CISPR TR 31-2012 Database on the characteristics of radio services《无线电服务特征数据库》.pdf

1、 CISPR/TR 31 Edition 2.0 2012-09 TECHNICAL REPORT RAPPORT TECHNIQUE Database on the characteristics of radio services Base de donnes des caractristiques des services radiolectriques CISPR/TR31:2012INTERNATIONAL SPECIAL COMMITTEE ON RADIO INTERFERENCE COMIT INTERNATIONAL SPCIAL DES PERTURBATIONS RADI

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16、TECHNICAL REPORT RAPPORT TECHNIQUE Database on the characteristics of radio services Base de donnes des caractristiques des services radiolectriques INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE K ICS 33.100.10 PRICE CODE CODE PRIX ISBN 978-2-83220-362-0 INTERN

17、ATIONAL SPECIAL COMMITTEE ON RADIO INTERFERENCE COMIT INTERNATIONAL SPCIAL DES PERTURBATIONS RADIOLECTRIQUES Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from

18、an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. colourinside 2 TR CISPR 31 IEC:2012 CONTENTS FOREWORD . 3 1 Scope . 5 2 Normative references . 5 3 General 5 4 Outline of database 5 5 Input to database . 8 6 Usage of database

19、 . 8 Annex A (informative) Reporting form 9 Bibliography 10 Table 1 Explanation of columns in the spreadsheet 5 Table 2 Example based on the principles defined in Table 1 7 Table A.1 Reporting form . 9 TR CISPR 31 IEC:2012 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ DATABASE ON THE CHARACTERISTICS

20、 OF RADIO SERVICES 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 international co-operation on all questions concerning sta

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27、ormity assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any services carried out by independent certification bodies. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall attach to IEC or its dire

28、ctors, 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 expenses arisin

29、g out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications. 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 dr

30、awn 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. The main task of IEC technical committees is to prepare International Standards. However, a technical committ

31、ee may propose the publication of a technical report when it has collected data of a different kind from that which is normally published as an International Standard, for example “state of the art“. CISPR 31, which is a technical report, has been prepared by CISPR subcommittee H: Limits for the pro

32、tection of radio services. This second edition cancels and replaces the first edition published in 2003. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) replacement of CISPR 23 as reference stan

33、dard for the determination of limits by CISPR 16-4-4:2007 on “model for the calculation of limits for the protection of radio services“. 4 TR CISPR 31 IEC:2012 The text of this technical report is based on the following documents: Enquiry draft Report on voting CISPR/H/228/DTR CISPR/H/234/RVC Full i

34、nformation on the voting for the approval of this technical report 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. The committee has decided that the contents of this publication will remain uncha

35、nged until the stability 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. IMPORTANT The colour inside logo on the cover page of th

36、is publication indicates that it contains colours which are considered to be useful for the correct understanding of its contents. Users should therefore print this document using a colour printer. TR CISPR 31 IEC:2012 5 DATABASE ON THE CHARACTERISTICS OF RADIO SERVICES 1 Scope This Technical Report

37、 covers the rationale behind the actual database covering the characteristics of radio services. The database is a “living document” in the format of a spreadsheet file in the EMC Zone of the IEC web site (http:/www.iec.ch/emc/database). The objective of the database is to register those characteris

38、tics which are relevant for derivation and specification of limits for disturbance emissions from electric and/or electronic equipment, systems and installations. Committees responsible for generic and/or product emission EMC standards should use this information together with CISPR 16-4-4. 2 Normat

39、ive references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) a

40、pplies. CISPR 16-4-4:2007, Specification for radio disturbance and immunity measuring apparatus and methods Part 4-4: Uncertainties, statistics, and limit modelling Statistics of complaints and a model for the calculation of limits for the protection of radio services 3 General The database content

41、is comprised of objective radio system characteristics and subjective information on typical intended usage. 4 Outline of database The explanation of the columns in the spreadsheet is given in Table 1. Table 1 Explanation of columns in the spreadsheet Characteristics Explanation/purpose Radio system

42、 (name) Identification of the system Reference document (specification) Reference to the system specification Receiving frequency band (MHz) Frequency band in MHz specified by the band edge frequencies Field strength to protect or sensitivity Typically the lowest useable field strength or specified

43、sensitivity in dB(V/m) Protection ratio R (dB) Ratio of the minimum useable field strength for the wanted RF signal to the maximum acceptable level of an interfering signal Receiving antenna gain Gr (dB) Typical gain in dB in the main lobe of an antenna intended for use with a system Receiving bandw

44、idth Brec (kHz) Bandwidth in kHz between “3 dB” points Isolation distance d (m) Typical distance in m between a receiver and a likely source of interference 6 TR CISPR 31 IEC:2012 Characteristics Explanation/purpose Systematic isolation Is (dB) Typical extra isolation in dB because, for example, of

45、typical installation practice Existing number of units Estimated number of units (expressed as less than 100, or 100 up to 1 million or 1 million) Is it fixed or mobile? Is the typical application mobile or is it fixed? If both then state both Duty cycle (is the equipment always on, in stand-by or u

46、sed off and on?) Percentage of time where the receiver is active Modulation Modulation scheme and duplex/simplex system Is it a safety-related service? Is the service part of a security- or safety system? Characteristics of most harmful interference (modulation/bandwidth) An indication of what type

47、of interference is the most harmful, e.g. broadband, narrowband, pulsed, CW etc. Output power and effective radiated power (ERP) Transmitter output power or ERP from an integrated system in W Antenna characteristics (maximum gain) if different from the RX antenna Typical gain in dB in the main lope

48、of an antenna intended for use with the system Usage area (country and/or region) Is the typical area of use restricted to one country, region or is it worldwide TR CISPR 31 IEC:2012 7 An example ofthe tablebased on the aboveprinciplesisgiveninTable2.Table2 Examplebasedon theprinciplesdefined in Tab

49、le1Radio system(name)Reference document(specification)Receivingfrequencyband MHzFieldstrength toprotector sensitivityEodBV/mProtectionratioR dBReceivingantennagainGr dBReceivingband-widthBreckHzIsolationdistance d mSystema-ticisolationIsdBExistingnumberof unitsIsitfixedormobile?Receiveroperating period (istheequipmentalwayson, in stand-byorusedoff andon?)ModulationIsitasafety-relatedserviceCharacteristics ofmostharmfulinterference(m