hash stringlengths 32 32 | doc_id stringlengths 5 12 | section stringlengths 5 1.47k | content stringlengths 0 6.67M |
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30701f0da928d70591b1088aae4273d2 | 23.288 | 6.2.5.1 General
| In certain situations, an NWDAF Service Consumer expects to receive analytics by a given time. In particular, when an NWDAF Service Consumer is collecting analytics from multiple NWDAFs it can be necessary to coordinate the timing of the analytics subscriptions/requests from the same NWDAF service consumer.
The NWDAF ... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.2.5.2 Procedure for time coordination across multiple NWDAFs
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Figure 6.2.5.2-1: Procedure for time coordination across multiple NWDAFs
1a-1b. On analytics request/subscription, the NWDAF Service Consumer indicates the "expected waiting time" as "time when analytics is needed" parameter to those NWDAFs from which it expects to receive the analytics latest by the "time when anal... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.2.6 Enhanced Procedures for Data Collection
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30701f0da928d70591b1088aae4273d2 | 23.288 | 6.2.6.0 General
| Data collection may be performed via DCCF, MFAF and ADRF, when such NFs are deployed, or via NWDAF (hosting DCCF and/or ADRF). The NF services used for DCCF, MFAF, ADRF and the NWDAF (hosting DCCF and/or ADRF) are listed in Table 6.2.6.0-1.
Table 6.2.6.0-1: NF Services for the enhanced data collection procedures
Serv... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.2.6.1 Bulked Data Collection
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30701f0da928d70591b1088aae4273d2 | 23.288 | 6.2.6.1.0 General
| NWDAFs may provide bulked data to consumers as an alternative to providing individual events (i.e. subscription to multiple event IDs to obtain the data required for an analytics generation).
The bulked data is the set of data samples from the collected event notifications to be used for an Analytics ID for a consumer... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.2.6.1.1 Services for Bulked Data Collection
| NWDAF may expose the Nnwdaf_DataManagement_Subscribe service operation with a request for bulked data including the following input parameters:
- Data Specification:
- Event ID(s) or Analytics ID(s);
- In the case of Event IDs, the Data Specification fields includes the fields Target of Event Reporting and Event Fil... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.2.6.2 Procedure for Data Collection from NWDAF
| The procedure in Figure 6.2.6.2-1 is used by NWDAF service consumer to invoke the data management services at NWDAFs in order to retrieve runtime and historical data.
Figure 6.2.6.2-1: Data Collection from NWDAF via Data Management Service
1. NWDAF service consumer (e.g. NWDAF, DCCF) identifies that further data fr... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.2.6.3 Data Collection using DCCF
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30701f0da928d70591b1088aae4273d2 | 23.288 | 6.2.6.3.1 General
| This clause specifies procedures for data collection using the DCCF described in clause 5A for cases other than obtaining analytics from an NWDAF (which is specified in clause 6.1.2). Two options are supported: data delivered via the DCCF, according to clauses 6.2.6.3.2 and 6.2.6.3.3 and data delivered via a messaging ... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.2.6.3.2 Data Collection via DCCF
| The procedure depicted in Figure 6.2.6.3.2-1 is used by a data consumer (e.g. NWDAF) to obtain data and be notified of events via the DCCF using Ndccf_DataManagement_Subscribe service operation. Whether the data consumer directly contacts the Data Source or goes via the DCCF is based on configuration of the data consum... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.2.6.3.3 Historical Data Collection via DCCF
| The procedure depicted in figure 6.2.6.3.3-1 is used by data consumers (e.g. NWDAF) to obtain historical data, i.e. data related to past time period. The data consumer requests data using Ndccf_DataManagement_Subscribe service operation. Whether the data consumer uses this procedure or directly contacts the ADRF or NWD... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.2.6.3.4 Data Collection via Messaging Framework
| This procedure depicted in Figure 6.2.6.3.4-1 is used by a data consumer (e.g. NWDAF) to obtain data and be notified of events using the DCCF and a Messaging Framework. The 3GPP DCCF Adaptor (3da) Data Management service and 3GPP Consumer Adaptor (3ca) Data Management service of the Messaging Framework Adaptor Function... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.2.6.3.5 Historical Data Collection via Messaging Framework
| The procedure depicted in figure 6.2.6.3.5-1 is used by data consumers (e.g. NWDAF) to obtain historical data, i.e. data related to past time period. The data consumer obtains data using Ndccf_DataManagement_Subscribe service operation as specified in clause 8.2.2, where the subscription results in one or more notifica... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.2.6.3.6 Data collection profile registration
| In some cases data consumers (e.g. NWDAF or ADRF) collect data from data source NF directly, e.g. when NWDAF is co-located with 5GC NF.
To enable data consumers can get the data which has been collected by NWDAF or ADRF directly (i.e. not via DCCF), the NWDAF or ADRF may register/update the data collection profile to ... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.2.6.3.7 DCCF (re-)selection initiated by consumer
| The procedure depicted in Figure 6.2.6.3.7-1 is used by a data consumer (e.g. NWDAF or central DCCF) to obtain data related to UE(s), to be notified by the DCCF when the DCCF can no longer serve the UE(s) and to then reselect the DCCF.
Figure 6.2.6.3.7-1: Procedure for DCCF relocation initiated by consumer
0. The d... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.2.6.3.8 DCCF and MFAF relocation initiated by DCCF
| The procedure depicted in Figure 6.2.6.3.8-1 is used to support DCCF and MFAF reselection when the source DCCF or MFAF can no longer serve the UE.
Figure 6.2.6.3.8-1: Procedure for DCCF relocation initiated by DCCF
0. The data consumer subscribes to source DCCF. The data consumer may indicate in the subscription re... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.2.7 Data Collection with Event Muting Mechanism
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30701f0da928d70591b1088aae4273d2 | 23.288 | 6.2.7.1 General
| Additional mechanisms to limit signalling between Event Producer NF (e.g. AMF, SMF) and Event Consumer NF (NWDAF, DCCF) are provided, with the Event Provider NFs enhanced with the optional capability of muting the notification of the events while storing for a limited time and limited size the events until the Event Co... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.2.7.2 Procedure for Data Collection with Event Muting Mechanism
| The mute storage of events mechanism in the DCCF, the NWDAF, or NFs (if configured to support event muting mechanism) reuses the Event Reporting Information field of Event Exposure Framework to include the following flags:
- Deactivate notification flag: The event consumer NF includes in the subscription to an event I... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.2.8 Data Collection from the UE Application
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30701f0da928d70591b1088aae4273d2 | 23.288 | 6.2.8.1 General
| The NWDAF may interact with an AF to collect data from UE Application(s) as an input for analytics generation and ML Model training. The AF can be in the MNO domain or an AF external to MNO domain. The data collection request from NWDAF may trigger the AF to collect data from the UE Application. The AF in this clause i... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.2.8.2 Procedure for data collection from the UE Application
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30701f0da928d70591b1088aae4273d2 | 23.288 | 6.2.8.2.1 Connection establishment between UE Application and AF
| The UE Application receives the data collection configuration from ASP. The configuration information is as described in clause 6.2.8.1.
The UE Application establishes a user plane connection to the AF. Data collection procedure from the UE Application is performed via the user plane connection.
NOTE 1: Whether multi... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.2.8.2.2 AF registration and discovery
| The AF registers its available NF profile to the NRF. The AF in trusted domain registers to the NRF by using the Nnrf_NFManagement service that is defined in clause 5.2.7.2 of TS 23.502 [3]. The AF in untrusted domain registers the available NF profile to the NRF via the NEF as described in clause 6.2.2.3.
The AF disc... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.2.8.2.3 Data Collection Procedure from UE
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Figure 6.2.8.2.3-1: Data Collection Procedure from UE
1. An NF subscribes to analytics from the NWDAF as described in clause 6.1.1.1, that includes Analytics ID, Analytics Filter Information including e.g. AoI, Internal Application ID(s) and Target of Analytics Reporting. NWDAF may also initiate the data collection ... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.2.8.2.4 Correlation between UE data collection and the NWDAF data request
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30701f0da928d70591b1088aae4273d2 | 23.288 | 6.2.8.2.4.1 General
| The UE IP address is used to identify the user plane connection established between the UE application and the AF for data collection, while the AF receives the Naf_EventExposure_Subscribe to request for the specific UE data collection by using SUPI (for AF in trusted domain) or external UE ID (i.e. GPSI) (for AF in un... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.2.8.2.4.2 AF in trusted domain correlates UE data collection and NWDAF request
| This is only valid if there is no NAT between the UE and the AF.
If the AF receives the Naf_EventExposure_Subscribe/Request including Target for Event Reporting set to SUPI and not including the UE's IP address and the AF does not locally store the UE's IP address, the AF finds the PDU session(s) serving the SUPI, DNN... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.2.8.2.4.3 AF in untrusted domain correlates UE data collection and NWDAF request
| This is only valid if there is no NAT between the UE and the AF.
If the AF receives the Naf_EventExposure_Subscribe from NWDAF, via NEF, including Target for Event Reporting set to GPSI and not including the UE's IP address and the AF does not locally store the UE's IP address, the AF request the NEF to provide the al... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.2.8.2.4.4 NWDAF correlates UE data collection and NWDAF request for trusted AF and untrusted AF
| This is only valid if there is no NAT between the UE and the AF.
NWDAF receives the analytics subscription from consumer and discover an AF as described in clause 6.2.8.2.3. NWDAF finds the PDU session(s) serving the SUPI, DNN, S-NSSAI from UDM and the allocated IPv4 address or IPv6 prefix from SMF as described in Fig... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.2.8.2.4.5 AF correlates UE data collection and NWDAF request when there is NAT between UE and AF
| This is only valid if there is NAT between the UE and the AF, and the AF has retrieved the UE (private) IP address assigned by 5GC for the PDU session, either from the SMF, or it was provided from the NWDAF in order to request data collection from the UE Application.
Figure 6.2.8.2.4.5-1: AF correlates UE data colle... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.2.9 User consent for analytics
| Depending on local policy or regulations, to protect the privacy of user data, the data collection, ML Model training and analytics generation for a SUPI or GPSI, Internal or External_Group_Id or "any UE" may be subject to user consent bound to a purpose, such as analytics or ML Model training. The user consent is subs... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.2.10 Data collection by H-RE-NWDAF from V-RE-NWDAF for outbound roaming users
| This procedure may be used by the RE-NWDAF in the HPLMN as service consumer to subscribe/unsubscribe to notifications about input data from the VPLMN for outbound roaming users (from the HPLMN perspective). The H-RE-NWDAF and V-RE-NWDAF in the procedure are NWDAFs with roaming exchange capability.
Figure 6.2.10-1: d... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.2.11 Data collection by V-RE-NWDAF from H-RE-NWDAF for inbound roaming users
| This procedure may be used by an RE-NWDAF in the VPLMN to subscribe/unsubscribe to notifications about input data from the HPLMN for inbound roaming users (from the VPLMN perspective). H-RE-NWDAF and V-RE-NWDAF in the procedure are NWDAFs with roaming exchange capability.
Figure 6.2.11-1: Data Collection by V-RE-NWD... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.2.12 Data Collection using LCS
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30701f0da928d70591b1088aae4273d2 | 23.288 | 6.2.12.1 General
| The NWDAF may collect location information for a target UE or a group of target UEs using LCS. The collected location related information can include:
‐ Location estimate of the UE in geographical coordinates and/or local coordinates expressed as a shape as defined in TS 23.032 [34] or local coordinate reference syste... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.2.12.2 Procedure for data collection using LCS
| The interactions between NWDAF and LCS for data collection are illustrated in Figure 6.2.12.2-1. The data collected depends on the use cases. This figure is an abstraction of how NWDAF collects location information using LCS. The actual procedures that NWDAF may use are as follows:
- For a target UE, both 5GC-MT-LR pr... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.2.13 Rating untrusted AF data sources
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30701f0da928d70591b1088aae4273d2 | 23.288 | 6.2.13.1 General
| When using an untrusted AF as data source, NWDAF may consider the data source rating results. The rating of untrusted AF is based on the quality of data collected.
Such rating may be triggered when the accuracy check based on the calculation between the predicted and ground-truth data indicates low performance, while ... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.2.13.2 Procedure for rating untrusted AF data sources
| The process of rating untrusted AF data sources is depicted in Figure 6.2.13.2. For realizing potential issues, the NWDAF containing AnLF subscribes to the NWDAF containing MTLF, which performs an accuracy calculation based on the predicted and ground-truth data or alternatively the NWDAF containing AnLF can calculate ... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.2.14 Analytics Collection from MDAF
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30701f0da928d70591b1088aae4273d2 | 23.288 | 6.2.14.1 General
| The MDA functional overview and service framework as defined in Figure 5.1-1 of TS 28.104 [45] is used by NWDAF to trigger the MDA MnS to request analytics from the MDA Management Function (MDAF).
Before NWDAF requests analytics from the MDA Management Function, the NWDAF discovers the MDA Management Function via the ... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.2.14.2 Procedure for analytics collection from MDAF
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Figure 6.2.14.2-1: Procedure for analytics collection from MDAF
Precondition: Initially MDAF(s) or MDA MnS producers register their capabilities, i.e. MnS information or MnS profile as described in clause 5 of TS 28.537 [46] to a MnS discovery service producer. The MnS discovery service producer may contain all or p... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 9 The NWDAF or DCCF determine that the lifetime of the stored data or analytics has expired (according to the Storage Approach).
| 10. The NWDAF or DCCF optionally retrieve the data or analytics from the ADRF as described in clause 5B.1.
11. The NWDAF or DCCF request that the data or analytics be deleted from the ADRF.
12. The ADRF deletes the data or analytics if:
- the Storage Approach in the ADRF indicates alerting the consumer is not requir... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 2c An NWDAF VFL client may send Nnwdaf_VFLInference_Subscribe or Nnwdaf_VFLInference_Request to the other one or more indirect NWDAF VFL client as configured from which it desires to receive the client intermediate inference results.
| NOTE: To support the intermediate results sharing between VFL clients in step 2c, the VFL clients might be selected based on the VFL Interoperability Indicator and/or the parameters in VFL Interoperability Information (e.g. gradient dimension of local model, split point of the preconfigured initial model, etc.).
3. Sa... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.3 Slice load level related network data analytics
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30701f0da928d70591b1088aae4273d2 | 23.288 | 6.3.1 General
| The NWDAF provides slice load level information to a consumer NF on a Network Slice level or a Network Slice instance level or both. The NWDAF is not required to be aware of the current subscribers using the slice. The NWDAF notifies slice specific network status analytics information to the consumer NF that is subscri... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.3.2 Void
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6.3.2A Input data
The detailed information collected by the NWDAF is listed in Table 6.3.2A-1 and Table 6.3.2A-2.
Table 6.3.2A-1: OAM Input data for slice load analytics
Information
Source
Description
UE registered in a Network Slice/Network Slice instance
OAM
Mean number of UEs registered in a NW slice or NW... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.3.3 Void
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6.3.3A Output analytics
The NWDAF services as defined in the clause 7.2 and 7.3 are used to expose the following analytics:
- Network Slice instance load statistics information as defined in Table 6.3.3A-1.
- Network Slice load statistics information as defined in Table 6.3.3A-2.
- Network Slice instance load pre... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.3.4 Procedures
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Figure 6.3.4-1: Network Slice load analytics provided by NWDAF
Figure 6.3.4-1 shows the procedure for NWDAF to derive slice load analytics. The steps are described as follows:
1. A consumer NF subscribes to/requests a NWDAF using Nnwdaf_AnalyticsSubscription_Subscribe or Nnwdaf_AnalyticsInfo_Request service operati... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.4 Observed Service Experience related network data analytics
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30701f0da928d70591b1088aae4273d2 | 23.288 | 6.4.1 General
| This clause specifies how NWDAF can provide Observed Service Experience (i.e. average of observed Service MoS and/or variance of observed Service MoS indicating service MOS distribution for services such as audio-visual streaming as well as services that are not audio-visual streaming such as V2X and Web Browsing servi... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.4.2 Input Data
| The service data and performance data collected from the AF (including the service data collected from the UE through the AF), the network data from other 5GC NFs and the network data from OAM and MDAS/MDAF for observed service experience are defined in Table 6.4.2-1, 6.4.2-1a, Table 6.4.2-2, Table 6.4.2-3, Table 6.4.2... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.4.3 Output Analytics
| The NWDAF services as defined in the clause 7.2 and 7.3 are used to expose the analytics.
- Service Experience statistics information is defined in Table 6.4.3-1.
- Service Experience predictions information is defined in Table 6.4.3-2.
Table 6.4.3-1: Service Experience statistics
Information
Description
Slice in... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.4.4 Procedures to request Service Experience for an Application
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Figure 6.4.4-1: Procedure for NWDAF providing Service Experience for an Application
This procedure allows the consumer to request Analytics ID "Service Experience" for a particular Application. The consumer includes both the Application ID for which the Service Experience is requested and indicates that the Target o... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.4.5 Procedures to request Service Experience for a Network Slice
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Figure 6.4.5-1: Procedure for NWDAF providing Service Experience for a UE or a group of UEs in a Network Slice
This procedure is similar to the procedure in clause 6.4.4, with the following differences. The consumer needs to request the Analytics ID "Service Experience" for a Target for Analytics Reporting as define... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.4.6 Procedures to request Service Experience for a UE
| Figure 6.4.6-1 depicts procedure for NWDAF providing Service Experience for an application for a UE or a group of UEs.
Figure 6.4.6-1: Procedure for NWDAF providing Service Experience for an application for a UE or a group of UEs
The procedure in clause 6.4.4 applies with the following additions. The consumer needs... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.5 NF load analytics
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30701f0da928d70591b1088aae4273d2 | 23.288 | 6.5.1 General
| The clause 6.5 describes how NWDAF can provide NF load analytics, in the form of statistics or predictions or both, to another NF.
The service consumer may be an NF, or the OAM.
The consumer of these analytics shall indicate in the request:
- Analytics ID = "NF load information";
- Target of Analytics Reporting: an... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.5.2 Input data
| For the purpose of NF load analytics, the NWDAF may collect the information as listed in Table 6.5.2-1 for the relevant NF instance(s).
Table 6.5.2-1: Data collected by NWDAF for NF load analytics
Information
Source
Description
NF load
NRF
The load of specific NF instance(s) in their NF profile as defined per TS... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.5.3 Output analytics
| The NWDAF services as defined in the clause 7.2 and 7.3 are used to expose the analytics. NF load statistics information are defined in Table 6.5.3-1. NF load predictions information are defined in Table 6.5.3-2.
Table 6.5.3-1: NF load statistics
Information
Description
List of resource status (1..max)
List of obs... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.5.4 Procedures
| The procedure depicted in Figure 6.5.4-1 allows a consumer NF to request analytics to NWDAF for NF load of various NF instances as defined in 6.5.1.
Figure 6.5.4-1: NF load analytics provided by NWDAF
1. The NF sends a request to the NWDAF for analytics for NF load for a specific NF, using either the Nnwdaf_Analyti... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.6 Network Performance Analytics
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30701f0da928d70591b1088aae4273d2 | 23.288 | 6.6.1 General
| With Network Performance Analytics, NWDAF provides either statistics or predictions on the gNB status information, gNB resource usage, communication performance and mobility performance in an Area of Interest. In addition, NWDAF can provide statistics or predictions on the number of UEs located in that Area of Interest... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.6.2 Input Data
| The NWDAF collects Load and Performance information in an Area of Interest from the sources listed in Table 6.6.2-1 and number of UEs within Area of Interest from the sources listed in Table 6.6.2-2.
Table 6.6.2-1: Load and Performance information collected by NWDAF
Load information
Source
Description
Status, load... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.6.3 Output Analytics
| The NWDAF shall be able to provide both statistics and predictions on Network Performance.
Network performance statistics are defined in Table 6.6.3-1.
Table 6.6.3-1: Network performance statistics
Information
Description
List of network performance information (1..max)
Observed statistics during the Analytics ta... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.6.4 Procedures
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Figure 6.6.4-1: Procedure for subscription to network performance analytics
1. The NF sends Nnwdaf_AnalyticsSubscription_Subscribe or Nnwdaf_AnalyticsInfo_Request (Analytics ID="Network Performance", Target of Analytics Reporting, Analytics Filter Information = "Area of Interest", Analytics Reporting Information = (... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.7 UE related analytics
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30701f0da928d70591b1088aae4273d2 | 23.288 | 6.7.1 General
| This clause specifies the UE related analytics which can be provided by NWDAF:
- UE mobility analytics;
- UE communication analytics;
- Expected UE behavioural parameters related network data analytics; and
- Abnormal behaviour related network data analytics.
The NWDAF service consumer may request for these analyt... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.7.2 UE mobility analytics
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30701f0da928d70591b1088aae4273d2 | 23.288 | 6.7.2.1 General
| NWDAF supporting UE mobility statistics or predictions shall be able to collect UE mobility related information from NF, OAM and to perform data analytics to provide UE mobility statistics or predictions.
The service consumer may be a NF (e.g. AMF, SMF or AF).
The consumer of these analytics may indicate in the reque... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.7.2.2 Input Data
| The NWDAF supporting data analytics on UE mobility shall be able to collect UE mobility information from OAM, 5GC and AFs. The detailed information collected by the NWDAF could be MDT data from OAM, network data from 5GC and/or service data from AFs:
- UE mobility information from OAM is UE location carried in MDT dat... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.7.2.3 Output Analytics
| The NWDAF supporting data analytics on UE mobility shall be able to provide UE mobility analytics to consumer NFs or AFs. The analytics results provided by the NWDAF could be UE mobility statistics as defined in table 6.7.2.3-1, UE mobility predictions as defined in Table 6.7.2.3-2:
Table 6.7.2.3-1: UE mobility statis... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.7.2.4 Procedures
| The NWDAF can provide UE mobility related analytics, in the form of statistics or predictions or both, directly to another NF. If the NF is an AF and when the AF is untrusted, the AF will request analytics via the NEF and the NEF will then convey the request to NWDAF.
NOTE: In the case of untrusted AF the Target of An... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.7.3 UE Communication Analytics
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30701f0da928d70591b1088aae4273d2 | 23.288 | 6.7.3.1 General
| In order to support some optimized operations, e.g. customized mobility management, traffic routing handling, RFSP Index Management, QoS improvement or Inactivity Timer optimization, in 5GS, an NWDAF may perform data analytics on UE communication pattern and user plane traffic and provide the analytics results (i.e. UE... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.7.3.2 Input Data
| The NWDAF supporting data analytics on UE communication shall be able to collect communication information for the UE from 5GC. The detailed information collected by the NWDAF includes service data related to UE communication as defined in the Table 6.7.3.2-1.
Table 6.7.3.2-1: Service Data from 5GC related to UE commu... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.7.3.3 Output Analytics
| The NWDAF supporting UE Communication Analytics provides the analytics results to consumer NFs. The analytics results provided by the NWDAF include the UE communication statistics as defined in Table 6.7.3.3-1 or predictions as defined in Table 6.7.3.3-2.
Table 6.7.3.3-1: UE Communication Statistics
Information
Desc... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.7.3.4 Procedures
| The NWDAF can provide UE communication related analytics, in the form of statistics or predictions or both, to a 5GC NF.
Figure 6.7.3.4-1: Procedure for UE communication analytics
1. 5GC NF to NWDAF: Nnwdaf_AnalyticsSubscription_Subscribe (Analytics ID = UE communication, Target of Analytics Reporting=SUPI, Analyti... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.7.4 Expected UE behavioural parameters related network data analytics
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30701f0da928d70591b1088aae4273d2 | 23.288 | 6.7.4.1 General
| The clause 6.7.4 defines how a service consumer learns from the NWDAF the expected UE behaviour parameters as defined in clause 4.15.6.3 of TS 23.502 [3] for a group of UEs or a specific UE.
The service consumer may be an NF (e.g. AMF, AF), or the OAM.
The consumer of these analytics shall indicate in the request:
-... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.7.4.2 Input Data
| In order to produce "UE Mobility" analytics, the NWDAF collects UE mobility information, UE location trends and/or UE access behaviour trends, as defined in clause 6.7.2.2.
In order to produce "UE Communication" analytics, the NWDAF collects UE communication information, UE communication trends, UE session behaviour t... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.7.4.3 Output Analytics
| The analytics results for "UE Mobility" are specified in Table 6.7.2.3-1 and Table 6.7.2.3-2.
The analytics results for "UE Communication" are specified in Table 6.7.3.3-1 and Table 6.7.3.3-2.
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30701f0da928d70591b1088aae4273d2 | 23.288 | 6.7.4.4 Procedures
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30701f0da928d70591b1088aae4273d2 | 23.288 | 6.7.4.4.1 NWDAF-assisted expected UE behavioural analytics
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Figure 6.7.4.4.1-1: NWDAF assisted expected UE behavioural analytics procedure
1. 5GC NF (e.g. AMF, SMF and AF) to NWDAF: Nnwdaf_AnalyticsInfo_Request (Analytics ID, Target of Analytics Reporting, Analytics Filter Information) or Nnwdaf_AnalyticsSubscription_Subscribe (Analytics ID, Target of Analytics Reporting, An... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.7.5 Abnormal behaviour related network data analytics
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30701f0da928d70591b1088aae4273d2 | 23.288 | 6.7.5.1 General
| This clause defines how to identify a group of UEs or a specific UE with abnormal behaviour, e.g. being misused or hijacked, with the help of NWDAF.
NOTE 1: The misused or hijacked UEs are UEs in which there are malicious applications running or UEs which have been stolen.
The consumer of this analytics could be a 5G... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.7.5.2 Input Data
| The Exceptions information from AF is as specified in Table 6.7.5.2-1.
On request of the service consumer, the NWDAF shall collect and analyse UE behavioural information from the 5GC NFs (SMF, AMF, AF), or OAM as specified in clauses 6.7.2.2 and 6.7.3.2 and/or expected UE behavioural parameters from UDM as defined in ... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.7.5.3 Output Analytics
| Corresponding to the "abnormal behaviour" Analytics ID, the analytics result provided by the NWDAF is defined in Table 6.7.5.3-1 and Table 6.7.5.3-2. When the level of an exception trespasses above or below the threshold, the NWDAF shall notify the consumer with the exception ID associated with the exception if the exc... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.7.5.4 Procedure
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Figure 6.7.5.4-1: Procedure for NWDAF assisted misused or hijacked UEs identification
1a. A consumer NF subscribes to/requests NWDAF using Nnwdaf_AnalyticsSubscription_Subscribe/ Nnwdaf_AnalyticsInfo_Request (Analytics ID = Abnormal behaviour, Target of Analytics Reporting as defined in clause 6.1.3, Analytics Filte... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.8 User Data Congestion Analytics
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30701f0da928d70591b1088aae4273d2 | 23.288 | 6.8.1 General
| The NWDAF can provide user data congestion related analytics, by one-time reporting or continuous reporting, in the form of statistics or predictions or both, to another NF. User Data Congestion related analytics can relate to congestion experienced while transferring user data over the control plane or user plane or b... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.8.2 Input data
| The detailed information collected by the NWDAF is defined in Table 6.8.2-1.
NOTE 1: Performance Measurements defined in TS 28.552 [8] represent resource utilisation but do not, by themselves, indicate the event of congestion or congestion levels. The NWDAF collects measurements from the OAM and how the NWDAF derives ... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.8.3 Output analytics
| The NWDAF outputs the user data congestion analytics for transfer over the user plane, for transfer over the control plane, or for both. The output may consist of statistics, predictions, or both. The detailed information provided by the NWDAF is defined in Table 6.8.3-1 for statistics and in Table 6.8.3-2 for predicti... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.8.4 Procedures
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30701f0da928d70591b1088aae4273d2 | 23.288 | 6.8.4.1 Procedure for one-time or continuous reporting of analytics for user data congestion in a geographic area
| The procedure as depicted in Figure 6.8.4.1-1 is used by an NF to retrieve congestion analytics for a specific geographic area. The procedure can be used to request a one-time or continuous reporting of congestion analytics.
Figure 6.8.4.1-1: Procedure for one-time or continuous reporting of analytics for congestion... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.8.4.2 Procedure for one-time or continuous reporting of analytics for user data congestion for a specific UE
| The procedure as depicted in Figure 6.8.4.2-1 is used by an NF to retrieve user data congestion analytics for a specific UE. The procedure can be used to request a one-time or continuous reporting of user data congestion analytics.
Figure 6.8.4.2-1: Procedure for one-time or continuous reporting of analytics for con... |
30701f0da928d70591b1088aae4273d2 | 23.288 | 6.9 QoS Sustainability Analytics
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30701f0da928d70591b1088aae4273d2 | 23.288 | 6.9.1 General
| The consumer of QoS Sustainability analytics may request the NWDAF analytics information regarding the QoS change statistics for an Analytics target period in the past in a certain area or the likelihood of a QoS change for an Analytics target period in the future in a certain area. The consumer can request either to s... |
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