WO2018134684A1 - 无线接入网中用于网络切片的资源分配方法和编排器 - Google Patents
无线接入网中用于网络切片的资源分配方法和编排器 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000013468 resource allocation Methods 0.000 title claims abstract description 12
- 238000004891 communication Methods 0.000 claims description 5
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- 239000000969 carrier Substances 0.000 description 1
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- 238000001228 spectrum Methods 0.000 description 1
Classifications
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45533—Hypervisors; Virtual machine monitors
- G06F9/45558—Hypervisor-specific management and integration aspects
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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
- H04L41/40—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks using virtualisation of network functions or resources, e.g. SDN or NFV entities
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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
- H04L41/50—Network service management, e.g. ensuring proper service fulfilment according to agreements
- H04L41/5003—Managing SLA; Interaction between SLA and QoS
- H04L41/5019—Ensuring fulfilment of SLA
- H04L41/5025—Ensuring fulfilment of SLA by proactively reacting to service quality change, e.g. by reconfiguration after service quality degradation or upgrade
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/18—Selecting a network or a communication service
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/02—Selection of wireless resources by user or terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45533—Hypervisors; Virtual machine monitors
- G06F9/45558—Hypervisor-specific management and integration aspects
- G06F2009/45595—Network integration; Enabling network access in virtual machine instances
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
- H04W16/10—Dynamic resource partitioning
Definitions
- the present invention relates to network slicing in a wireless network, and more particularly to a method and apparatus for network slicing in a Radio Access Network (RAN).
- RAN Radio Access Network
- network slicing is a hot topic in the 3rd Generation Partnership Project (3GPP) discussion on fifth-generation mobile communications (5G).
- 3GPP 3rd Generation Partnership Project
- network slicing is the most discussed technique.
- Network operators such as KT, SK Telecom, China Mobile, DT, KDDI, NTT, and other vendors such as Ericsson, Nokia, and Huawei believe that network slicing is the ideal network architecture for the 5G era.
- This new technology allows operators to segment multiple virtual end-to-end networks in a single hardware infrastructure. Each network slice is logically isolated from the device to the access network to the transport network to the core network. Different feature requirements for type business.
- mobile networks are mainly mobile phones, and generally only do some optimization for mobile phones.
- mobile networks needed to serve devices of all types and needs.
- More application scenarios include mobile broadband, large-scale Internet of Things, and mission-critical IoT. They all need different types of networks, with different requirements in terms of mobility, billing, security, policy control, latency, reliability, and more.
- a large-scale IoT service connects fixed sensors to measure temperature, humidity, and rainfall. There is no need for switching, location updates, etc. for those major service phones in the mobile network.
- mission-critical IoT services such as autonomous driving and remotely controlled robots require a few seconds of end-to-end latency, which is quite different from mobile broadband services.
- a solution for establishing a resource model for network slicing is provided. Specifically, the static correspondence/mapping relationship between the hardware/radio resources and the base station is broken, and the hardware/radio resources originally corresponding to different base stations, such as the radio access network virtual network function (RAN VNF), the baseband unit (BBU), The radio head (RRH) and antennas will be organized and reported to the orchestrator as a whole and dynamic hardware/wireless resource pool, with the orchestrator centralizing all hardware/radio resources in the pool. Fully utilize and dynamically coordinate all of these hardware/radio resources based on the different needs of the network slice.
- RAN VNF radio access network virtual network function
- BBU baseband unit
- RRH radio head
- a resource allocation method for a network slice including: uniformly integrating a resource that is originally statically bound to a base station into a dynamic resource pool; and the organizer according to the requirements of different network slices Allocating resources for the network slice in the dynamic resource pool.
- the step a further includes: when a new resource is available to the dynamic resource pool, reporting by the network device where the new resource is located to the network side; updating based on the report The dynamic resource pool.
- step b resources serving different service types in the dynamic resource pool are allocated independently of each other.
- the resource comprises at least one of the following: a virtual network function (VNF), a baseband unit (BBU), a radio head (RRH), and an antenna.
- VNF virtual network function
- BBU baseband unit
- RRH radio head
- the method is for network slicing of a radio access network.
- an apparatus in a wireless network, including: a first unit, configured to uniformly integrate resources originally statically bound to a base station into a dynamic resource pool; The need for different network slices to allocate resources for the network slice from the dynamic resource pool.
- the first unit is further configured to: when a new resource is available to the dynamic resource pool, obtain a report initiated by the network device where the new resource is located to the network side; The report updates the dynamic resource pool.
- the second unit is further configured to allocate resources serving different service types in the dynamic resource pool independently of each other.
- the resource comprises at least one of the following: a virtual network function, a baseband unit, a radio remote head, and an antenna.
- the organizer is for network slicing of a radio access network.
- a wireless network comprising the organizer of any of the preceding claims.
- the method and apparatus of the disclosed embodiments enable the orchestrator to manage and make full use of hardware resources and radio resources based on different requirements of each network slice by modeling hardware resources and wireless resources. This makes network slicing of the radio access network feasible. At the same time, the load caused by network planning will be significantly reduced, saving the processing power of network equipment.
- FIG. 1 illustrates a flow chart of a resource allocation method for network slicing according to an embodiment of the present disclosure
- FIG. 2 shows a block diagram of an orchestrator for network slicing in accordance with an embodiment of the present disclosure
- Figure 3 illustrates a model established for RAN VNF resources in accordance with an embodiment of the present disclosure
- FIG. 4 illustrates a model established for BBU resources in accordance with an embodiment of the present disclosure
- FIG. 5 illustrates a model established for RRH resources in accordance with an embodiment of the present disclosure
- FIG. 6 illustrates an embodiment in accordance with the present disclosure. a model built for antenna resources; a flow chart for creating a network slice;
- Figure 8a is an example of allocating resources from a dynamic resource pool in accordance with an embodiment of the present disclosure
- Figure 8b is another example of allocating resources from a dynamic resource pool in accordance with an embodiment of the present disclosure.
- eMBB Enhanced Mobile Broadband
- mMTC Large Scale Internet of Things
- uRLLC High Reliability and Low Latency Communication
- basic coverage signaling there are huge differences between these four service characteristics.
- the occupancy of resources is very different, so splitting the required resources into separate shards and managing each shard individually will maximize the individual needs of each business.
- the following four typical radio resources are mainly introduced. Those skilled in the art understand that other radio resources and hardware resources can also perform similar model establishment and unified management and allocation in this manner.
- the four exemplary radio resources are: RAN VNF resource, BBU resource, RRH resource, and antenna resource. These resources are also referred to as RAN VNF (or VNF), BBU, RRH, and antenna without any ambiguity.
- FIG. 1 illustrates a resource allocation method for network slicing according to the present disclosure.
- a brief flow chart This method is typically used for network slicing of a radio access network, thereby filling the gaps left in the prior art by focusing only on the core network.
- step S1 the resources that are originally statically bound to the base station are uniformly included in the dynamic resource pool.
- Resources referred to herein include, but are not limited to, the aforementioned hardware and/or wireless resources, such as one or more of the four examples described above.
- step S2 resources are allocated for the network slice from the dynamic resource pool by the orchestrator according to the needs of different network slices.
- different network slices may refer to at least one of the following: network slice for enhancing mobile broadband, network slice for large-scale Internet of things, network slice for high reliability low-latency communication, and for A network slice of the base coverage signaling.
- Figure 3-1 shows a model built for four wireless resources. Among them, Figure 3 shows the model for RAN VNF resources.
- the following parameters need to be defined for each type of service supported by the VNF resource (one network slice respectively): the maximum number of users, the maximum amount of data at the time of busy, and the maximum number of VNF instances.
- the following parameters and information need to be defined for each type of service supported by the BBU resource (one network slice respectively): Supported wireless access technologies (such as 2G, 3G, 4G or 5G), corresponding services The number of BBU nodes required.
- Supported wireless access technologies such as 2G, 3G, 4G or 5G
- corresponding services The number of BBU nodes required.
- RRH resources are very relevant to the user's spectrum planning. Therefore, when reporting on the RRH resource node, you need to report their respective attributes, for example: the type of radio access technology that each RRH can support (2G/3G/4G/5G, etc.), the supported frequency bands, frequency points, bandwidth, and The number of antennas, as well as the maximum number of carriers that each RRH can support. In addition, the RRH can also report the types of services that it can support.
- Antenna resources often have a certain degree of coupling with RRH resources.
- the antenna resources that can be used first are limited to the physical connection between the antenna and the RRH. Therefore, the uplink information of the antenna node needs to include the RRH ID that can be connected, and also the frequency band and frequency that it supports. Point, bandwidth and number of antennas, etc.
- the organizer 4 includes a first unit 42 and a second unit 44.
- the first unit 42 is configured to uniformly integrate the resources that are statically bound to the base station into the dynamic resource pool, corresponding to the content of step S1 of the method shown in FIG. 1; the second unit 44 is configured to meet the needs of different network slices. Allocating resources for the network slice from the dynamic resource pool corresponds to the content of step S2 of the method shown in FIG.
- the first unit 42 is further configured to: when a new resource is available to the dynamic resource pool, obtain a report initiated by the network device where the new resource is located to the network side, and update the network device according to the Dynamic resource pool.
- the flow chart specifically, it is embodied in the automatic orchestration of hardware and / or wireless resources, reflecting the plug and play.
- a user for example, an operator
- the user may first arrange/add such a hardware/radio resource node in step S10, and after the device is opened, pass through S12.
- the user enters business requirements (such as the maximum number of users, the maximum amount of data at the time of busy, etc.) to the organizer 4.
- Orchestrator 4 combines the business requirements from the operator with the reports from the resource nodes, centrally orchestrating All resources, making full use of all hardware and / or wireless resources, fully reduce the burden of network planning.
- FIGs 8a and 8b two different examples of allocating resources from a centralized dynamic resource pool are shown, where the elliptic curve is drawn from some kind of wireless resource from a resource node. It can be seen that in different examples (for example, based on configuration from the operator and/or reporting from network nodes), the actual resources corresponding to the network slice become very flexible. As an example, in Figure 8a, three sets of resources, VNF2, BBU node 1, RRU3 and Ant3, are allocated to the eMBB network slice, while VNF1 and BBU node 2 are assigned to the other three types of services, respectively. In Figure 8b, the relationship between resource nodes and network slices is reconstructed and updated due to changes in resource requirements, attribute reports, etc., allowing resources to be utilized to the fullest extent.
- computer device refers to an intelligent electronic device that can perform predetermined processing procedures such as numerical calculations and/or logical calculations by running predetermined programs or instructions, which may include a processor.
- the processor executes a pre-stored instruction stored in the memory to execute a predetermined process, or performs a predetermined process by hardware such as an ASIC, an FPGA, a DSP, or the like, or a combination of the two.
- Computer equipment includes, but is not limited to, servers, personal computers, laptops, tablets, smartphones, and the like.
- the computer device includes a user device and a network device.
- the user equipment includes, but is not limited to, a computer, a smart phone, a PDA, etc.
- the network device includes but is not limited to a single network server, a server group composed of multiple network servers, or a cloud computing system based on a large number of computers. Or a cloud composed of a network server, wherein cloud computing is a kind of distributed computing, a super virtual computer composed of a group of loosely coupled computers.
- the computer device can be operated separately to implement the present invention, and can also access the network and pass through with the network
- the interactive operation of his computer equipment implements the present invention.
- the network in which the computer device is located includes, but is not limited to, the Internet, a wide area network, a metropolitan area network, a local area network, a VPN network, and the like.
- the user equipment, the network equipment, the network, and the like are only examples, and other existing or future computer equipment or networks may be included in the scope of the present invention, and It is included here by reference.
- the present invention can be implemented in software and/or a combination of software and hardware.
- the various devices of the present invention can be implemented using an application specific integrated circuit (ASIC) or any other similar hardware device.
- the software program of the present invention may be executed by a processor to implement the steps or functions described above.
- the software program (including related data structures) of the present invention can be stored in a computer readable recording medium such as a RAM memory, a magnetic or optical drive or a floppy disk and the like.
- some of the steps or functions of the present invention may be implemented in hardware, for example, as a circuit that cooperates with a processor to perform various steps or functions.
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Abstract
一种用于网络切片的资源分配方法和编排器,包括:将原本与基站静态绑定的资源统一纳入动态资源池;由编排器根据不同网络切片的需求,来从所述动态资源池中为所述网络切片分配资源。由此,硬件/无线资源与基站之间的静态的对应/映射关系被打破,原本对应于不同基站的硬件/无线资源节点如无线接入网虚拟网络功能(RANVNF)、BBU、RRH和天线等将被作为一个整体的和动态的硬件/无线资源池进行组织并报告给编排器,由编排器来集中化管理这个池中的全部硬件/无线资源单元,进而根据网络切片的不同需求来充分利用、动态编排所有这些硬件/无线资源。
Description
无线接入网中用于网络切片的资源分配方法和编排器 技术领域
本发明涉及无线网络中的网络切片,尤其涉及在无线接入网(RAN) 中用于网络切片的方法和设备。 背景技术
如今, 在第三代合作伙伴计划 (3GPP )关于第五代移动通信 (5G) 的讨论中, 网络切片是一个非常热门的话题。 当 5G被广泛提及的时 候, 网络切片是其中讨论最多的技术。 像 KT、 SK Telecom, China Mobile、 DT、 KDDI、 NTT等网络运营商, 以及 Ericsson、 Nokia 、 Huawei 等设备商都认为网络切片是 5G 时代的理想网络架构。 这个 新技术可以让运营商在一个硬件基础设施切分出多个虚拟的端到端 网络, 每个网络切片从设备到接入网到传输网再到核心网在逻辑上隔 离, 适配各种类型业务的不同特征需求。
从以往到目前的 4G 网络, 移动网络主要 务移动手机, 一般来 说只为手机做一些优化。 然而在 5G时代, 移动网络需要服务各种类 型和需求的设备。 大家提的比较多的应用场景包括移动宽带、 大规模 物联网、任务关键的物联网。他们都需要不同类型的网络,在移动性、 计费、 安全、 策略控制、 延时、 可靠性等方面有各不相同的要求。 例 如一个大规模物联网业务连接固定传感器测量温度、湿度、降雨量等。 不需要移动网络中那些主要服务手机的切换、 位置更新等特性。 另外 像自动驾驶以及远程控制机器人等任务关键的物联网业务需要几亳 秒的端到端延时, 这就和移动宽带业务大不相同。
对于每一个网络切片, 像虚拟服务器、 网络带宽、 业务质量等专 属资源都得到充分保证。 由于切片之间相互隔离, 所以一个切片的错 误或故障不会影响到其它切片的通信。
传统的硬件和无线接入网络设备诸如基带单元 (BBU ) 、 射频拉 远头 (RRH ) 和天线必须归属于某个基站, 这种存在于硬件 /无线资 源与基站之间的静态的映射关系难以实现 5G网络切片的重要特性, 包括但不限于网络切片的动态创建、 更新和移除。 与此同时, 这种静 态的映射关系也无法充分利用上述的硬件和无线资源。 此外, 由于这 种静态的映射关系的存在, 网络规划 (network planning )所带来的工 作负荷非常高。
截至目前, 对于网络切片的讨论还仅限于核心网, 鲜有对无线接 入网的网络切片的关注, 这一问题又突出体现在缺少实用的方案来建 立硬件和 /或无线资源的模型作为编排器 ( orchestrator ) 的输入。 发明内容
鉴于现有技术中存在的上述问题, 根据本发明的实施例, 提供了 通过针对网络切片建立资源模型的解决方案。具体地,硬件 /无线资源 与基站之间的静态的对应 /映射关系被打破,原本对应于不同基站的硬 件 /无线资源例如无线接入网虚拟网络功能(RAN VNF)、 基带单元 (BBU)、 射频拉远头(RRH)和天线等将被作为一个整体的和动态的硬 件 /无线资源池进行组织并报告给编排器,由编排器来集中化管理这个 池中的全部硬件 /无线资源,进而根据网络切片的不同需要来充分利用、 动态协调所有这些硬件 /无线资源。
根据本发明的一个方面, 提供了一种用于网络切片的资源分配方 法, 包括: 将原本与基站静态绑定的资源统一纳入动态资源池; 由编 排器根据不同网络切片的需求, 来从所述动态资源池中为所述网络切 片分配资源。
根据该第一方面的具体实施例, 步骤 a还包括: 当有新的资源可 用于所述动态资源池时, 由所述新的资源所在的网络设备向网络侧发 起汇报; 基于所述汇报更新所述动态资源池。
根据该第一方面的具体实施例, 在步骤 b中, 所述动态资源池中 服务于不同业务类型的资源被相互独立地分配。
才艮据该第一方面的具体实施例, 所述资源包括以下各项中的至少 一项: 虚拟网络功能( VNF )、基带单元 (BBU)、 射频拉远头(RRH ) 和天线。
才艮据该第一方面的具体实施例, 该方法用于无线接入网的网络切 片。
根据本发明公开的第二方面, 提供了一种无线网络中的编排器, 包括: 第一单元, 配置为将原本与基站静态绑定的资源统一纳入动态 资源池; 第二单元, 配置为根据不同网络切片的需求, 来从所述动态 资源池中为所述网络切片分配资源。
根据该第二方面的具体实施例, 第一单元还配置为: 当有新的资 源可用于所述动态资源池时, 获得所述新的资源所在的网络设备向网 络侧发起的汇报; 基于所述汇报更新所述动态资源池。
根据该第二方面的具体实施例, 第二单元还配置为, 将所述动态 资源池中服务于不同业务类型的资源相互独立地分配。
才艮据该第二方面的具体实施例, 所述资源包括以下各项中的至少 一项: 虚拟网络功能、 基带单元、 射频拉远头和天线。
根据该第二方面的具体实施例, 该编排器用于无线接入网的网络 切片。
根据本发明公开的第三方面, 提供了一种无线网络, 包括前面任 一项所述的编排器。
与现有技术相比, #居本发明公开的实施例的方法和设备通过对 硬件资源和无线资源建立模型, 使编排器得以基于各个网络切片的不 同需求来管理和充分利用硬件资源和无线资源, 这使得无线接入网的 网络切片变得可行。 与此同时, 由网络规划所导致的负荷也会显著降 低, 节约了网络设备的处理能力等。 附图说明
通过阅读以下参照附图所作的对非限制性实施例所作的详细描述, 本发明的其它特征、 目的和优点将会变得更明显:
图 1 示出了根据本发明公开的实施例的用于网络切片的资源分 配方法流程图;
图 2 示出了根据本发明公开的实施例的用于网络切片的编排器 的模块框图;
图 3示出了才 据本发明公开的实施例的为 RAN VNF资源建立的 模型;
图 4示出了根据本发明公开的实施例为 BBU资源建立的模型; 图 5示出了根据本发明公开的实施例为 RRH资源建立的模型; 图 6示出了根据本发明公开的实施例为天线资源建立的模型; 创建网络切片的流程图;
图 8a为根据本发明公开的实施例从动态资源池中分配资源的一 个例子;
图 8b为根据本发明公开的实施例从动态资源池中分配资源的另 一个例子;
附图中相同或相似的附图标记代表相同或相似的部件。 具体实施方式
以 eMBB (增强移动宽带)、 mMTC (大规模物联网)、 uRLLC (高可 靠性低延时通信)和基础覆盖的信令为例, 这四种业务特性之间存在 着巨大的差异, 它们对于资源的占用情况迥异, 因此, 将需要的资源 切分为单独的分片并单独地管理每一个分片将可以最大化满足每种 业务的个性需求。 本发明公开中的上下文的例子中, 主要涉及以下 4 种典型的无线资源进行介绍, 本领域技术人员理解, 其它无线资源和 硬件资源也可按此方式进行类似的模型建立和统一管理和分配。
这四种示例性的无线资源分别是: RAN VNF资源, BBU资源, RRH 资源, 天线资源, 在不造成歧义的前提下, 这些资源也简称为 RAN VNF (或 VNF ), BBU, RRH和天线。
图 1示出了根据本发明公开的一种用于网络切片的资源分配方法
的简要流程图。 该方法典型地用于无线接入网的网络切片, 从而填补 了现有技术中因只关注核心网而留下的空白。
其中, 在步骤 S1 中, 将原本与基站静态绑定的资源统一纳入动 态资源池。 这里所称的资源包括但不限于前述的硬件和 /或无线资源, 其中无线资源例如上述的四个例子中的一项或多项。
在步骤 S2中, 由编排器根据不同网络切片的需要, 来从所述动态 资源池中为所述网络切片分配资源。 其中, 不同网络切片可以指以下各 项中的至少一项: 用于增强移动宽带的网络切片、 用于大规模物联网的 网络切片、 用于高可靠性低延时通信的网络切片及用于基础覆盖的信令 的网络切片。
图 3- 6示出了为 4种无线资源建立的模型。其中,图 3示出了为 RAN VNF资源的模型
VNF资源的模型中, 需要为 VNF资源所支持的每一种业务(分别 对应一种网络切片)定义以下参数: 最大用户数量、 忙时的最大数据量 和 VNF实例的最大数量。
BBU资源的模型
BBU资源的模型中, 需要为 BBU资源所支持的每一种业务(分别 对应一种网络切片)定义以下参数、 信息: 支持的无线接入技术(例如 2G, 3G,4G或 5G )、 相应业务所需的 BBU节点的数量。
RRH资源的模型
RRH资源的使用与用户的频谱规划十分相关。 因此, 在 RRH资源 节点上报时, 需要先上报各自的属性, 比如: 每个 RRH可支持的无线 接入技术类型( 2G/3G/4G/5G等), 各自支持的频段、 频点、 带宽和天线 数目, 还有每个 RRH可以支持的最大载波个数等等。 另外, RRH也可 以上报自己可支持的业务类型。
天线资源的模型
天线资源很多时候和 RRH 资源有一定的耦合度。 首先可使用的天 线资源, 受限于天线与 RRH 的物理连接, 所以, 在天线节点的上艮信 息中需要包含其可连接的 RRH ID, 另外也要标示自己支持的频段、 频
点、 带宽和天线数目等。
需要注意,不同的网络切片可能会映射到相同的 RAN VNFM,也可 以映射到不同的 RAN VNF, 具体由编排器结合部署需求和 VNF的最大 处理能力决定。。
上述的各种信息的报告可以发生在图 1所示的步骤 S1中。
图 2示出了一种根据本发明公开的实施例的用于网络切片的编排器 4的简要的模块化框图。 如图所示, 编排器 4包括第一单元 42和第二单 元 44。 其中, 第一单元 42配置为将原本与基站静态绑定的资源统一纳 入动态资源池, 对应于图 1所示方法的步骤 S1的内容; 第二单元 44配 置为根据不同网络切片的需要, 来从所述动态资源池中为所述网络切片 分配资源, 对应于图 1所示方法的步骤 S2的内容。
其中, 第一单元 42还配置为: 当有新的资源可用于所述动态资源 池时, 获得所述新的资源所在的网络设备向网络侧发起的汇报, 以及基 于所述汇艮更新所述动态资源池。 的流程图, 具体地, 它体现为硬件和 /或无线资源的自动编排, 体现即 插即用。
基于结合流程图 1及图 3- 6所示的各种资源的模型, 当有新的资 源节点(即,提供新的硬件和 /或无线资源的设备)加入到网络中(S10 和 S12 ), 需要根据图 3-图 6所示的内容向编排器汇报其 RAN VNF, BBU, RRH, 天线等资源中至少一项的能力和属性 (S14 )。基于来自 RAN的上述汇报, 编排器(同见图 1、 图 2所作的相关描述)得以更 新动态资源池中的各类资源的信息, 从而统一管理和充分利用所有硬 件和 /或无线资源, 并实现网络切片 (S16, S2 )。
因此, 当用户 (例如运营商) 因业务发展需要增加一种新的网络 切片类型, 用户可以先在步骤 S10中布置 /添加这样的硬件 /无线资源 节点, 在设备打开后, 通过 S12中的即插即用步骤, 用户向编排器 4 输入业务需求 (例如最大用户数、 忙时的最大数据量等)。 编排器 4 会将来自运营商的业务需求和来自资源节点的汇报合并, 集中地编排
所有资源, 充分利用所有的硬件和 /或无线资源, 充分降低网络规划的 负担。
图 8a和 8b中, 两种不同的从集中化的动态资源池中分配资源的 例子被示出, 其中椭圆型曲线所划出的是来自一个资源节点的某种无 线资源。 可见, 在不同的例子中 (例如, 根据来自运营商的配置和 / 或来自网络节点的汇报), 网络切片所对应的实际资源变得十分灵活。 作为一个例子, 在图 8a中, VNF2, BBU节点 1, RRU3和 Ant3这三 组资源被分配给 eMBB 网络切片, 而 VNF1和 BBU节点 2则分别被 分配给其它三个类型的业务共用。 而到了图 8b 中, 由于资源需求、 属性汇报等的变化, 这种资源节点与网络切片之间的关系被重建和更 新, 使得资源得以被最充分地利用。
应当注意, 本发明公开中, 一些示例性实施例被描述成作为流程图描 绘的处理或方法。 虽然流程图将各项操作描述成顺序的处理, 但是其中的 许多操作可以被并行地、 被并发地或者同时被实施。 此外, 各项操作的顺 序可以被重新安排。 当其操作完成时, 所述处理可以被终止, 但是还可以 具有未包括在附图中的附加步骤。 另外, 所述处理可以对应于方法、 函数、 规程、 子例程、 子程序等等。
在上下文中所称"计算机设备", 也可以称为"电脑", 是指可以通过运 行预定程序或指令来执行数值计算和 /或逻辑计算等预定处理过程的智能 电子设备, 其可以包括处理器与存储器, 由处理器执行在存储器中预存的 存续指令来执行预定处理过程, 或是由 ASIC、 FPGA、 DSP等硬件执行预 定处理过程, 或是由上述二者组合来实现。 计算机设备包括但不限于服务 器、 个人电脑、 笔记本电脑、 平板电脑、 智能手机等。
所述计算机设备包括用户设备与网络设备。 其中, 所述用户设备包括 但不限于电脑、 智能手机、 PDA等; 所述网络设备包括但不限于单个网络 服务器、多个网络服务器组成的服务器组或基于云计算( Cloud Computing ) 的由大量计算机或网络服务器构成的云, 其中, 云计算是分布式计算的一 种, 由一群松散耦合的计算机集组成的一个超级虚拟计算机。 其中, 所述 计算机设备可单独运行来实现本发明, 也可接入网络并通过与网络中的其
他计算机设备的交互操作来实现本发明。 其中, 所述计算机设备所处的网 络包括但不限于互联网、 广域网、 城域网、 局域网、 VPN网络等。
需要说明的是, 所述用户设备、 网络设备和网络等仅为举例, 其他现 有的或今后可能出现的计算机设备或网络如可适用于本发明, 也应包含在 本发明保护范围以内, 并以引用方式包含于此。
后面所讨论的方法(其中的一些是通过流程图示出的)通常可以通过 硬件、 软件、 固件、 中间件、 微代码、 硬件描述语言或者其任意组合来实 施。 当用软件、 固件、 中间件或微代码来实施时, 用以实施必要任务的程 序代码或代码段可以被存储在机器或者计算机可读介质 (比如存储介质) 中。 (一个或多个) 处理器可以实施必要的任务。
这里所公开的具体结构以及功能细节仅仅是代表性的, 并且是用于描 述本发明的示例性实施例的目的。 但是本发明可以通过许多替换形式来具 体实现, 并且不应当被解释成仅仅受限于这里所阐述的实施例。
应当理解的是, 虽然在这里可能使用了术语 "第一"、 "第二 "等等来描 述各个单元, 但是这些单元不应当受这些术语限制。 使用这些术语仅仅是 为了将一个单元与另一个单元进行区分。 举例来说, 在不背离示例性实施 例的范围的情况下, 第一单元可以被称为第二单元, 并且类似地第二单元 可以被称为第一单元。这里所使用的术语 "和 /或"包括其中一个或更多所列 出的相关联项目的任意和所有组合。
应当理解的是,当一个单元被称为"连接"或者"耦合"到另一个单元时, 其可以直接连接或者耦合到所述另一单元, 或者可以存在一中间单元。 与 此相对, 当一个单元被称为"直接连接"或"直接耦合"到另一单元时, 则不 存在一中间单元。 应当按照类似的方式来解释被用于描述单元之间的关系 的其他类似词语(例如"处于…之间"相比于 "直接处于…之间", "与…邻近" 相比于 "与…直接邻近"等等) 。
这里所使用的术语仅仅是为了描述具体实施例而不意图限制示例性 实施例。 除非上下文明确地另有所指, 否则, 这里所使用的单数形式"一 个"、 "一项 "还意图包括复数。 还应当理解的是, 这里所使用的术语"包括" 和 /或"包含"规定所陈述的特征、 整数、 步骤、 操作、 单元和 /或组件的存
在, 而不排除存在或添加一个或者更多其他特征、 整数、 步骤、 操作、 单 元、 组件和 /或其组合。
还应当提到的是, 在一些替换实现方式中, 所提到的功能 /动作可以按 照不同于附图中标示的顺序发生。 举例来说, 取决于所涉及的功能 /动作, 相继示出的两幅图实际上可以基本上同时执行或者有时可以按照相反的 顺序来执行。
需要注意的是,本发明可以在软件和 /或者软件与硬件的组合体中被实 施, 例如, 本发明的各个装置可采用专用集成电路(ASIC )或者任何其他 类似硬件设备来实现。 在一个实施例中, 本发明的软件程序可以通过处理 器执行以实现上文所述步骤或功能。 同样地, 本发明的软件程序 (包括相 关的数据结构) 可以被存储到计算机可读记录介质中, 例如, RAM 存储 器、 磁或者光驱动器或软磁盘及类似设备。 另外, 本发明的一些步骤或功 能可采用硬件来实现, 例如, 作为与处理器配合从而执行各个步骤或功能 的电路。
对于本领域技术人员而言, 显然, 本发明不限于上述示范性实施例的 细节, 而且在不背离本发明的精神或基本特征的情况下, 能够以其他的具 体形式实现本发明。 因此, 无论从哪一方面来看, 均应该将实施例看作是 示范性的, 而且是非限制性的, 本发明的范围由所附权利要求而不是上述 说明来限定, 因此, 旨在将落在权利要求的等同要件的含义和范围内的所 有变化涵括在本发明内。 不应该将权利要求中的任何附图标记视为限制所 涉及的权利要求。 此外, 显然"包括"一词不排除其他单元或步骤, 单数不 排除复数。 系统权利要求中陈述的多个单元或装置也可以由一个单元或装 置通过软件或者硬件来实现。 第一以及第二等词语用来表示名称, 而并不 表示任何特定的顺序。
虽然前面特别示出并且描述了示例性实施例, 但是本领域技术人员将 会理解的是, 在不背离权利要求书的精神和范围的情况下, 在其形式和细 节方面可以有所变化。 这里所寻求的保护在所附权利要求书中做了阐述。
Claims
1. 一种用于网络切片的资源分配方法和编排器, 包括:
a. 将原本与基站静态绑定的资源统一纳入动态资源池; b. 由编排器根据不同网络切片的需求, 来从所述动态资源池中为 所述网络切片分配资源。
2.根据权利要求 1所述的资源分配方法, 所述步骤 a还包括:
- 当有新的资源可用于所述动态资源池时,由所述新的资源所 在的网络设备向网络侧发起汇报;
- 基于所述汇报更新所述动态资源池。
3.根据权利要求 1或 2所述的资源分配方法, 其中, 在所述步骤 b 分配。
4.根据权利要求 3所述的资源分配方法, 其中所述资源包括以下各 项中的至少一项:虚拟网络功能、基带单元、射频拉远头、天线。
5.才 据权利要求 1所述的资源分配方法, 该方法用于无线接入网的 网络切片。
6.根据权利要求 1至 5中任一项所述的资源分配方法, 其中所述不 同网络切片包括以下各项中的至少一项: 用于增强移动宽带的网 络切片、 用于大规模物联网的网络切片、 用于高可靠性低延时通 信的网络切片及用于基础覆盖的信令的网络切片。
7. 一种无线网络中的编排器, 包括:
第一单元, 配置为将原本与基站静态绑定的资源统一纳入动态 资源池;
第二单元, 配置为 a. 根据不同网络切片的需求, 来从所述动态 资源池中为所述网络切片分配资源。
8.根据权利要求 7所述的编排器, 其中, 所述第一单元还配置为: - 当有新的资源可用于所述动态资源池时, 获得所述新的资源所 在的网络设备向网络侧发起的汇报;
-基于所述汇报更新所述动态资源池。
.根据权利要求 7或 8所述的编排器, 其中, 所述第二单元还配置 分配。
10. 根据权利要求 9所述的编排器, 其中, 所述资源包括以下各项 中的至少一项: 虚拟网络功能、 基带单元、 射频拉远头、 天线。
11. 根据权利要求 7所述的编排器,该编排器用于无线接入网的网 络切片。
12. 根据权利要求 7- 11 中任一项所述的编排器, 其中所述不同网 络切片包括以下各项中的至少一项: 用于增强移动宽带的网络切 片、 用于大规模物联网的网络切片、 用于高可靠性低延时通信的 网络切片及用于基础覆盖的信令的网络切片。
13. 一种无线网络, 包括根据权利要求 6-10 中任一项所述的编排 器。
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EP (1) | EP3573367B1 (zh) |
CN (1) | CN108322937B (zh) |
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CN108322937B (zh) | 2020-08-11 |
CN108322937A (zh) | 2018-07-24 |
EP3573367A1 (en) | 2019-11-27 |
US20200252908A1 (en) | 2020-08-06 |
EP3573367B1 (en) | 2023-07-05 |
US11297601B2 (en) | 2022-04-05 |
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