From: A comprehensive wireless sensor network reliability metric for critical Internet of Things applications
FoV
r s
r c
λ s
λ t
λ p
λ b
Price($)
Type 1
90°
30Â m
40Â m
1.0 ×10−2
5.0×10−3
2.0×10−3
1.0×10−3
150
Type 2
60°
1.5×10−2
5.5 ×10−3
2.5×10−3
1.5×10−3
100