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9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.25.3.1 Procedure for Negotiation for future BDT with Energy related analytics | Figure 6.25.3-1: Procedure for Negotiation for future BDT with Energy related analytics
The procedure described in this clause is based on the negotiation for future BDT as defined in clause 4.16.7.2 of TS 23.502 [3].
In step 1, the AF invokes the Nnef_BDTPNegotiation_Create Request. The request may contain Area of int... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.25.3.2 Procedure for BDT warning notification with Energy related analytics | Figure 6.25.3-2: Procedure for BDT warning notification
The procedure described in this clause is based on the BDT warning notification as defined in clause 4.16.7.3 of TS 23.502 [3].
The negotiation for BDT described in clause 6.25.3.1 is completed. In addition, the H-PCF has subscribed to Energy related analytics fro... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.25.4 Impacts on existing services, entities and interfaces | NWDAF/EECF:
- Support for the Energy related analytics.
NEF:
- Nnef_BDTPNegotiation service is extended to support the Energy related KPIs, the Energy optimization activation flag, the target energy credit and the target energy efficiency.
H-PCF:
- Request/Subscribe to the Energy related analytics and determines BDT po... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.26 Solution #26: Energy Aware Data Transfer Policy Negotiation | |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.26.1 Key Issue mapping | The proposed solution maps to the following aspect of KI#2:
‐ Whether and how to enhance the existing subscription and policy control framework to support energy related information as service criteria.
- Whether and what new energy related policies are to be defined, and how to perform energy related policy control, e... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.26.2 Functional Description | Currently, PCF provides two services "Npcf_BDTPolicyControl" and "Npcf_PDTQPolicyControl" that allow AF to negotiate with 5GC for "Background Data Transfer" (BDT) and "Planned Data Transfer with QoS requirements" (PDTQ), respectively. However, these policies do not consider the energy-related aspects. To support energy... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.26.3 Procedures | The procedure depicted in Figure 6.26.3-1 allows AF to negotiate an energy aware time window with specified QoS level to transmit data.
Figure 6.26.3-1: Negotiation for energy aware data transfer
Prior to the transfer of the data, the AF negotiates with the 5G Core for the EADT policies. At first, AF discovers its serv... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.26.4 Impacts on existing services, entities and interfaces | The solution has the following impacts:
EECF:
- New network functionalities to provide the estimation/prediction of energy-related information (such as energy consumption and carbon emission) of QoS flow.
- New network functionalities to gather energy and performance related information from NWDAF and/or OAM based on t... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.27 Solution #27: AF Session with Energy Savings Criteria | |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.27.1 Key Issue mapping | The solution applies to Key Issue #2 "Subscription and policy control to support energy efficiency and energy saving as service criteria". |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.27.2 Functional Description | The procedure for setting up an AF session with required QoS (clause 4.15.6.6 of TS 23.502 [3]) allows an AF to request to reserve resources for a session by invoking Nnef_AFSessionWithQoS_Create, including the QoS requirements. The PCF derives the PCC rules based on the QoS parameters received from the NEF in a Npcf_P... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.27.3 Procedures | Figure 6.27.3-1 below shows an AF session with required QoS (clause 4.15.6.6 of TS 23.502 [3]) with enhancements to support energy savings criteria for the session. The changes that are proposed by this solution are described below.
Figure 6.27.3-1: Setting up an AF session with required Energy savings procedure
1. The... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.27.4 Impacts on existing services, entities and interfaces | AF:
- Sends: energy savings profile (energy savings level, list of features subject to potential energy savings control/adjustments).
- Receives: energy savings level, the energy credit, required energy efficiency, list of associated adjusted features.
NEF:
- Receives from AF and sends to PCF: energy savings profile.
-... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.28 Solution #28: Energy related QoS profile and Alternative QoS profile provisioning | |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.28.1 Key issue mapping | In this solution, it addresses the following issue:
- Key Issue #2: Subscription and policy control to support energy efficiency and energy saving as service criteria. |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.28.2 Functional Description | |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.28.2.1 General | To reduce the carbon emission, the MNO may deploy the NG-RAN(s) powered by (partial or fully) renewable energy. Furthermore, the MNO may modify the network configuration to make more UE(s) to access those NG-RAN(s) using renewable energy or some service providers may require the communication service provided by MNO to... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.28.2.2 Energy related QoS profile | In addition to the legacy QoS Profile (QP), additionally an energy related QoS Profile is also provided to the NG-RAN based on the energy usage condition of the NG-RAN from OAM. The energy related QP is used for the NG-RAN(s) when it is using the renewable energy (or when renewable energy ratio > X%), and when NG-RAN(s... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.28.2.3 Energy related Alternative QoS profile | The concept of the energy related Alternative QoS profile is similar, it is provided to NG-RAN(s) using the renewable energy at specific time periods and/or location(s). Same concept applied:
- Certain QoS parameter(s) in the energy related AQP is inferior to the one in legacy AQP and is set based on the operator's pol... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.28.3 Procedures | For QP:
- Whenever the QoS profile (QP) is provided/updated by the SMF to the AN via the AMF over the N2 reference point, additionally the energy related QoS profile is also provided. QP can be include more QoS value which can be used when the NG-RAN switches to use the renewable energy.
For AQP:
- Whenever the SMF pro... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.28.4 Impacts on existing services, entities and interfaces | OAM:
- Needs to provide the energy usage condition of NG-RANs to 5GC NFs and also provides the energy usage condition of the neighbouring NG-RANs for a specific NG-RAN.
NG-RAN:
- Needs to support the energy related QP and optionally the energy related AQP QoS profiles.
- Needs to know its current energy source (e.g. re... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.29 Solution #29: NF selection based on energy related information | |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.29.1 Key Issue mapping | This solution is for Key Issue #3: 5GS enhancements for network energy saving and efficiency, which addresses following aspects:
‐ Whether and how to enhance the NF selection/re-selection related functionalities considering energy saving and energy efficiency based on e.g. NF energy states, analytics, and energy relate... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.29.2 Functional Description | This solution proposes to enhance the NF selection related functionalities for energy aware NF selection.
The following solution components are envisaged:
- Service provider NF registers new energy related information in its NF profile at the NRF and updating such information at the NRF when needed. Or alternatively, s... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.29.3 Procedures | |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.29.3.1 General | Editor's note: This clause describes high-level procedures and information flows for the solution.
The NRF service procedure as defined in clause 4.17 of TS 23.502 [3] are reused for energy related NF management and discovery.
The registered NF profile includes additional NF energy related information as described in c... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.29.3.2 Network Function registration procedure | Based on the NF Service Registration procedure in clause 4.17.1 of TS 23.502 [3], the Figure 6.29.3.2-1 describes the enhanced procedure of the NF service registration with Energy related information to NRF.
Figure 6.29.3.2-1: Procedure for network function registration to NRF
1. The NF requests to register the NF prof... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.29.3.3 Network Function update procedure | Based on the NF Service Update procedure in clause 4.17.2 of TS 23.502 [3], the Figure 6.29.3.3-1 describes the enhanced procedure of the NF service update with Energy related information to NRF.
Figure 6.29.3.3-1: Procedure for network function update to NRF
0. The NF detects whether the Energy related information (as... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.29.3.4 Network Function discovery and selection procedure | Based on the NF Service discovery procedure in clause 4.17.4 of TS 23.502 [3], the Figure 6.29.3.4-1 describes the enhanced procedure of the NF service discovery with Energy related information to NRF, and additionally request to NWDAF.
Figure 6.29.3.4-1: Procedure for network function discovery and selection
1. The Co... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.29.3.5 Network Function status subscribe and notify procedure | Based on the NF status subscribe and notify procedure in clause 4.17.7 of TS 23.502 [3], the Figure 6.29.3.5-1 describes the enhanced procedure of the NF status subscribe and notify with Energy related information to NRF.
Figure 6.29.3.5-1: Procedure for network function status subscribe and notify
1. The Consumer NF s... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.29.3.6 Selection of the UPF with considering energy related information | The information to be considered for UPF selection are defined in clause 6.3.3 of TS 23.501 [2]. When SMF selects the UPF, the SMF can also make use of the NF Profiles by considering the potential usage of the UPF for energy related execution. The UPF with potential usage of energy related execution should be depriorit... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.29.3.7 UPF re-selection considering energy information procedure | Based on the procedures described in clause 6.29.3 of this solution, Figure 6.29.3.7-1 describes the enhanced procedure of the UPF re-selection by the SMF.
Figure 6.29.3.7-1: Procedure for network function reselection
0. The PDU Session is established over UPF1.
1. The NRF detects that the energy efficiency or energy c... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.29.3.8 Selection of the AMF considering energy related information | For AMF selection. the influencing factors are defined in clause 6.3.5 of TS 23.501 [2].
On top of this, the additional factors in table 6.29.2-1 (Energy Efficiency and Energy saving parameters e.g. NF energy states, analytics, Energy Cost, etc.), may be taken into account while making AMF selection decision.
NOTE: Whe... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.29.3.9 Selection of the SMF considering energy related information | It is assumed that the SMF had previously registered its NF profile including NF Energy Consumption into NRF, before SMF selection procedure.
Figure 6.29.3.9-1: SMF selection procedure
NOTE 1: This procedure is based on Figure 4.3.2.2.3.2-1of TS 23.502 [3].
If the S-NSSAI is subject to energy control, AMF discovers SMF... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.29.3.10 NF selection based on time-based energy states/information from NRF | Figure 6.29.3.10-1: Example of NF selection based on pre-defined time-based energy states/information of NFs from NRF
1a,1b. NF service producers include time-based energy related states/information.
2. The NF service consumer discover NF service producers. The NF profile of these NFs including time-based energy relate... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.29.3.11 NF selection based on runtime energy state information received in service interactions between NFs | In addition to energy information obtained from NRF by a NF service consumer, it is proposed it should be possible to exchange the information directly between NFs to have quicker updates at run time (assuming unscheduled changes can occur) as shown in figure 6.29.3.7-1. It is assumed that a NF instance provides its en... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.29.4 Impacts on existing services, entities and interfaces | NRF:
- Enhanced service discovery considering also energy related information and related NF discovery policy.
- (optional) Feedback service consumer with the priority of the discovered NF instance.
- (optional) Feedback service consumer with energy related information in the NF profile.
- (In the case of SMF selecting... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.30 Solution #30: Network optimization for energy saving per S-NSSAI | |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.30.1 Key Issue mapping | This solution is related to the KI#3: 5GS enhancements for network energy saving and efficiency. |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.30.2 Functional Description | The NWDAF, OAM or a new NF (TBD) Energy Efficiency Control Function (EECF)/Energy Control Network Function (ECNF) provide the control of energy saving in network slice granularity.
NOTE: The name of the new NF (e.g. EECF or ECNF) will be determined in conclusion.
This solution performs energy saving in network slice gr... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.30.3 Procedures | |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.30.3.1 NSAC number of UE or PDU session adjustment based on input from EECF | Figure 6.30.3-1: Procedure for network optimization for energy saving per S-NSSAI
1. [Optional]: AF creates a request for energy saving, including S-NSSAI and energy consumption threshold, and sends the request to NEF.
2. [Optional]: The NEF invokes Neecf_EnergySaving to send the S-NSSAI and energy consumption threshol... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.30.3.2 NSAC based on energy consumption admission threshold | Figure 6.30.3.2-1: NSAC based on energy criterion
1. NSACF subscribes to network slice energy consumption analytics from with the NWDAF/EECF of a S-NSSAI
2. NWDAF/EECF provides analytics to the NSACF for the S-NSSAI of step 1
3. UE attempts to register with the S-NSSAI from step 1, or to establish a PDU session for the... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.30.3.3 Procedure of network slice admission control by EECF based on energy consumption information | The general energy control per S-NSSAI during registration procedure is illustrated in Figure 6.30.3.3.1-1, during PDU Session establishment procedure is illustrated in Figure 6.30.3.3.2-1. |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.30.3.3.1 General energy control per network slice during registration | Figure 6.30.3.3.1-1: Registration procedure considering energy states of network slice
1. UE sends Registration Request message including S-NSSAI as Requested NSSAI.
2. S-NSSAI is subject to energy control. AMF checks energy state of the S-NSSAI.
Editor's note: It is FFS how the AMF knows the S-NSSAI is subject to ener... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.30.3.3.2 General energy control per network slice during PDU Session establishment | Figure 6.30.3.3.2-1: PDU Session establishment procedure considering energy states of network slice
1. UE sends PDU session establishment request including S-NSSAI.
2. If the S-NSSAI is subject to energy control, AMF discovers SMF via NRF.
3. AMF sends NF discovery request to NRF.
4. NRF checks energy states per NF and... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.30.4 Impacts on existing services, entities and interfaces | EECF/ECNF:
- New NF. Functionalities are as description of clause 6.30.2. EECF/ECNF monitors energy states per S-NSSAI in a PLMN. EECF/ECNF can be co-located in an existing NF or can be defined as a new NF.
- Admit based on threshold on consumed energy analytics or measurements in the network slice.
NEF:
- New service ... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.31 Solution #31: Energy usage parameters provision via NEF | |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.31.1 Key Issue mapping | The solution applies to Key Issue #2 Subscription and policy control to support energy efficiency and energy saving as service criteria. |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.31.2 Functional Description | Assumptions:
- It is assumed that a UE may have an Energy Credit profile as a subscription information in the UDR which contains the allowed Energy Credit units for the UE. The Energy Credit units for UEs owned by a 3rd party Service Provider may be reset or top-up periodically by the Service Provider based on SLA with... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.31.3 Procedures | Figure 6.31.3: Energy usage parameters provision via NEF
1. A 3rd party Service Provider may have its mobile terminals managed by the operator of a 3GPP system or may have agreement for one or more S-NSSAI(s) to be used by its customers. The Service Provider (i.e. AF) may decide to provide or to update one or multiple ... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.31.4 Impacts on existing services, entities and interfaces | UDR:
- UE's Energy Credit profile management as part of the UE subscription information.
NEF:
- New parameters addition to the existing NEF service operators. |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.32 Solution #32: Energy Information Analytics for network energy saving support by NWDAF | |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.32.1 Key Issue mapping | This solution addresses key issue#3 described in clause 5.2. |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.32.2 Functional Description | The functional description here focuses on enabling Solution 10 defined in clause 6.10 where the EECF uses the services provided by the NWDAF to obtain the required analytics on energy consumption patterns. The EECF supports Energy Evaluation request from other NFs such as SMF. The Energy evaluation request from SMF in... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.32.2.1 Energy Information Analytics | The Energy Information Analytics and the input data collection parameters as defined in Solution#12 is used in this solution. |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.32.3 Procedures | Figure 6.32.3-1: Procedure for EnergyInformation Analytics provided to an NWDAF consumer
1a. The consumer NF (EECF) sends a request to the NWDAF for EnergyInformation analytics using either the Nnwdaf_AnalyticsInfo or Nnwdaf_AnalyticsSubscription service. The Analytics ID is set to "EnergyInformation", the Target of An... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.32.4 Impacts on existing services, entities and interfaces | Editor's note: This clause captures impacts on existing services, entities and interfaces. |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.33 Solution #33: Enhancement for AF influence on traffic routing with Energy related analytics | |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.33.1 Key Issue mapping | This solution maps to KI#3. |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.33.2 Functional Description | This solution is proposed to address Key Issue #3: 5GS enhancements for network energy saving and efficiency.
Transmitting data of the same application(s) via different paths may cause different energy consumptions in the network, as different traffic routing paths involves different 5GC NFs (e.g. PSA UPF, UL CL/BP UPF... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.33.3 Procedure | A detailed procedure is provided below:
Figure 6.33.3-1: Procedure for U-Plane path relocation with Energy related analytics
The procedure described in this clause is based on the U-Plane path relocation as defined in clause 4.3.6.2, clause 4.3.6.3 and clause 4.3.6.4 of TS 23.502 [3].
1. The AF invokes a Nnef_TrafficIn... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.33.4 Impacts on existing services, entities and interfaces | NWDAF:
- Support for the Energy related analytics.
NEF:
- Nnef_TrafficInfluence service is extended to support the Energy related KPIs.
UDR:
- Nudr_DM_Notify service is extended to support the Energy related KPIs.
PCF:
- Npcf_SMPolicyControl_UpdateNotify service and Npcf_PolicyAuthorization service are extended to supp... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.34 Solution #34: Network energy saving with UPF relocation | |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.34.1 Key Issue mapping | This solution addresses the following issues of KI#3. |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.34.2 Functional Description | This solution aims to achieve energy saving through optimizing the energy utilization of UPF(s), which powered by either renewable energy or normal energy, when the initial selection of user-plane path can't meet the requirements on energy saving. The EECF (Energy Efficiency Control Function) leverages resource informa... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.34.3 Procedures | Figure 6.34.3-1: Procedure for Network energy saving for UPF
1a. The AF creates a request for energy saving, including UE identifier(s), UE address(es), S-NSSAI, DNN, and UE energy consumption threshold at network slice/DNN/APP ID granularity, and sends the request to NEF. The NEF invokes Neecf_EnergySaving to send the... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.34.4 Impacts on existing services, entities and interfaces | EECF:
- New NF. Functionalities are as description of clause 6.34.2.
NEF:
- New service operation Nnef_EnergySaving.
PCF:
- Updating SM policy based on the policy information received from EECF.
UPF:
- Reporting the network energy related information based on EECF request through SMF.
UDM:
- Energy related subscription... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.35 Solution #35: Temporary sharing of resources among operators | |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.35.1 Key Issue mapping | This Solution is related to KI#3. This maps to the requirement in clause 6.15a.6.2 of TS 22.261 [8]:
Subject to regulatory requirements and operators' policies, the 5G system shall enable an operator to temporarily serve UEs of other operators within a geographical area for the purpose of saving energy of the other ope... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.35.2 Functional Description | One of the strategies to save energy within mobile networks is to shut down some RAN nodes at times of low usage.
Eventually only one communication service could be used on a local basis among operators with overlapping RAN coverage at times of low usage, as further energy saving gain can be exploited. Agreements could... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.35.3 Procedures | |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.35.3.1 EE roaming impact on registration/SIB | In figure 6.35.3.1-1 the high-level description of how the EE roaming could happen is provided. The indication to supporting UEs can be part of registration procedures as the UEs enter the area, or UCU procedures, or directly in the RAN SIB of remaining active cells in the area. UCU would be used only for UEs that are ... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.35.3.2 Opportunistic Energy Saving network sharing | Figure 6.35.3.2-1: Impact of dynamic network sharing
Figure 6.35.3.2-1 shows the expected high-level view of the interactions between entities involved in the establishment of dynamic network sharing (more detailed view should include also the Transport network OAM interactions unless there is predefined connectivity b... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.35.4 Impacts on existing services, entities and interface | For EE roaming:
AMF:
- Handling of EE roaming including of permissions within the EE roaming period and handling of EE roaming instance ID.
SMF:
- Handing of the EE roaming instance ID for CDR generation.
RAN:
- Handling of the EE roaming if SIB-based.
UE:
- Support of EE roaming as described above (including override ... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.36 Solution #36: Session control for network energy saving | |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.36.1 Key Issue mapping | This solution is to address the KI#2 Subscription and policy control to support energy efficiency and energy saving as service criteria and KI#3 5GS enhancements for network energy saving and efficiency. |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.36.2 Functional Description | The solution assumes the UDM stores the energy criteria information for per-UE/Network Slice/DNN in the subscription data of a UE and provides it to the SMF during the PDU session establishment. It is also assumed for the dynamic policy control that the PCF retrieves from UDR and stores the energy criteria information ... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.36.3 Procedures | Figure 6.36.3-1 illustrates session management procedure considering energy states.
Figure 6.36.3-1: Session management procedure considering energy states
1. UE sends a PDU Session Establishment Request message including S-NSSAI and DNN to set up a communication path for an application(s).
2. The AMF sends an Nsmf_PDU... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.36.4 Impacts on existing services, entities and interfaces | SMF:
- Sets session control parameters for a PDU session based on the energy criteria information for UE/Network Slice/DNN (PDU Session) in the subscription data from the UDM in case dynamic policy control is not deployed, or based on the SM policy from the PCF in case PCF is deployed for dynamic policy control.
UDM:
-... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.37 Solution #37: Energy efficiency and Energy saving in supporting edge computing | |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.37.1 Key Issue mapping | This is a solution related to KI#3. |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.37.2 Functional Description | This solution is under the KI#3: 5GS enhancements for network energy saving and efficiency.
This solution proposes to consider energy efficiency and energy saving in edge computing.
In Edge Computing deployment, an application service may be served by multiple Edge Application Servers typically deployed in different si... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.37.3 Procedures | |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.37.3.1 Procedures of enhancement EAS discovery | The procedure in clause 6.2.3.2.2 of TS 23.548 [21] is enhanced below:
Step 1 - step 9:
The same procedures as step 1 - step 9 in clause 6.2.3.2.2.
After step 8 and 9:
According to the DNS query from EASDF, for the selection of the candidate DNAI for a FQDN for the UE, the SMF may consider the UE location, network topo... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.37.3.2 Procedures of enhancement Traffic influence | The procedure in clause 4.3.6.2 of TS 23.502 [3] is enhanced below:
1. The AF may invoke a Nnef_TrafficInfluence_Create service operation by considering that the current EAS A serving the UE has higher energy consumption than the other EAS. The edge relocation may be performed considering energy related requirements pr... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.37.3.3 Procedures to request energy related information | Figure 6.37.3.3-1: Procedures to request energy related information
The procedure below describes the procedure to request the energy related information from EECF:
1. The SMF requests the energy related information from EECF including the following parameters: UE ID, DNAI, EAS IP address.
2. The EECF provides the ener... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.37.3.4 Procedures to AF provision EAS internal energy consumption | The procedure of AF providing the EAS internal energy consumption (e.g.: energy consumption level) to 5GC may reuse the procedure defined in clause 6.2.3.4 of TS 23.548 [21]. The EDI (edge deployment information) is extended with the EAS internal energy consumption. The AF provides the same format of Energy related inf... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.37.4 Impacts on existing services, entities and interfaces | SMF:
- Request and obtain the Energy efficiency and Energy saving information of each candidate DNAIs from or EECF.
- Selects the DNAI/EAS IP address which consumes the lower energy consumption.
- Determine the EDNS client and local DNS server that related to the selected DNAI.
- Considering maximum allowed energy cons... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.38 Solution #38: Policy control for multiple accesses based on network energy related information | |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.38.1 Key Issue mapping | This solution addresses Key Issue #2 "Subscription and policy control to support energy efficiency and energy saving as service criteria". |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.38.2 Functional Description | The UE can register to the network over multiple access networks (e.g. 3GPP access, non-3GPP access, different RATs of 3GPP access) and transmit data simultaneously or non-simultaneously over different accesses, either via different PDU Sessions or the same PDU Session (i.e. MA PDU Session). This offers both the UE and... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.38.3 Procedures | Figure 6.38.3-1: Policy control based on network energy related information procedure
1. The PCF obtains network energy related information from the NWDAF (via network data analytics) or the EMF.
The network energy related information is described in clause 6.38.2.
NOTE 1: How the NWDAF provides analytics of network en... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 6.38.4 Impacts on existing services, entities and interfaces | PCF:
- Obtains network energy related information from the NWDAF or EMF, and makes policy decisions taking into account of energy consumption (/energy efficiency) over specific access(es) / RAT type(s) as described in clause 6.38.2.
SMF:
- Enforces new policy (i.e. energy consumption / energy efficiency threshold per a... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 7 Overall Evaluation | Void |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 8 Conclusions | |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 8.1 Conclusion for KI#1: Network energy related information exposure | The following bullets are recommended for normative work for KI#1:
1) A new network functionality is defined to collect and calculate the energy related information and exposes to the authorized consumer subject to operator's policy:
- If the authorized consumer is AF, the granularities include: per UE, per UE per appl... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 8.2 Conclusion for Key Issue #2: Subscription and policy control to support energy efficiency and energy saving as service criteria | The following principles for enhancements on subscription and policy control are agreed for the normative work:
- The following information is stored as part of the subscription data in the UDM/UDR:
- Energy saving subscription information per UE to assist the network to perform energy saving strategies for the UE.
- T... |
9a7ee78d376350a925431f80a43bf5d9 | 23.700-66 | 8.3 Conclusion for Key Issue #3: 5GS enhancements for network energy saving and efficiency | It is proposed to procced to normative work based on the following principles: 1) For Enhancements on NF discovery and (re-)selection based on energy related information: - NF profile may be extended (e.g. include the new energy related information or reuse existing NF profile parameters) to allow an operator to influe... |
69b445c06689b3757ef2091eeb35eb80 | 23.700-70 | 1 Scope | The Technical Report studies key issues, solutions and conclusions for support of advanced media services, e.g. High Data Rate Low Latency (HDRLL) services, AR/VR/XR services. The objectives include study of whether and how to:
- Enhance PDU Set based QoS handling.
- Enhance QoS handling for XR services.
- Enhance supp... |
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