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4-5G 3GPP Dev+Test Platform

4G/5G UE/RAN/Core IMS/IoT/D2D Training and Excellence

NB-LTE (NB-IoT)

Overall Call flow (RRC ad NAS)

  • LTE-NB : Full Stack Protocol Sequence
    • Power On Attach Procedure
    • MIB/SIB1/SIB2/SIB3
    • RRC_Connection_Req/Setup/SetupCpmplete
    • Attach Request/UE Network Capability
    • Authentication Req/Response
    • NAS Security Mode Command/Complete
    • Attach Accept + Def Bearer Setup
    • ESM Container
    • GUTI/Features
    • UP-CP Mode
  • LTE-NB : CIoT EPS Optimization
    • CIOT Architecture
    • MO Data
    • MT Data