a method and apparatus for controlling transmission of an rpc channel during a handoff in a mobile communication system , wherein . only one an is selected among a plurality of ans to transmit reverse power control information to an at . for this purpose , a forward link selection message received at an an from an rnc . alternatively , a drc cover received at an an from at can be used . the drc cover indicates at least one of ans excluding an an having the worst chennel condition for the at .