WO2023100385A1 - 仮想化基盤および無線アクセスネットワークノードによる無線アクセスネットワーク制御 - Google Patents
仮想化基盤および無線アクセスネットワークノードによる無線アクセスネットワーク制御 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
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- G—PHYSICS
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- 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
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- 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
- H04L41/14—Network analysis or design
- H04L41/147—Network analysis or design for predicting network behaviour
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- 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
- H04L41/16—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks using machine learning or artificial intelligence
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- H—ELECTRICITY
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- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/29—Control channels or signalling for resource management between an access point and the access point controlling device
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/12—Access point controller devices
Definitions
- the present disclosure relates to radio access network control by virtualization infrastructure and radio access network nodes.
- O-RAN provides a virtualization infrastructure called O-Cloud (hereinafter also called O-Cloud for convenience) that virtually manages a set of radio access network nodes (RAN nodes).
- O-Cloud a virtualization infrastructure
- Non-RT RIC Non-Real Time RAN Intelligent Controller
- the present disclosure has been made in view of this situation, and its purpose is to provide a radio access network control device and the like that can efficiently control the radio access network.
- a radio access network control device obtains operating statuses of a plurality of radio access network nodes from a virtualization infrastructure that virtually manages a set of a plurality of radio access network nodes. obtaining measured operation data from each radio access network node; and based on the operation status and the operation data, for at least one of the virtualization infrastructure and each radio access network node, issuing operational guidelines regarding the operation of each such radio access network node;
- the processor takes into account the operating status of multiple RAN nodes obtained from the virtualization platform and also the operating data obtained from each RAN node, thereby virtualizing the operating guidelines for efficiently operating each RAN node. It can be issued to the infrastructure and/or each RAN node.
- Another aspect of the present disclosure is a radio access network control method.
- This method includes acquiring operation statuses of a plurality of radio access network nodes from a virtualization infrastructure that virtually manages a set of a plurality of radio access network nodes; acquiring data, and issuing an operational guideline regarding the operation of each radio access network node to at least one of the virtualization infrastructure and each radio access network node based on the operational status and the operational data; Prepare.
- Yet another aspect of the present disclosure is a storage medium.
- This storage medium acquires the operation status of the plurality of radio access network nodes from a virtualization infrastructure that virtually manages a set of the plurality of radio access network nodes, obtaining operation data; and issuing an operation guideline regarding operation of each radio access network node to at least one of the virtualization infrastructure and each radio access network node based on the operation status and the operation data; a radio access network control program that causes the computer to execute:
- control of the radio access network can be made more efficient.
- FIG. 1 schematically shows an overview of a radio access network controller; Various functions realized by SMO and/or Non-RT RIC and O-Cloud are shown schematically.
- 2 is a functional block diagram schematically showing a radio access network controller;
- FIG. 4 is a flow chart showing an example of RAN control by a radio access network controller;
- O-RAN is the standard and specifications established by the O-RAN Alliance.
- well-known terms defined in "O-RAN” are used for convenience, but the technology according to the present disclosure is based on other existing radio access networks such as “Open RAN” and “vRAN” , it can also be applied to similar radio access networks that may be developed in the future.
- FIG. 1 schematically shows an overview of the radio access network control device according to this embodiment.
- This radio access network controller is a RAN controller that controls a radio access network conforming to O-RAN.
- SMO Service Management and Orchestration
- the SMO is equipped with a Non-RT RIC (Non-Real Time RAN Intelligent Controller) that functions as an overall control processor responsible for overall control.
- Non-RT RIC Non-Real Time RAN Intelligent Controller
- Non-RT RIC with a relatively long control cycle (for example, 1 second or longer) issues guidelines, policies, guidance, etc. regarding the operation of each RAN node (O-CU and/or O-DU described later).
- Non-RT RIC executes application software called rApp and issues operating guidelines for each RAN node to Near-RT RIC (Near-Real Time RAN Intelligent Controller) through the A1 interface.
- Near-RT RIC with a relatively short control cycle (for example, less than 1 second) executes application software called xApp and communicates with each RAN node (O-CU/O-DU) itself and each RAN node through the E2 interface. Controls general-purpose hardware, etc. in the radio unit (O-RU) connected to the
- the illustrated RAN node has O-CU, which is an O-RAN-compliant central unit (CU), and/or O-DU, which is an O-RAN-compliant distributed unit (DU).
- O-CU which is an O-RAN-compliant central unit (CU)
- O-DU which is an O-RAN-compliant distributed unit (DU).
- CU central unit
- DU distributed unit
- Both O-CU and O-DU are responsible for baseband processing in O-RAN, but O-CU is provided on the core network side (not shown), and O-DU is a radio unit (RU : Radio Unit) is provided on the O-RU side.
- the O-CU may be divided into an O-CU-CP that configures the Control Plane (CP) and an O-CU-UP that configures the User Plane (UP).
- CP Control Plane
- UP User Plane
- the O-CU and O-DU may be integrally configured as one baseband processing unit.
- an O-eNB as a base station conforming to O-RAN and the fourth generation mobile communication system (4G) may be provided.
- One or more O-RUs are connected to each RAN node (O-CU/O-DU) and controlled by the Near-RT RIC via each RAN node.
- a communication device (UE: User Equipment) in a communication cell provided by each O-RU can be connected to each O-RU, and a core (not shown) is connected to each RAN node (O-CU/O-DU). Network and mobile communication can be performed.
- Each RAN node (O-CU/O-DU) and Near-RT RIC receive so-called FCAPS (Fault, Configuration, Accounting, Performance, Security) to SMO. Based on the operation data obtained through the O1 interface, the SMO updates, as necessary, the operating guidelines for each RAN node issued by the Non-RT RIC to the Near-RT RIC through the A1 interface.
- the O-RU may be connected for SMO and FCAPS via the O1 interface or other interfaces (Open Fronthaul (M-Plane), etc.).
- O-Cloud as a virtualization platform that virtually manages a set of multiple RAN nodes (O-CU/O-DU) is connected to SMO via the O2 interface. Based on the operating status of multiple RAN nodes (O-CU/O-DU) obtained from O-Cloud through the O2 interface, SMO provides resource allocation guidelines and workload management for resource allocation of the multiple RAN nodes. ) and issue it to the O-Cloud through the O2 interface.
- FIG. 2 schematically shows various functions realized by SMO and/or Non-RT RIC and O-Cloud.
- SMO mainly implements three functions: FOCOM (Federated O-Cloud Orchestration and Management), NFO (Network Function Orchestrator), and OAM Function.
- O-Cloud mainly implements two functions: IMS (Infrastructure Management Services) and DMS (Deployment Management Services).
- FOCOM manages resources in O-Cloud while receiving services from O-Cloud's IMS through the O2 interface (O2ims).
- NFO realizes cooperative operation of a set of network functions (NF) by multiple NF Deployments in O-Cloud while receiving services from DMS of O-Cloud through O2 interface (O2dms).
- NFOs may use OAM Functions to access deployed NFs through the O1 interface.
- the OAM Function is responsible for FCAPS management of O-RAN managed entities such as RAN nodes.
- the OAM Function in this embodiment monitors the procedures or procedures of O2ims and/or O2dms, and provides callbacks to receive data on failures and operational status of multiple RAN nodes virtually managed by O-Cloud. It can be a provided functional block.
- IMS is responsible for managing O-Cloud resources (hardware) and the software used to manage them, and mainly provides services to SMO's FOCOM.
- DMS is in charge of managing multiple NF Deployments in O-Cloud, specifically starting, monitoring, terminating, etc., and mainly provides services to SMO's NFOs.
- FIG. 3 is a functional block diagram schematically showing the radio access network control device 1 according to this embodiment.
- the radio access network control device 1 includes an operation status acquisition unit 11 , an operation data acquisition unit 12 , an operation guideline issuing unit 13 and a machine learning model storage unit 14 .
- These functional blocks are realized by cooperation of hardware resources such as processors such as the central processing unit of the computer, memory, input device, output device, peripheral devices connected to the computer, and software executed using them. Realized. Regardless of the type of computer or installation location, each of the above functional blocks may be implemented using the hardware resources of a single computer, or may be implemented by combining hardware resources distributed among multiple computers. .
- part or all of the functional blocks of the radio access network control device 1 may be realized by a processor provided in the SMO and/or Non-RT RIC, or It may be implemented in a distributed or centralized manner using an external computer or processor.
- the operation status acquisition unit 11 acquires the plurality of RAN nodes 21 through the O2 interface from O-Cloud as a virtualization platform 2 that virtually manages a set of a plurality of RAN nodes 21 to 2N (N is an integer equal to or greater than 2). Acquire up to 2N faults and operating status.
- resource usage and communication load conditions in each of the RAN nodes 21 to 2N are exemplified as the operating status that the operating status acquisition unit 11 can acquire from the O-Cloud.
- the operation status of these multiple RAN nodes 21 to 2N may be obtained from, for example, FOCOM realized by SMO and/or Non-RT RIC from IMS realized by O-Cloud through O2ims interface, or SMO and/or OAM Functions implemented in Non-RT RIC may be obtained from O-Cloud through the O2 interface.
- the operation data acquisition unit 12 obtains the operation data individually measured for each of the RAN nodes 21 to 2N from each of the RAN nodes 21 to 2N, each O-RU, Near-RT RIC as the node control unit 3, and the like via the O1 interface. etc.
- the operational data that the operational data acquisition unit 12 can individually acquire for each of the RAN nodes 21 to 2N are various data that can be detected by general mobile communication base stations. Communication speed, number and types of connected UEs (communication devices), strength and mode of communication radio waves from UEs, channel quality between UEs and O-RUs, coverage area of communication cells provided by O-RUs , available bandwidth, hardware performance and status of the RAN nodes 21 to 2N and O-RU, and the like.
- the operating guideline issuing unit 13 acquires the faults and operating statuses of the plurality of RAN nodes 21 to 2N acquired from the virtualization platform 2 by the operating status acquisition unit 11 through the O2 interface, and the operation data acquisition unit 12 acquires through the O1 interface, etc. Based on individual operation data for each RAN node 21-2N, to at least one of the virtualization infrastructure 2 and each RAN node 21-2N, an operation guideline regarding operation of each RAN node 21-2N is issued. .
- the operation guideline issuing unit 13 uses the traffic control guideline issuing unit 132 that issues a traffic control guideline for traffic control of each of the RAN nodes 21 to 2N as an example of the operating guideline to be issued to each of the RAN nodes 21 to 2N.
- the operation guideline issuing unit 13 and/or the traffic control guideline issuing unit 132 at least part of which is configured by Non-RT RIC, to the node control unit 3 configured by Near-RT RIC through the A1 interface. to issue operational and/or traffic control guidelines.
- the node control unit 3 controls each of the RAN nodes 21 to 2N through the E2 interface based on the operating policy and/or traffic control policy received through the A1 interface.
- the node control unit 3 guides UEs connected to the RAN node to other available RAN nodes.
- the RAN node itself and the O-RU connected to it provide traffic restriction processing such as limiting the communication speed and communication volume of UEs currently connected to the RAN node, and limiting the connection of new UEs to the RAN node. For UEs within a communication cell.
- the operation guideline issuing unit 13 issues the operation guideline including the aforementioned resource allocation guideline, load management guideline, and traffic control guideline.
- This machine learning model is based on the faults and operating statuses of the plurality of RAN nodes 21 to 2N acquired from the virtualization platform 2 by the operation status acquisition unit 11 through the O2 interface, and each model acquired by the operation data acquisition unit 12 through the O1 interface, etc.
- a set of performance guidelines can be derived from the individual performance data sets for the RAN nodes 21-2N.
- a machine learning model to which a set of operation status from the operation status acquisition unit 11 and operation data from the operation data acquisition unit 12 is input uses exhaustive training data or teacher data that associates input and output. Operation of resource allocation guidelines and load management guidelines issued to the virtualization platform 2 through the O2 interface, traffic control guidelines issued to each RAN node 21 to 2N, etc. Output a set of pointers.
- the machine learning model of the present embodiment outputs a set of inputs (operation status) from the virtualization platform 2 and inputs (operation data) from each of the RAN nodes 21 to 2N to the virtualization platform 2 ( resource allocation guidelines, load management guidelines, etc.) and outputs (traffic control guidelines, etc.) to each of the RAN nodes 21 to 2N.
- the input from the virtualization platform 2 is individually associated with the output to the virtualization platform 2
- the input from each RAN node 21 to 2N is individually associated with the output to each RAN node 21 to 2N.
- FIG. 4 is a flowchart showing an example of RAN control by the radio access network control device 1 according to this embodiment.
- "S" in the flow chart means step or process.
- the RAN control in this figure is executed when a new operation guideline is issued for the virtualization infrastructure 2 and each of the RAN nodes 21 to 2N, or when an event occurs in which updating of the issued operation guideline should be considered.
- the rApp executed by Non-RT RIC requests the SMO to collect the operating status from the virtualization platform 2.
- the Non-RT RIC transmits a resource usage acquisition request from the virtualization platform 2 (O-Cloud) through the SMO OAM Function (Fig. 2).
- the SMO OAM Function shares with Non-RT RIC the resource usage status acquired from the virtualization platform 2 through the O2 interface in response to the acquisition request in S2.
- S4 when Non-RT RIC identifies a service useful for formulating operation guidelines in virtualization platform 2 (O-Cloud), a subscription request is made to O-Cloud's IMS through the O2-IMS (O2ims) interface. to send.
- the IMS of the virtualization platform 2 discloses the operating status of the nodes on the O-Cloud to which the RAN nodes 21 to 2N are associated to the Non-RT RIC through the O2 interface.
- the Non-RT RIC functioning as the operation status acquisition unit 11 stores the information on the operation status provided by the virtualization platform 2 (O-Cloud) in S3 and S5 in the machine learning model storage unit 14. Save it in a form that can be input to the machine learning model that exists.
- the Non-RT RIC and/or SMO functioning as the operation data acquisition unit 12 obtains the operation data individually measured for each RAN node 21 to 2N through the O1 interface (more specific than the operation status saved in S6). information) is acquired and stored in a form that can be input to the machine learning model stored in the machine learning model storage unit 14 .
- the non-RT RIC-executed rApp functioning as the operation guideline issuing unit 13 stores the set of the operation status saved in S6 and the operation data saved in S7 in the machine learning model storage unit 14.
- the rApp executed by the Non-RT RIC functioning as the operation guideline issuing unit 13 sends the operation guideline derived by the machine learning model in S8 to the virtualization base 2 and/or each RAN node 21 to 2N. issue.
- Three specific examples of operation guidelines are shown below.
- the operation status saved in S6 detects that the operating rate of the O-Cloud resource is high, and the operation status saved in S6 and/or the operation data saved in S7 , it is detected that the UE using the resource (RAN nodes 21-2N and/or O-RU) is in a situation where other resources can be used.
- the rApp and/or Non-RT RIC functioning as the traffic control guideline issuing unit 132 distributes UE traffic from the RAN nodes 21 to 2N with relatively high operating rates to the RAN nodes 21 to 2N with relatively low operating rates. Issues a guiding traffic control guideline to the Near-RT RIC (node control unit 3) through the A1 interface.
- the operating status saved in S6 detects that the operating rate of the O-Cloud resource is high, and the operating status saved in S6 and/or the operating data saved in S7 , it is detected that the UE that is using the resource (RAN nodes 21-2N and/or O-RU) is in a situation where other resources cannot be used.
- the rApp and/or Non-RT RIC functioning as the resource allocation guideline issuing unit 131 issue a resource allocation guideline for additionally inputting resources to the RAN nodes 21 to 2N with relatively high operating rates. Issue to O-Cloud (virtualization platform 2) through O2 (O2dms) interface.
- the rApp and/or Non-RT RIC functioning as the traffic control guideline issuing unit 132 perform traffic control that guides UE traffic from the RAN nodes 21 to 2N with relatively low operating rates to other RAN nodes 21 to 2N.
- a guideline may be issued to the Near-RT RIC (node controller 3) through the A1 interface.
- the rApp and/or Non-RT RIC functioning as the resource allocation guideline issuing unit 131 reduce the resources of the RAN nodes 21-2N whose operation rate has become extremely low after the traffic has moved to other RAN nodes 21-2N.
- Near RT RIC (node control unit 3) provides feedback on operation guidelines such as traffic control guidelines issued in S9 to rApp and/or Non-RT RIC through O1 interface, etc., and/ Alternatively, the NFO and OAM Function in SMO send feedback from O-Cloud (virtualization platform 2) to operation guidelines such as resource allocation guidelines issued in S9 to rApp and/or Non-RT RIC via O2 interface provided through
- O-Cloud virtualization platform 2
- R1 interface connecting rApp and Non-RT RIC infrastructure is O-Cloud through O2-related services (for example, service to monitor O-Cloud resource usage status provided by IMS through O2ims interface) to allow subscriptions to
- the rApp in this case provides a mechanism of control or policy issuance for the O-Cloud nodes over the O2-DMS and/or O2-IMS interfaces through the SMO's NFO.
- R1 GAP specification supports various O2-related services (e.g., subscription to O-Cloud resource usage monitoring service provided by IMS through O2ims interface, O2 reconfiguration request for non-real-time optimization, etc.) ).
- O2-related services e.g., subscription to O-Cloud resource usage monitoring service provided by IMS through O2ims interface, O2 reconfiguration request for non-real-time optimization, etc.
- SMO's NFO and/or FOCOM should be able to support guideline issuance from Non-RT RIC for NF generation in O-Cloud's DMS.
- O2 termination is stipulated for policy management for DMS from rApp through SMO's NFO, mapping of O-Cloud nodes to E2 nodes (each RAN node 21-2N), etc.
- each device described in the embodiments can be realized by hardware resources or software resources, or by cooperation between hardware resources and software resources.
- Processors, ROMs, RAMs, and other LSIs can be used as hardware resources.
- Programs such as operating systems and applications can be used as software resources.
- Item 1 Acquiring the operating status of the plurality of radio access network nodes from a virtualization infrastructure that virtually manages a set of the plurality of radio access network nodes; obtaining measured performance data from each radio access network node; issuing an operation guideline regarding operation of each radio access network node to at least one of the virtualization infrastructure and each radio access network node based on the operation status and the operation data;
- a radio access network controller comprising at least one processor for executing Item 2: The radio access network controller according to item 1, wherein issuing the operation guideline includes issuing a resource allocation guideline regarding resource allocation of the plurality of radio access network nodes to the virtualization infrastructure.
- Item 3 Radio access network control according to item 1 or 2, wherein issuing the operating guideline includes issuing to each radio access network node a traffic control guideline for traffic control of each radio access network node.
- the radio access network controller according to any one of items 1 to 4.
- Item 6 Radio access network control according to any one of items 1 to 5, wherein obtaining the operational data includes the at least one processor obtaining the operational data from each radio access network node through an O1 interface.
- Item 8 The radio access network controller according to item 7, wherein the Near-RT RIC controls each radio access network node based on the operation guideline through an E2 interface.
- the at least one processor comprises a machine learning model capable of deriving the operating policy from the operating status and the operating data, Issuing the operating guidelines includes issuing the operating guidelines derived by the machine learning model, 9.
- a radio access network controller according to any one of items 1 to 8.
- Item 10 Acquiring the operation status of the plurality of radio access network nodes from a virtualization infrastructure that virtually manages a set of the plurality of radio access network nodes; obtaining measured performance data from each radio access network node; issuing an operation guideline regarding operation of each radio access network node to at least one of the virtualization infrastructure and each radio access network node based on the operation status and the operation data;
- a radio access network control method comprising: Item 11: Acquiring the operation status of the plurality of radio access network nodes from a virtualization infrastructure that virtually manages a set of the plurality of radio access network nodes; obtaining measured performance data from each radio access network node; issuing an operation guideline regarding operation of each radio access network node to at least one of the virtualization infrastructure and each radio access network node based on the operation status and the operation data;
- a storage medium storing a radio access network control program that causes a computer to execute
- the present disclosure relates to radio access network control by virtualization infrastructure and radio access network nodes.
- Radio access network control device 2 virtualization infrastructure, 3 node control unit, 11 operation status acquisition unit, 12 operation data acquisition unit, 13 operation guideline issuing unit, 14 machine learning model storage unit, 21 to 2N RAN nodes, 131 resources Distribution guideline issuing unit, 132 traffic control guideline issuing unit.
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Abstract
Description
複数の無線アクセスネットワークノードの集合を仮想的に管理する仮想化基盤から、当該複数の無線アクセスネットワークノードの稼働状況を取得することと、
前記各無線アクセスネットワークノードから、測定された稼働データを取得することと、
前記稼働状況および前記稼働データに基づいて、前記仮想化基盤および前記各無線アクセスネットワークノードの少なくともいずれかに対して、当該各無線アクセスネットワークノードの稼働に関する稼働指針を発行することと、
を実行する少なくとも一つのプロセッサを備える無線アクセスネットワーク制御装置。
項目2:
前記稼働指針を発行することは、前記仮想化基盤に対して、前記複数の無線アクセスネットワークノードのリソース配分に関するリソース配分指針を発行することを含む、項目1に記載の無線アクセスネットワーク制御装置。
項目3:
前記稼働指針を発行することは、前記各無線アクセスネットワークノードに対して、当該各無線アクセスネットワークノードのトラフィック制御に関するトラフィック制御指針を発行することを含む、項目1または2に記載の無線アクセスネットワーク制御装置。
項目4:
前記少なくとも一つのプロセッサは、Non-RT RIC(Non-Real Time RAN Intelligent Controller)によって構成される、項目1から3のいずれかに記載の無線アクセスネットワーク制御装置。
項目5:
前記稼働状況を取得することは、前記少なくとも一つのプロセッサが、O2インターフェースを通じて前記仮想化基盤から前記稼働状況を取得することを含み、
前記稼働指針を発行することは、前記少なくとも一つのプロセッサが、前記O2インターフェースを通じて前記仮想化基盤に対して前記稼働指針を発行することを含む、
項目1から4のいずれかに記載の無線アクセスネットワーク制御装置。
項目6:
前記稼働データを取得することは、前記少なくとも一つのプロセッサが、O1インターフェースを通じて前記各無線アクセスネットワークノードから前記稼働データを取得することを含む、項目1から5のいずれかに記載の無線アクセスネットワーク制御装置。
項目7:
前記稼働指針を発行することは、前記少なくとも一つのプロセッサが、A1インターフェースを通じてNear-RT RIC(Near-Real Time RAN Intelligent Controller)に対して前記稼働指針を発行することを含む、項目1から6のいずれかに記載の無線アクセスネットワーク制御装置。
項目8:
前記Near-RT RICは、E2インターフェースを通じて前記稼働指針に基づいて前記各無線アクセスネットワークノードを制御する、項目7に記載の無線アクセスネットワーク制御装置。
項目9:
前記少なくとも一つのプロセッサは、前記稼働状況および前記稼働データから前記稼働指針を導出可能な機械学習モデルを備え、
前記稼働指針を発行することは、前記機械学習モデルが導出した前記稼働指針を発行することを含む、
項目1から8のいずれかに記載の無線アクセスネットワーク制御装置。
項目10:
複数の無線アクセスネットワークノードの集合を仮想的に管理する仮想化基盤から、当該複数の無線アクセスネットワークノードの稼働状況を取得することと、
前記各無線アクセスネットワークノードから、測定された稼働データを取得することと、
前記稼働状況および前記稼働データに基づいて、前記仮想化基盤および前記各無線アクセスネットワークノードの少なくともいずれかに対して、当該各無線アクセスネットワークノードの稼働に関する稼働指針を発行することと、
を備える無線アクセスネットワーク制御方法。
項目11:
複数の無線アクセスネットワークノードの集合を仮想的に管理する仮想化基盤から、当該複数の無線アクセスネットワークノードの稼働状況を取得することと、
前記各無線アクセスネットワークノードから、測定された稼働データを取得することと、
前記稼働状況および前記稼働データに基づいて、前記仮想化基盤および前記各無線アクセスネットワークノードの少なくともいずれかに対して、当該各無線アクセスネットワークノードの稼働に関する稼働指針を発行することと、
をコンピュータに実行させる無線アクセスネットワーク制御プログラムを記憶している記憶媒体。
Claims (11)
- 複数の無線アクセスネットワークノードの集合を仮想的に管理する仮想化基盤から、当該複数の無線アクセスネットワークノードの稼働状況を取得することと、
前記各無線アクセスネットワークノードから、測定された稼働データを取得することと、
前記稼働状況および前記稼働データに基づいて、前記仮想化基盤および前記各無線アクセスネットワークノードの少なくともいずれかに対して、当該各無線アクセスネットワークノードの稼働に関する稼働指針を発行することと、
を実行する少なくとも一つのプロセッサを備える無線アクセスネットワーク制御装置。 - 前記稼働指針を発行することは、前記仮想化基盤に対して、前記複数の無線アクセスネットワークノードのリソース配分に関するリソース配分指針を発行することを含む、請求項1に記載の無線アクセスネットワーク制御装置。
- 前記稼働指針を発行することは、前記各無線アクセスネットワークノードに対して、当該各無線アクセスネットワークノードのトラフィック制御に関するトラフィック制御指針を発行することを含む、請求項1に記載の無線アクセスネットワーク制御装置。
- 前記少なくとも一つのプロセッサは、Non-RT RIC(Non-Real Time RAN Intelligent Controller)によって構成される、請求項1に記載の無線アクセスネットワーク制御装置。
- 前記稼働状況を取得することは、前記少なくとも一つのプロセッサが、O2インターフェースを通じて前記仮想化基盤から前記稼働状況を取得することを含み、
前記稼働指針を発行することは、前記少なくとも一つのプロセッサが、前記O2インターフェースを通じて前記仮想化基盤に対して前記稼働指針を発行することを含む、
請求項1に記載の無線アクセスネットワーク制御装置。 - 前記稼働データを取得することは、前記少なくとも一つのプロセッサが、O1インターフェースを通じて前記各無線アクセスネットワークノードから前記稼働データを取得することを含む、請求項1に記載の無線アクセスネットワーク制御装置。
- 前記稼働指針を発行することは、前記少なくとも一つのプロセッサが、A1インターフェースを通じてNear-RT RIC(Near-Real Time RAN Intelligent Controller)に対して前記稼働指針を発行することを含む、請求項1に記載の無線アクセスネットワーク制御装置。
- 前記Near-RT RICは、E2インターフェースを通じて前記稼働指針に基づいて前記各無線アクセスネットワークノードを制御する、請求項7に記載の無線アクセスネットワーク制御装置。
- 前記少なくとも一つのプロセッサは、前記稼働状況および前記稼働データから前記稼働指針を導出可能な機械学習モデルを備え、
前記稼働指針を発行することは、前記機械学習モデルが導出した前記稼働指針を発行することを含む、
請求項1に記載の無線アクセスネットワーク制御装置。 - 複数の無線アクセスネットワークノードの集合を仮想的に管理する仮想化基盤から、当該複数の無線アクセスネットワークノードの稼働状況を取得することと、
前記各無線アクセスネットワークノードから、測定された稼働データを取得することと、
前記稼働状況および前記稼働データに基づいて、前記仮想化基盤および前記各無線アクセスネットワークノードの少なくともいずれかに対して、当該各無線アクセスネットワークノードの稼働に関する稼働指針を発行することと、
を備える無線アクセスネットワーク制御方法。 - 複数の無線アクセスネットワークノードの集合を仮想的に管理する仮想化基盤から、当該複数の無線アクセスネットワークノードの稼働状況を取得することと、
前記各無線アクセスネットワークノードから、測定された稼働データを取得することと、
前記稼働状況および前記稼働データに基づいて、前記仮想化基盤および前記各無線アクセスネットワークノードの少なくともいずれかに対して、当該各無線アクセスネットワークノードの稼働に関する稼働指針を発行することと、
をコンピュータに実行させる無線アクセスネットワーク制御プログラムを記憶している記憶媒体。
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