LTE QoS and Performance Management
Course Overview
The goal of this training is to enable the participants to develop detailed understanding of LTE QoS mechanisms, functions of each network element and means to optimize them. Key Performance Indicators (KPIs) will be defined and analyzed in greater detail. It will help engineering teams to perform QoS planning, optimization and management. The radio access as well as core network aspects will be addressed (including 2G / 3G handover and WiFi offloading). The most critical applications will be discussed, such as VoIP and multimedia coupled with IMS and SIP
Target Audience
- Technical Managers who wish to understand the benefits and potential issues with QoS and QoE in LTE data networks
- Technical Managers who wish to understand the integration of 2G, 3G, WiFi and LTE, focusing on VoIP and multimedia applications
- Development, Network and Optimization Managers and Engineers that require a good working knowledge of LTE QoS-based planning and optimization.
Duration & Training Format
- Classroom: 5 days
- LIVE Virtual*: 35 hours
- 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
25 – 29 Nov 2024 (Mon – Fri), GMT +08:00
5 – 9 May 2025 (Mon – Fri), GMT +08:00
If you are keen on attending the above scheduled courses, please register your interest via our course enquiry form.
Course Objectives
At the end of this course, participants will be able to:
- Understand LTE, including motivation for its development, its history, and its capabilities
- Learn about radio access network functions
- Understand air interface resource allocation in order to provide the required QoS
- Learn about core network architecture and functions in great detail
- Understand EPS bearers and QoS applied to different bearers and data flows
- Define LTE KPIs
- Discuss quality from end-user perspective, i.e., Quality-of-Experience (QoE)
- Analyze VoIP and multimedia application specifics (including IMS and SIP)
- How to address capacity and/or coverage issues
- Learn about wide variety of options to optimize radio access, core and transport (backhaul) network to
meet QoS goals - Compare LTE versus 3G QoS mechanisms and optimization methodologies
- Learn how to use WiFi offloading to improve QoS
Key Benefits
Participants will gain state-of-the-art knowledge regarding LTE QoS performance, benchmarking, radio-access, as well as core network parameter optimization.
Course Outline
- LTE Introduction
- 3GPP Evolution
- Goals and Means
- Architecture
- LTE and Other Technologies
- Adoption and Future Trends
- LTE Radio Access Network Basics
- Physical Layer Overview
- Multiple Antenna Techniques
- Radio Access Resource Allocation and QoS
- Layer-2 and Layer-3 Protocols
- MAC, RLC, PDCP and RRC
- LTE Core Network Basics
- EPC
- Core Network Architecture
- Core Elements
- MME
- S/P-GW
- HSS
- PCRF
- GPRS Tunneling Protocol
- Roaming
- 2G / 3G Roaming
- IMS
- SIP
- Home eNB Interface
- WiFi Offloading
- LTE Bearers and QoS
- Bearers
- GBR
- Non-GBR
- Default
- Dedicated
- QoS Mechanisms
- Differentiation (Services and Users)
- Prioritization
- Admission Control
- Cell Reservations or Access Restrictions
- Cell Status
- Cell Barring
- Access Control
- Access Classes
- QCI–QoS Class Identifier
- Traffic Flow Template (TFT)
- Allocation Retention Priority (ARP)
- APN-AMBR – Aggregate Maximum Bit Rate
- UE-AMBR
- PCRF and QoS
- 2G / 3G Handover and QoS
- WiFi Offloading and QoS
- Applications and QoS
- VoIP
- VoLTE
- SIP and IMS for VoLTE
- Bearers for VoLTE
- Voice Quality Control and Enhancements (VQE)
- Multimedia Transcoding and Transrating
- Circuit-to-IP Conditioning
- IP-to-IP Conditioning
- KPIs and QoS
- Accessibility
- Retainability
- Mobility
- Integrity
- Latency
- Network KPIs
- Call Setup Success Rate, Call Drop Rate, Handover Success Rate
- Service KPIs (User Experience)
- Delay, Throughput
- KPIs From Counters
- KPI Probes
- Radio Access QoS Optimization
- Strategies
- Optimization Using Drive Tests
- Optimization Using Counters
- Antenna Features
- Identifying Capacity and Coverage Problems
- Radio Access QoS Optimization (Cont’d)
- Adding Small Cells
- Macro and Small Cell Optimization (Public or Home)
- Handover Optimization
- Inter-RAT Handover (2G / 3G and WiFi)
- Compare with 3G QoS Optimization Methodologies
- Core and Transport QoS Optimization
- QCI Mapping of Services (Using DPI-Deep Packet Inspection)
- Backhaul and QoS
- 2G / 3G and WiFi Network Interfaces and Handover Optimization
Note: A Certificate of Completion will only be issued upon achieving at least 75% attendance for the course.
Pre-requisites
Participants should have basic knowledge of 3G and LTE.
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