Introduction
Introduction
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1. Overview of 5G Accessibility KPIs
Introduction to 5G network performance metrics
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What are accessibility KPIs
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2. 5G Architecture and Network Registration Process
High-level 5G system architecture
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5G SA initial access and registration procedure
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Call setup flow in 5G: Overview
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Call setup steps: Detailed
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3. The First Handshake: Random Access Channel (RACH)
What is random access
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RACH functions and mapping
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Preamble formats sequence
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Preamble formats: Long sequence
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PRACH long sequence: Cell radius calculation
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Preamble formats: Short sequence
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PRACH short sequence: Cell radius calculation
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RACH parameters
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Preamble formats and cell radius
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How RACH root sequences works
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KPIs for RACH
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Importance of RACH
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Improving random access efficiency
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Optimizing RACH: Dynamic preamble allocation
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RACH impact on 5G use cases
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4. Establishing Control: Radio Resource Control (RRC)
Initial access procedure
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Radio resource control (RRC)
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RRC states
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UE state transitions
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RRC idle and connected state
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RRC setup success rate
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Service related KPIs
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RRC reconfiguration success rate
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RRC connection reestablishment
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RRC related timer T301
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RRC related timer T310
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Timer parameters and values
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RRC inactive profiles
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RRC connection establishment counters
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RRC connection release analysis
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Advanced RRC KPIs correlations
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5. Getting on the Network: The Registration Process
5G NR registration process
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UE registration messages
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Network registration success rate
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Registration failure rate
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Mean time to registration
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Registration abnormality rate
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Network slice selection assistance information (NSSAI)
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Network slice selection during registration
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AMF selection and NSSAI handling in 5G registration
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NW slice registration success rate
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Mean registered subscribers
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Registration failures: Root causes
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6. Setting Up the Service Path: PDU Sessions and QoS
Context setups in 5G
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Initial context setup flow
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Context setup success rate KPI
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PDU session establishment
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Interfaces during PDU establishment
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PDU session establishment success rate
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QoS fundamentals
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QoS flow setup measurement points
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PDU session and QoS flow management
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QoS flow setup success rate
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7. The Data Pipeline: Data Radio Bearers (DRB)
Data radio bearer fundamentals
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DRB KPIs
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8. The Complete Picture of Accessibility KPI
CSSR
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Putting it all together: The accessibility KPI cheat sheet
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Conclusion
Next steps: Pathways to other key KPIs
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Conclusion
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