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Journal of Sensors
/
2021
/
Article
/
Tab 2
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Research Article
Energy-Spectral Efficiency Optimization in Wireless Underground Sensor Networks Using Salp Swarm Algorithm
Table 2
Values of path loss parameters.
Parameters
Values
5%
15%
4
π
10
−7
N/A
2
1
F/m
1.5 g
/
cm
3
2.66 g
/
cm
3
5%–25%
s
80.1
4.9
3
0.3–1.3 GHz
-130 dBm/Hz
5
60°