BS-EN-60835-2-11-1997 IEC-60835-2-11-1996.pdf
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1、BRITISH STANDARD BS EN 60835-2-11: 1997 IEC 835-2-11: 1996 Methods of Measurement for equipment used in digital microwave radio transmission systems Part 2: Measurements on terrestrial radio-relay systems Section 11: Cross-polarization interference canceller The European Standard EN 60835-2-11:1997
2、has the status of a British Standard ICS 33.060.30 Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 11 09:49:52 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 60835-2-11:1997 This British Standard, having been prepared under the direction of the Electrotechnical Sector Board, was published unde
3、r the authority of the Standards Board and comes into effect on 15 July 1997 BSI 09-1999 ISBN 0 580 27481 0 National foreword This British Standard is the English language version of EN 60835-2-11:1997. It is identical with IEC 835-2-11:1996. The UK participation in its preparation was entrusted to
4、Technical Committee EPL/102, Equipment used in mobile services and satellite communication systems, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and kee
5、p the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references Attention is drawn to the fact that Annex ZA list normative referenc
6、es to international publications with their corresponding European publications. The British Standards which implement these international or European publications may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or using the “Fin
7、d” facility of the BSI Standards Electronic Catalogue. 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 itself confer immunity from legal
8、 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 16 and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table
9、on the inside front cover. Amendments issued since publication Amd. No.DateComments Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 11 09:49:52 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 60835-2-11:1997 BSI 09-1999i Contents Page National forewordInside front cover Foreword2 Text of EN 608
10、35-2-113 Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 11 09:49:52 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ii blank Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 11 09:49:52 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 60835-2-11 Janu
11、ary 1997 ICS 33.060.30 Descriptors: Telecommunications, radiocommunications, communication equipment, radio-relay systems, microwave frequencies, digital technic, measurements, characteristics English version Methods of measurement for equipment used in digital microwave radio transmission systems P
12、art 2: Measurements on terrestrial radio-relay systems Section 11: Cross-polarization interference canceller (IEC 835-2-11:1996) Mthodes de mesure applicables au matriel utilis pour les systmes de transmission numrique en hyperfrquence Partie 2: Mesures applicables aux faisceaux hertziens terrestres
13、 Section 11: Dispositifs dannulation du brouillage de polarisation croise (CEI 835-2-11:1996) Meverfahren fr Gerte in digitalen Mikrowellen-Funkbertragungssystemen Teil 2: Messungen an terrestrischen Richtfunksystemen Hauptabschnitt 11: Kreuzpolarisations- Interferenz-Unterdrcker (IEC 835-2-11:1996)
14、 This European Standard was approved by CENELEC on 1996-10-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical
15、 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 any other language made by translation under the responsibility of a CEN
16、ELEC 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, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norwa
17、y, Portugal, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B-1050 Brussels 1997 CENELEC All right
18、s of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60835-2-11:1997 E Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 11 09:49:52 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 60835-2-11:1997 BSI 09-1999 2 Foreword The text of document 12E/263/FDIS,
19、 future edition 1 of IEC 835-2-11, prepared by SC 12E, Radio-relay and fixed satellite communication systems, of IEC TC 12, Radiocommunications, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 60835-2-11 on 1996-10-01. The following dates were fixed: Annexes designat
20、ed “normative” are part of the body of the standard. In this standard, Annex ZA is normative. Annex ZA has been added by CENELEC. Endorsement notice The text of the International Standard IEC 835-2-11:1996 was approved by CENELEC as a European Standard without any modification. Contents Page Forewor
21、d2 1Scope3 2Normative reference3 3Static characteristics3 3.1C/N versus cross-polarization isolation (XPI) (flat fading condition)3 3.2XPI (or improvement factor) versus delay difference4 3.3XPI (or improvement factor) versus notch depth with dispersive signals5 4Dynamic characteristics5 4.1General
22、considerations5 4.2Method of measurement5 4.3Presentation of results6 4.4Details to be specified6 Annex ZA (normative) Normative references to international publications with their corresponding European publications16 Figure 1 Example of cross-polar interference canceller operation7 Figure 2 Exampl
23、e of the structure of cross-polar interference canceller8 Figure 3 Set-up for C/N versus XPI measurement9 Figure 4 Example for C/N versus XPI measurement result10 Figure 5 Set-up for XPI or improvement factor versus delay difference measurement11 Figure 6 Example of measurement results of XPI and of
24、 improvement factor versus delay difference12 Figure 7 Set-up for measurement of dispersive conditions13 Figure 8 Example of measurement results of XPI and improvement factor14 Figure 9 Illustration of sweep waveform for the measurement of dynamic characteristics15 Figure 10 Example of measurement r
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