BVKS_MSTS_Presentation_02
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• Date: 05.12.2017
• Location: Hlincová Hora
• M2M trial setup:
• Length: 450 B
• Interval: 30 s
• Capturing radio conditions for 2G/3G/4G/NB-IoT/LTE-450MHz/
LoRaWAN/Sigfox
NB-IOT TRIAL – MEASUREMENT RESULTS (LOCATION C)
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• Date: 05.12.2017
• Location: Ledenice
• M2M trial setup:
• Length: 450 B
• Interval: 30 s
• Capturing radio conditions for 2G/3G/4G/NB-IoT/LTE-450MHz/
LoRaWAN/Sigfox
NB-IOT TRIAL – COMMUNICATION INFRASTRUCTURE
44
• Communication infrastructure:
• Test scenario:
• Test duration: 5 min
• Interval: 30 s
• Data length: 450 B
Controlling NTB
for NB-IoT board
NB-IoT
device
eNodeB
(NB-IoT)
Communication
through the network
Remote server at
BUT university
Bidirectional communication (sent data and receive the
acknowledgment) utilizing the UDP transport protocol
• Measured parameters:
• RTT (Round Trip Time)
• Network throughput
• RSSI, RSRQ, RSRP, SNR
NB-IOT TRIAL – MEASUREMENT RESULTS (LOCATION A)
45
• Spectrum utilization (Uplink channel) during the transmissions
• Frequency: 861.7 MHz
• EARFCN: 24447
NB-IOT TRIAL – MEASUREMENT RESULTS (LOCATION A)
46
• Spectrum utilization (Downlink channel) during the data
transmissions
• Frequency: 820.7 MHz; EARFCN: 6447
NB-IOT
47
Power Consumption
(Rev. 2.1)
NB-IOT MODULE – POWER CONSUMPTION 1/3
48
• Current consumption profile – simplified version
• Profiles obtained from the provided documentation (uBlox)
NB-IOT MODULE – POWER CONSUMPTION 2/3
49
• Power consumption for Rev. 2.1 (FW 657)
• Able to reach 4uA in „deep sleep mode“
NB-IOT MODULE – POWER CONSUMPTION 3/3
50
• Current consumption behavior utilizing Rev. 02 (FW 657)
NB-IOT TRIAL – LESSONS LEARNED 1/2
51
• Performed M2M trials (05.12.2017)
• Location A: Hlincová Hora; Location B: Ledenice
• Test duration: 5 min (10 messages sent)
• Transmission interval: 30 s
• Type of communication: bidirectional, UDP protocol
• Message length: 450 B