CN106875651B - Network structure, software remote wireless head controller and remote wireless head - Google Patents
Network structure, software remote wireless head controller and remote wireless head Download PDFInfo
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Abstract
本发明涉及网络结构、远程无线头控制器及远程无线头。所述网络结构包括前传网络;RRH集,与所述前传网络相连接,用于提供多个远程无线头(remote radio head,RRH)资源;及与所述前传网络相连接的无线服务链(radio service chain,RSC)。所述无线服务链包括:协调器,分别与所述前传控制器、及至少一云无线接入网(C‑RAN)相连接,用于接收所述至少一C‑RAN发送的无线资源请求信号并将接收的无线资源请求信号转换为一RRH控制命令;RRH控制器,与所述协调器相连接,用于根据所述RRH控制命令分割所述RRH集中的RRH资源以创建虚拟RRHs。所述SD‑RRH控制器将所述物理RRH资源分割成多片,并利用一个或多个SD‑RRH片创建软件化的虚拟RRH,使得每一虚拟RRH具有不同的配置以满足不同网络服务的需求。
The present invention relates to a network structure, a remote radio head controller and a remote radio head. The network structure includes a fronthaul network; an RRH set connected to the fronthaul network and used to provide multiple remote radio head (RRH) resources; and a radio service chain (RSC) connected to the fronthaul network. The radio service chain includes: a coordinator connected to the fronthaul controller and at least one cloud radio access network (C-RAN) respectively, used to receive a radio resource request signal sent by the at least one C-RAN and convert the received radio resource request signal into an RRH control command; an RRH controller connected to the coordinator, used to divide the RRH resources in the RRH set according to the RRH control command to create virtual RRHs. The SD-RRH controller divides the physical RRH resources into multiple slices, and uses one or more SD-RRH slices to create software-based virtual RRHs, so that each virtual RRH has a different configuration to meet the needs of different network services.
Description
技术领域technical field
本发明涉及无线通信领域,尤其涉及一种网络结构、软件化的远程无线头(remoteradio head,RRH)控制器及远程无线头。The present invention relates to the field of wireless communication, in particular to a network structure, a software-based remote wireless head (RRH) controller and a remote wireless head.
背景技术Background technique
在过去的几十年中,无线通信网络被广泛的使用。无线通信网络的运营商们建立越来越多的基站及基站台接收站(base transceiver stations,BTS)以满足无线通信网络中日益增加的通信服务需求。然而,建立大量的基站及基站台接收站的花费高昂,在满足通信需求服务的前提下降低运营成本成为运营商们面对的一个问题。Wireless communication networks have been widely used over the past few decades. Operators of wireless communication networks build more and more base stations and base transceiver stations (BTS) to meet the increasing demand for communication services in wireless communication networks. However, the cost of establishing a large number of base stations and base station receiving stations is high, and reducing operating costs on the premise of satisfying communication needs and services has become a problem faced by operators.
图1为现有技术中无线接入网(radio access network,RAN)10的系统结构图。所述无线接入网10采用定点到定点的分布式基带单元(distributed base band units,BBUs)。该分布式基带单元广泛地用于在当前的4G长期演进(long term evolution,LTE)网络中。在图1中,实线表示物理的网络连接(可以是无线网络连接或有线网络连接)。虚线表示软件接口以及相应的硬件设备之间的连接。FIG. 1 is a system structure diagram of a radio access network (RAN) 10 in the prior art. The radio access network 10 employs point-to-point distributed baseband units (distributed base band units, BBUs). The distributed baseband unit is widely used in current 4G long term evolution (LTE) networks. In Figure 1, solid lines represent physical network connections (which can be wireless or wired). The dashed lines represent the software interfaces and the connections between the corresponding hardware devices.
该无线接入网10包括远程无线头(RRH)集11。该远程无线头集11与一分布式基带单元12通过定点到定点的链路连接。所述定点到定点的链路采用公共射频接口(CommonPublic Radio Interface,CPRI)标准,开放源码倡议基础架构站(Open Base StationArchitecture Initiative,OBSAI)标准其他合适的前传标准或所述标准的组合。The radio access network 10 includes a set 11 of Remote Radio Heads (RRHs). The remote radio head set 11 is connected to a distributed baseband unit 12 via a point-to-point link. The point-to-point link adopts the Common Public Radio Interface (CPRI) standard, the Open Base Station Architecture Initiative (OBSAI) standard, other suitable fronthaul standards, or a combination of the standards.
该远程无线头集11包括多个远程无线头群110a、110b、110c。所述无线头群等同于远程无线收发单元。一个无线头包括电源元件、收发器、放大器(包括功率放大器及/或低噪声放大器)及复式滤波器。所述远程无线头通常设置在邻近天线的位置或者所述远程无线头与所述天线连接从而构成天线的一部分。在本发明中,所述远程无线头既可以为一个独立的远程无线头,也可以为一个与天线相整合的无线头。所述远程无线头集11中的远程无线头群110之间通过网络可连接。The remote radio head set 11 includes a plurality of remote radio head groups 110a, 110b, 110c. The wireless head group is equivalent to the remote wireless transceiver unit. A radio head includes power components, transceivers, amplifiers (including power amplifiers and/or low noise amplifiers), and complex filters. The remote radio head is usually positioned adjacent to the antenna or the remote radio head is connected to the antenna to form part of the antenna. In the present invention, the remote wireless head can be either an independent remote wireless head or a wireless head integrated with an antenna. The remote wireless head groups 110 in the remote wireless head set 11 can be connected through a network.
所述分布式基带单元12包括基带单元集。所述基带单元集包括多个基带单元121a、121b、121c,操作支持系统(Operation Support System,OSS)122,及设备管理系统(Element Management System,EMS)123。所述基带单元121a、121b、121c通过合适的软件接口与所述设备管理系统123相连接。The distributed baseband unit 12 includes a set of baseband units. The baseband unit set includes a plurality of baseband units 121 a , 121 b and 121 c , an operation support system (Operation Support System, OSS) 122 , and an equipment management system (Element Management System, EMS) 123 . The baseband units 121a, 121b, 121c are connected to the device management system 123 through a suitable software interface.
所述分布式基带单元12用于控制管理所述远程无线头集11。在本实施方式中,所述每一基带单元121a、121b、121c通过定点到定点的链路分别与对应的远程无线头群110a、110b、110c相连接。The distributed baseband unit 12 is used to control and manage the remote wireless head set 11 . In this embodiment, each of the baseband units 121a, 121b, and 121c is connected to the corresponding remote wireless head groups 110a, 110b, and 110c through a point-to-point link, respectively.
所述分布式基带单元12位于移动网络运营商(mobile network operator,MNO)端,以便网络运营商进行网络管理与网络维护。该无线接入网不具有自动配置网络资源的能力,需要手动设定远程无线头,固定链路,分布式基带单元进行配置以满足不同网络服务的需求。无线接入网的运营商还被要求维护及扩充远程无线头设备及相应的分布式基带单元12以满足增长的无线服务需求。然而,在远程无线头集11及分布式基带单元12之间的固定连接的设置灵活性较差,而且花费较高。此外,由于无线接入网10的固定部署缺乏选择的灵活性,且通常是为了在特定的应用环境中实现优化以满足在特定的高峰时间和位置的容量需求,因此,在特定的高峰时间外的其余的时间造成资源过度供给。The distributed baseband unit 12 is located at the mobile network operator (mobile network operator, MNO) end, so that the network operator can perform network management and network maintenance. The wireless access network does not have the ability to automatically configure network resources, and needs to manually configure remote wireless heads, fixed links, and distributed baseband units to meet the needs of different network services. Operators of radio access networks are also required to maintain and expand remote radio head equipment and corresponding distributed baseband units 12 to meet increased demand for wireless services. However, the fixed connection between the remote radio head set 11 and the distributed baseband unit 12 is less flexible and expensive to set up. Furthermore, since fixed deployments of the radio access network 10 lack flexibility of choice and are typically optimized to meet capacity requirements at specific peak times and locations in a specific application environment, outside of specific peak hours The rest of the time results in an oversupply of resources.
发明内容SUMMARY OF THE INVENTION
鉴于以上内容,有必要提供一种网络结构及远程无线头控制器以解决现有远程无线头集11设置灵活性较差,而且花费高的问题。In view of the above, it is necessary to provide a network structure and a remote wireless head controller to solve the problems of poor flexibility and high cost of setting the existing remote wireless head set 11 .
一种无线通信系统中的网络结构,该网络结构包括:A network structure in a wireless communication system, the network structure comprising:
前传网络,用于管理前传资源,所述前传网络包括一前传控制器;a fronthaul network for managing fronthaul resources, and the fronthaul network includes a fronthaul controller;
RRH集,与所述前传网络相连接,用于提供多个远程无线头(remote radio head,RRH)资源;及A set of RRHs connected to the fronthaul network for providing a plurality of remote radio head (RRH) resources; and
无线服务链(radio service chain,RSC),与所述前传网络相连接,a radio service chain (RSC), connected to the fronthaul network,
所述无线服务链包括:The wireless service chain includes:
协调器,分别与所述前传控制器、及至少一云无线接入网(C-RAN)相连接,用于接收所述至少一C-RAN发送的无线资源请求信号并将接收的无线资源请求信号转换为一RRH控制命令;及a coordinator, connected to the fronthaul controller and at least one cloud radio access network (C-RAN), respectively, and configured to receive a radio resource request signal sent by the at least one C-RAN and send the received radio resource request signal The signal is converted into an RRH control command; and
RRH控制器,与所述协调器相连接,用于根据所述RRH控制命令分割所述RRH集中的RRH资源以创建虚拟RRHs。An RRH controller, connected to the coordinator, is configured to divide RRH resources in the RRH set according to the RRH control command to create virtual RRHs.
一种无线通信系统中的远程无线头(RRH)控制器,所述RRH包括:A remote radio head (RRH) controller in a wireless communication system, the RRH comprising:
至少一资源分配应用程序接口(resource allocation application programinterface,API),与一协调器相连接,用于提供对远程过程调用的第一设置;at least one resource allocation application program interface (API), connected with a coordinator, for providing the first setting for the remote procedure call;
控制管理(control and management,C&M)应用程序接口(API),与一基带单元相连接,用于提供对所述远程过程调用的第二设置;a control and management (C&M) application programming interface (API), connected to a baseband unit, for providing second settings for the remote procedure call;
资源配置服务器(resource allocation service,RAS),用于创建或释放虚拟远程无线头(vRRH)资源;A resource allocation service (RAS) for creating or releasing virtual remote radio head (vRRH) resources;
控制管理服务器,运行所述资源分配应用程序接口。A control management server runs the resource allocation application program interface.
虚拟远程无线头(vRRH)管理器,用于提供一抽象层,所述抽象层追踪并形成一从至少一虚拟远程无线头到物理远程无线头的映射;及a virtual remote radio head (vRRH) manager for providing an abstraction layer that tracks and forms a mapping from at least one virtual remote radio head to physical remote radio heads; and
控制管理协议库,用于为通信信道提供控制管理协议服务。The control management protocol library is used to provide the control management protocol service for the communication channel.
一种远程无线头(RRH),所述远程无线头包括:A Remote Radio Head (RRH) comprising:
多个通信接口,用于实现在所述RRH及一基带单元之间不同类型数据之间传送;a plurality of communication interfaces for realizing the transmission of different types of data between the RRH and a baseband unit;
通信模组,与所述通信接口连接,用于控制及管理数据,所述通信模组包括:A communication module, connected with the communication interface, is used to control and manage data, and the communication module includes:
流管理器(RRH Flow Manager,RFM),用于接收基带单元传送的数据;A flow manager (RRH Flow Manager, RFM) for receiving data transmitted by the baseband unit;
通信功能模组,用于从所述基带单元初始化的数据流中提取用户数据及控制管理数据;A communication function module for extracting user data and control management data from the data stream initialized by the baseband unit;
计算模组,用于对所述基带信号进行处理;a computing module for processing the baseband signal;
无线电处理器,包括:A radio processor, including:
RRH虚拟天线端口(virtual antenna port,RVA),用于将物料天线功能分割成多个天线片,及根据分割的天线片创建虚拟天线端口;及RRH virtual antenna port (RVA) for dividing the material antenna function into multiple antenna pieces, and creating virtual antenna ports from the divided antenna pieces; and
时钟单元,用于将所述基带单元与所述RRH进行同步处理;及a clock unit for synchronizing the baseband unit with the RRH; and
控制模块,与所述时钟单元连接,所述控制模组包括:A control module, connected with the clock unit, the control module includes:
RRH控制功能模组,与一RRH控制器通信连接;及RRH control function module in communication with an RRH controller; and
资源模组,用于表征所述RHH的配置信息。The resource module is used to represent the configuration information of the RHH.
本发明中,所述SD-RRH控制器将所述物理RRH资源分割成多片,并利用一个或多个SD-RRH片创建软件化的虚拟RRH。每一虚拟RRH具有不同的配置以满足不同网络服务的需求,从而解决现有远程无线头集设置灵活性较差,而且花费高的问题。In the present invention, the SD-RRH controller divides the physical RRH resource into multiple slices, and uses one or more SD-RRH slices to create a software-based virtual RRH. Each virtual RRH has different configurations to meet the requirements of different network services, thereby solving the problems of poor flexibility and high cost of the existing remote wireless head set setting.
附图说明Description of drawings
图1为现有技术中无线接入网络的系统结构的示意图。FIG. 1 is a schematic diagram of a system structure of a radio access network in the prior art.
图2为本发明一实施方式中无线接入网络的系统架构的示意图。FIG. 2 is a schematic diagram of a system architecture of a wireless access network in an embodiment of the present invention.
图3为本发明一实施方式中无线接入网络的系统模型的排列示意图。FIG. 3 is a schematic diagram of arrangement of a system model of a wireless access network in an embodiment of the present invention.
图4A及4B为图2中远端无线头的分割示意图。4A and 4B are schematic diagrams of the division of the remote wireless head in FIG. 2 .
图5-8为本发明一实施方式中无线接入网的操作过程示意图。5-8 are schematic diagrams of an operation process of a wireless access network in an embodiment of the present invention.
图9-10为本发明另一实施方式中无线接入网络的系统模型的排列示意图。9-10 are schematic diagrams of arrangement of system models of a wireless access network in another embodiment of the present invention.
图11为本发明一实施方式中无线服务供应的初始相位的示意图。FIG. 11 is a schematic diagram of an initial phase of wireless service provisioning in an embodiment of the present invention.
图12为本发明一实施方式中无线服务供应的次相位的示意图。FIG. 12 is a schematic diagram of secondary phases of wireless service provisioning in an embodiment of the present invention.
图13-14分别为本发明一实施方式中第二及第三相位的示意图。13-14 are schematic diagrams of the second and third phases in an embodiment of the present invention, respectively.
图15为本发明一实施方式中远程无线头控制器的示意图。15 is a schematic diagram of a remote wireless head controller in an embodiment of the present invention.
图16为本发明中远程无线头控制器中虚拟远程无线头与物理远程无线头的映射的使用图。FIG. 16 is a diagram of the use of the mapping between the virtual remote wireless head and the physical remote wireless head in the remote wireless head controller of the present invention.
图17为本发明一实施方式中远程无线头的架构示意图。FIG. 17 is a schematic structural diagram of a remote wireless head in an embodiment of the present invention.
图18-23为本发明一实施方式中无线接入网的操作过程示意图。18-23 are schematic diagrams of an operation process of a wireless access network in an embodiment of the present invention.
图24为本发明一实施方式中远程无线头片及虚拟无线头的资源模型示意图。FIG. 24 is a schematic diagram of a resource model of a remote wireless head slice and a virtual wireless head in an embodiment of the present invention.
具体实施方式Detailed ways
应当理解,为了说明的简单和清楚,在适当的条件下,重复参考标号在不同的附图中,以表示相应或相似的元件。此外,阐述了许多实施细节,以便提供对本发明的全面理解实施例。然而,应当理解,本领域普通技术人员可以不通过上述的实施细节也能实施本发明。在其他情况下,方法、程序、及组件没有被详细描述以避免混淆相关特征描述。此外,所述描述不应视为限制本文描述的实施例的范围。所述图示不需按比例绘制,且该比例某些部分被放大以便更好地示出本发明的细节和特征。It will be understood that, for simplicity and clarity of illustration, where appropriate, reference numerals have been repeated among the different figures to indicate corresponding or analogous elements. Furthermore, numerous implementation details are set forth in order to provide a thorough understanding of the present invention. It should be understood, however, that one of ordinary skill in the art may practice the present invention without the above-described implementation details. In other instances, methods, procedures, and components have not been described in detail to avoid obscuring the description of related features. Furthermore, the description should not be taken as limiting the scope of the embodiments described herein. The drawings are not necessarily to scale and portions of the scale are exaggerated in order to better illustrate the details and features of the invention.
在本发明中,所述术语“包括”指“包含但不一定限于”;具体指示开放式描述的用语,如组等类似用户。In the present invention, the term "including" means "including but not necessarily limited to"; specifically referring to open-ended description terms, such as groups and the like users.
请参考图2,所示为本发明一实施方式中无线接入网20的系统架构的示意图。所述无线接入网20采用无线服务链(Radio Service Chain,RSC)模型。在图2中,实线表示物理的网络连接(可以是无线网络连接或有线网络连接)。虚线表示软件接口以及相应的硬件设备之间的连接。Please refer to FIG. 2 , which is a schematic diagram of a system architecture of a radio access network 20 in an embodiment of the present invention. The radio access network 20 adopts a radio service chain (Radio Service Chain, RSC) model. In Figure 2, solid lines represent physical network connections (which can be wireless or wired). The dashed lines represent the software interfaces and the connections between the corresponding hardware devices.
所述无线接入网20包括网络基础架构25及多个分布式基带单元集(例如,云无线接入网域22a、22b)。所述网络基础架构25包括共享远程无线头集21。所述远程无线头集21通过一共享前传网络23及一无线服务链24与所述分布式基带单元集通信连接。所述共享远程无线头集21包括多个软件化远程无线头(software defined remote radio heads,SD-RRHs)210。所述软件化远程无线头210用于提供物理远程无线头(physical RRH,pRRH)资源。The radio access network 20 includes a network infrastructure 25 and multiple sets of distributed baseband units (eg, cloud radio access network domains 22a, 22b). The network infrastructure 25 includes a set of shared remote radio heads 21 . The remote wireless head set 21 is communicatively connected to the distributed baseband unit set through a shared fronthaul network 23 and a wireless service chain 24 . The shared remote radio head set 21 includes a plurality of software defined remote radio heads (SD-RRHs) 210 . The software-based remote radio head 210 is used to provide physical remote radio head (physical RRH, pRRH) resources.
每一云无线接入网域22a/22b包括一基带单元集221a、221b,支持系统222a、222b,及设备管理系统(Element Management System,EMS)223a、223b。所述基带单元集221a、221b通过执行软件接口程序与所述设备管理系统223a、223b相连接。所述支持系统222a、222b可以是一个操作支持系统(Operation Support System,OSS)或一运营支持系统(Business Support System,BSS)。所述操作支持系统至少具有如下五个功能:网络管理系统、服务交付、服务开通、服务保障、客户关心。所述服务开通包括网络库存、激活及供应。所述运营支撑系统用于处理订单、收益等。所述运营支撑系统主要支持产品管理、订单管理、收益管理及客户管理。Each cloud radio access network domain 22a/22b includes a baseband unit set 221a, 221b, support systems 222a, 222b, and an Element Management System (EMS) 223a, 223b. The baseband unit sets 221a, 221b are connected to the device management systems 223a, 223b by executing a software interface program. The support systems 222a, 222b may be an operation support system (Operation Support System, OSS) or a business support system (Business Support System, BSS). The operation support system has at least the following five functions: network management system, service delivery, service provisioning, service guarantee, and customer care. The service provisioning includes network inventory, activation and provisioning. The operation support system is used to process orders, revenue, and the like. The operation support system mainly supports product management, order management, revenue management and customer management.
所述设备管理系统(EMS)223a/223b包括用于在电信管理网络(Telecommunications Management Network,NEL)的模型网元管理层(network element-management layer,NEL)管理网络元件(network elements,NE)的系统和应用程序。所述EMS的主要功能分为:区域故障(Areas-Fault)、配置(Configuration)、记账(Accounting)、性能(Accounting)、及安全性(Security)。The equipment management system (EMS) 223a/223b includes a network element-management layer (NEL) model for managing network elements (NE) in a Telecommunications Management Network (NEL). systems and applications. The main functions of the EMS are divided into: Areas-Fault, Configuration, Accounting, Performance, and Security.
每个EMS 223a/223b通过合适的硬件/软件接口可控地与支撑系统222a相连接。在无线接入网20中,每个云无线接入网域(Cloud-RAN domain,C-RAN)22a/22b可以由单个网络运营上拥有及控制,并通过无线服务链24及前传网络232(例如,前传控制器fronthaul(FH)controller 231)分享共享远程无线头集21的资源。Each EMS 223a/223b is controllably connected to the support system 222a through a suitable hardware/software interface. In the radio access network 20, each Cloud-RAN domain (C-RAN) 22a/22b may be operationally owned and controlled by a single network, and communicated through the radio service chain 24 and the fronthaul network 232 ( For example, the fronthaul controller fronthaul (FH) controller 231 ) shares the resources of the shared remote wireless head set 21 .
所述共享前传网络23包括前传控制器(FH controller)231。所述前传控制器231用于管理前传资源。所述云无线接入网域22a、22b通过共享前传网络23分别与所述共享远程无线头集21相连接。所述位于云无线接入网域22a、22b与共享远程无线头集21之间的共享前传网络23的实现方式包括有线网、无线网及有线网与无线网的组合。The shared fronthaul network 23 includes a fronthaul controller (FH controller) 231 . The fronthaul controller 231 is used to manage fronthaul resources. The cloud wireless access network domains 22a and 22b are respectively connected to the shared remote wireless head set 21 through the shared fronthaul network 23 . The implementation manner of the shared fronthaul network 23 located between the cloud wireless access network domains 22a, 22b and the shared remote wireless head set 21 includes a wired network, a wireless network, and a combination of a wired network and a wireless network.
所述无线服务链24与所述共享前传网络23相连接,并通过所述共享前传网络23与所述云无线接入网域22a、22b及共享远程无线头集21连接。特别地,所述无线服务链24包括协调器241及一软件化远程无线头控制器(SD-RRH控制器)242。所述协调器241及所述软件化远程无线头控制器242通过软件接口(接口2)连接在一起。所述协调器241通过软件接口(接口1)与所述无线接入网22a、22b的支持系统222a、222b相连接,及通过软件接口(接口3)与一前传控制器相连接。所述协调器241用于接收来自支持系统222a、222b的资源分配命令并向所述软件化远程无线头控制器242及前传控制器231发送一资源分配请求。所述协调器241还用于协调共享远程无线头集21与前传网络23之间的资源分配。The wireless service chain 24 is connected to the shared fronthaul network 23 , and is connected to the cloud wireless access network domains 22 a and 22 b and the shared remote wireless head set 21 through the shared fronthaul network 23 . Specifically, the radio service chain 24 includes a coordinator 241 and a software-based remote radio head controller (SD-RRH controller) 242 . The coordinator 241 and the software-based remote wireless head controller 242 are connected together through a software interface (interface 2). The coordinator 241 is connected to the support systems 222a, 222b of the radio access networks 22a, 22b through a software interface (interface 1), and is connected to a fronthaul controller through a software interface (interface 3). The coordinator 241 is configured to receive resource allocation commands from the support systems 222a, 222b and send a resource allocation request to the software-based remote radio head controller 242 and the fronthaul controller 231. The coordinator 241 is also used for coordinating resource allocation between the shared remote radio head set 21 and the fronthaul network 23 .
所述软件化远程无线头控制器242通过软件接口(接口4)与所述共享远程无线头集21相连接,及通过软件接口(接口5)与无线接入网22a、22b的基带单元集221a、221b相连接。所述软件化远程无线头控制器242用于将所述共享程无线头集21的物理远程无线头资源分割成多个软件化远程无线头片。通过一个或多个软件化远程无线头片能够创建出软件化的虚拟远程无线头。所述软件化远程无线头控制器242用于根据所述支持系统222a、222b发送的请求分配远程无线头资源,为上层相关请求资源的应用程序提供统一接口(unifiedinterface,NB-Intf),及在物理远程无线头中使用SB接口(SB-Intf)配置和管理物理资源。所述软件化的远程无线头能够动态地分配给多个远程无线头网中不同的分布式基带单元。The software remote radio head controller 242 is connected to the shared remote radio head set 21 through a software interface (interface 4), and is connected to the baseband unit set 221a of the radio access network 22a, 22b through a software interface (interface 5). , 221b are connected. The software-based remote radio head controller 242 is configured to divide the physical remote radio head resources of the shared-range radio head set 21 into a plurality of software-based remote radio head slices. A software-enabled virtual remote wireless head can be created by one or more software-enabled remote wireless head pieces. The software-based remote radio head controller 242 is used for allocating remote radio head resources according to the requests sent by the support systems 222a and 222b, providing a unified interface (NB-Intf) for the application program related to the upper layer requesting resources, and in the The SB interface (SB-Intf) is used in the physical remote radio head to configure and manage physical resources. The software-based remote radio heads can be dynamically assigned to different distributed baseband units in a network of multiple remote radio heads.
所述软件接口(接口1)包括位于支持系统222a、222b及协调器241之间的通信接口。所述软件接口(接口1)使得所述支持系统222a、222b向所述协调器241请求远程无线头基础网络资源。The software interface (Interface 1 ) includes a communication interface between the support systems 222a, 222b and the coordinator 241 . The software interface (Interface 1) causes the support systems 222a, 222b to request the coordinator 241 for remote radio head base network resources.
所述软件接口(接口2)包括位于协调器241及软件化远程无线头控制器242之间的通信接口。所述软件接口(接口2)使得所述协调器241将远程无线接头资源分配给软件化远程无线头控制器242。The software interface (Interface 2 ) includes a communication interface between the coordinator 241 and the softwareized remote wireless head controller 242 . The software interface (Interface 2 ) enables the coordinator 241 to allocate remote radio joint resources to the softwareized remote radio head controller 242 .
所述软件接口(接口3)包括位于协调器241及前传控制器231之间的通信接口。所述软件接口(接口3)使得所述协调器241将前传资源分配给前传控制器231。The software interface (Interface 3 ) includes a communication interface between the coordinator 241 and the fronthaul controller 231 . The software interface (Interface 3 ) enables the coordinator 241 to allocate fronthaul resources to the fronthaul controller 231 .
所述软件接口(接口4)包括位于软件化远程无线头控制器242及共享程无线头集21之间的通信接口。所述软件接口(接口4)使得所述软件化远程无线头控制器242将远程无线头配置文件发送给共享程无线头集21以使共享程无线头集21进行资源分配。The software interface (interface 4 ) includes a communication interface between the software-based remote radio head controller 242 and the shared-range radio head set 21 . The software interface (interface 4) enables the software-based remote radio head controller 242 to send a remote radio head configuration file to the shared range radio head set 21 for resource allocation by the shared range radio head set 21.
所述软件接口(接口5)包括位于软件化远程无线头控制器242及不同的云无线接入网域22a、22b基带单元集221a、221b之间的通信接口。所述软件接口(接口5)使得所述软件化远程无线头控制器242控制所述基带单元集221a、221b执行远程无线头的控制及管理的动作。The software interface (interface 5) includes a communication interface between the software-based remote radio head controller 242 and the different cloud radio access network domains 22a, 22b baseband unit sets 221a, 221b. The software interface (interface 5) enables the software-based remote radio head controller 242 to control the baseband unit sets 221a, 221b to perform remote radio head control and management actions.
在前述框架结构下,前传(FH)网络23可以由不同运营商共享,进而实现共享在不同的云无线接入网域(如,C-RAN 22a、22b)中的远程无线头集21。因此,本发明提出的框架结构可以使得在不同的运营商间实现更加灵活及经济的无线接入。Under the aforementioned framework structure, the fronthaul (FH) network 23 can be shared by different operators, thereby realizing the shared remote radio head set 21 in different cloud radio access network domains (eg, C-RAN 22a, 22b). Therefore, the frame structure proposed by the present invention can realize more flexible and economical wireless access among different operators.
请参考图3,所示为本发明一实施方式中无线接入网的系统模型结构示意图。图3对应于图2中的无线接入网20。在本实施方式中,所述无线服务链24包括无线数据处理图及相应的前传网络功能。所述无线数据处理图由至少一虚拟远程无线头序列形成的。图3示出了无线服务链的逻辑数据模型如何映射到物理装置,及描述了物理装置内部每个功能的位置及关系。Please refer to FIG. 3 , which is a schematic structural diagram of a system model of a wireless access network in an embodiment of the present invention. FIG. 3 corresponds to the radio access network 20 in FIG. 2 . In this embodiment, the wireless service chain 24 includes a wireless data processing diagram and corresponding fronthaul network functions. The wireless data processing graph is formed by at least one sequence of virtual remote wireless heads. Figure 3 shows how the logical data model of the wireless service chain maps to the physical device, and describes the location and relationship of each function within the physical device.
例如,BBU/RRH/FH配置文件为在操作支持系统322及远程无线头基础协调器341之间进行无线服务资源分配的组态配置文件。所述远程无线头基础协调器341用于根据所述操作支持系统322发送的配置文件创建远程无线头数据处理图(RRH data processinggraph,RRH-PG),及将所述创建的远程无线头数据处理图转变成用于与所述操作支持系统322及前传控制器331进行通信的具体命令。所述远程无线头基础协调器341进一步将所述转变的具体命令通过统一接口发送给软件化远程无线头控制器342以使软件化远程无线头控制器342分配远程无线资源。For example, the BBU/RRH/FH profile is a configuration profile for radio service resource allocation between the operations support system 322 and the remote radio head base coordinator 341 . The remote radio head base coordinator 341 is configured to create a remote radio head data processing graph (RRH data processing graph, RRH-PG) according to the configuration file sent by the operation support system 322, and process the created remote radio head data The diagram translates into specific commands for communicating with the operations support system 322 and fronthaul controller 331 . The remote wireless head base coordinator 341 further sends the specific command of the transition to the software-based remote wireless head controller 342 through the unified interface, so that the software-based remote wireless head controller 342 allocates remote wireless resources.
所述软件化远程无线头控制器342用于分配远程无线头资源及创造虚拟远程无线头(virtual RRH,vRRH)。所述SD-RRH控制器342能够创建虚拟RRH与物理RRH之间的映射。例如,所述SD-RRH控制器342将虚拟RRH的配置文件设定转换成物理RRH的组态配置,及通过SB接口将转换成的物理RRH的组态配置应用于所述物理RRH。在物理RRH的组态配置中。物理RRH设置内部单元及创建相应的虚拟RRH功能,例如,RRH流管理器(RRH Flow Manager,RFM),RRH通信功能(RRH Communication Function,),RRH控制功能(RRH ControlFunction,RCTF),RRH基带函数(RRH base band function,RBF),RRH虚拟天线端口(RRHvirtual antenna port,RVA),RRH物理天线前端(RRH physical antenna front end,RPA)。The software-based remote radio head controller 342 is used to allocate remote radio head resources and create virtual remote radio heads (virtual RRHs, vRRHs). The SD-RRH controller 342 can create a mapping between virtual RRHs and physical RRHs. For example, the SD-RRH controller 342 converts the configuration file settings of the virtual RRH into the configuration of the physical RRH, and applies the converted configuration of the physical RRH to the physical RRH through the SB interface. In the configuration configuration of the physical RRH. Physical RRH sets up internal units and creates corresponding virtual RRH functions, such as RRH Flow Manager (RRH Flow Manager, RFM), RRH Communication Function (RRH Communication Function, ), RRH Control Function (RRH ControlFunction, RCTF), RRH Baseband Function (RRH base band function, RBF), RRH virtual antenna port (RRH virtual antenna port, RVA), RRH physical antenna front end (RRH physical antenna front end, RPA).
同样地,所述远程无线头基础协调器341通过统一NB接口将所述具体命令发送给前传控制器331以分配前传资源。所述前传控制器331分配前传资源及根据分配的前传资源创建虚拟前传网络(FH network,vFH)。所述前传控制器331创建一虚拟前传网络及物理前传网络之间的映射。例如,所述前传前传控制器331将虚拟前传网络的配置文件设定转换成物理前传网络的组态配置,及通过SB接口将转换成的物理前传网络的组态配置应用于所述物理前传网络中。Likewise, the remote radio head base coordinator 341 sends the specific command to the fronthaul controller 331 through the unified NB interface to allocate fronthaul resources. The fronthaul controller 331 allocates fronthaul resources and creates a virtual fronthaul network (FH network, vFH) according to the allocated fronthaul resources. The fronthaul controller 331 creates a mapping between the virtual fronthaul network and the physical fronthaul network. For example, the fronthaul controller 331 converts the configuration file settings of the virtual fronthaul network into the configuration of the physical fronthaul network, and applies the converted configuration of the physical fronthaul network to the physical fronthaul network through the SB interface middle.
所述SD-RRH控制器342协调所述物理远程无线接头资源(通过资源分割/切割)并形成软件化远程无线头310。载体数据或者传输数据流包括软件化远程无线头310各个功能模块之间的用户数据。所述载体或者传输数据流按照软件化远程无线头内部的数据处理路径进行数据处理。另一方面,一个管理流包括控制及管理数据。所述控制及管理数据由所述无线接入网的分布式基带单元321通过共享前传网络33发送给所述RCMF以实现控制及管理功能。The SD-RRH controller 342 coordinates the physical remote radio joint resources (through resource partitioning/slicing) and forms a software-based remote radio head 310. The carrier data or transport data stream includes user data between the various functional modules of the software-based remote radio head 310 . The carrier or transport data stream performs data processing according to a data processing path inside the software-based remote radio head. On the other hand, a management flow includes control and management data. The control and management data are sent to the RCMF by the distributed baseband unit 321 of the wireless access network through the shared fronthaul network 33 to implement control and management functions.
所述RCMF管理并监控或控制所述基带单元321及软件化远程无线头310之间按照一特定传输协议进行数据传输的数据流量。所述RCMF根据BBU 321的服务需求能够处理不同的传输协议,例如CPRI,公共射频接口,1904.3。所述RCMF功能能够处理BBU 321发送的控制及管理数据,执行特定的控制及管理功能。所述RCMF进一步区分并提取用户数据及控制管理数据,并将所述所述用户数据及控制管理数据发送给RFM及RCTF。所述RCMF管理所述载体数据流或包括用户数据的传输数据流。所述载体数据包括I/Q数据,所述传输数据包括非I/Q数据。其中,I/Q数据表示调制的数据信号,并从所述BBU 321传送到目标移动装置。所述RCMF管理不同的载体/传输数据流,并将载体/传输数据流分配给合适的数据处理功能模块。当启动所述SD-RRH 310与所述BBU 321之间的功能分割时,所述RBF根据所述BBU 321的服务需求执行BBU 321部分功能(PHY功能或MAC功能)。所述RVA功能将物理天线功能分割成多个片,及利用一个或多个天线片创建虚拟天线端口。The RCMF manages and monitors or controls the data flow of data transmission between the baseband unit 321 and the software-based remote wireless head 310 according to a specific transmission protocol. The RCMF can handle different transmission protocols, such as CPRI, Common Radio Interface, 1904.3, according to the service requirements of the BBU 321. The RCMF function can process the control and management data sent by the BBU 321, and perform specific control and management functions. The RCMF further distinguishes and extracts user data and control management data, and sends the user data and control management data to RFM and RCTF. The RCMF manages the bearer data stream or transport data stream including user data. The carrier data includes I/Q data, and the transmission data includes non-I/Q data. Among them, the I/Q data represents the modulated data signal and is transmitted from the BBU 321 to the target mobile device. The RCMF manages the different bearer/transport data streams and assigns the bearer/transport data streams to the appropriate data processing function modules. When the function split between the SD-RRH 310 and the BBU 321 is enabled, the RBF performs part of the BBU 321 function (PHY function or MAC function) according to the service requirements of the BBU 321 . The RVA function splits the physical antenna function into slices and creates virtual antenna ports using one or more antenna slices.
请参考图4A及4B,所示为本发明一实施方式中无线接入网20中远程无线头分割操作示意图。本实施方式中,无线接入网20采用图2中的无线服务链24。在图4A中,基带单元BU1,BU2,BU3对应不同的网络运营商。例如,基带单元BU1对应网络运营商1,基带单元BU2对应网络运营商2,基带单元BU3对应网络运营商3。Please refer to FIGS. 4A and 4B , which are schematic diagrams of remote radio head division operations in the radio access network 20 according to an embodiment of the present invention. In this embodiment, the wireless access network 20 adopts the wireless service chain 24 in FIG. 2 . In FIG. 4A, the baseband units BU1, BU2, and BU3 correspond to different network operators. For example, the baseband unit BU1 corresponds to the network operator 1, the baseband unit BU2 corresponds to the network operator 2, and the baseband unit BU3 corresponds to the network operator 3.
在一实施方式中,软件化远程无线头(未示于图4A中)根据从协调器241接收的资源分配请求,动态地分配RRH资源以创建vRRH。所述软件化远程无线头根据创建的vRRH进一步创建vRRH与pRRH之间的映射。所述协调器241根据BU1,BU2,及BU3发送的资源分配请求分配RRH资源。在一实施方式中,所述软件化远程无线头控制器242根据每一网络运营商的用户程序及操作要求分配所述RRH资源。其中,用户程序可以为实时、非实时传输应用程序,所述操作要求可以为如峰值数据速率、区域传输能力、连接密度、延迟和流动性需求等要求。In one embodiment, a softwareized remote radio head (not shown in FIG. 4A ) dynamically allocates RRH resources to create vRRHs based on resource allocation requests received from coordinator 241 . The software-based remote radio head further creates a mapping between vRRH and pRRH according to the created vRRH. The coordinator 241 allocates RRH resources according to the resource allocation requests sent by BU1, BU2, and BU3. In one embodiment, the software-based remote radio head controller 242 allocates the RRH resources according to each network operator's user program and operational requirements. Wherein, the user program may be a real-time or non-real-time transmission application program, and the operation requirements may be requirements such as peak data rate, regional transmission capacity, connection density, delay and liquidity requirements.
所述软件化远程无线控制器242根据BU1,BU2,及BU3发送的分配请求将虚拟RRH的配置文件转变成物理RRH的组态配置,及通过SB接口将转换成的物理RRH的组态配置应用于所述物理RRH(例如共享远程无线头集)以形成一软件化远程无线头410a。The software-based remote wireless controller 242 converts the configuration file of the virtual RRH into the configuration configuration of the physical RRH according to the allocation request sent by BU1, BU2, and BU3, and the configuration configuration application of the converted physical RRH through the SB interface On the physical RRH (eg, a shared remote radio head set) to form a software-based remote radio head 410a.
在本实施方式中,所述软件化远程无线头410a被分割成6个pRRH,并创建3个vRRH412a、412b、412c。其中一个pRRH被分配给BU1,两个pRRH被分配给BU2,三个pRRH被分配给BU3。所述vRRH 412a、412b、412c包括RCMF、RFM、RBF、RVA、及RPAs 1-4。所述vRRH 412a、412b、412c分别与BU1,BU2,及BU3建立虚拟数据通信链路并通过建立的虚拟数据通信链路与所述移动装置进行通信连接。所述RCMF能够处理不同类型的传输协议,如CPRI、ROE及新前传协议(New Fronthaul Protocol,NFP)。所述RFM管理不同的载体/传输流并将所述载体/传输流分配给合适的数据处理功能模块。所述RBF根据BU1,BU2,及BU3的服务请求执行部分的基带单元功能。所述RVA包括虚拟天线1,虚拟天线2及虚拟天线3。所述RPAs 1-4被多个RVA功能模块共享。所述BU1,BU2,及BU3通过所述RPAs 1-4将数据发送给目标移动装置。In this embodiment, the software-based remote radio head 410a is divided into 6 pRRHs, and 3 vRRHs 412a, 412b, 412c are created. One of the pRRHs is assigned to BU1, two pRRHs are assigned to BU2, and three pRRHs are assigned to BU3. The vRRHs 412a, 412b, 412c include RCMF, RFM, RBF, RVA, and RPAs 1-4. The vRRHs 412a, 412b, and 412c establish virtual data communication links with BU1, BU2, and BU3, respectively, and communicate with the mobile device through the established virtual data communication links. The RCMF can handle different types of transport protocols, such as CPRI, ROE and New Fronthaul Protocol (NFP). The RFM manages the different bearer/transport streams and assigns the bearers/transport streams to the appropriate data processing functional modules. The RBF performs part of the baseband unit function according to the service requests of BU1, BU2, and BU3. The RVA includes virtual antenna 1 , virtual antenna 2 and virtual antenna 3 . The RPAs 1-4 are shared by multiple RVA functional modules. The BU1, BU2, and BU3 send data to the target mobile device through the RPAs 1-4.
同样地,在图4B中,所述软件化远程无线头410b被分割成6个pRRH,并创建6个与网络运营商的用户应用程序BU1a/b、BU2a/b、及BU3a/b对应的vRRH。每一建立的虚拟RRH与网络运营商的一个用户应用程序对应。所述vRRH 414a被分配给运行有应用程序1(如eMBB)的BU1a。所述vRRH414b被分配给运行有应用程序2(如mMTC)的BU1b。所述vRRH 414c被分配给运行有应用程序1(如UR&LLC)的BU2a。所述vRRH 414d被分配给运行有应用程序2(如mMBB)的BU2b。所述vRRH 414e被分配给运行有应用程序1(如mMTC)的BU3a。所述vRRH 414f被分配给运行有应用程序2(如UR&LLC)的BU3b。所述vRRHs 412a-f包括RCMF,RFM,RBF,RVA,及RPAs1-4。所述RPAs 1-4用于为所述BU1a/b,BU2a/b,及BU3a/b建立虚拟数据通信链路以使通过建立的数据通信链路与移动装置进行数据通信。本发明中图4B中的模块RCMF、RFM、RBF、RVA、及RPAs1-4与图4A中的模块RCMF、RFM、RBF、RVA、及RPAs 1-4一样,因此,这里不再详述。Likewise, in Figure 4B, the software-enabled remote radio head 410b is split into 6 pRRHs and creates 6 vRRHs corresponding to the network operator's user applications BU1a/b, BU2a/b, and BU3a/b . Each established virtual RRH corresponds to a user application of the network operator. The vRRH 414a is assigned to BU1a running Application 1 (eg eMBB). The vRRH414b was assigned to BU1b running Application 2 (eg mMTC). The vRRH 414c is assigned to BU2a running Application 1 (eg UR&LLC). The vRRH 414d is assigned to BU2b running Application 2 (eg mMBB). The vRRH 414e is assigned to BU3a running Application 1 (eg mMTC). The vRRH 414f is assigned to BU3b running Application 2 (eg UR&LLC). The vRRHs 412a-f include RCMF, RFM, RBF, RVA, and RPAs1-4. The RPAs 1-4 are used to establish virtual data communication links for the BU1a/b, BU2a/b, and BU3a/b to enable data communication with the mobile device through the established data communication links. The modules RCMF, RFM, RBF, RVA, and RPAs 1-4 in FIG. 4B in the present invention are the same as the modules RCMF, RFM, RBF, RVA, and RPAs 1-4 in FIG. 4A, and therefore are not described in detail here.
RRH资源能够被动态地分割成虚拟的RRH及被分配给不同的网络运营商(如运营商1-3)以保证服务的质量及安全隔离。RRH resources can be dynamically partitioned into virtual RRHs and allocated to different network operators (eg, operators 1-3) to ensure service quality and security isolation.
如图5-8示出了一实施方式中无线接入网络系统的操作步骤的示意图。图5所示为本发明一实施方式中无线服务供应的初始阶段的示意图。该步骤开始于阶段P1-1。在该阶段P1-1中,OSS 32a、32b向协调器241发送一要求RRH资源的请求。所示协调器241根据该请求分配RRH、FH资源并创建无线数据处理图。Figures 5-8 show schematic diagrams of operation steps of a wireless access network system in an embodiment. FIG. 5 is a schematic diagram illustrating an initial stage of wireless service provisioning in an embodiment of the present invention. This step starts at stage P1-1. In this phase P1-1, the OSS 32a, 32b sends to the coordinator 241 a request for RRH resources. The illustrated coordinator 241 allocates RRH, FH resources and creates a wireless data processing graph according to the request.
特别地,在步骤510中,OSS(如支持系统22a、22b)向一协调器241传送一BBU/RRH/FH配置文件以请求共享RRH pool 21中的RRH资源。然后在步骤515中,描述RRH资源需求的配置文件被建立,描述FH资源需求的配置文件被建立,描述BBU属性的BBU配置文件被建立。所述RRH资源需求包括空中接口、频率、带宽、位置、天线拓扑结构、功能分离、压缩及传送协议等。所述FH资源需求包括带宽、服务质量等。所述BBU属性包括BBU身份、地址等。Specifically, in step 510 , the OSS (eg, the support systems 22 a , 22 b ) transmits a BBU/RRH/FH configuration file to a coordinator 241 to request to share the RRH resources in the RRH pool 21 . Then in step 515, a configuration file describing RRH resource requirements is created, a configuration file describing FH resource requirements is created, and a BBU configuration file describing BBU attributes is created. The RRH resource requirements include air interface, frequency, bandwidth, location, antenna topology, function separation, compression and transmission protocols, and the like. The FH resource requirements include bandwidth, quality of service, and the like. The BBU attributes include BBU identity, address, and the like.
在步骤520中,所述协调器241根据所述BBU/RRH/FH配置文件创建无线数据处理图并将创建的无线数据处理图转变成特定的命令。所述协调器241根据所述具体命令与SD-RRH控制器242及FH控制器231通信连接。所述协调器241并将所述具体命令发送给SD-RRH控制器242。所述SD-RRH控制器242根据所述具体命令分配RRH资源。In step 520, the coordinator 241 creates a wireless data processing graph according to the BBU/RRH/FH configuration file and converts the created wireless data processing graph into a specific command. The coordinator 241 communicates with the SD-RRH controller 242 and the FH controller 231 according to the specific command. The coordinator 241 sends the specific command to the SD-RRH controller 242. The SD-RRH controller 242 allocates RRH resources according to the specific command.
在步骤530中,所述SD-RRH控制器242分配所述RRH资源并创建vRRH配置文件。所述RRH资源例如物理设备或共享RRH pool 21的资源。所述SD-RRH控制器242创建虚拟RRH与物料RRH之间的映射的步骤如下:In step 530, the SD-RRH controller 242 allocates the RRH resources and creates a vRRH profile. The RRH resources are, for example, physical devices or resources of the shared RRH pool 21 . The steps for the SD-RRH controller 242 to create the mapping between the virtual RRH and the material RRH are as follows:
将vRRH用vRRH-ID表示;Represent vRRH with vRRH-ID;
将pRRH用{pRRH Slice-ID}或{Tx/Rx SigPath-ID}表示;Represent pRRH with {pRRH Slice-ID} or {Tx/Rx SigPath-ID};
将,其中,每一发送或接收信号的路径(Tx/Rx SigPath)由pRRH片控制;where, the path (Tx/Rx SigPath) of each transmit or receive signal is controlled by the pRRH slice;
所述SD-RRH控制器242回复所述协调器241。The SD-RRH controller 242 replies to the coordinator 241 .
在步骤540中,所述协调器241将所述具体命令传送给FH控制器以使FH控制器231分配FH资源。所述FH控制器231分配FH资源并创建虚拟FH网络。所述FH控制器231进一步创建在虚拟FH网络与物理FH网络之间的映射。可以理解的是,本发明中步骤520及540的步骤是可以互换的。In step 540, the coordinator 241 transmits the specific command to the FH controller to cause the FH controller 231 to allocate FH resources. The FH controller 231 allocates FH resources and creates a virtual FH network. The FH controller 231 further creates a mapping between the virtual FH network and the physical FH network. It can be understood that the steps of steps 520 and 540 in the present invention can be interchanged.
在步骤550中,无论成功或失败,所述FH控制器231传送一回复给所述协调器。在一实施方式中,所述协调器241还根据SD-RRH控制器242及FH控制器231的回复更新或调整无线数据处理图。In step 550, regardless of success or failure, the FH controller 231 transmits a reply to the coordinator. In one embodiment, the coordinator 241 also updates or adjusts the wireless data processing map according to the replies from the SD-RRH controller 242 and the FH controller 231 .
然后,该步骤进入阶段p1-2。在该阶段p1-2中协调器241将RRH配置文件应用在所述SD-RRH控制器24中。所述SD-RRH控制器242创建vRRH与PRRH之间的映射。其中,所述vRRH可以用vRRH-ID表示,所述pRRH用pRRH片ID{pRRH Slice-ID}或发送/接收信号路径的ID{Tx/Rx SigPath-ID}表示。然后,所述SD-RRH控制器24将RRH-PG转变为物理RRH对应的配置文件并通过SB接口按照转变的配置文件进行配置。Then, the step proceeds to stage p1-2. In this phase p1-2, the coordinator 241 applies the RRH profile in the SD-RRH controller 24. The SD-RRH controller 242 creates a mapping between vRRHs and PRRHs. The vRRH may be represented by a vRRH-ID, and the pRRH may be represented by a pRRH slice ID {pRRH Slice-ID} or an ID {Tx/Rx SigPath-ID} of a transmit/receive signal path. Then, the SD-RRH controller 24 converts the RRH-PG into a configuration file corresponding to the physical RRH and configures it according to the converted configuration file through the SB interface.
在步骤560中,所述协调器241请求所述SD-RRH控制器242将虚拟RRH的RRH配置文件应用在虚拟的RRH上。In step 560, the coordinator 241 requests the SD-RRH controller 242 to apply the RRH configuration file of the virtual RRH to the virtual RRH.
在步骤570,所述SD-RRH控制器242将所述虚拟RRH的配置文件转变为对应的物理RRH的配置文件,并将所述转变的配置文件通过SB接口应用在所述物理RRH上,如共享RRHPool 21。在步骤575中,所述物理RRH建立内部单元并创建虚拟的RRH功能块。In step 570, the SD-RRH controller 242 converts the configuration file of the virtual RRH into the configuration file of the corresponding physical RRH, and applies the converted configuration file to the physical RRH through the SB interface, such as Share RRHPool 21. In step 575, the physical RRH builds internal cells and creates virtual RRH functional blocks.
在步骤580中,无论成功或失败,所述物理RRH回复所述SD-RRH控制器242。In step 580, whether successful or unsuccessful, the physical RRH replies to the SD-RRH controller 242.
在步骤590中,无论成功或失败,所述SD-RRH控制器242回复所述协调器。阶段P1-2结束。In step 590, whether successful or unsuccessful, the SD-RRH controller 242 replies to the coordinator. Phase P1-2 ends.
请参考图6,所示为本发明一实施方式中无线服务供应的后续阶段的过程示意图。该过程从阶段P1-3开始。在阶段P1-3中,所述协调器241将前传配置文件应用在所述FH控制器231中,使得所述FH控制器231将RRH-PG转变为物理网络配置文件,并通过SB接口进行相应的配置。Please refer to FIG. 6 , which is a schematic diagram of a subsequent stage of wireless service provisioning in an embodiment of the present invention. The process starts from stage P1-3. In phase P1-3, the coordinator 241 applies the fronthaul configuration file to the FH controller 231, so that the FH controller 231 converts the RRH-PG into a physical network configuration file, and performs corresponding actions through the SB interface Configuration.
在步骤620中,FH控制器231将虚拟FH网络设备配置文件转变为物理FH网络设备配置文件,并通过SB接口按照转换的物理FH网络设备配置文件配置物理FH网络设备。In step 620, the FH controller 231 converts the virtual FH network device configuration file into a physical FH network device configuration file, and configures the physical FH network device according to the converted physical FH network device configuration file through the SB interface.
在步骤630中,无论成功或失败,所述物理FH网络设备回复所述FH控制器。In step 630, regardless of success or failure, the physical FH network device replies to the FH controller.
在步骤640中,无论成功或失败,所述FH控制器231回复所述协调器241。阶段P1-3结束。In step 640, regardless of success or failure, the FH controller 231 replies to the coordinator 241. Phase P1-3 ends.
在步骤650中,所述协调器242向所述OSS回复vRRH。阶段P1-4结束。In step 650, the coordinator 242 replies vRRH to the OSS. Phase P1-4 ends.
请参考图7,所示为本发明一实施方式中无线服务供应的第二阶段的过程示意图。该过程从阶段P2-1开始。在所述阶段P2-1中,BBU建立与vRRH之间的连接。然后,所述BBU通过统一接口相vRRH发送一连接请求。所述SD-RRH控制器242建立vRRH与pRRH之间的映射。其中,所述vPPH用vRRH-ID表示,所述pRRH用pRRH片ID{pRRH Slice-ID}或发送/接收信号路径的ID{Tx/Rx SigPath-ID}表示。所述SD-RRH控制器242通过SB接口配置所述pRRH,并向所述BBU回复一连接结果。Please refer to FIG. 7 , which is a schematic diagram of a second stage of wireless service provisioning in an embodiment of the present invention. The process starts at stage P2-1. In the phase P2-1, the BBU establishes a connection with the vRRH. Then, the BBU sends a connection request to the vRRH through the unified interface. The SD-RRH controller 242 establishes a mapping between vRRH and pRRH. Wherein, the vPPH is represented by a vRRH-ID, and the pRRH is represented by a pRRH slice ID {pRRH Slice-ID} or an ID {Tx/Rx SigPath-ID} of a transmit/receive signal path. The SD-RRH controller 242 configures the pRRH through the SB interface, and returns a connection result to the BBU.
在步骤710中,所述OSS322向所述EMS发送一第一连接请求。所述第一连接请求包括vRRH信息。In step 710, the OSS 322 sends a first connection request to the EMS. The first connection request includes vRRH information.
在步骤720中,所述EMS向所述BBU传送所述第一连接请求。In step 720, the EMS transmits the first connection request to the BBU.
在步骤730中,所述BBU通过SD-RRH控制器242的统一接口向所述vRRH发送一第二连接请求。在子步骤735中,所述SD-RRH控制器242在vRRH与pRRH之间执行映射。In step 730, the BBU sends a second connection request to the vRRH through the unified interface of the SD-RRH controller 242. In sub-step 735, the SD-RRH controller 242 performs mapping between vRRH and pRRH.
在步骤740中,所述SD-RRH控制器242通过SB接口配置所述pRRH。In step 740, the SD-RRH controller 242 configures the pRRH through the SB interface.
在步骤750中,无论成功或失败,所述pRRH回复所述SD-RRH控制器242。In step 750, whether successful or unsuccessful, the pRRH replies to the SD-RRH controller 242.
在步骤760中,无论成功或失败,所述SD-RRH控制器242将连接结果回复给所述BBU。阶段P2-1结束。In step 760, regardless of success or failure, the SD-RRH controller 242 replies the connection result to the BBU. Phase P2-1 ends.
该过程继续进行阶段P2-2。在该阶段P2-2中,所述无线数据流建立在所述BBU及pRRH之间。其中发送信号路径为下行路径,所述下行路径为:BBU→pRRH→天线,接收信号的路径为上行路径,所述上行路径为:天线→pRRH→BBU。无线数据流协议可以是CPRI、RoE及新前传协议(New Fronthaul Protocol,NFP)。在ROE协议中,每一无线数据流由所述无线流ID验证。所述无线流ID与RRH内部的发送/接收信号路径相关联。The process continues with stage P2-2. In this phase P2-2, the wireless data flow is established between the BBU and the pRRH. The sending signal path is a downlink path, the downlink path is: BBU→pRRH→antenna, and the receiving signal path is an uplink path, and the uplink path is: antenna→pRRH→BBU. The wireless data flow protocol may be CPRI, RoE and New Fronthaul Protocol (NFP). In the ROE protocol, each wireless data flow is authenticated by the wireless flow ID. The radio flow ID is associated with the transmit/receive signal path inside the RRH.
在步骤770中,所述BBU利用Flow-ID建立BBU及pRRH之间的无线数据流。In step 770, the BBU uses the Flow-ID to establish a wireless data flow between the BBU and the pRRH.
在步骤780,无论成功或失败,所述物理RRH回复所述pRRH。阶段P2-2结束。At step 780, whether successful or unsuccessful, the physical RRH replies to the pRRH. Phase P2-2 ends.
请参考图8,所述为本发明一实施方式中,无线服务供应的第三阶段的过程示意图。该过程从阶段P3开始。在阶段P3中,在云无线接入网域中的一BBU能够与共享RRH pool中的pRRH进行数据通信。Please refer to FIG. 8 , which is a schematic diagram of a third stage of wireless service provisioning in an embodiment of the present invention. The process starts at stage P3. In phase P3, a BBU in the cloud radio access network domain can perform data communication with the pRRHs in the shared RRH pool.
在步骤810中,所述BBU与所述pRRH建立无线数据流。阶段P3结束。In step 810, the BBU establishes a wireless data flow with the pRRH. Phase P3 ends.
请参考图9-10,所述为本发明一实施方式中无线接入网的系统模型的物理排列的示意图。图9示出了无线服务链的逻辑数据模型如何映射到物理装置,及描述物理装置内部每个功能模块的位置及连接关系。第一网络运营商网域92a(运营商A)与第二网络运营商网域92b(运营商B)分别与网络基础设施94相连接。Please refer to FIGS. 9-10 , which are schematic diagrams of physical arrangement of a system model of a wireless access network in an embodiment of the present invention. FIG. 9 shows how the logical data model of the wireless service chain is mapped to the physical device, and describes the position and connection relationship of each functional module inside the physical device. The first network operator network domain 92a (operator A) and the second network operator network domain 92b (operator B) are respectively connected to the network infrastructure 94 .
在本发明中的软件化共享远程无线头集结构的灵活性允许构建一个独立的RSC运营商(所述网络基础设施94的供货商)。所述网络基础设施94包括共享前传网络93及共享远程无线头集91。所述共享远程无线头集91由一虚拟化层940控制及管理。所述虚拟化层940包括RRH Infra协调器941及FH控制器943。所述RRH Infra协调器941与所述SD-RRH控制器942相连接。所述共享前传网络93与所述FH控制器943相连接。所述RRH Infra协调器941能够通过SD-RRH控制器942及FH控制器943动态地分配网络资源。The flexibility of the software-based shared remote radio headset structure in the present invention allows the construction of an independent RSC operator (the provider of the network infrastructure 94). The network infrastructure 94 includes a shared fronthaul network 93 and a shared remote radio head set 91 . The shared remote radio head set 91 is controlled and managed by a virtualization layer 940 . The virtualization layer 940 includes the RRH Infra coordinator 941 and the FH controller 943 . The RRH Infra coordinator 941 is connected to the SD-RRH controller 942 . The shared fronthaul network 93 is connected to the FH controller 943 . The RRH Infra coordinator 941 can dynamically allocate network resources through the SD-RRH controller 942 and the FH controller 943 .
每一网络运营商域92a、92b包括OSS模块922a、922b。所述OSS模块922a、922b与一MNO NFV协调器921a、921b相连接。所述MNO NFV协调器921a、921b中的每一协调器通过Or-Vi接口与虚拟基础设施管理(virtualized infrastructure manager,VIM)模块相连接。所述NFV架构采用网络功能虚拟化基础设施结构(network function virtualizationinfrastructure,NFVI)。所述网络功能虚拟化基础设施结构包括软、硬件,用于提供部署虚拟网络功能(virtual network functions,VNFs)所需的基础设施资源。虚拟基础设施管理器(virtualized infrastructure manager,VIM)控制管理一网络虚拟化基础设施接口函数(network function virtualization infrastructure interface,NFVI)以对运营商域中的网络资源进行计算、存储及管理。在一实施方式中,所述MNO NFV协调器921a、921b与其他VIM模块相连接。所述其他VIM模块包括,但不限于云无线接入网域(BBU)VIM模块、核心VIM模块。Each network operator domain 92a, 92b includes an OSS module 922a, 922b. The OSS modules 922a, 922b are connected to an MNO NFV coordinator 921a, 921b. Each of the MNO NFV coordinators 921a, 921b is connected to a virtualized infrastructure manager (VIM) module through an Or-Vi interface. The NFV architecture adopts a network function virtualization infrastructure (NFVI). The network function virtualization infrastructure structure includes software and hardware for providing infrastructure resources required for deploying virtual network functions (VNFs). A virtualized infrastructure manager (VIM) controls and manages a network function virtualization infrastructure interface (NFVI) to compute, store and manage network resources in the operator domain. In one embodiment, the MNO NFV coordinators 921a, 921b are connected to other VIM modules. The other VIM modules include, but are not limited to, cloud radio access domain (BBU) VIM modules and core VIM modules.
网络运营商域92a、92b中的MNO NFV协调器921a、921b通过共享RRH infra VIM923a/b与网络基础设施94的RRH Infra协调器941相连接。在一实施方式中,所述共享RRHinfra VIM 923a/b分配在网络运营商92a、92b中并由网络运营商域92a、92b拥有以用作NFV管理和协调。所述共享RRH infra VIM 923a/b通过统一接口与所述RRH Infra协调器941通信连接。The MNO NFV coordinators 921a, 921b in the network operator domains 92a, 92b are connected to the RRH Infra coordinator 941 of the network infrastructure 94 through the shared RRH infra VIM 923a/b. In one embodiment, the shared RRHinfra VIMs 923a/b are allocated in the network operator 92a, 92b and owned by the network operator domain 92a, 92b for NFV management and coordination. The shared RRH infra VIM 923a/b communicates with the RRH Infra coordinator 941 through a unified interface.
作为不同的选择,如图10所示,在其他实施方式中,所述共享RRH infra VIM923a/b分配在网络基础设施94中。在一实施方式中,所述RRH Infra VIM与所述RRH Infra协调器941整合在一起构成网络基础设施94的一部分。网络运营商域92a、92b中的MNO NFV协调器921a、921b通过所述统一接口(如Or-Vi接口)与网络基础设施94的协调器941相通信连接。图10中剩余的网络结构部分与图9中网络结构相类似,这里不再重复描述。Alternatively, as shown in FIG. 10, in other embodiments, the shared RRH infra VIM 923a/b is allocated in the network infrastructure 94. In one embodiment, the RRH Infra VIM is integrated with the RRH Infra Coordinator 941 to form part of the network infrastructure 94 . The MNO NFV coordinators 921a, 921b in the network operator domains 92a, 92b are communicatively connected with the coordinator 941 of the network infrastructure 94 through the unified interface (eg, the Or-Vi interface). The remaining part of the network structure in FIG. 10 is similar to the network structure in FIG. 9 , and the description is not repeated here.
图11-14为本发明中无线接入网络系统侧操作流程图。所述该无线接入网系统采用图9及10中的NFV架构。进一步地,图11-14示出了采用图9及图10中的NFV架构的无线接入网络系统的操作流程。11-14 are flow charts of operations on the radio access network system side in the present invention. The radio access network system described above adopts the NFV architecture in FIGS. 9 and 10 . Further, FIGS. 11-14 show the operation flow of the radio access network system adopting the NFV architecture in FIGS. 9 and 10 .
图11示出一实施方式中无线服务供应初始阶段的示意图。该步骤从阶段P1-1开始。在所述阶段P1-1中,所述OSS向所述RRH Infra协调器941请求RRH资源。所述RRH Infra协调器941触发一连串的程序以分配共享远程无线头集91的RRH资源及RH资源并建立相应的无线数据处理图表。FIG. 11 shows a schematic diagram of the initial stage of wireless service provisioning in one embodiment. This step starts with phase P1-1. In the phase P1-1, the OSS requests the RRH Infra coordinator 941 for RRH resources. The RRH Infra coordinator 941 triggers a series of procedures to allocate RRH resources and RH resources that share the remote radio head set 91 and create corresponding radio data processing diagrams.
在步骤1110a中,所述OSS将所述BBU/RRH/FH配置文件传送给MNO NFV协调器921a、921b以请求RRH infra network资源。所述RRH的配置文件包含所述RRH资源的服务需求,例如,所述RRH资源服务需求可以为空中接口、频率、带宽、位置、天线拓扑结构、功能分离、压缩及传送协议等。所述FH配置文件包括FH资源的服务需求,例如,所述FH资源的服务需求可以为带宽、服务质量等。所述BBU配置文件包括所述BBU的属性,例如所述BBU属性包括BBU身份、地址及要求创建无线数据处理图表的信息等。所述无线数据处理图表用于建立无线数据流。In step 1110a, the OSS transmits the BBU/RRH/FH configuration file to the MNO NFV coordinators 921a, 921b to request RRH infra network resources. The configuration file of the RRH includes service requirements of the RRH resources, for example, the RRH resource service requirements may be air interface, frequency, bandwidth, location, antenna topology, function separation, compression and transmission protocols, and the like. The FH configuration file includes service requirements of the FH resources, for example, the service requirements of the FH resources may be bandwidth, service quality, and the like. The BBU configuration file includes attributes of the BBU, for example, the BBU attributes include BBU identity, address, and information required to create a wireless data processing chart, and the like. The wireless data processing graph is used to establish a wireless data flow.
在步骤1110b中,所述MNO NFV协调器921a、921b将BBU/RRH/FH配置文件传送给所述RRH VIM(例如,图9中共享的RRH Infra VIM 923ab)。In step 1110b, the MNO NFV coordinators 921a, 921b transmit the BBU/RRH/FH profile to the RRH VIM (eg, the shared RRH Infra VIM 923ab in Figure 9).
在步骤1110c中,所述RRH VIM将所述BBU/RRH/FH配置文件转发给所述RRH Infra协调器941。In step 1110c, the RRH VIM forwards the BBU/RRH/FH configuration file to the RRH Infra coordinator 941.
在中间步骤1115中,所述RRH Infra协调器941根据所述BBU/RRH/FH配置文件创建无线数据处理图表,并将所述无线数据处理图表转变为用于与所述SD-RRH控制器942及FH控制器940进行通信的具体命令。所述RRH Infra协调器941将所述具体命令传送给所述SD-RRH控制器942及FH控制器943。In an intermediate step 1115, the RRH Infra coordinator 941 creates a wireless data processing diagram according to the BBU/RRH/FH profile, and converts the wireless data processing diagram for communication with the SD-RRH controller 942 and the specific command to communicate with the FH controller 940. The RRH Infra coordinator 941 transmits the specific command to the SD-RRH controller 942 and the FH controller 943 .
在步骤1120中,所述RRH Infra协调器941将所述具体命令传送给所述SD-RRH控制器942以分配RRH资源。在中间步骤1125中,所述SD-RRH控制器942分配RRH资源并创建一虚拟RRH(vRRH)。所述SD-RRH控制器942进一步创建从虚拟RRH到物理RRH的映射。所述vRRH可以用vRRH-ID表示,所述pRRH用pRRH片ID{pRRH Slice-ID}或发送/接收信号路径的ID{Tx/Rx SigPath-ID}表示。In step 1120, the RRH Infra coordinator 941 transmits the specific command to the SD-RRH controller 942 to allocate RRH resources. In an intermediate step 1125, the SD-RRH controller 942 allocates RRH resources and creates a virtual RRH (vRRH). The SD-RRH controller 942 further creates a mapping from virtual RRHs to physical RRHs. The vRRH may be represented by vRRH-ID, and the pRRH may be represented by pRRH slice ID {pRRH Slice-ID} or transmit/receive signal path ID {Tx/Rx SigPath-ID}.
在步骤1130中,无论成功或失败,所述SD-RRH控制器942回复所述RRH Infra协调器941。In step 1130, regardless of success or failure, the SD-RRH controller 942 replies to the RRH Infra coordinator 941.
在步骤1140中,所述RRH Infra协调器941将所述具体命令发送给所述FH控制器940以使FH控制器940分配FH资源。In step 1140, the RRH Infra coordinator 941 sends the specific command to the FH controller 940 so that the FH controller 940 allocates FH resources.
在步骤1150中,所述FH控制器940分配所述FH资源并建立一虚拟FH网络。所述FH控制器940建立一虚拟FH网络设备到物理FH网络设备的映射。在一实施方式中,所述RRHInfra协调器941根据所述SD-RRH控制器942及FH控制器940更新或调整所述无线数据处理图表。阶段P1-1结束。In step 1150, the FH controller 940 allocates the FH resources and establishes a virtual FH network. The FH controller 940 establishes a mapping of virtual FH network devices to physical FH network devices. In one embodiment, the RRHInfra coordinator 941 updates or adjusts the wireless data processing graph according to the SD-RRH controller 942 and the FH controller 940 . Phase P1-1 ends.
在阶段P1-2中,所述RRH Infra协调器941将RRH配置文件应用在所述SD-RRH控制器942中。所述SD-RRH控制器942创建vRRH到PRRH的映射。其中,所述vRRH可以用vRRH-ID表示,所述pRRH用pRRH片ID{pRRH Slice-ID}或发送/接收信号路径的ID{Tx/Rx SigPath-ID}表示。然后,所述SD-RRH控制器942将RRH-PG转变为物理RRH对应的配置文件并通过SB接口按照转变的配置文件进行配置。In phase P1-2, the RRH Infra coordinator 941 applies the RRH profile in the SD-RRH controller 942. The SD-RRH controller 942 creates a vRRH to PRRH mapping. The vRRH may be represented by a vRRH-ID, and the pRRH may be represented by a pRRH slice ID {pRRH Slice-ID} or an ID {Tx/Rx SigPath-ID} of a transmit/receive signal path. Then, the SD-RRH controller 942 converts the RRH-PG into a configuration file corresponding to the physical RRH and configures it according to the converted configuration file through the SB interface.
在步骤1160中,所述协调器请求所述SD-RRH控制器942将虚拟RRH的RRH配置文件应用在虚拟的RRH上。从而使得,所述RRH Infra协调器941将所述具体命令发送给SD-RRH控制器942以使SD-RRH控制器942分配RRH资源。In step 1160, the coordinator requests the SD-RRH controller 942 to apply the RRH profile of the virtual RRH to the virtual RRH. Therefore, the RRH Infra coordinator 941 sends the specific command to the SD-RRH controller 942 so that the SD-RRH controller 942 allocates RRH resources.
在步骤1170,所述SD-RRH控制器942将所述虚拟RRH的配置文件转变为对应的物理RRH的配置文件,并将所述转变的配置文件通过SB接口应用在所述物理RRH上。在步骤1175中,所述物理RRH建立内部单元并创建相应的虚拟的RRH功能块。In step 1170, the SD-RRH controller 942 converts the configuration file of the virtual RRH into a configuration file of the corresponding physical RRH, and applies the converted configuration file to the physical RRH through the SB interface. In step 1175, the physical RRH establishes internal units and creates corresponding virtual RRH functional blocks.
在步骤1180中,无论成功或失败,所述物理RRH回复所述SD-RRH控制器942。In step 1180, whether successful or unsuccessful, the physical RRH replies to the SD-RRH controller 942.
在步骤1190中,无论成功或失败,所述SD-RRH控制器942回复所述协调器。阶段P1-2结束。In step 1190, whether successful or unsuccessful, the SD-RRH controller 942 replies to the coordinator. Phase P1-2 ends.
图12示出了本发明一实施方式中无线服务供应的后续阶段的过程示意图。该过程从阶段P1-3开始。在阶段P1-3中,所述RRH Infra协调器941将前传配置文件应用在所述FH控制器940中,使得所述FH控制器940将RRH-PG转变为物理网络配置文件,并通过SB接口进行相应的配置。FIG. 12 shows a schematic process diagram of subsequent stages of wireless service provisioning in an embodiment of the present invention. The process starts from stage P1-3. In phase P1-3, the RRH Infra coordinator 941 applies the fronthaul configuration file to the FH controller 940, so that the FH controller 940 converts the RRH-PG into a physical network configuration file and transmits it through the SB interface Configure accordingly.
在步骤1220中,所述FH控制器940将虚拟FH网络设备配置文件转变为物理FH网络设备配置文件,并通过SB接口按照转换的物理FH网络设备配置文件配置物理FH网络设备。In step 1220, the FH controller 940 converts the virtual FH network device configuration file into a physical FH network device configuration file, and configures the physical FH network device according to the converted physical FH network device configuration file through the SB interface.
在步骤1230中,无论成功或失败,所述物理FH网络设备回复所述FH控制器。In step 1230, regardless of success or failure, the physical FH network device replies to the FH controller.
在步骤1240中,无论成功或失败,所述FH控制器940回复所述RRH Infra协调器941。阶段P1-3结束。In step 1240, regardless of success or failure, the FH controller 940 replies to the RRH Infra coordinator 941. Phase P1-3 ends.
该过程继续进行阶段P1-4。在所述阶段P1-4中,所述RRH Infra协调器941向运营商域(例如,运营商A)的所述OSS回复一vRRH。The process continues with stages P1-4. In the phase P1-4, the RRH Infra coordinator 941 replies a vRRH to the OSS in the operator domain (eg, operator A).
在步骤1250a中,所述RRH Infra协调器941向所述RRH VIM回复vRRH。然后,在步骤中1250b中,所述RRH VIM向所述MNO NFV协调器921a/b回复vRRH。最后,在步骤125c中,所述MNO NFV协调器921a/b向所述OSS回复vRRH。In step 1250a, the RRH Infra coordinator 941 replies vRRH to the RRH VIM. Then, in step 1250b, the RRH VIM replies vRRH to the MNO NFV coordinator 921a/b. Finally, in step 125c, the MNO NFV coordinator 921a/b replies vRRH to the OSS.
请同时参考图13以及图14。图13所示为本发明中无线服务供应第二阶段的示意图。图14所示为本发明中无线服务供应第三阶段的示意图。Please refer to Figure 13 and Figure 14 at the same time. FIG. 13 is a schematic diagram showing the second stage of wireless service provisioning in the present invention. FIG. 14 is a schematic diagram showing the third stage of wireless service provisioning in the present invention.
在阶段P2中,所述RRH VIM 923a/b建立与vRRH之间的连接。然后,所述RRH VIM923a/b通过统一接口向vRRH发送一连接请求。所述SD-RRH控制器942建立vRRH与pRRH之间的映射。其中,所述vPPH用vRRH-ID表示,所述pRRH用pRRH片ID{pRRH Slice-ID}或发送/接收信号路径的ID{Tx/Rx SigPath-ID}表示。所述SD-RRH控制器942通过SB接口配置所述pRRH,并向所述RRH VIM 923a/b回复一连接结果。阶段P2的过程与图7中示出的过程相类似,这里不再重复描述。In phase P2, the RRH VIM 923a/b establishes a connection with the vRRH. Then, the RRH VIM923a/b sends a connection request to the vRRH through the unified interface. The SD-RRH controller 942 establishes the mapping between vRRH and pRRH. Wherein, the vPPH is represented by a vRRH-ID, and the pRRH is represented by a pRRH slice ID {pRRH Slice-ID} or an ID {Tx/Rx SigPath-ID} of a transmit/receive signal path. The SD-RRH controller 942 configures the pRRH through the SB interface, and returns a connection result to the RRH VIM 923a/b. The process of stage P2 is similar to the process shown in FIG. 7 , and the description is not repeated here.
在所述RRH VIM 923a/b与所述pRRH之间的无线数据流建立后,该过程进入阶段P3。在阶段P3中(如图14所示),在C-RAN域中的一RRH VIM能够与共享RRH pool中的pRRH进行数据通信。在一实施方式中,所述RRH VIM与所述pRRH建立无线数据流。具体地,所述RHHVM 923a/b能够建立与所述pRRH(如阶段P3)无线数据流。所述阶段P3的过程与图8示出的过程相类似,这里不再重复描述。After the wireless data flow between the RRH VIM 923a/b and the pRRH is established, the process enters phase P3. In phase P3 (shown in Figure 14), an RRH VIM in the C-RAN domain is capable of data communication with pRRHs in the shared RRH pool. In one embodiment, the RRH VIM establishes a wireless data flow with the pRRH. Specifically, the RHHVM 923a/b can establish a wireless data flow with the pRRH (eg, phase P3). The process of the phase P3 is similar to the process shown in FIG. 8 , and the description is not repeated here.
请一并参考图15,所示为本发明一实施方式中SD-RRH控制器1500的结构示意图。在本实施方式中,所述SD-RRH控制器1500的结构与图2中的SD-RRH控制器242的结构相同。Please also refer to FIG. 15 , which is a schematic structural diagram of an SD-RRH controller 1500 according to an embodiment of the present invention. In this embodiment, the structure of the SD-RRH controller 1500 is the same as that of the SD-RRH controller 242 in FIG. 2 .
所述SD-RRH控制器1500分别与协调器(图中未示),BBU,物理RRH通信连接。在图15中,实线表示物理的网络连接(可以是无线网络连接或有线网络连接)。虚线表示软件接口以及相应的硬件设备之间的连接。The SD-RRH controller 1500 is in communication connection with the coordinator (not shown in the figure), the BBU, and the physical RRH, respectively. In FIG. 15, the solid lines represent physical network connections (which may be wireless network connections or wired network connections). The dashed lines represent the software interfaces and the connections between the corresponding hardware devices.
所述SD-RRH控制器1500将所述物理RRH资源分割成多个片,并根据一个或多个片创建软件化虚拟RRH。所述SD-RRH控制器1500进一步根据所述OSS请求分配RRH资源并配置pRRH。The SD-RRH controller 1500 divides the physical RRH resource into a plurality of slices, and creates a software-based virtual RRH according to one or more slices. The SD-RRH controller 1500 further allocates RRH resources and configures pRRH according to the OSS request.
所述SD-RRH控制器1500包括多个软件化的功能块。所述功能块至少包括资源分配应用程序接口(resource allocation application program interface,resourceallocation API)1501、控制管理(C&M)API1502、资源配置服务(RAS)1503、验证器1504、控制管理服务1505、vRRH管理器1506、RRH信息库(RRH Information Base,RIB)1507、RRH片集1508、vRRH注册表1509、资源管理器1510、连接管理器1511、日志记录器1512、控制及管理协议库1513、及监控检测器1514。在至少一实施方式中,所述SD-RRH控制器1500包括一处理器及一存储器。所述处理器能够执行所述功能模块。The SD-RRH controller 1500 includes a number of software-based functional blocks. The functional blocks include at least a resource allocation application program interface (resourceallocation API) 1501, a control management (C&M) API 1502, a resource allocation service (RAS) 1503, a validator 1504, a control management service 1505, a vRRH manager 1506, RRH Information Base (RIB) 1507, RRH slice set 1508, vRRH registry 1509, resource manager 1510, connection manager 1511, log recorder 1512, control and management protocol library 1513, and monitoring detector 1514. In at least one embodiment, the SD-RRH controller 1500 includes a processor and a memory. The processor is capable of executing the functional modules.
所述资源分配API 1501通过软件接口与所述协调器连接。所述控制管理API1502与一BBU连接。所述RAS103与所述RRH片集1508相连接。所述vRRH管理器1506与所述RRH片集RRH片集1508相连接。所述资源管理器1510分别与所述RRH信息库1507及RRH片集1508相连接。所述控制及管理协议库1513与所述物理RRH相连接。The resource allocation API 1501 is connected to the coordinator through a software interface. The control management API 1502 is connected to a BBU. The RAS 103 is connected to the RRH slice set 1508 . The vRRH manager 1506 is connected to the RRH slice set RRH slice set 1508 . The resource manager 1510 is connected to the RRH information base 1507 and the RRH slice set 1508, respectively. The control and management protocol library 1513 is connected to the physical RRH.
所述资源分配API 1501通过软件接口与所述协调器(如协调器241)相连接。所述控制及管理API 222与基带单元(如基带单元221a/b)相连接。所述RAS 1503与RRH片集1508相连接。所述vRRH管理器1506分别与所述RRH片集及vRRH注册表1509相连接。所述资源管理器1510分别与所述RRH信息库1507及RRH片集1508相连接。所述C&M协议库1513与所述物理RRH(例如,图2中的共享RRH池21)相连接。The resource allocation API 1501 is connected with the coordinator (eg, coordinator 241 ) through a software interface. The control and management API 222 is connected to baseband units such as baseband units 221a/b. The RAS 1503 is connected to the RRH slice set 1508. The vRRH manager 1506 is connected to the RRH slice set and the vRRH registry 1509, respectively. The resource manager 1510 is connected to the RRH information base 1507 and the RRH slice set 1508, respectively. The C&M protocol library 1513 is connected to the physical RRH (eg, the shared RRH pool 21 in FIG. 2).
所述资源分配API 1501用于对远程过程调用(remote procedure calls,RPCs)提供第一设置以使外部应用程序远程请求分配或重新分配RRH资源。所述控制管理API 1502用于对远程过程调用提供第二设置以使外部应用程序(基带单元集221a/b)根据所述BBU的请求远程控制SD-RRH的操作。The resource allocation API 1501 is used to provide a first setting for remote procedure calls (RPCs) to allow external applications to remotely request allocation or reallocation of RRH resources. The control management API 1502 is used to provide a second setting for remote procedure calls to enable an external application (baseband unit set 221a/b) to remotely control the operation of the SD-RRH according to the request of the BBU.
在一实施方式中,所述控制管理API 1502采用的协议为ORI C&M Protocol,并定义下述的控制管理操作:1)健康检查,设定时间,重新设置;2)取得参数,修改参数;3)取得状态,修改状态4)取得错误5)建立对象,删除对象。所述RAS103为所述资源分配API 1501的具体实现。所述RAS103用于创建或释放所述vRRH资源。In one embodiment, the protocol adopted by the control management API 1502 is ORI C&M Protocol, and defines the following control management operations: 1) health check, set time, reset; 2) obtain parameters, modify parameters; 3 ) Get state, modify state 4) Get error 5) Create object, delete object. The RAS 103 is the specific implementation of the resource allocation API 1501 . The RAS 103 is used to create or release the vRRH resource.
所述验证器1504用于提供验证功能。所述应用程序接口(API)调用需要身份验证。预设的方法是使用用户名及用户密码进行验证。所述控制及管理服务1505是所述控制管理API 1502的具体实现。执行所述控制管理API 1502会调用所述管理协议库1513中的一个或多个功能。所述虚拟RRH管理器1506用于提供一个抽象层。所述抽象层用于追踪一vRRH与对应的pRRH之间的映射。所述资源管理器1510提供注册的RRH装置的生命周期管理及根据需求在给定的时间内提供RRH资源的全局视图。所述连接管理器1511用于负责会话管理。所述连接管理器1511能够生成一会话管理层。所述会话管理层用于创建并维持控制及管理会话。The authenticator 1504 is used to provide authentication functions. The application programming interface (API) calls require authentication. The default method is to use the user name and user password for authentication. The control and management service 1505 is a specific implementation of the control management API 1502 . Execution of the control management API 1502 invokes one or more functions in the management protocol library 1513 . The virtual RRH manager 1506 is used to provide an abstraction layer. The abstraction layer is used to track the mapping between a vRRH and the corresponding pRRH. The resource manager 1510 provides lifecycle management of registered RRH devices and provides a global view of RRH resources within a given time as required. The connection manager 1511 is responsible for session management. The connection manager 1511 can generate a session management layer. The session management layer is used to create and maintain control and management sessions.
所述日志记录器1512用于记录来自不同日志生成源的信息。所述日志生成源包括用于检测SD-RRH控制器1500及pRRH操作的RRH中的软、硬件。所述日志记录器1512统一收集、存储及分析日志情报。所述控制及管理协议库1513为SD-RRH controller 1500中的元件,用于协调所述SD-RRH控制器1500与所述SD-RRH之间的通信。所述SD-RRH支持所述控制及管理协议。所述控制及管理协议库1513主要为通信信道提供控制及管理服务。The log recorder 1512 is used to record information from different log generating sources. The log generation source includes software and hardware in the RRH for detecting SD-RRH controller 1500 and pRRH operations. The log recorder 1512 collects, stores and analyzes log information in a unified manner. The control and management protocol library 1513 is an element in the SD-RRH controller 1500 for coordinating the communication between the SD-RRH controller 1500 and the SD-RRH. The SD-RRH supports the control and management protocol. The control and management protocol library 1513 mainly provides control and management services for communication channels.
所述监控检测器1514用于通过监测、报警、报告注册的pRRH装置的状态的方式提供RRH网络硬件的健康状态信息,从而维护所述SD-RRH的运行。The monitoring detector 1514 is configured to provide health status information of the RRH network hardware by monitoring, alarming, and reporting the status of the registered pRRH devices, so as to maintain the operation of the SD-RRH.
在至少一实施方式中,所述SD-RRH控制器1500根据从一协调器接收的RRH资源分配请求通过切片技术创建一个或多个vRRH。所述协调器接收到BBU的分配RRH资源的请求时向所述SD-RRH控制器1500发送所述RRH资源分配请求。在一实施方式中,SD-RRH控制器1500中的资源分配API 1501将RRH分配请求分派给所述RAS1503。所述RAS1503响应该请求执行分割RRH操作并将分割后得到的RRH片进行分配。所述RAS1503将RRH片的分配信息发送给vRRH管理器1506以建立vRRH与pRRH之间的映射。所述vRRH管理器1506将对应的vRRH ID回复给所述协调器。In at least one embodiment, the SD-RRH controller 1500 creates one or more vRRHs through a slicing technique according to an RRH resource allocation request received from a coordinator. The coordinator sends the RRH resource allocation request to the SD-RRH controller 1500 when receiving the request for allocating RRH resources from the BBU. In one embodiment, the resource allocation API 1501 in the SD-RRH controller 1500 dispatches the RRH allocation request to the RAS 1503. The RAS 1503 performs the RRH division operation in response to the request and allocates the RRH slices obtained after division. The RAS 1503 sends the allocation information of the RRH slices to the vRRH manager 1506 to establish the mapping between vRRH and pRRH. The vRRH manager 1506 replies the corresponding vRRH ID to the coordinator.
当所述BBU向所述协调器发送一终止请求以终止会话及释放RRH资源时,所述协调器将所述终止请求输出给SD-RRH控制器1500的资源分配API 1501。所述资源分配API 1501将接收的终止请求传送给所述RAS1503。所述RAS1503向所述vRRH管理器1506发送一对应的资源释放请求。所述vRRH管理器1506根据该请求释放所述vRRH资源。When the BBU sends a termination request to the coordinator to terminate the session and release RRH resources, the coordinator outputs the termination request to the resource allocation API 1501 of the SD-RRH controller 1500 . The resource allocation API 1501 transmits the received termination request to the RAS 1503. The RAS 1503 sends a corresponding resource release request to the vRRH manager 1506 . The vRRH manager 1506 releases the vRRH resources according to the request.
所述BBU根据用户应用程序的需求向所述协调器发送重新配置vRRH资源的请求。在一实施方式中,所述控制管理API 1502、控制及管理服务1505分别与SD-RRH控制器1500的管理协议库1513相通信连接以执行相应的vRRH资源配置操作。The BBU sends a request for reconfiguring vRRH resources to the coordinator according to the requirements of the user application. In one embodiment, the control management API 1502 and the control and management service 1505 are respectively connected in communication with the management protocol library 1513 of the SD-RRH controller 1500 to perform corresponding vRRH resource configuration operations.
请参考图16,所示为本发明一实施方式中SD-RRH控制器进行vRRH到pRRH的示意图。在本实施方式中,所述SD-RRH控制器1500执行所述分割操作。实线表示物理的网络连接(可以是无线网络连接或有线网络连接)。虚线表示软件接口以及相应的硬件设备之间的连接。Please refer to FIG. 16 , which is a schematic diagram of the SD-RRH controller performing vRRH to pRRH according to an embodiment of the present invention. In this embodiment, the SD-RRH controller 1500 performs the division operation. Solid lines represent physical network connections (either wireless or wired). The dashed lines represent the software interfaces and the connections between the corresponding hardware devices.
资源模块1621a由SD-RRH1620创建。资源模块1621b由SD-RRH1621创建。资源模块1621a以及资源模块1621b代表装置本身正在执行的组态配置以及状态。所述SD-RRH控制器1600中的RRH信息库(RRH Information Bases,RIBs)1607a、1607b存储在所述SD-RRH控制器1600中注册过的物理RRH的所有相关信息。Resource module 1621a is created by SD-RRH 1620. The resource module 1621b is created by the SD-RRH 1621. The resource module 1621a and the resource module 1621b represent the current configuration and status of the device itself. The RRH Information Bases (RRH Information Bases, RIBs) 1607a and 1607b in the SD-RRH controller 1600 store all relevant information of the physical RRHs registered in the SD-RRH controller 1600.
vRRH注册表1609包括一个或多个vRRH条目。每一条目vRRH对应描述一经常使用的vRRH(例如,被分配给相应的BBU 1630a、1630b、1630c的vRRH)。vRRH registry 1609 includes one or more vRRH entries. Each entry vRRH corresponds to describing a frequently used vRRH (eg, the vRRH assigned to the corresponding BBU 1630a, 1630b, 1630c).
每组vRRH分配一独特的ID号码(例如ID=1,2,3)作为数据流链接的验证。在RRH资源分配程序后所产生的每组vRRH的独特ID号码回传给所述BBU。在本实施方式中,在会话后vRRH资源的释放都应该从所述vRRH注册表1609中去除,且只有RRH管理器(例如,如图15所述的虚拟RRH管理器1506)能存取所述vRRH注册表1609。Each group of vRRHs is assigned a unique ID number (eg ID=1, 2, 3) as the authentication of the data flow link. The unique ID number of each group of vRRHs generated after the RRH resource allocation procedure is returned to the BBU. In this embodiment, the release of vRRH resources should be removed from the vRRH registry 1609 after a session, and only the RRH manager (eg, the virtual RRH manager 1506 described in FIG. 15 ) can access the vRRH registry 1609.
RRH片集1608包括多个与不同的pRRH对应的RRH片(例如,ID号码为1,2,3,4,5,6,7的RRH片)。其中,每一RRH片条码对应分配一个ID号码。在RRH片集1608中经过分配的RRH片可以使用,而没有经过分配的RRH片处于闲置状态。所述RRH片集1608可以被SD-RRH控制器1600中的软件模块存取。所述软件模块至少包括资源管理器、RAS、虚拟RRH管理器、及vRRH注册表。RRH slice set 1608 includes a plurality of RRH slices corresponding to different pRRHs (eg, RRH slices with ID numbers 1, 2, 3, 4, 5, 6, 7). Wherein, each RRH slice barcode is assigned an ID number correspondingly. The allocated RRH slices in the RRH slice set 1608 are available for use, while the unallocated RRH slices are in an idle state. The RRH slice set 1608 can be accessed by software modules in the SD-RRH controller 1600. The software modules include at least a resource manager, a RAS, a virtual RRH manager, and a vRRH registry.
所述SD-RRH控制器1600能够根据用户应用程序/操作的需求通过所述软件模块动态地进行从vRRH到pRRH的映射及分割操作。所述软件模块包括RIB、RRH片集、资源管理器、RAS、虚拟RRH管理器、及vRRH注册表。所述vRRH与pRRH之间的映射可以记录在资源监控及管理表中。在一实施方式中,所述资源监控及管理表包括vRRH ID号码、RRH片ID号码,vRRH与pRRH之间的映射关系、BBU ID号码、及配置的会话持续时间。The SD-RRH controller 1600 can dynamically perform mapping and segmentation operations from vRRH to pRRH through the software modules according to user application/operation requirements. The software modules include RIB, RRH slice set, resource manager, RAS, virtual RRH manager, and vRRH registry. The mapping between the vRRH and the pRRH may be recorded in the resource monitoring and management table. In one embodiment, the resource monitoring and management table includes the vRRH ID number, the RRH slice ID number, the mapping relationship between the vRRH and the pRRH, the BBU ID number, and the configured session duration.
请参考图17,所示为本发明一实施方式中SD-RRH结构的示意图。SD-RRH1700分别与SD-RRH控制器及BBU通信连接(未示于图17)。所述SD-RRH控制器控制所述SD-RRH1700。所述SD-RRH1700包括SD-RRH通信模组1710、SD-RRH通信接口1712a-c、时钟单元1714、SD-RRH控制模块1720、SD-RRH计算模组1740、无线处理器1750、及天线端口1760a-d。所述SD-RRH通信模组1710分别与所述SD-RRH通信接口1712a-c、时钟单元1714、SD-RRH控制模块1720及SD-RRH计算模组1740电连接。Please refer to FIG. 17 , which is a schematic diagram of an SD-RRH structure in an embodiment of the present invention. The SD-RRH1700 is communicatively connected to the SD-RRH controller and the BBU, respectively (not shown in Figure 17). The SD-RRH controller controls the SD-RRH 1700. The SD-RRH 1700 includes an SD-RRH communication module 1710, SD-RRH communication interfaces 1712a-c, a clock unit 1714, an SD-RRH control module 1720, an SD-RRH calculation module 1740, a wireless processor 1750, and an antenna port 1760a-d. The SD-RRH communication module 1710 is electrically connected to the SD-RRH communication interfaces 1712a-c, the clock unit 1714, the SD-RRH control module 1720 and the SD-RRH calculation module 1740, respectively.
所述SD-RRH控制器1720分别与所述时钟单元1714、所述SD-RRH通信模块1710、SD-RRH计算模块1740、及无线处理器1750相电连接。在本实施方式中,实线表示物理的网络连接(可以是无线网络连接或有线网络连接)。虚线表示软件接口以及相应的硬件设备之间的连接。The SD-RRH controller 1720 is electrically connected to the clock unit 1714 , the SD-RRH communication module 1710 , the SD-RRH calculation module 1740 , and the wireless processor 1750 , respectively. In this embodiment, the solid line represents a physical network connection (which may be a wireless network connection or a wired network connection). The dashed lines represent the software interfaces and the connections between the corresponding hardware devices.
在至少一实施方式中,所述SD-RRH控制模块1720、SD-RRH通信模组1710、SD-RRH计算模组1740、及无线电处理器1750通过FPGA(Field Programmable Gate Array,现场可编程门阵列)实现。In at least one embodiment, the SD-RRH control module 1720, the SD-RRH communication module 1710, the SD-RRH computing module 1740, and the radio processor 1750 are configured through an FPGA (Field Programmable Gate Array). )accomplish.
所述时钟单元1714用于将所述BBU与SD-RRH进行同步处理。所述BBU与所述SD-RRH相链接。在一实施方式中,所述时钟单元1714输出IEEE 1588/GPS数据。The clock unit 1714 is used for synchronizing the BBU with the SD-RRH. The BBU is linked to the SD-RRH. In one embodiment, the clock unit 1714 outputs IEEE 1588/GPS data.
所述SD-RRH通信接口1712a-c包括不同的传输协议,如公共射频接口协议、以太网协议等。所述SD-RRH通信接口1712a-c还包括多个对应不同类型协议的连接端口。采用不同类型的协议可以使得所述BBU与所述SD-RRH 1700之间进行不同类型的数据传输。The SD-RRH communication interfaces 1712a-c include different transmission protocols, such as a common radio frequency interface protocol, an Ethernet protocol, and the like. The SD-RRH communication interfaces 1712a-c also include a plurality of connection ports corresponding to different types of protocols. Using different types of protocols can enable different types of data transmission between the BBU and the SD-RRH 1700 .
所述SD-RRH通信模组1710包括软件化的通信功能模组(communication functionmodule,RCMF)1711、及软件化RRH流管理器(RRH flow manger,RFM)1713。所述RFM1713用于接收BBU发送的数据。所述SD-RRH通信模块1710可以有多种实现的方式,其中每个所述RCMF1711用于动态地支持不同类型的前传传输协议,例如,公共射频接口协议、OBSAI协议、基于以太网信号链路的协议等。The SD-RRH communication module 1710 includes a software-based communication function module (RCMF) 1711 and a software-based RRH flow manager (RRH flow manager, RFM) 1713 . The RFM1713 is used to receive data sent by the BBU. The SD-RRH communication module 1710 can be implemented in multiple ways, wherein each of the RCMFs 1711 is used to dynamically support different types of fronthaul transmission protocols, such as common radio frequency interface protocol, OBSAI protocol, Ethernet-based signal link agreement, etc.
所述RCMF 1711能够从BBU与所述SD-RRH通信模组1710之间的数据流中提取用户数据及C&M数据。当确定提取出的用户信息中包括功能分离及/或压缩数据,所述RCMF 1711将所述用户数据分配给SD-RRH计算模组1740进行数据处理。当所述RCMF1711确定用户数据为I/Q数据,所述RCMF 1711将用户数据直接发送给无线电处理器1750,所述无线电处理器1750进行相应的数据处理并驱动射频前端及天线端口1760a-d将用户数据传送给对应的用户装置。所述RCMF 1711进一步将提取出的C&M数据分配给所述SD-RRH控制模块1720以对相应的系统及网络进行配置。The RCMF 1711 can extract user data and C&M data from the data stream between the BBU and the SD-RRH communication module 1710 . When it is determined that the extracted user information includes function separation and/or compressed data, the RCMF 1711 allocates the user data to the SD-RRH calculation module 1740 for data processing. When the RCMF 1711 determines that the user data is I/Q data, the RCMF 1711 sends the user data directly to the radio processor 1750, which performs corresponding data processing and drives the RF front-end and antenna ports 1760a-d to The user data is transmitted to the corresponding user device. The RCMF 1711 further distributes the extracted C&M data to the SD-RRH control module 1720 to configure the corresponding system and network.
所述RFM 1713用于管理在所述SD-RRH 1700与BBU之间且具有不同类型协议的数据流的通信。所述协议包括公共射频接口协议、新前传协议等。所述RFM 1713管理不同的载体流(如IQ数据)及传输流(非IQ数据)并将所述数据分配给对应的功能模组进行相应的数据处理。在本实施方式中,每一传输流对应一特定的流ID。外部传输流管理功能模块产生所述流信息,并将产生的流信息提供给RFM 1713。The RFM 1713 is used to manage the communication of data flows between the SD-RRH 1700 and the BBU with different types of protocols. The protocols include common radio frequency interface protocols, new fronthaul protocols, and the like. The RFM 1713 manages different carrier streams (such as IQ data) and transport streams (non-IQ data) and distributes the data to corresponding functional modules for corresponding data processing. In this embodiment, each transport stream corresponds to a specific stream ID. The external transport stream management function module generates the stream information, and supplies the generated stream information to the RFM 1713 .
所述SD-RRH控制模块1720包括RRH控制功能(RRH control function,RCTF)1722及虚拟RRH、RRH片资源模组1721。所述SD-RRH控制模块1720的RRH控制功能用于通过ORI C&M协议与所述SD-RRH控制器通信,及处理SD-RRH控制器发送的C&M命令。所述RRH控制功能1722根据从SD-RRH控制器接收的C&M数据进一步配置SD-RRH1700的功能模块。The SD-RRH control module 1720 includes an RRH control function (RCTF) 1722 and a virtual RRH and RRH slice resource module 1721 . The RRH control function of the SD-RRH control module 1720 is used for communicating with the SD-RRH controller through the ORI C&M protocol, and processing C&M commands sent by the SD-RRH controller. The RRH control function 1722 further configures the functional modules of the SD-RRH 1700 according to the C&M data received from the SD-RRH controller.
在本实施方式中,所述RRH控制功能1722使用资源模组1721表征SD-RRH的配置,并执行RRH分割操作。所述资源模组1721包括无线电设备对象、发送/接收信号路径对象、数据层链路对象、以太网数据链路对象、及公共射频接口数据链路对象。所述无线电设备对象用于建立资源分配。所述发送/接收信号路径对象用于通过建立流ID任务、物理天线端口任务、物理数据链接端口任务、MAC地址/IP地址/端口任务产生路径签名。所述数据层链路对象用于提供不同类型的链路,及当链路类型为以太网链路时提供通向MAC地址/IP地址。In this embodiment, the RRH control function 1722 uses the resource module 1721 to characterize the configuration of the SD-RRH, and perform RRH segmentation operations. The resource module 1721 includes radio equipment objects, transmit/receive signal path objects, data layer link objects, ethernet data link objects, and common radio interface data link objects. The radio object is used to establish resource allocations. The transmit/receive signal path object is used to generate a path signature by establishing a flow ID task, a physical antenna port task, a physical data link port task, and a MAC address/IP address/port task. The data layer link object is used to provide different types of links, and to provide access to MAC addresses/IP addresses when the link type is an Ethernet link.
一资源分配分子(resource allocation numerator,RAN)及资源分配分母(resource allocation denominator,RAD)用于将RRH资源分割成片以形成vRRH。在一实施方式中,如果资源分配分母设置为6,所述RRH的片的分子为1,则表示RRH的片分配1/6的RRH资源(如表1所示)。A resource allocation numerator (RAN) and resource allocation denominator (RAD) are used to partition RRH resources into slices to form vRRHs. In one embodiment, if the resource allocation denominator is set to 6, and the numerator of the RRH slice is 1, it means that the RRH slice is allocated 1/6 of the RRH resources (as shown in Table 1).
表1Table 1
请参考图24,所示为RRH片及虚拟RRH的资源模型的示意图。所述资源模型中创建的一个或多个RRH片可以表示为:vRRH-1{RRH-Slice-1},vRRH-2{RRH-Slice-2,3},vRRH-3{RRH-Slice-45,6},其中,vRRH-1{RRH-Slice-1}表示vRRH-1对应一个RRH片,vRRH-2{RRH-Slice-2,3}表示vRRH-2对应两个RHH片,vRRH-3{RRH-Slice-45,6}表示vRRH-3对应三个RHH片。图24中分别用①,②,③,④,⑤,⑥表示RRH片。Please refer to FIG. 24, which is a schematic diagram of a resource model of an RRH slice and a virtual RRH. One or more RRH slices created in the resource model can be represented as: vRRH-1{RRH-Slice-1}, vRRH-2{RRH-Slice-2,3}, vRRH-3{RRH-Slice-45 ,6}, where vRRH-1{RRH-Slice-1} indicates that vRRH-1 corresponds to one RRH slice, vRRH-2{RRH-Slice-2,3} indicates that vRRH-2 corresponds to two RHH slices, vRRH-3 {RRH-Slice-45,6} indicates that vRRH-3 corresponds to three RHH slices. In Fig. 24, the RRH slices are represented by ①, ②, ③, ④, ⑤, and ⑥, respectively.
请参考图17,所述SD-RRH计算模组1740包括RRH基带功能模块1741。所述RRH基带功能模块1741用于处理基带信号。所述RRH基带功能模块1741是按照功能进行划分的软件化模块,用于压缩数据形成I/Q数据。所述转换的I/Q数据被发送给所述无线电处理器1750进行处理。例如,所述RRH基带功能模块1741可以准备待发送的数据流。所述RRH基带功能模块1741可以在所述SD-RRH计算模块1740中被建立并被动态配置来支持不同类型的功能分割或同时进行的数据压缩。Referring to FIG. 17 , the SD-RRH calculation module 1740 includes an RRH baseband function module 1741 . The RRH baseband function module 1741 is used for processing baseband signals. The RRH baseband function module 1741 is a software module divided according to functions, and is used for compressing data to form I/Q data. The converted I/Q data is sent to the radio processor 1750 for processing. For example, the RRH baseband function module 1741 may prepare the data stream to be sent. The RRH baseband function module 1741 may be built in the SD-RRH calculation module 1740 and dynamically configured to support different types of function partitioning or simultaneous data compression.
所述无线电处理器1750包括RRH虚拟天线端口(Virtual Antenna Port,RVA)1751,射频前端(图中未示)及天线端口1752。所述RVA1751用于支持采样率转换(samplerate conversion,SRC)操作、数字上变频(digital up-converter,DUC)操作,数字下变频(digital down-converter,DDC)操作、波峰因素缩减(crest factor reduction,CFR)操作、及数字预失真(digital pre-distortion,DPD)操作。多个可实施的RVA1751可以在无线处理器1750中被创建并被动态地配置成可在不同的通信技术中(例如,3G、LTE、5G)工作。所述天线端口1752用于对信号进行相应的功能处理后通过物理天线发送出去或将物理天线接收的信号进行功能处理。所述功能处理包括模数转换、数模转换、及其他射频处理功能。所述RPA1752能够被多个RVAs1751共享。所述RRH虚拟天线端口1751将物理天线功能分割成多个天线片,并利用单个或多个天线片创建虚拟天线端口。例如,在一实施方式中,所述天线端口1752可以设置工作在特定频率及带宽下。所述特定频率及带宽可以被RRH虚拟天线端口共享。所述RRH虚拟天线端口用于根据服务及应用的需求创建虚拟天线端口。所述需求包含在配置文件中,包括但不限于空中接口、频率、信道带宽、位置、天线拓扑结构。所述物理天线及射频资源可以被不同虚拟天线端口共享。The radio processor 1750 includes an RRH virtual antenna port (RVA) 1751 , a radio frequency front end (not shown) and an antenna port 1752 . The RVA1751 is used to support sample rate conversion (SRC) operation, digital up-converter (DUC) operation, digital down-converter (DDC) operation, crest factor reduction (crest factor reduction) operation , CFR) operation, and digital pre-distortion (digital pre-distortion, DPD) operation. Multiple implementable RVAs 1751 may be created in the wireless processor 1750 and dynamically configured to operate in different communication technologies (eg, 3G, LTE, 5G). The antenna port 1752 is used to perform corresponding functional processing on the signal and then send it out through the physical antenna or perform functional processing on the signal received by the physical antenna. The functional processing includes analog-to-digital conversion, digital-to-analog conversion, and other radio frequency processing functions. The RPA1752 can be shared by multiple RVAs1751. The RRH virtual antenna port 1751 divides the physical antenna function into multiple antenna slices, and utilizes single or multiple antenna slices to create a virtual antenna port. For example, in one embodiment, the antenna port 1752 may be configured to operate at a specific frequency and bandwidth. The specific frequency and bandwidth can be shared by the RRH virtual antenna ports. The RRH virtual antenna port is used to create a virtual antenna port according to service and application requirements. The requirements are contained in the configuration file, including but not limited to air interface, frequency, channel bandwidth, location, antenna topology. The physical antenna and radio frequency resources can be shared by different virtual antenna ports.
图18-23示出无线接入网络的操作过程流程图。图18为本发明一实施方式中虚拟RRH建立无线接入网络的操作的示意图。图19为本发明另一实施方式中虚拟RRh建立无线接入网络的操作的示意图。18-23 illustrate operational process flow diagrams of a wireless access network. FIG. 18 is a schematic diagram of an operation of establishing a radio access network by a virtual RRH in an embodiment of the present invention. FIG. 19 is a schematic diagram of an operation of establishing a wireless access network by a virtual RRh in another embodiment of the present invention.
所述BBU 1800向协调器1820请求RRH资源。所述协调器向SD-RRH控制器1830转发所述请求。所述SD-RRH控制器1830根据所述请求分配RRH资源以生成vRRH。所述SD-RRH控制器1830与图15中的SD-RRH控制器1500具有相同的结构。The BBU 1800 requests the coordinator 1820 for RRH resources. The coordinator forwards the request to the SD-RRH controller 1830. The SD-RRH controller 1830 allocates RRH resources to generate vRRH according to the request. The SD-RRH controller 1830 has the same structure as the SD-RRH controller 1500 in FIG. 15 .
请一并参考图18及19。在步骤1901中所述BBU 1800向所述协调器1800发送分配RRH资源请求。所述BBU 1800向协调器1800传送一BBU/RRH/FH配置文件以请求分配RRH资源。相应地,描述有表征RRH资源服务需求的配置文件被建立,描述有表征FH资源服务需求的配置文件被建立,描述有表征BBU属性的BBU配置文件被建立。所述RRH资源包括空中接口、频率、带宽、位置、天线拓扑结构、功能分离、压缩及传送协议等。所述FH资源包括带宽、服务质量等。所述BBU属性包括BBU身份、地址等。Please refer to Figures 18 and 19 together. In step 1901, the BBU 1800 sends a request to allocate RRH resources to the coordinator 1800. The BBU 1800 transmits a BBU/RRH/FH profile to the coordinator 1800 to request the allocation of RRH resources. Correspondingly, a configuration file describing service requirements representing RRH resources is created, a configuration file describing service requirements representing FH resources is created, and a BBU configuration file describing BBU attributes is created. The RRH resources include air interface, frequency, bandwidth, location, antenna topology, function separation, compression and transmission protocols, and the like. The FH resources include bandwidth, quality of service, and the like. The BBU attributes include BBU identity, address, and the like.
在步骤1903中所述协调器1820通过将相应的具体命令传送给所述述SD-RRH控制器1830以向所述SD-RRH控制器1830发送资源分配请求。所述SD-RRH控制器1830根据该请求进行资源分配。在步骤1905中,所述SD-RRH控制器1830中的资源分配API 1831根据接收到的所述具体命令将所述资源分配请求项传送给SD-RRH控制器1830中的资源分配服务功能模块1832。In step 1903, the coordinator 1820 sends a resource allocation request to the SD-RRH controller 1830 by transmitting a corresponding specific command to the SD-RRH controller 1830. The SD-RRH controller 1830 performs resource allocation according to the request. In step 1905, the resource allocation API 1831 in the SD-RRH controller 1830 transmits the resource allocation request item to the resource allocation service function module 1832 in the SD-RRH controller 1830 according to the received specific command .
在步骤1907中,所述资源分配服务功能模块1832将RRH片集1840中的RRH片(如ID为4的RRH片)进行分配。所述RRH片集1840包含多个RRH片。其中,每一RRH片对应不同的物理RRH且每一RRH片分配有相应的ID号码。In step 1907, the resource allocation service function module 1832 allocates the RRH slice (eg, the RRH slice with ID 4) in the RRH slice set 1840. The RRH slice set 1840 includes multiple RRH slices. Wherein, each RRH slice corresponds to a different physical RRH, and each RRH slice is allocated with a corresponding ID number.
在步骤1909中,所述资源分配服务功能模块1832告知vRRH管理器1833根据pRRH资源建立vRRH与pRRH之间的映射。在步骤1911中,所述vRRH管理器1833存取所述vRRH注册表1810以分配和创建vRRH。所述vRRH注册表1810包括一个或多个建立的vRRH条目,每一vRRH条目表征目前正在使用的VRRH。每一分配的vRRH包含有不同的ID号码(例如,ID=1,2,3)以便区分数据流的链接。在步骤1913中,所述vRRH管理器1833向所述协调器1820回复相应的vRRH ID以指示已完成RRH资源的分配。In step 1909, the resource allocation service function module 1832 informs the vRRH manager 1833 to establish the mapping between the vRRH and the pRRH according to the pRRH resource. In step 1911, the vRRH manager 1833 accesses the vRRH registry 1810 to allocate and create vRRHs. The vRRH registry 1810 includes one or more established vRRH entries, each vRRH entry representing the VRRH currently in use. Each assigned vRRH contains a different ID number (eg, ID=1, 2, 3) in order to distinguish the linkage of the data streams. In step 1913, the vRRH manager 1833 replies with the corresponding vRRH ID to the coordinator 1820 to indicate that the allocation of RRH resources has been completed.
图20为本发明一实施方式中无线接入网的虚拟RRH操作过程的示意图。在图20中,当所述基带单元(BBU)2000有重新配置或控制所述vRRH资源的设定需求时,所述基带单元BBU 2000可以发送启动重新配置过程的C&M请求。图21为本发明另一实施方式中无线接入网的虚拟RRH操作过程的示意图。当所述BBU有设置或重新配置vRRH资源的需求时,所述BBU发送重新配置的C&M请求。FIG. 20 is a schematic diagram of a virtual RRH operation process of a radio access network in an embodiment of the present invention. In FIG. 20, when the baseband unit (BBU) 2000 has a setting requirement to reconfigure or control the vRRH resource, the baseband unit BBU 2000 may send a C&M request to initiate a reconfiguration process. FIG. 21 is a schematic diagram of a virtual RRH operation process of a radio access network in another embodiment of the present invention. When the BBU has a need to set or reconfigure vRRH resources, the BBU sends a reconfigured C&M request.
在步骤2101中,所述BBU发送配置vRRH的C&M请求。In step 2101, the BBU sends a C&M request for configuring vRRH.
在步骤2103中,所述C&M API 2011接收C&M请求并根据接收的C&M请求执行vRRH配置过程,并腔所述C&M请求分配给C&M服务器2012。In step 2103, the C&M API 2011 receives the C&M request and performs a vRRH configuration process according to the received C&M request, and distributes the C&M request to the C&M server 2012.
在步骤2015中,所述C&M服务器2012查找所述虚拟RRH管理器2013中vRRH与pRRH之间的映射以获取与vRRH对应的pRRH的信息。In step 2015, the C&M server 2012 searches the virtual RRH manager 2013 for the mapping between the vRRH and the pRRH to obtain the information of the pRRH corresponding to the vRRH.
在步骤2107中,所述虚拟RRH管理器2013将相应的pRRH信息回复给所述C&M服务器2012。In step 2107, the virtual RRH manager 2013 replies the corresponding pRRH information to the C&M server 2012.
在步骤2019中,所述C&M服务器2012存取所述C&M协议库2014及调用协议库中的功能模块以实现C&M操作。In step 2019, the C&M server 2012 accesses the C&M protocol library 2014 and invokes the function modules in the protocol library to implement C&M operations.
在步骤2111中,所述C&M协议库2014将所述C&M请求信息发送给RRH 2020。In step 2111, the C&M protocol library 2014 sends the C&M request information to the RRH 2020.
在步骤2113中,所述RRH 2020重新进行RRH的配置设定并向所述C&M协议库2014回复一确认信号。In step 2113, the RRH 2020 reconfigures the RRH and returns an acknowledgement signal to the C&M protocol library 2014.
在步骤2115中,所述协议库2014将所述API结果回复给所述BBU 2000以告知BBU所述RRH的重新配置过程已完成及报告相应的状态。In step 2115, the protocol library 2014 replies the API result to the BBU 2000 to inform the BBU that the RRH reconfiguration process has been completed and report the corresponding status.
图22为本发明一实施方式中无线接入网络中虚拟RRH终止操作的示意图。图23为本发明一实施方式中无线接入网虚拟RRH终止操作的方法流程图。FIG. 22 is a schematic diagram of a virtual RRH termination operation in a radio access network according to an embodiment of the present invention. FIG. 23 is a flowchart of a method for terminating a virtual RRH in a radio access network according to an embodiment of the present invention.
在图22中可以看出,BBU 2200通过向协调器2220发送终止请求以启动终止过程,并在所述BBU 2200确定终止vRRH的会话配置时终止会话及释放RRH资源。As can be seen in Figure 22, the BBU 2200 initiates the termination process by sending a termination request to the coordinator 2220, and terminates the session and releases the RRH resources when the BBU 2200 determines to terminate the session configuration of the vRRH.
具体的,在步骤2301中,所述BBU 2200向协调器2220发送一终止请求。Specifically, in step 2301, the BBU 2200 sends a termination request to the coordinator 2220.
在步骤2303中,所述协调器2220向所述SD-RRH控制器2230发送终止请求。在本实施方式中,所述协调器2220通过向SD-RRH控制器2230的资源分配API 2231发送C&M命令的方式将所述终止请求发送给资源分配API 2231。In step 2303, the coordinator 2220 sends a termination request to the SD-RRH controller 2230. In this embodiment, the coordinator 2220 sends the termination request to the resource allocation API 2231 by sending a C&M command to the resource allocation API 2231 of the SD-RRH controller 2230.
在步骤2305中,所述资源分配API 2231将所述终端请求发送给资源分配服务模块2332。In step 2305, the resource allocation API 2231 sends the terminal request to the resource allocation service module 2332.
在步骤2307中,所述资源分配服务模块2332向所述虚拟RRH管理器2233发送一资源释放请求以告知虚拟RRH管理器2233释放具体vRRH资源。所述虚拟RRH管理器2233根据所述资源释放请求从vRRH注册表2210中释放vRRH资源。In step 2307, the resource allocation service module 2332 sends a resource release request to the virtual RRH manager 2233 to inform the virtual RRH manager 2233 to release specific vRRH resources. The virtual RRH manager 2233 releases vRRH resources from the vRRH registry 2210 according to the resource release request.
在步骤2309中,所述RRH管理器2233告知所述资源分配服务模块2332已释放所述vRRH资源。In step 2309, the RRH manager 2233 informs the resource allocation service module 2332 that the vRRH resource has been released.
在步骤2311中,所述资源分配服务模块2332从RRH片集2240中释放相应的RRH片。In step 2311, the resource allocation service module 2332 releases the corresponding RRH slice from the RRH slice set 2240.
在步骤2313中,所述资源分配服务模块2332将RRH资源释放的结果通知所述协调器2220。In step 2313, the resource allocation service module 2332 notifies the coordinator 2220 of the result of RRH resource release.
在本发明中,所述SD-RRH控制器将所述物理RRH资源分割成多片,并利用一个或多个SD-RRH片创建软件化的虚拟RRH。其中,每一虚拟RRH具有不同的配置以满足不同网络服务的需求。In the present invention, the SD-RRH controller divides the physical RRH resource into multiple slices, and uses one or more SD-RRH slices to create a software-based virtual RRH. Wherein, each virtual RRH has different configurations to meet the requirements of different network services.
以上实施例仅用以说明本发明的技术方案而非限制,尽管参照以上较佳实施例对本发明进行了详细说明,本领域的普通技术人员应当理解,可以对本发明的技术方案进行修改或者等同替换都不应脱离本发明技术方案的精神。The above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the above preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced. Neither should depart from the spirit of the technical solutions of the present invention.
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WO2008084318A2 (en) * | 2007-01-08 | 2008-07-17 | Nokia Corporation | Removing gtp-u path management in ugan |
US9173111B2 (en) * | 2011-12-28 | 2015-10-27 | Silver Spring Networks, Inc. | System and method for convergence and automatic disabling of access points in a wireless mesh network |
US9288689B2 (en) * | 2012-04-18 | 2016-03-15 | International Business Machines Corporation | Configuration of wireless network cloud system based on density estimation |
GB2514806A (en) * | 2013-06-04 | 2014-12-10 | Nec Corp | Communications system |
CN103533086B (en) * | 2013-10-31 | 2017-02-01 | 中国科学院计算机网络信息中心 | Uniform resource scheduling method in cloud computing system |
CN104170355B (en) * | 2014-04-30 | 2018-06-05 | 华为技术有限公司 | A kind of creation method of virtual base station and base station cloud equipment |
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