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Reply To: Huawei_KPI

#58464
Bijoy
Guest

TCH Call Drop Rate without HO (CDR)
=Call Drop Ratio on TCH per cell(Excluding Handover) = [Call Drops on the Traffic Channels] x {100}/([Successful TCH Seizures (Traffic Channel)] + [Successful Incoming Internal Inter-Cell Handovers] + [Successful Incoming External Inter-Cell Handovers] – [Successful Outgoing Internal Inter-Cell Handover] – [Successful Outgoing External Inter-Cell Handovers])

Dual-Band HO Success Rate
=([Successful Dual-Band Handovers per BSC]/[Dual-Band Handover Requests per BSC])*{100}

Dual-Band Handover Requests =

[Incoming Internal Inter-Cell Handover Requests (SDCCH) (900/850-1800/1900)] +

[Incoming Internal Inter-Cell Handover Requests (TCH) (900/850-1800/1900)] +

[Incoming External Inter-Cell Handover Requests (SDCCH) (900/850-1800/1900)] +

[Incoming External Inter-Cell Handover Requests (TCH) (900/850-1800/1900)] +

[Outgoing External Inter-Cell Handover Requests (SDCCH) (Excluding Directed Retry) (900/850-1800/1900)] +

[Outgoing External Inter-Cell Handover Requests (TCHF) (Excluding Directed Retry) (900/850-1800/1900)] +

[Outgoing External Inter-Cell Handover Requests (TCHH) (Excluding Directed Retry) (900/850-1800/1900)] +

[Outgoing External Inter-Cell Handover Requests (Directed Retry) (900/850-1800/1900)] +

[Incoming Internal Inter-Cell Handover Requests (SDCCH) (1800/1900-900/850)] +

[Incoming Internal Inter-Cell Handover Requests (TCH) (1800/1900-900/850)] +

[Incoming External Inter-Cell Handover Requests (SDCCH) (1800/1900-900/850)] +

[Incoming External Inter-Cell Handover Requests (TCH) (1800/1900-900/850)] +

[Outgoing External Inter-Cell Handover Requests (SDCCH) (Excluding Directed Retry) (1800/1900-900/850)] +

[Outgoing External Inter-Cell Handover Requests (TCHF) (Excluding Directed Retry) (1800/1900-900/850)] +

[Outgoing External Inter-Cell Handover Requests (TCHH) (Excluding Directed Retry) (1800/1900-900/850)] +

[Outgoing External Inter-Cell Handover Requests (Directed Retry) (1800/1900-900/850)]

Successful Dual-Band Handovers =

([Incoming Internal Inter-Cell Handover Requests (SDCCH) (900/850-1800/1900)] +

[Incoming Internal Inter-Cell Handover Requests (TCH) (900/850-1800/1900)] +

[Incoming External Inter-Cell Handover Requests (SDCCH) (900/850-1800/1900)] +

[Incoming External Inter-Cell Handover Requests (TCH) (900/850-1800/1900)] +

[Outgoing External Inter-Cell Handover Requests (SDCCH) (Excluding Directed Retry) (900/850-1800/1900)] +

[Outgoing External Inter-Cell Handover Requests (TCHF) (Excluding Directed Retry) (900/850-1800/1900)] +

[Outgoing External Inter-Cell Handover Requests (TCHH) (Excluding Directed Retry) (900/850-1800/1900)] +

[Outgoing External Inter-Cell Handover Requests (Directed Retry) (900/850-1800/1900)] +

[Incoming Internal Inter-Cell Handover Requests (SDCCH) (1800/1900-900/850)] +

[Incoming Internal Inter-Cell Handover Requests (TCH) (1800/1900-900/850)] +

[Incoming External Inter-Cell Handover Requests (SDCCH) (1800/1900-900/850)] +

[Incoming External Inter-Cell Handover Requests (TCH) (1800/1900-900/850)] +

[Outgoing External Inter-Cell Handover Requests (SDCCH) (Excluding Directed Retry) (1800/1900-900/850)] +

[Outgoing External Inter-Cell Handover Requests (TCHF) (Excluding Directed Retry) (1800/1900-900/850)] +

[Outgoing External Inter-Cell Handover Requests (TCHH) (Excluding Directed Retry) (1800/1900-900/850)] +

[Outgoing External Inter-Cell Handover Requests (Directed Retry) (1800/1900-900/850)] –

([Failed Incoming Internal Inter-Cell Handovers (SDCCH) (900/850-1800/1900)] +

[Failed Incoming Internal Inter-Cell Handovers (TCH) (900/850-1800/1900)] +

[Failed Incoming External Inter-Cell Handovers (SDCCH) (900/850-1800/1900)] +

[Failed Incoming External Inter-Cell Handovers (TCH) (900/850-1800/1900)] +

[Failed Outgoing External Inter-Cell Handovers (SDCCH) (900/850-1800/1900)] +

[Failed Outgoing External Inter-Cell Handovers (TCHF) (900/850-1800/1900)] +

[Failed Outgoing External Inter-Cell Handovers (TCHH) (900/850-1800/1900)] +

[Failed Outgoing External Inter-Cell Handovers (Directed Retry) (900/850-1800/1900)] +

[Failed Incoming Internal Inter-Cell Handovers (SDCCH) (1800/1900-900/850)] +

[Failed Incoming Internal Inter-Cell Handovers (TCH) (1800/1900-900/850)] +

[Failed Incoming External Inter-Cell Handovers (SDCCH) (1800/1900-900/850)] +

[Failed Incoming External Inter-Cell Handovers (TCH) (1800/1900-900/850)] +

[Failed Outgoing External Inter-Cell Handovers (SDCCH) (1800/1900-900/850)] +

[Failed Outgoing External Inter-Cell Handovers (TCHF) (1800/1900-900/850)] +

[Failed Outgoing External Inter-Cell Handovers (TCHH) (1800/1900-900/850)] +

[Failed Outgoing External Inter-Cell Handovers (Directed Retry) (1800/1900-900/850)])

Call Setup Success rate (CSSR)
=[([Success Rate of Call Setup (Immediate Assignment)/{100}) x ([Success Rate of TCH Assignment]/{100}) x (1 – ([Call Drop Rate on SDCCH]/{100})) x {100}