pdf_gross.gifDual Transfer Mode (DTM) -
Detailed System Operation

backtotop.gif An Introduction to DTM and other Mobile Station Operation Modes

Course Description

  • Genuine packet-switched Mobile Station Operation Modes
    Class A, Class B, Class C, Characteristics, Performance and Limitations, Swapping between CS and PS Operation
  • Dedicated Operation Mode
    Establishment and Operation, Used Channels, Mobility Management in Dedicated Mode, Layer 1 Procedures (Power Control, TA-Control, Measurement Reporting)
  • The Dual Transfer Mode
    Operation Modes, Characteristics of DTM, The State Machine of the Mobile Station with DT

backtotop.gif Details of DTM Operation

  • The Shared Use Operation Mode
    Uplink Direction, the GPRS_INFO-Message, Constraints on the PDU-Sizes (MAX_LAPDm, Consequences, …), Downlink Direction - MS in Ready State, Downlink Direction - MS in Standby State
  • The Single Slot Operation Mode
    Characteristics, Support for the Single Slot Operation Mode, PDCH/H + TCH/H - Configuration, Example for the Single Slot Operation Mode
  • The Multislot Operation Mode
    Different Multislot Classes in DTM Rel. 99, Rel. 4 and Rel. 5 (Rel. 99, Rel. 4, Rel. 5), DTM-Operation with Multislot Class 5, DTM-Operation with Multislot Class 9
  • DTM-specific Conflicts of CS and PS Operation
    Encryption in Shared Operation Mode, TA-Control, Measurement Reporting, Power Control, Location Management
  • Details of BSS-based Paging Coordination
    Option 1: MS in Dedicated Mode / Incoming Data Packets, Option 2: MS in Packet Transfer Mode / Incoming Call

backtotop.gif Selected DTM-specific Procedures

  • CS-Call Establishment while in Packet Transfer Mode
    Initial Conditions, Applicability of this Procedure, Description
  • TBF-Establishment while in Dedicated Mode (DCCH+SACCH/FACCH)
    Initial Conditions, Applicability of this Procedure, Description
  • Routing Area with DTM
    Initial Conditions, Applicability of this Procedure, Description
  • Shared Use Operation Mode (Downlink Direction)
    Initial Conditions, Applicability of this Procedure, Description
  • Shared Use Operation Mode (Uplink Direction)
    Initial Conditions, Applicability of this Procedure, Description

v2.11

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