The present invention concerns a method for transferring a flow of data by a first telecommunication device to a second telecommunication device in a wireless cellular telecommunication network, the first and second telecommunication devices being linked through a radio channel, characterized in that the method comprises the steps executed by the first telecommunication device of: splitting the flow of data in at least two splits, transferring a first split to the second telecommunication device through the radio channel, transferring at least a second split to the second telecommunication device via at least a third telecommunication device, the third telecommunication device being a first base station of the wireless cellular telecommunication network.