82 results about "Public land" patented technology

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.

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.

The present application describes methods and systems for cell selection and reselection. One aspect describes the apparatus including a non-transitory memory including executable instructions for cell selection or cell reselection, which when executed by a processor, performs the instructions of determining one or more new public land mobile networks (PLMNs) have been selected. The processor is also configured to execute the instructions of scanning radio frequencies for one or more cells in one or more of the selected PLMNs. The processor is further configured to execute the instructions of determining the one or more cells to be an acceptable cell, a suitable cell, not an acceptable cell, or not a suitable cell. The processor is even further configured to execute the instructions of determining a state of the apparatus to be a multi-camped normally state, a reduced power any cell selection state, a reduced power camped on any cell, a camped normally state, an any cell selection state, or a camped on any cell state.

Techniques are described for slice based public land mobile network selection. An example method includes a network node of a home public land mobile network (HPLMN) transmitting configuration information to a user equipment (UE) to configure the UE to receive enhanced slice-based steering of roaming (SoR) information during a registration process with a visited public land mobile network (VPLMN). The method further includes the network node determining that the UE is registering with the VPLMN. The method further includes the network node transmitting the enhanced slice-based SoR information to the UE based on the determination that the UE is registering with the VPLMN.

Disclosed are methods, systems, and computer-readable medium to perform operations including: receiving, by an access stratum (AS) layer of a user equipment (UE) and from a non-access stratum layer (NAS) layer of the UE, a Public Land Mobile Network (PLMN) search request; determining, by the AS layer, that a first connection instance is in radio resource control (RRC) connected mode; responsively determining, by the AS layer, whether a second connection instance is available; and in response to determining that the second connection instance is available, triggering, by the AS layer, the PLMN search on the second connection instance, wherein the PLMN search comprises one or more frequency scans.

A system (108) and method (400) for network slice load distribution is described The method includes receiving (402), by a network slice admission control function (NSACF) server (208), a request from an AMF (222), to initiate a registration check and update procedure for one or more UEs (104) associated with a plurality of network slices. The method (400) includes processing (404) the request to perform an admission control for the one or more UEs (104). The method (400) further includes updating (406) a reference count for each of the one or more UEs (104) registered within the defined network slice that is associated with a corresponding public land mobile network (PLMN) based on admission control decision. The method (400) further includes generating (408) a data report pertaining to the one or more UEs (104) registered within the defined network slice for the network slice load distribution.

Systems, methods, and devices that relate to the improvement of controlling impersonating attacks from foreign networks are disclosed. In one example aspect, a method for wireless communication includes receiving, by a policy control node, a request message from a first network node. The request message comprising a first identifier indicating a first public land mobile network associated with an establishment of a bearer or a session for a terminal device. The method includes transmitting a query to a second network node in the core network to obtain a second identifier of a second public land mobile network associated with a registration of the terminal device. The method also includes accepting or rejecting, by the policy control node, the establishment of the bearer or the session for the terminal based on whether the first identifier matches the second identifier.

In some implementations, a device in a first public land mobile network (PLMN) may receive a request for services with a network function producer (NF-P) in the first PLMN, wherein the request for services includes a first token that is associated with a network function consumer (NF-C) in a second PLMN. The device may validate the first token using a signing certificate associated with a signer of the first token. The device may transmit the request for services to the NF-P, wherein the request for services includes a second token that is based on a successful validation of the first token, and a successful validation of the second token enables the NF-P to provide a service to the NF-C based on an authorization of the NF-C during an inter-PLMN roaming.

According to certain embodiments, a method by a user equipment (UE) for securing network steering information includes transmitting a registration request to a Visited Public Land Mobile Network (VPLMN). Upon successful authentication by an authentication server function (AUSF), a home network root key is generated. A protected message comprising Network Steering Information is received from a first network node. The protected message is protected using a configuration key (Kconf) and a first Message Authentication Code (MAC-1). The configuration key (Kconf) is determined from the home network root key, and the UE verifies the MAC-1. Based on the Kconf and the MAC-1, it is verified that the VPLMN did not alter Network Steering Information. An acknowledgement message, which is protected with a second Message Authentication Code (MAC-2), is transmitted to a Home Public Land Mobile Network (HPLMN).

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a relay entity may establish a wireless communication session with a network entity associated with a visited public land mobile network (VPLMN), wherein the relay entity is configured to perform access node functions and user equipment (UE) functions, and wherein establishing the wireless communication session includes enabling wireless communication for both the access node functions and the UE functions via the VPLMN. The relay entity may perform a relay service via the access node functions. Numerous other aspects are described.

Provided is a method for wireless communication, applicable to a user equipment (UE). The method includes: transmitting first information to a network device, wherein the first information indicates whether the UE supports a first capability. The first capability includes: receiving a UE policy rule corresponding to a visited public land mobile network (VPLMN).

A terminal according to one aspect of the present disclosure includes a receiving section that receives configuration information for positioning included in a specific system information block (SIB), the configuration information being associated with a Public Land Mobile Network (PLMN) ID, and a control section that performs, based on the configuration information, positioning-related control associated with the PLMN ID. According to one aspect of the present disclosure, it is possible to manage flexible communication for operators.

A network selection method, a terminal device and a network device are provided, which are beneficial to selecting a suitable PLMN, thereby ensuring stable transmission of services of the terminal device. The method comprises: the terminal device performing PLMN selection according to priority ranking of public land mobile networks (PLMNs) and / or channel quality information of the PLMNs.

Systems, methods, apparatuses, and computer program products for simultaneous registration to multiple networks are provided. A user equipment (UE) may perform dual registration to multiple networks, e.g., a 5G system (5GS) of equivalent public land mobile networks (PLMNs), equivalent stand-alone non-public networks (SNPNs), or a combination of PLMNs and SNPNs. When a UE is registered to the first network, the UE may select the second network for a second registration based on one or more criteria.

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Embodiments herein disclose a device and methods for managing and selecting Public Land Mobile Networks (PLMNs) for disaster roaming during Minimization of Service Interruption (MINT) situations. A UE is configured for selecting one of the “list of PLMN(s) to be used in disaster condition” configured by a HPLMN / EPLMN, and “list of PLMN(s) to be used in disaster condition” configured by a VPLMN, in a disaster situation based on a UE configuration. The method discloses selection of at least one Forbidden PLMN (FPLMN) by the CE in a disaster situation, when a primary PLMN list configured by a HPLMN / EPLMN is different from at least one secondary PLMN list configured by at least one VPLMN.

A terminal according to one aspect of the present disclosure includes a receiving section that receives configuration information related to random access associated with a Public Land Mobile Network (PLMN) ID included in a specific system information block (SIB), and a control section that controls 2-step random access associated with the PLMN ID, based on the configuration information. According to one aspect of the present disclosure, flexible communication operation can be performed among operators.

A terminal according to one embodiment of the present disclosure is provided with: a reception unit that receives first downlink control information that schedules first UL transmission and second downlink control information that instructs cancellation of UL transmission in a common resource that supports a plurality of Public Land Mobile Network (PLMN); and a control unit that determines whether to cancel the first UL transmission on the basis of at least one of the priority of the first UL transmission scheduled by the first downlink control information and the second downlink control information.

Embodiments herein provide a method for PLMN / cell selection or reselection based on the feeder link availability. The objects are achieved by providing a system and a method for managing a Public Land Mobile Network (PLMN)　selection, cell selection or reselection for a Store and Forward (S&F) mode in a wireless network system. The method comprises the UE that determines that a first cell supports S&F mode and a feeder link is unavailable. Further the UE performs a PLMN selection, a cell selection, or a cell reselection in the wireless network system to search for a second cell, wherein the feeder link is available on the second cell and a network apparatus associated with the UE is able to provide normal services to the UE.

Various example embodiments of the subject disclosure relate to apparatus, methods and computer programs. For example, there is provided a user equipment comprising means for: registering the user equipment with a first public land mobile network; selecting a second public land mobile network to register a user equipment with based on the user equipment's registration with the first public land mobile network; and registering the user equipment with the selected second public land mobile network.

The present application describes methods and systems for cell selection and reselection. The apparatus may include a processor that performs the instructions of determining one or more new public land mobile networks (PLMNs) have been selected. The processor is configured to perform scanning radio frequencies for one or more cells in one or more of the selected PLMNs. The processor is further configured to execute the instructions of determining the one or more cells to be an acceptable cell, a suitable cell, not an acceptable cell, or not a suitable cell. The processor is even further configured to execute the instructions of determining a state of the apparatus to be a multi-camped normally state, a reduced power any cell selection state, a reduced power camped on any cell, a camped normally state, an any cell selection state, or a camped on any cell state.

A method for providing roaming radio access at a first Public Land Mobile Network (PLMN). An indicator is broadcasted from a radio access node of the first PLMN that indicates that the access node will provide connectivity service to a subscriber of a second, different PLMN despite the subscriber of the second PLMN having a prohibited PLMN list including the first PLMN.

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method performed by an access and mobility management function (AMF) entity in a wireless communication system is provided. The method comprises receiving, from a managed function entity, information on a non-terrestrial network (NTN) public land mobile network (PLMN) restriction, wherein the information includes first information on an identity (ID) of public land mobile network (PLMN) and second information associated with a location for which an access of the PLMN is restricted for an NTN access and restricting the NTN access associated with the location based on the first information and the second information.

The invention relates to a method and a device for communication between a communication system of a vehicle (10) and a public land mobile network (100). To this end, a first piece of information representative of the current power consumption of the vehicle (10) is received; a second piece of information representative of an amount of electricity available in the vehicle (10), for example in the battery of the vehicle (10), is received; and a third piece of information representative of the target time during which the vehicle (10) wishes to remain connected to the network (100) is received. Based on the first, second and third pieces of information, the network (100) determines which power saving mode should be assigned to the communication system of the vehicle (10) so that the vehicle can maintain a connection to the network (10) for the desired time.

A method and a system for selecting Non-Terrestrial Networks (NTNs) in communication networks are provided. The method includes prioritizing a random terrestrial network (TN) over other NTNs, changing the scan pattern to accommodate combination of Bands, radio access technologies (RATS), and public land mobile networks (PLMNs), and pre-configuring PLMN priorities at the user equipment (UE).

Methods for wireless communication and devices are provided. The method is applied to a terminal device not supporting network slice-specific authentication and authorization (NSSAA). The method includes receiving, by the terminal device, a first message sent by an access and mobility management function (AMF), and receiving a second message sent by the terminal device, where the first message contains no first single-network slice selection assistance information (S-NSSAI) of visited public land mobile network (VPLMN), a second S-NSSAI is subject to the NSSAA, the second S-NSSAI is an S-NSSAI of home public land mobile network (HPLMN) corresponding to the first S-NSSAI, and the second message is used for requesting for registering with a network slice.

A method is provided that includes maintaining a list of public land mobile networks (PLMNs) with associated access technology restrictions. The method includes starting a timer corresponding to a time until release of a restriction on a restricted combination of a PLMN and an access technology contained in the list of PLMNs with associated access technology restrictions. The method includes presenting, to a user, information that indicates one or more available PLMNs, wherein upon expiration of the timer, the one or more available PLMNs include the PLMN in the restricted combination of the PLMN and the access technology. The method includes receiving, from the user, selection of the PLMN from the one or more available PLMNs. And the method includes sending a registration request to the PLMN using the access technology.

A system and method for performing a Random Access Channel (RACH) procedure is provided. The method includes configuring a plurality of Bandwidths Parts (BWPs) to one or more Physical Random Access Channel (PRACH) occasions mapped to a public land mobile network identification (PLMN-ID) of a set of different PLMN-IDs, each different PLMN-ID is assigned with at least one operator of a set of operators; assigning each PRACH occasion within an uplink (UL) transmission wherein each PRACH occasion is allocated by the host operator to at least one operator; separating each PRACH occasion of a set of PRACH occasions based on each PLMN-ID of the set of PLMN-IDs; and enabling a User Equipment (UE) operating at a cell site of the RACH procedure via at least one PRACH occasion allocated by the host operator based on the PLMN-ID that has been mapped to subscribers for at least one operator.

Embodiments herein provide a method for managing a priority of Visited Public Land Mobile Networks (VPLMNs) of a wireless communication network. The method includes receiving a registration accept message including steering of roaming (SoR) information from a VPLMN; in response to a security check of the SoR information being failed, adding the VPLMN to a SoR abort list including PLMNs where a registration was aborted due to SoR; and deleting the SoR abort list after a predetermined time period.

Embodiments of the present application disclose a fault alarm method, device and electronic equipment. The method comprises the following steps: a network detection end sends network fault information to a plurality of public land mobile networks (PLMNs) through a network; the PLMNs forward the network fault information to a shared base station; and when the shared base station detects that the network fault information forwarded by a fault PLMN is not received, it is indicated that a terminal corresponding to the fault PLMN cannot learn that the fault PLMN has entered a disaster situation, therefore, the network fault information is broadcast to the terminal corresponding to the fault PLMN, so that the terminal can quickly identify a communication service problem, reduce a terminal network service interruption time, and improve user experience.

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method performed by an access and mobility management function (AMF) entity in a wireless communication system is provided. The method comprises receiving, from a managed function entity, information on a non-terrestrial network (NTN) public land mobile network (PLMN) restriction, wherein the information includes first information on an identity (ID) of public land mobile network (PLMN) and second information associated with a location for which an access of the PLMN is restricted for an NTN access and restricting the NTN access associated with the location based on the first information and the second information.