IEC 60835-2-10-1992 Methods of measurement for equipment used in digital microwave radio transmission systems part 2 measurements on terrestrial radio-relay sys.pdf

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1、NORME CE1 INTERNATIONALE IEC INTERNATIONAL 6083512-I O STANDARD Premire dition First edition 1992-1 2 Mthodes de mesure applicables au matriel utilis pour les systmes de transmission numrique en hyperfrquence Partie 2: Mesures applicables aux faisceaux hertziens terrestres Section 1 O: Performance g

2、lobale du systme Methods of measurement for equipment used in digital microwave radio transmission systems Part 2: Measurements on terrestrial radio-relay systems Section 1 O: Overall system performance Numro de rfrence Reference number CEI/IEC 60835-2-1 O: 1992 Numros des publications Depuis le ler

3、 janvier 1997, les publications de la CE1 sont numrotes partir de 60000. Publications consolides Les versions consolides de certaines publications de la CE1 incorporant les amendements sont disponibles. Par exemple, les numros ddition 1.0, 1.1 et 1.2 indiquent respectivement la publication de base,

4、la publication de base incorporant lamendement 1, et la publication de base incorporant les amendements 1 et 2. Validit de la prsente publication Le contenu technique des publications de la CE1 est constamment revu par la CE1 afin quil reflte ltat actuel de la technique. Des renseignements relatifs

5、la date de reconfir- mation de la publication sont disponibles dans le Catalogue de la CEI. Les renseignements relatifs des questions ltude et des travaux en cours entrepris par le comit technique qui a tabli cette publication, ainsi que la liste des publications tablies, se trouvent dans les docume

6、nts ci- dessous: Site web de la CEI* Catalogue des publications de la CEi Publi annuellement et mis jour rgulirement (Catalogue en ligne)* Bulletin de ia CE1 Disponible la fois au (site web, de la CEI* et comme priodique imprim Terminologie, symboles graphiques et littraux En ce qui concerne la term

7、inologie gnrale, le lecteur se reportera la CE1 60050: Vocabulaire Electro- technique International (VEI). Pour les symboles graphiques, les symboles littraux et les signes dusage gnral approuvs par la CEI, le lecteur consultera la CE1 60027: Symboles littraux d utiliser en lectrotechnique, la CE1 6

8、041 7: Symboles graphiques utilisables sur le matriel. Index, relev et compilation des feuilles individuelles, et la CE1 60617: Symboles graphiques pour schmas. Voir adresse site web, sur la page de titre. Numbering As from 1 January 1997 all IEC publications are issued with a designation in the 600

9、00 series. Consolidated publications Consolidated versions of some IEC publications including amendments are available. For example, edition numbers 1 .O, 1.1 and 1.2 refer, respectively, to the base publication, the base publication incor- porating amendment 1 and the base publication incorporating

10、 amendments 1 and 2. Validity of this publication The technical content of IEC publications is kept under constant review by the IEC, thus ensuring that the content reflects current technology. Information relating to the date of the reconfirmation of the publication is available in the IEC catalogu

11、e. Information on the subjects under consideration and work in progress undertaken by the technical committee which has prepared this publication, as well as the list of publications issued, is to be found at the following IEC sources: iEC web site* Catalogue of IEC publications Published yearly wit

12、h regular updates (On-line catalogue)* Available both at the IEC web site* and as a printed periodical IEC Bulletin Terminology, graphical and letter symbols For general terminology, readers are referred to I EC 60050: International Electrotechnical Vocabulary (IEV). For graphical symbols, and lette

13、r symbols and signs approved by the IEC for general use, readers are referred to publications IEC 60027: Letter symbols to be used in electrical technology, IEC 60417: Graphical symbols for use on equipment. Index, survey and compilation of the single sheets and IEC 60617: Graphical symbols for diag

14、rams. * See web site address on title page. NORME INTERNATIONALE CE1 IEC INTERNATIONAL 6083512-1 O STANDARD Premiere dition First edition 1992-1 2 Mthodes de mesure applicables au matriel utilis pour les systmes de transmission numrique en hyperfrquence Partie 2: Mesures applicables aux faisceaux he

15、rtziens terrestres Section 1 O: Performance globale du systme Methods of measurement for equipment used in digital microwave radio transmission systems Part 2: Measurements on terrestrial radio-relay systems Section 1 O: Overall system performance O IEC 1992 Droits de reproduction rservs -Copyright

16、 all rights reserved Aucune partie de cette publication ne peut any IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, governmental and non-governmental organizations liaising with the IEC also participate in this preparation. The IE

17、C collaborates closely with the International Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The formal decisions or agreements of the IEC on technical matters, prepared by technical committees on which all the National

18、Committees having a special interest therein are represented, express, as nearly as possible, an international consensus of opinion on the subjects dealt with. 3) They have the form of recommendations for international use published in the form of standards, technical reports or guides and they are

19、accepted by the National Committees in that sense. 4) In order to promote international unification, IEC National Committees undertake to apply IEC International Standards transparently to the maximum extent possible in their national and regional standards. Any divergence between the IEC Standard a

20、nd the corresponding national or regional standard shall be clearly indicated in the latter. International Standard IEC 835-2-1 O has been prepared by sub-committee 12E: Radio relay and fixed satellite communications systems, of IEC technical committee 12: Radiocommunications. Full information on th

21、e voting for the approval of this standard can be found in the report on voting indicated in the above table. -6- 835-2-1 O O CE1 INTRODUCTION Les mthodes de mesure applicables chaque paramtre des sous-ensembles du faisceau hertzien numrique ont t prsentes individuellement dans les sections prcdente

22、s de la CE1 835-2. Outre ces essais, il convient de mesurer la performance globale du systme complet par simulation. Ces essais concernant les deux paramtres de base des systmes de transmission numrique - le taux derreur sur les bits et la gigue - ainsi que la coupure admissible en entre et la vrifi

23、cation du fonctionnement de la commutation sur canal de secours. En effet, ces paramtres sont affects par la prsence de plusieurs canaux radiolectriques et/ou de plusieurs bonds radiolectriques en cascade. La mesure dautres paramtres, tels que les secondes sans erreur, le nombre de paquets derreur,

24、le nombre de blocs errons, en cours dtude dans dautres organismes internationaux, peut galement tre requise. 835-2-1 O O IEC -7- INTRODUCTION In previous sections of IEC 835-2 measurement methods for parameters of the digital radio-relay system have been discussed separately for each part of the sys

25、tem. In addition to these tests, the overall performance of a complete simulated system should be tested. The tests cover the two basic parameters of digital transmission systems, bit-error ratio and jitter, as well as the acceptable input interruption and verification of the protection switching op

26、eration, which are all affected by the presence of more than one radio channel and/or radio hop. The measurement of other additional parameters such as error-free seconds, burst-error ratio, block-error ratio, which remain under consideration by other international organizations, may also be require

27、d. -8- 835-2-1 O O CE1 MTHODES DE MESURE APPLICABLES AU MATRIEL UTILIS POUR LES SYSTMES DE TRANSMISSION NUMRIQUE ENHYPERFRQUENCE Partie 2: Mesures applicables aux faisceaux hertziens terrestres Section dix - Performance globale du systme 1 Domaine dapplication La prsente section de la CE1 835-2 trai

28、te des mesures applicables par simulation dune liaison complte par faisceau hertzien numrique lors des essais de rception en usine et des essais dapprobation de type, les sous-ensembles du systme ayant t pralable- ment mesurs. II est indiqu ci-aprs pour chaque paramtre qui dtermine la performance gl

29、obale du systme sil convient ou non deffectuer la mesure sur lensemble des bonds mis en cascade selon la proprit cumulative ou non cumulative dudit paramtre. Dans la prsente section, laccent est mis sur les configurations mettre en oeuvre lors des mesures. Pour les mthodes, on se reportera aux futur

30、es sections spcifiques de la CE1 835-1 et de la CE1 835-2. 2 Rfrences normatives Les normes suivantes contiennent des dispositions qui, par suite de la rfrence qui y est faite, constituent des dispositions valables pour la prsente section de la CE1 835-2. Au moment de la publication, les ditions ind

31、iques taient en vigueur. Toute norme est sujette rvision et les parties prenantes des accords fonds sur la prsente section de la CE1 835-2 sont invites rechercher la possibilit dappliquer les ditions les plus rcentes des normes indiques ci-aprs. Les membres de la CE1 et de IISO possdent le registre

32、des Normes internationales en vigueur. CE1 835-1 -4: 1992, Mthodes de mesure applicables au matriel utilis pour les systmes de transmission numriques en hyperfrquence - Partie I: Mesures communes aux faisceaux hertziens terrestres et aux stations terriennes de tlcommunications par satellite - Sectio

33、n 4: Caractristiques de transmission. CE1 835-2-4: Mthodes de mesure applicables au matriel utilis pour les systmes de transmission numriques en hyperfrquence - Partie 2: Mesures applicables aux faisceaux hertziens terrestres - Section 4: metteur/rcepteur, modulateur/dmodulateur inclus. (En prparati

34、on) CE1 835-2-6: Mthodes de mesure applicables au matriel utilis pour les systmes de transmission numriques en hyperfrquence - Partie 2: Mesures applicables aux faisceaux hertziens terrestres - Section 6: Commutateurs de protection. (A ltude) CE1 835-2-8: Mthodes de mesure applicables au matriel uti

35、lis pour les systmes de transmission numriques en hyperfrquence - Partie 2: Mesures applicables aux faisceaux hertziens terrestres - Section 8: galisateurs adaptifs. (En prparation) Rapport 930-2 du CCIR: Objectifs de qualit de faisceaux hertziens numriques - Recommandations et rapports du CCIR, 1990, annexe au Volume IX - Partie 1.

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