An Adaptive Approach to Discriminate the Persistence of Faults in Wireless Sensor Networks

Table 2

Design and system parameters and their nominal values.

Parameter	Description	Nominal value
𝜃2	Reward threshold	10^4
𝜃3	Penalty threshold	5
𝜉	Penalty increment	2
𝑇	Intertest interval	8 sec
FAD	Continuous distribution of fault appearance duration	Exponential
E [FAD]	Expected fault appearance duration	5 ms
FDD𝑢	Continuous distribution of fault disappearance duration of unhealthy node	Weibull (𝛼=1.4)
𝐸[FDD]𝑢	Expected fault disappearance duration of unhealthy node	1 h
FDDℎ	Continuous distribution of fault disappearance duration of healthy node	Exponential
𝐸[FDD]ℎ	Expected fault disappearance duration of healthy node	100 h