44 results about "Inter-working function" patented technology

Certain aspects of the present disclosure provide techniques for interworking function selection by a remote user equipment (UE) for UE-to-network sidelink relay access. A method that may be performed by a remote user equipment (UE) includes receiving a plurality of interworking function configurations, for accessing a network via a sidelink relay UE, and a plurality of relay service codes. The remote UE determines a service to use for communications in the network. The remote UE selects one of the plurality of interworking function configurations based on the relay service code for the determined service.

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.

A method and apparatus are described for supporting a two-stage device-to-device (D2D) discovery using a D2D interworking function (IWF). A D2D IWF component may be configured to perform mapping between an application running on an application server and a third generation partnership project (3GPP) network, and provide a set of application programming interfaces (APIs) to allow discovery to be provided as a service to D2D applications. An application identifier may be mapped to a 3GPP identifier. Further, a method and apparatus are described for performing client-server discovery. A first wireless transmit / receive unit (WTRU) may be configured for a listen-only operation, and a second WTRU may be configured to transmit beacons. The first and second WTRUs may perform a radio access network (RAN) discovery procedure at an access stratum (AS) layer. A method and apparatus for performing charging for D2D service using a D2D IWF are also described.

In some implementations, a broadband network gateway (BNG) may receive, from a customer premises equipment, a dynamic host configuration protocol (DHCP) discover request, wherein the BNG is connected to the customer premises equipment and a fixed mobile interworking function (FMIF). The BNG may communicate with, based on the DHCP discover request, the FMIF. The BNG may provide to the customer premises equipment, and based on communicating with the FMIF, a DHCP offer that offers utilization of the BNG as a DHCP server. The BNG may receive from the customer premises equipment, and based on providing the DHCP offer, a DHCP request to request utilization of the BNG as the DHCP server. The BNG may provide to the customer premises equipment, and based on the DHCP request, a DHCP acknowledgment that acknowledges utilization of the BNG as the DHCP server.

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.

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.

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.

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.

Aspects of the subject disclosure may include, for example, a device, including: a processing system including a processor; and a memory that stores executable instructions that, when executed by the processing system, facilitate performance of operations of: receiving an indication of a priority level of an interworking function used by a boundary clock node; and selecting a best master clock using an algorithm that considers the priority level of the boundary clock node. Other embodiments are disclosed.

The invention relates to the field of power distribution networks, in particular to a distribution network single-phase earth 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 topological structure storage module, and provides electrical quantity and power grid topological structure information for the service layer. The service layer comprises a fault processing module and is used for carrying out fault line selection judgment to determine a fault line after receiving the single-phase earth fault signal and generating a fault sketch used for fault processing, the fault sketch is provided with a fault point preorder switch mark, and the fault point preorder switch mark is determined by the fault processing module according to the zero sequence current. The data format is uniform, the calculation cost is low, the limitation that data and functions between systems are not intercommunicated in the prior art is broken through, and the timeliness of fault processing is improved. A fault is positioned to a switch section level, and a technician accurately knows the position of the fault and how to carry out minimum isolation on the fault through a sketch.

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).

The present application discloses a communication method, belonging to the field of communications. In this method, a Fixed-Mobile Interworking Function (FMIF) receives an access request message carrying first authentication information including a fixed network device sent by a Broadband Network Gateway (BNG). The first authentication information is generated by the BNG based on a dialing message 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 according to 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 authenticates the fixed network device using the second authentication message. The communication network version to which the core network device belongs is a 5G communication network or a communication network higher than 5G.

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 disclose a method for transmitting public safety warning messages over a non-3GPP access networks. The method includes receiving, by an Access and Mobility Management Function (AMF) entity of the 3GPP system (100), at least one public safety warning message from Cell Broadcast Entity (CBE) and transmitting, by the AMF entity (160a) of the 3GPP system 3GPP system (100), at least one public safety warning message to a Non-3GPP Interworking Function (N3IWF) interface entity (180a) of the 3GPP system3GPP system (100), where the N3IWF interface entity (180a) connects the AMF entity (160a) to the non-3GPP access network. Further, the method includes transmitting, by the N3IWF interface entity (180a) of the 3GPP system 3GPP system (100), the at least one public safety warning message to at least one User Equipment (UE) over the non-3gpp access.

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.

An interworking function in a core network system, such as a 5G core network, attempts to establish a secure association with user equipment (UE) in an untrusted access network. When the secure association is not accepted by the 5G core network, the UE receives from the core network a response including 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.

A method includes generating a decision matrix for selection of a particular Non-3GPP InterWorking Function (N3IWF) server among a plurality of N3IWF servers, the decision matrix having multiple criteria including multiple N3IWF capabilities. The method also includes dynamically weighting at least one of the multiple criteria in the decision matrix, based on one or more adjustment factors. The method further includes applying a multi-attribute decision making technique to the decision matrix to select the particular N3IWF server, among the plurality of N3IWF servers, for a mobile device to connect to in a 5G network.

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.

Aspects of the subject disclosure may include, for example, a device, including: a processing system including a processor; and a memory that stores executable instructions that, when executed by the processing system, facilitate performance of operations of: receiving an indication of a priority level of an interworking function used by a boundary clock node; and selecting a best master clock using an algorithm that considers the priority level of the boundary clock node. Other embodiments are disclosed.

A broadband network gateway (BNG) in a wireline network. The BNG includes an interworking function in a control plane (IF-CP), the IF-CP configured to use a control plane interface (N1′ / N2′) between the BNG in the wireline network and a fifth generation (5G) core in a 5G network to couple a control plane of the BNG to a control plane of the 5G core; an interworking function in a user plane (IF-UP), the IF-UP configured to use a user plane interface (N3′) between the BNG in the wireline network and the 5G core in the 5G network to couple a user plane of the BNG to a user plane of the 5G core; and a transmitter configured to transmit data packets toward the 5G core after the user plane of the BNG and the user plane of the 5G core have been coupled.

The invention provides a method of registering an access in a network, the method comprising receiving in a second network a request to register a user equipment, UE, device over a second access network, the request including first information that the UE device is registered in a first network over a first access network; receiving in the second network second information regarding the UE device from the first network; establishing in the second network a security association with the UE device over the second access network; forwarding third information regarding the UE device to the first network by the second network; and registering in the first network the UE over the second access network while maintaining the registration of the UE in the first network over the first access network.

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.