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.

公开(公告)号：US11304244B2

公开(公告)日：2022-04-12

申请号：US17052715

申请日：2018-05-04

Applicant: Telefonaktiebolaget LM Ericsson (publ)

Inventor： Xiaoming Li ,  Hui Gu ,  Qiong Song

IPC: H04W76/11 ,  H04W60/04 ,  H04W72/04

Abstract: A method in a SCEF is provided. The method comprises receiving a message indicating that non-IP data is to be delivered to a UE. The method further comprises retrieving information associated with a MME serving the UE. The method further comprises transmitting, to the MME, a message triggering establishment of a connection between the SCEF and the MME for delivering the non-IP data. Other devices and methods for connection establishment between MME and SCEF are also provided.

公开(公告)号：US12213053B2

公开(公告)日：2025-01-28

申请号：US17599608

申请日：2020-03-17

Applicant: Telefonaktiebolaget LM Ericsson (publ)

Inventor： Xiaoming Li ,  Bela Rathonyi ,  Emre Yavuz ,  Nianshan Shi ,  Qiong Song

IPC: H04W48/02 ,  H04W4/70 ,  H04W8/22 ,  H04W48/16

Abstract: The present disclosure relates to a method performed by a first network node. The first network node determines which UE category a UE belongs to. The UE category is M or non-BL in CE. The first network node provides UE category information about the determined UE category to a second network node.

公开(公告)号：US11956718B2

公开(公告)日：2024-04-09

申请号：US17423479

申请日：2019-01-16

Applicant: Telefonaktiebolaget LM Ericsson (publ)

Inventor： Qiong Song ,  Xiaoming Li ,  Lu Wang

IPC: H04W48/20 ,  H04W60/04 ,  H04W76/20

CPC classification number: H04W48/20 ,  H04W60/04 ,  H04W76/20

Abstract: A method for selection of a core network. The method which can be performed by a first network node comprises receiving a message for a terminal device from a second network node. The message can enable the first network node to determine a category of the terminal device. The method further comprises selecting a core network for the terminal device based at least in part on the category of the terminal device. The terminal device can be served by a dedicated core network selected for the terminal device adaptively, so that network configuration and resource efficiency can be improved.

公开(公告)号：US20220191766A1

公开(公告)日：2022-06-16

申请号：US17599608

申请日：2020-03-17

Applicant: Telefonaktiebolaget LM Ericsson (publ)

Inventor： Xiaoming Li ,  Bela Rathonyi ,  Emre Yavuz ,  Nianshan Shi ,  Qiong Song

IPC: H04W48/02 ,  H04W4/70 ,  H04W48/16 ,  H04W8/22

Abstract: The present disclosure relates to a method performed by a first network node. The first network node determines which UE category a UE belongs to. The UE category is M or non-BL in CE. The first network node provides UE category information about the determined UE category to a second network node.