Measurement Counter
ZTA03408:BSCRPT_VGCS_ASS_FAIL_NO_CH_RES
Description
During the establishment of the VGCS, the MSC sends a VGCS/VBS ASSIGNMENT REQUEST message to the BSC for setting up a VGCS TCH. This measurement provides the number of failed VGCS assignments due to channel unavailable. Along with the Unsuccessful VGCS Assignment and counters of other failed causes, this counter analyzes the cause of failed VGCS assignments in the BSC.
Unit
Integer number or integer.
Measurement Point
At the end of each granularity period, this counter is measured by using the following formula. For details, see Unsuccessful VGCS Assignment (No Radio Resource Available).
Formula
Failed VGCS Assignments per BSC (Channel Unavailable) = 
Unsuccessful VGCS Assignment (No Radio Resource Available)
(That is, the total of the counter Unsuccessful VGCS Assignment (No Radio Resource Available) in each cell of the BSC.)