1、 IEC 62320-3 Edition 1.0 2015-01 INTERNA TIONAL STA NDA RD Maritime nav igation and radiocommunication equipment and sy stems Automatic identification system(AIS)Part 3:Repeater stations Minimum operational and performance requirements Methods of test and required test results IEC 62320-3:2015-01(en
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11、r Serv ice Centre:csciec.ch.Copyright International Electrotechnical Commission IEC 62320-3 Edit ion 1.0 2015-01 INTER NA TIONAL STA NDA R D Maritime nav igation and radiocommunication equipment and sy stems Automatic identification sy stem(AIS)Part 3:R epeater stations Minimum operational and perfo
12、rmance requirements Methods of test and required test results INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 47.020.70 ISBN 978-2-8322-2237-9 R egist er ed tr ademar k of t he Inter national Electr ot echnical Commission Warning!Make sure that you obtained this publication from an authorized distribu
13、tor.colourinsideCopyright International Electrotechnical Commission 2 IEC 62320-3:2015 IEC 2015 CONTENTS FOREWORD.6 INTRODUCTION.8 1 Scope.9 2 Normative references.9 3 Symbols and abbreviations.10 4 Functional requirements for a repeater station.11 4.1 General.11 Types of repeater stations.11 4.1.1
14、Repeating operation.11 4.1.2 Synchronisation.12 4.1.3 Access to the VDL.12 4.1.4 Configuration.13 4.1.54.2 Functional block diagram of an AIS repeater station.13 4.3 Repeating rules.14 General repeating rules.14 4.3.1 Repeater station use of repeat indicator.15 4.3.2 Duplicate message filtering.15 4
15、.3.3 Content filtering.16 4.3.4 Reporting interval filtering.19 4.3.5 Channel filtering.19 4.3.6 Filtering procedure.19 4.3.7 Message processing.21 4.3.8 Overload protection.21 4.3.9 Slot selection using RSSI RSSI measurement.22 4.3.104.4 Message scheduling.22 Station report.22 4.4.1 Repeater statio
16、n identification message structure.23 4.4.2 Broadcast active AIS-SART message.24 4.4.3 Configuration parameters.24 4.4.44.5 Repeater station input/output sentence formatters.29 5 Performance requirements.30 5.1 Cyclic redundancy check.30 5.2 Physical layer requirement.30 Transmitter requirements.30 5.2.1 Receiver requirements.34 5.2.2 Power consumption.34 5.2.3 Environmental requirements.35 5.2.45.3 Link layer requirements.35 6 Functional tests.35 6.1 Configuration tests.35 Factory default setti