System Performance Statistics

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Contents
1 Introduction 1
1.1 Scope 1
1.2 Target Groups 1
1.3 Revision Information 2
1.4 Document Limitation 2
2 Capabilities 3
3 Performance Statistics Mechanisms 5
3.1 Counter Types 5
3.2 Counter Classification 6
3.3 Counter Activation 7
3.3.1 Statistics Profiles 7
3.3.2 Statistics Scanners 11
3.4 Counter Limitations 12
3.4.1 General 12
3.4.2 RNC Counter Dimensioning 12
3.4.3 Example on how to calculate the number of counters and
set the counter limits 14
3.4.4 RNC counter Optimization 15
3.5 Counter Collection 16
3.5.1 Statistical Data Mart 18
3.6 Mechanisms for Analysis 18
3.7 Main Changes in E******* WCDMA RAN P5 19
4 Radio Network Formulae 21
4.1 Introduction 21
4.2 Definitions and Explanations 21
4.3 Key Performance Indicators (KPI) 22
4.3.1 Accessibility 22
4.3.2 Retainability 27
4.3.3 Call Completion Success Rate (CCSR) 31
4.3.4 Integrity 32
4.3.5 System Utilization 37
4.3.6 Mobility 44
4.3.7 Availability 50
5 Transport Network Formulae 53
5.1 Introduction 53
85/1553-HSD 101 02/5 Uen C 2006-03-20
System Performance Statistics
5.2 Definitions and explanations 53
5.3 Counter values 53
5.4 Key Performance Indicators (KPI) 53
5.4.1 Physical Layer — Quality 53
5.4.2 Physical Layer — Traffic Volume 55
5.4.3 Virtual Path — Quality 56
5.4.4 Virtual Path — Traffic Volume 57
5.4.5 VC-layer — Quality 58
5.4.6 VC-layer — Traffic Volume 60
5.4.7 IMA 61
5.4.8 IP Data Link Layer 62
5.4.9 IP Network Layer 62
5.4.10 Aal2 63
5.4.11 UniSaal — Traffic Volume 64
5.4.12 UniSaal — Quality 65
5.4.13 NniSaal — Traffic Volume 65
5.4.14 NniSaal — Quality 65
5.4.15 MTP3b Signalling Link Usage 66
5.4.16 SCCP 66
5.4.17 Best Effort Service 67
6 TN counters used in WCDMA 69
7 Glossary 79
Reference List 81