IEC 62320-1 Edition 1.1-2009 Maritime navigation and radiocommunication equipment and systems - Automatic identification systems (AIS) - Part 1 AIS Base Stations - Minimum operatio.pdf

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1、 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 IEC62320-1:2007+A1:200

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9、ec.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 testin

10、g 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

11、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

12、 the radio interface of the AIS Base Station .13 5.1 General requirements of the physical layer13 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 Station14 5.4 Minimum requirements for the TDMA recei

13、vers 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

14、Functional definition of the presentation interface of the AIS Base Station24 7.1 Physical requirements for the presentation interface .24 7.2 Presentation interface data exchange24 8 Tests of AIS Base Stations method of measurement and required results24 8.1 Test conditions24 9 Physical radio tests

15、 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 Encapsulati

16、on 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 operation11 Figure 3 General processing diagram 17 Figure 4 General processing diagram 18 62320-1 IEC:2007+A1:200

17、8(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 transmission 25 kHz .30 Figure 10 Modulation spectrum for s

18、lotted transmission at optional 12,5 kHz.31 Figure 11 Measurement arrangement for modulation accuracy.32 Figure 12 Power versus time mask 34 Figure 13 Measurement arrangement.35 Figure 14 Measurement arrangement.36 Figure 15 Measurement arrangement.37 Figure 16 Measurement arrangement.38 Figure 17 M

19、easurement arrangement.39 Figure 18 PER/BER or SINAD measuring equipment .41 Figure 19 Measurement arrangement for inter-modulation .43 Figure 20 Measurement arrangement for blocking or de-sensitisation 44 Table 1 Base Station input/output sentence formatters 12 Table 2 Required parameter settings f

20、or 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 Station14 Table 5 Minimum required TDMA transmitter characteristics 15 Table 6 Minimum TDMA receiver characteristics15 Table 7 Base Station re

21、sponse to input messages from the VDL17 Table 8 Base Station response to input messages from the VDL19 Table 9 BIIT alarm conditions monitored by an AIS Base Station .23 Table 10 Content of first two packets .26 Table 11 Fixed PRS data derived from ITU-T O.153 26 Table 12 Maximum values of absolute

22、measurement uncertainties.27 Table 13 Definition of timings for Figure 1234 Table 14 Frequencies for inter-modulation tests.43 4 62320-1 IEC:2007+A1:2008(E) INTERNATIONAL ELECTROTECHNICAL COMMISSION _ MARITIME NAVIGATION AND RADIOCOMMUNICATION EQUIPMENT AND SYSTEMS AUTOMATIC IDENTIFICATION SYSTEM (A

23、IS) 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 Nation

24、al 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, Publi

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33、n 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 navigati

34、on and radiocommunication equipment and systems. This consolidated version of IEC 62320-1 consists of the first edition (2007) documents 80/460/FDIS and 80/468/RVD and its amendment 1 (2008) documents 80/522/CDV and 80/543/RVC. The technical content is therefore identical to the base edition and its

35、 amendment and has been prepared for user convenience. It bears the edition number 1.1. A vertical line in the margin shows where the base publication has been modified by amend-ment 1. 62320-1 IEC:2007+A1:2008(E) 5 This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.

36、 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 the base publication and its amendments will rema

37、in 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

38、 may be issued at a later date. 6 62320-1 IEC:2007+A1:2008(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. Carriag

39、e 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 s

40、hips 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

41、 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

42、 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 frequen

43、cy, to facilitate ac-curate tracking. Transmission of the data should be with the minimum involvement of ships 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 p

44、rovides 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 resp

45、ectively. 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 Cl

46、auses 5 to 7 provide functional requirement information and Clause 8 provides the general test environment for the EUT. 62320-1 IEC:2007+A1:2008(E) 7 MARITIME NAVIGATION AND RADIOCOMMUNICATION EQUIPMENT AND SYSTEMS AUTOMATIC IDENTIFICATION SYSTEM (AIS) Part 1: AIS Base Stations Minimum operational a

47、nd 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.

48、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 a

49、ccount 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, t