EN 50401-2006 en Product standard to demonstrate the compliance of fixed equipment for radio transmission (110 MHz - 40 GHz) intended for use in wireless telecommunication networks.pdf

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1、BRITISH STANDARD BS EN50401:2006Product standard to demonstrate the compliance of fixed equipment for radio transmission (110 MHz 40 GHz) intended for use in wireless telecommunication networks with the basic restrictions or the reference levels related to general public exposure to radio frequency

2、electromagnetic fields, when put into serviceICS 17.220.20; 33.070.01nullnull nullnullnullnullnullnullnull nullnullnullnullnullnullnull nullnullnull nullnullnullnullnullnullnullnullnullnull nullnullnullnullnullnull nullnull nullnullnullnullnullnullnullnullnull nullnull nullnullnullnullnullnullnullnu

3、llnull nullnullnull+A1:2011National forewordThis British Standard is the UK implementation of EN 50401:2006, incorporating amendment 1:2011. It supersedes BS EN 50401:2006, which is withdrawn.The start and finish of text introduced or altered by amendment is indic-ated in the text by tags. Tags indi

4、cating changes to CENELEC text carry the number of the CENELEC amendment. For example, text altered by CENELEC amendment A1 is indicated by !“.The UK participation in its preparation was entrusted to Technical Committee GEL/106, Human exposure to low frequency and high frequency electromagnetic radi

5、ation.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity

6、 from legal obligations.BS EN 50401:2006+A1:2011This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 July 2006 BSI 2011Amendments/corrigenda issued since publicationDate Comments 30 November 2011 Implementation of CENELEC amendment A1:2011ISBN

7、978 0 580 74930 8EUROPEAN STANDARD EN 50401:2006+A1NORME EUROPENNE EUROPISCHE NORM C E N E L E C European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050

8、Brussels 2006 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.Ref. No. EN 50401:2006 EICS 17.220.20; 33.070.01 English version Product standardto demonstrate the compliance of fixed equipment for radio transmission (110MHz - 40 GHz)intended fo

9、r use in wireless telecommunication networks with the basic restrictions or the reference levelsrelated to general public exposure to radio frequencyelectromagnetic fields, when put into serviceNorme produit pour dmontrer la conformit des quipements fixes de transmission radio (110 MHz - 40 GHz), de

10、stins une utilisation dans les rseaux de communication sans fil, aux restrictions de base ou aux niveaux de rfrence relatives lexposition des personnes aux champs lectromagntiques de frquence radio, lors de leur mise en service Produktnorm zum Nachweis der bereinstimmung von stationren Einrichtungen

11、 fr Funkbertragungen (110 MHz bis 40 GHz), die zur Verwendung in schnurlosen Telekommunikationsnetzen vorgesehen sind, bei ihrer Inbetriebnahme mit den Basisgrenzwerten oder den Referenzwerten bezglich der Exposition der Allgemeinbevlkerung gegenber hochfrequenten elektromagnetischen Feldern This Eu

12、ropean Standard was approved by CE NELEC on 200 5-12-06. CENELEC members are bound to comply w i t h t h e C E N / C E N E L E C I n t e r n a l R e g u l a t i o n s w h i c h s t i p u l a t e t h e c o n d i t i o n s f o r g i v i n g t h i s E u r o p e a n S t a n d a r d the status of a natio

13、nal standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in

14、 any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Cyprus, the Czech Republi

15、c, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. October 2011 - 2 -ForewordThis European Standardwa

16、s prepared by Technical Committee CENELEC TC106X, Electromagneticfields in the human environment.The text of the draft was submitted to the formal vote and was approved by CENELEC asEN 50401 on 2005-12-06.The following dates werefixed: latest dateby which the EN has to be implemented at national lev

17、el by publication ofan identical national standard or byendorsement (dop) 2007-01-01 latest date by whichthe national standards conflictingwith the EN have to be withdrawn (dow) 2009-01-01This European Standardhas been prepared under amandate given to CENELEC by the European Commission and the Europ

18、ean Free Trade Association and covers essential requirements ofEC Directive 1999/5/EC._Foreword to amendment A1 This document (EN 50401:2006/A1:2011) has been prepared by the Technical Committee CENELEC TC 106X, “Electromagnetic fields in the human environment”. The following dates are fixed: latest

19、 date by which the amendment has to be implementedat national level by publication of an identical national standard or by endorsement (dop) 2012-08-29 latest date by which the national standards conflicting with the amendment have to be withdrawn (dow) 2014-08-29 Attention is drawn to the possibili

20、ty that some of the elements of this document may be the subject of patent rights. CEN and CENELEC shall not be held responsible for identifying any or all such patent rights. _ BS EN 50401:2006+A1:2011 EN 50401:2006+A1:2011 (E)- 3 Contents1Scope.42Normative references.43Definitions44Exposure limits

21、.55Compliance assessment.56Documentation.6!Text deleted“- BS EN 50401:2006+A1:2011 EN 50401:2006+A1:2011 (E)- 4 -1 Scope This product standard applies t o base stations as defined in Clause3, operating in the frequenc yrange 110 MHz to 40GHz. The objective of the standard isto verify that such produ

22、ct complieswith the basic restrictions directly or via compliance with reference levels related to the g eneralpublic exposure to radio frequency electromagnetic fieldsin the frequency range 100 kHzto40 GHz, where the general pu blic has access and when it is put into service in its operationalenvir

23、onment. 2 Normativereferences The following referenced documents are indispensable for the application of thisdocument. Fordatedreferences, on ly the editioncited applies. For undated references, the latest edition ofthereferenced document(including any amendments)applies.EN 50400, Basic standard to

24、 demonstrate the compliance of fixed equipmentfor radiotransmission (110 MHz-40 GHz) intended for use in wireless telecommunication networks withthe basic restrictions orthe reference levels related to general public exposure to radio frequency electromagnetic fields, when put into serviceCouncil Re

25、commendation 1999/519/EC of12July 1999 on the limitation of exposure of the generalpublic to electromagnetic fields (0Hz to 300 GHz) (Official Journal L 199 of30 July1999)3 Definitions Forthe purposesof thisdocument, the following terms and definitions apply.3.1 antenna device that serves as a trans

26、ducer between a guided wave (e.g. coaxial cable) and a free space wave, or vice versa. It can be used either to emit or to receive a radio signal. In the present standard, if not mentioned, the term antenna is used only for emitting antenna(s)3.2 average emittedpowerthe average emitted power is thet

27、ime-averaged rate of energy transfer defined by:=21)(112ttaep dttPttPwhere t 2 t 1 is the averaging time, tavg defined asa function of frequency in the CouncilRecommendation 1999/519/ECof 12 July 1999;P(t) is the power radiated bythe antenna at the maximum duty cycle of the equipment at themaximum p

28、ower setting of the equipment 3.3 base station (BS)fixed equipment for radio transmission used in cellular communication and/or wirelesslocal area networks. Point-to-point communication and point-to-multipoint communication equipmentintegral to the above networks are also included. For thepurpose of

29、 this standard,the term“base station”includes the radio transmitter(s) and the associated antenna(s)BS EN 50401:2006+A1:2011 EN 50401:2006+A1:2011 (E)- 5 -3.4 basic restrictionrestrictions on exposure to time - varying electric, magnetic, and electromagnetic fields th at arebased directly on establi

30、shed health effects. Depending upon the frequency of the field,thephysical quantitiesused to specify these restrictions are current density (J), specific absorptionrate (SAR) and power density ( S) 3.5 electric field strength ( E ) the magnitude of a field vector at a point that represents the f orc

31、e (F ) on a small test charge ( q ) divided by the charge E = FqElectric field strength is expressed in unitsof volt per meter (V/m)3.6 magneticfield strength (H) the magnitude of a field vectorin a point that results in a force ( F ) on a charge q movingwiththe velocity vF = q ( v H )The magneticfi

32、eld strength is expressed in units of amperes per meter(A/m)3.7 power densitythe radiant power incident perpendicular to a surf ace, divided by the area of the surface. The power density is expressed in units of watt persquaremeter (W/m)3.8 reference levelreference levels are provided for the purpos

33、e of comparison with exposure quantities in air.Respect of the reference levels will ensure respect of the basic restriction. In the frequencyrange 110 MHz to 40GHz the reference levels are expressed as electric field strength, magneticfield strength and power density values4 Exposure limits The rel

34、evant limitsfor general public exposurespecified in the Council Recommendation1999/519/EC as Basic Restrictions or Reference Levels as well as conditions forsimultaneousexposure to multiple frequency fields shall apply forthe purpose of this standard.5 Compliance assessmentthe productIn countries in

35、 which the objective of this standard is embedded in a regulatory procedure for site certification, building permit or operation approval, e.g. in Germany, Italy or Switzerland, the limit values stipulated by this regulation shall be used. !“In countries in which the objective of this standard is em

36、bedded in a regulatory procedure for sitecertification, building permit or operation approval, e.g. in Germany, Italy or Switzerland, thecompliance assessment shall follow the requirements of this regulation, else when!“BS EN 50401:2006+A1:2011 EN 50401:2006+A1:2011 (E)is put into service i n its op

37、erational environment and operated in acc ordance wi th the manufacturers specification, it fulfils the requirements of this standard if the general public is not able to freely reach (because of access restrictions or because of the site configuration) any place in the vicinity of the emitting base

38、 station antenna(s) where the total exposure to emissions in the frequency range 100 kHz to 40 GHz may exceed the limits defined in Clause 4.- 6 -The product is deemed to comply withoutexposure assessment if the maximum average emittedpower for each antennaof theproduct is less than or equal to250 m

39、W, the maximum average emittedpower for each antennaof theproduct is less than or equal to1 W and the antenna(s) are in stalled according to the instructions providedby themanufacturerand suchthat the lowest radiating part of the antenna is at a height greaterthan or equal to 2mabove the general pub

40、lic walkway that gives general public access tothe volume within 2 mof the products antenna, otherwise, exposure shall be as sessed according toEN 50400 where the general public hasaccess and where the exposure resultingfromthe products RF emission is higher than 0,05 ofClause 4 limits. The assessme

41、nt results shall be compared directly to the exposure limits. 6 Documentation 1) a detailed description of the configuration of the base station in its operational environment(e.g. antenna(s) characteristics, feeders, connectors, combiners),2) all the information, methods and theiruncertainty usedto

42、determine exposure levels for the general public according to EN50400,3) general public access restrictions if any.The documentation may cover severalbase stationswith similar technical specifications and environmental conditions. If, in accordanceto Clause 5, the product whenput intoservice isdeeme

43、d to comply without exposure assessment, then the facts and conditions on which this classificationis based(according to the bullet pointsin Clause 5) shall be stated by the manufacturerin the userinstructions. No additional documentation is required inthese cases.The compliance documentation shall

44、follow national regulation, else include at least! “BS EN 50401:2006+A1:2011 EN 50401:2006+A1:2011 (E)This page deliberately set blankBSI GroupHeadquarters 389 Chiswick High Road, London, W4 4AL, UK Tel +44 (0)20 8996 9001 Fax +44 (0)20 8996 7001 standardsBSI - British Standards InstitutionBSI is t

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