Patent ID: 7855970

Claim:
An integrated method of Automatic Retransmission Request (ARQ) and Hybrid Automatic Retransmission Request (HARQ) for retransmission in a mobile communication system, comprising the steps of: a) shifting to a 2nd layer waiting status upon receipt of 1st layer reception failure information according to a predetermined retransmission number in a sending status that a fragment block of 2nd layer transmission data is being transmitted to a receiver; b) shifting to a 1st layer receiving status upon receipt of 1st layer reception success information in the sending status; c) shifting to a transmission completion status upon receipt of the 2nd layer reception success information in the sending status; and d) shifting to the 2nd layer waiting status upon receipt of information notifying that the 1st layer reception failure information is erroneously recognized as the reception success information in the 1st layer receiving status.