BVKS_MSTS_Presentation_02
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LPWA (NB-IOT) USE-CASES
27
• The „five 10s“ of LPWA; the LPWA device should be able to:
• Last for 10 years in the field
• Connect as far as 10km from the
cell
• Chip cost under $10
• Transmitting down to 10s of
bytes per hour
• Support more than 10k devices
NB-IOT – TECHNICAL SPECIFICATIONS
28
Key technical specifications for NB-IoT (from R1-157741, Summary of NB-IoT evaluations
results, 3GPP RAN1#83, Nov 2015), SigFox, and LoRa (from LoRaWAN: a technical overview
of LoRa and LoRaWAN, LoRa Alliance, Nov 2015).
LoRa
SigFox
NB-IoT
Coverage
160dB
157dB
164dB
Technology
Proprietary
Proprietary
Open LTE
Spectrum
Unlicensed
Unlicensed
Licensed (LTE/any)
Duty cycle
restrictions
Yes
Yes
No
Output power
restrictions
Yes (14dBm=25mW)
Yes (14dBm=25mW)
No (23dBm=200mW)
Downlink data rate
<0.1kbps
<10kbps
0.5-200kbps
Uplink data rate
<0.1kbps
<10kbps
0.3-180kbps
Battery life (200b per
day)
10+ years
10+ years
15+ years
Module cost
<$10 (2016)
<$10 (2016)
$6 (2017) to <$2
(2020)
Security
Low
Low
Very high
NB-IOT – EDRX AND PSM (EXPLANATION -- LINK)
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• LTE eDRX (Extended Discontinuous Reception) and LTE PSM
(Power Saving Mode)
• eDRX -- LTE DRX improvement to LTE allowed UE devices to
sleep for 10.24s between paging cycle which improved sleep
current
• For apps like water meters, agricultural monitors, and cold chain
monitors, this (eDRX and PSM ) is a game changing technology
UTILIZED NB-IOT LTE CAT NB1 MODULE SARA-N210
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• IoT/M2M customers are aware of expected closure of the 2G/3G
networks
• System is designed that it can be used in areas beyond the radio
coverage of current cellular standards
• Longer availability of the network, keeping the cost and power
consumption low, with limited data throughput
• Ultra low power consumption delivering 10+ years battery life
NB-IOT
31
Initial Verification
NB-IOT PROTOTYPE BOARD – REV. 1.0
32
• Receiver input sensitivity (Band 20): -135 dBm
• ANT pin with antenna detection
• Controlled by Arduino board
• FW update and debug interface