Abstract: A data transmission method, applied to a first terminal device, includes receiving a first message from a second terminal device, determining a first session parameter based on the first message, determining a first session based on the first session parameter, receiving first data from the second terminal device, and sending the first data to a network device using the first session. The first terminal device may determine, based on the first message from the second terminal device, the first session parameter that meets a service requirement of the second terminal device, determine, based on the first session parameter, the first session that meets the service requirement of the second terminal device, and forward data of the second terminal device to the network device using the first session.

Abstract: The present disclosure provides a method and an apparatus for subscribing to an analytics of model transfer status in a network, and a readable storage medium, the method includes: an application function AF sending a first message to a network data analytic function NWDAF directly or through a network exposure function NEF; the AF receiving, directly or through the NEF, analytics information of AI/ML model transfer status sent by the NWDAF, the analytics information being determined by the NWDAF according to received data of the AI/ML model transfer status sent by other network function(s) 5GC NF(s); the analytics information being used to adjust a network policy parameter and/or information of an application layer model.

Abstract: A federated learning group processing method, a device and a functional entity are provided, where the federated learning group processing method includes: obtaining the characteristic information of the federated learning (FL) group; determining the second functional entity according to the characteristic information of the FL group; adding the second functional entity to the FL group.

Abstract: Embodiments of the present application provide a multicast broadcast session processing method, a network function entity, an apparatus, and a storage medium. The method includes receiving a first request sent by a user equipment (UE), the first request being a registration request message or a service request message; obtaining multicast session information of the UE according to the first request; and executing, according to the multicast session information, a processing operation related to a multicast session.

Abstract: A network analytics transfer method and apparatus, and a network function entity are provided. The method includes receiving an analytics transfer request, wherein the analytics transfer request is configured to request to transfer first network analytics from a source network function entity to the target network function entity; obtaining analytics aggregation information of the first network analytics according to the analytics transfer request, wherein the analytics aggregation information includes aggregation indication information of one or more first network function sub-entities, and the first network function sub-entities are configured to provide first analytics results to the source network function entity; performing network analytics aggregation according to the analytics aggregation information to obtain an aggregated analytics result of the first network analytics.

Abstract: A wireless communication method is applied to a communications system including a UE, a RAN, a first core network entity, and at least one network slice. The wireless communication method includes: establishing, by the first core network entity, a signaling connection to the UE; receiving, by the first core network entity and from the UE via the signaling connection, network slice information and a non-access stratum NAS message; determining, by the first core network entity and based on the network slice information, a target network slice from the at least one network slice, where the target network slice includes a second core network entity, and the UE performs NAS communication with the second core network entity using the RAN and the first core network entity; and sending, by the first core network entity, the NAS message to the second core network entity.

Abstract: The present disclosure provides a machine learning model processing method and apparatus, and a storage medium. A UE creates a local machine learning model for a target application in advance according to a global machine learning model provided by a first network function entity, determines local training data related to the target application, trains the local machine learning model according to the local training data, and sends local model parameters of the trained local machine learning model to the first network function entity, so that the first network function entity updates the global machine learning model. In this way, federated learning can be 10 realized between the UE and the first network function entity for providing the model, and the performance of sharing, transmitting and training machine learning models between the UE and the network is improved, thus meeting the rapidly developing communication services and application demands.

Abstract: The present application provides a charging method, a user equipment and a network-side equipment. The method comprises: acquiring, by a user equipment, charging information of a quality of service (QoS) flow, wherein the charging information is generated based on a proximity based service provided by the user equipment; and transmitting the charging information to a network-side equipment, wherein the charging information comprises flow information of the QoS flow.

Abstract: A wireless communication method is applied to a communications system including a UE, a RAN, a first core network entity, and at least one network slice. The wireless communication method includes: establishing, by the first core network entity, a signaling connection to the UE; receiving, by the first core network entity and from the UE via the signaling connection, network slice information and a non-access stratum NAS message; determining, by the first core network entity and based on the network slice information, a target network slice from the at least one network slice, where the target network slice includes a second core network entity, and the UE performs NAS communication with the second core network entity using the RAN and the first core network entity; and sending, by the first core network entity, the NAS message to the second core network entity.

Abstract: A network analytics transfer method and apparatus, and a network function entity are provided. The method includes receiving an analytics transfer request, wherein the analytics transfer request is configured to request to transfer first network analytics from a source network function entity to the target network function entity; obtaining analytics aggregation information of the first network analytics according to the analytics transfer request, wherein the analytics aggregation information includes aggregation indication information of one or more first network function sub-entities, and the first network function sub-entities are configured to provide first analytics results to the source network function entity; performing network analytics aggregation according to the analytics aggregation information to obtain an aggregated analytics result of the first network analytics.

Abstract: A transfer method for network analytics, a transfer apparatus for network analytics and a readable storage medium are disclosed in the present disclosure, which are related to the field of communication technology, so as to ensure that a target network function entity obtains an accurate analytics result in a case that the network analytics transfer is occurred. The method includes: acquiring, by a target network function entity, model information of a target network analytics from a source network function entity; acquiring, by the target network function entity, a model of the target network analytics according to the model information of the target network analytics; executing, by the target network function entity, a network analytics using the model to obtain an analytics result of the target network analytics, where the target network analytics is a network analytics transferred from the source network function entity to the target network function entity.

Abstract: Embodiments provide a core network selection method, an apparatus, and a system. The method includes the following steps: obtaining first dedicated core network (DCN) information from an access network device, where the first DCN information includes information about at least one DCN that can be accessed by the access network device. The method also includes selecting a to-be-accessed DCN from the at least one DCN according to the first DCN information, and sending information about the to-be-accessed DCN to the access network device, so that the access network device determines a core network device according to the information about the to-be-accessed DCN.

Abstract: A registration method applied in a terminal device includes sending a first request, where the first request is used to request to register in a first cell, receiving a first message, where the first message is used to indicate that the terminal device is successfully registered in the first cell, when the first message does not carry a first network slice identifier and the terminal device cannot establish a protocol data unit (PDU) session on a first network slice corresponding to the first network slice identifier, sending a second request, where the second request is used to request to register in a second cell, receiving a second message, where the second message carries a second network slice identifier, and establishing the PDU session on a second network slice corresponding to the second network slice identifier.

Abstract: Embodiments of the present disclosure provide a broadcast-multicast service session transmission control method and device. The broadcast-multicast service session transmission control method performed by a user equipment (UE) includes: receiving session state information of a broadcast-multicast service session, transmitted by an access network device; and stopping monitoring a data transmission channel of the broadcast-multicast service session, in case that the session state information indicates that the broadcast-multicast service session is in a release state. Thus, in the embodiments of the present disclosure, when the MBS session is in the release state, the access network device can notify the UE in the MBS session that the MBS session is in the release state, so that the UE can no longer monitor a data transmission channel of the MBS session, thereby saving the power.

Abstract: An inter-network change method and apparatus, where a terminal determines second network slice information to which first network slice information is mapped. The first network slice information is information about a first network slice accessed by the terminal, the second network slice information is information about a second network slice, the first network slice is a network slice in a first network, and the second network slice is a network slice in a second network. The terminal sends a request message to the second network and receives an accept message returned by the second network, such that the terminal accesses a network slice identified by network slice information accepted by the second network. It can be learned that embodiments of the present disclosure can implement a handover operation between network slices of different networks.

Abstract: An inter-network change method and apparatus, where a terminal determines second network slice information to which first network slice information is mapped. The first network slice information is information about a first network slice accessed by the terminal, the second network slice information is information about a second network slice, the first network slice is a network slice in a first network, and the second network slice is a network slice in a second network. The terminal sends a request message to the second network and receives an accept message returned by the second network, such that the terminal accesses a network slice identified by network slice information accepted by the second network. It can be learned that embodiments of the present disclosure can implement a handover operation between network slices of different networks.

Abstract: Embodiments of the present invention provide a service processing method and device. The service processing method includes: receiving a first message, where the first message includes first information of a first network slice, a priority corresponding to the first information, second information of a second network slice, and a priority corresponding to the second information; and preferentially processing a service of the high-priority network slice based on the priorities when a service of the first network slice collides with a service of the second network slice.

Abstract: Embodiments of the present application provide methods and apparatuses for determining a delivery mode, and an equipment, and a storage medium. The method, performed by an AN function, includes: receiving multicast broadcast service (MBS) assistance information sent by core network (CN) function or an operation, administration and maintenance (OAM) platform; and determining a radio delivery mode for MBS service and/or radio resources for the MBS service according to the MBS assistance information. Therefore, according to the embodiments of the present application, the unified control of the AN delivery mode by the network can be achieved, the overall performance of the network can be optimized and the accuracy of determining the delivery mode can be increased.

Abstract: The method for joining a multicast broadcast service (MBS) session includes: receiving, by the network device, MBS information sent by a User Equipment, UE; determining according to the MBS information, by the network device, information of a first Session Management Function, SMF, that currently serves an MBS session corresponding to the MBS information; and sending, by the network device, the MBS information to the first SMF according to the information of the first SMF, so that the first SMF handles the UE joining into the MBS session. In this way, the network device obtains the SMF that currently serves the MBS session by querying, so that one MBS session is only served by one SMF, avoiding the situation that SMFs serve the same MBS session, and simplifying the MBS session management.