Cellular IoT Air Interface

In a bid to support the growing IoT market, the 3GPP have introduced a number of enhancements to the existing 2G and 4G air interfaces in their Release 13 specifications. This course therefore addresses these modifications in terms of the three key Cellular IoT technologies; EC-GSM-IoT, LTE-M and NB-IoT.
Course Introduction
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Section 1 - EC-GSM-IoT
Section 2 - LTE-M
Section 3 - NB-IoT

Topic areas covered include:

  • Fundamentals of EC-GSM-IoT.
  • EC-GSM-IoT Air Interface:
    • Extended Coverage and Coverage Classes.
    • Logical Channels:
      • EC-CCCH, EC-BCCH, EC-PTCH.
    • Modulation and Coding Schemes.
    • Radio Link Control and Medium Access Control:
      • RLC / MAC Data Blocks.
      • RLC / MAC Control Blocks.
    • Overlaid CDMA.
  • EC-GSM-IoT Operation:
    • Initial Procedures:
      • C1_EC, C1_GC.
      • Cell Selection.
      • Cell Reselection.
      • Coverage Class Selection.
    • Packet Transfer:
      • Mobile Originated Packet Transfer.
      • Mobile Terminated Packet Transfer.
    • Security Enhancements.
  • Power Efficient Operation:
    • Power Save Mode.
    • Extended Discontinuous Reception.

Topic areas covered include:

  • Fundamentals of LTE-M.
  • LTE-M Device:
    • Handset Capabilities.
    • Category M1:
      • Bandwidth Reduced.
      • Bandwidth Reduced Low Complexity.
      • Coverage Enhancement.
  • LTE-M Channels:
    • PBCH, MPDCCH, PDSCH (SIB1-BR), PDSCH, PUSCH, PUCCH, PRACH.
  • LTE-M Operation:
    • RRC Connection Establishment:
      • Cell Information.
      • Cell Selection.
      • Access Procedure.
    • Session Establishment:
      • Attach and EPS Bearer Establishment.
    • Mobility.
  • Power Efficient Features:
    • Power Save Mode.
    • Extended Discontinuous Reception.

Topic areas covered include:

  • Fundamentals of NB-IoT.
  • NB-IoT Device:
    • NB-IoT Category.
    • Power Category.
  • NB-IoT Downlink Air Interface:
    • Downlink NB-IoT Channels.
    • Downlink Frame Structure.
    • NRS (Narrowband Reference Signal).
    • Narrowband Primary Synchronization Signal.
    • Narrowband Secondary Synchronization Signal.
    • NPBCH / MIB-NB.
    • LTE-NB NPDSCH and NPDCCH Mapping.
    • LTE-NB for Guard Band / Standalone Operation.
  • NB-IoT Uplink Air Interface:
    • NB-IoT Uplink Channels.
    • NB-IoT Uplink Frame Structure.
    • NPUSCH Resource Unit
    • NPUSCH DMRS.
    • NPRACH.
  • NB-IoT Operation:
    • Scanning for NB-IoT.
    • MIB/SIB and Scheduling.
    • Cell Selection for NB-IoT.
    • NB-IoT Attach.
    • NB-IoT Access Procedure.
    • Resource Allocation.
    • Peak Data Rates.
    • Multi Carrier.
  • NB-IoT Optimization Features:
    • Control Plane CIoT EPS Optimization.
    • Power Save Mode.
    • Extended Discontinuous Reception.

The Institute of Telecommunications Professionals (ITP)

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