It is impossible to predict the exact performance of a network once it has been implemented, so it will always be necessary to make minor adjustment to the network. Network optimization is an important element of a network’s lifecycle compromising of pre-launch network optimization and post launch network performance optimization. Network performance optimization involves finely tuning the network after the configuration faults are eliminated by selecting appropriate network parameters to achieve the set QoS targets.
A network after commissioning and testing needs continuous monitoring to optimize the following parameters :
• Traffic
• Traffic deviation
• Traffic mixture
• Soft handover percentage
• Average TX power
• Average RX power
• Drop calls
• Interference
• Handovers per cell
• Inter-system handovers
• Throughput
• Bit error rate and frame error rate
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