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WO2025175121A1 - Procédés et appareil pour mettre en œuvre une activation de caractéristique de service sensible à l'économie d'énergie - Google Patents

Procédés et appareil pour mettre en œuvre une activation de caractéristique de service sensible à l'économie d'énergie

Info

Publication number
WO2025175121A1
WO2025175121A1 PCT/US2025/015961 US2025015961W WO2025175121A1 WO 2025175121 A1 WO2025175121 A1 WO 2025175121A1 US 2025015961 W US2025015961 W US 2025015961W WO 2025175121 A1 WO2025175121 A1 WO 2025175121A1
Authority
WO
WIPO (PCT)
Prior art keywords
energy savings
message
session
energy
pcf
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/US2025/015961
Other languages
English (en)
Inventor
Samir Ferdi
Michael Starsinic
Achref METHENNI
Saad Ahmad
Michelle Perras
Ulises Olvera-Hernandez
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
InterDigital Patent Holdings Inc
Original Assignee
InterDigital Patent Holdings Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by InterDigital Patent Holdings Inc filed Critical InterDigital Patent Holdings Inc
Publication of WO2025175121A1 publication Critical patent/WO2025175121A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0894—Policy-based network configuration management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal

Definitions

  • the first message is received from a network exposure function (NEF).
  • the second message is sent to an energy efficiency control function (EECF), an network data analytics function (NWDAF), or an energy information function (EIF).
  • EECF energy efficiency control function
  • NWDAAF network data analytics function
  • EIF energy information function
  • the second message comprises an application identification, the QoS parameters, and at least one feature subject to energy savings control.
  • the fourth message further comprises projected energy savings information.
  • FIG. 1 B is a system diagram illustrating an example wireless transmit/receive unit (WTRU) that may be used within the communications system illustrated in FIG. 1A according to an embodiment;
  • WTRU wireless transmit/receive unit
  • the communications systems 100 may employ one or more channel access methods, such as code division multiple access (CDMA), time division multiple access (TDMA), frequency division multiple access (FDMA), orthogonal FDMA (OFDMA), singlecarrier FDMA (SC-FDMA), zero-tail unique-word discrete Fourier transform Spread OFDM (ZT-UW-DFT-S- OFDM), unique word OFDM (UW-OFDM), resource block-filtered OFDM, filter bank multicarrier (FBMC), and the like.
  • CDMA code division multiple access
  • TDMA time division multiple access
  • FDMA frequency division multiple access
  • OFDMA orthogonal FDMA
  • SC-FDMA singlecarrier FDMA
  • ZT-UW-DFT-S- OFDM zero-tail unique-word discrete Fourier transform Spread OFDM
  • UW-OFDM unique word OFDM
  • FBMC filter bank multicarrier
  • Each of the eNode-Bs 160a, 160b, 160c may be associated with a particular cell (not shown) and may be configured to handle radio resource management decisions, handover decisions, scheduling of users in the UL and/or DL, and the like. As shown in FIG. 10, the eNode-Bs 160a, 160b, 160c may communicate with one another over an X2 interface.
  • a WLAN in Infrastructure Basic Service Set (BSS) mode may have an Access Point (AP) for the BSS and one or more stations (STAs) associated with the AP.
  • the AP may have access or an interface to a Distribution System (DS) or another type of wired/wireless network that carries traffic in to and/or out of the BSS.
  • Traffic to STAs that originates from outside the BSS may arrive through the AP and may be delivered to the STAs.
  • Traffic originating from STAs to destinations outside the BSS may be sent to the AP to be delivered to respective destinations.
  • Traffic between STAs within the BSS may be sent through the AP, for example, where the source STA may send traffic to the AP and the AP may deliver the traffic to the destination STA.
  • the traffic between STAs within a BSS may be considered and/or referred to as peer-to-peer traffic.
  • the peer-to- peer traffic may be sent between (e.g., directly between) the source and destination STAs with a direct link setup (DLS).
  • the DLS may use an 802.11e DLS or an 802.11z tunneled DLS (TDLS).
  • a WLAN using an Independent BSS (IBSS) mode may not have an AP, and the STAs (e.g., all of the STAs) within or using the IBSS may communicate directly with each other.
  • the IBSS mode of communication may sometimes be referred to herein as an “ad-hoc” mode of communication.
  • the available frequency bands which may be used by 802.11 ah, are from 902 MHz to 928 MHz. In Korea, the available frequency bands are from 917.5 MHz to 923.5 MHz. In Japan, the available frequency bands are from 916.5 MHz to 927.5 MHz. The total bandwidth available for 802.11 ah is 6 MHz to 26 MHz depending on the country code.
  • the AMF 182a, 182b may provide a control plane function for switching between the RAN 104 and other RANs (not shown) that employ other radio technologies, such as LTE, LTE-A, LTE-A Pro, and/or non-3GPP access technologies such as WiFi.
  • radio technologies such as LTE, LTE-A, LTE-A Pro, and/or non-3GPP access technologies such as WiFi.
  • the WTRUs 102a, 102b, 102c may be connected to a local DN 185a, 185b through the UPF 184a, 184b via the N3 interface to the UPF 184a, 184b and an N6 interface between the UPF 184a, 184b and the DN 185a, 185b.
  • the emulation devices may be designed to implement one or more tests of other devices in a lab environment and/or in an operator network environment.
  • the one or more emulation devices may perform the one or more, or all, functions while being fully or partially implemented and/or deployed as part of a wired and/or wireless communication network in order to test other devices within the communication network.
  • the one or more emulation devices may perform the one or more, or all, functions while being temporarily implemented/deployed as part of a wired and/or wireless communication network.
  • the emulation device may be directly coupled to another device for purposes of testing and/or performing testing using over-the-air wireless communications.
  • the User Plane resources for such PDU session may be activated during an (e.g., every) WTRU state transition from CM-IDLE mode to CM-CONNECTED.
  • Usage of an always-on PDU sessions requires the following handling:.
  • the WTRU may request the activation of User Plane resources for the PDU session even if the WTRU does not have uplink data to send or if the WTRU triggers a service request only for signaling or for a paging response.
  • the UP connection for this type of PDU session should not be deactivated by an SMF even in the presence of inactivity.
  • UP integrity protection provides additional security compared to LTE/4G but with a non negligible cost in terms of extra processing overhead at the WTRUs and RAN nodes.
  • the usage of simultaneous traffic over both 3GPP and non-3GPP access adds more energy consumption than usage of a single PDU session.
  • the energy consumption may vary depending on the access being prioritized. For example, the traffic sent over NG-RAN may be higher (e.g., from a cell border) than if transmitted using a non-3GPP access. How the traffic is prioritized and offloaded between the different access may therefore also have an influence on the energy consumption of the WTRU and network.
  • the PCF may use the collected or received energy consumption data and the energy savings profile to determine a policy for the session that complies with the AF energy savings requirements.
  • the PCF may inform the SMF of the session policy including energy savings adjustments or deactivation parameters.
  • the SMF may apply the policy for the service delivery considering the AF energy savings criteria.
  • the AF may invoke a Nnef_MultiMemberAFSessionWithQoS request to reserve resources for multiple WTRUs.
  • the AF may provide a common energy saving profile for multiple WTRUs.
  • the energy saving profile may indicate total energy savings or energy savings per WTRU.
  • an AF 201 may send a request message 210 (e.g., Nnef_AFsessionWithQoS_Create request) to reserve resources for an AF session with energy savings criteria.
  • the request message may be sent to a NEF 202.
  • the request message may be sent directly to a PCF 203 from the AF, for example if the AF is a trusted entity.
  • the request message may include QoS parameters (e.g., a QoS parameters set reference or individual parameters such as priority, maximum bitrate, delay).
  • QoS parameters e.g., a QoS parameters set reference or individual parameters such as priority, maximum bitrate, delay.
  • the request message may include energy saving profile information, including an energy savings level and features subject to energy savings control. Examples of energy saving profile information may include for example an indication of a desired level of energy savings or consumption, a list of features subject to energy control and/or an indication of other network energy savings allowed, which are discussed in detail below.
  • the NEF 202 may send a message 220 (e.g., Npcf_PolicyAuthorization_Create request) to forward the received parameters to the PCF 203.
  • a message 220 e.g., Npcf_PolicyAuthorization_Create request
  • the PCF 203 may send, to the EECF / NWDAF / EIF 204, a request message to retrieve energy consumption analytics information 225 (e.g., Nnwdaf_EnergyConsumptionAnalytics request).
  • the request message may include, for example, an application identification, QoS parameters and list of (optional) features that are part of the service. Aspects of energy consumption data determination are described throughout the present application.
  • the PCF 203 may receive a message 230 (e.g., Nnwdaf_EnergyConsumptionAnalytics response) comprising energy consumption data information from the EECF / NWDAF / EIF 204.
  • the message may include information regarding per feature relative contribution to the energy consumption associated with the service/session.
  • the PCF 203 may determine an energy savings policy 235 and charging control (PCC) rules and other policy configuration information (e.g., UP security policy, redundant PDU Session) for the session using the energy consumption data and requested session energy savings profile to achieve the desired energy savings level. Accordingly, the PCF may determine the features for which PCC rules and other policy configuration information that need to be established or updated for the adjustment/disablement of the features. The PCF may obtain energy optimization recommendation(s) from the EECF / NWDAF / EIF by providing the energy level and other weighting factors associated with the features. Examples of feature based energy savings policy control and enforcement are described throughout the present application and may include, for example, UP security policy, ATSSS, and reflective QoS.
  • PCC charging control
  • the PCF 203 may send a response message 240 to indicate whether the request is granted.
  • the PCF may send the response message 240 (e.g., Npcf_PolicyAuthorization_Create response) to the NEF and the NEF may send the response message 245 (e.g., Nnef_AFsessionWithQoS_Create response) to the AF.
  • the PCF may send the response message to the AF.
  • the PCF may send the response message to both the NEF and the AF.
  • the response message may include information regarding the adjusted or de/activated features and projected energy savings for the session (e.g., a list of features adjusted and/or deactivated for energy savings).
  • the PCF 203 may send an update message 250 (e.g., NpcfJS MPolicyControl_UpdateNotify request) to the SMF 205 with the corresponding policy indicating rules for the feature adjustment/deactivation for energy savings.
  • the SMF may apply the policy with energy savings rules to the PDU session 255.
  • the SMF may send a message 260 (e.g., Npcf_SMPolicyControl_UpdateNotify response) to the PCF to indicate success or failure.
  • the PCF 203 may send a notification message 265 (e.g., Npcf_PolicyAuthorization_Notify) to the NEF and/or AF to indicate whether the establishment of the transmission resources with corresponding energy savings succeeded or failed.
  • the PCF may send the notification message 265 to the NEF and the NEF may forward the notification message 270 (e.g., Nnef_AFsessionWithQoS_Notify) to the AF.
  • the PCF may send the notification message to the AF.
  • the PCF may send the notification message to both the NEF and AF.
  • an energy profile for a service/session may include an indication of a desired level of energy savings or consumption.
  • the indication may expressed as, for example: a threshold value in Watt/h or Joule; a service delivery energy saving mode (e.g., maximum saving or “eco mode”, optimal or “balanced”, moderate or “maximize performance”); and/or a percentage of savings compared to a nominal energy consumption for a similar service/session with equivalent QoS and features activated.
  • Each feature may be assigned a priority value or a weight by the AF.
  • the priority value may indicate that a certain feature is more important or has more priority for the AF than another feature.
  • This priority value may be used by the 5GS, if, for example, two features contribute similarly to the energy consumption.
  • the PCF may use the priority values to determine which feature to deactivate or adjust in priority (e.g., deactivate/adjust the feature with lower priority in favor of the higher priority feature). For example, an application may favor better UP security above ATSSS capabilities.
  • an energy profile for a service/session may include, for example, an indication of other network energy savings allowed. As some features may not be visible externally to the network, this indication of other network energy savings allowed informs the network that it may optimize energy savings based on other features not explicitly listed above (e.g., for which AF is not aware of or not essential for proper service delivery).
  • the PCF may determine, based on internal policies, to determine the internal features to optimize for energy savings. Whether to apply energy savings control based on internal features may depend on the need to meet the desired level of energy savings or comply with the service delivery mode (e.g., if desired savings cannot be achieved based on the AF provided features).
  • the NWDAF (or EECF or EIF) may implement a trained model whose input may include the QoS parameters, desired energy level, one or more features and their relative priority that may contribute to the energy consumption.
  • the output may include the recommended feature to optimize in priority, and/or the predicted achievable energy consumption level.
  • the NWDAF may use the relative priority of the features to determine which features needs to be optimized/disabled in priority to achieve an optimal energy saving score.
  • the NWDAF may provide different alternative energy consumption outputs for the PCF to select from, to determine based on a PCF configuration.
  • Session policy control with energy savings considerations may be performed.
  • the PCF may select features to adjust or deactivate for session energy consumption to match the desired energy consumption/saving level.
  • the corresponding policy configuration adapted for energy savings requirements may not allow upgrade of a PDU Session to a MA PDU (e.g., for bandwidth aggregation) to prevent excess use of resources/energy.
  • the policy may allow for offload of traffic from 3GPP access to non-3GPP access.
  • the PCF may decide to set the RQ Timer based on the desired energy consumption target. For example, the PCF may provide a policy with a larger RQ Timer set for the PDU Session which may result in energy savings because the UPF would need to perform packet inspection less frequently.
  • the PCF may send a subscription request to the EECF.
  • the subscription request may include, for example, a data network name (DNN), a single network slice selection assistance information (S-NSSAI), PDU Session ID, a data network access identifier (DNAI) and energy threshold.
  • the subscription request may indicate that the PCF desires a notification when the energy consumption that is associated with the PDU session crosses the energy threshold.
  • the PCF may notify the AF/NEF about the energy crossing event and/or that a different combination of features have been adjusted and/or activated and/or deactivated.
  • FIG. 3 shows an example procedure 300 for setting up an AF session with energy savings for use by a PCF.
  • the PCF may receive, from an AF (e.g., directly or via a NEF), a request message 310 to setup or create (e.g., reserve resources for) an AF session with QoS requirements and energy savings criteria or requirements.
  • the request message may be a Npcf_PolicyAuthorization_Create request.
  • the request message may include QoS parameters.
  • the request message may include energy saving profile information, including an energy savings level and features subject to energy savings control. Examples of energy saving profile information may include for example an indication of a desired level of energy savings or consumption, a list of one or more features subject to energy control and/or an indication of other network energy savings allowed, which are discussed in detail above.
  • the PCF may send a request message 320 for energy consumption data (e.g., analytics) information 225 (e.g., Nnwdaf_EnergyConsumptionAnalytics request).
  • the request message may be sent to a function, for example, an EECF, NWDAF, or EIF.
  • the request message may include, for example, an application identification, QoS parameters and (optional) the features (e.g., a list of features) that are part of the service. Aspects of energy consumption data determination are described throughout the present application.
  • the request message may comprise the QoS parameters and/or the list of features subject to energy control.
  • the PCF may determine an energy savings policy 340 and charging control (PCC) rules and other policy configuration information (e.g., UP security policy, redundant PDU Session) for the session using the energy consumption data information and session energy savings profile to achieve the desired energy savings level.
  • PCC charging control
  • the PCF may determine the features for which PCC rules and other policy configuration information that need to be established or updated for the adjustment/disablement of the features.
  • the PCF may obtain energy optimization recommendation(s) from the EECF / NWDAF / EIF by providing the energy level and other weighting factors associated with the features. Examples of feature based energy savings policy control and enforcement are described throughout the present application and may include, for example, UP security policy, ATSSS, and reflective QoS.
  • the PCF may send a response message 350 to indicate whether the request is granted and including the energy savings policy information.
  • the PCF may send the response message (e.g., Npcf_PolicyAuthorization_Create response) to the NEF.
  • the PCF may send the response message to the AF.
  • the PCF may send the response message to both the NEF and the AF.
  • the response message may include information regarding the adjusted or de/activated features and/or projected energy savings for the session (e.g., a list of features adjusted and/or deactivated for energy savings).
  • the PCF may send an update message 360 (e.g., Npcf_SMPolicyControl_UpdateNotify request) to the SMF with the corresponding policy indicating rules for the feature adjustment/deactivation for energy savings.
  • update message 360 e.g., Npcf_SMPolicyControl_UpdateNotify request
  • the PCF may receive, from the SMF, a message 370 (e.g., Npcf_SMPolicyControl_UpdateNotify response) to indicate success or failure of an applied policy to a PDU session with energy savings adjustment / deactivation.
  • a message 370 e.g., Npcf_SMPolicyControl_UpdateNotify response
  • the PCF may send a notification message 380 (e.g., Npcf_PolicyAuthorization_Notify) to the NEF and/or AF to indicate whether the establishment of the transmission resources with corresponding energy savings succeeded orfailed.
  • the PCF may send the notification message to the NEF and the NEF may forward the notification message 270 (e.g., Nnef_AFsessionWithQoS_Notify) to the AF.
  • the PCF may send the notification message to the AF.
  • the PCF may send the notification message to both the NEF and AF.
  • FIG. 4 show an example procedure 400 for an AF session with energy savings for use by an NEF.
  • the NEF may receive, from an AF, a request message 410 (e.g., Nnef_AFsessionWithQoS_Create request) to setup or create (e.g., reserve resources for) a session with QoS requirements and energy savings criteria or requirements.
  • the request message may include QoS parameters.
  • the request message may include energy saving profile information, including an energy savings level and features subject to energy savings control. Examples of energy saving profile information may include for example an indication of a desired level of energy savings or consumption, a list of features subject to energy control and/or an indication of other network energy savings allowed, which are discussed in detail above.
  • the NEF may send a message 430 (e.g., Npcf_PolicyAuthorization_Create request) to forward the received parameters (e.g. QoS requirements and energy savings profile) to the PCF and request the AF session with energy savings requirements.
  • a message 430 e.g., Npcf_PolicyAuthorization_Create request
  • the received parameters e.g. QoS requirements and energy savings profile
  • the NEF may receive a response message 440 (e.g., Npcf_PolicyAuthorization_Create response), from the PCF, indicating a grant or creation of the AF session request.
  • the response message may include energy savings policy information.
  • the response message may include information regarding the adjusted or de/activated features and projected energy savings for the session (e.g., a list of features adjusted and/or deactivated for energy savings).
  • the NEF may send a response message 450 (e.g., Nnef_AFsessionWithQoS_Create response), to the AF, indicating a grant or creation of the AF session request.
  • the response message may include the energy savings policy information.
  • the response message may include information regarding the adjusted or de/activated features and projected energy savings for the session (e.g., a list of features adjusted and/or deactivated for energy savings).
  • the NEF may receive a notification message 460 (e.g., Npcf_PolicyAuthorization_Notify), from the PCF, to indicate whether the establishment of the transmission resources with corresponding energy savings succeeded or failed.
  • the NEF may forward the notification message 470 (e.g., Nnef_AFsessionWithQoS_Notify) to the AF.
  • FIG. 5 show an example procedure 500 for an AF session with energy savings for use by a SMF.
  • the SMF may receive a message 510 (e.g., Npcf_SMPolicyControl_UpdateNotify request) from a PCF with a policy information indicating rules for feature adjustment/deactivation for energy savings.
  • the SMF may apply the policy 520 with energy savings rules to a PDU session.
  • the SMF may send a response message 530 (e.g., Npcf_SMPolicyControl_UpdateNotify response), to the PCF, to indicate success orfailure of application of the energy savings policy information.
  • a response message 530 e.g., Npcf_SMPolicyControl_UpdateNotify response
  • FIG. 6 show an example procedure 600 for an AF session with energy savings for use by a function such as a NWDAF / EECF / EIF.
  • the EECF may receive, from a PCF, a request message 610 for energy consumption analytics information (e.g., Nnwdaf_EnergyConsumptionAnalytics request).
  • the request message may include, for example, an application identification, QoS parameters and list of (optional) features that are part of the service. Aspects of energy consumption data determination are described throughout the present application.
  • the EECF may determine the energy consumption analytics information 620.
  • the determination may be based on the parameters from the request message, for example, an application identification, QoS parameters and list of (optional) features that are part of the service.
  • the EECF may send, to the PCF, a message 630 (e.g., Nnwdaf_EnergyConsumptionAnalytics response) comprising energy consumption data information.
  • the message may include information regarding per feature relative contribution to the energy consumption associated with the service/session.
  • ROM read only memory
  • RAM random access memory
  • register cache memory
  • semiconductor memory devices magnetic media such as internal hard disks and removable disks, magnetooptical media, and optical media such as CD-ROM disks, and digital versatile disks (DVDs).
  • a processor in association with software may be used to implement a radio frequency transceiver for use in a WTRU, UE, terminal, base station, RNC, or any host computer.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Une entité de fonction de commande de politique (PCF) est conçue pour recevoir un premier message qui comprend des paramètres de qualité de service (QoS) pour une session de fonction d'application (AF) et des informations de profil d'économie d'énergie. La PCF est conçue pour envoyer un deuxième message qui est une demande de données de consommation d'énergie. La PCF est conçue pour recevoir un troisième message qui comprend les données de consommation d'énergie demandées. La PCF est conçue pour déterminer des informations de politique d'économie d'énergie pour la session AF sur la base des données de consommation d'énergie et du profil d'économie d'énergie. La PCF est conçue pour envoyer un quatrième message qui comprend les informations de politique d'économie d'énergie concernant des caractéristiques ajustées ou désactivées pour une économie d'énergie pour la session AF et pour envoyer un cinquième message, pour mettre à jour une fonction de gestion de session (SMF), qui comprend les informations de politique d'économie d'énergie concernant des caractéristiques ajustées ou désactivées pour une économie d'énergie pour la session AF.
PCT/US2025/015961 2024-02-15 2025-02-14 Procédés et appareil pour mettre en œuvre une activation de caractéristique de service sensible à l'économie d'énergie Pending WO2025175121A1 (fr)

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US63/553,991 2024-02-15

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Citations (3)

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CN116848898A (zh) * 2023-05-11 2023-10-03 北京小米移动软件有限公司 信息传输方法及装置、通信设备及存储介质
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US20240015567A1 (en) * 2020-11-25 2024-01-11 Interdigital Patent Holdings, Inc. Fast qos rule changes for high priority mo data

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US20240015567A1 (en) * 2020-11-25 2024-01-11 Interdigital Patent Holdings, Inc. Fast qos rule changes for high priority mo data
CN116848898A (zh) * 2023-05-11 2023-10-03 北京小米移动软件有限公司 信息传输方法及装置、通信设备及存储介质
CN116918428A (zh) * 2023-05-22 2023-10-20 北京小米移动软件有限公司 信息处理方法及装置、通信设备、通信系统、存储介质

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