pdf_gross.gifLTE-M / Cat-M1/M2 - Design Details & System Engineering

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

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Chapter 1: LTE-M and its Alternatives

  • Long Range IoT-Technologies
    SigFox & LoRA, NB-IoT, LTE-M, WiFI-Gateway + WAN-Connectivity
  • Why LTE-M?
    Deployment of NB-IoT and LTE-M
  • BL-UE’s from Rel 12 – Rel 14
    Cat-1 / Cat-1bis, Cat-0, Cat-M1 / Cat-M2, Cat-NB1 / Cat-NB2
  • Reviewing NB-IoT
    Nesting of NB-IoT: in-band, guard-band, stand-alone/re-farmed

Chapter 2: RF and PHY Operation Details

  • Reviewing Properties of LTE-M / Cat-M1/M2
    Narrow-Bands (Cat-M1) and Wide-Bands (Cat-M2), Narrow-Bands and Wide-Bands in 1.4, 3, 5, 10, 15 and 20 MHz
  • Half-Duplex Operation and its Constraints
    Type A Mode of Operation, Type B Mode of Operation, Frequency Retuning w/ Frequency Hopping
  • Cat-M1/M2: Details of CE Levels 0 – 3
    Configuration, Differences, Interpretation of System Information
  • Cat-M1/M2: Details of CE Mode A and B
    Configuration, No of Repetitions, Channels
  • Maximum Coupling Loss (MCL) and CE-Modes
    Free Space Path Loss, Calculation of the MCL, Link-Budget, Receiver Sensitivity, MCL Calculation for Various Channels, Understanding the Positive Effect of Blind Retransmissions, Weighing of Reception Events based on Channel Estimation, Superpositioning of the received Signals, Coverage Gain through Repetition
  • Reading MIB / Locating SIB1-BR in Time and Frequency
    Step 1: MIB Transmission / Retransmissions
    Step 2: Interpretation of schedulingInfoSIB1-BR
    Step 3: No of Retransmissions of SIB1-BR
    Step 4: How to determine in which radio frames and subframes SIB1-BR is transmitter
    Step 5: How to determine in which narrow-bands SIB1-BR is transmitted (always hopping!)
    Step 6: TBS, MCS & Start-Symbol Determination for SIB1-BR
    Contents of SIB1-BR revealed
    View of the UE on the Cell after reading SIB1 / SIB1-BR
  • Important Contents of other SIBs for BL-UE’s
  • Putting it together: Cell Selection for BL-UE Cat M1/M2
  • Reading MIB / Locating SIB1-BR in Time and Frequency
    Step 1: MIB Transmission / Retransmissions
    Step 2: Interpretation of schedulingInfoSIB1-BR
    Step 3: No of Retransmissions of SIB1-BR
    Step 4: How to determine in which radio frames and subframes SIB1-BR is transmitter
    Step 5: How to determine in which narrow-bands SIB1-BR is transmitted (always hopping!)
    Step 6: TBS, MCS & Start-Symbol Determination for SIB1-BR
    Contents of SIB1-BR revealed
    View of the UE on the Cell after reading SIB1 / SIB1-BR
  • Important Contents of other SIBs for BL-UE’s (Focus on SIB2 and SIB3)
  • Putting it together: Cell Selection for BL-UE Cat M1/M2
  • Resource Allocation & Operation in Cat-M
    The MPDCCH, ECCE-Options for MPDCCH, Cross Subframe Scheduling, DL-Resource Allocation, UL-Resource Allocation
  • DCI-Formats in LTE-M / Cat-M
    Format 6-0A, Format 6-0B, Format 6-1A, Format 6-1B, Format 6-2, Transmission Modes and DCI-Formats
  • Random Access for BL-UE
    Specifics of Cat-M random access, MSG1, 2, 3 and 4, Contention Resolution in Cat-M, reviewing random access specific parameters in SIB2
  • HARQ for BL Operation
    Downlink Direction, explicit ACK/NACK through PUCCH, timing, channels, uplink direction, implicit ACK/NACK
  • Throughput Rate Calculations for Cat-M
    Downlink Direction
    Initial Working Assumptions, Throughput Rates with Different No of Retransmissions
    Uplink Direction
    Initial Working Assumptions, Throughput Rates with Different No of Retransmissions

Chapter 3: Higher Layer Operation

  • Discontinuous Reception
    Distinction of C-DRX and I-DRX with focus on Cat-M
  • Operation of C-DRX
    Active / Inactive Periods , Termination of C-DRX mode66
  • Applying eDRX to improve I-DRX for BL-UE Operation
    Configuration, differences between regular DRX and eDRX, differences between eDRX in Cat-M and NB-IoT
  • Attachment and Bearer Setup
    ATT_REQ and ATT_ACC-messages in case of Cat-M, analysis of parameter settings through UE and response by the network
  • Power Saving Mode (PSM)
    Negotiation between UE and network, T3324, operation of PSM, comparison between PSM and eDRX.
  • CioT-Optimizations
    Control Plane CIoT EPS optimization,
    User Plane CIoT EPS optimization,
    configuration, support by UE and network, pros and cons


v1.000

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