Radio access network optimisation (RAN optimisation) can be defined as the set of activities that are required in an already active wireless communications network in order to improve or maintain performance.
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Improvements can be defined in terms of any combination of coverage, capacity and service quality. The ultimate goal of the RAN optimisation process is the same as in planning: to satisfy subscribers through preventing and resolving complaints while avoiding unnecessary investments in costly infrastructure expansions and new site additions. The general way to achieve this goal is the same as in planning: proper choice of parameter settings.
Atoll and its Live module support a number of RAN optimisation use cases where the combination of predictions and measurements provide key advantages: identify congestion areas where additional capacity is needed, tune antennas and network parameters, plan neighbours and codes (LTE and 5G NR PCI, UMTS Scrambling codes). The Atoll ACP (Automatic Cell Planning) module can use KPIs, cell traces and crowdsourced data to optimise the network and select the best sites for small cells.
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