ThispaperproposesanewAutomaticRepeatRequest(ARQ)schemeforreliablebroadcastingindistributedwirelessLANs.UnliketraditionalARQschemesforreliablebroadcasting,theproposedschemeishighlyefficientinitsARQcontrolinformationdeliveryandonlyintroduceslightcontroloverheadinthenetwork.Oursimulationre