KPI | Formula |
---|---|
SDCCH Availability | 100*(ave_sdcch_sub/res_av_denom3)/((ave_sdcch_sub/res_av_denom3)+ave_non_avail_sdcch) |
SDCCH Blocking Rate | 100*(sdcch_busy_att/sdcch_seiz_att) |
SDCCH Drop Rate | 100*(sdcch_radio_fail+sdcch_rf_old_ho+sdcch_user_act+sdcch_bcsu_reset+sdcch_netw_act+ sdcch_bts_fail+sdcch_lapd_fail+sdcch_a_if_fail_call_sdcch_a_if_fail_old)/((sdcch_assign+ sdcch_ho_seiz)–(sdcch_abis_fail_call+sdcch_abis_fail_old)) |
SDCCH Traffic | (ave_busy_sdcch/res_av_denom15) |
TCH Availability | 100*((ave_avail_tch_sum/ave_avail_tch_den)+(ave_GPRS_channels_sum/ave_GPRS_channels_den))/((ave_avail |
TCH Traffic | (ave_busy_tch/res_av_denom14) |
TCH Blocking Rate | 100*((tch_call_req–tch_norm_seiz)–(msc_o_sdcch_tch+bsc_o_sdcch_tch+cell_sdcch_tch)+tch_succ_seiz_for_dir |
Drop Call Rate | 100(tch_radio_fail+tch_rf_old_ho+tch_abis_fail_call+tch_abis_fail_old+tch_a_if_fail_call+tch_a_if_fail_old+ tch_tr_fail+tch_tr_fail_old+ tch_lapd_fail+tch_bts_fail+tch_user_act+tch_bcsu_reset+ tch_netw_act+tch_act_fail_call)/ (tch_norm_seiz(msc_i_sdcch_tch+bsc_i_sdcch_tch+ cell_sdcch_tch)+tch_seiz_due_sdcch_con+(msc_i_tch_tch+bsc_i_tch_tch)–(msc_o_tch_tch+bsc_o_tch_tch)) |
Call Set-up Failure Rate | 100–((100– SDCCH blocking rate)*(100–SDCCH drop rate)*(100–TCH blocking rate)) |
HO Failure Rate | 100*((msc_o_tch_tch_at+msc_o_sdcch_tch_at+msc_o_sdcch_at+bsc_o_tch_tch_at+bsc_o_sdcch_tch _at+bsc_o_sdcch_at+cell_tch_tch_at+cell_sdcch_tch_at+cell_sdcch_at(msc_o_succ_ho+bsc_o_succ_ho+ cell_succ_ho))/(msc_o_tch_tch_at+ msc_o_sdcch_tch_at+msc_o_sdcch_at |
HO Failure Rate (Blocking Successful) | 100*((msc_o_tch_tch_at+msc_o_sdcch_tch_at+msc_o_sdcch_at+bsc_o_tch_tch_at+bsc_o_sdcch_tch_at+ bsc_o_sdcch_at+cell_tch_tch_at+cell_sdcch_tch_at+cell_sdcch_at)– (msc_o_succ_ho+bsc_o_succ_ho+cell_succ_ho)–(msc_o_fail_lack+bsc_o_fail_lack+cell_fail_lack))/(msc_o_tch_tch_at+msc_o_sdcch_tch_at+ msc_o_sdcch_at+ |