UTRAN Optimisation Process

UTRAN Optimisation Process
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  NORTEL NETWORKS CONFIDENTIAL June 02 Arnaud PIAZZA UMTS UTRAN Optimisation Process Internal Use Only  Presentation name - 2 NORTEL NETWORKS CONFIDENTIAL Agenda ã  Introduction ã  Pre-launch Optimisation process ã  Monitoring&Optimisation process ã  Costs ã  Impacts ã  Tools  Presentation name - 3 NORTEL NETWORKS CONFIDENTIAL ã Optimisation aims at improving the network performance and/or capacity.  To improve the system initial performance  To reach acceptance criteria (=>payment)  To enhance the subscriber satisfaction  To increase the number of subscribers  To decrease CAPEX ã Methods may differ for :  – Pre-launch optimisation (performed for acceptance, trials)  – Post-launch monitoring and optimisation (performed for in-service networks)  Non loaded networks optimisation (for first product releases)  Loaded networks (normally from product release 4) Introduction Why optimising a network? Pre-launch phases Post-launch phases  Presentation name - 4 NORTEL NETWORKS CONFIDENTIAL Introduction Optimisation phases    T  r   i  a   l   V   O  Network Launch Pre-launch Optimisation   Post-launch Optimisation     No network load (traffic limited)   Cluster optimisation based mainly on drive tests data   High optimisation gains   Significant network load (increasing)   Optimisation based mainly on statistical data (counters, Call Trace)   Optimisation gain is less (but baseline performance are higher).
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