ITU E.421:1988
ITU E.421:1988 Service Quality Observations On A Statistical Basis
Table of Contents
1Definitions1.1Serviceobservation
1.2Manualobservation
1.3Automaticobservation
1.4Semi-automaticobservation
2Relativemeritsofmanual,automaticand
semi-automaticobservations
2.1Manualobservation
2.2Semi-automaticobservation
2.3Automaticobservation
3Timeofobservations
4Observationaccesspoints
5Numberofobservations
6Exchangeandanalysisoftheresultsofobservations
6.1Exchangeoftheresultsofobservations
6.2Analysisofobservationresults