Patent ID: 8281200
Filing Date: 2012-10-02
Classification: H04L

Abstract:
1. A method for retransmitting data, comprising: receiving, by a receiving end, a Protocal Data Unit; determining, by the receiving end, whether a Negative Acknowledgement NACK->Acknowledgement (ACK) error occurs; and if the NACK->ACK error occurs, the method further comprises: transmitting, by a lower layer of the receiving end, a Hybrid Automatic Repeat Request (HARQ) assistant Automatic Repeat Request (ARQ) retransmission request to a transmitting end for requesting the transmitting end to perform an ARQ retransmission; or notifying, by the lower layer of the receiving end, an upper layer of the receiving end of the occurrence of the NACK->ACK error, and transmitting, by the upper layer of the receiving end, the ARQ request to the transmitting end for requesting the transmitting end to perform the ARQ retransmission.