(EN) Device for optimal division of data into data blocks transmitted in a radio system of the time-division multiple access (TDMA) type in which a dimensioning and distribution unit (18) in the transmitter is adapted to dimension the data block and distribute the data into different block areas according to the types of data received and the coding redundancy for each of these types, and a measuring unit (28) in the receiver for collecting the transmission channel quality measurements and transmitting them to the dimensioning and distribution unit (18) in the transmitter.
