公开(公告)号：US20220166878A1

公开(公告)日：2022-05-26

申请号：US17599645

申请日：2019-04-08

Applicant: Telefonaktiebolaget LM Ericsson (PUBL)

Inventor： Lei XIA ,  Zhiwei QU ,  Ralf KELLER ,  Peter HEDMAN ,  Stefan ROMMER

IPC: H04M3/436 ,  H04L65/1016 ,  H04M1/26 ,  H04M3/42 ,  H04W8/24 ,  H04W28/02

Abstract: Methods and apparatuses are disclosed for implementing mobile terminating call. According to an embodiment, a subscriber management node obtains, from a mobility management node, an indication that indicates whether a packet switching (PS) connection is currently active for a terminal device. The subscriber management node receives, from a server, a first query about whether a PS access domain is to be used for a terminating call to the terminal device. The subscriber management node sends a response to the server based on the obtained indication.

公开(公告)号：US20230042053A1

公开(公告)日：2023-02-09

申请号：US17788796

申请日：2019-12-24

Applicant: Telefonaktiebolaget LM Ericsson (publ)

Inventor： Lei XIA ,  Zhiwei QU

IPC: H04W8/16

Abstract: The present disclosure provides a method in a network node for controlling report of a Presence Reporting Area (PRA) status. The method includes: receiving from another network node a message indicating a default PRA status; and refraining from reporting an initial PRA status of a terminal device to the other network node when the initial PRA status is consistent with the default PRA status.

公开(公告)号：US20240323788A1

公开(公告)日：2024-09-26

申请号：US18271620

申请日：2021-11-29

Applicant: Telefonaktiebolaget LM Ericsson (publ)

Inventor： Lei XIA ,  Xiaoming LI ,  Xuemei ZHANG ,  Ce ZHANG ,  Nianshan SHI

IPC: H04W36/14

CPC classification number: H04W36/144

Abstract: Methods and apparatuses for handover between different radio access technologies (RATs) are disclosed. According to an embodiment, an access network node receives, from a mobility management entity (MME), information indicating that one or more bearers for a terminal device cannot be handed over to one or more RATs different than long term evolution (LTE). The access network node determines whether to perform a packet switched (PS) handover for the terminal device based on the information.

公开(公告)号：US20220377525A1

公开(公告)日：2022-11-24

申请号：US17795098

申请日：2020-02-20

Applicant: Telefonaktiebolaget LM Ericsson (publ)

Inventor： Lei XIA ,  Zhiwei QU

IPC: H04W8/04 ,  H04W8/06 ,  H04W8/08 ,  H04W68/00

Abstract: The present disclosure provides methods, nodes and computer readable medium for solving a dual VLR issue. The method at a first MSC/VLR includes: determining that a dual VLR issue occurs; and transmitting a dual VLR indication to a HSS/HLR for the HSS/HLR to trigger an MME that is serving a UE to initiate a process of solving the dual VLR issue.