28 results about "Inter-working function" patented technology

Methods and apparatus for: i) providing a user equipment (UE) access to a core network, e.g., a 3GPP 5G core network, via a wireless local area network access point (WLAN AP) (e.g., a non-integrated non-3GPP access network), without the use of a non-3GPP Interworking Function (N3IWF) or a Trusted non-3GPPP Gateway Function (TNGF) and ii) allowing the transfer of application data via the core network are described. The transfer of application data is, i.e., in both directions, e.g. UE to User Plane Function (UPF) to data network (DN) and DN to UPF to UE. The access obtained by the UE does not require the presence of a 3GPP access network, e.g., a 3GPP radio access network (RAN) such as a gNB.

Provided herein are techniques to facilitate multiple sessions for a wireless device with a mobile core network via a trusted WLAN. In one example, a method may include obtaining, by an interworking function of a WLAN, an indication that a wireless device seeks to establish a session with the mobile core network, wherein the indication comprises first parameters associated with the session. The method may further include upon identifying, by the interworking function, that the first parameters match a route selection rule of a plurality of route selection rules for the wireless device, facilitating establishment of the session with the mobile core network based on the first parameters. In one instance, the wireless device is not capable of Non-Access-Stratum (NAS) signaling with the mobile core network via the WLAN.

The application relates to a service distribution method and device, computer equipment, a computer readable storage medium and a computer program product. The method comprises the following steps: accessing a core network through a first interworking function network element, establishing an initial PDU (Protocol Data Unit) session; if the service performance requirement of a target service is local distribution, initiating a service local distribution request based on a preconfigured local distribution strategy; receiving a service distribution response message fed back for the service local distribution request, wherein the service distribution response message carries redirection indication information and the address of a second interworking function network element; establishing a connection with the second interworking function network element based on the redirection indication information and the address of the second interworking function network element, and establishing a target PDU session; and sending service data flow to the second interworking function network element, and forwarding the service data flow of the target service in the service data flow to a local server through the target PDU session corresponding to the second interworking function network element. The method realizes the flexibility of service data transmission.

The invention provides a method for a user equipment (UE) to handover a connection to a first data network from a first access network of a first mobile communication network to a second access network in a second mobile communication network, wherein a communication tunnel to a non-3GPP interworking function (N3IWF) is established in the first communication network and after the handover to the second mobile communication network, the second network establishes a connection to the N3IWF.

An authentication method for accessing a 3rd generation partnership project (3GPP) network via a non-3GPP access network, is performed by a terminal, and includes: in a case that the terminal accesses the 3GPP network via an untrusted non-3GPP access network, according to a performed registration operation, sending at least one of a registration type, a user identifier and an identifier of a non-public network, that the terminal needs to register with, corresponding to the registration operation to a non-3GPP interworking function (N3IWF).

The invention relates to a 6G multi-access intelligent QoS unified framework and dynamic strategy execution method, which comprises the following steps that: a user terminal reports service requirements and terminal context information, and meanwhile, a cellular access network element, a non-3GPP interworking function entity and a non-ground network gateway respectively collect and report network state parameters of access domains to which the cellular access network element, the non-3GPP interworking function entity and the non-ground network gateway belong to form a cross-domain heterogeneous data set; performing normalization processing and dynamic weight distribution on the multi-dimensional heterogeneous QoS parameters in the cross-domain heterogeneous data set through a unified QoS mapping engine, and generating a global unified QoS level descriptor; and probe equipment deployed in each access network element and the enhanced user plane function entity acquires end-to-end key performance index data of the service flow in real time, and reports the end-to-end key performance index data through a feedback channel.

The present disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate, and to a method performed by a non-3GPP interworking function (N3IWF) entity of a wireless communication system, the method comprising the steps of: receiving session management information from a session management function (SMF) entity via an access and mobility management function (AMF) entity, the session management information includes an explicit congestion notification (ECN) flag indication for supporting low latency, low loss, and scalable throughput (L4S) in non-3GPP access; determining a connection of an Internet Protocol Security (IPsec) sub-security association (SA) supporting a Quality of Service (QoS) flow of the L4S; and sending a message for requesting the IPsec sub-SA connection to the terminal.

The present invention provides a method for a user equipment, UE, device to hand over a connection to a first data network from a first access network of a first mobile communications network to a second access network of a second mobile communications network, in which a communication tunnel is established in the first communications network to a non-3GPP interworking function and after the handover to the second mobile communications network, the second network establishes a connection to that N3IWF.

This application provides a method, apparatus, electronic device, medium, and product for voice conversation calls. The method includes: an MCX proxy server determining a target group from multiple pre-configured groups in an Interworking Function (IWF) whose first attribution information is information of interest; receiving a call request initiated by a first user terminal; and establishing a conversational call channel between the IWF and the Mission-Critical Service (MCX) based on the call request. Then, it receives voice information sent by the first user terminal and sends the voice information to the target group through the established conversational call channel, so that multiple second user terminals in the target group receive the voice information. This method, through the MCX proxy server, requires only one conversation between the IWF and the MCX to send voice information to multiple terminals, reducing bandwidth and conversation resource consumption.

Systems, methods, apparatuses, and computer program products for determination of non-3GPP interworking function(s) (N3IWFs), which support slices targeted by a device or user equipment (UE), are provided. One method may include transmitting, by a UE or device, a request to at least one network node. The request may be to obtain information on network slices supported by at least one N3IWF. The method may also include receiving, from the at least one network node, a response comprising information for one or more N3IWFs and, based on the received information for the N3IWF(s), selecting one of the N3IWF(s) to use to connect to a 5G core network (5GC).

In one aspect, a control plane Interworking Function (IWF-C) is used to establish a Packet Data Unit (PDU) session in a data communications network. A create session request is received, for example from a Mobile Management Entity (MME). A create session management context request is generated by the IWF-C and transmitted to a Session Management Function (SMF). A create session management context request response is received from the SMF. A create session request response is generated by the IWF-C and sent, for example to the MME. In other aspects, control plane policy interworking and user plane interworking is provided between components of 4G and 5G networks.

This application discloses a communication method, and relates to the communications field. In the method, a fixed mobile interworking function (FMIF) receives an access request message that carries first authentication information of a fixed network device and that is sent by a broadband network gateway (BNG), where the first authentication information is generated by the BNG based on a dial-up packet sent by the fixed network device, and the first authentication information includes an identifier of the fixed network device. The FMIF encapsulates the first authentication message in a message format supported by a control plane interface between the FMIF and a core network device, to obtain a second authentication message; and the FMIF sends the second authentication message to the core network device through the control plane interface. The core network device performs authentication on the fixed network device based on the second authentication message.

The disclosed method and system optimize IPSec connectivity and security association establishment in trusted and / or untrusted non-3GPP access scenarios, such as non-3GPP access with a Trusted Non-3GPP Gateway Function (TNGF) and / or Non-3GPP Interworking Function (N3IWF) in a 5G network architecture. The method involves initiating an Internet Key Exchange (IKE) protocol initiation communication from the User Equipment (UE) to the TNGF or N3IWF, which includes a MOBIKE_SUPPORT indicator to signal the UE's MOBIKE capability. The TNGF or N3IWF, in response to the MOBIKE_SUPPORT indicator, enables the use of MOBIKE to optimize an Internet Protocol Security (IPSec) session re- establishment when the UE moves to a different Trusted Non-3GPP Access Point (TNAP) connected to the same TNGF. The system includes the UE and TNGF configured to perform the method. The method and system minimize disruptions and latency during IPSec session re- establishment.

The present disclosure relates to a pre-5th generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th generation (4G) communication system such as long term evolution (LTE). Embodiments herein provide a method of authentication and authorization between a MSGin5G server and a MSGin5G client, the method comprising: receiving, by a MSGin5G interworking function, a pre-shared key request from one of a SEAL server and a MSGin5G Server; deriving, by the MSGin5G interworking function a pre-shared key KMSG-PSK in response to the pre-shared key request; sending, by the MSGin5G interworking function, the pre-shared key KMSG-PSK to one of the SEAL server and the MSGin5G Server; deriving, by a MSGin5G client, the pre-shared key upon receiving either before or after service provisioning procedure; and establishing a TLS session using the pre-shared key KMSG-PSK derived by the MSGin5 interworking function and the MSGin5G client.

Systems, methods and computer software are disclosed a 5G mobile network. In one embodiment a method is disclosed, comprising: providing a 5G standalone (SA) base station; providing an Interworking Function (IWF) in communication with the 5G SA base station; providing an Evolved Packet Core (EPC) in communication with the IWF; and functioning, by the IWF, as an Access and Mobility Management Function (AMF) to the 5G SA base station and functioning as a Mobility Management Entity (MME) towards the EPC.

Various systems, apparatuses, and methods for Establishment of multi-access (MA) protocol data unit (PDU) Sessions using multipath (MP) QUIC based steering, switching, and splitting are provided. A user equipment (UE) requests a MA PDU Session. A session management function (SMF) determines that only MP QUIC steering is used. The SMF signals a non-third generation partnership project (non-3GPP) interworking function (N3IWF) to set up one or more user plane resources over one or more internet protocol (IP) security (IP Sec) tunnels with null encryption. The MA PDU session excludes standard IPSec encryption for user data. The N3IWF performs internet key exchange (IKE) signaling with the UE to negotiate the one or more IP Sec tunnels with null encryption. The N3IWF transparently transmits user data without applying IPSec encryption.

Techniques for managing a communication session for a user equipment (UE) are described herein. The UE may include a device that does not include a radio modem used for communication over a core network (e.g., an IoT device, a laptop, a server, etc.). The UE may be provided credentials that may be securely stored and used to authenticate and establish a connection (e.g., via a N3IWF interface) with a telecommunications network. The credentials may uniquely identify the UE and include access capability to securely be modified as needed. The techniques discussed herein include utilizing a Lightweight Mobile-to-Mobile (LWM2M) client in the UE to communicate with the UE and provide credentials that may be stored by the UE as a list of encrypted custom objects.

Apparatuses, methods, and systems are disclosed for modifying a first data connection during the establishment of a second data connection. One apparatus includes a processor and a transceiver that receives a first request via a first data connection with a first mobile network, the first request containing a first set of parameters for establishing a second data connection with an interworking function in a second mobile network. Via the transceiver, the processor sends a second request to modify the first data connection, the second request containing a second set of parameters for modifying the first data connection to support the data traffic of the second data connection and transmits the data traffic of the second data connection through the modified first data connection.

The present disclosure relates to wireless communications, and more particularly to providing connectivity of a PC5 remote user equipment (UE) with UE-to-network (NW) relay access to the 5G core (5GC) via an IWF (e.g., N3IWF). In one aspect, a remote UE may be provided support for a network access stratum (NAS) connection with 5GC via an IWF. In another aspect, Access Traffic Steering, Switching and Splitting (ATSSS) support may be provided for a remote UE.

Processing failure for non-3GPP access to a 5G CN is provided. An interworking function in a core network system, such as a 5G core network, attempts to establish a security association with a user equipment (UE) in an untrusted access network. When the 5G core network does not accept the security association, the UE receives a response from the core network that includes a message type indicating that non-3GPP access to the 5G core network is not allowed. Upon receiving the response message, the UE ends the session by sending a 5G stop message formatted in an extensible authentication protocol (EAP) response. The EAP response / 5G stop message includes a message ID field with a 5G stop value.

In one aspect, a control plane Interworking Function (IWF-C) is used to establish a Packet Data Unit (PDU) session in a data communications network. A create session request is received, for example from a Mobile Management Entity (MME). A create session management context request is generated by the IWF-C and transmitted to a Session Management Function (SMF). A create session management context request response is received from the SMF. A create session request response is generated by the IWF-C and sent, for example to the MME. In other aspects, control plane policy interworking and user plane interworking is provided between components of 4G and 5G networks.

Apparatuses, methods, and systems are disclosed for determining a radio access technology (RAT) type for an untrusted access network. One apparatus includes a processor coupled with the memory and configured to cause the apparatus to: communicate with a non-3GPP interworking function (N3IWF) in a mobile communication network; receive a message via the N3IWF, the message comprising access network information (ANI) for a first access network and a registration request associated with a user equipment (UE) connected to the N3IWF via the first access network; determine a RAT type for the first access network based on the ANI; determine whether to accept the registration request based on the determined RAT type; and transmit a registration response message to the UE, the registration response message based on the determination whether to accept the registration request.

Methods and apparatus for: i) providing a user equipment (UE) access to a core network, e.g., a 3GPP 5G core network, via a wireless local area network access point (WLAN AP) (e.g., a non-integrated non-3GPP access network), without the use of a non-3GPP Interworking Function (N3IWF) or a Trusted non-3GPPP Gateway Function (TNGF) and ii) allowing the transfer of application data via the core network are described. The transfer of application data is, i.e., in both directions, e.g. UE to User Plane Function (UPF) to data network (DN) and DN to UPF to UE. The access obtained by the UE does not require the presence of a 3GPP access network, e.g., a 3GPP radio access network (RAN) such as a gNB.

An apparatus establishes a secure tunnel within a non-3GPP network to connect to a 5G core network (5GCN) via a non-3GPP Interworking Function (N3IWF) service of the 5GCN. The apparatus lacks subscriber identity module (SIM) capability and eSIM capability. The non-3GPP network connects to the 5GCN using a backhaul network that lacks a radio access network (RAN). The apparatus includes a connectivity stack that configures the apparatus to establish the secure tunnel. The connectivity stack includes a control plane layer and a user plane layer. The apparatus sends a registration request to the 5GCN via the established secure tunnel. The apparatus performs a security handshake with the 5GCN via the N3IWF service. The security handshake includes an exchange of security parameters between the apparatus and the N3IWF service. The apparatus receives a message indicating that registration of the apparatus with the 5GCN over the non-3GPP network is complete.

The disclosed method and system optimize IPSec connectivity and security association establishment in trusted and / or untrusted non-3GPP access scenarios, such as non-3GPP access with a Trusted Non-3GPP Gateway Function (TNGF) and / or Non-3GPP Interworking Function (N3IWF) in a 5G network architecture. The method involves initiating an Internet Key Exchange (IKE) protocol initiation communication from the User Equipment (UE) to the TNGF or N3IWF, which includes a MOBIKE_SUPPORT indicator to signal the UE's MOBIKE capability. The TNGF or N3IWF, in response to the MOBIKE_SUPPORT indicator, enables the use of MOBIKE to optimize an Internet Protocol Security (IPSec) session re-establishment when the UE moves to a different Trusted Non-3GPP Access Point (TNAP) connected to the same TNGF. The system includes the UE and TNGF configured to perform the method. The method and system minimize disruptions and latency during IPSec session re-establishment.

The application relates to the field of power distribution networks, in particular to a distribution network single-phase grounding fault processing system and method. The processing system comprises a data layer and a service layer. The data layer comprises an electrical quantity acquisition module and a power grid topology structure storage module, and provides the service layer with electrical quantity and power grid topology structure information. The service layer comprises a fault processing module, which is used for determining a fault line through fault line selection judgment after receiving a single-phase grounding fault signal, and generating a fault sketch for fault processing, the fault sketch being provided with a fault point pre-switch label, and the fault point pre-switch label being determined by the fault processing module according to zero sequence current. The data format is unified, the calculation cost is low, the limitation that data cannot be communicated and functions cannot be communicated between systems in the prior art is broken through, and the timeliness of fault processing is improved. The fault is positioned to a switch section level, and a sketch is used to enable a technician to accurately know the position where the fault occurs and how to minimize isolation of the fault.

An apparatus establishes a secure tunnel within a non-3GPP network to connect to a 5G core network (5GCN) via a non-3GPP Interworking Function (N3IWF) service of the 5GCN. The apparatus lacks subscriber identity module (SIM) capability and eSIM capability. The non-3GPP network connects to the 5GCN using a backhaul network that lacks a radio access network (RAN). The apparatus includes a connectivity stack that configures the apparatus to establish the secure tunnel. The connectivity stack includes a control plane layer and a user plane layer. The apparatus sends a registration request to the 5GCN via the established secure tunnel. The apparatus performs a security handshake with the 5GCN via the N3IWF service. The security handshake includes an exchange of security parameters between the apparatus and the N3IWF service. The apparatus receives a message indicating that registration of the apparatus with the 5GCN over the non-3GPP network is complete.

A method may include providing a network data analytics function (NWDAF) in a network and providing, a non-third generation partnership project (3GPP) interworking function (N3IWF) in the network. The method may also include subscribing, by the N3IWF, to the NWDAF, and obtaining, by the NWDAF and from the N3IWF, data associated with processing performed by the N3IWF.