Fig 1.
Overall scheme design.
Fig 2.
Hardware architecture scheme.
Table 1.
Key parameters of the components of the system.
Table 2.
Hardware cost of the system.
Fig 3.
NB-IoT waveform stability test.
Table 3.
System communication test results.
Fig 4.
Packet loss rate development process.
Fig 5.
Experimental results.
Table 4.
Performance comparison with similar studies.