Evaluation and Empirical Modeling of Call setup success rate and Call Completion Rate

Abstract

The Quality of Service (QoS) rendered by mobile communication network is
pivotal to the economic development of any country. Therefore, considering the
quality of service in Nigeria mobile communication network is not out of place.
This study focuses on the evaluation and empirical modeling of the Call Setup
Success Rate (CSSR). The research method is divided into three unique sections:
evaluation of Call Setup Success Rate (CSSR), measurement of Call Setup Success
Rate (CSSR) using the old Engineering Faculty and medical college area in
Ekpoma town. Additionally, modeling of Call Setup Success Rate (CSSR) is based
on the obtained data from the area under investigation. Measurement was carried
out from two basic points, considering the attitudes and longitudes of two points
respectively. Three mobile network operators were considered for this study, MTN
NG, GLO NG and AIRTEL NG, six different mobile phones were deployed, along
with ten stopwatches. Calls are initiated from MTN to GLO and Airtel, to
determine the respective CSSR using a stopwatch. Additionally, the process was
repeated from GLO to MTN and Airtel, and lastly from Airtel to MTN and GLO.
This procedure is of subjective nature, where ten (10) evaluators with their
stopwatches are made to record CSSR time independently. The corresponding
results are averaged, and the outputs are presented in graphical format. It was
observed that the CSSR obtained is not deterministic in nature due to poor signal
strength level, and the CSSR flow pattern can best be described as a logarithmic
distribution pattern based on the developed empirical model. Furthermore, it was
observed that the call setup success rate is at a minimum when calls are setup
within the same.