Configurable application data filtering in a telecommunications network
A method in a telecommunications system including a Data Network, DN, a base station, a connection via the base station from the DN to a User Equipment, UE, executing a UE application producing application data, and an algorithm entity on the DN, wherein the base station transmits network configuration information to a DN application executing on the algorithm entity, the DN application produces and transmits a filtering configuration based on the network configuration information to the UE for use in filtering the application data before transmission to the algorithm entity, allowing the UE to produce application data filtered according to the filtering configuration, and the connection transmits the filtered application data to the algorithm entity.
1 . A method in a telecommunications system including a Data Network, DN, a base station, a connection via the base station from the DN to a User Equipment, UE, executing a UE application producing application data, and an algorithm entity on the DN, wherein:
the base station transmits network configuration information to a DN application executing on the algorithm entity;
the DN application produces and transmits a filtering configuration based on the network configuration information to the UE for use in filtering the application data before transmission to the algorithm entity, allowing the UE to produce application data filtered according to the filtering configuration; and
the connection transmits the filtered application data to the algorithm entity.
2 . The method according to claim 1 , wherein the DN application is an Artificial Intelligence, Al, application and the application data produced by the UE is used in a training or an inference phase of the Al application.
3 . The method according to claim 2 , wherein the application data produced by the UE is used in both the training and inference phases of the Al application and the algorithm applies a different filtering configuration in each phase.
4 . The method according to claim 2 , wherein the algorithm entity initially carries out filtering as part of inference or training and the filtering at the algorithm entity is then at least partially transferred to the UE by the filtering configuration.
5 . The method according to claim 2 , wherein the filtering configuration is tuned during the training or inference phase.
6 . The method according to claim 5 , wherein the filtering configuration is tuned during the training or inference phase using reinforcement learning.
7 . The method according to claim 1 , wherein the algorithm entity includes a determination application which determines one or more preferred network configurations associated with the transfer of the application data between the UE and the base station, and sends the one or more preferred network configurations to the base station.
8 . The method according to claim 7 , wherein the one or more preferred network configurations are based on the network configuration information and/or based on the application data from the UE used in the DN application.
9 . The method according to claim 7 , wherein the algorithm entity receives a plurality of possible network configurations from the base station or a Session Management Function, SMF, and determines the one or more preferred network configurations from these possible network configurations.
10 . The method according to claim 1 , wherein the algorithm entity transmits a request for the network configuration information.
11 . The method according to claim 1 , wherein unfiltered application data is sent from the UE to the algorithm entity before the UE starts filtering.
12 . The method according to claim 1 , wherein the telecommunications system is connected to a plurality of UEs, each executing an instance of the UE application and wherein a data stream for each UE is either separated within the base station into different flows or combined within the base station into a common data flow.
13 . The method according to claim 12 , wherein a decision as to the combination or separation is controlled by the Session Management Function, SMF.
14 . The method according to claim 1 , wherein the filtering configuration is transmitted over the radio interface using a UE-specific control signalling channel and applies the filter via non-Access Stratum, NAS to the UE application or is transmitted over the radio interface using application layer signalling carried by the radio interface as user data.
15 . The method according to claim 14 , wherein the filtering configuration is transmitted over the radio interface using the UE-specific control signalling channel in the RRC layer.
16 . A telecommunications system including a Data Network, DN, a base station, a connection via the base station from the DN to a User Equipment, UE, executing a UE application producing application data, and an algorithm entity on the DN, wherein:
the base station is configured to transmit network configuration information to a DN application executing on the algorithm entity;
the DN application is configured to produce and transmit a filtering configuration based on the network configuration information to the UE for use in filtering the application data before transmission to the algorithm entity, allowing the UE to filter the application data according to the filtering configuration; and
the connection is configured to transmit the filtered application data to the algorithm entity.
17 . A method in a User Equipment, UE, accessing a telecommunications system including a base station, a connection from the UE to a Data Network, DN, via the base station, and an algorithm entity on the DN, wherein the UE:
executes a UE application producing application data;
receives a filtering configuration for the application data from a DN application executing on the algorithm entity, the filtering configuration being based on network configuration information sent from the base station to the algorithm entity;
filters the application data according to the filtering configuration; and
transmits the filtered application data to the algorithm entity.
18 . A method for radio access network operation of a base station in a telecommunication system, the method comprising:
transmitting network configuration information from the base station to a Data Network, DN;
executing the network configuration information by a DN application residing on an algorithm entity in the DN;
receiving a filtering configuration from the DN application based on the network configuration information;
transmitting the filtering configuration to a User Equipment, UE, that accesses the telecommunication system;
receiving filtered application data from the UE, the filtered application data is filtered based on the filtering configuration; and
transmitting the filtered application data to the algorithm entity in the DN.