Abstract: A network device divided into a training plane and a control plane, model management server that controls a network device, and processing methods of a network device and model management server are disclosed. A processing method may include receiving a machine learning model from a model management server, obtaining network data to generate analytics information, generating analytics information by inputting the network data to a machine learning model, feeding back the analytics information to the model management server, and generating a control command of the network device using the analytics information, wherein the analytics information is generated by a training plane function and the control command is generated by a control plane function.

Abstract: Disclosed is a session management method based on protocol data unit (PDU) session anchor (PSA) relocation, and an device performing the session management method. The session management method may include determining to perform PSA relocation, establishing a new PSA device through the PSA relocation, and releasing an existing PSA device, in which the PSA relocation may allow traffic moving towards the existing PSA device to move to the new PSA device.

Abstract: Disclosed are a user policy provision method and a device performing the user policy provision method. A user equipment (UE) route selection policy (URSP) provision method includes requesting analytics of an analytics identifier (ID), determining a URSP rule based on an analytics result for the analytics ID, and providing the URSP rule.

Abstract: A method and an apparatus for selecting UE through steps of requesting analytics for selecting the UE to participate in an AI/ML operation from an NWDAF in a core network and selecting the UE based on the analytics.

Abstract: Provided is a method of a time synchronization service for federated learning (FL) in a fifth generation (5G) network. The method includes receiving, by an artificial intelligence/machine learning function (AIMLF), a subscription request for UE capability information for an FL time synchronization service from an artificial intelligence/machine learning application function (AIML AF) and transmitting, by the AIMLF, the UE capability information to the AIML AF, in response to the subscription request.

Abstract: A method and an apparatus for monitoring the accuracy of provisioned ML model through steps of: determining to check the accuracy of the ML model provisioned to the NWDAF containing AnLF, collecting data for monitoring the accuracy of the ML model, and reselecting or retraining an ML model of which accuracy is determined to be low based on the collected data are provided.

Abstract: A method and system for providing communication analysis of the user equipment (UE) based on network analysis is disclosed. The method provides communication analysis of the UE in a form as UE communication statistics or UE communication prediction by analyzing network data collected from the network function (NF) device.

Abstract: A method and apparatus for providing analytics to UE through steps of receiving a UE ID of UE and an analytics ID requested by the UE and transmitting analytics corresponding to the analytics ID to the UE are provided.

Abstract: A unified data management function (UDM) in a communication system including: a processor, a memory, and a communication device, wherein the processor executes a program stored in the memory to perform: determining an update of a UE parameter of a terminal to update the UE parameter and notifying the updated UE parameter to an AMF connected to the terminal by invoking a service operation for an SDM notification is provided.

Abstract: Disclosed herein are a method and an NWDAF for collecting network data, including: transmitting a network exposure subscription request message including an event reporting granularity parameter to the NF; receiving a data set determined by the NF based on the event reporting granularity parameter from the NF through an event exposure notification message in at least one reporting cycle; and performing network data analysis using received data set.

Abstract: A network data collection method from application function device for network data analytic function is disclosed. The network data collection method includes transmitting a Naf_EventExposure_Subscribe message for a subscription of an event into an application function (AF) device; and receiving a Naf_EventExposure_Notify message from the AF device when the NWDAF subscribes the event.

Abstract: A terminal for performing an onboarding procedure for remote provisioning through steps of: receiving an onboarding enabled indication from at least one onboarding network; selecting an onboarding network based on the onboarding enabled indication and onboarding network selection information; and attempting registration for the selected onboarding network is provided.

Abstract: A method and an apparatus for supporting service continuity between a first network and a second network are provided, which include: requesting slice analytics for selection of a slice from an NWDAF of the first network before a terminal moves from the first network to the second network; and selecting a slice to be used in the second network to provide a service to the terminal based on the slice analytics received from the NWDAF of the first network.

Abstract: An application function (AF) in a first network and a method for providing a service by the AF via a second network including: requesting quality of service (QoS) related information to a network exposure function (NEF) of a second network different from the first network in which the AF is located, wherein the QoS related information is used to guarantee the QoS of a service to be provided to a terminal; and receiving the QoS related information from the NEF of the second network are provided.

Abstract: Invoking the network exposure subscribe service operation carrying the event reporting information to the NEF, receiving an event exposure notification sent from the NEF based on the reporting type parameter included in the event reporting information, and collecting data based on the event exposure notification A method and device for collecting data through the following steps are provided.

Abstract: A method and system for providing communication analysis of the user equipment (UE) based on network analysis is disclosed. The method provides communication analysis of the UE in a form as UE communication statistics or UE communication prediction by analyzing network data collected from the network function (NF) device.

Abstract: A network data collection method from application function device for network data analytic function is disclosed. The network data collection method includes transmitting a Naf_EventExposure_Subscribe message for a subscription of an event into an application function (AF) device; and receiving a Naf_EventExposure_Notify message from the AF device when the NWDAF subscribes the event.

Abstract: A method and system for providing service experience analysis based on network data analysis is disclosed. According to the method, the NWDAF device can provide the service experience statistics or service experience prediction for an application or a network slice.

Abstract: A method and a system for providing communication analysis of the user equipment (UE) based on network analysis is disclosed. The method provides communication analysis of the UE in a form as UE communication statistics or UE communication prediction by analyzing network data collected from the network function (NF) device.

Abstract: A machine learning (ML) model management method for a network data analytics function (NWDAF) device is disclosed. The NWDAF device performs at least one of an analytics logical function (AnLF) for network data and an ML model training logical function (MTLF).