COMPARATIVE EVALUATION OF THE QUALITY OF SERVICE (QoS) FOR THE GSM NETWORKS IN OLEH, DELTA STATE, NIGERIA

Summary

Global System for mobile Communication (GSM) is a telecommunication network that is used globally for
communication services such as voice communication, data connection for fax, short message service (SMS) and full
dial-up connection to the internet for e-mail and web browsing. The effectiveness of the GSM network depends largely
on the quality of its received signal strength; therefore, knowing the network with the best received signal strength (RSS)
in an area helps the subscribers in their communication-voice and data. In this paper, a comparative evaluation of the
Quality of Service (QoS) for the GSM networks (MTN, GLO, AIRTEL and ETISALAT) was carried out in Oleh, Delta
State. Measurements were taken at different sample points randomly selected within Oleh town. Intra and inter network
calls were initiated and maintained for 3 minutes (180sec), during which the received signal strength (in dBm) and Cell
identification (CID) of the various network operators were recorded using an installed Netmonitor software in a Tecno
phantom A3 Andriod phone for 30 days (ante meridiem and post meridiem).The results obtained from the evaluation
show that in Oleh town, MTN has the best quality of signal strength hence best quality of service followed by AIRTEL,
GLO and ETISALAT respectively for inter and intra network calls. It was also observed that the main town had a better
network coverage and service accessibility than its outskirts and neighbouring settlements during the period of this
investigation.

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