UMTS /HSPA / Air interface (RF) planning


  • The Universal Mobile Telecommunications System (UMTS), High Speed Packet Access (HSPA) and its extension HSPA+ belong to the third generation family of 3GPP technologies.
  • In UMTS, the air interface was designed to support bidirectional 2 Mbps, Quality of Service (QoS), security and concurrent circuit-switched and packet-switched services


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

What you will gain?

After completion of this course, the participant will understand about:

  • Overview of UMTS network
  • The main objective of UMTS / HSPA /HSPA + air interface.
  • Explain channels and frame structures.
  • List the layer 1,2 and 3 features such as power control and handover.
  • How link adaptation is done in UMTS


Individuals with basic understanding of UMTS/WCDMA.

Who should attend?

This course is designed for professionals who are need of detailed understanding of UMTS , HSPA and HSPA+ air interface. Also, suitable for testing  and network engineering team members.

Course Outline

1. UMTS (WCDMA) Overview

  • Motivation behind UMTS
  • Key features, services and supported data rates
  • Technology landscape
  • Evolution from GSM/GPRS to UMTS

2. WCDMA Technology in UMTS

  • Encoding and modulation techniques
  • Spreading and scrambling
  • OVSF codes in WCDMA
  • Importance of power control
  • Macro diversity in WCDMA

3. UMTS Core Network Architecture

  • Network architecture
  • Key components (i.e., SGSN and GGSN)
  • Differences between GPRS and UMTS
  • Migrating from GPRS to UMTS

4. UMTS (WCDMA) Radio Network

  • Functions of UTRAN
  • Key components (RNC and Node B)

5. UTRA Channels and Protocols

  • Channel structure in UMTS
  • Logical, physical and transport channels
  • MAC, RLC and RRC

6. Circuit-Switched Scenarios

  • Overview of a circuit-switched call
  • Call origination and termination

7. Packet-Switched Scenarios

  • UMTS attach procedure
  • PDP context activation
  • Establishing a packet data session

8. System Scenarios

  • Radio and core network mobility
  • Handovers and SRNS relocation

9. Physical Layer Operations

  • Introduction – Life of a UE
  • Cell synchronization and network acquisition
  • RRC connection and states
  • Registration, security and the radio access bearer concept
  • Cell selection and reselection
  • UE measurements
  • UE power control
  • Compressed mode and inter-system measurements

10. Overview of HSPA

  • HSPA goals
  • Air interface strategies
  • Impact of HSPA on radio network
  • UE categories

11. Key Concepts of HSPA

  • Adaptive modulation and coding
  • Fast scheduling at NodeB
  • UE measurement and feedback
  • H-ARQ and incremental redundancy

12. HSPA Channels

  • HSDPA UL/DL channel details
  • HSUPA UL/DL channel details

13. HSPA Operations


  • Channel quality indicator
  • HS-SCCH operational detail
  • Hard handovers


  • Uplink resource allocation
  • Absolute and relative grants
  • Soft handovers

14. HSPA+

  • Key concepts of HSPA+
  • Downlink data transmission
  • Uplink data transmission
  • MIMO in HSPA+

15. UMTS / HSPA planning considerations

  • Impacts of operating frequency
  • Scrambling code planning
  • Parameter settings
  • Link budget for UMTS / HSPA
  • UMTS capacity planning
  • UMTS design KPIs

16.UMTS / HSPA optimization overview

  • Coverage optimization
  • Neighbour list tuning
  • Dropped call performance
  • R99 packet data performance
  • HSPA performance
  • IRAT performance