Insensitive Bounds for the Stationary Distribution of a Single Server Retrial Queue with Server Subject to Active Breakdowns

Table 1

Different simulation cases for fixed parameters 𝜆=0.3, 𝛼=1, and 𝜈=0.2.

Case	Law type	𝐵1(𝑥)	𝐵2(𝑥)	𝜌
1	NBUE	𝐸2(0.50); 𝑊𝑏𝑙(1.1033,4)	𝑊𝑏𝑙(1.1033,4)	0.30
	exp	exp(1.0)	exp(1.0)
	NWUE	𝑊𝑏𝑙(0.5,0.5); Γ(0.5,2.0)	𝑊𝑏𝑙(0.5,0.5)
2	NBUE	𝐸2(0.75); 𝑊𝑏𝑙(1.6549,4)	𝑊𝑏𝑙(1.1033,4)	0.45
	exp	exp(1.5)	exp(1.0)
	NWUE	𝑊𝑏𝑙(0.5,0.4156); Γ(0.5,3.0)	𝑊𝑏𝑙(0.5,0.5)
3	NBUE	𝐸2(1.0); 𝑊𝑏𝑙(2.2065,4)	𝑊𝑏𝑙(1.1033,4)	0.60
	exp	exp(2.0)	exp(1.0)
	NWUE	𝑊𝑏𝑙(0.5,0.4156); Γ(0.5,3.0)	𝑊𝑏𝑙(0.5,0.5)