40354 «WCDMA/HSPA Radio Interface»

Course Code




For anyone involved with Mobile Communications and Mobile Multimedia Services, understanding this technology is a fundamental requirement.

This course is designed specially for technical personnel, in order to introduce them far inside the WCDMA principles of operation, the air interface structure (channel structures, coding, RAKE receiver, multiplexing and mapping) and briefly to the functionalities like power control, MAC scheduling and handovers.

At the end call setup examples are included to present as an overview the ideas.


Learning objectives

On completion of this course the participants will be able to:

  • Overview of GSM/GPRS network architecture
  • Data transmission principles in TDMA GSM/GPRS networks
  • Evolution from 2G to 3G; network and service aspects
  • WCDMA principle of operation
  • WCDMA Transmitter (Voice Coding - Adaptive multirate, CRC & FEC coding principles, Scrambling codes, Modulation principles)
  • WCDMA receiver – The RAKE receiver
  • WCDMA Protocols
  • MAC scheduler
  • Power Control
  • Handover - Hard handover, Soft Handover

Target audience

Technicians, Radio Planners, engineers working with different subjects (Service Planning, Design, Network Design, Network Deployment, Service Deployment, System)



The participants should be familiar with general telecom technologies.

Knowledge of WCDMA technology is helpful

WCDMA – UMTS Basics is necessary


Duration and class size

The recommended length of the course is 3 days depending on the participants’ background. The maximum number of participants is 16


Learning situation

This course is based on theoretical instructor-led lessons given in a classroom environment.