BS-EN-60835-2-10-1993 BS-7573-2.10-1993 IEC-60835-2-10-1992.pdf
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1、BRITISH STANDARD BS EN 60835-2-10: 1993 BS 7573-2.10: 1993 IEC 835-2-10: 1992 Methods of measurement for equipment used in digital microwave radio transmission systems Part 2: Measurements on terrestrial radio-relay systems Section 2.10 Overall system performance The European Standard EN 60835-2-10:
2、1993 has the status of a British Standard UDC 621.396.7:621.317.083 Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 11 09:23:23 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 60835-2-10:1993 This British Standard, having been prepared under the direction of the Electronic Equipment Standards P
3、olicy Committee, was published under the authority of the Standards Board and comes into effect on 15 June 1993 BSI 01-2000 The following BSI references relate to the work on this standard: Committee reference EEL/25 Draft for comment 91/29838 DC ISBN 0 580 21854 6 Cooperating organizations The Euro
4、pean Committee for Electrotechnical Standardization (CENELEC), under whose supervision this European Standard was prepared, comprises the national committees of the following countries: AustriaItaly BelgiumLuxembourg DenmarkNetherlands FinlandNorway FrancePortugal GermanySpain GreeceSweden IcelandSw
5、itzerland IrelandUnited Kingdom Amendments issued since publication Amd. No.DateComments Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 11 09:23:23 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 60835-2-10:1993 BSI 01-2000i Contents Page Cooperating organizationsInside front cover National fo
6、rewordii Foreword2 Introduction3 1Scope3 2Normative references3 3Bit-error ratio (BER)3 4Jitter5 5Acceptable input interruption5 6Verification of protection switching operation5 Annex ZA (normative) Other international publications quoted in this standard with the references of the relevant European
7、 publications8 National annex NA (informative) Committees responsibleInside back cover National annex NB (informative) Cross-referenceInside back cover Figure 1 Illustration of interference sources in three-channel radio-relay system6 Figure 2 Presentation of carrier-to-noise ratio degradation by tw
8、o bit-error ratio (BER) functions6 Figure 3 Effect of co-channel interference and adjacent-channel interference7 Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 11 09:23:23 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 60835-2-10:1993 ii BSI 01-2000 National foreword This British Standard has
9、 been prepared under the direction of the Electronic Equipment Standards Policy Committee and is the English language version of EN 60835-2-10:1993 Methods of measurement for equipment used in digital microwave radio transmission systems Part 2: Measurements on terrestrial radio-relay systems: Secti
10、on 10 Overall system performance, published by the European Committee for Electrotechnical Standardization (CENELEC). It is identical with IEC 835-2-10:1992 published by the International Electrotechnical Commission (IEC). BS EN 60835 is published in three Parts. The other Parts are: Part 1: Measure
11、ments common to terrestrial radio-relay systems and satellite earth stations; Part 3: Measurements on satellite earth stations. Some of the many Sections of the three Parts have appeared under the number BS 7573, of the same generic title. Copies of International Radio Consultative Committee (CCIR)
12、documents may be purchased through BSI Sales, Linford Wood, Milton Keynes, MK14 6LE. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of its
13、elf confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, the EN title page, pages 2 to 8, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorpora
14、ted. This will be indicated in the amendment table on the inside front cover. Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 11 09:23:23 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 60835-2-10 January 1993 UDC 621.396.7:621.317.083 Descriptors:
15、 Radiocommunications, radio equipment, microwave frequencies, digital transmission, radio-relay systems, measurement English version Methods of measurement for equipment used in digital microwave radio transmission systems Part 2: Measurements on terrestrial radio-relay systems Section ten Overall s
16、ystem performance (IEC 835-2-10:1992) Mthodes de mesure applicables au matriel utilis pour les systmes de transmission numrique en hyperfrquence Partie 2: Mesures applicables aux faisceaux hertziens terrestres Section dix Performance globale du systme (CEI 835-2-10:1992) Meverfahren fr Gerte in digi
17、talen Mikrowellen-Funkbertragungssystemen Teil 2: Messungen an terrestrischen Richtfunksystemen Hauptabschnitt zehn Leistungsdaten des Gesamtsystems (IEC 835-2-10:1992) This European Standard was approved by CENELEC on 1992-06-16. CENELEC members are bound to comply with the CEN/CENELEC Internal Reg
18、ulations which stipulate the conditions for giving this European Standard the status of a national 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. T
19、his European Standard exists in three official versions (English, French, German). A version in 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 memb
20、ers are the national electrotechnical committees of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Committee for Electrotechnical Standardization Comit Eu
21、ropen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B-1050 Brussels 1993 Copyright reserved to CENELEC members Ref. No. EN 60835-2-10:1993 E Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 11 09:23:23 GMT+00:00 2006, U
22、ncontrolled Copy, (c) BSI EN 60835-2-10:1993 BSI 01-2000 2 Foreword The text of document 12E(C0)145, as prepared by sub-committee 12E, Radio relay and fixed satellite communications systems, of IEC technical committee 12, Radiocommunications, was submitted to the IEC-CENELEC parallel vote in August
23、1991. The reference document was approved by CENELEC as EN 60835-2-10 on 16 June 1992. The following dates were fixed: Annexes designated “normative” are part of the body of the standard. In this standard, Annex ZA is normative. latest date of publication of an identical national standard(dop) 1993-
24、12-01 latest date of withdrawal of conflicting national standards(dow) 1993-12-01 Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 11 09:23:23 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 60835-2-10:1993 BSI 01-20003 Introduction In previous sections of IEC 835-2 measurement methods for paramete
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