IEC_CISPR_TR_16-4-4-2007.pdf

TECHNICAL REPORT CISPR16-4-4 Second edition2007-07Specification 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 Reference number CISPR 16-4-4/TR:2007(E)INTERNATIONAL SPECIAL COMMITTEE ON RADIO INTERFERENCE THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2007 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to search by a variety of criteria(reference number,text,technical committee,).It also gives information on projects,withdrawn and replaced publications.?IEC Just Published:www.iec.ch/online_news/justpub Stay up to date on all new IEC publications.Just Published details twice a month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.?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 TECHNICAL REPORT CISPR16-4-4 Second edition2007-07Specification 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 For price,see current catalogueXBCommission Electrotechnique InternationaleInternational Electrotechnical Commission PRICE CODE INTERNATIONAL SPECIAL COMMITTEE ON RADIO INTERFERENCE TR CISPR 16-4-4 IEC:2007(E)2 CONTENTS FOREWORD.4 1 Scope.6 2 Normative references.6 3 Terms and definitions.6 4 Statistics of complaints and sources of interference.7 4.1 Introduction and history.7 4.2 Relationship between radio frequency interference and complaints.7 4.2.1 Radio frequency interference to a fixed radio receiver.7 4.2.2 Radio frequency interference to a mobile radio receiver.7 4.2.3 Consequences of the move from analogue to digital radio systems.7 4.3 Towards the loss of a precious indicator:interference complaints.8 4.4 CISPR recommendations for collation of statistical data on interference complaints and classification of interference sources.8 4.5 Forms for statistics of interference complaints.9 5 A model for the calculation of limits.14 5.1 Introduction.14 5.1.1 Generation of EM disturbances.14 5.1.2 Immunity from EM disturbances.14 5.1.3 Planning a radio service.14 5.2 Probability of interference.15 5.2.1 Derivation of probability of interference.15 5.3 Circumstances of interferences.16 5.3.1 Close coupling and remote coupling.17 5.3.2 Measuring methods.18 5.3.3 Disturbance signal waveforms and associated spectra.20 5.3.4 Characteristics of interfered radio services.21 5.3.5 Operational aspects.22 5.3.6 Criteria for the determination of limits.23 5.4 A mathematical basis for the calculation of CISPR limits.27 5.4.1 Generation of EM disturbances(source of disturbance).27 5.4.2 Immunity from EM disturbances(victim receiver).28 5.5 Application of the mathematical basis.29 5.5.1 Radiation coupling.29 5.5.2 Wire-line coupling.30 5.6 Another suitable method for equipment in the frequency range 150 kHz to 1 GHz.38 5.6.1 Introduction.38 5.6.2 Derivation of limits.38 5.6.3 Application of limits.43 5.6.4 Overview of proposals for determination of disturbance limits for a given type of equipment.43 5.7 Rational for determination of CISPR limits in the frequency range above 1 GHz.44 5.7.1 Introduction.44 5.7.2 Consideration and estimated values of P1 to P7.45 5.7.3 Equivalent EMC environment below and above 1 GHz.51 TR CISPR 16-4-4 IEC:2007(E)3 5.7.4 Overview on parameters of radio communication services operating in the frequency range above 1 GHz and up to 16 GHz with effect to electromagnetic compatibility.52 Annex A Excerpt from CISPR Report No.31 Values of mains decouplin