The present invention relates to the use of an ARQ method, especially a hybrid-ARQ-method, in order to carry out a reliable packet orientation data transfer, preferably, using a mobile radio system. When requesting a transmission data packet for the bits of the retransmission data packet, a different...http://www.google.ca/patents/US7249303?utm_source=gb-gplus-sharePatent US7249303 - Method and apparatus for transferring data according to an ARQ method