METHOD AND DEVICE TO TRANSFER SERVICE WITH APPLICATION OF REORDERING BY PACKET DATA CONVERGENCE PROTOCOL (PDCP) IN SYSTEM OF MOBILE COMMUNICATION Russian patent published in 2011 - IPC H04L12/28 

FIELD: information technologies.

SUBSTANCE: method includes transfer of the first units PDU PDCP, properly received from initial cell, together with a special index, which requires reordering of the first units PDU PDCP, from receiving buffer RLC to receiving object PDCP, when message is received with a command to transfer service from initial cell to target cell; buffering of the first units PDU PDCP in buffer of reordering of units PDU PDCP by receiving object PDCP in response to a special index; and when the second unit PDU PDCP is received from target cell through new receiving object RLC, distribution of the third units PDU PDCP to unit PDU PDCP before the first lost unit PDU PDCP, with a sequence number higher than sequence number of unit PDU PDCP, from buffer of reordering PDCP.

EFFECT: improved efficiency of communication in transfer of service to restore ARQ object in mobile communication system.

24 cl, 12 dwg