448 results about "Non-access stratum" patented technology

A wireless device receives, from an access and mobility management function (AMF) in a first non-access stratum (NAS) message, parameters comprising a reporting configuration for a deterministic network (DetNet) node. The wireless device sends, to the AMF and based on the parameters, a second NAS message comprising a report for the DetNet node.

The invention provides a communication method, device and system, and relates to the technical field of mobile communication. The communication method is executed by core network equipment, and comprises the following steps: receiving a non-access stratum message sent by user equipment, the non-access stratum message carrying an indication field of a connection service request and an indication field of a data service request; generating a service request according to the non-access stratum message; and sending the service request, wherein the service request is used for triggering a connection service management function device and a data service management function device to provide a connection service and a data service for the user equipment. Through the method, the network can process the connection request and the data service request of the user equipment at the same time, the signaling overhead of the multi-element service request is saved, and the service time delay is reduced.

Some embodiments of this disclosure include systems, apparatuses, methods, and computer-readable media for use in a wireless network for communicating data over control plane in a 5G system. For example, some embodiments are directed to a user equipment (UE). The UE includes processor circuitry and radio front end circuitry. The processor circuitry can be configured to transmit, using the radio front end circuitry, a first message for connecting to a 5G network and indicating a capability of the UE relating to Cellular Internet of Things (CIOT). The processor circuitry can be further configured to transmit, using the radio front end circuitry and via a control plane to the 5G network, a second message comprising mobile originated data. The processor circuitry can be further configured to receive, using the radio front end circuitry, a third message from the 5G network.

Provided are a data collection method and apparatus, the method comprising: a data collection application function network element sending first information to a non-access layer of a terminal device or a network device, the first information being used for requesting a first access layer data set of the terminal device, the first information comprises measurement and report configuration information of the first access layer data set, and the first access layer data set comprises access layer data requested to be acquired by an event user application function network element; the data collection application function network element receives second information, the second information is used for indicating a second access layer data set, and the second access layer data set comprises all or part of access layer data in the first access layer data set; and the data collection application function network element sends the second information to the event user application function network element. Through the method, the access layer data of the terminal equipment can be collected.

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Embodiments herein provide a method for randomizing signalling during a discontinuous coverage area in a satellite access apparatus by a UE. The method includes registering the UE to the satellite access apparatus through a satellite access network. Further, the method includes receiving a discontinuous coverage wait range from the satellite access network. Further, the method includes detecting a discontinuous coverage in the satellite access apparatus. Further, the method includes determining a random wait time within the discontinuous coverage wait range. Further, the method includes starting a wait timer configured with the determined random wait time based on the determination, when the UE returns to coverage after being out of coverage on the satellite access apparatus and waiting for the expiry or stop of the wait timer to initiate an access stratum (AS) signalling or a Non-access stratum (NAS) signalling on the satellite access network.

A wireless device may be configured to perform a method including receiving, from a time sensitive network (TSN) translator device, a TSN parameter. The wireless device may also send, to an access and mobility management function (AMF), a non-access stratum (NAS) message indicating a request to establish a protocol data unit (PDU) session comprising the one or more TSN parameters. The wireless device may receive, from the AMF, a message indicating acceptance of the PDU session.

An apparatus comprising means for performing: receiving a registration or service request for a user equipment: creating an association between the apparatus and a network function, wherein the association is specific to the user equipment: forwarding the registration or service request to the network function: using the association to receive from the network function or send to the network function at least one of: Non Access Stratum control messages for the user equipment: Access Network control messages for the user equipment.

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method performed by a first mobility management entity (MME) which is an onboard MME of a satellite in a wireless communication system is provided. The method comprises receiving, from a user equipment (UE), an attach request message associated with a non stratum access (NAS) procedure; and transmitting, to the UE, an attach accept message for the attach request message, the attach accept message including a wait timer for a subsequent NAS procedure, wherein the subsequent NAS procedure is performed based on an expiration of the wait timer.

Systems and methods are disclosed for enhancing cryptographic security in 5G networks by addressing key management, algorithm selection, and security context consistency. One method ensures uniform cryptographic key lengths during Access and Mobility Function (AMF) changes, maintaining consistent Non-Access Stratum (NAS) security contexts across transitions. Another method focuses on dual connectivity scenarios, ensuring uniform cryptographic key lengths across Master Node and Secondary Node communications by defining a unified cryptographic profile and enhancing capability signaling. Additionally, an entropy-based approach to cryptographic algorithm selection is introduced, incorporating entropy assessment into the capability signaling process. This ensures that selected cryptographic algorithms for Access Stratum (AS) and NAS layers align with the actual entropy of long-term keys, providing true security levels.

According to one embodiment of this specification, there is provided an operation method of user equipment (UE). The method may comprise: upon coming out of an unavailability period, performing a tracking area update (TAU) procedure. The TAU procedure may include transmitting a tracking area update request message. The method may comprise: if a first timer is not running and if the tracking area update request includes unavailability information, but does not include a start of the unavailability period, locally releasing a non-access stratum (NAS) signalling connection, upon completing the tracking area update procedure.

According to one embodiment of this specification, there is provided an operation method of user equipment (UE). The method may comprise: generating an Evolved Packet System (EPS) Mobility Management (EMM) transport message for an initial non-access stratum (NAS) message; and transmitting the EMM transport message with an integrity protected. If the EMM transport message may include a data container, the EMM transport message may be partially ciphered. The EMM transport message may be transmitted if the UE uses an Evolved Packet System (EPS) service with control plane Cellular Internet of Things (CIoT) EPS optimization with overhead reduction.

A method performed by a user equipment (UE) may comprise: receiving a Registration Accept message including a validity time for at least one Single Network Slice Selection Assistance Information (S-NSSAI); establishing at least one PDU (protocol data unit) session associated with the at least one S-NSSAI, if the at least one S-NSSAI is included in an Allowed NSSAI or in a Partially Allowed NSSAI; and not initiating a UE-initiated Non-access stratum (NAS) transport procedure to send a Cellular Internet of Things (CIoT) user data nor a service request procedure to send the CIoT user data, if the at least one PDU session is established for the at least one S-NSSAI included in the partially allowed NSSAI and if a current TAI is not in the list of tracking areas (TAs) for which the S-NSSAI is allowed.

A method performed by an access network node in a non-terrestrial network is disclosed. The method includes receiving, via an available link, at least one non access stratum, NAS, Protocol Data Unit, PDU, in a case where either a service link between the access network node and a user equipment, UE, or a feeder link between the access network node and a gateway in a terrestrial network is unavailable, without triggering of establishing a connection for another link than the available link; storing the at least one NAS PDU until the another link becomes available; and forwarding, via the another link, the at least one NAS PDU when the another link becomes available.

The invention provides a verification method and device for data collection, and the method comprises the steps: a network device sends first indication information to a DCAF, and the first indication information is used for indicating that a first access layer data set of a terminal device can only be provided to other network elements after being authorized; the network equipment receives first request information from a non-access layer of the ECAF or the terminal equipment, wherein the first request information is used for requesting authorization of a second access layer data set; the network equipment sends first information to a non-access layer of the ECAF or the terminal equipment, the first information is used for indicating a first key, the first key is used for authorization of a third access layer data set, and the third access layer data set comprises all or part of data in a second access layer data set; the network equipment receives first information from an access layer of the DCAF or the terminal equipment; and the network equipment sends second information to an access layer of the DCAF or the terminal equipment, wherein the second information is used for indicating a verification result of the first key.

Provided herein are techniques to facilitate multiple sessions for a wireless device with a mobile core network via a trusted WLAN. In one example, a method may include obtaining, by an interworking function of a WLAN, an indication that a wireless device seeks to establish a session with the mobile core network, wherein the indication comprises first parameters associated with the session. The method may further include upon identifying, by the interworking function, that the first parameters match a route selection rule of a plurality of route selection rules for the wireless device, facilitating establishment of the session with the mobile core network based on the first parameters. In one instance, the wireless device is not capable of Non-Access-Stratum (NAS) signaling with the mobile core network via the WLAN.

A user equipment (UE) is configured to receive an indication that a localized service is available at a non-public network (NPN) and transmit a registration request to the NPN. In some cases, the indication that the localized service is available at the NPN is provided in broadcast information. In other cases, the indication that the localized service is available at the NPN is provided in one or more non-access stratum (NAS) signals.

Methods and apparatus are provided for supporting Multimedia priority services (MPS) for SMS over NAS. The method is performed by an Access and Mobility management Function (AMF) or an SMS function (SMSF) used for the UE, and comprises obtaining for the UE subscription data comprising MPS for short message indication and setting a message priority header based on the obtained MPS for short message indication when the MPS for short message indication indicates MPS is to be applied for short message service in messages transmitted between the AMF and the SMSF associated with the UE.

This disclosure provides a User Equipment (UE), including: a transmitter configured to transmit at least one Protocol Data Unit (PDU) session identifier (ID), each of which indicates a PDU session that the UE needs to use in a Non Access Stratum (NAS) Service Request message to a Mobility Management Function (MMF) via an access network (AN) node when the UE has user data to send.

A method for processing small data transmission, a device and a readable storage medium are provided, which relates to the field of communication technology to save air interface resources. The method includes: receiving, by a first access network node, downlink small data transmission (SDT) data and / or downlink non-access-stratum (NAS) signaling of a target terminal; determining, by the first access network node, that an anchor point transfer occurs on the target terminal; and sending, by the first access network node, SDT configuration information to a second access network node, where the second access network node is accessed by the target terminal, and the SDT configuration information is configured to process the downlink SDT data and / or the downlink NAS signaling of the target terminal.

Methods, systems, apparatuses, and computer program products provide network function selection for user equipment via a gateway network node. In an implementation, a single-network slice selection assistance information (S-NSSAI) list is received from a user equipment (UE). Additionally, it is determined whether a network node does not support a non-access stratum node selection function for the UE. Based on a determination that the network node does not support the non-access stratum node selection function for the UE, an initial UE message configured with an information element for the S-NSSAI list is generated, and the initial UE message is caused to be transmitted to a gateway network node to select a core network function for the UE.

This application regards optimization of non-access stratum signaling between a wireless device and a cellular wireless network to reduce network signaling load, conserve local access radio resources, and enhance the user experience of the wireless device. The wireless device proactively releases a packet data network (PDN) connection locally at the wireless device and marks a corresponding radio bearer inactive in a tracking area update request sent to the cellular wireless network to shorten time to complete the PDN connection, reducing network signaling load and freeing up access network resources. The wireless device also proactively releases a NAS signaling connection locally without waiting for a cellular wireless network disconnection when the NAS signaling connection is no longer required by the active subscriber identity module (SIM) of the wireless device, thereby allowing resources to be reallocated if needed to another SIM of the wireless device.

The invention relates to a method for operating a user equipment with a telecommunications network and for communicating with at least two of a plurality of network functions or services of the telecommunications network or of a further telecommunications network, the plurality of network functions or services being able to provide different kinds of network function functionalities, wherein the user equipment is operated using at least a first non-access stratum communication link and a second non-access stratum communication link, the first non-access stratum communication link being established between the user equipment and a first network function or service of the plurality of network functions or services, and the second non-access stratum communication link being established between the user equipment and a second network function or service, wherein the first non-access stratum communication link involves establishing a first non-access stratum security context between the user equipment and the first network function or service and the second non-access stratum communication link involves establishing a second non-access stratum security context between the user equipment and the second network function or service, wherein the operation of the user equipment, using at least the first and second non-access stratum communication links, comprises the following steps: —in a first step, the first non-access stratum communication link as well as the first non-access stratum security context is established using a first non-access stratum endpoint information, and the second non-access stratum communication link as well as the second non-access stratum security context is established using a second non-access stratum endpoint information, —in a second step, the first and second non-access stratum communication links are used between their respective endpoints, wherein a first information element of or transmitted using the first non-access stratum security context is able to be referenced by a second information element of or transmitted using the second considered non-access stratum security context and / or wherein a first information element of or transmitted using the first non-access stratum security context is able to reference a second information element of or transmitted using the second considered non-access stratum security context.

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Embodiments disclosed herein relate to methods and systems for updating a partially allowed network slice selection assistance information (NSSAI) list, and managing a congestion timer / back-off timer for an alternative single-NSSAI (S-NSSAI) in wireless communication networks. The methods include removing network slice support information stored in a user equipment (UE), if a Non-Access Stratum (NAS) message from a network indicates to delete the network slice support information. The methods include applying a back-off timer to the S-NSSAI to be replaced (S-NSSAI-1) / alternative S-NSSAI (S-NSSAI-A) / combination of S-NSSAI-A+S-NSSAI-1, on receiving a Packet Data Unit (PDU) session establishment request, when the network is congested. The methods include applying a back-off timer to the S-NSSAI-A / S-NSSAI-1 / combination of S-NSSAI-A+S-NSSAI-1, on receiving a congestion timer from the network function while requesting an alternative S-NSSAI

A radio access network (RAN) device receives a first message, where the first message includes identifiers of one or more first network slices, and the identifiers of the one or more first network slices are included in a non-access stratum (NAS) request message sent by a terminal device to a core network (CN) device by using the RAN device. The RAN device sends a second message including network slice redirection information to the terminal device, where the network slice redirection information includes at least one of network slice remapping information or terminal device redirection information, and the network slice redirection information is obtained after the RAN device performs network slice redirection decision-making on the one or more first network slices.

Embodiments of the present disclosure relate to a signal coverage information determination method and apparatus, a communication device, and a storage medium. User equipment (UE) receives broadcast information carrying first signal coverage information sent by a non-terrestrial network (NTN) access network device; the UE receives a non-access stratum (NAS) message carrying second signal coverage information sent by a core network device, the NAS message being related to a configuration update of the UE; and the UE determines third signal coverage information to be adopted by the UE on the basis of the first signal coverage information and the second signal coverage information.

Various aspects of the present disclosure relate to UE, base station and methods supporting AIoT service. In one aspect, a UE triggers an inventory procedure or a command procedure towards AIoT devices. The UE receives at least one of the following from at least one first AIoT device among the AIoT devices: an ID of the at least one first AIoT device or AIoT data. In turn, the UE aggregates at least one of the ID or the AIoT data into a single message at one of the following: an AIoT layer, a NAS layer or an RRC layer of the UE. Then, the UE transmits the message to a node in a CN.

Embodiments provide novel approaches to handling network slice groups in access stratum and non-access stratum communications in a cellular communication network. Novel slice identification schema can support group-level identification of groups of network slices without individually listing the network slices. Some embodiments implement a slice identifier that supports wildcard slice / service type (SST) options and / or wildcard slice differentiator (SD) options to support wildcard-enabled slice groups. Some embodiments enable use of such wildcard-enabled slice groups in context of unified access control. Some embodiments introduce a novel criteria type to unified access control to expressly support flexible slice grouping.

The invention discloses a terminal voice capability reporting method and device, electronic equipment and a storage medium. The method comprises the following steps: in a scene that a non-ground network Internet of Things terminal communicates with a satellite network, a target identification bit is added to a non-access stratum message, and the target identification bit is used for representing whether the terminal supports IP multimedia subsystem packet switching voice or not; and sending the non-access stratum message added with the target identification bit to a network side. The technical problem that the current communication standard cannot meet the requirement of the voice reporting capability of the terminal in a non-ground internet of things scene is solved.

A method can include sending, by a core network device comprising an access and mobility management function (AMF) to a wireless device, a first non-access stratum (NAS) message via a first base station of a first access of the wireless device. The method can also include sending, by the AMF to the wireless device, a second NAS message via a second base station of a second access of the wireless device. The method can further include receiving, by the AMF from the first base station of the first access, first radio resource control (RRC) configuration parameters of the wireless device for the first access. The method can additionally include sending, by the AMF to the second base station of the second access, the first RRC configuration parameters of the wireless device for the first access while maintaining the first access and the second access for the wireless device.

A method performed by a central unit control plane (CU-CP) network function (NF) for protocol data unit (PDU) session establishment in an end-to-end service-based environment is provided. The method includes receiving, from a user equipment (UE), a non-access stratum (NAS) messages comprising a PDU session establishment request obtaining a decoded NAS message in response to receiving the NAS message, selecting a session management function (SMF) based on the decoded NAS message, receiving, from the selected SMF, PDU session details, and transmitting, to the UE, the PDU session details to facilitate an establishment of the PDU session.