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