Table 3 Moments of the LP completion time with preemption in case of failure (FP) service discipline for DetExp and DetDet scenarios (S: simulation, A: approximation)
From: Priority queueing models for cognitive radio networks with traffic differentiation
Scenario | λ 1 | E[X 2 ]-S | E[X 2 ]-A | -S | -A |
|---|---|---|---|---|---|
Small,DE | 0.03 | 6.62 | 6.72 | 47.01 | 49.51 |
Small,DE | 0.05 | 7.10 | 7.32 | 57.05 | 62.33 |
Large,DE | 0.03 | 6.13 | 6.12 | 77.53 | 74.96 |
Large,DE | 0.05 | 6.26 | 6.25 | 88.37 | 85.62 |
Small,DD | 0.03 | 6.61 | 6.72 | 46.76 | 49.23 |
Small,DD | 0.05 | 7.10 | 7.31 | 56.69 | 61.98 |
Large,DD | 0.03 | 6.14 | 6.12 | 58.40 | 56.45 |
Large,DD | 0.05 | 6.26 | 6.25 | 65.00 | 63.64 |