694 results about "Public land mobile network" patented technology

Systems and methods related to authorization in a cellular communications system. In one embodiment, a method performed by a Network Function (NF) comprises sending, to another network function, information that indicates whether a particular type of authorization is required per Public Land Mobile Network (PLMN) for a particular NF service instance associated with the NF. In one embodiment, the other network function is a Network Repository Function (NRF). In one embodiment, the information is comprised in a NF profile of the NF. In one embodiment, the particular type of authorization is Oauth2-based authorization.

A method for screening inter-PLMN messages at a SEPP to implement roaming agreements includes storing an originating and target network mapping database containing records including mappings between originating network identifiers and target network identifiers. The method further includes receiving, at the SEPP, an inter-PLMN SBI request message originating from an NF in a network served by the SEPP. The method further includes determining originating and target network identifiers from the message, locating a matching record in the database, and determining, from the record, whether the message should be allowed to flow from the originating network to the target network. The method further includes forwarding the message to the target network or preventing the forwarding of the message to the target network based on results of the determining.

Embodiments include methods performed by a user equipment (UE) configured with a client for an edge data network. Such methods include sending, to a server in the edge data network, a first message that includes one of the following contents: at least one pre-shared key (PSK) identity hint that is supported by the UE and the UE's home public land mobile network (HPLMN), and one or more security key identifiers corresponding to respective one or more of a plurality of authentication procedures supported by at least the HPLMN; an indication of the UE's HPLMN; all valid PSK identity hints, and the one or more security key identifiers; or all valid PSK identity hints, and the indication of the HPLMN. Such methods also include receiving from the server a second message that includes one of the following contents: all valid PSK identity hints; or a PSK identity hint that is supported by at least the UE's HPLMN.

A user equipment (UE) is configured to identify a disaster condition applies to a first public land mobile network (PLMN), select a second PLMN for disaster roaming services, wherein one or more tracking areas (TAs) of the second PLMN are in a forbidden list stored locally at the UE and wherein the second PLMN and the first PLMN have a roaming agreement for disaster roaming services and register with the second PLMN for disaster roaming services in the one or more TAs of the second PLMN from the forbidden list.

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Embodiments disclose methods for managing a condition in a UE. The method includes initiating a timer for disaster wait range; in case that the UE is switched off while the timer is running, and that the UE is switched on after the UE is switched off, wherein a universal subscriber identity module (USIM) in the UE remains as same, and the UE selects a public land mobile network (PLMN) for a disaster roaming: identifying a first time remaining for the timer for timeout at switch off, identifying a second time related to a time between switching off and switching on, and determining whether to restart the timer based on the first time and the second time.

The invention discloses a communication method and device, which are used for realizing a security scheme in the process of establishing MPQUIC connection between a terminal device and a user plane function. In the present application, the method comprises: after a first MA PDU session of a first terminal device is established, the first terminal device negotiates with a first user plane function to establish a first MPQUIC connection, and the first MPQUIC connection is associated with the first MA PDU session. The first terminal device deduces a key for protecting data of the first MPQUIC connection according to the pre-configured key, and the data of the first MPQUIC connection is transmitted through a plurality of paths between the first terminal device and the first user plane function. Wherein the pre-configured key is also used for the first terminal device to establish a second MPQUIC connection with the second user plane function, and the first user plane function and the second user plane function are located in the same public land mobile network.

Examples pertaining to a periodic higher priority public land mobile network (PLMN) search for satellite access in mobile communications are described. A user equipment (UE) determines that, regarding a satellite access to a network, a selected PLMN (SPLMN) or a registered PLMN (RPLMN) is not a home PLMN (HPLMN), an equivalent HPLMN (EHPLMN) or a highest-priority PLMN at a location in which the UE is located. Then, in response to the determining, the UE performs a PLMN search during a period of discontinuous coverage (DC) of the SPLMN or RPLMN.

Various embodiments provide methods and related devices for non-3GPP access authentication. According to one embodiment, a method performed by a user equipment (UE) comprises transmitting, to a wireless access node in a wireless access network, a request message for access authentication comprising a concealed identity of the UE in a decorated network access identifier, NAI, format in which a username of the concealed identity of the UE in a NAI format is concatenated with a visited public land mobile network, VPLMN, identifier of a VPLMN serving the UE.

A method and apparatus for support of service continuity for handover between stand-alone non-public network (SNPN) and public land mobile network (PLMN) is provided. A session management function (SMF) of a first network transmits, to a user plane function (UPF) of the first network, a duplication request for the UPF of the first network to duplicate downlink (DL) data and send the duplicated DL data to both a next generation radio access network (NG-RAN) of the first network and a non-3GPP interworking function (N3IWF) of the first network. The SMF of the first network further transmits, to the N3IWF of the first network, a data buffering request for the N3IWF of the first network to buffer the duplicated DL data.

A method for detecting and processing egress inter-PLMN SBI request messages without 3gpp-Sbi-Originating-Network-Id headers includes receiving, by a proxy NF serving a plurality of PLMNs, an egress inter-PLMN SBI request message without an 3gpp-Sbi-Originating-Network-Id header. The method further includes determining an originating network identifier from the message, from DNS, or from a database record. The method further includes adding a 3gpp-Originating-Network-Id header to the message, populating the header with the originating network identifier, and forwarding the message to or towards a target PLMN.

Techniques are provided for restricted radio access technology-based cell selection. An example method can include processing information from a public land mobile network (PLMN) indicating a first restricted radio access technology (RAT). The method can further include accessing memory to identify a set of RATs for connecting with the PLMN. The method can further include selecting a second RAT instead of the first restricted RAT from the set of RATs-based on the indication of the first restricted RAT. The method can further include connecting with a cell of the PLMN using the second RAT.

This application sets forth techniques for dynamically managing a shared provisioning electronic subscriber identity module (eSIM) for a wireless device. A shared (non-unique) provisioning eSIM is installed in the wireless device to provide limited functionality connectivity to services, such as for device activation and user eSIM provisioning. The shared provisioning eSIM includes records of IMSI values organized into groups of IMSI pools and priorities for selecting IMSI values for configuring the shared provisioning eSIM. An on-device shared provisioning SIM / eSIM controller resident on a cellular baseband processor of the wireless device selects and configures the shared provisioning eSIM with IMSI values based on the priorities and on results from scanning for available public land mobile networks (PLMNs). The shared provisioning eSIM can be re-configured with different IMSI values selected from different IMSI pools until successful registration using the configured provisioning eSIM occurs or a maximum number or retries occurs.

Methods and apparatus are disclosed for protecting information for a SoR procedure initiated by a user equipment (UE). A method comprises, creating at a UE, a first secured packet which is protected with one or more keys, wherein the first secured packet comprises enhanced steering of roaming (SoR) related information for triggering a SoR procedure; and sending from the UE to a first visited public land mobile network (VPLMN), a message comprising the first secured packet. Each of the one or more keys is a symmetric key, which is available for the UE and a home public land mobile network (HPLMN) of the UE before a primary authentication of an initial registration to the first VPLMN.

The invention discloses a calling method, a calling display method, a terminal and network side equipment, and belongs to the technical field of communication, and the calling method comprises the following steps: in a calling establishment process, a called terminal receives first information from a first network element; the called terminal establishes or does not establish a call with a calling terminal according to the first information; wherein the first information comprises at least one of the following items: information of a target public land mobile network (PLMN) of the calling terminal; position information of the calling terminal; the operator information of the calling terminal; and warning information.

An electronic device including a receiver configured to receive a first Subscriber Identity Module (SIM); a receiver configured to receive a second SIM; and circuitry configured to receive data from the first SIM; and send a request, to a first public land mobile network (PLMN), to register the electronic device to the first PLMN, wherein the request indicates that the electronic device is a multi-SIM device and the request includes multi-SIM assistance information, and wherein the multi-SIM assistance information informs the first PLMN of the electronic device's preference for multi-SIM operations.

Systems, methods, apparatuses, and computer program products are described for dual-access and multi-access to public land mobile networks (PLMNs) via vehicle-mounted relay (VMR) access and terrestrial access User equipment (UE) access can be supported by a VMR-UE and a terrestrial access node (gNB). UE can send an initial UE message including User Location Information (ULI) that indicates access type is VMR-Access. PLMNs can manage traffic using Access Type. UE can access a first PLMN via VMR-gNB Access and a second PLMN via Terrestrial New Radio (NR) Access using the same subscriber information. The two PLMNs can establish two different Non-Access Stratum (NAS) security contexts for UE. A packet data unit (PDU) overlay session can be established that is shared by the two PLMNs. Alternatively, each PLMN can establish a different NAS security context and PDU session without being aware of the other NAS security context and PDU session.

The embodiment of the invention discloses a network registration display method and terminal equipment. The method can be applied to terminal equipment, and comprises the following steps: acquiring a first public land mobile network (PLMN) identifier of a target cell; acquiring a pre-configured file system in the terminal device, the file system comprising card information of at least one SIM card and at least one first equivalent home public land mobile network (EHPLMN) list, and the first EHPLMN list comprising at least one EHPLMN identifier; determining a target EHPLMN list corresponding to the card information of the target SIM card according to the corresponding relationship between the card information and the first EHPLMN list; and when the target EHPLMN list contains the first PLMN identifier, displaying that the terminal equipment is registered as a home public land mobile network HPLMN. According to the embodiment of the invention, the accuracy of displaying the network injection state by the terminal equipment can be improved.

An apparatus configured to process, based on signaling from a network, parameters related to roaming to an Evolved Packet System (EPS) when a Fifth Generation System (5GS) is in a disaster condition, wherein a subscriber to a Public Land Mobile Network (PLMN) provider operating the 5GS has a 5G only roaming agreement with a PLMN operating the EPS, determine the 5GS is in the disaster condition and generate, for transmission to the EPS, an attach request to attach to the EPS during the disaster condition.

An electronic device including a receiver configured to receive a first Subscriber Identity Module (SIM); a receiver configured to receive a second SIM; and circuitry configured to receive data from the first SIM; and send a request, to a first public land mobile network (PLMN), to register the electronic device to the first PLMN, wherein the request indicates that the electronic device is a multi-SIM device and the request includes multi-SIM assistance information, and wherein the multi-SIM assistance information informs the first PLMN of the electronic device's preference for multi-SIM operations.

Provided are a cell-operator reservation state transmission method and a communication device, the method comprising: a second access network device receiving a first message sent by a first access network device, the first message carrying a reservation state of a first cell as an operator with a public land mobile network (PLMN) as granularity, the first cell is a cell under the first access network equipment. Visibly, based on the method, the second access network device can obtain the reservation state of the cell of the first access network device with the PLMN as the granularity as the operator from the first access network device, so that the second access network device can make a communication decision based on the reservation state of the cell of the first access network device with the PLMN as the granularity as the operator. And thus, the second access network equipment can make a reasonable communication decision.

A method for steering of roaming (SOR) in wireless communication networks includes sending by a mobile equipment (ME) a registration message to a visited public land mobile network (VPLMN). The ME receives a first message from a home public land mobile network (HPLMN) through the VPLMN. The ME determines that the first message has failed a security check. In response to determining that the first message has failed the security check, the ME sends a second message to the VPLMN, the second message including an indication that the first message has failed the security check.

The embodiment of the invention discloses a wireless communication system and a terminal switching method thereof, the system comprises UE (User Equipment) and a plurality of base stations, the UE firstly analyzes an SIB1 message broadcasted by a source base station and then reports a selected PLMN ID (Public Land Mobile Network Identity); the PLMN identifier of the source base station stores the PLMN ID; the source base station confirms the PLMN attribution of the initially accessed UE and provides service for the UE; when the UE is switched from a source base station to a target base station, the source base station broadcasts an SIB1 message and a PLMN ID of the UE; the target base station receives and analyzes the SIB1 message of the source base station, extracts a PLMN list of the source base station, and finds a PLMN entry corresponding to the PLMN ID; and the target base station analyzes the SIB1 message of the target base station and updates the PLMN identifier of the target base station. According to the invention, under the switching scene, the target base station can identify the PLMN of the UE, the possible problems of neighbor cell matching failure, switching preparation failure and the like are solved, and the success rate of switching is ensured.

Systems and methods for enabling notification of disaster conditions and alternative Public Land Mobile Networks (PLMNs) to network nodes are disclosed. In one embodiment, a method performed by a User Equipment (UE) for responding to a disaster condition in a first PLMN, comprises determining that a first PLMN is not available; determining that a second PLMN is available for disaster roaming; and attempting to register with the second PLMN, responsive to determining that the first PLMN is not available due to the disaster condition and determining that a second PLMN is available for disaster roaming. In this way, a UE is informed of the failure of its currently used PLMN due to a disaster condition and a service may be provided in another PLMN, where the UE under normal conditions may not be allowed to receive a service from the second PLMN.

A method of operating a terminal in a wireless communication system may comprise the terminal connecting to a home public land mobile network (HPLMN) or a higher priority PLMN, based on the connection to the PLMN to which the terminal is connected being interrupted, performing a PLMN search having a higher priority than the PLMN to which the terminal is connected based on a higher priority PLMN search timer, and performing a connection to an available PLMN having a highest priority based on the PLMN search. Based on the terminal operating based on a satellite network, the higher priority PLMN search timer may be set by considering discontinuous coverage of the satellite network.

This invention provides methods and systems for seamless mobile connectivity between public and private cellular networks. The system dynamically switches user devices between networks based on location, radio signal availability, or preconfigured policies that prioritize private networks when within range. For devices with physical SIM cards, an embedded applet enables switching between operator profiles, while ESIM profiles deploy applets for selecting among multiple identities within a profile. All cellular traffic, whether on public or private networks, is routed through a cloud-based system for centralized security and policy enforcement. Network selection may be influenced by defining the private network as the Home Public Land Mobile Network (HPLMN) or scanning available networks via applet capabilities. The system supports unified subscription, connectivity, and service management via a cloud-based portal, ensuring reliability and security across diverse network environments. This approach enhances mobility, security, and flexibility for enterprise and IoT applications.

The disclosure relates to a first apparatus comprising at least one processor and at least one memory including computer code for one or more programs, the at least one memory and the computer code configured, with the at least one processor, to cause the apparatus at least to: send (500), to a second apparatus, a request comprising information indicating a list of public land mobile network identifiers identifying a first public land mobile network supported by the first apparatus, and information to derive a second public land mobile network supported by the second apparatus; and receive (502), from the second apparatus, a response comprising information indicating a list of public land mobile network identifiers identifying the second public land mobile network supported by the second apparatus.

A method and apparatus for notifying of a disaster situation by a radio access network (RAN) node. When the RAN node detects that a problem in an interface between the RAN node and a core network related to a public land mobile network (PLMN) has occurred, the RAN node stops transmitting a broadcast message currently being transmitted to a user equipment (UE), and transmits a disaster broadcast message to the UE. The disaster broadcast message includes: (i) information indicating that a disaster condition applies to a first PLMN; and (ii) information regarding a second PLMN related to the disaster condition. The disaster condition corresponds to the problem in the interface between the RAN node and the core network related to the first PLMN. The UE adjusts priorities of an PLMN selection based on information included in the disaster broadcast message for selecting the second PLMN.

Various embodiments of the present technology generally relate to systems and methods for remote mobile network capability sharing, and delegation of service discovery and selection to the remote mobile network, such as from a visited or roaming network to a home network. A first public land mobile network (PLMN) system may send, via a local network repository function (NRF), a request for capability details of a second PLMN, the capability details including an ability of the second PLMN to handle delegated service discovery and selection. The first PLMN may receive the capability details, and send, from the first PLMN to the second PLMN, a delegated discovery and network function (NF) selection request directing a service communications proxy (SCP) of the second PLMN to determine a producer NF of the second PLMN to process a service request from a consumer NF of the first PLMN.

Systems and methods for supporting multiple uncrewed aerial vehicle (UAV) Service Suppliers (multi-USS) are described. The methods may be performed by a wireless transmit / receive unit (WTRU) including a UAV application enabling (UAE) client located in the UAV with the method performed with the UAV in-flight. Steps may include: sending a registration request to a UAE server, the registration request including an indication of multi-USS capability; receiving a registration response message that includes an indication that the UAE server supports multi-USS capability; receiving a multi-USS configuration request that includes multi-USS configuration parameters related to conditions under which the UAE client may initiate a USS change and a list of allowed USSs; sending a multi-USS configuration response; and performing a multi-USS change and sending a multi-USS change notification based on the multi-USS configuration parameters.

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). The present disclosure relates to a method and system for steering of roaming (SoR) information based on required services for roaming subscribers. The method includes registering the UE in a visited public land mobile network (VPLMN) by an access and mobility management function (AMF) device. The method comprises requesting a unified data management (UDM) server of a home public land mobile network (HPLMN) to provide subscription data. The method further comprises requesting by the UDM server SoR information from an application function (AF) device, wherein the request includes information related to single-network slice selection assistance information (S-NSSAI) either requested or subscribed by the UE. The method comprises the steps of determining the SoR information to be provided to the UDM server and transmitting the SoR information to the UE. The subscribers can use the SoR information for latching onto a VPLMN that provides the service they are interested in.