pdf_gross.gifNB-IoT - Design Details & System Engineering

[2-day course, Euro 2,350.- (net) per participant]

Course Description

Chapter 1: Introduction, Playground and Alternatives of NB-IoT (1 – 2 h)

  • The IoT-marketplace in terms of use cases, numbers and volume
  • Long range vs short range IoT-technologies
  • Differences among NB-IoT, EC-GSM and CAT-M1
  • How to define and determine the QoS in IoT-environments
  • Introducing NB-IoT network architecture
  • High level operation of selected use cases in NB-IoT
    Pet tracking, metering and others, considering IoT-specifics like high latency communication HLComm, eDRX and PSM

Chapter 2: Diving into the Physical Layer of NB-IoT (4 – 5 h)

  • Introducing Maximum Coupling Loss, Link Budget, Receiver Sensitivity and Signal to Noise Ratio
    MCL in genuine LTE for different channels, MCL in NB-IoT for different channels
  • How to determine the coverage area of a radio system
  • Coverage enhancements in NB-IoT
    Focus is on the use, simulation and operation of blind repetitions
  • The Downlink OFDMA-grid in NB-IoT
  • Allocation and Permutation of physical signals and channels to the OFDMA-grid
    e.g. PSS; SSS, NPDSCH, NPDCCH, ...
  • Uplink options and their operation and characteristics
    Single-tone 3.75 kHz, single-tone 15 kHz and multi-tone 12x15 kHz, reference signals, modulation and symbols
  • Operation of the NPRACH
    The random-access procedure in the PHY of NB-IoT
  • Channel coding and HARQ in NB-IoT
    TBCC and turbo coding

Chapter 3: Protocol Stack and Operation of NB-IoT (3 – 4 h)

  • Protocol Stack of NB-IoT
    Control Plane and User Plane
  • Cell Search, Random Access and RRC-connection establishment in NB-IoT
  • Changes to protocols and their functions
    MAC, RLC, PDCP, …
  • Attachment of an NB-IoT UE to the network
    Basic procedure, specifics of NB-IoT, discussion of options and timer values for PSM and eDRX
  • eDRX and PSM in operation
    Specifics and differences
  • Device triggering
    MSISDN-less operation
  • Data transfer through the user plane
    User plane CIoT Optimizations
  • Data transfer through the control plane
    Control plane CIoT Optimizations
  • Security in NB-IoT
    Use of SIM and future, key generation, distribution and update, operation


Chapter 4: Performance Analysis and Use Cases (3 – 4 h)

  • Calculating the real user throughput rates under ideal conditions
    taking the previous chapters into account
  • Calculating battery lifetimes for different use cases
  • Calculating throughput rates and latencies for different conditions
  • Applicability of NB-IoT or alternative technologies like CAT-M1 for different use cases and different conditions


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