TOP 10 3G RAN Optimisation Actions Version 0.4

Jun 21st, 2015
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Alliant International University
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The aim of this document is to summarize how to • Investigate the reasons for poor 3G radio performance (call set-up failure, call drop), • Describe the potential reasons • Propose actions to improve performance (as top 10 optimisation actions)

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TOP 10 3G RAN Optimisation ActionsVersion 0.4Author(s):Pekka RantaTitle:TOP 10 3G Optimisation ActionsKey words:WCDMA optimisation, dominance, interference, throughputDepartment:NET/OSS/OS Performance, 3G Radio ProgramHISTORYDateVersionAuthor(s)Change /Notes27.02.20040.1PrantaFirst draft04.03.20040.2PrantaUpdated version04.03.20040.3S.IronsCombined AMR and Video common parameters. Editorial changes. Addes NetAct references.05.03.20040.4PrantaRadio Plan check added, UE performance check addedDistribution DateVersionDelivery27.02.20040.1Review team04.03.20040.2Review team05.04.20040.4NP Radio IntranetTable of contents1. Introduction42. Network planning rules for optimum performance43. Network health check53.1 BTS Alarms causing Blocked cells53.1.1 Fault in O&M and DSP SW interface53.1.2 ATM overflow53.1.3 DSC-bus failure63.1.4 Unit SW download failed63.1.5 WSP R-Bus Error63.1.6 No Connection to Unit63.2 Software and Parameter checks63.3 Neighbour Consistency checks63.4 Cell load checks73.5 RAN Counter and KPI checks73.5.1 Cell Availability73.5.2 RRC setup and access complete ratio73.5.3 RAB setup and access complete ratio73.5.4 RAB drop ratio83.6 UE Performance check84. Performance check with Field Measurements85. Top 10 optimisation activities to improve call performance95.1 Common Call Performance Issues95.2 Voice (AMR) specific performance Iss

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