公开(公告)号：US20250031265A1

公开(公告)日：2025-01-23

申请号：US18714543

申请日：2022-11-30

Applicant: Telefonaktiebolaget LM Ericsson (publ)

Inventor： Xiaoming LI ,  Qiong Song ,  Chuanxin Liu ,  Juying Gan ,  Qian Chen

IPC: H04W76/19 ,  H04W24/04

Abstract: Embodiments of the present disclosure provide methods and apparatuses for failure recovery. A method performed by a mobility management entity, comprising determining a failure occurs at a first session management entity. The method further comprises sending a first message to a terminal device, wherein the first message includes a Protocol Data Unit, PDU, session status information indicating that the first session management entity related PDU session is inactive.