WO2020156663A1 - Dispositif et procédé d'adaptation basée sur des informations d'exposition d'une fonction de réseau et/ou de gestion - Google Patents

Dispositif et procédé d'adaptation basée sur des informations d'exposition d'une fonction de réseau et/ou de gestion Download PDF

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Publication number
WO2020156663A1
WO2020156663A1 PCT/EP2019/052265 EP2019052265W WO2020156663A1 WO 2020156663 A1 WO2020156663 A1 WO 2020156663A1 EP 2019052265 W EP2019052265 W EP 2019052265W WO 2020156663 A1 WO2020156663 A1 WO 2020156663A1
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WO
WIPO (PCT)
Prior art keywords
network device
network
exposure
level
information
Prior art date
Application number
PCT/EP2019/052265
Other languages
English (en)
Inventor
Emmanouil Pateromichelakis
Chan Zhou
Riccardo Trivisonno
Ishan Vaishnavi
Original Assignee
Huawei Technologies Co., Ltd.
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 Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Priority to PCT/EP2019/052265 priority Critical patent/WO2020156663A1/fr
Priority to CN201980090840.2A priority patent/CN113475039B/zh
Publication of WO2020156663A1 publication Critical patent/WO2020156663A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
    • H04L12/1403—Architecture for metering, charging or billing
    • H04L12/1407—Policy-and-charging control [PCC] architecture
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/51—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP for resellers, retailers or service providers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/66—Policy and charging system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]

Definitions

  • the present invention relates to the field of mobile communication and in particular to vehicle to anything (V2X) communication. More specifically, the present invention relates to adapting a network function and/or a management function based on exposure information that relates to properties of mobile communication.
  • V2X vehicle to anything
  • the next generation of mobile and wireless communications namely, the fifth generation (5G) envisions new use cases, services and applications, such as enhanced mobile broadband (eMBB), ultra-reliable low latency communications (URLLC), and massive machine-type communications (mMTC). Any combinations of these use cases can also be possible, such as ultra-reliable communications, low-latency communications, or low-latency eMBB communications.
  • enhanced Vehicular to everything eV2X
  • 5G service type which includes both safety and non-safety services, according to TS 22.186.
  • eV2X can be seen as special 5G service type which may require different network monitoring and control by a vertical customer (e.g. an OEM) and/or different network parameterization for supporting different services or variants of the same service, due to the following factors:
  • a V2X service may include either fully localized (direct, indirect V2V) and/or non- localized (V2N/V2I) traffic, or both.
  • V2N/V2I non- localized traffic
  • V2X-UE, V2X Server Dynamic interaction between Application (V2X-UE, V2X Server) and 5G System (e.g. for predictive QoS, UP management, LoA change) requires enhanced exposure of network capabilities by the V2X Application which can be different per V2X service.
  • the level of exposure can be seen as a service which can be offered to a 3rd party.
  • the control plane does not support the flexible configuration and adaptation of the level of exposure for a service. If a service operation changes, the network will most probably terminate the session and will try to establish a new one with a different exposure level. This may be critical for URLLC/V2X services.
  • Network exposure and in particular the exposure of network control functionalities is something“precious” for an operator and if it is agreed to give some extra capabilities to some particular services/slices, 3rd-party/vertical online charging needs to be triggered, according to the level of exposure of control traffic to UEs.
  • vertical charging model which dynamically captures service operation changes as mentioned above.
  • northbound API online charging is performed by the SCEF using the common Ro based Credit-Control application specified in TS 32.299.
  • the SCEF shall be able to perform online charging for 1) charging data related to northbound API invocation; and 2) charging data related to northbound API notification.
  • SCEF collects some charging information and translates it to billing requests. However, this does not refer to vertical charging.
  • the Monitoring Events feature is intended for monitoring of specific events in a 3GPP system and making such monitoring events information reported via a network exposure function (NEF) to an application function (AF).
  • the AF can be an application server or an application function residing at a vertical domain. It comprises means that allow NFs in 5GS for configuring specific events, the event detection, and the event reporting to the requested party.
  • NEF network exposure function
  • AMF-NEF-AF mobility stats
  • PCF-NEF-AF policy stats
  • SMF-NEF-AF session stats
  • one of the potential charging requirements that should be supported for network capability exposure is charging based on the network capability invocation or subscription for the network capabilities exposure.
  • a solution is proposed for offline/online charging considering the authentication by an NEF and the interaction with a billing domain. However, this is triggered by an application request, without mentioning levels of exposure and also without considering actual control traffic which is exposed.
  • the present invention aims to improve the prior art solutions.
  • the object of the present invention is to allow for logging of control traffic and notification of an NEF about an adaptation of exposure. More specifically, the present invention gives a definition and mapping of different capability exposure levels to eV2X services / scenarios by 5G CP. Also, the configuration / adaptation of Exposure-on-Demand during the operation of a V2X Service and the impact on charging is addressed. Also, the present invention allows for authorization and adaptation of billing for a session; and for logging of actual control traffic to be exposed to AF and for charging a vertical user accordingly.
  • the present invention solves the problem of controlling the control traffic to be exposed to a 3rd party, and thereby allows for the charging domain to dynamically adapt online billing of a vertical user based on a configuration/adaption of an exposure level - without disrupting a V2X service.
  • a negotiation between the vertical user and an MNO, as well as authorization and credit control would take much time, which might be critical for the V2X service continuity. This is even more critical when the vehicles involved in a V2X service, belong to different operators; hence the vertical charging may involve multiple stakeholders.
  • the present invention introduces a functionality, which is logging the control traffic to be exposed to the 3rd party and based on the level of exposure required for a service, to trigger charging/billing of a vertical customer.
  • the concept of the present invention basically comprises three steps:
  • Step 1 Receiving a set of exposure levels which may be either sent by Network Operation, Administration and Maintenance (OAM) and/or by an application request (e.g. by an application server) to indicate, what exposure is provided from network functions to an AF via NEF and is mapped to one or more V2X services or modes of V2X services.
  • OAM Network Operation, Administration and Maintenance
  • an application request e.g. by an application server
  • Capability of AF to monitor network events can be at least some of the following: Capability of AF to monitor network events; Capability of AF to monitor network/interface stats; Capability of AF to monitor real-time domain/sub-net monitoring events (e.g. RAN, wireless TN); Capability of AF to monitor sidelink conditions (PC5 monitoring); Capability of AF to influence traffic routing; Capability of AF to monitor per user QoS; Capability of AF to influence QoS; Capability of AF to perform pro-active/re-active QoS management (monitoring, configuration, adaptation); Capability of AF to perform UP configuration adaptation (e.g.
  • Step 2 Based on the obtained mapping of V2X services to exposure levels, the present invention allows for logging control traffic, which is exposed via NEF to AF for PDU sessions which are associated with the vertical customer (e.g. this can be captured by network slice information of the PDU session).
  • Step 3 The functionality, based on the control traffic charging policies (e.g. based on volume, criticality, exposure of network infrastructure) may trigger the charging adaptation of the vertical user based on actual control plane exposure.
  • control traffic charging policies e.g. based on volume, criticality, exposure of network infrastructure
  • a general aspect of the present invention is to provide a network device (which may be co-located with the exposure functionality), which:
  • Control Traffic which is exposed by any network function or a particular network sub-net (e.g. RAN, TN) to an AF, with granularity per PDU session or flow, based on the mapping table and/or AF/V2X service requests, and
  • a first aspect of the present invention provides a network device configured to: obtain a control information based on an exposure information; and trigger an adaptation of a network and/or management function based on the control information.
  • the obtaining the control information comprises storing or logging the control information in a memory or database.
  • the exposure information is obtained from another device and/or is predetermined.
  • obtaining the exposure information from another device comprises receiving the exposure information from another device or fetching the exposure information from another device.
  • the adaptation of the network and/or management function comprises an adaptation of a billing and/or charging function.
  • the network device may be located in a CN-C entity, and/or an NEF, and/or a RAN.
  • control traffic can be control plane traffic.
  • the exposure information comprises an information related to a vehicle to anything, V2X, service and/or a V2X service mode and in particular a mapping of this information to an exposed capability of a network function, NF.
  • the V2X service mode can comprise at least one of the following:
  • the exposure information further comprises at least one of the following parameters: - Service ID
  • - Geographical Area e.g. a RSU-level, a cell-level, or a TA level.
  • control information comprises an exposure of a NF to an application function, AF.
  • control information comprises a control traffic report from the NF.
  • control traffic report comprises at least one of the following parameters:
  • the network device is further configured to configured to obtain the control information per PDU session and/or per traffic flow.
  • the network device is further configured to adapt the network and/or management function based on an exposure demand information, in particular based on the control information, and wherein the exposure demand information includes at least one of the following parameters:
  • the network device is further configured to adapt the network and/or management function based on an adaptation of a vehicle-to-vehicle, V2V, communication mode.
  • the V2V communication mode can be a direct V2V communication mode, or an indirect V2V communication mode.
  • the network device is further configured to adapt the obtaining of the control information based on an application request and/or based on a network request.
  • the network device is further configured to adapt the obtaining of the control information based on a change of a V2V session.
  • the a change of the V2V session is a change of a level of automation, LoA, in particular caused by a V2X server.
  • the network device is further configured to adapt the obtaining of the control information based on a change of network slice instances, NSIs, associated with a V2V session.
  • the network device is further configured to trigger the adaptation of the network and/or management function periodically or upon request.
  • a second aspect of the present invention provides a method for operating a network device, the method comprising the steps of: obtaining, by the network device, a control information based on an exposure information; and triggering, by the network device, an adaptation of a network and/or management function based on the control information.
  • the obtaining the control information comprises storing or logging the control information in a memory or database.
  • the exposure information is obtained from another device and/or is predetermined.
  • obtaining the exposure information from another device comprises receiving the exposure information from another device or fetching the exposure information from another device.
  • the adaptation of the network and/or management function comprises an adaptation of a billing and/or charging function.
  • the method may be performed in a CN-C entity, and/or an NEF, and/or a RAN.
  • control traffic can be control plane traffic.
  • the exposure information comprises an information related to a vehicle to anything, V2X, service and/or a V2X service mode and in particular a mapping of this information to an exposed capability of a network function, NF.
  • the V2X service mode can comprise at least one of the following:
  • the exposure information further comprises at least one of the following parameters:
  • - Geographical Area e.g. a RSU-level, a cell-level, or a TA level.
  • control information comprises an exposure of a NF to an application function, AF.
  • control information comprises a control traffic report from the NF.
  • control traffic report comprises at least one of the following parameters:
  • the method further includes obtaining, by the network device, the control information per PDU session and/or per traffic flow.
  • the method further includes adapting, by the network device, the network and/or management function based on an exposure demand information, in particular based on the control information, and the exposure demand information includes at least one of the following parameters:
  • the method further includes adapting, by the network device, the network and/or management function based on an adaptation of a vehicle-to-vehicle, V2V, communication mode.
  • the V2V communication mode can be a direct V2V communication mode, or an indirect V2V communication mode.
  • the method further includes adapting, by the network device, the obtaining of the control information based on an application request and/or based on a network request.
  • the method further includes adapting, by the network device, the obtaining of the control information based on a change of a V2V session.
  • the a change of the V2V session is a change of a level of automation, LoA, in particular caused by a V2X server.
  • the method further includes adapting, by the network device, the obtaining of the control information based on a change of network slice instances, NSIs, associated with a V2V session.
  • the method further includes triggering, by the network device, the adaptation of the network and/or management function periodically or upon request.
  • FIG. 1 shows a schematic view of network device according to an embodiment of the present invention.
  • FIG. 2 shows a schematic view of an operating example according to the present invention.
  • FIG. 3 shows another schematic view of an operating example according to the present invention.
  • FIG. 4 shows another schematic view of an operating example according to the present invention.
  • FIG. 5 shows another schematic view of an operating example according to the present invention.
  • FIG. 6 shows a schematic view of a method according to an embodiment of the present invention.
  • FIG. 1 shows a network device 100 according to an embodiment of the present invention.
  • the network device 100 is configured to obtain a control information 101 based on an exposure information 102.
  • Obtaining the control information 101 optionally may include that the control information 101 is pre-stored in the network device 100, or determined by the network device 100, or received from another network device 100.
  • the network device 100 is further configured to trigger an adaptation of a network and/or management function based on the control information 101.
  • FIG. 2 shows a more detailed description of the operation of the network device 100.
  • the network device 100 is also called Logical Control Unit (LCU).
  • LCU Logical Control Unit
  • an AF / service request is sent from the AF to the LCU, which includes the exposure level (i.e. the exposure information 102) for a V2X service or alternatively this is received by OAM which maps the service to a required Exposure based on pre-configured mapping tables (how the mapping tables are configured is out- of-scope of this invention).
  • the LCU sends a logging subscription request to the involved entities (e.g. monitoring request from NWDAF, RAN and other NFs) and receives an ACK/NACK.
  • the LCU either acquires exposed control traffic usage reports (i.e. the control information 101) from NEF (if no co-located with NEF); or calculates the exposed control traffic that passes through NEF (if co-located with or part of NEF) per session or flow.
  • the LCU Based on the usage, the LCU translates the per session report/calculations to per vertical customer (or V2X service) exposure and usage requirement.
  • the LCU sends a logging report of the exposed control traffic to the charging domain, either periodically or by a trigger from LCU (or by request from Charging domain), in order to update the billing of the vertical user based on the new requirement.
  • the charging domain and the vertical customer agree on the new charging based on the updated exposure requirement. That is, the adaptation of the network and/or management function optionally comprises an adaptation of a billing and/or charging function 201.
  • Service-to-Exposure level mapping message (OAM to LCU):
  • This information e.g. is or is included in the exposure information 102 and may be sent by an OAM to the LCU, to set the exposure level per V2X service (or mode of service) based on an SLA agreement between a vertical customer and an operator.
  • This may include at least one of the following parameters:
  • This report e.g. is or is included in the control information 101, and is sent by the NF which exposes control information to a 3rd party (AF), to the LCU, to allow LCU to store and calculate the usage over time per vertical customer.
  • AF 3rd party
  • RSU-level Geographical Area (RSU-level, cell-level, TA level, etc.)
  • Exposure logging reporting/trigger (LCU to Vertical Charging Domain/OAM):
  • This message is sent after the processing by the LCU and the translation to per- vertical/slice reporting to be used for the Charging Domain and/or OAM. This may be either triggered by LCU or may be periodically reported to charging domain. This may include at least one of the following parameters:
  • RSU-level Geographical Area (RSU-level, cell-level, TA level, etc.)
  • This embodiment describes a case of having network-assisted V2V communication (e.g. platooning).
  • two modes of operation may be provided: - Direct V2V:
  • UP user-plane
  • CP Control Plane
  • the exposure required in this case would be about monitoring very abstract (e.g. PC5 monitoring, active UE density, abstract network status information reporting by NWDAF), since the reliance on network is mainly for scheduling and charging.
  • CP and UP are both handled by the network.
  • the required exposure may be more detailed, e.g. Uu monitoring, RAN resource usage monitoring, AF to influence QoS, AF to provide UP path configuration etc.
  • AF AF needs to further monitor the Uu condition, since it estimates that the formation of the vehicles is about to change.
  • ECU based on a new application request, requires that the NFs that will expose their service to AF to be activated and send CP Traffic Fogging report to ECU.
  • ECU interacts with the charging domain using Exposure logging reporting/trigger msg to adapt the vertical charging. This concept is e.g. shown in FIG. 3.
  • a change of a level of automation (FoA) by an application is disclosed.
  • a V2X server decides to change the FoA for a particular V2V ongoing session. This may require additional exposure of capabilities to AF (e.g. capability to influence QoS).
  • AF e.g. capability to influence QoS
  • LCU requires that the NFs that will expose their service to AF to be activated and send Control Plane (CP) Traffic Logging report to LCU.
  • CP Control Plane
  • LCU interacts with the charging domain using Exposure logging reporting/trigger msg to adapt the vertical charging.
  • the network requires re-selection of a Network Slice Instance (NSI) which is associated to a V2X session 501 (e.g. based on monitoring of slice congestion by NWDAF).
  • NSI Network Slice Instance
  • the configuration of CP and UP functions will change. Also, this may change the exposure capabilities which are offered to the vertical user, since the exposure is part of the NSI configuration (by OAM).
  • NSI x is configured by OAM for exposing network monitoring stats
  • NSI y is configured by OAM for exposing monitoring analytics by RAN and NWDAF.
  • the LCU may not be aware of the NSI adaptation. However, by logging the new control traffic to be exposed, it calculates the vertical charging requirement and triggers a reporting to the charging domain as in previous cases.
  • FIG. 6 shows a method 600 according to an embodiment of the present invention.
  • the method 600 corresponds to network device 100.
  • the method 900 comprises a steps of obtaining 601, by a network device 100, a control information 101 based on an exposure information 102.
  • the method 600 comprises a second step of triggering 602, by the network device 100, an adaptation of a network and/or management function based on the control information 102.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne le domaine de la communication mobile et, en particulier, la communication de véhicule à toute entité routière (V2X). La présente invention concerne un dispositif de réseau (100) configuré pour : obtenir des informations de commande (101) sur la base d'informations d'exposition (102); et déclencher une adaptation d'une fonction de réseau et/ou de gestion sur la base des informations de commande (102).
PCT/EP2019/052265 2019-01-30 2019-01-30 Dispositif et procédé d'adaptation basée sur des informations d'exposition d'une fonction de réseau et/ou de gestion WO2020156663A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/EP2019/052265 WO2020156663A1 (fr) 2019-01-30 2019-01-30 Dispositif et procédé d'adaptation basée sur des informations d'exposition d'une fonction de réseau et/ou de gestion
CN201980090840.2A CN113475039B (zh) 2019-01-30 2019-01-30 基于开放信息的网络和/或管理功能适配的装置和方法

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PCT/EP2019/052265 WO2020156663A1 (fr) 2019-01-30 2019-01-30 Dispositif et procédé d'adaptation basée sur des informations d'exposition d'une fonction de réseau et/ou de gestion

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WO2023110162A1 (fr) 2021-12-15 2023-06-22 Lenovo International Coöperatief U.A. Facturation de fournisseurs de services d'application couplés à des réseaux de communication sans fil

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