LTE RAN Performance and Optimization

In this course, the main aspects of monitoring the performance of the LTE network and ensuring it is appropriately optimized are covered. This includes a recap of the LTE radio functionality, as well as exploring the main principles of performance monitoring. Areas such as Network Synchronization, call / session considerations and the main Accessibility, Retainability and Mobility KPIs will be examined. In conclusion, the subjects of Traffic and QoS Analysis, Cell Resources and Capacity Areas will be explored.

This course will contain the following sections:


  • Duration: 2 hours
  • Topic areas covered include
  • OFDMA/SC-FDMA
  • Radio Frame Structure
  • Channels and Signals
  • RRM Features
  • Power Management
  • Scheduling
  • LTE MIMO
  • QoS Architecture
  • QCI (QoS Class Identifier)
  • DRX/DTX Configuration Analysis
  • IRAT HO Procedure
  • IFHO Success Rate
  • IRAT Success Rate
  • Mobility Performance Statistics Examples
  • Activity
  • Idle and Connected Mode Mobility Configuration Analysis
  • Duration: 1.5 hours
  • Topic areas covered include
  • Counters and KPI Definitions´╗┐
  • Data Acquisition Process: Field Measurements and Signalling Events
  • Performance Management and Monitoring Cycle
  • KPI Classes and Hierarchy
  • Performance Monitoring Reports
  • Reports Examples: Cell Health Reports, Capacity Lists
  • Performance Management Based on Drive-Test Results
  • DRX/DTX Performance and Tuning
  • Activity
  • DRX/DTX Configuration Analysis
  • RLC and MAC PDU Volume and Traffic
  • RLC BLER
  • HARQ Retransmission Rate
  • CQI Measurements
  • Call Throughput
  • Call Retransmission Rate
  • Connection Delay and RTT Measurements
  • Traffic and Quality Performance Statistics Examples
  • Duration: 2 hours
  • Topic areas covered include
  • Cell Synchronization Procedure - PSS and SSS
  • PCI (Physical Cell Identity) Planning
  • Random Access Algorithm and Performance Monitoring
  • Dedicated and Common Preambles
  • PRACH Configuration Parameters
  • Activity
  • PCI Planning and PRACH Optimization
  • RLT Timers Fine Tuning
  • Duration: 2.5 hours
  • Topic areas covered include
  • E-UTRAN Bearer Architecture
  • Call and Session Normal and Abnormal Release Procedures
  • RRC and NAS States
  • UE Context (RRC) and E-RAB Drop Rate
  • UE Timers and Counters
  • Radio Link Time-out (RLT) Tuning
  • RRC Connection Re-establishment
  • DRX/DTX Performance and Tuning
  • Activity
  • DRX/DTX Configuration Analysis
  • RLC and MAC PDU Volume and Traffic
  • RLC BLER
  • HARQ Retransmission Rate
  • CQI Measurements
  • Call Throughput
  • Call Retransmission Rate
  • Connection Delay and RTT Measurements
  • Traffic and Quality Performance Statistics Examples
  • Duration: 2.5 hours
  • Topic areas covered include
  • RRC Setup Success Rate
  • Initial E-RAB and Additional E-RAB Setup Success Rate
  • Call and Session Setup Success Rate
  • Call and Session Setup Time
  • Duration: 2.5 hours
  • Topic areas covered include
  • Radio Link Failure
  • RRC Connection Drop Rate
  • UE Context Drop Rate
  • E-RAB Drop Rate
  • Call and Session Drop Rate
  • Retainability Performance Statistics Examples
  • Activity
  • RLT Timers Fine Tuning
  • Duration: 4.5 hours
  • Topic areas covered include
  • Cell Selection and Reselection Procedures
  • Idle-mode Mobility Tuning
  • UE Measurements
  • Measurement Events and Configuration
  • Measurement Gaps
  • Intra and Inter-frequency HO Procedure
  • X2 and S1 HO Procedure
  • Serving and Neighbours Radio Quality
  • Mobility Performance Counters and KPIs
  • Intra-freq. Mobility Tuning
  • IRAT HO Procedure
  • IFHO Success Rate
  • IRAT Success Rate
  • Mobility Performance Statistics Examples
  • Activity
  • Idle and Connected Mode Mobility Configuration Analysis
  • Duration: 4 hours
  • Topic areas covered include
  • User, Cell Edge and Cell Throughput
  • IP, PDCP and MAC Throughput
  • MCS and AMC (Adaptive Modulation and Coding)
  • UL Power Control Algorithm
  • UL Fractional Power Control Tuning
  • Adaptive Transmission Bandwidth (ATB)
  • UL Power Headroom Report (PHR)
  • RLC and HARQ Retransmission
  • RB Usage
  • Active UEs
  • RLC and MAC PDU Volume and Traffic
  • RLC BLER
  • HARQ Retransmission Rate
  • CQI Measurements
  • Call Throughput
  • Call Retransmission Rate
  • Connection Delay and RTT Measurements
  • Traffic and Quality Performance Statistics Examples
  • Duration: 2.5 hours
  • Topic areas covered include
  • Network Capacity Areas
  • UE States
  • DL and UL Physical Resource Blocks
  • DL and UL Radio Frames
  • PRB Usage
  • Active Users
  • Cell Load Control
  • RRC State Changes
  • Power Headroom
  • UL Adaptive Transmission Bandwidth
  • Capacity Performance Statistics Examples
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Duration 4 days
CPD Learning Credits 0

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