BVKS_MSTS_Presentation_01
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towards BUT‘s servers
• Bidirectional communication verified
Designed
NB-IoT
board
Controlling board (Arduino)
NB-IOT PROTOTYPE BOARD – REV. 2.1
42
MCU
ANTENNA CON
GPS
SIM
SARA
USB
ON/OFF
3V3 POWER
SUPPLY
BATTERY CHARGER
NB-IOT PROTOTYPE BOARDS – SUMMARY 1/2
43
• NB-IoT v1.0
• NB-IoT v2.1
NB-IOT PROTOTYPE BOARDS – SUMMARY 2/2
44
• Technical parameters:
NB-IoT v1.0
NB-IoT v2.1
MCU
ATmega2560
STM32F103CB
Architecture
AVR (8 bit)
ARM (32 bit)
Battery
charger
No
Max8903
Battery
No
Li-Pol 2000 mAh
NB-IoT
module
Sara N210 rev. 1 Sara N210 rev. 2
Antenna
connector
SMA
U.FL
Reset button
Yes
Yes
On/Off
switch
No
Yes
NB-IoT
v1.0
NB-IoT
v2.1
UART 4 (2
used)
3 (all
used)
I2C
1
2
PWM 16
16
SPI
5
2
GPS
No
L86-M33
USB
Yes
Yes
• Interfaces:
NB-IOT FIRST VERIFICATION 1/3 – UPLINK CHANNEL
45
• NB-IoT Uplink Channel (Band 20; Vodafone)
• Frequency: 861.7 MHz
• EARFCN: 24447
NB-IOT FIRST VERIFICATION 2/3 – DOWNLINK CHANNEL
46
• NB-IoT Downlink Channel (Band 20; Vodafone)
• Frequency: 820.7 MHz
• EARFCN: 6447
NB-IOT FIRST VERIFICATION 3/3 – EMC CHAMBER
47
• Measured interferences in EMC chamber (BUT)
• Band 20 (820 – 870 MHz)
• Continuous interferences from embedded board -- without
significant impact
LTE 450 MHZ
48
Frekvenční analyzátor
R&S TSMW
Generátor M2M dat
LTE 450 MHz Modem
Spectre V3
Monitorovací NTB k
R&S TSMW
• Implementation of the IEEE 802.11ah for Transmitting M2M Data
• Implementation of the Wireless M-BUS Communication Protocol
• Simulation of M2M Communication using IEEE 802.15.4, BLE, ZigBee
• Simulation of H2H and M2M Communication in LTE-A cellular system
• Implementation of the MTCG node in LTE-A network
• Simulation of IEEE 802.11ad using mmWave module developed at NYU
NS-3 SIMULATION EXPERIENCES
49
◦ 3D model for indoor signal
propagation at 5 / 28 / 60 GHz
◦ Development tools: Matlab / NS-3 /
SLS (System Level Simulator)
3D MODELING OF WAVE PROPAGATION
50
◦ Study of micromobility for wireless communicator
◦ Comparison of currently available wireless technologies
◦ Real use-case measurements of IEEE 802.11ac and IEEE 802.11ad