536 results about "Public land mobile network" patented technology

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.

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.

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.

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.

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.

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.

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.

Radio networks such as Public Land Mobile Networks (PLMNs), user equipment devices (UEs), servers such as Internet-of-Things servers, and core network entities may be adapted to facilitate transfers of connections of wireless devices. For example, a first PLMN may provide restricted access to a UE to assist the UE in finding a second PLMN for a full connection. Entities may be adapted to support for non-coverage related PLMN transfers, such as transfers initiated by UEs, PLMNs, servers, and core network entities, e.g., in response to changing usage, congestion, etc.

A visited session management function of a visited public land mobile network (PLMN) sends, to a home session management function of a home PLMN of a wireless device, a request of the wireless device for a packet data unit, PDU, session in a network slice. The visited session management function receives, from the home session management function, a cause value indicating that a network slice quota of the home PLMN has been reached for a number of PDU sessions for the network slice.

In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The method may be performed by a User Equipment (UE). The UE receives, from a network, during an attempt to initiate a procedure, a message comprising a cause value indicating that disaster roaming for a specified public land mobile network (PLMN) under a disaster condition is not allowed. The UE determines whether the UE is in a normal case or an abnormal case based on an access network environment and a type of a requested service. In response to determining that the UE is in the normal case, the UE performs a first action. In response to determining that the UE is in the abnormal case, the UE performs a second action.

A method and system for providing network services in a region involves managing handovers (HO) between a source Public Land Mobile Network (PLMN) and a target PLMN. User Equipment (UE) receives radio signals from both PLMNs and receives / determines at least a Signal to Interference & Noise Ratio (SINR) and Reference Signal Received Power (RSRP) of the radio signal. A determination is made whether a HO is permitted or prohibited based on whether the target RSRP and SINRs from both PLMNs exceed certain thresholds. Additional criteria for permitting or prohibiting HO include cell load conditions. Predictive models, potentially using Artificial Intelligence / Machine Learning (AI / ML), may predict HOs based on roaming data. The PLMNs may operate across various cellular technologies, including GSM / 2G, UMTS / 3G, LTE / 4G, or NR / 5G.

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A UE in case that determining that a disaster condition is ended, selects a first public land mobile network (PLMN), determines whether a disaster return wait range is provided by the selected first PLMN or a second PLMN providing a disaster roaming service, in case that determining that the disaster return wait range is provided by the first PLMN or the second PLMN, generates a random number within the disaster return wait range, and starts a timer with the generated random number.

A method performed by a first network node for assisting a second network node in resuming of a User Equipment, UE, in inactive state into connected state in a Radio Access Network, RAN. The first network node obtains (401) a Local RAN Node Identifier associated with a Public Land Mobile Network, PLMN, RAN Node ID, identifying the first network node. The first network node sends (402) the Local RAN node Identifier and associated PLMN RAN Node ID to be obtainable by the second network node. The first network node suspends (403) the UE from connected state into inactive state and sends an identifier to the UE. The identifier comprises a UE Context ID and the associated Local RAN Node Identifier. The UE Context ID identifies the UE context associated with the UE. The UE Context ID, Local RAN Node Identifier and associated PLMN RAN Node ID will assist the second network node to obtain the UE Context for the resuming of the UE into connected state, wherein a connection is to be provided by the second network node.

A method comprising: determining, by a user equipment, that a non-closed access group cell is available to the user equipment in a public land mobile network, wherein the public land mobile network is identified by a public land mobile network identity and the user equipment is only allowed to access the public land mobile network via one or more closed access group cells; displaying the public land mobile network identity to a user; receiving user input selecting the public land mobile network identity; and transmitting a registration request to the public land mobile network identified by the public land mobile network identity.

Methods and apparatus for use in managing authorization of a WAB node (e.g. a mobile WAB node) is disclosed. The mobile WAB node includes a MT component and a gNB component for serving one or more User Equipment, UE. A method at the mobile WAB node comprises receiving authorization status information for indicating whether the mobile WAB node is authorized to operate as a mobile WAB node. A method at an AMF entity comprises sending authorization status information for indicating whether the mobile WAB node is authorized to operate as a mobile WAB node. The authorization status information may include at least one of: cause information for indicating a cause in a case where the mobile WAB node is not authorized to operate; information for indicating the mobile WAB node is authorized to operate as a mobile WAB node and the authorization is limited to providing local services; MW AB authorization status information for indicating whether the gNB component of the mobile WAB node is authorized to serve one or more UE and / or for indicating whether the MT component of the mobile WAB node is authorized to connect to one or more Public Land Mobile Networks, PLMNs.

A communication method and apparatus may be applied to a communication scenario in which a network controlled repeater (NCR) is deployed. The method includes: a first terminal device receives system information, wherein the system information indicates whether a first cell supports access of an NCR-MT and the first terminal device sends first information via a first NCR, wherein the first information indicates a first public land mobile network PLMN, and the first PLMN is a PLMN selected by the first terminal device in an initial access procedure.