Research Article

Performance Evaluation of the Transmission Quality of the Internet of Things in Farmland Environmental Monitoring Based on ns-3

Table 3

. Sensitivity of receiver under different SF.

SF

7−130.0−127.0
8−132.5−129.5
9−135.0−132.0
10−137.5−134.5
11−140.0−137.0
12−142.5−139.5