A Data-Driven Customer Quality of Experience System for a Cellular Network

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Reference CDR </td><td class="align_center">Selected KPIs for connectivity quality</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">VoLTE CDR (8)</td><td class="align_center">Drop count/connect success rate/connect fail rate/drop rate/no Tx-RTP one-way-call defect/no Rx-RTP one-way-call defect/no Tx-RTP one-way-call defect rate/no Rx-RTP one-way-call defect rate</td></tr><tr><td class="align_left">SIP CDR (4)</td><td class="align_center">Initial-REGISTER fail count/initial-REGISTER success rate/periodic-REGISTER fail count/periodic-REGISTER success rate</td></tr><tr><td class="align_left">S1 CDR (12)</td><td class="align_center">Attach fail count/attach success rate/SRMO fail count/SRMO success rate/SRMT fail count/SRMT success rate/S1HO/TAU(A)/TAU(I) fail count/S1HO/TAU(A)/TAU(I) success rate</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-fn"><td>SRMO: service request mobile origination; SRMT: service request mobile termination; S1HO: S1 handover; TAU: tracking area update.<br/></td></tr></table>

Selection of variables for connectivity quality.

Mobile Information Systems

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Table 4

Table 4: A Data-Driven Customer Quality of Experience System for a Cellular Network 