Abstract-GSM network operators use Key Performance Indicators (KPIs) to evaluate their network performance and the Quality of Service (QoS) with reference to end user perspective. In the present work, optimization of GSM network is analyzed using drive test results. Network optimization process is introduced and then network optimization using antenna parameter setting is analyzed, finally the impact of incorrect antenna parameter setting on network optimization is illustrated. GSM network RF performance evaluation is presented based on some major KPIs such as Call set up success rate (CSSR), Call Drop Rate (CDR), Handover Success Rate (HSR) and Traffic channel (TCH) congestion rate.
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