Patent ID: 8743831

Claim:
A method for acquiring a Packet Data Convergence Protocol (PDCP) status report, comprising the steps of: a PDCP entity transmitting to an opposite PDCP entity a PDCP Protocol Data Unit (PDU) used to request the transmission of a PDCP status report; and the PDCP entity receiving the PDCP status report which is transmitted from the opposite PDCP entity according to the PDCP PDU; wherein in the case that the PDCP entity is in a relay node and the opposite PDCP entity is in a donor-eNB, during the handover procedure of the user equipment being handed over from the relay node to the target eNB, the step of the PDCP entity transmitting to the opposite PDCP entity the PDCP PDU further comprises: the relay node transmitting the PDCP PDU to the donor-eNB, so as to acquire the PDCP status report from the donor-eNB.