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Four whys of nb iot
- 1. Four Whys of NB-IoT Malinda Prasad Rathnayake @malindaprasad
- 2. What is IoT Device Network Platform Consumer Any IoT Device WiFi LoRaWAN GSM Network SigFox Domestic Radio Network (433Mhz.) …. Dialog IoT Azure Amazon Google IBM … Web Mobile SMS Hardware Device Embedded System
- 3. What is NB-IOT .. Narrowband IoT is a Low Power Wide Area Network radio technology standard developed to enable a wide range of cellular devices and services.
- 4. LTE Categories LTE Cat 1 LTE Cat 0 LTE Cat M1(eMTC) LTE Cat NB1(NB-IoT) EC-GSM-IoT 3GPP Release Release 8 Release 12 Release 13 Release 13 Release 13 Downlink Peak Rate 10 Mbit/s 1 Mbit/s 1 Mbit/s 250 kbit/s 474 kbit/s (EDGE)2 Mbit/s (EGPRS2B) Uplink Peak Rate 5 Mbit/s 1 Mbit/s 1 Mbit/s 250 kbit/s (multi- tone)20 kbit/s (single- tone) 474 kbit/s (EDGE)2 Mbit/s (EGPRS2B) Latency 50–100ms not deployed 10ms–15ms 1.6s–10s 700ms–2s Number of Antennas 2 1 1 1 1–2 Duplex Mode Full Duplex Full or Half Duplex Full or Half Duplex Half Duplex Half Duplex Device Receive Bandwidth 1.4 – 20 MHz 1.4 – 20 MHz 1.4 MHz 180 kHz 200 kHz Receiver Chains 2 (MIMO) 1 (SISO) 1 (SISO) 1 (SISO) 1–2 Device Transmit Power 23 dBm 23 dBm 20 / 23 dBm 20 / 23 dBm 23 / 33 dBm
- 5. Why • IoT devices transmits small data sets. But generic networks designed for highspeed data transfers • Low power consumption • NBIoT’s Indoor coverage and penetration is very high compared to GSM • Spectrum utilization • Large number of connections per cell • Carrier grade higher security
- 6. Where can we use this . NB-IoT eMTC (CatM) Designed for fixed IoT Devices Designed for moving IoT Devices
- 8. When • Sri Lanka is the first South Asian country that deployed NB-IoT network commercially • Currently we have two carriers which supports NB-IoT in the country • Dialog LTE-M (eMTC) • LTE-M will be activated across all LTE sites in the 1800MHz band • Dialog NB-IOT • NB-IOT will be deployed in the 900MHz band
- 9. Developers • NBIoT enabled dev board https://go.ideamart.io/NBIOTDevBoard
- 10. bbb
- 11. Don’t limit to prototype • Small formfactor • GPS enabled • NBIOT/eMTC support with SIM7000 • Fallback support for GSM network • Battery support • Pinout for common sensors • Able to manufacture in very low cost Can get manufactured board from LankaTronix https://aptinex.com/product/ideamart-nbiot-devboard/
Editor's Notes
- Device to Consumer Then discuss about GSM
- Energy Density 50K per cell Penitration