End-to-End LTE UMTS GSM Network Optimization

GSM UMTS mobile network antenna on a building

This course provides a complete overview of the Quality of Service (QoS) and performance on the entire LTE UMTS GSM/GERAN, and 802.11 systems with an all-IP approach. It introduces participants to the performance and QoS towards a radio access and core IP networks that efficiently supports UMTS, LTE and 802.11 services.

The course will feature a comprehensive study of system performance with simulations and field trials. It will cover all the major features such as basic KPIs, QoS of voice, data, and multimedia applications in GSM, GPRS, EDGE, W-CDMA/UMTS, and LTE. The various technologies, signaling, end-to-end process, and the position of GERAN, CDMA, and W-CDMA/UMTS/LTE within such technologies will also be discussed.

This course will seek to develop participants’ understanding of what GSM, GPRS, EDGE, UMTS, HSPA, LTE are, their overview and architecture. It helps to develop their appreciation of how these technologies can be used to deliver value to customers and allows participants to explore the linkages between technological capabilities and end-to-end testing, auditing and improving performance.

This course is designed for Engineers, Technicians and Managers responsible for the planning, design, and operation of UMTS, LTE and GSM, UMTS networks and indoor design services.

Instructor-Led Training
  • 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.

At the end of the course, participants will:

  • Learn up-to-date information on the current 3GPP and 3GPP2, 802.11 standards and end-to-end auditing and KPIs
  • Become familiar with the features of the data standards and why and how it evolved
  • Learn about practical performance and deployment issues the processes, procedures, protocols and end-to-end signaling
  • Master the optimization and performance issues including counters and call flows

14 – 18 Aug 2023 (Mon – Fri), GMT +08:00
If you are keen on attending the above scheduled course, please register your interest via our course enquiry form.

1. LTE/UMTS/GSM System Architecture and QoS Criteria

  • EPS (LTE/SAE), UMTS, GERAN System Overview
  • Overall Mode of Operation
  • EPS Motives and Performance Targets
  • Relation to Legacy 3GPP Networks and other Networks
  • Interworking
  • QoS Aspects, Classes, and Parameters
  • Optimization White Communication, PCU/RNC Overload, NSS/MGW/SAE Optimization, Roaming, Signaling Links

2. Understanding Core and relating with Radio

  • Advanced Network Architecture and NAS Procedures
  • SGSN, GGSN – Attach, PDP Context, Default EPS Bearer and Dedicated EPS Bearer
  • EPC Nodes – MME, SGW, PGW, HSS, IMS
  • EPS Security
  • Main Protocols – NAS, GTP, DIAMETER
  • Bearers, Tunneling, and Quality of Service (QoS)
  • IP Multimedia Sub System – Sync between CS and PS Networks
  • Why do we need IMS for Implementing VoIP?
  • Security and Ciphering Techniques and what HSS has to do with it
  • QoS and what HSS has to do with it
  • PCEF and PCRF and what they have to do with CDR and Billing

3. Identities for CORE and Radio, Codes and IP Address (IPv4 and IPv6)

  • Spreading Principle and its Comparison with ODFMA
  • Channelization Codes and its Comparison with C-RNTI
  • Scrambling Codes and its Similarity with PCI
  • Similarities between Scrambling Code Planning and PCI Planning
  • Difference between Cell Identity and Physical Cell ID
  • Radio Network Temporary Identifiers (RNTIs) – C-RNTI, RA-RNTI, P-RNTI, SI-RNTI
  • Difference between S-TMSI and M-TMSI

4. Interworking Aspects between 2G 3G 4G and why all IP

  • Mobility between EPS and Legacy 3GPP Networks – (UTRAN and GERAN)
  • CS and PS Interworking Scenarios
  • Mobility between EPS and Non-3GPP Access Networks
  • Mobile IP
  • Access Network Discovery and Selection
  • Common Interfaces and Converged Core for all IP
  • Common Signaling, Registration, and Broadcast

5. Evolved Radio Network and Terminal

  • Radio Fundamentals – Fading, Modulation, Channels
  • Radio Resource Sharing – FDMA TDMA, CDMA, OFDM and OFDMA
  • Frequency Bands
  • Advanced Physical Layer Mechanisms – from SISO to MIMO
  • Mac – HS and eNode B Similarities, Functions and Improvements
  • Advancement in Terminal from MS to UE and Categories, Functions and Throughputs

6. UMTS, LTE and GSM Main Protocols and Procedures

  • Air Interface Physical Layer
  • GPRS Tunneling Protocol User Plane (GTP-U)
  • GTP-U Transport
  • Medium Access Control (MAC)
  • Non-Access-Stratum (NAS) Protocol
  • Packet Data Convergence Protocol (PDCP)
  • Radio Link Control (RLC)
  • Radio Resource Control (RRC)
  • S1 Application Protocol (S1AP)
  • S1 Layer 1
  • S1 Signaling Transport
  • X2 Application Protocol (X2AP)
  • X2 Layer 1
  • X2 Signaling Transport

7. UMTS HSPA LTE Performance Requirements

  • Data Rate
  • Cell Range
  • Cell Capacity
  • Mobility
  • Latency
  • Improved Spectrum Efficiency
  • Scalable Bandwidth
  • Multiple Access Schemes
  • Adaptive Modulation and Coding

8. UMTS, LTE, GSM Main Parameters

  • Preamble and Random Access Parameters
  • Cell Selection and Reselection Parameters
  • Measurement Control and Measurement Report Parameters
  • Power Control – Open Loop and Closed Loop Parameters
  • CS and PS Mobility Parameters
  • PS Packet size, QoS, CQI, TBS Parameters
  • RLC, LLC, USF, TCI Parameters
  • UDP/TCP Throughput UDP/TCP Throughput


  • Accessibility
  • Retainability
  • Integrity
  • Mobility

Note: A Certificate of Completion will only be issued upon achieving at least 75% attendance for the course.

A basic knowledge of GSM/CDMA, IP and data communication technology will be required.

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