Low power cellular for the IoT
summary
LTE‑M and NB‑IoT enable low‑complexity devices to stay connected over existing LTE/4G and run on batteries for a decade, with LTE‑M at up to 375 kbps and ~4× LTE range and NB‑IoT around 60 kbps with ~7× range. Devices use MQTT or CoAP over TCP/UDP and rely on SIM + TLS end‑to‑end for security; local edge processing cuts radio energy (processing ~3 mA for a few ms vs transmit ~150 mA) and turns a 100‑byte accelerometer trace into a one‑byte event before sending.
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chapters (16)
- 0:00Introduction
- 1:34Cellular IOT advantages
- 3:44Key IOT applications
- 6:48Smart metering and cities
- 10:16Comparing cellular networks
- 14:44LTE-M vs NB-IOT
- 16:45Global deployment coverage
- 17:58IoT device components
- 20:13Application protocols
- 23:42Network connection process
- 26:24Security considerations
- 29:00Flexibility and updates
- 31:48Embedded development challenges
- 34:52Edge computing and data
- 40:47Hybrid network solutions
- 42:19Summary and Q&A
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