Congestion Ratio on SDCCH per CELL (due to Busy)

Measurement Counter

RR370: CELL_RATE_SD_CONG

Description

This measurement provides the ratio of the number of times that all SDCCHs are busy to the total number of requests for the SDCCH. In the immediate assignment procedure or handover procedure, this counter is incremented by one when no idle SDCCH is available upon the MS requests or MSC requests.

Unit

%.

Measurement Point

Refer to Failed SDCCH Seizures due to Busy SDCCH and SDCCH Seizure Requests.

Formula

Congestion Ratio on SDCCH per CELL(due to Busy) = [Failed SDCCH Seizures due to Busy SDCCH] x {100}/[SDCCH Seizure Requests]

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