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UMTS UTRAN Signaling - Understand, Analyze And Troubleshoot Umts Utran Message Flows And Procedures

“UMTS UTRAN Signaling”, a unique compendium and reference, gives a deep insight into the secrets and depths of UMTS signaling on the wireline interfaces. It is comprised of two sections. The first section focuses on providing an overview and reference to UMTS. This segment also gives the reader detail on the technical standards for UMTS, network architecture, objectives and functions of the different interfaces and the various protocols of the UTRAN. The second segment goes a level deeper into UMTS signaling. Different procedures, from Node B Setup to Handover types, are described and explained comprehensively.


The focus on the wireline interfaces of UTRAN is unique in the market. All information in the signaling procedures was taken from real UMTS traces, so the book provides first hand, real world information.

The book contains for example descriptions of these UMTS Scenarios and more:

  • Node B Setup
  • IMSI/GPRS Attach, Iub/Iu
  • Location Update (LUP), Iub/Iu
  • Mobile Originated Voice Call (MOC), Iub/Iu
  • Mobile Terminated Voice Call (MTC), Iub/Iu
  • PDP Context Activation/Deactivation, Iub/Iu
  • IMSI/GPRS Detach, Iub/Iu
  • Physical Channel Reconfiguration (PDPC)
  • MOC with Soft Handover
  • Softer Handover
  • Soft Handover
  • Forward Hard Handover
  • Backward Hard Handover
  • SRNS Relocation

The reader has access to the first universal UMTS protocol sequence reference, which quickly allows differentiating between valid and invalid call control procedures. In addition all main signaling stages are explained - many of which had been left unclear in the standards so far. They can now be analyzed based on protocol traces from actual implementations. At the same time - other than in the standards - dealing with unnecessary bits and pieces is avoided, allowing the user to focus on the essentials of each signaling process.

Tektronix Order Code: TA-UMTS2-BK1000
ISBN: 3-937343-13-X

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