Statistical Evaluation of Quality of Service Offered by GSM Network Operators in Nigeria

The need for reliable connectivity places a serious challenge on mobile network operators, even as the number of connected things are expected to increase exponentially by 2020. In order to ensure the readiness of Nigeria to adopting emerging wireless technologies in smart cities, it becomes necessary to assess the level of compliance of mobile network operators to best international practices. In this paper, the Quality of Service (QoS) offered by GSM network operators in Nigeria was examined. Significant difference in the Key Performance Indicators (KPIs) of Airtel, Etisalat, Glo, and MTN was tested using the Analysis of Variance (ANOVA). In addition, Tukey Post hoc test was carried out to determine the extent of the variations among the four mobile network operators. Relative to the quality targets set by the Nigerian Communications Commission (NCC), analysis results show that all the mobile network operators maintain a good QoS across board. Nevertheless, the QoS offered to GSM subscribers in Nigeria significantly vary from one mobile network operator to another