Telefonaktiebolaget Lm Ericsson (publ)

Zhiwei Qu

Yong Yang

Xiaoming Li

Dongmei Zhu

Mei Dong

Lasse Olsson

Lu Wang

Jia Wang

Lei Xia

Fei Zeng

Kimi Jiao

Pengyu Xu

Jinyin Zhu

Yixin Chen

Ralf Keller

Peter Hedman

Stefan Rommer

Xiao Li

Lei Guo

Ping Zhou

Kaj Johansson

Di Liu

Qi Xia

Jie Cai

Yin Wang

Hanbing Zhang

Ping Sha

Huiping Ding

Sui Xu

Jueqi Wang

Zhao Yu

Zhiqiang Zhao

Meijuan Zheng

Shiyu Yang

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.

Methods, nodes and computer readable medium for solving dual VLR issue

The present invention generally relates to wireless communication technology. More particularly, the present invention relates to a method for providing a user equipment (UE) with directions in a communication network. The present invention also relates to apparatus and computer program product adapted for the same purpose. According to one aspect of the present invention, a method for performed by a network function (NF) for access and mobility management for providing directions to a user equipment (UE) in a communication network, the method comprising: a) instructing a short message service function (SMSF) to generate a message including the directions; b) receiving from the SMSF the message including the directions; and c) forwarding the message including the directions to the UE.

Method and apparatus for providing a user equipment with directions in a communication network

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.

Methods and apparatuses for implementing mobile terminating call

The present disclosure provides methods and network function nodes for managing a communication of contents for a first UE. The method includes retrieving subscription data for the first UE from a third NF node, the subscription data indicating an identifier of a second UE which is a target of the contents for the first UE, transmitting the contents and the identifier of the second UE to a second NF node, receiving a message built with the contents from the second NF node, and transmitting the message to the second UE. The present disclosure further provides corresponding computer readable medium.

Methods, network function nodes and computer readable media for contents communication management

A method performed by a network node for restoring a Short Message Service (SMS) service in a connection between User Equipment (UE) and a communications network is provided. The UE is attached to the communications network with Evolved Packet System (EPS) attach and SMS only, via a radio network node, a Visitor Location Register (VLR) Mobile Switching Centre (MSC), and the network node. When receiving information that indicates a restart of the VLR MSC in the connection, network node sends () to the radio network node, an indication to trigger the UE to send a Tracking Area Update (TAU) request with SMS only. The network node receives () the TAU request with SMS only, triggered by the UE according to the indication sent to the radio network node. The network node then restores () the SMS service based on information in the TAU request with SMS only, received from the UE.

Network node, user equipment and methods in a wireless communications network

The embodiments herein relate to reducing signaling for DoNAS (Data over Non-Access Stratum) via SGi. In one embodiment, there proposes a method () in a mobility management node (), comprising: establishing (S) an S11-U connection between the mobility management node () and a gateway node (); monitoring (S) the frequency of data transferring request for a wireless device (); and deciding (S) whether or not to release the S11-U connection based on the frequency of data transferring request. With the embodiments herein, the signaling between the mobility management node and the gateway node can be significantly reduced, without introducing extra signaling or message to the existing network.

Reducing signaling for data over non-access stratum via an SGI interface

Methods and apparatuses are disclosed for public land mobile network (PLMN) rate control. According to an embodiment, a network function determines whether a value of PLMN rate control applicable to a terminal device has been changed. When determining that the value of PLMN rate control has been changed, the network function sends the changed value of PLMN rate control to the terminal device.

Methods and apparatuses for PLMN rate control

The present disclosure relates to a mobile switching node and a mobility management node to page a terminal device. The present disclosure may provide a method for a mobile switching node to page a terminal device. The method includes: storing (S) an indication of whether a terminal device supports a circuit switching call function; receiving (S) a request to implement the circuit switching call function, in regard to a subscriber number corresponding to the terminal device; and sending (S), to a mobility management node, a circuit switching paging request for the terminal device, in response to that the indication shows the terminal device supports the circuit switching call function.

Mobile switching node and mobility management node to page terminal device

A method implemented by a network device for mobility management in a wireless communication network is provided. The network device is communicatively connected to at least a user equipment in the wireless communication network. The method comprises determining whether the user equipment is in a fast-moving state upon receipt of a tracking area update request from the user equipment. The method further comprises: in response to the user equipment being in the fast-moving state, configuring a tracking area identity list associated with the user equipment to include only a current tracking area identity associated with the user equipment, and paging the user equipment using the tracking area identity list. Accordingly, a network device for mobility management in a wireless communication network is also provided.

Methods and devices for mobility management

Methods and apparatuses for exposure of presence reporting area (PRA) functionality are disclosed for a wireless communication system. According to an embodiment, a service capability exposure function (SCEF) entity receives, from a requesting server, a first request for initiating PRA functionality for at least one user equipment (UE). The PRA functionality is used to monitor whether the at least one UE is located in at least one area of interest. The SCEF entity obtains at least one monitored result for the at least one UE from a mobility management node via a home subscriber server (HSS) or via a policy and charging rules function (PCRF) entity. The SCEF entity sends the at least one monitored result to the requesting server.

Methods and apparatuses for exposure of presence reporting area functionality

A method for communications is proposed. The method may comprise transmit a request for a packet data network connection of the terminal device to a network node. The method may further comprise receiving a response to the request from the network node. The response may indicate whether user plane setup is needed for data transfer on the packet data network connection.

Configuration of a packet data network connection

The present disclosure provides a method in a Next Generation Core Control Function (NG-CCF) node for communication with a Next Generation Policy Control Function (NG-PCF) node. The method comprises: communicating network related parameters with the NG-PCF node via a direct interface between the NG-CCF node and the NG-PCF node.

Method and node for communication between next generation core control function and next generation policy control function

A method in a mobility management node for handling information in a network. The node is associated with a wireless device being served by a serving network. The node obtains information about that at least one of the serving network and a time zone and a UCI, has been changed for the device, and information about that the change has not been transmitted to a SGW. When at least one of the serving network and the time zone and the UCI, has been changed, and information about the change has not been transmitted to the SGW, the node transmits the information about at least one of the changed serving network and time zone and UCI, to the SGW, enabling the SGW to forward this information to a PGW.

Report of serving network, time zone, and UCI

A mobility management node and a method in a mobility management node for reducing signalling caused by changes of location of a radio terminal, which mobility management node is configured to be operatively comprised by a wireless communication system and to operatively manage the mobility of the radio terminal and to operatively communicate with a gateway node acting as an interface between the system and an external network. The method comprises obtaining initial position information; obtaining boundary information indicating a boundary area wherein at least one of a policy or a charging rule is to be applied for the radio terminal; obtaining current position information; determining whether the radio terminal is inside or outside the boundary area; providing mobility information when the radio terminal is outside the boundary area and not providing mobility information to the gateway node when the radio terminal is inside the boundary area.

Reducing signaling load caused by change of terminal location

A smart 3GDT schema has been disclosed, in detail, a method for controlling the communication of a network system has been disclosed. The network system comprises a UE, a NodeB, a RNC, a SGSN, and a GW. The UE is arranged to be in communication with the RNC via the NodeB, and the RNC is arranged to be in communication with the SGSN which in turn being arranged to be in communication with the GW for non-3GDT communication of the network system, or the RNC is arranged to be in communication with the GW for 3GDT communication of the network system. In this method, statistics of payload transferred between the UE and the GW has been monitored, and if the statistics of payload within a predetermined time period exceeds a first threshold, and the UE is in the non-3GDT communication, then switching the non-3GDT communication to the 3GDT communication. The present application has also disclosed the SGSN, GW, and the network system adaptive to perform the method.

Growing community of inventors

Shanghai, China

Zhiwei Qu