Method and apparatus for utilizing data collection and analysis function in wireless communication system

1. A method of adding a type of network-related analysis information provided by a network data analytics function (NWDAF), to the NWDAF, the method comprising:

receiving, by the NWDAF, an analytic information addition request requesting an addition of new network-related analytic information to a list of available network-related analytic information in the NWDAF; and

transmitting, from the NWDAF, a response message including information about whether the new network-related analytic information has been added to the list of available network-related analytic information, in response to the analytic information addition request,

wherein the network-related analytic information is obtained by analyzing information collected from at least one entity in a network, and

wherein the analytic information addition request includes information about a definition of the new network-related analytic information.

2. The method of claim 1 , further comprising:

requesting the list of available analytic information;

providing the list of available analytic information in response to the request; and

receiving a subscription request of the analytic information,

wherein the new network-related analytic information is not included in the list of available analytic information, and

wherein the analytic information addition request is included in the subscription request of analytic information.

3. The method of claim 1 ,

wherein the analytic information addition request further comprises at least one of information about a name of the new network-related analytic information, description information about the new network-related analytic information, algorithm information for calculating the new network-related analytic information, and an event filter definition for efficient selection of the new network-related analytic information.

4. The method of claim 1 ,

wherein the analytic information addition request is received directly from a network function (NF), or from an application function (AF) through a network exposure function (NEF).

5. A method of adding a type of network-related analytic information provided by a network data analytics function (NWDAF) to the NWDAF, the method comprising:

transmitting, to the NWDAF, an analytic information addition request requesting an addition of new network-related analytic information to a list of available network-related analytic information in the NWDAF; and

receiving, from the NWDAF, a response message including information about whether the new network-related analytic information has been added to the list of available network-related analytic information, in response to the analytic information addition request,

wherein the network-related analytic information is obtained by analyzing information collected from at least one entity in a network, and

wherein the analytic information addition request includes information about a definition of the new network-related analytic information.

6. The method of claim 5 , further comprising:

requesting the list of analytic information available to the NWDAF;

obtaining the list of analytic information available to the NWDAF, in response to the request; and

transmitting a subscription request of the analytic information,

wherein the new network-related analytic information is not included in the list of analytic information available to the NWDAF, and

wherein the analytic information addition request is included in the subscription request of analytic information.

7. The method of claim 5 ,

wherein the analytic information addition request further comprises at least one of information about a name of the new network-related analytic information, description information about the new network-related analytic information, algorithm information for calculating the new network-related analytic information, and an event filter definition for efficient selection of the new network-related analytic information.

8. The method of claim 5 ,

wherein the analytic information addition request is transmitted to the NWDAF directly or through a network exposure function (NEF).

9. A network data analytics function (NWDAF) comprising:

a transceiver; and

at least one processor coupled with the transceiver and configured to receive, by the NWDAF, an analytic information addition request requesting addition of new network-related analytic information to a list of available network-related analytic information in the NWDAF, and transmit, from the NWDAF, a response message including information about whether the new network-related analytic information has been added to the list of available network-related analytic information in the NWDAF, in response to the analytic information addition request,

wherein the network-related analytic information is obtained by analyzing information collected from at least one entity in a network, and

wherein the analytic information addition request includes information about a definition of the new network-related analytic information.

10. The NWDAF of claim 9 ,

wherein the at least one processor is further configured to request the list of analytic information available to the NWDAF, provide the list of analytic information available to the NWDAF, in response to the request, and receive a subscription request of analytic information,

wherein the new network-related analytic information is not included in the list of analytic information available to the NWDAF, and

wherein the analytic information addition request is included in the subscription request of analytic information.

11. The NWDAF of claim 9 ,

wherein the analytic information addition request further comprises at least one of information about a name of the new network-related analytic information, description information about the new network-related analytic information, algorithm information for calculating the new network-related analytic information, and an event filter definition for efficient selection of the new network-related analytic information.

12. The NWDAF of claim 9 ,

wherein the at least one processor is further configured to receive the analytic information addition request from a network function (NF) directly or from an application function (AF) through a network exposure function (NEF).

13. A network function (NF) comprising:

a transceiver; and

at least one processor coupled with the transceiver and configured to transmit, to a network data analytics function (NWDAF), an analytic information addition request requesting addition of new network-related analytic information to a list of available network-related analytic information in the NWDAF, and receive, from the NWDAF, a response message including information about whether the new network-related analytic information has been added to the list of available network-related analytic information in the NWDAF, in response to the analytic information addition request,

wherein the new network-related analytic information is obtained by analyzing information collected from at least one entity in a network, and

wherein the analytic information addition request includes information about a definition of the new network-related analytic information.

14. The NF of claim 13 ,

wherein the at least one processor is further configured to request the list of analytic information available to the NWDAF, obtain the list of analytic information available to the NWDAF in response to the request, and transmit a subscription request of analytic information,

wherein the new network-related analytic information is not included in the list of analytic information available to the NWDAF, and

wherein the analytic information addition request is included in the subscription request of analytic information.

15. The NF of claim 13 ,

wherein the analytic information addition request further comprises at least one of information about a name of the new network-related analytic information, description information about the new network-related analytic information, algorithm information for calculating the new network-related analytic information, and an event filter definition for efficient selection of the new network-related analytic information.

16. The NF of claim 13 ,

wherein the at least one processor is further configured to transmit the analytic information addition request to the NWDAF directly or through a network exposure function (NEF).

17. A method of providing network-related analytic information available to a network data analytics function (NWDAF), the method comprising:

receiving a provision request of a list of available network-related analytic information; and

providing the list of available network-related analytic information in response to the request,

wherein the available network-related analytic information is obtained by analyzing information collected from at least one network function (NF) and at least one application function (AF) in a network, and

wherein the provision request from a network function (NF) is directly received, and the provision request from an application function (AF) is received through a network exposure function (NEF).

18. The method of claim 17 ,

wherein the provision request comprises at least one of information about a type of NF requesting the list, identification information of the NF requesting the list, and category information of the available network-related analytic information.

19. The method of claim 18 ,

wherein providing the list comprises providing a list of network-related analytic information related to the NF, based on the identification information of the NF.