Code Division Multiple Access (CDMA) Technology Overview, incl. Wideband-CDMA & cdma2000

5 Day Course
Code PWS044

This course has been retired. Please view currently available CDMA Training Courses.


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Introduction to Access Technologies (5 topics)

  • Introduction
  • Major attributes of CDMA systems
  • Third-Generation systems
  • Multiple Access technologies
  • Modes of Operation in wireless communications

Direct Sequence Spread Spectrum and Spreading Codes (13 topics)

  • Introduction
  • Types of techniques for Spread Spectrum
  • The concept of Spread Spectrum System
  • System Processing Gain
  • The performance of DSSS
  • The DSSS system
  • BPSK
  • QPSK
  • Bit Scrambling
  • The performance of a CDMA system
  • Autocorrelation
  • Cross-correlation
  • Orthogonal functions

Speech & Channel Coding (7 topics)

  • Speech coding
  • Pulse code modulation
  • Adaptive pulse code modulation
  • Code-excited linear prediction
  • Enhanced variable-rate codec
  • Channel coding
  • Convolutional coding

Diversity, Combining & Antennas (10 topics)

  • Diversity reception
  • Types of diversity
  • Macroscopic diversity
  • Microscopic diversity
  • RAKE receiver
  • Basic combining methods
  • Selection combining
  • Maximal-ratio combining
  • Equal-gain combining
  • Examples of Base Station and Mobile Antennas

CDMA2000 System (14 topics)

  • cdma2000 layering structure
  • upper layer
  • link layer
  • cdma2000 channels
  • channel naming convention
  • logical channels used by PLICF
  • Physical layer
  • Forward link physical channels
  • Forward link features
  • Reverse physical channels
  • Data services in cdma2000
  • Mapping logical channels to physical channels
  • Evolution of cdmaOne to cdma2000
  • Major technical differences between cdma2000 and W-CDMA

Introduction to UMTS Networks (3 topics)

  • UMTS topology
  • WCDMA concepts
  • WCDMA network deployment options

Introduction to WCDMA (5 topics)

  • Summary of main parameters in WCDMA
  • Spreading & dispreading recap
  • Multipath radio channels and RAKE reception
  • Power control
  • Softer and soft handovers

Radio Access Network Architecture (7 topics)

  • System architecture
  • UTRAN architecture
  • General protocol model for UTRAN terrestrial interfaces
  • Iu, the UTRAN-CN interface
  • UTRAN internal interfaces
  • UTRAN enhancements and evolution
  • UMTS core network architecture an evolution

Physical Layer (6 topics)

  • Transport channels and their mapping to the physical channels
  • Spreading and modulation
  • User data transmission
  • Signalling
  • Physical layer procedures
  • Terminal radio access capabilities

Radio Interface Protocols (7 topics)

  • Protocol architecture
  • The medium access control protocol
  • The radio link control protocol
  • The packet data convergence protocol
  • The broadcast/multicast service
  • The radio resource control protocol
  • Early UE handling principles

RF Planning & Optimisation (7 topics)

  • Overview of the network deployment process
  • Link budgets
  • Network planning tools
  • Interference considerations during network planning
  • Topology planning
  • Parameter settings and optimisation during network planning
  • RF optimisation

Initial Parameter Settings (7 topics)

  • Broadcast of system information
  • Translation between information element values and engineering values
  • Over-the-air parameters
  • Physical layer parameters
  • Intra-frequency cell reselection parameters
  • Access parameter recommendations
  • Intra-frequency handover parameters

Service Optimisation (4 topics)

  • KPI and layered optimisation approach
  • Voice service optimisation
  • Video-telephony service optimisation
  • PS data service optimisation

High-Speed Downlink Packet Access (HSDPA) (6 topics)

  • Motivation for HSDPA
  • HSDPA concepts
  • HSDPA planning
  • HSDPA operation and optimisation
  • HSDPA key performance indicators (KPI)
  • Test setup

Indoor Coverage (3 topics)

  • Design approach and economic considerations
  • Coverage planning and impact on capacity
  • Optimising indoor systems

Long Term Evolution (3 topics)

  • The context for the Long Term Evolution of UMTS
  • Requirements and targets for the LTE
  • Technologies for the LTE


An understanding of the basic concepts of RF and mobile technologies, GSM/GPRS operation and basic communications

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