Partial Cell Availability (node restarts excluded)This KPI measures system performance Since the KPI is measured by theRBS it does not include time when the RBS is down ie node restart timeis excludedThe length of time in seconds that a cell is available for service is defined ascell availability Cell availability for a cluster of M number of cells during Nreporting periods can be calculated using the following formula The countersare on cell level___ __________ 1048576__ _ ___ 1048576_ 10485761048576 1048576 ___ _ _________________ _ ____________1048576__ 10485761048576 1048576 ___Equation 14 Cell AvailabilityNote The manual blocking time of a cell is included in this KPI to show theoverall availability of the cell To remove the manual intervention impacton cell availability remove the PM counter pmCellDowntimeManfrom the numerator and subtract the value of the PM counterpmCellDowntimeMan from the denominatorNote If the files with the PM counters are missing the time that those filesrepresent in NxMx900 shall be excluded from Cell Availability result