Table 3: Improvement in lifetime by slotted-scheduler (two-tier) and GUPTA (centralized) with respect to default network (RH LUCE).

Data Set Algorithm Error limit Packet limit Average prediction error ST LUCE GUPTA-2T 0.25 2150 0.61 0% 226% ST LUCE SS-2) 1.2 2150 0.42 226% 226% RH-LUCE GUPTA-2T 0.75 2150 1.1 0% 120% RH-LUCE SS-2T 2 2150 0.9 226% 226%