Abstract: Blocking use of an application on a user equipment through a cellular network. One method is a method for operating a network exposure entity in a cellular network, the cellular network being operable to transmit at least a data packet session of a first application between a user equipment and a content provider. The method includes receiving, from an application entity configured to block the use of the first application on the user equipment, a first blocking request for blocking use of the first application at the user equipment, the first blocking request including an identifier of the user equipment, and an identifier of the first application. The method further includes transmitting, to other entities of the cellular network, a message informing the other entities of the blocking of the first application, the message includes the identifier of the user equipment, and the identifier of the first application.

Abstract: Implementation of an application rule for an application to be accessed by a User Equipment, UE, in a user session in a Service Based Architecture, SBA, domain in a core network of a telecommunications system is disclosed. The SBA, among others, comprises a Policy Control Function, PCF (6), an Application Function, AF (5), and a Session Management Function, SMF (9). The method comprising the steps of receiving, by the PCF (6), an application rule comprising an AF Identifier, AF-ID, identifying the application rule, an Application Identifier, App-ID, identifying the application, and at least one service requirement for processing the application in the SBA domain. The PCF (6) instructing the SMF (9) to execute the at least one service requirement to all present and future user sessions pertaining to the respective application. Complementary methods of supporting the execution of the application rule and devices are also presented.

Abstract: A node of a wireless communication network receives first data indicating a desired quality of experience level for user data traffic of a user of the wireless communication network. Based on a control policy and the desired quality of experience level, the node determines a rule for controlling the user data traffic. Further, the node obtains second data indicating an estimated quality of experience level for the user data traffic subject to control according to the rule. Based on the first data and the second data, the node adapts the control policy, e.g., using a reinforcement learning, RL, mechanism.

Abstract: Aspects of the disclosure provide a method performed by a central Network Data Analytics Function (NWDAF) in a communications network. The communications network comprises one or more local NWDAFs configured to develop a model using federated learning, in which each local NWDAF stores a copy of the model and trains the copy of the model by inputting training data into a machine-learning process. The method comprises receiving, from the one or more local NWDAFs, a respective local model update comprising an update to values of one or more parameters of the model generated by training a respective copy of the model using machine-learning. The method further comprises combining the local model updates received from the one or more local NWDAFs to obtain a combined model update.

Abstract: There is provided mechanisms for generation of an application type specific traffic model. A method is performed by an NWDAF node. The method comprises obtaining instructions from an OAM node to identify an application type as specified by the instructions. The method comprises obtaining a list of applications belonging to the application type from a UDR node. The method comprises generating the application type specific traffic model by identifies a traffic pattern in traffic data as collected from a UPF node for the application type and by associating the traffic pattern with the application type in the application type specific traffic model.

Abstract: In an example aspect, a method for service registration in a communications network is provided. The method comprises receiving a service registration request, the request identifying a network function to provide a service, a type of the service, and a version of the service, and storing information in a repository, the information identifying the network function, the type of the service and the version of the service.

Abstract: There is provided a method performed by a first data analytics entity for a communications network. The first data analytics entity has access to a first dataset of network data. The method comprises: receiving a request message from a second data analytics entity for the communications network, the request message comprising a model generated by the second data analytics entity using a machine-learning algorithm based on a second dataset to which the second data analytics entity has access, and an indication of an analytic to be calculated by the model; applying the model to the first dataset to measure the accuracy of the model; and transmitting a response message to the second data analytics entity comprising an indication of the accuracy of the model when applied to the first dataset.

Abstract: A technique for maintaining a subscription of a subscriber Network Function, NF, for receiving events related to a User Equipment, UE, from a serving NF in a telecommunication system is disclosed, wherein the UE is served by a first instance of the serving NF.

Abstract: A technique of triggering transition control between different RRC states of wireless terminal devices is described. A method aspect of this technique comprises receiving a request for an RRC state transition control for a terminal device, wherein the request includes at least one identifier associated with the terminal device. The method further comprises obtaining a temporal inactivity parameter associated with the at least one identifier, wherein the temporal inactivity parameter depends on an estimated period of time between two traffic activities of the terminal device. Further still, the method comprises triggering, based on the temporal inactivity parameter or a parameter derived on the basis of the temporal inactivity parameter, the RRC state transition control for the terminal device.

Abstract: A method of activating data collection for an analytic at a first network function comprises registering at the first network function information relating to an analytic, wherein the information relating to the analytic comprises information identifying a user equipment, UE, information identifying the analytic, and at least one analytic criterion that is associated with the analytic (502). The method also involves registering at a second network function the information relating to the analytic (504). The method also involves, at a third network function, receiving initiation information corresponding to the UE, and communicating the initiation information to the second network function (506). The method also involves communicating from the second network function to the third network function, at least a part of the information relating to the analytic, wherein the at least a part of the information relating to the analytic comprises the at least one analytic criterion (508).

Abstract: In an example aspect, a method for service registration in a communications network is provided. The method comprises receiving a service registration request, the request identifying a network function to provide a service, a type of the service, and a version of the service, and storing information in a repository, the information identifying the network function, the type of the service and the version of the service.

Abstract: A method of enabling functionality at a User Plane Function, UPF, by a Session Management Function, SMF, in a telecommunication network. The method includes receiving, by the UPF, a session creation/modification message for creating/modifying a session between the UPF and the SMF, wherein the session creation/modification message includes a session functionality indication for indicating functionality to be enabled for said session, and enabling, by the UPF, the functionality during the session between said UPF and the SMF.

Abstract: A method of classifying traffic data in a network comprises at a Network Data Analytics Function (NWDAF), receiving information relating to traffic data with a known classification from one or more first network functions, and developing a model for classifying future traffic data based on the information relating to the traffic data with a known classification. The method also involves at a second network function, storing a representation of the developed model. The method also involves at a third network function, receiving the representation of the developed model from the second network function, and installing the representation of the developed model at a fourth network function. The method also involves at the fourth network function, classifying traffic data using the developed model.

Abstract: The embodiments herein relate to Sx protocol extension to support node PDR. In one embodiment, there proposes a method (500) in a first network node (301) configured as control plane function (CPF). The first network node (301) is coupled to a second network node (302) configured as user plane function (UPF) via an Sx interface. The method (500) comprising transmitting (S501) a message associated with a Packet Detection Rule (PDR) to the second network node (302) via the Sx interface, wherein the PDR is applicable to more than one Sx session. With embodiments herein, the CPF-UPF signaling throughput can be minimized significantly, and the memory footprint per Sx session can be decreased.

Abstract: The invention relates to a method, for controlling at least one path in a multipath environment by a path control entity, wherein the at least one one path is used for transmitting an encrypted video stream comprising a sequence of video segments. The method comprises the following steps: estimating a resolution used in the video stream based on the video segments, and determining that the resolution used in the video stream has changed during the transmission. When it is determined that the resolution used in the video stream has changed, an adaptation of a number of the at least one path used for transmitting the video stream in the multipath configuration is initiated based on the determined change of the resolution.

Abstract: The embodiments herein relate to a method performed by a PCF node (101) for enabling user plane traffic classification in a communications system (100) supporting CUPS with multiple UPF nodes (105). The PCF node receives, from a SMF node (103), a policy request for a UE (114). The PCF node (101) obtains, from a UDR (108), an indicator indicating COMU for the UE (114), and transmits, to the SMF node (103), a policy response comprising the indicator indicating COMU.

Abstract: Methods and systems for Open Network Automation Platform (ONAP) Fifth Generation Core (5GC) interaction for analytics are provided. According to one aspect, a method, performed by a Front End node for receiving patterns extracted from events and current network status data in a telecommunications network, comprises: receiving, from a Session Management Function (SMF) a request for a User Plane Function (UPF) selection recommendation for a user; determining a list of applications associated with the user; sending, to a Data Collection, Analytics, and Events (DCAE) function of an ONAP, a request for a list of Application Server (AS) locations; receiving, from the DCAE function, the list of AS locations; selecting a UPF based on the user's mobility and application usage patterns; and sending, to the SMF, a recommendation identifying the selected UPF.

Abstract: An aspect provides a method by user plane function (UPF) in a core network (CN) of a communication network for registering the UPF at a network repository function (NRF) of the CN. The UPF is to selectively route uplink data traffic in one or more data sessions from a user equipment (UE) to one of a plurality of session anchor network functions (NFs). The method by the UPF comprises sending (1701) a registration request to the NRF. The registration request comprises registration information comprising an indication of a type of filter supported by the UPF to selectively route uplink data traffic from a UE to a particular session anchor NF. The type of filter relates to an application identity; and an indication of a value for the indicated type of filter.

Abstract: There is provided mechanisms for discovering, for data collection, which NEF or AF is serving a UE. A method is performed by an NWDAF entity. The method comprises providing, to a 5GC network function entity, a query of which NEF or AF is serving the UE. The method comprises receiving, from the 5GC network function entity, a response comprising an ID of the NEF or the AF when there is a NEF or AF instance stored in the 5GC network function entity for the UE.

Abstract: Embodiments include a method, in an application function, AF, for exchanging UE communication pattern information with a core network, CN. The method comprises provisioning, to a network exposure function, NEF, in the CN, communication information related to one or more user equipment, UEs, the communication information including an identifier of an application associated with the AF and an indication of one or more first parameters describing a first UE communication pattern associated with the application. The method further comprises sending, to the NEF, a subscription request, wherein the subscription request includes the identifier of the application. Further still, the method comprises receiving, from the NEF, a report indicative of an analysis of traffic of the application based at least on the one or more first parameters.