TBF Establishment Success Rate (%):

 

Formula: The number of Downlink TBF successful establishment / The number of Downlink TBF establishment Attempts

Huawei Formula :

TBF Establishment Success Rate (%)

=100 * (1- ((Number of Failed Downlink GPRS TBF Establishments due to No Channel + Number of Failed Downlink EGPRS TBF Establishments due to No Channel) / (Number of Downlink GPRS TBF Establishment Attempts+ Number of Downlink EGPRS TBF Establishment Attempts)))

=100*(1- ((A9103+ A9303)/( A9101+ A9301)))

 

Number of Failed Downlink GPRS TBF Establishments due to No Channel

A9103: DOWN_GPRS_TBF_ESTB_FAIL_NO_CHAN_RESP

This measurement provides the number of failed downlink GPRS TBF establishments due to no channel in a granularity period.

 

Number of Failed Downlink EGPRS TBF Establishments due to No Channel

A9303: DOWN_EGPRS_TBF_ESTB_FAIL_NO_CHAN_RES

This measurement provides the number of failed downlink EGPRS TBF establishments due to no channel in a granularity period.

 

Number of Downlink GPRS TBF Establishment Attempts

A9101: DOWN_GPRS_TBF_ESTB_ATMP

This measurement provides the number of downlink GPRS TBF establishment attempts

 

Number of Downlink EGPRS TBF Establishment Attempts

A9301: DOWN_EGPRS_TBF_ESTB_ATMP

This measurement provides the number of downlink EGPRS TBF establishment attempts in a granularity period.

 

 

Thanks for the useful doc & counters.

This document is very well done

useful document, thanks