ACCURATE PATH LOSS PREDICTION FOR EFFICIENT QUALITY OF SERVICE DELIVERY TO ENHANCE MOBILITY MANAGEMENT IN 4G NETWORK

Summary

The need to check and ensure that GSM Network Providers comply with Quality of Service (QoS) standard
in their networks in relation to the provisions of the regulatory authority motivated this research. Radio
frequency optimization is a periodic activity that is carried out to maintain QoS in a competitive market
environment. In this paper, Transverse Electromagnetic Wave Simulator (TEMS) was used in collecting data
(Drive Tests) related to – call setup success rate (CSSR), call drop rate (CDR), paging success rate (PSR),
grade of service (GoS), handover success rate (HOSR) etc; from 30 Base transceiver stations (BTS or BS)
within Awka Urban, Anambra Sate in Nigeria during a specified period of fifteen working days. The Path
Loss and Path Loss Exponent of the Test-Bed was verified to ascertain if it is in agreement with the
environment of interest and the Operation and Maintenance Centre Resources (OMCR) statistics and drive
test data gathered were analyzed using different graphs. The results of the investigation of performance of
Quality of Service offered by the network provider, Mobile Telecommunications Nigeria (MTN) in Awka
Urban, Anambra State in Nigeria showed high performance as the network was deployed in the appropriate
environment – Shadowed (Variegated) Urban Environment with Path Loss Exponent of 3.12.

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