Fig. 4From: Delay-aware tree construction and scheduling for data aggregation in duty-cycled wireless sensor networksAn example of delay-aware tree construction. a Scheduling dominatees to nodes in T CDS . b Overhearing periods after dominatees scheduling. c Scheduling for nodes in L4 of T CDS . d Scheduling for nodes in L3 of T CDS . e Scheduling for nodes in L2 of T CDS . f Scheduling for nodes in L1 of T CDS Back to article page