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TechSpec
  • Foreword
  • 1 Scope
  • 2 References
  • 3 Definitions and abbreviations
  • 4 Main concepts
  • 5 General architecture
  • 6 Compatibility issues
  • 7 Transmission
  • 8 Information storage
  • 9 Identities
  • 10 Operation and maintenance aspects
  • 11 Function and information flows
    • 11.1 Broadcast function management
    • 11.2 Group membership management
    • 11.3 Call management
      • 11.3.1 Call establishment
      • 11.3.2 Call release
      • 11.3.3 Leaving of a dispatcher
      • 11.3.4 Leaving and returning to a voice broadcast call of a service subscriber
      • 11.3.5 Cell change
      • 11.3.6 New calls
      • 11.3.7 Uplink transmission management
      • 11.3.7a Signalling procedures for the user plane
      • 11.3.8 Overview of signalling
    • 11.4 Functional requirement of Anchor-MSC
      • 11.4 Functional requirement of Anchor-MSC
    • 11.5 Functional requirement of Relay-MSC
      • 11.5 Functional requirement of Relay-MSC
    • 11.5A Functional requirement of group call serving MSC (within a RANflex pool)
    • 11.5B Functional requirement of VMSC (within a RANflex pool)
    • 11.6 Functional requirement of GCR
      • 11.6 Functional requirement of GCR
    • 11.7 Functional requirement of VLR
  • 12 Content of messages
  • 13 List of system parameters

11.3.7 Uplink transmission management

3GPP43.069Release 17Stage 2TSVoice Broadcast Service (VBS)

Tools: ARFCN - Frequency Conversion for 5G NR/LTE/UMTS/GSM

The uplink related to the voice broadcast channel downlink is not used. No UPLINK_BUSY information is required.