UMTS / WCDMA RF Planning and Network Optimisation


In this course, the candidate will understand UMTS network, architecture and its capability. Able to understand RF network design and capacity planning.

Candidate will be able to optimize RF , 3G services and quality parameters using KPI. At the end of workshop, vendor specific reports, traces and counters will be used to study and optimize the network.


Instructor led training , Conducted on regular and fast track program. Contact us.


Degree in Engineering with sound knowledge on GSM network and basic knowledge in UMTS /WCDMA is needed.

Who should attend:

Telecom professionals who are responsible for RF planning & design and deployment of UMTS network. This course is also intended for managers and engineers who are responsible for network optimization.

1. Introduction to 3G

  • Evolution to 3G

o    Requirements of 3G

    • 3G key characteristics
  • Genesis of UMTS
    • History of UMTS
    • UMTS requirements on 3G
    • UMTS versus GSM/GPRS
  • UMTS Key Features
    • UMTS features
    • UMTS and the 3G requirements
    • Backward compatibility with GSM/GPRS
    • UMTS QoS classes
  • GSM/GPRS/EDGE Architecture
    • GSM voice architecture
    • GPRS data architecture
    • Enhancements provided by EDGE

2. UMTS System Architecture

  • UTRAN Architecture
  • Network Elements – Node B, RNC, MGW
  • Interfaces – Uu, Iu, Iub, Iur
  • Multiple Access Technologies – FDMA, TDMA, CDMA
  • Bearer – RAB – Radio Access Bearer Types

3.  Core Network – Circuit switched Domain and packet switched Domain

  • Functions of 3G MSC and GMSC
  • Functions of SGSN and GGSN
  • Mobility Management Signaling processes
  • Concept of PDP context and session management

4. Spreading and Channelization Codes and Spreading process

  • Spreading principle
  • Channelization codes
  • Scrambling Codes
  • Spread spectrum Gain
  • Scrambling Code Planning

5.  Power Control, Link Adaptation and Handover

  • Fast Link Adaptation
  • Power and capacity calculations
  • Power Control
  • Open loop
  • Outer Loop – RNC
  • Inner Loop – RBS
  • Control Channels and their Power settings
  • Power Ramping on RACH
  • Softer, Soft, hard handovers

6.  Air Interface and Channels, Signaling and Antenna Systems

  • Downlink and Uplink logical channels
  • Downlink and Uplink transport Channels
  • Downlink and Uplink Physical Channels
  • Common Pilot Channel and Sync Channel
  • Dedicated Control and Data Channel
  • MHA
  • Purposes
  • Specifications
  • dBm, Watt
  • Antenna
  • Type of Base Station Antenna
  • Specifications
  • Antenna Radiation Patterns

7.  Power and Link Budget

  • Link Budgets
  • Uplink Link Budgets
  • Downlink Link Budget for CPICH
  • Downlink Link Budget for Various Services (Connected Mode)
  • Uplink and Downlink and Service Comparison

8.  Capacity Planning and Optimization

  • Basic UMTS Traffic Engineering
  • Capacity Requirements
  • Uplink Capacity Estimation
  • Estimating Downlink Capacity
  • Effect of Video-Telephony and PS Data on Traffic Engineering
  • WCDMA Traffic Engineering and Video-Telephony
  • WCDMA Traffic Engineering and PS Data
  • Multi-Service Traffic Engineering
  • Multi-Service Capacity
  • Uplink and Downlink Capacity Comparison

9.  Optimizing for Capacity

  • Coverage and Capacity Tradeoffs
  • Capacity Estimation in a Deployed Network
  • Capacity Monitoring for a Deployed Network

10. Initial Parameter Settings and Cell Selection Procedures

  • Physical Layer Parameters
  • Frequency Selection and Management
  • Power Allocation
  • Cell selection procedure

11. Intra-Frequency Cell Reselection Parameters

  • Overview of the Intra-Frequency Cell Reselection Procedure
  • List of Intra-Frequency Cell Reselection Parameters
  • Intra-Frequency Cell Reselection Trade-offs in Idle Mode
  • Intra-Frequency Cell Reselection Parameter Recommendations for Idle Mode
  • Intra-Frequency Cell Reselection in CELL_FACH State
  • Inter-Frequency Cell Reselection Considerations

12.  Intra-Frequency Handover Parameters and events

  • Intra-Frequency Handover Procedure
  • Intra-Frequency Handover Parameters
  • Intra-Frequency Handover events
  • Intra-Frequency Handover Trade-offs
  • Intra-Frequency Handover Parameter Recommendations

13.  Service Optimization

  • KPI and Layered Optimization Approach
  • Principal KPI Definitions
  • Voice Service Optimization
  • Adaptive Multi-Rate (AMR) Codec
  • AMR Service
  • Call Setup, Events, and Signaling
  • Call Retention Event and Signaling
  • Connection Supervision and Link Quality Indicators
  • Troubleshooting AMR Failures
  • Parameter Optimization
  • Call Quality Metrics and Test Process
  • Optimization approach for streaming, mobile TV w.r.t  latency and packet drops

14.  PS Data Service Optimization

  • PS Data versus AMR Optimization
  • Typical PS Data Applications and QoS Profiles
  • Channel Reconfiguration and Resource Planning
  • Quality Metrics and Test Process
  • PS Data Parameters
  • Throughput efficiency

15.  Inter-System Planning and Optimization

  • Inter-System Boundary Planning
  • Inter-System Borders
  • Typical Inter-System Scenarios (2G & 3G)
  • Boundary Determination
  • Inter-System Transition in Connected Mode
  • Inter-System Change Procedures
  • Message Flows and Delays
  • Compressed Mode Issues and events
  • Inter-System Transition in Idle Mode
  • Inter-System Cell Reselection Parameters
  • Workshop using vendor specific reports traces and counters etc.
  • Case study of 3G network

16.   Overview of Transmission networks for  3G

  • Overview of TDM and IP based microwave radio
  • Planning 3G access links using IP MW radios
  • Details of IP over TDM and Ethernet radios.
  • Overview of jitter and latency in 3G transmission networks.