A method for receiving repeated transmission of portions of data from a transmitter, the method comprising at a processor of a receiver, deriving a metric indicative of a desired PER of the received repeated portions of data, based on the desired PER of the received repeated portions of data at the receiver, deriving an optimal number of repetitions of each portion of the data to be received for successful decoding, wherein when the optimal number of repetitions have been received, decoding is to be activated; and further wherein the optimal number of repetitions is derived such that power consumption to successfully decode the data is minimized at the receiver.