40 results about "Network Access Identifier" patented technology

Systems, methods, apparatuses, and computer program products for enhanced location services in 5G are provided. One method may include storing, at a network node, at least one of data network access identifier(s) (DNAIs), an indication of serving area(s), and / or slice information that is supported by a location management function (LMF) with or in a LMF profile. The method may also include transmitting, to a consumer network function (NF), the LMF profile with the at least one of DNAIs, indication of serving area(s), or slice information supported by the LMF.

A wireless communication method includes: acquiring an electronic product code (EPC) uniform resource identifier (URI) from an environmental Internet of Things (IoT) device; and formulating a network access identifier (NAI) format subscribing to a permanent identifier (SUPI) based on the acquired EPC URI.

A method of establishing a dynamic PUD session for an anycast service by means of an Anycast Application Function (AF) includes: subscribing to a PDU session establishment event exposure notification for traffic targeting an anycast IP address; receiving a user plane management event exposure notification message including a UE address and optional UE location information via a Network Exposure Function (NEF) from a Session Management Function (SMF) determining that an AF notification trigger has been satisfied through the anycast IP address in accordance with a PDU session establishment request for an anycast IP address-based service of UE; selecting an optimal Data Network Access Identifier (DNAI) for the requested PDU session on the basis of currently monitored network and computer metrics and the UE location information; and transmitting the selected DNAI and routing information to the NEF through a preset message.

The invention discloses a medium-voltage carrier-based plug and play implementation method for power distribution terminals and a topology recognition device, and the method comprises the steps: each power distribution terminal is connected to a power distribution network through carrier equipment, and each power distribution terminal is preset with a self-description identifier, an upstream equipment self-description identifier and a downstream equipment self-description identifier; after a to-be-accessed power distribution terminal accesses a medium-voltage power grid, a network access request frame is broadcasted to other power distribution terminals through medium-voltage carrier waves, after a power distribution terminal adjacent to the to-be-accessed power distribution terminal receives the network access request frame, identity authentication is carried out according to a network access identifier of the to-be-accessed power distribution terminal obtained through analysis, and after the authentication is passed, the to-be-accessed power distribution terminal is accessed to the medium-voltage power grid. Establishing two-way communication connection based on medium-voltage carrier waves; and the to-be-accessed power distribution terminal equipment sends a registration frame to the adjacent power distribution terminal, the topological relation in the terminal is updated, plug and play is realized, and terminal networking is completed. According to the invention, communication networking can be automatically carried out, the communication efficiency of the power distribution terminal is improved, and the accuracy of topology identification is greatly improved.

The application relates to a communication method, device and system. A first network element learns that a terminal device requests to access a first application, and selects a first data network access identifier for the terminal device, wherein the sum of a first time delay and a second time delay is less than or equal to an access time delay threshold of the first application. The first time delay is a transmission time delay between the terminal device and a core network device corresponding to the first data network access identifier, or a transmission time delay between an access network device serving the terminal device and the core network device corresponding to the first data network access identifier; and the second time delay is a processing time delay of an edge application server in a first data network, the first data network access identifier being used to identify the first data network, and the edge application server being used to support the first application. The selection of the first network element is more conducive to the terminal device to quickly access the first application, thereby improving the access experience of a user using the terminal device for a service of the application.

The application discloses a wireless communication method, a wireless communication platform, an electronic device and a computer readable storage medium, receiving first DNS configuration information associated with a first application network element sent by an edge computing server; the first DNS configuration information comprises at least one of a data network address, an application network element service identifier, a data network access identifier, a fully qualified domain name, a service filtering identifier and domain name system information; configuring the first DNS configuration information for a to-be-configured network element associated with the first application network element in a core network device, and sending DNS feedback information to the edge computing server; the DNS feedback information is used for indicating that the to-be-configured network element is successfully configured, or indicating that the to-be-configured network element fails to be configured. In this way, it is ensured that a terminal device can access services carried on the edge computing server through local DNS services.

A communication method and apparatus. The method can be applied to non-terrestrial network (NTN) communication, and can be used for selecting an appropriate edge application server (EAS) and branching point for a terminal in a scenario where EASs / user plane functions (UPFs) are deployed on satellites, thereby ensuring the transmission of service data and improving user experience. The method comprises: a control plane network element (such as a session management network element) acquiring information of a first UPF on the basis of information of a first service and service deployment information, and then sending the information of the first UPF to determine an EAS, or configuring the first UPF on the basis of the information of the first UPF, wherein the EAS or the first UPF is used by a terminal to access the first service. The service deployment information comprises at least one of the following: time information corresponding to service information, an NTN device identifier corresponding to the service information, or a data network access identifier corresponding to a service, wherein the data network access identifier corresponds to an NTN device.

The present application relates to the technical field of wireless communications. Provided are a communication method and apparatus. The method comprises: a session management network element acquiring a data network access identifier of a first service, and determining that the first service is a service of a first type, wherein the service of the first type is a service meeting a quality-of-service and / or position deployment requirement; the session management network element instructing a first network element to create or update a processing rule for the first service of a terminal, wherein the processing rule for the first service instructs that the session management network element be notified when the terminal initiates the first service; and the session management network element receiving first notification information from the first network element, wherein the first notification information indicates that the terminal initiates the first service. In the present application, when the distance between the position of an application server corresponding to a first service and the position where a terminal is located is relatively large, a first network element may also determine that a service initiated by the terminal hits a processing rule, and then send a first notification message to a session management network element, so as to notify the session management network element to process the service initiated by the terminal.

A communication method and apparatus are used for realizing reasonable determination of a second SMF of a session of a terminal device. The method comprises the following steps: a first session management network element receives first request information from an access and mobility management function network element, wherein the first request information comprises position information of terminal equipment and a session establishment request; the first session management network element determines a first data network access identifier according to the location information of the terminal device and a first corresponding relationship, the first corresponding relationship comprising a corresponding relationship between N pieces of location information and M data network access identifiers, and the N pieces of location information comprising the location information of the terminal device, the M data network access identifiers comprise a first data network access identifier, and N and M are positive integers; and the first session management network element sends a first data network access identifier and a session establishment acceptance message to the access and mobility management function network element, wherein the first data network access identifier is used for the access and mobility management function network element to determine a second session management network element of the session.

The invention provides a communication method and device, relates to the technical field of communication, and aims to support a terminal to access a plurality of edge application servers, improve the communication efficiency and enrich the user experience. The method comprises: a first session management function network element receiving a first message, the first message comprising at least two allowed data network access identifiers, the first message being used for indicating that traffic is allowed to be unloaded to an application device corresponding to the data network access identifiers, the at least two allowed data network access identifiers comprise a first data network access identifier corresponding to the first application device and a second data network access identifier corresponding to the second application device; and determining a second session management function network element supporting unloading of the traffic to the second application device, and requesting the second session management function network element to unload the traffic to the second application device.

A method is provided in connection with routing traffic in a Protocol Data Unit (PDU) session of a wireless network. The method involves a Policy Control Function (PCF) receiving a request to influence traffic routing, determining to request energy cost information based on the request, and transmitting a message to an Energy Efficiency Control Function (EECF). The PCF determines a routing policy based on the received energy cost information and transmits it for use in the PDU session. The energy cost information includes respective energy cost information for each Data Network Access Identifier (DNAI) associated with the PDU session. A system implementing the method comprises circuitry for the PCF and EECF. Another method involves a Session Management Function (SMF) of a wireless network in connection with routing traffic in a PDU session.

Apparatuses, methods, and systems are disclosed for re-authentication key generation. One method (1100) includes transmitting (1102) a re-authentication key with a key set identifier in an extensible authentication protocol message. The re-authentication key is generated using: a public land mobile network identifier; a serving network name identifier; a trusted network domain name identifier; a trusted gateway function identifier; a subscription permanent identifier; a network access identifier; a user equipment identifier; a reauthentication code; a separator; a length of a parameter; or some combination thereof.

Provided are communication methods and devices. The communication method includes: a first network element sends an application function (AF) request, the AF request carrying at least one of the following: user plane information of the first network element; data network access identifier (DNAI) information of the first network element; information of a terminal device; or user plane session information corresponding to a user plane perception / positioning service. A user plane path can be selected, thereby saving network resources.

A method implemented in a first network node is described. The method includes determining that application context relocation (ACR) is to be performed in the bundled packet based on service areas and / or data network access identifiers (DNAIs) of all of the bundled EASs. Each of the bundled EAS has at least one session with an application client (AC) in a user equipment (UE). The method also includes discovering a target EAS in a bundle packet of the bundled EAS, where the target EAS is within a same edge data network (EDN) or a different EDN based on EAS relevance, and transmitting a declaration message to an edge enabled server (EES), the declaration message including the identifier (s) and the endpoint (s) of the selected target EAS, where the target EAS is within the same EDN or the different EDN based on EAS relevance. The method may be used to cause initiation of an application context transfer (ACT) procedure between an EAS in the bundled EAS and a selected target EAS in the bundled packet.

The invention discloses a multi-level password authentication method and system oriented to the industrial Internet, and relates to the field of the industrial Internet, and the method comprises a collection module which is used for collecting the equipment hardware features, network access identification and operation body biological feature information of a to-be-authenticated body in the industrial Internet, and forming a three-dimensional identity basic data set of the to-be-authenticated body; the generation module is used for receiving the three-dimensional identity basic data set and applying the data set to generate a dynamic initial key bound with the identity of the subject to be authenticated; according to the method, the equipment hardware features, the network access identifier and the biological features of the operation subject of the industrial internet to-be-authenticated subject are collected to form the three-dimensional identity basic data, the dynamic initial key is generated in combination with the timestamp and the root key, and the key is updated in real time along with the change of the identity data, so that the uniqueness and security of identity binding are improved.

A communication method, and an apparatus. In the method, a first network device receives a first message, the first message comprising a first data network access identifier (DNAI) and a second DNAI and being used for instructing to establish a tunnel between a first DN corresponding to the first DNAI and a second DN corresponding to the second DNAI, the first DN being within the management scope of the first network device; when the second DN is not within the management scope of the first network device, but is within the management scope of a second network device, the first network device interacts with the second network device to establish a tunnel between the first DN and the second DN. The described method achieves establishing a node-level forwarding tunnel between DNs; in the case where two DNs are not within the management scope of a same session management network element, two session management network elements may together control establishment of a node-level forwarding tunnel between the first DN and the second DN, thereby solving the problem in the prior art that since only one session management network element controls establishment of a forwarding tunnel, a forwarding tunnel fails to be established when two DNs are not managed by a same session management network element.

The invention provides a communication method and device, relates to the technical field of communication, and is used for supporting a terminal to access a plurality of edge application servers, improving the communication efficiency and enriching the use experience of the terminal. The method comprises: a first device receiving a first message, the first message comprising at least two allowed data network access identifiers used for indicating that traffic is allowed to be unloaded to an application device corresponding to the data network access identifiers, the first device determining a first session management function network element supporting the traffic to be unloaded to the first application device, and determining a second session management function network element supporting offloading of the traffic to the second application device; the first device sends a second message to the first session management function network element, and requests to unload the traffic to the first application device; and sending a third message to the second session management function network element, and requesting to unload the traffic to the second application device.

Provided are a communication method and device, relating to the technical field of wireless communications, a session management network element obtaining a data network access identifier of a first service, and determining that the first service is a first type of service, the first type of service being a service that satisfies quality of service and / or deployment location requirements; the session management network element instructs the first network element to create or update a processing rule for a first service of the terminal, and the processing rule of the first service instructs the terminal to notify the session management network element when the terminal initiates the first service; and the session management network element receives first notification information from the first network element, wherein the first notification information indicates the terminal to initiate the first service. According to the invention, under the condition that the distance between the position of the application server corresponding to the first service and the position of the terminal can be relatively long, the first network element can also determine that the service initiated by the terminal hits the processing rule, so that the first notification message is sent to the session management network element to notify the session management network element to process the service initiated by the terminal.

The invention relates to a communication method, device and system. The second network element receives a first request from the first network element, wherein the first request is used for requesting to acquire the processing delay of an application server in the data network; the second network element sends a response to the first request to the first network element, the response comprising processing delays of N application servers in at least one data network, the at least one data network being identified by at least one data network access identifier, N being a positive integer.

A communication method, system, and apparatus. The method includes: determining data network access identifiers respectively corresponding to a plurality of session management network elements, and determining a common data network access identifier of the plurality of session management network elements from the plurality of data network access identifiers, where the common data network access identifier indicates a common data network of a plurality of terminal devices, so that the plurality of terminal devices can access the same data network. Because the data network access identifiers supported by the session management network elements respectively corresponding to the plurality of terminal devices are considered when the common data network access identifier is determined, the data network that better meets requirements of the plurality of terminal devices can be determined.

The present application discloses a method, a device, a setup, and a storage medium for controlling uplink data. The method comprises: receiving uplink data transmitted by an end device; determining a data network access identifier corresponding to the uplink data based on a preset traffic control rule; determining a virtual local area network corresponding to the uplink data based on the data network access identifier; if the uplink data corresponds to a public virtual local area network, transmitting the uplink data via the public virtual local area network to a public network or a user-level network element device for a public network; and if the uplink data corresponds to a local virtual local area network, transmitting the uplink data via the local virtual local area network to an internal network.

The application discloses a terminal policy updating method, a terminal and a communication device, and belongs to the technical field of communication. The terminal policy updating method of the application comprises the following steps: a first communication device receives first indication information sent by a second communication device, wherein the first indication information is used for indicating a data network access identifier (DNAI) corresponding to a current position of a terminal; the first communication device acquires a terminal policy corresponding to the DNAI according to the first indication information; and the first communication device sends the terminal policy corresponding to the DNAI to the terminal.

The invention discloses an object information fusion method based on signaling XDR-MR-MDT data association, and the method comprises the steps: carrying out the formatting analysis and structural processing of XDR signaling data and MR or MDT measurement data, and converting the XDR signaling data and MR or MDT measurement data into associable data records; then, a network access identifier is selected as an association key, MR or MDT data is matched with XDR data in combination with the proximity relation of sampling time, fusion labeling of high-precision position information and user identity information is achieved, and the association key is an MME triple in a 4G network and an AMF quadruple in a 5G network and can support data fusion requirements under different wireless systems. According to the method, a distributed computing framework is further utilized to execute the object information fusion step, the method is suitable for operator-level mass signaling and measurement data processing scenes, and a data basis can be provided for precise marketing, regional passenger flow analysis, emergency response management and service experience analysis.

The embodiment of the invention provides a method for realizing service continuity and related equipment. The method comprises the steps that a target relocation message is received, the target relocation message carries target data routing information, the target data routing information comprises a target data network access identifier and network address translation information, and the network address translation information comprises a target user equipment network address, a first application server network address and a second application server network address; a data packet processing rule is generated according to the target data routing information, the data packet processing rule comprises a network address translation rule, and the network address translation rule comprises the step of translating a destination address of an uplink data packet sent by the target user equipment from a first application server network address to a second application server network address, converting the source address of the received downlink data packet of which the destination address is the network address of the target user equipment into the network address of the first application server from the network address of the second application server; and issuing the data packet processing rule to the target network equipment.

Disclosed herein are methods and apparatuses for coordinating seamless service continuity to an edge application server, EAS, upon relocation in a cellular communications system. In some embodiments, an application function, AF, sends a steering request including a keepExistingPSA indication to a policy control function, PCF, the keepExistingPSA indication indicating that a current user plane, UP, path to a current data network access identifier, DNAI, and to the EAS should be maintained while establishing a new path to a new DNAI and the EAS. The PCF generates policy and charging control, PCC, rules including the keepExistingPSA indication, and provides the PCC rules to a session management function, SMF. The SMF determines, based on the keepExistingPSA indication, to provide a simultaneous connectivity over a source PSA and a target PSA, and configures the target PSA while maintaining the UP connectivity on the source PSA to the current DNAI and to the EAS.

Embodiments of this application provide a communication method and apparatus and system configured to execute the method, which may include determining that a first terminal is disassociated from a first terminal set including one or more terminals configured to access a first edge application server or a first data network access identifier. In response to determining that the first terminal is disassociated from the first terminal set, sending a protocol data unit session modification instruction including first indication information that is edge application server re-discovery indication information.

Methods, systems, apparatuses, and computer program products enable an intermediate session management function of a communication network to locally manage edge computing related information. In an implementation, a network signal is received from a session management function (SMF), the network signal including (i) a data network access identifier (DNAI) associated with an application configured for local offload in a communication network, and (ii) an indication that the DNAI is allowed for local offload. Further, based on the indication, a set of candidate SMFs supporting the DNAI and a local configuration of traffic offloading on the DNAI is determined, and a candidate SMF is selected from the set of candidate SMFs as an intermediate session management function (I-SMF) for the DNAI, where the candidate SMF is not an SMF associated with the network signal.

A method is provided in connection with routing traffic in a Protocol Data Unit (PDU) session of a wireless network. The method involves a Policy Control Function (PCF) receiving a request to influence traffic routing, determining to request energy cost information based on the request, and transmitting a message to an Energy Efficiency Control Function (EECF). The PCF determines a routing policy based on the received energy cost information and transmits it for use in the PDU session. The energy cost information includes respective energy cost information for each Data Network Access Identifier (DNAI) associated with the PDU session. A system implementing the method comprises circuitry for the PCF and EECF. Another method involves a Session Management Function (SMF) of a wireless network in connection with routing traffic in a PDU session.

Embodiments of the present disclosure provide a method and an apparatus for a local protocol data unit session anchor (PSA) selection. A method (300) performed by a first network node comprises: receiving (S302) from a second network node, a first list of data network access identifier, DNAI; and selecting (S304) a user plane function, UPF, based at least on the first list of DNAI. According to embodiments of the present disclosure, by receiving a first list of DNAI, a first network node may select UPF in time when needed. Therefore, the problem that the DNAI might not be available when the network node needs to select a UPF at some time point will be avoided.

A method implemented in a wireless transmit receive unit (WTRU) is described herein. The method may include (i) sending a first message to a first network element of the cellular network, the first message indicating an Extensible Authentication Protocol (EAP) boot request and a network access identifier of the WTRU, (ii) receiving a second message from the first network element of the cellular network, the second message indicates one or more pseudo-identifiers and a valid time period associated with the one or more pseudo-identifiers, (iii) determining that a pseudo-identifier of the one or more pseudo-identifiers may be valid based on the valid time period, and (iv) sending a request message to a second network element of the cellular network based on the pseudo-identifier being valid, the pseudo identifier is indicated as a WTRU identifier in the request message.