3G Network QoS and Performance Management
Course Overview
This course aims to impart knowledge of Quality of Service class existing in 3G network over the RAN. These are explained after thorough discussion on the structure and architecture of WCDMA network. Quality is discussed from end customer perspectives to enable engineers from the operators’ and regulators’ side to understand the underlying issues that degrade a network quality.
Performance measurement tools and techniques allow the quantification of the problems and solutions. Definition and reporting of KPIs will also be covered to benchmark operators on common grounds.
Target Audience
- Regulatory and Enforcement Engineers
- Network Performance and QoS Engineers
- Technical Managers
- Development Engineers
- Radio Network Engineers
- Professionals who are required to know about UMTS, how it works and how it is deployed
Duration & Training Format
Instructor-Led Training
- Classroom: 5 days
- LIVE Virtual*: 35 hours
*Note:
- A minimum of 6 or more participants are required for a company-based LIVE Virtual course to commence
- LIVE Virtual courses can be conducted for 5 hours or 7 hours daily. Please note that the number of training days will be extended if you opt for 5 hours daily.
Upcoming Course Dates
There are no upcoming course dates currently scheduled for this course. If you are keen on attending this course, please register your interest and indicate your preferred start/end training dates via our course enquiry form for us to open a Classroom/LIVE Virtual class schedule for this course.
Course Objectives
At the end of this course, participants will be able to:
- Describe the fundamentals of Quality of Service (QoS)
- Describe the architecture and design of WCDMA networks
- Collect and present statistical data of these measurements
- Explain and use QoS techniques to assess network performance
- Know what techniques and methods to use for operator benchmarking and comparative analysis
- Be able to differentiate key steps in improving network performance and QoS
- Know which parameters are key to optimize to increase 3G performance
Key Benefits
Participants will learn state-of-the-art knowledge on 3G QoS, performance, regulatory knowledge areas, benchmarking, and parameter optimization.
Course Outline
- UMTS QoS (Quality of Service)
- How is Network Quality Defined?
- How is the Subscriber Satisfied with the Overall Service?
- QoS Classes
- Conversational
- Streaming
- Interactive
- Background
- UMTS Bearers
- UMTS – Hierarchy of Bearers
- Radio Access Bearer (RAB), Radio Bearer and Iu Bearer
- Mapping of UMTS Bearer Services into RAB Services
- UMTS Signaling
- Famous Protocols – RANAP, RNSAP, NBAP, RRC, RLC, MAC
- UMTS Call flow – End to End Successful Call
- Layer 3 Signaling
- RRC Protocol Functions
- RRC States
- Layer 3 Procedures
- System Information Blocks (BCH)
- Measurement Procedures
- RRC Connection Establishment
- Radio Bearer Setup
- Active Set Update
- Radio Bearer Reconfiguration
- Transport Channel Reconfiguration
- Physical Channel Reconfiguration
- RRC Connection Release
- Example Voice Call Flow (MOC)
- Example PS R99 Call Flow
- Example HSDPA Call Flow
- Example IRAT Handover (PS)
- CS IRAT Handover (Core Perspective)
- Example HSDPA / FACH Iur Handover
- Some Abnormal Cases
- UMTS Benchmarking and Cluster Optimization
- Optimization Overview
- Optimization Process Flow
- Pre-Launch Network Optimization
- Drive Test Based Optimization Process
- Cluster and Network Acceptance KPIs
- RF Cluster Optimization Process Flow – Drive Test Data
- Cluster Identification Process
- General Measurement Collection Guidelines
- Drive Route Creation
- Types of Measurements
- Commonly Used Measurement Tools
- Basic Drive Test Equipment Setup
- Cluster Unloaded and Loaded Drive Test Cases
- Market Optimization Configurations
- Cluster Acceptance Process
- RF Optimization Process Flow – Drive Test Data
- RF Performance Reporting
- RF Coverage Check: Delta Plot
- Coverage Check: RSCP Verification
- RF Coverage Check: RSCP Scan for SC
- Verification of Swapped Feeders or Other Issues
- Ec/Io Verification
- Pilot Pollution Analysis
- UL Coverage Verification
- Data Analysis Flow
- Analysis – Neighbor List Verification
- Combined Neighbor Lists
- Neighbor List Combination for Intra-frequency HOs
- Soft Handover Optimization
- Voice Call Analysis
- Network Problems
- RF Planning Problems
- Tool Problems
- Other Issues
- Performance Excellence – Process, KPIs, QoS, Statistical Analysis
- Why do we need Statistics?
- General Tuning Process
- Monitoring the Network Performance
- Where can Information about the Network Quality be Collected?
- How is Network Quality Defined?
- Key Performance Indicators Describing the Radio Network Performance
- Results of the Performance Monitoring (Statistics)
- Performance Analysis (Statistics, Field Measurement and Recordings)
- Performance Optimization Process
- Performance Statistics
- Performance Recordings for RAN – UETR, CTR
- General Performance Event Handling (GPEH)
- User Interface of RANOS PM Administration and Data Collection Functionality
- Performance Statistics Counter Types
- Peg Counter (PEG)
- Accumulator Counter (ACC)
- Scan Counter (SCAN)
- PDF Measurements (PDF)
- Discrete Distributed Measurements (DDM)
- Calculated Statistics Counters
- RNC Counters Groups and Counters
- Traffic Volume
- Paging
- RRC Connection Set-Up and Release
- RAB Establishment and Release
- Admission
- Congestion
- Handover Statistics
- Channel Quality
- Soft / Softer Handover
- Capacity Management
- Code Control
- Cell Updating
- Inter-RAT Handover
- Inter-RAT Cell Change
- Compressed Mode
- RBS Counter Groups and Counters
- Power Control
- RACH Channels
- Hardware Statistics
- KPIs and Formulas
Pre-requisites
Some knowledge of GSM network components is recommended.
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