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Reply To: Calculation of Downtime of TRX in Ericss


Hello NK,

U said “TDWNSCAN is triggered as long as BCCH is active.”

Or (BDWNACC / TDWNSCAN) * 100 gives u the downtime percentage of BCCH channel. U see the problem ? if BCCH is inactive for 1 hour , this from your point of view will give us TDWNSCAN = 0, or BDWNACC will be 0 -> 0 / 0 = undefined.

TDWNSCAN is just a scan counter independant of the availabilty of BCCH, TCH. Even when BCCH is inactive , TDWNSCAN is scanned that is why u can get downtime of channels.