Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Ensuring Sustainability of a Mobile Legacy Network by Improving Network KPIs using Six Sigma DMAIC Framework with AHP based Analysis

Version 1 : Received: 23 September 2021 / Approved: 24 September 2021 / Online: 24 September 2021 (08:29:36 CEST)

How to cite: Mishra, M.K.; Das, T.K.; Srinivasan, K.; Jayakody, D.N. Ensuring Sustainability of a Mobile Legacy Network by Improving Network KPIs using Six Sigma DMAIC Framework with AHP based Analysis. Preprints 2021, 2021090419 (doi: 10.20944/preprints202109.0419.v1). Mishra, M.K.; Das, T.K.; Srinivasan, K.; Jayakody, D.N. Ensuring Sustainability of a Mobile Legacy Network by Improving Network KPIs using Six Sigma DMAIC Framework with AHP based Analysis. Preprints 2021, 2021090419 (doi: 10.20944/preprints202109.0419.v1).

Abstract

Call set up success rate (CSSR) in a mobile network is an important quality parameter, which directly influences overall key performance indicators (KPIs) of the network service providers. Network KPIs especially the CSSR is the fraction of the attempts to make a call that result in a successful connection to the dialled number. Nevertheless, all call attempts do not end with a connection to the dialled number. In this research, six sigma methodology is applied to improve the call quality of a legacy mobile network and subsequently to boost comprehensive CSSR of a telecom service provider. This research elucidates an empirical study of improving overall CSSR by employing DMAIC methodology consisting of five stages, e.g. Define, Measure, Analysis, Improve and Control. In addition, analytic hierarchy process (AHP) technique is used for determining the vital causes out of all the identified network parameters affecting overall CSSR. Furthermore, the identified vital parameters are being upgraded in order to improve the overall CSSR and finally the system achieved a higher CSSR.

Keywords

analytic hierarchy process; call setup success rate; mobile network; quality of service; six sigma

Subject

MATHEMATICS & COMPUTER SCIENCE, Other

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