978 results about "Public land mobile network" patented technology

A user equipment (UE) may access a public land mobile network (PLMN) via a communication satellite. The UE may receive satellite coverage data from the serving PLMN via the communication satellite indicating at which locations and / or at which times satellite coverage is available. The UE may determine, based on the satellite coverage data, a first time of satellite unavailability for a location of the UE and a second time of satellite availability. The UE may enter a no coverage state following the first time. The UE may inhibit mobile originating requests and / or reduce a frequency of satellite cell searching while in the no coverage state. The UE may leave the no coverage state at the second time. The satellite coverage data may comprise a coverage map for a grid of locations. Extra coverage data may be provided for satellite availability for other PLMNs and / or for terrestrial cells.

Disclosed is a method by a network function service consumer, NFc, including determining whether a request for a service operation to be provided by a network function service producer, NFp, needs to be routed via a security edge protection proxy, SEPP. In this case, information is identified that is used by a consumer public land mobile network, cPLMN, to perform selection or reselection of an NFp to provide the service operation. Based on this information, a producer security edge protection proxy, pSEPP, or a service communication proxy, SCP, can select or reselect an according NFp.

A method for using a network function (NF) repository function (NRF) for mapping single network slice selection assistance information (S-NSSAI) includes, storing at an NRF in a first network, an S-NSSAI mapping database including mappings between S-NSSAI values of the first network and S-NSSAI values of other networks. The method further includes receiving, from a requesting NF in a second network, a request message including a requester S-NSSAI attribute including an S-NSSAI value of the second network. The method further includes performing a lookup in the S-NSSAI mapping database and locating a mapping between the S-NSSAI value of the second network and the S-NSSAI value of the first network. The method further includes generating a response message including the S-NSSAI value of the first network. The method further includes transmitting the response message to the requesting NF in the second network.

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.

A disclosure according to the present specification provides a method of having an access by a terminal subscribing to a first public land mobile network (PLMN). The method may comprise a step of transmitting a first request message to a network node via a base station. The base station may be a base station of a second PLMN that broadcasts system information including information about the first PLMN. The method may comprise a step of receiving, from the network node, a first response message that is a response to the first request message. The first response message may include information indicating that there is a service failure in the first PLMN. The method may comprise a step of transmitting a second request message to the second PLMN or reselecting another PLMN instead of the first PLMN, which has a service failure, on the basis of the first response message including the information.

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.

Disclosed are techniques for wireless communication. In an aspect, a user equipment (UE) transmits, to a location server, a first set of parameters indicating capabilities of the UE to support positioning operations across a plurality of public land mobile networks (PLMNs), receives assistance data from the location server, the assistance data including a second set of parameters configuring the UE to measure a set of positioning resources across one or more PLMNs of the plurality of PLMNs, and obtains positioning measurements of the set of positioning resources to enable a determination of a location of the UE.

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.

A user equipment (UE) accesses a public land mobile network (PLMN) and obtains an address and authorization data of a server. The UE transmits a request for coverage data to the server based on the address and includes the authorization data. Upon verifying the authorization data, the server transmits the coverage data to the UE, the coverage data enabling the UE to determine whether access to the PLMN is possible at one or more locations of the UE, at one or more future times, and using one or more radio access technologies (RATs), the one or more radio access technologies (RATs) include a non-terrestrial network (NTN) RAT and / or a terrestrial network (TN) RAT. The authorization data may include a temporary identifier of the UE, which may be encrypted and may enable verification of the authorization data. The request for coverage data may indicate the signal level required for the UE to access the NTN and TN RAT as well as the location and the future time.

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.

The invention provides a communication method and a communication device. In the communication method, when a first operator and a second operator share an access network device, but the access network device needs to interact with a core network device of the second operator through a core network device of the first operator; at least one PLMN (Public Land Mobile Network) identifier, which allows an access network device to support the access of a terminal device, comprises a first PLMN identifier, so that the access network device can broadcast the first PLMN identifier, and at least one PLMN identifier, which allows a first AMF (Advanced Media Function) of a first operator to support the access of the terminal device, also comprises the first PLMN identifier. The terminal equipment of the second operator is accessed to the network.

Certain aspects of the subject matter described in this disclosure can be implemented in a method for wireless communication by a user equipment (UE). The method generally includes registering with a first public land mobile network (PLMN) of a first network operator in response to detection of an interruption event associated with a second PLMN of a second network operator; determining that the interruption event has ended; and taking one or more actions to communicate with the second PLMN in response to the ending of the interruption event, wherein taking the one or more actions to communicate with the second PLMN is based on a constraint associated with access attempts to the second PLMN.

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.

A method for reducing inter-PLMN forwarding of messages relating to Nnrf service operations includes receiving, at a first NRF, a first request for an Nnrf service operation, determining that the first request identifies a PLMN different from a PLMN of the first NRF, determining that the first request cannot be processed locally at the first NRF, and, in response, forwarding the first request to a second NRF in the PLMN identified in the first request. The method further includes receiving, from the second NRF, a response to the first request, caching information from the response, receiving a second request for an Nnrf service operation, determining that the second request identifies a PLMN different from the PLMN of the first NRF, determining that the second request can be processed locally at the first NRF, and processing the second request locally at the first NRF using the cached information from the first response.

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.

There is provided an apparatus comprising: means for receiving, at a target public land mobile network, signalling for establishing a protocol data unit session for a first service for a user equipment, wherein the first service is hostable by the target public land mobile network and a home public land mobile network, and means for causing data associated with the protocol data unit session for the first service to be transferred between the target public land mobile network and a visitor public land mobile network, wherein the user equipment is registered with the visitor public land mobile network.

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.