stations -
Minimum operational and performance requirements,
methods of testing and required test results
(IEC 62320-1:2007)


Equipements et systèmes de navigation  Navigations- und
et de radiocommunication maritimes - Funkkommunikationsgeräte
Systèmes d'identification und -systeme für die Seeschifffahrt -
automatique (AIS) - Automatische Identifikationssysteme -
Partie 1: Stations de base AIS - Teil 1: AIS-Basisstationen -
Exigences minimales opérationnelles Mindest-Betriebs- und -
et de performance, méthodes de mesure Leistungsanforderungen, Prüfverfahren
et résultats de test minimum attendus und geforderte Prüfergebnisse
(CEI 62320-1:2007) (IEC 62320-1:2007)


This European Standard was approved by CENELEC on 2007-03-01. CENELEC members are bound to comply
with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard
the status of a national standard without any alteration.

Up-to-date lists and bibliographical references concerning such national standards may be obtained on
application to the Central Secretariat or to any CENELEC member.

This European Standard exists in two official versions (English and German). A version in any other language
made by translation under the responsibility of a CENELEC member into its own language and notified to the
Central Secretariat has the same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the
Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland and the United Kingdom.
CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung

Central Secretariat: rue de Stassart 35, B - 1050 Brussels


© 2007 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 62320-1:2007 E

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EN 62320-1:2007 - 2 -
Foreword
The text of document 80/460/FDIS, future edition 1 of IEC 62320-1, prepared by IEC TC 80, Maritime
navigation and radiocommunication equipment and systems, was submitted to the IEC-CENELEC
parallel vote and was approved by CENELEC as EN 62320-1 on 2007-03-01.
The following dates were fixed:
– latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorsement (dop) 2007-12-01
– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2010-03-01
Annex ZA has been added by CENELEC.
__________
Endorsement notice
The text of the International Standard IEC 62320-1:2006 was approved by CENELEC as a European
Standard without any modification.
__________

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- 3 - EN 62320-1:2007
Annex ZA
(normative)

Normative references to international publications
with their corresponding European publications

The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.

NOTE  When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD
applies.

Publication Year Title EN/HD Year

1) 2)
IEC 61108-1 - Maritime navigation and radiocommunication EN 61108-1 2003
equipment and systems - Global navigation
satellite systems (GNSS) -
Part 1: Global positioning system (GPS) -
Receiver equipment - Performance
standards, methods of testing and required
test results


1) 2)
IEC 61162-1 - Maritime navigation and radiocommunication EN 61162-1 2000
equipment and systems - Digital interfaces -
Part 1: Single talker and multiple listeners


1)
ITU-R - Interim solutions for improved efficiency in the - -
Recommendation use of the band 156-174 MHz by stations in
M.1084-4 the maritime mobile service


1)
ITU-R - Technical characteristics for a universal - -
Recommendation shipborne automatic identification system
M.1371 using time division multiple access in the VHF
maritime mobile band


1)
ITU-T - Basic parameters for the measurement of - -
Recommendation error performance at bit rates below the
O.153 primary rate


1)
IALA - On Automatic Identification System (AIS) - -
Recommendation Shore Station networking aspects relating to
A-124 the AIS Service


1)
RTCM SC104 - RTCM Recommended Standards for - -
Differential GNSS (Global Navigation Satellite
Systems) Service




1)
Undated reference.
2)
Valid edition at date of issue.

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INTERNATIONAL IEC


STANDARD 62320-1





First edition
2007-02


Maritime navigation and radiocommunication
equipment and systems –
Automatic identification system (AIS) –
Part 1:
AIS Base Stations –
Minimum operational and performance
requirements, methods of testing and
required test results
© IEC 2007 ⎯ Copyright - all rights reserved
No part of this publication may be reproduced or utilized in any form or by any means, electronic or
mechanical, including photocopying and microfilm, without permission in writing from the publisher.
International Electrotechnical Commission, 3, rue de Varembé, PO Box 131, CH-1211 Geneva 20, Switzerland
Telephone: +41 22 919 02 11 Telefax: +41 22 919 03 00 E-mail: inmail@iec.ch Web: www.iec.ch
PRICE CODE
Commission Electrotechnique Internationale XD
International Electrotechnical Commission
МеждународнаяЭлектротехническаяКомиссия
For price, see current catalogue

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– 2 – 62320-1 © IEC:2007(E)
CONTENTS
FOREWORD.4
INTRODUCTION.6

1 Scope.7
2 Normative references .7
3 Symbols and abbreviations.8
4 Functional layout of an AIS Base Station .8
4.1 General .8
4.2 Functional block diagram of an AIS Base Station.9
4.3 General VDL requirements .10
4.4 Functional diagram for operation of a Base Station .11
4.5 Base Station input/output sentence formatters.11
5 Functional definition of the radio interface of the AIS Base Station .13
5.1 General requirements of the physical layer.13
5.2 Required parameter settings for the physical layer of the AIS Base Station .13
5.3 Minimum requirements for the TDMA transmitter of the AIS Base Station.14
5.4 Minimum requirements for the TDMA receivers of the AIS Base Station .15
5.5 Shutdown procedure for an AIS Base Station .15
6 Requirements for AIS Base Station.15
6.1 General .15
6.2 Dependent Base Station requirements.16
6.3 Independent Base Station requirements .17
6.4 BIIT conditions .22
6.5 Further requirements for optional features.22
7 Functional definition of the presentation interface of the AIS Base Station.23
7.1 Physical requirements for the presentation interface .23
7.2 Presentation interface data exchange.23
8 Tests of AIS Base Stations – method of measurement and required results.24
8.1 Test conditions.24
9 Physical radio tests .27
9.1 Transceiver protection test .27
9.2 TDMA transmitter .28
9.3 TDMA receivers.35
9.4 Conducted spurious emissions at the antenna.43
10 Functional tests for Base Station .44
10.1 Pre-set-up .44
10.2 Normal operation.45
10.3 Intentional slot reuse (link congestion) .72
10.4 Comment Block Encapsulation .73

Annex A (informative)  Proposed additional IEC 61162 AIS sentences.75


Figure 1 – Functional block diagram of an AIS Base Station .9
Figure 2 – Functional block diagram dependent and independent operation.11
Figure 3 – General processing diagram .17
Figure 4 – General processing diagram .18

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62320-1 © IEC:2007(E) – 3 –
Figure 5 – Flow diagram for AIS Base Station response to VDM input.21
Figure 6 – Format for repeating four-packet cluster.25
Figure 7 – Measurement arrangement .28
Figure 8 – Measurement arrangement .29
Figure 9 – Modulation spectrum for slotted transmission 25 kHz .30
Figure 10 – Modulation spectrum for slotted transmission at optional 12,5 kHz .31
Figure 11 – Measurement arrangement for modulation accuracy.31
Figure 12 – Power versus time mask .33
Figure 13 – Measurement arrangement.34
Figure 14 – Measurement arrangement.35
Figure 15 – Measurement arrangement.36
Figure 16 – Measurement arrangement.37
Figure 17 – Measurement arrangement.38
Figure 18 – PER/BER or SINAD measuring equipment .40
Figure 19 – Measurement arrangement for inter-modulation .42
Figure 20 – Measurement arrangement for blocking or de-sensitisation .43

Table 1 – Base Station input/output sentence formatters .12
Table 2 – Required parameter settings for an AIS Base Station .14
Table 3 – Required settings of physical layer constants .14
Table 4 – Bandwidth related parameters of the physical layer of the AIS Base Station.14
Table 5 – Minimum required TDMA transmitter characteristics .15
Table 6 – Minimum TDMA receiver characteristics .15
Table 7 – Base Station response to input messages from the VDL.17
Table 8 – Base Station response to input messages from the VDL.19
Table 9 – BIIT alarm conditions monitored by an AIS Base Station .22
Table 10 – Content of first two packets .25
Table 11 – Fixed PRS data derived from ITU-T O.153 .25
Table 12 – Maximum values of absolute measurement uncertainties.27
Table 13 – Definition of timings for Figure 12.33
Table 14 – Frequencies for inter-modulation tests.42

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– 4 – 62320-1 © IEC:2007(E)
INTERNATIONAL ELECTROTECHNICAL COMMISSION
___________
MARITIME NAVIGATION AND RADIOCOMMUNICATION
EQUIPMENT AND SYSTEMS –
AUTOMATIC IDENTIFICATION SYSTEM (AIS) –

Part 1: AIS Base Stations –
Minimum operational and performance requirements,
methods of testing and required test results


FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote interna-
tional co-operation on all questions concerning standardization in the electrical and electronic fields. To this
end and in addition to other activities, IEC publishes International Standards, Technical Specifications, Techni-
cal Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”).
Their preparation is entrusted to technical committees; any IEC National Committee interested in the subject
dealt with may participate in this preparatory work. International, governmental and non-governmental organiza-
tions liaising with the IEC also participate in this preparation. IEC collaborates closely with the International Or-
ganization for Standardization (ISO) in accordance with conditions determined by agreement between the two
organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all inter-
ested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any misinter-
pretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence be-
tween any IEC Publication and the corresponding national or regional publication shall be clearly indicated in
the latter.
5) IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any equip-
ment declared to be in conformity with an IEC Publication.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and ex-
penses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publica-
tions.
8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of
patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 62320-1 has been prepared by IEC Technical Committee 80: Mari-

time navigation and radiocommunication equipment and systems.
The text of this standard is based on the following documents:
FDIS Report on voting
80/460/FDIS 80/468/RVD

Full information on the voting for the approval of this standard can be found in the report on
voting indicated in the above table.
This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.

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62320-1 © IEC:2007(E) – 5 –
A list of all parts of IEC 62320 series, under the general title: Maritime navigation and radio-
communication equipment and systems – Automatic Identification System (AIS) can be found
on the IEC website.
The committee has decided that the contents of this publication will remain unchanged until
the maintenance result date indicated on the IEC web site under "http://webstore.iec.ch" in the
data related to the specific publication. At this date, the publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
A bilingual version of this publication may be issued at a later date.

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– 6 – 62320-1 © IEC:2007(E)
INTRODUCTION
Chapter V of the International Convention for the Safety of Life at Sea 1974 (SOLAS) requires
mandatory carriage of Automatic Identification System (AIS) equipment on all vessels con-
structed on or after 01 July 2002. Carriage for other types and sizes of SOLAS Convention
vessels was required to be completed not later than 31 December 2004.
SOLAS Chapter V, Regulation 19, clause 2.4.5 states that AIS shall:
1 provide automatically to appropriate equipped shore stations, other ships and aircraft in-
formation, including ship's identity, type, position, course, speed, navigational status and
other safety-related information;
2 receive automatically such information from similarly fitted ships;
3 monitor and track ships; and
4 exchange data with shore-based facilities.
In addition, the IMO performance standards for AIS state that:
– The AIS should improve the safety of navigation by assisting in the efficient navigation of
ships, protection of the environment, and operation of Vessel Traffic Services (VTS), by
satisfying the following functional requirements:
1 in a ship-to-ship mode for collision avoidance;
2 as a means for littoral States to obtain information about a ship and its cargo; and
3 as a VTS tool, i.e. ship-to-shore (traffic management).
– The AIS should be capable of providing to ships and to competent authorities, information
from the ship, automatically and with the required accuracy and frequency, to facilitate ac-
curate tracking. Transmission of the data should be with the minimum involvement of
ship's personnel and with a high level of availability.
The provision of Shore Based AIS will be necessary to attain the full benefit of the SOLAS
Convention requirements.
This part of IEC 62320 provides the minimum operational and performance requirements,
methods of test and the required test results for AIS Base Stations. The testing is divided into
three sections, the transceiver tests, the logical tests and the Presentation Interface tests.
These are captured in Clauses 8, 9 and 10 respectively. The method used for testing is that
the EUT should meet all the tests requirements of Clause 8 before proceeding to Clause 9.
Likewise, the unit should meet all of the test requirements before proceeding to Clause 10.
Clause 10 has also been prioritised so that the tests are progressive
Clauses 5 to 7 provide functional requirement information and Clause 8 provides the general
test environment for the EUT.

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62320-1 © IEC:2007(E) – 7 –
MARITIME NAVIGATION AND RADIOCOMMUNICATION
EQUIPMENT AND SYSTEMS –
AUTOMATIC IDENTIFICATION SYSTEM (AIS) –

Part 1: AIS Base Stations –
Minimum operational and performance requirements,
methods of testing and required test results



1 Scope
This part of IEC 62320 specifies the minimum operational and performance requirements,
methods of testing and required test results for AIS Base Stations, compatible with the per-
formance standards adopted by IMO Res. MSC.74 (69), Annex 3, Universal AIS. It incorpo-
rates the technical characteristics of non-shipborne, fixed station AIS equipment, included in
recommendation ITU-R M.1371 and IALA Recommendation A-124. Where applicable, it also
takes into account the ITU Radio Regulations. This standard takes into account other associ-
ated IEC international standards and existing national standards, as applicable.
This standard is applicable for AIS Base Stations. It does not include specifications for the
display of AIS data on shore.
2 Normative references
The following referenced documents are indispensable for the application of this document.
For dated references, only the edition cited applies. For undated references, the latest edition
of the referenced document (including any amendments) applies.
IEC 61108-1, Maritime navigation and radiocommunication equipment and systems – Global
navigation satellite systems (GNSS) – Part 1: Global positioning system (GPS) – Receiver
equipment – Performance standards, methods of testing and required test results
IEC 61162-1, Maritime navigation and radiocommunication equipment and systems – Digital
interfaces – Part 1: Single talker and multiple listeners
ITU-R M.1084-4, Interim solutions for improved efficiency in the use of the band 156-174 MHz
by stations in the maritime mobile service
ITU-R M.1371, Technical characteristics for an automatic identification system using time di-
vision multiple access in the VHF maritime mobile band
ITU-T O.153, Basic parameters for the measurement of error performance at bit rates below
the primary rate
IALA Recommendation A-124 on Automatic Identification System (AIS). Shore Station and
networking aspects relating to the AIS Service
IALA technical clarifications to ITU Recommendation ITU-R M.1371-1
RTCM SC104 – RTCM Recommended Standards for Differential GNSS (Global Navigation
Satellite Systems) Service

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– 8 – 62320-1 © IEC:2007(E)
3 Symbols and abbreviations
AIS Automatic Identification System
BER Bit Error Rate
BIIT Built-In Integrity Tests
BT Bandwidth Time product
CPU Central Processing Unit
DGNSS Differential Global Navigation Satellite System
EPFS Electronic position fixing system
EUT Equipment under test
FATDMA Fixed Access Time Division Multiple Access
GNSS Global Navigation Satellite System
IALA International Association of Marine Aids to Navigation and Lighthouse Authorities
IHO International Hydrographic Office
IMO International Maritime Organization
ITU International Telecommunications Union
kn Knots
MAC Medium Access Control
MKD Minimum Keyboard and Display
MMSI Maritime Mobile Service Identity
NM Nautical Mile
NRZI Non-Return to Zero Inverted
PER Packet Error Rate

P Carrier Power
c
PI Presentation Interface
PPS Pulse Per Second
PSS Physical Shore Station
RAIM Receiver Autonomous Integrity Monitoring
RATDMA Random Access Time Division Multiple Access
Rx Receive
TDMA Time Division Multiple Access
Tx Transmit
UTC Universal Time Co-ordinated
VDL VHF Data Link
VSWR Voltage Standing Wave Ratio
VTS Vessel Traffic Services
NOTE Abbreviations related to IEC 61162-1 are not included in the above list. For their meaning refer to that
standard and Annex A.
4 Functional layout of an AIS Base Station
4.1 General
The Base Station may be designed for dependent only operation or independent operation.
Both are under some control of the Physical Shore Station (PSS) as defined in the IALA Rec-
ommendation A-124.

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62320-1 © IEC:2007(E) – 9 –
– A dependent Base Station accesses the VHF data link (VDL) using only the combination of
linked TSA+VDM sentences (see Table 1), as provided by the PSS.
– An independent Base Station accesses the VDL using either the combination of linked
TSA+VDM sentences as provided by the PSS or by using internal control. When operated
as an independent Base Station the unit may be delegated certain autonomous functional-
ity under the supervisory control of the PSS.
The PSS, or external controlling entity, is responsible for Base Station configuration, trans-
mission scheduling, and processing of received information. Presentation Interface (PI) text
sentences are used to configure the Base Station, schedule message transmissions, and out-
put information.
When TSA and VDM sentences are used, the PSS is responsible for ensuring the integrity of
the VDL.
The tests in this standard are for all Base Stations. Additional tests for independent Base Sta-
tions are indicated by a note located at the beginning of each appropriate test section.
4.2 Functional block diagram of an AIS Base Station
Figure 1 shows the principal components of the AIS Base Station.

AIS Base Station
AIS TX
I/O
Controller
Options
Internal
Ext UTC
synchronisation
 sync
source
DGNSS
AIS RX
RTCM SC104
BIIT
AIS RX
Power supply
IEC  150/07

Figure 1 – Functional block diagram of an AIS Base Station
As a minimum, the following functional elements are required for the AIS Base Station:
• two multi-channel receivers;
• one multi-channel TDMA transmitter;
NOTE Since the minimum configuration of the AIS Base Station has only one transmitter, the AIS Base Sta-
tion cannot transmit on both AIS Channels (AIS A and AIS B) simultaneously.
• a controlling unit;
• an internal synchronisation source, which may also be used as a position sensor for inde-
pendent Base Stations. If used as a position source, the internal GNSS receiver shall
meet the appropriate requirements of IEC 61108-1;
• a Built-In-Integrity-Test unit (BIIT), which shall provide alarms;

Presentation interface

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– 10 – 62320-1 © IEC:2007(E)
• a power supply;
• a Presentation In
...