METHOD FOR PERFORMING REPEATED ESTABLISHMENT OF A PDCP OBJECT ASSOCIATED WITH AN UMRLC ENTITY IN A WIRELESS COMMUNICATION SYSTEM, AND A DEVICE FOR IT Russian patent published in 2020 - IPC H04W28/06 

FIELD: wireless communication.

SUBSTANCE: method for performing repeated establishment of a PDCP object associated with a UM RLC entity in a wireless communication system comprises: when re-establishment of an object using a packet data convergence protocol (PDCP) is initiated, stopped and reset, by means of a PDCP object, a reordering timer of the PDCP entity, if PDCP object reordering timer is executed; and, by means of the PDCP object, delivering the entire stored PDCP service data unit (SDU) to the upper layers in the order of increasing the associated COUNT values.

EFFECT: technical result consists in providing processing for all remaining PDCP SDUs in reordering buffer, when PDCP-object associated with UM RLC-object performs procedure of repeated establishment.

20 cl, 1 tbl, 11 dwg