Feedback with configurable latency

A device of a mobile communications system for transmitting data to a receiver using a transmission service, the data being transmitted in transport blocks, wherein the device is arranged to transmit a configurable number of transport blocks before receiving a feedback information message from the receiver informing the transmitter as to whether the configurable number of transport blocks have been received error free at the receiver.

A device of a mobile communications system for receiving data transmitted by a transmitter in transport blocks, the device being arranged to transmit a single combined feedback information message to the transmitter following receipt of a configurable number of transport blocks, wherein the single combined feedback information message contains one of a positive feedback information message, ACK, and a negative feedback information message, NACK, and which indicates a correctness of receipt of the configurable number of received transport blocks.