PACKET DATA UNIT (PDU) SESSION CONTINUITY IN ULTRA-RELIABLE LOW-LATENCY COMMUNICATIONS (URLLC) SCENARIOS

摘要

There are provided measures for packet data unit (PDU) session continuity in ultra- reliable low-latency communications (URLLC) scenarios. Such measures (of an apparatus including a first terminal and a second terminal operable in parallel with a first packet data unit session allocated to said first terminal and a second packet data unit session allocated to said second terminal, said second terminal being configurable for dual connectivity allowing simultaneous operation of two user plane paths) exemplarily comprise storingfirst information on said first packet data unit session allocated to said first terminal and second information on said second packet data unit session allocated to said second terminal, detecting a predetermined failure of said first terminal, deciding, based on said detecting,on transmission of a request for relocation of said first packet data unit session to said second terminalor for establishment of a third packet data unit session to said second terminal, said third packet data unit session providing session continuity of said first packet data unit session or a higher layer session supported by said first packet data unit session, and transmitting said request based on said first information.