Table 1: Previous algorithms: main features.

AlgorithmReferenceTwo-tierMultihopCentralized/distributedRound-robin subsettingSubsamplingAdaptive scheduling

CAG[19] × Distributed × ×
GUPTA[18] × Semidistributed × × ×
KEN[24] × Distributed × ×
SeReNe[29] × Centralized × × ×
RRC[25] × Centralized × ×
SS-MH/SS-2TProposed MethodCentralized