IEC_62320-1-2009.pdf

IEC 62320-1Edition 1.1 2009-05INTERNATIONAL STANDARD 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 62320-1:2007+A1:2008(E)THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2009 IEC,Geneva,Switzerland All rights reserved.Unless otherwise specified,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 either IEC or IECs member National Committee in the country of the requester.If you have any questions about IEC copyright or have an enquiry about obtaining additional rights to this publication,please contact the address below or your local IEC member National Committee for further information.IEC Central Office 3,rue de Varemb CH-1211 Geneva 20 Switzerland Email:inmailiec.ch Web:www.iec.ch About the IEC The International Electrotechnical Commission(IEC)is the leading global organization that prepares and publishes International Standards for all electrical,electronic and related technologies.About IEC publications The technical content of IEC publications is kept under constant review by the IEC.Please make sure that you have the latest edition,a corrigenda or an amendment might have been published.?Catalogue of IEC publications:www.iec.ch/searchpub The IEC on-line Catalogue enables you to search by a variety of criteria(reference number,text,technical committee,).It also gives information on projects,withdrawn and replaced publications.?IEC Just Published:www.iec.ch/online_news/justpub Stay up to date on all new IEC publications.Just Published details twice a month all new publications released.Available on-line and also by email.?Electropedia:www.electropedia.org The worlds leading online dictionary of electronic and electrical terms containing more than 20 000 terms and definitions in English and French,with equivalent terms in additional languages.Also known as the International Electrotechnical Vocabulary online.?Customer Service Centre:www.iec.ch/webstore/custserv If you wish to give us your feedback on this publication or need further assistance,please visit the Customer Service Centre FAQ or contact us:Email:csciec.ch Tel.:+41 22 919 02 11 Fax:+41 22 919 03 00 IEC 62320-1Edition 1.1 2009-05INTERNATIONAL STANDARD 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 INTERNATIONAL ELECTROTECHNICAL COMMISSION CNICS 47.020.70 PRICE CODEISBN 2-8318-1017-1 Registered trademark of the International Electrotechnical Commission 2 62320-1 IEC:2007+A1:2008(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.23 7 Functional definition of the presentation interface of the AIS Base Station.24 7.1 Physical requirements for the presentation interface.24 7.2 Presentation interface data exchange.24 8 Tests of AIS Base Stations method of measurement and required results.24 8.1 Test conditions.24 9 Physical radio tests.28 9.1 Transceiver protection test.28 9.2 TDMA transmitter.28 9.3 TDMA receivers.36 9.4 Conducted spurious emissions at the antenna.45 10 Functional tests for Base Station.45 10.1 Pre-set-up.46 10.2 Normal operation.47 10.3 Intentional slot reuse(link congestion).74 10.4 Comment Block Encapsulation.75 Annex A(normative)Additional AIS Base Station sentences.77 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 62320-1 IEC:2007+A1:2008(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.29 Figure 8 Measurement arrangement.30 Figure 9 Modulation spectrum for slotted transmissi