LRWPANs based on IEEE 802.15.4

Some of your questions that will be answered by this book:


  • How can NB-IoT provide for the impressive coverage enhancements compared to legacy LTE? 
  • Why are there 3 different uplink implementations in NB-IoT? Single-tone 3.75 kHz and 15 kHz and multi-tone 15 kHz? 
  • On which bands does NB-IoT operate?
  • How does the OFDMA-grid look like with NB-IoT? Where are the NPDCCH etc. located?
  • Why does NB-IoT deploy so-called blind repetitions and what are the implications of using them in terms of throughput rate and latency?
  • What are typical battery life times of NB-IoT under different conditions? How to calculate them?
  • How can short messages be delivered to NB-IoT UE's without telephone number?
  • Which performance in terms of coverage and throughput rate does NB-IoT provide under different conditions?
  • Does NB-IoT use turbo coding and HARQ?
  • Which new channels does NB-IoT introduce and how do they differ from their wide band ancestors?
  • What are the differences between PSM and eDRX and how do both operate?
  • How does NB-IoT provide for downlink access to the UE? What are typical delay times? 
  • To which degree can the operation of NB-IoT be controlled by the UE and by the operator?
    Which new BCCH-messages does NB-IoT introduce and what is their content?


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