CN110913456B - Core network type indication method and communication device - Google Patents
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Abstract
Description
技术领域technical field
本发明涉及通信领域,尤其涉及一种核心网类型的指示方法和通信装置。The present invention relates to the field of communications, and in particular, to a core network type indication method and a communication device.
背景技术Background technique
目前在长期演进(long term evolution,LTE)系统中支持集中单元(CentralUnit,CU)-分布式单元(Distributed Unit,DU)分离的架构,即基站支持一个CU和多个DU;其中,CU具有无线资源控制(radio resource control,RRC)、分组数据汇聚协议(packetdata convergence protocol,PDCP)、公共数据节点(public data access point,PDAP)协议层,DU具有无线链路控制(radio link control,RLC)层、媒体接入控制(medium accesscontrol,MAC)层、物理层(physical layer,PHY)层。Currently, a centralized unit (CU)-distributed unit (DU) separation architecture is supported in the long term evolution (LTE) system, that is, the base station supports one CU and multiple DUs; wherein the CU has wireless Resource control (radio resource control, RRC), packet data convergence protocol (packet data convergence protocol, PDCP), public data node (public data access point, PDAP) protocol layer, DU has a radio link control (radio link control, RLC) layer , a medium access control (medium access control, MAC) layer, and a physical layer (physical layer, PHY) layer.
标准上也支持LTE基站可以连接新无线接入技术(new radio,NR)的5G核心网,但还没有考虑到在LTE基站同时连接到LTE核心网和5G核心网的CU-DU分离架构中,核心网如何选择。The standard also supports that the LTE base station can connect to the 5G core network of the new radio access technology (new radio, NR). How to choose a core network.
发明内容SUMMARY OF THE INVENTION
本发明提供了一种核心网类型的指示方法和通信装置,实现了在NR的CU-DU分离架构中,核心网类型的指示,以进一步完成核心网的选择。The present invention provides a core network type indication method and communication device, which realize the core network type indication in the CU-DU separation architecture of NR, so as to further complete the core network selection.
第一方面,提供了一种核心网类型指示的方法,该方法包括:In a first aspect, a method for core network type indication is provided, and the method includes:
第一网络节点向第二网络节点发送第一消息,第一消息用于指示第一网络节点和第二网络节点所支持的核心网类型,实现了第一网络节点与第二网络节点的核心网类型指示通信。The first network node sends a first message to the second network node, where the first message is used to indicate the core network type supported by the first network node and the second network node, and realizes the core network of the first network node and the second network node. Type indicates communication.
在一种可能实现中,第一网络节点仅包含无线链路控制层、媒体接入控制层和物理层;第二网络节点仅包含无线资源控制协议层、业务数据适配层和分组数据汇聚协议层;或者,In a possible implementation, the first network node only includes the radio link control layer, the medium access control layer and the physical layer; the second network node only includes the radio resource control protocol layer, the service data adaptation layer and the packet data convergence protocol layer; or,
第一网络节点仅包含无线资源控制协议层、业务数据适配层和分组数据汇聚协议层,第二网络节点仅包含无线链路控制层、媒体接入控制层和物理层。The first network node only includes the radio resource control protocol layer, the service data adaptation layer and the packet data convergence protocol layer, and the second network node only includes the radio link control layer, the medium access control layer and the physical layer.
在一个可能的实现中,第一网络节点是分布式单元DU,第二网络节点是集中单元CU;或者,第一网络节点是CU,第二网络节点是DU。实现了CU-DU架构下,CU和DU交互的核心网类型的指示。In a possible implementation, the first network node is a distributed unit DU, and the second network node is a centralized unit CU; or, the first network node is a CU, and the second network node is a DU. Implemented the indication of core network type for interaction between CU and DU under the CU-DU architecture.
在一个可能的实现中,第一消息中包含核心网类型的公共陆地移动网络PLMN信息和/或追踪区域码TAC信息。In a possible implementation, the first message includes core network type public land mobile network PLMN information and/or tracking area code TAC information.
在另一个可能的实现中,第一消息中包含核心网类型的小区禁止信息。In another possible implementation, the first message includes cell barring information of the core network type.
在一个可能的实现中,在第一网络节点向第二网络节点发送第一消息之前,该方法还包括:In a possible implementation, before the first network node sends the first message to the second network node, the method further includes:
第一网络节点接收第二消息,第二消息用于确定核心网类型;The first network node receives the second message, and the second message is used to determine the core network type;
第一网络节点根据第二消息确定核心网类型。The first network node determines the core network type according to the second message.
第二方面,提供了一种核心网类型指示的方法,该方法包括:In a second aspect, a method for core network type indication is provided, the method includes:
第二网络节点接收第一网络节点发送的第一消息,第一消息用于指示第二网络节点和第一网络节点所支持的核心网类型,实现了第一网络节点与第二网络节点的核心网类型指示通信。The second network node receives the first message sent by the first network node, and the first message is used to indicate the core network type supported by the second network node and the first network node, and realize the core network type of the first network node and the second network node. The net type indicates the communication.
在一个可能的实现中,第二网络节点仅包含无线资源控制协议层、业务数据适配层和分组数据汇聚协议层,第一网络节点仅包含无线链路控制层、媒体接入控制层和物理层;或者,In a possible implementation, the second network node only includes the radio resource control protocol layer, the service data adaptation layer and the packet data convergence protocol layer, and the first network node only includes the radio link control layer, the medium access control layer and the physical layer; or,
第二网络节点仅包含无线链路控制层、媒体接入控制层和物理层,第一网络节点仅包含无线资源控制协议层、业务数据适配层和分组数据汇聚协议层。The second network node only includes the radio link control layer, the medium access control layer and the physical layer, and the first network node only includes the radio resource control protocol layer, the service data adaptation layer and the packet data convergence protocol layer.
在一个可能的实现中,第一网络节点是分布式单元DU,第二网络节点是集中单元CU;或者,第一网络节点是CU,第二网络节点是DU。实现了CU-DU架构下,CU和DU交互的核心网类型的指示。In a possible implementation, the first network node is a distributed unit DU, and the second network node is a centralized unit CU; or, the first network node is a CU, and the second network node is a DU. Implemented the indication of core network type for interaction between CU and DU under the CU-DU architecture.
在一个可能的实现中,第一消息中包含核心网类型的公共陆地移动网络PLMN信息和/或追踪区域码TAC信息。In a possible implementation, the first message includes core network type public land mobile network PLMN information and/or tracking area code TAC information.
在另一个可能的实现中,第一消息中包含核心网类型的小区禁止信息。In another possible implementation, the first message includes cell barring information of the core network type.
第三方面,提供了一种核心网类型指示的方法,该方法包括:In a third aspect, a method for core network type indication is provided, and the method includes:
第一网络节点向第二网络节点发送第一消息,第一消息用于指示终端在第三网络节点所连接的核心网类型,实现了第一网络节点与第二网络节点的核心网类型指示通信。The first network node sends a first message to the second network node, where the first message is used to indicate the type of the core network that the terminal is connected to at the third network node, which implements the core network type indication communication between the first network node and the second network node .
在一个可能的实现中,第一网络节点仅包含无线资源控制协议层、业务数据适配层和分组数据汇聚协议层;第二网络节点仅包含无线链路控制层、媒体接入控制层和物理层。In a possible implementation, the first network node only includes the radio resource control protocol layer, the service data adaptation layer and the packet data convergence protocol layer; the second network node only includes the radio link control layer, the medium access control layer and the physical Floor.
在一个可能的实现中,第一网络节点是集中单元CU,第二网络节点是分布式单元DU。实现了CU-DU架构下,CU和DU交互的核心网类型的指示。In one possible implementation, the first network node is a centralized unit CU, and the second network node is a distributed unit DU. Implemented the indication of core network type for interaction between CU and DU under the CU-DU architecture.
在一个可能的实现中,该方法还包括:In one possible implementation, the method also includes:
第一网络节点接收第三网络节点发送的第二消息,第二消息包括核心网类型的信息。The first network node receives the second message sent by the third network node, where the second message includes the information of the core network type.
在本发明的一个可能实现中,该方法还包括:In a possible implementation of the present invention, the method further includes:
第一网络节点接收第二网络节点发送的第三消息,第三消息包括切换配置信息,切换配置信息为第二网络节点根据终端在第三网络节点所连接的核心网类型生成。The first network node receives a third message sent by the second network node, where the third message includes handover configuration information, and the handover configuration information is generated by the second network node according to the core network type to which the terminal is connected to the third network node.
第四方面,提供了一种核心网类型指示的方法,该方法包括:In a fourth aspect, a method for core network type indication is provided, the method comprising:
第二网络节点接收第一网络节点发送的第一消息,第一消息用于指示终端在第三网络节点所连接的核心网类型,实现了第一网络节点与第二网络节点的核心网类型指示通信。The second network node receives the first message sent by the first network node, where the first message is used to indicate the type of the core network that the terminal is connected to at the third network node, and realizes the core network type indication of the first network node and the second network node communication.
在一个可能的实现中,第二网络节点仅包含无线链路控制层、媒体接入控制层和物理层;第一网络节点仅包含无线资源控制协议层、业务数据适配层和分组数据汇聚协议层。In a possible implementation, the second network node only includes the radio link control layer, the media access control layer and the physical layer; the first network node only includes the radio resource control protocol layer, the service data adaptation layer and the packet data convergence protocol Floor.
在一个可能的实现中,第二网络节点是分布式单元DU,第一网络节点是集中单元CU。实现了CU-DU架构下,CU和DU交互的核心网类型的指示。In a possible implementation, the second network node is a distributed unit DU and the first network node is a centralized unit CU. Implemented the indication of core network type for interaction between CU and DU under the CU-DU architecture.
在一个实现中,该方法还包括:In one implementation, the method further includes:
第二网络节点根据终端在第三网络节点所连接的核心网类型生成切换配置信息;The second network node generates handover configuration information according to the core network type to which the terminal is connected at the third network node;
第二网络节点向第一网络节点发送第三消息,第三消息包括切换配置信息,以用于第一网络节点将切换配置信息发送给第三网络节点。The second network node sends a third message to the first network node, where the third message includes handover configuration information for the first network node to send the handover configuration information to the third network node.
第五方面,提供了一种通信装置,该通信装置包括:In a fifth aspect, a communication device is provided, the communication device comprising:
发送单元,用于向第二网络节点发送第一消息,第一消息用于指示通信装置和第二网络节点所支持的核心网类型,实现了通信装置与第二网络节点的核心网类型指示通信。The sending unit is configured to send a first message to the second network node, where the first message is used to indicate the core network type supported by the communication device and the second network node, so as to realize the communication device and the second network node indicating the core network type communication .
在一种可能实现中,通信装置仅包含无线链路控制层、媒体接入控制层和物理层;第二网络节点仅包含无线资源控制协议层、业务数据适配层和分组数据汇聚协议层;或者,In a possible implementation, the communication device only includes a radio link control layer, a medium access control layer and a physical layer; the second network node only includes a radio resource control protocol layer, a service data adaptation layer and a packet data convergence protocol layer; or,
通信装置仅包含无线资源控制协议层、业务数据适配层和分组数据汇聚协议层,第二网络节点仅包含无线链路控制层、媒体接入控制层和物理层。The communication device only includes the radio resource control protocol layer, the service data adaptation layer and the packet data convergence protocol layer, and the second network node only includes the radio link control layer, the medium access control layer and the physical layer.
在一个可能的实现中,通信装置是分布式单元DU,第二网络节点是集中单元CU;或者,通信装置是CU,第二网络节点是DU。实现了CU-DU架构下,CU和DU交互的核心网类型的指示。In a possible implementation, the communication device is a distributed unit DU, and the second network node is a centralized unit CU; or, the communication device is a CU, and the second network node is a DU. Implemented the indication of core network type for interaction between CU and DU under the CU-DU architecture.
在一个可能的实现中,第一消息中包含核心网类型的公共陆地移动网络PLMN信息和/或追踪区域码TAC信息。In a possible implementation, the first message includes core network type public land mobile network PLMN information and/or tracking area code TAC information.
在另一个可能的实现中,第一消息中包含核心网类型的小区禁止信息。In another possible implementation, the first message includes cell barring information of the core network type.
在一个可能的实现中,该通信装置还包括接收单元和处理单元;In a possible implementation, the communication device further includes a receiving unit and a processing unit;
接收单元,用于接收第二消息,第二消息用于确定核心网类型;a receiving unit, configured to receive a second message, where the second message is used to determine the core network type;
处理单元,用于根据第二消息确定核心网类型。The processing unit is configured to determine the core network type according to the second message.
第六方面,提供了一种通信装置,该通信装置包括:In a sixth aspect, a communication device is provided, the communication device comprising:
接收单元,用于接收第一网络节点发送的第一消息,第一消息用于指示通信装置和第一网络节点所支持的核心网类型,实现了第一网络节点与通信装置的核心网类型指示通信。The receiving unit is configured to receive the first message sent by the first network node, where the first message is used to indicate the core network type supported by the communication device and the first network node, and realizes the core network type indication of the first network node and the communication device communication.
在一个可能的实现中,通信装置仅包含无线资源控制协议层、业务数据适配层和分组数据汇聚协议层,第一网络节点仅包含无线链路控制层、媒体接入控制层和物理层;或者,In a possible implementation, the communication device only includes a radio resource control protocol layer, a service data adaptation layer and a packet data convergence protocol layer, and the first network node only includes a radio link control layer, a medium access control layer and a physical layer; or,
通信装置仅包含无线链路控制层、媒体接入控制层和物理层,第一网络节点仅包含无线资源控制协议层、业务数据适配层和分组数据汇聚协议层。The communication device only includes a radio link control layer, a medium access control layer and a physical layer, and the first network node only includes a radio resource control protocol layer, a service data adaptation layer and a packet data convergence protocol layer.
在一个可能的实现中,第一网络节点是分布式单元DU,通信装置是集中单元CU;或者,第一网络节点是CU,通信装置是DU。实现了CU-DU架构下,CU和DU交互的核心网类型的指示。In a possible implementation, the first network node is a distributed unit DU, and the communication device is a centralized unit CU; or, the first network node is a CU, and the communication device is a DU. Implemented the indication of core network type for interaction between CU and DU under the CU-DU architecture.
在一个可能的实现中,第一消息中包含核心网类型的公共陆地移动网络PLMN信息和/或追踪区域码TAC信息。In a possible implementation, the first message includes core network type public land mobile network PLMN information and/or tracking area code TAC information.
在另一个可能的实现中,第一消息中包含核心网类型的小区禁止信息。In another possible implementation, the first message includes cell barring information of the core network type.
第七方面,提供了一种通信装置,该通信装置包括:In a seventh aspect, a communication device is provided, the communication device comprising:
发送单元,用于向第二网络节点发送第一消息,第一消息用于指示终端在第三网络节点所连接的核心网类型,实现了通信装置与第二网络节点的核心网类型指示通信。The sending unit is configured to send a first message to the second network node, where the first message is used to indicate the core network type to which the terminal is connected to the third network node, and implements core network type indication communication between the communication device and the second network node.
在一个可能的实现中,通信装置仅包含无线资源控制协议层、业务数据适配层和分组数据汇聚协议层;第二网络节点仅包含无线链路控制层、媒体接入控制层和物理层。In a possible implementation, the communication device only includes the radio resource control protocol layer, the service data adaptation layer and the packet data convergence protocol layer; the second network node only includes the radio link control layer, the medium access control layer and the physical layer.
在一个可能的实现中,通信装置是集中单元CU,第二网络节点是分布式单元DU。实现了CU-DU架构下,CU和DU交互的核心网类型的指示。In one possible implementation, the communication device is a centralized unit CU and the second network node is a distributed unit DU. Implemented the indication of core network type for interaction between CU and DU under the CU-DU architecture.
在一个可能的实现中,该通信装置还包括接收单元,用于接收第三网络节点发送的第二消息,第二消息包括核心网类型的信息。In a possible implementation, the communication apparatus further includes a receiving unit, configured to receive a second message sent by the third network node, where the second message includes core network type information.
在本发明的一个可能实现中,所述接收单元,还用于接收第二网络节点发送的第三消息,第三消息包括切换配置信息,切换配置信息为第二网络节点根据终端在第三网络节点所连接的核心网类型生成。In a possible implementation of the present invention, the receiving unit is further configured to receive a third message sent by the second network node, where the third message includes handover configuration information, and the handover configuration information is the second network node according to the terminal in the third network The core network type to which the node is connected is generated.
第八方面,提供了一种通信装置,该通信装置包括:In an eighth aspect, a communication device is provided, the communication device comprising:
接收单元,用于接收第一网络节点发送的第一消息,第一消息用于指示终端在第三网络节点所连接的核心网类型,实现了第一网络节点与通信装置的核心网类型指示通信。The receiving unit is configured to receive the first message sent by the first network node, where the first message is used to indicate the core network type to which the terminal is connected at the third network node, and realizes the core network type indication communication between the first network node and the communication device .
在一个可能的实现中,通信装置仅包含无线链路控制层、媒体接入控制层和物理层;第一网络节点仅包含无线资源控制协议层、业务数据适配层和分组数据汇聚协议层。In a possible implementation, the communication device only includes the radio link control layer, the medium access control layer and the physical layer; the first network node only includes the radio resource control protocol layer, the service data adaptation layer and the packet data convergence protocol layer.
在一个可能的实现中,通信装置是分布式单元DU,第一网络节点是集中单元CU。实现了CU-DU架构下,CU和DU交互的核心网类型的指示。In one possible implementation, the communication device is a distributed unit DU and the first network node is a centralized unit CU. Implemented the indication of core network type for interaction between CU and DU under the CU-DU architecture.
在一个实现中,该通信装置还包括处理单元和发送单元;In one implementation, the communication device further includes a processing unit and a sending unit;
所述处理单元,用于根据终端在第三网络节点所连接的核心网类型生成切换配置信息;the processing unit, configured to generate handover configuration information according to the core network type to which the terminal is connected at the third network node;
所述发送单元,用于向第一网络节点发送第三消息,第三消息包括切换配置信息,以用于第一网络节点将切换配置信息发送给第三网络节点。The sending unit is configured to send a third message to the first network node, where the third message includes handover configuration information, so that the first network node sends the handover configuration information to the third network node.
第九方面,提供了一种通信装置,包括处理器,处理器用于与存储器耦合,读取并执行存储器中的指令,以实现:In a ninth aspect, a communication device is provided, including a processor, where the processor is coupled to a memory to read and execute instructions in the memory to achieve:
向第二网络节点发送第一消息,第一消息用于指示通信装置和第二网络节点所支持的核心网类型。A first message is sent to the second network node, where the first message is used to indicate the core network type supported by the communication device and the second network node.
在一个可能的实现中,通信装置仅包含无线链路控制层、媒体接入控制层和物理层;第二网络节点仅包含无线资源控制协议层、业务数据适配层和分组数据汇聚协议层;或者,In a possible implementation, the communication device only includes a radio link control layer, a medium access control layer and a physical layer; the second network node only includes a radio resource control protocol layer, a service data adaptation layer and a packet data convergence protocol layer; or,
通信装置仅包含无线资源控制协议层、业务数据适配层和分组数据汇聚协议层,第二网络节点仅包含无线链路控制层、媒体接入控制层和物理层。The communication device only includes the radio resource control protocol layer, the service data adaptation layer and the packet data convergence protocol layer, and the second network node only includes the radio link control layer, the medium access control layer and the physical layer.
在一个可能的实现中,通信装置是分布式单元DU,第二网络节点是集中单元CU;或者,通信装置是CU,第二网络节点是DU。In a possible implementation, the communication device is a distributed unit DU, and the second network node is a centralized unit CU; or, the communication device is a CU, and the second network node is a DU.
在另一个可能的实现中,第一消息包含核心网类型的公共陆地移动网络PLMN信息和追踪区域码TAC信息中的至少一项。In another possible implementation, the first message includes at least one of core network type public land mobile network PLMN information and tracking area code TAC information.
在另一个可能的实现中,第一消息包含核心网类型的小区禁止信息。In another possible implementation, the first message contains core network type cell barring information.
在一个可能的实现中,处理器还用于读取并执行存储器中的指令,以实现:In one possible implementation, the processor is also used to read and execute instructions in memory to:
接收第二消息,第二消息用于确定核心网类型;receiving a second message, where the second message is used to determine the core network type;
根据第二消息确定核心网类型。The core network type is determined according to the second message.
可选地,在一个可能的实现中,通信装置还包括存储器。Optionally, in one possible implementation, the communication device further includes a memory.
第十方面,提供了一种通信装置,包括处理器,处理器与存储器耦合,读取并执行存储器中的指令,以实现:In a tenth aspect, a communication device is provided, including a processor, where the processor is coupled to a memory, and reads and executes instructions in the memory to achieve:
接收第一网络节点发送的第一消息,第一消息用于指示通信装置和第一网络节点所支持的核心网类型。A first message sent by the first network node is received, where the first message is used to indicate the core network type supported by the communication apparatus and the first network node.
在一个可能的实现中,通信装置仅包含无线资源控制协议层、业务数据适配层和分组数据汇聚协议层,第一网络节点仅包含无线链路控制层、媒体接入控制层和物理层;或者,In a possible implementation, the communication device only includes a radio resource control protocol layer, a service data adaptation layer and a packet data convergence protocol layer, and the first network node only includes a radio link control layer, a medium access control layer and a physical layer; or,
通信装置仅包含无线链路控制层、媒体接入控制层和物理层,第一网络节点仅包含无线资源控制协议层、业务数据适配层和分组数据汇聚协议层。The communication device only includes a radio link control layer, a medium access control layer and a physical layer, and the first network node only includes a radio resource control protocol layer, a service data adaptation layer and a packet data convergence protocol layer.
在一个可能的实现中,通信装置是分布式单元DU,第一网络节点是集中单元CU;或者,所述通信装置是CU,第一网络节点是DU。In a possible implementation, the communication device is a distributed unit DU, and the first network node is a centralized unit CU; or, the communication device is a CU, and the first network node is a DU.
在另一个可能的实现中,第一消息中包含核心网类型的公共陆地移动网络PLMN信息和追踪区域码TAC信息中的至少一项。In another possible implementation, the first message includes at least one of core network type public land mobile network PLMN information and tracking area code TAC information.
在另一个可能的实现中,第一消息中包含核心网类型的小区禁止信息。In another possible implementation, the first message includes cell barring information of the core network type.
在一个可能的实现中,通信装置还包括存储器。In one possible implementation, the communication device further includes a memory.
第十一方面,提供了一种通信装置,包括处理器,处理器与存储器耦合,读取并执行存储器中的指令,以实现:In an eleventh aspect, a communication device is provided, including a processor, the processor is coupled to a memory, and reads and executes instructions in the memory to achieve:
向第二网络节点发送第一消息,第一消息用于指示终端在第三网络节点所连接的核心网类型。Send a first message to the second network node, where the first message is used to indicate the core network type to which the terminal is connected to the third network node.
在一个可能的实现中,通信装置仅包含无线资源控制协议层、业务数据适配层和分组数据汇聚协议层;第二网络节点仅包含无线链路控制层、媒体接入控制层和物理层。In a possible implementation, the communication device only includes the radio resource control protocol layer, the service data adaptation layer and the packet data convergence protocol layer; the second network node only includes the radio link control layer, the medium access control layer and the physical layer.
在一个可能的实现中,通信装置是集中单元CU,第二网络节点是分布式单元DU。In one possible implementation, the communication device is a centralized unit CU and the second network node is a distributed unit DU.
在一个可能的实现中,处理器还用于读取并执行存储器中的指令,以实现:In one possible implementation, the processor is also used to read and execute instructions in memory to:
接收第三网络节点发送的第二消息,第二消息包括核心网类型的信息。A second message sent by a third network node is received, where the second message includes core network type information.
在一个可能的实现中,处理器还用于读取并执行存储器中的指令,以实现:In one possible implementation, the processor is also used to read and execute instructions in memory to:
接收第二网络节点发送的第三消息,第三消息包括切换配置信息,切换配置信息为第二网络节点根据终端在第三网络节点所连接的核心网类型生成。A third message sent by the second network node is received, where the third message includes handover configuration information, and the handover configuration information is generated by the second network node according to the core network type to which the terminal is connected to the third network node.
在一个可能的实现中,通信装置还包括存储器。In one possible implementation, the communication device further includes a memory.
第十二方面,提供了一种通信装置,包括处理器,处理器与存储器耦合,读取并执行存储器中的指令,以实现:A twelfth aspect provides a communication device, including a processor, where the processor is coupled to a memory, and reads and executes instructions in the memory to achieve:
接收第一网络节点发送的第一消息,第一消息用于指示终端在第三网络节点所连接的核心网类型。A first message sent by the first network node is received, where the first message is used to indicate the core network type to which the terminal is connected at the third network node.
在一个可能的实现中,通信装置仅包含无线链路控制层、媒体接入控制层和物理层;第一网络节点仅包含无线资源控制协议层、业务数据适配层和分组数据汇聚协议层。In a possible implementation, the communication device only includes the radio link control layer, the medium access control layer and the physical layer; the first network node only includes the radio resource control protocol layer, the service data adaptation layer and the packet data convergence protocol layer.
在一个可能的实现中,通信装置是分布式单元DU,第一网络节点是集中单元CU。In one possible implementation, the communication device is a distributed unit DU and the first network node is a centralized unit CU.
在一个可能的实现中,处理器还用于读取并执行存储器中的指令,以实现:In one possible implementation, the processor is also used to read and execute instructions in memory to:
根据终端在第三网络节点所连接的核心网类型生成切换配置信息;generating handover configuration information according to the core network type to which the terminal is connected to the third network node;
向第一网络节点发送第三消息,第三消息包括切换配置信息,以用于第一网络节点将切换配置信息发送给第三网络节点。A third message is sent to the first network node, where the third message includes handover configuration information for the first network node to send the handover configuration information to the third network node.
在一个可能的实现中,通信装置还包括存储器。In one possible implementation, the communication device further includes a memory.
第十三方面,提供了一种系统,该系统包括第九方面或第九方面的任一可能实现的通信装置,以及第十方面或第十方面的任一可能实现的通信装置;或者,该系统包括第十一方面或者第十一方面的任一可能实现的通信装置,以及第十二方面或第二方面任一可能实现的通信装置。A thirteenth aspect provides a system including the ninth aspect or any possible implementation of the ninth aspect, and the tenth aspect or any possible implementation of the tenth aspect. The communication device; or, the The system includes the communication apparatus of the eleventh aspect or any possible implementation of the eleventh aspect, and the communication apparatus of the twelfth aspect or any possible implementation of the second aspect.
第十四方面,提供了一种计算机可读存储介质,计算机可读存储介质上存储有计算机程序,计算机程序被处理器执行时实现上述第一方面至第四方面中任一方面或者多方面所述的方法。的方法。A fourteenth aspect provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, any one or more of the foregoing first to fourth aspects are implemented. method described. Methods.
第十五方面,提供了一种包含指令的计算机程序产品,当所述指令在计算机上运行时,使得计算机执行上述第一方面至第四方面中任意一方面或多方面所述的方法。A fifteenth aspect provides a computer program product comprising instructions that, when executed on a computer, cause the computer to perform the method described in any one or more of the above-mentioned first to fourth aspects.
基于提供的一种核心网类型的指示方法和通信装置,通过第一网络节点和第二网络节点间发送的信息指示核心网的类型,以便于第一网络节点和第二网络节点根据指示的核心网类型对核心网进行选择。Based on the provided method and communication device for indicating the type of the core network, the type of the core network is indicated through the information sent between the first network node and the second network node, so that the first network node and the second network node can Select the core network based on the network type.
附图说明Description of drawings
图1为本发明实施例提供的一种系统架构示意图;1 is a schematic diagram of a system architecture according to an embodiment of the present invention;
图2为本发明实施例提供的一种控制面协议栈的示意图;2 is a schematic diagram of a control plane protocol stack provided by an embodiment of the present invention;
图3为本发明实施例提供的一种用户面协议栈的示意图;3 is a schematic diagram of a user plane protocol stack provided by an embodiment of the present invention;
图4为本发明实施例提供的一种ng-eNB的CU-DU架构的示意图;FIG. 4 is a schematic diagram of a CU-DU architecture of an ng-eNB according to an embodiment of the present invention;
图5(a)和图5(b)分别为本发明实施例提供的在MR-DC架构下,MCG分离承载选择的架构示意图;FIG. 5(a) and FIG. 5(b) are respectively schematic diagrams of the architecture of MCG separation bearer selection under the MR-DC architecture provided by an embodiment of the present invention;
图6(a)和图6(b)分别为本发明实施例提供的在MR-DC架构下,SCG承载选择的架构示意图;FIG. 6(a) and FIG. 6(b) are respectively schematic diagrams of the architecture of SCG bearer selection under the MR-DC architecture provided by an embodiment of the present invention;
图7为本发明实施例提供的一种在MR-DC架构下,SCG分离承载选择的架构示意图;FIG. 7 is a schematic diagram of an architecture of SCG separation bearer selection under an MR-DC architecture according to an embodiment of the present invention;
图8为本发明实施例提供的一种ng-eNB的CU和ng-eNB的DU功能切分的示意图;8 is a schematic diagram of functional segmentation of a CU of an ng-eNB and a DU of an ng-eNB according to an embodiment of the present invention;
图9为本发明实施例提供的一种核心网类型指示的方法流程图;FIG. 9 is a flowchart of a method for indicating a core network type according to an embodiment of the present invention;
图10为本发明实施例提供的另一种核心网类型指示方法的流程示意图;10 is a schematic flowchart of another core network type indication method provided by an embodiment of the present invention;
图11为本发明实施例提供的另一种核心网类型指示方法的流程示意图;11 is a schematic flowchart of another core network type indication method provided by an embodiment of the present invention;
图12为本发明实施例提供的又一种核心网类型指示方法的流程示意图;12 is a schematic flowchart of still another core network type indication method provided by an embodiment of the present invention;
图13为本发明实施例提供的一种通信装置的结构示意图;13 is a schematic structural diagram of a communication device according to an embodiment of the present invention;
图14为本发明实施例提供的另一种通信装置的结构示意图;FIG. 14 is a schematic structural diagram of another communication apparatus provided by an embodiment of the present invention;
图15为本发明实施例提供的一种通信装置的结构示意图;15 is a schematic structural diagram of a communication device according to an embodiment of the present invention;
图16为本发明实施例提供的另一种通信装置的结构示意图。FIG. 16 is a schematic structural diagram of another communication apparatus according to an embodiment of the present invention.
具体实施方式Detailed ways
目前标准上可以支持LTE基站连接NR的5G核心网(core network),其系统架构如图1所示,其中,5G核心网可以简称为5GC。如图1所示的系统可以称为eLTE或者NG-LTE,也可以直接称为LTE连接到5GC,或者E-UTRAN连接到5GC,或者LTE/5GC。支持连接到5GC的LTE基站称为ng-eNB。The current standard can support LTE base stations to connect to
5GC包括接入管理功能(Access Management Function,AMF),会话管理功能(Session Management Function,SMF)和用户面管理功能(User Plane Function,UPF)。AMF的功能类似于LTE中MME的功能;UPF和SMF的功能接近于LTE中SGW+PGW的功能。ng-eNB与gNB之间通过接口Xn通信,ng-eNB、gNB与5GC中的AMF、UPF通过接口NG通信,如图1所示。5GC includes an Access Management Function (AMF), a Session Management Function (SMF), and a User Plane Function (UPF). The function of AMF is similar to that of MME in LTE; the functions of UPF and SMF are close to that of SGW+PGW in LTE. The ng-eNB and the gNB communicate through the interface Xn, and the ng-eNB, the gNB and the AMF and UPF in the 5GC communicate through the interface NG, as shown in Figure 1.
在该系统下,对应的控制面协议栈如图2所示,对应的用户面协议栈如图3所示。在图2中,分组数据汇聚协议(packet data convergence protocol,PDCP)可以采用E-UTRT的PDCP,或者采用NR的PDCP。在图3中,PDCP采用NR的PDCP。Under this system, the corresponding control plane protocol stack is shown in Figure 2, and the corresponding user plane protocol stack is shown in Figure 3. In FIG. 2 , the packet data convergence protocol (PDCP) may adopt the PDCP of E-UTRT, or adopt the PDCP of NR. In FIG. 3, PDCP adopts PDCP of NR.
图4为本发明实施例提供的一种ng-eNB的CU-DU架构的示意图,图4是ng-eNB的基本CU-DU架构示意图。ng-eNB的CU-DU架构还可以是如图5(a)、图5(b)、图6(a)、图6(b),以及图7所示的场景。图5(a)和图5(b)分别为在MR-DC架构下,主小区组(master cell group,MCG)分离承载选择的架构示意图;图6(a)和图6(b)分别为在MR-DC架构下,辅小区组(secondary cell group,SCG)承载选择的架构示意图;图7为在MR-DC架构下,SCG分离承载选择的架构示意图。其中,MR-DC架构为ng-eNB作为主基站支持CU-DU分离架构,gNB作为辅助基站,用于多流汇聚的传输。FIG. 4 is a schematic diagram of a CU-DU architecture of an ng-eNB according to an embodiment of the present invention, and FIG. 4 is a schematic diagram of a basic CU-DU architecture of an ng-eNB. The CU-DU architecture of the ng-eNB may also be the scenarios shown in FIG. 5(a), FIG. 5(b), FIG. 6(a), FIG. 6(b), and FIG. 7 . Fig. 5(a) and Fig. 5(b) are respectively schematic diagrams of the architecture of the separation and bearer selection of the master cell group (MCG) under the MR-DC architecture; Fig. 6(a) and Fig. 6(b) are respectively Under the MR-DC architecture, a schematic diagram of the architecture of the secondary cell group (secondary cell group, SCG) bearer selection; FIG. 7 is a schematic diagram of the architecture of the SCG separation bearer selection under the MR-DC architecture. Among them, the MR-DC architecture is that the ng-eNB acts as the primary base station to support the CU-DU separation architecture, and the gNB acts as the auxiliary base station for transmission of multi-stream aggregation.
在ng-eNB中,协议层的切分是在PDCP和无线链路控制(radio link control,RLC)层进行切分的,如图8所示,即ng-eNB的CU具有无线资源控制(radio resource control,RRC)或者部分RRC控制功能,包含现有基站的所有的协议层功能或者部分协议层功能;比如只包含RRC功能或者部分RRC功能,或者包含RRC功能或者业务数据适配协议(service dataadaptation protocol,SDAP)层功能,或者包含RRC/分组数据汇聚协议(packet dataconvergence protocol,PDCP)层功能,或者包含RRC/PDCP以及部分无线链路控制协议RLC层功能;或者包含RRC/PDCP/媒体接入控制(media access control,MAC)层,甚至部分或者全部物理层PHY功能,也不排除其它任何可能性,ng-eNB的DU具有现有基站的全部或者部分协议层功能,即RRC/SDAP/PDCP/RLC/MAC/PHY的部分协议层功能单元,比如包含部分RRC功能和PDCP/RLC/MAC/PHY等协议层功能,或者包含PDCP/RLC/MAC/PHY等协议层功能,或者包含RLC/MAC/PHY等协议层功能或者包含部分RLC/MAC/PHY功能,或者只包含全部或者部分PHY功能;需要注意的是这里提及的各个协议层的功能可能发生变化,均在本申请保护的范围内。其中,图8为ng-eNB的CU和ng-eNB的DU功能切分的示意图。In the ng-eNB, the segmentation of the protocol layer is performed at the PDCP and radio link control (RLC) layers, as shown in Figure 8, that is, the CU of the ng-eNB has radio resource control (radio resource control) layers. resource control, RRC) or part of the RRC control function, including all the protocol layer functions or part of the protocol layer functions of the existing base station; for example, only includes the RRC function or part of the RRC function, or includes the RRC function or the service data adaptation protocol (service data adaptation protocol) protocol, SDAP) layer function, or include RRC/packet data convergence protocol (packet data convergence protocol, PDCP) layer function, or include RRC/PDCP and some RLC layer functions of radio link control protocol; or include RRC/PDCP/media access Control (media access control, MAC) layer, even part or all of the physical layer PHY function, does not rule out any other possibility, the DU of the ng-eNB has all or part of the protocol layer functions of the existing base station, namely RRC/SDAP/PDCP Part of the protocol layer functional units of /RLC/MAC/PHY, such as including some RRC functions and PDCP/RLC/MAC/PHY and other protocol layer functions, or including PDCP/RLC/MAC/PHY and other protocol layer functions, or including RLC/MAC /PHY and other protocol layer functions either include part of RLC/MAC/PHY functions, or only include all or part of PHY functions; it should be noted that the functions of each protocol layer mentioned here may change, which are all within the scope of protection of this application . Wherein, FIG. 8 is a schematic diagram of functional division of the CU of the ng-eNB and the DU of the ng-eNB.
基于eLTE,本发明实施例提供了一种核心网类型指示的方法和通信装置,适用于ng-eNB的CU-DU架构。Based on eLTE, the embodiments of the present invention provide a core network type indication method and communication device, which are applicable to the CU-DU architecture of ng-eNB.
在本发明实施例中,提到的基站的核心网类型信息,可以是指只支持连接LTE的核心网(Evolved Packet Core,EPC),只支持连接5G核心网(5GC),同时支持连接EPC和5GC,即基站只支持连接EPC,或者只支持连接5GC,或者基站同时支持连接EPC和5GC。In the embodiment of the present invention, the mentioned core network type information of the base station may refer to a core network (Evolved Packet Core, EPC) that only supports connection to LTE, only supports connection to a 5G core network (5GC), and supports connection to EPC and EPC at the same time. 5GC, that is, the base station only supports connecting to EPC, or only supports connecting to 5GC, or the base station supports connecting to EPC and 5GC at the same time.
每个PLMN都可以支持三种核心网类型中的一种,即每个PLMN都可以只支持连接EPC,或者只支持连接5GC,或者同时支持连接EPC和5GC。Each PLMN can support one of the three core network types, that is, each PLMN can only support connecting to EPC, or only to connect to 5GC, or to connect to both EPC and 5GC.
不同的核心网类型对应的TAC值不同,即对于EPC下的小区有EPC的TAC;对于5GC下的小区有5GC的TAC;其中,对于5GC下的小区的每个PLMN也可以有不同的TAC。Different core network types correspond to different TAC values, that is, cells under EPC have TACs of EPC; cells under 5GC have TACs of 5GC; wherein, each PLMN of cells under 5GC can also have different TACs.
不同的核心网类型下的小区具有不同的小区禁止(cell barred)信息,即对于EPC下的小区有EPC的小区禁止信息,对于5GC下的小区有5GC的小区禁止信息。Cells under different core network types have different cell barred information, that is, cells under EPC have cell barred information of EPC, and cells under 5GC have cell barred information of 5GC.
下面结合附图对本发明实施例提供的核心网类型指示的方法进行说明。需要说明的是,在本发明实施例中,“第一”、“第二”和“第三”仅仅是为了区分网络节点和消息,并不对网络节点和消息本身进行限定。The method for indicating the core network type provided by the embodiment of the present invention will be described below with reference to the accompanying drawings. It should be noted that, in this embodiment of the present invention, "first", "second" and "third" are only for distinguishing network nodes and messages, and do not limit network nodes and messages themselves.
图9为本发明实施例提供的一种核心网类型指示的方法流程图。如图9所示,该方法可以包括以下步骤:FIG. 9 is a flowchart of a method for indicating a core network type according to an embodiment of the present invention. As shown in Figure 9, the method may include the following steps:
S110,第一网络节点向第二网络节点发送第一消息。S110, the first network node sends a first message to the second network node.
其中,第一消息用于指示第一网络节点和第二网络节点所支持的核心网类型。这里“所支持”也可以理解为“所支持连接”,其中,“所支持连接”可以是指第一网络节点或第二网络节点与核心网的直接连接,也可以是指第一网络节点或第二网络节点通过其他元件与核心网的间接连接。The first message is used to indicate the core network type supported by the first network node and the second network node. Here, "supported" can also be understood as "supported connection", wherein "supported connection" may refer to the direct connection between the first network node or the second network node and the core network, or the first network node or The second network node is indirectly connected to the core network through other elements.
具体的,所述第一消息用于指示网络配置信息所支持的核心网类型,其中,所述网络配置信息可以为PLMN、TAC、小区禁止信息等的至少一种。Specifically, the first message is used to indicate the core network type supported by the network configuration information, where the network configuration information may be at least one of PLMN, TAC, cell barring information, and the like.
可选地,在一个实施例中,第一网络节点仅包含无线链路层控制RLC协议层、媒体接入控制MAC层和物理PHY层的至少一种;第二网络节点仅包含无线资源控制RRC协议层、业务数据适配层SDAP和分组数据汇聚PDCP协议层的至少一种;或者,Optionally, in an embodiment, the first network node only includes at least one of the radio link layer control RLC protocol layer, the medium access control MAC layer, and the physical PHY layer; the second network node only includes the radio resource control RRC At least one of the protocol layer, the service data adaptation layer SDAP and the packet data convergence PDCP protocol layer; or,
第一网络节点仅包含RRC协议层、业务数据适配层SDAP和PDCP协议层的至少一种,第二网络节点仅包含RLC协议层、MAC层和PHY层的至少一种。The first network node only includes at least one of the RRC protocol layer, the service data adaptation layer SDAP and the PDCP protocol layer, and the second network node only includes at least one of the RLC protocol layer, the MAC layer and the PHY layer.
可选地,在一个实施例中,第一网络节点是DU,第二网络节点是CU;或者,第一网络节点是CU,第二网络节点是DU。DU和CU通过它们之间的接口发送第一消息,DU和CU之间的接口可以称为W1接口。该W1接口可以是现有的W1接口也可以是新定义的W1接口。在本发明实施例中,如果W1接口是新定义的接口,那么W1接口还可以有其他名字,在本发明实施例对新定义的接口的名称不作限定。Optionally, in one embodiment, the first network node is a DU, and the second network node is a CU; or, the first network node is a CU, and the second network node is a DU. The DU and the CU send the first message through the interface between them, and the interface between the DU and the CU may be referred to as the W1 interface. The W1 interface may be an existing W1 interface or a newly defined W1 interface. In this embodiment of the present invention, if the W1 interface is a newly defined interface, the W1 interface may also have other names, and the name of the newly defined interface is not limited in this embodiment of the present invention.
在描述第一网络节点与第二网络节点之间交互的核心网类型指示之前,先了解一下在eLTE的讨论过程中,提出的一些结论:Before describing the core network type indication of the interaction between the first network node and the second network node, let's take a look at some conclusions raised during the eLTE discussion:
1、为5GC引入一个新的公共陆地移动网络(public land mobile network,PLMN)列表,该新引入的PLMN列表中包括可以连接到5GC的至少一个PLMN。1. A new public land mobile network (PLMN) list is introduced for the 5GC, and the newly introduced PLMN list includes at least one PLMN that can be connected to the 5GC.
2、为具有5GC-NAS的UE提供小区禁止标识的功能,引入了新的小区禁止标识,例如“小区禁止-5GC”。在所有PLMN只能连接5GC的情况下,可以使用新引入的小区禁止标识来标识小区禁止接入的5GC。而对于EPC-NAS中有能力接入EPC的UE可以忽略小区被禁止接入的情况。其中,小区禁止标识可以包含在系统信息块1(system information block,SIB1)中。2. The function of providing cell barring identifiers for UEs with 5GC-NAS, and introducing a new cell barring identifier, such as "cell barring-5GC". In the case that all PLMNs can only be connected to 5GC, the newly introduced cell barring identifier can be used to identify the 5GC that the cell is barred from accessing. However, for the UE capable of accessing the EPC in the EPC-NAS, the situation that the cell is prohibited from being accessed can be ignored. The cell prohibition identifier may be included in a system information block 1 (system information block, SIB1).
3、新引入一个用于5GC的跟踪区号(tracking area code,TAC)字段,该TAC字段可以为3个字节的字段,与用于EPC的TAC字段进行区分,用于EPC的TAC字段为2个字节的字段。3. A new tracking area code (TAC) field for 5GC is introduced. The TAC field can be a 3-byte field, which is distinguished from the TAC field for EPC. The TAC field for EPC is 2 byte field.
且5GC的PLMN可以广播单独的TAC,即eNB可以为连接到EPC和5GC的每个PLMN广播两个TAC,一个用于连接到EPC的E-UTRA,一个用于连接到5GC的E-UTRA。该情况适用于无线接入网(radio access network,RAN)共享情况和非RAN共享情况。And the PLMN of 5GC can broadcast a separate TAC, that is, the eNB can broadcast two TACs for each PLMN connected to EPC and 5GC, one for E-UTRA connected to EPC and one for E-UTRA connected to 5GC. This case applies to both the radio access network (RAN) sharing case and the non-RAN sharing case.
基于以上eLTE讨论过程中提出的一些结论,可选地,在本发明的一个实施例中,第一消息中可以包含所述核心网类型的PLMN信息和TAC信息中的至少一项。在本发明实施例中,以UE连接不同的核心网,例如EPC和/或5GC,CU-DU之间交互的核心网类型指示可以存在以下形式:Based on some conclusions raised in the above eLTE discussion process, optionally, in an embodiment of the present invention, the first message may include at least one of PLMN information and TAC information of the core network type. In this embodiment of the present invention, when the UE is connected to different core networks, such as EPC and/or 5GC, the core network type indication for interaction between CU-DUs may exist in the following forms:
1、显式指示核心网类型,例如CU和DU通过W1接口发送第一消息,第一消息中包括PLMN信息、TAC信息中的至少一种,同时第一消息中还包括一个核心网类型信息CN type,所述CN type用于指示PLMN或者TAC是支持哪个核心网的;可选的,所述TAC信息可以是隐式指示,即包括两个TAC,一个是EPC的TAC,另一个是5GC的TAC;可选的,所述PLMN也可以是隐式指示,即包括两个PLMN,一个是EPC的PLMN,另一个是5GC的PLMN。可选的,第一消息中的PLMN信息可以包括TAC信息,或者,TAC信息和PLMN信息可以独立作为单独的信元存在。具体的信元例如:第一消息中包括显式指示核心网类型的信息CN type,如实例1、实例2、实例3、实例4和实例5所示。其中,PLMN信息还可以称为PLMN信元,其具体形式可以为PLMN列表。1. Explicitly indicate the core network type. For example, the CU and DU send the first message through the W1 interface. The first message includes at least one of PLMN information and TAC information, and the first message also includes a core network type information CN. type, the CN type is used to indicate which core network the PLMN or TAC supports; optionally, the TAC information may be an implicit indication, that is, it includes two TACs, one is the TAC of the EPC, and the other is the TAC of the 5GC TAC; Optionally, the PLMN may also be an implicit indication, that is, it includes two PLMNs, one is the PLMN of the EPC, and the other is the PLMN of the 5GC. Optionally, the PLMN information in the first message may include TAC information, or the TAC information and the PLMN information may exist independently as separate information elements. For example, the specific information element: the first message includes information CN type that explicitly indicates the core network type, as shown in instance 1, instance 2, instance 3, instance 4 and
实例1Example 1
实例2Example 2
实例3Example 3
实例4Example 4
实例5Example 5
需要说明的是,上述表中的状态的含义为,M含义是必选项,O含义是可选项,上述表中的M和O只是一个举例,实际上上述表中的信元可以是M也可以是O,本发明不限定。It should be noted that the meanings of the states in the above table are that M means a mandatory option, and O means an optional option. The M and O in the above table are just an example. In fact, the cell in the above table can be either M or M. is O, and the present invention is not limited.
2、隐式指示核心网类型,例如CU和DU通过W1接口发送第一消息,第一消息中包括两个PLMN信息,两个PLMN信息分别表示支持EPC的PLMN信息和支持5GC的PLMN信息,如实例6和实例7所示。通过两个PLMN信息隐式指示核心网类型。2. Implicitly indicate the core network type. For example, the CU and DU send the first message through the W1 interface. The first message includes two PLMN information. The two PLMN information respectively represent the PLMN information supporting EPC and the PLMN information supporting 5GC, such as Examples 6 and 7 are shown. The core network type is implicitly indicated by two PLMN messages.
实例6Example 6
实例7Example 7
第一消息包括每个小区的PLMN信息和/或TAC信息。每个小区用小区标识来标识,小区标识可以采用全球小区识别码(cell global identifier,CGI)和物理小区标识符(Physical Cell Identifier,PCI)来标识。The first message includes PLMN information and/or TAC information for each cell. Each cell is identified by a cell identifier, and the cell identifier may be identified by a global cell identifier (cell global identifier, CGI) and a physical cell identifier (Physical Cell Identifier, PCI).
在本发明的一个实施例中,PLMN信息还可以包括TAC信息,如实例1和实例4所示。在实例1中,TAC信息可以隐式或者显示的指示,具体的,隐式的指示可以包括分别用于标识支持EPC的TAC信息TAC-EPC,以及用于标识支持5GC的TAC信息TAC-5GC。例如,如果该小区的TAC是TAC-5GC,那么目标节点收到第一消息后,就可以知道所述小区是支持5GC的;如果该小区的TAC是TAC-EPC,那么目标节点收到第一消息后,就可以知道所述小区是支持5GC的。如果该小区的TAC指示是TAC-EPC和TAC-5GC,那么目标节点收到第一消息后,就可以知道所述小区是同时支持5GC和EPC的。可选地,在本发明的一个实施例中,TAC-EPC和TAC-5GC可以通过字节进行区分。TAC-EPC为2个字节,TAC-5GC为3个字节。In an embodiment of the present invention, the PLMN information may further include TAC information, as shown in Example 1 and Example 4. In Example 1, the TAC information may be an implicit or explicit indication. Specifically, the implicit indication may include TAC-EPC for identifying EPC-supporting TAC information and TAC-5GC for identifying 5GC-supporting TAC information. For example, if the TAC of the cell is TAC-5GC, after receiving the first message, the target node can know that the cell supports 5GC; if the TAC of the cell is TAC-EPC, then the target node receives the first message. After the message is received, it can be known that the cell supports 5GC. If the TAC indication of the cell is TAC-EPC and TAC-5GC, after receiving the first message, the target node can know that the cell supports both 5GC and EPC. Optionally, in an embodiment of the present invention, TAC-EPC and TAC-5GC can be distinguished by bytes. TAC-EPC is 2 bytes and TAC-5GC is 3 bytes.
在本发明实施例中,PLMN信息和TAC信息还可以分别独立作为一个信元直接包含在第一消息中,如实例2,实例3和实例5所示。需要说明的是,PLMN和TAC可以分别隐式指示也可以分别是显示指示。In this embodiment of the present invention, the PLMN information and the TAC information may also be directly included in the first message as an information element, respectively, as shown in Example 2, Example 3, and Example 5. It should be noted that, the PLMN and the TAC may respectively indicate implicitly or indicate explicitly.
实例6和实例7是通过两个PLMN信息隐式指示核心网类型。一个PLMN信息用于表示支持EPC,另一个PLMN信息用于表示支持5GC。在实例6中,每个PLMN信息中都可以包括PLMN标识和TAC信息。可选地,在一个实施例中,当小区的PLMN信息和TAC信息用于指示支持的核心网类型是EPC时,第一消息中包括EPC的PLMN信息。In Example 6 and Example 7, the core network type is implicitly indicated by two PLMN information. One PLMN information is used to indicate that EPC is supported, and the other PLMN information is used to indicate that 5GC is supported. In Example 6, each PLMN information may include a PLMN identity and TAC information. Optionally, in an embodiment, when the PLMN information and the TAC information of the cell are used to indicate that the supported core network type is EPC, the first message includes the PLMN information of the EPC.
可选地,在另一个实施例中,当小区的PLMN信息和TAC信息用于指示支持的核心网类型是5GC时,第一消息中包括5GC的PLMN信息。Optionally, in another embodiment, when the PLMN information and TAC information of the cell are used to indicate that the supported core network type is 5GC, the first message includes PLMN information of 5GC.
可选地,在又一实施例中,当小区的PLMN信息和TAC信息用于指示支持的核心网类型是EPC和5GC时,第一消息中包括EPC的PLMN信息和5GC的PLMN信息。Optionally, in another embodiment, when the PLMN information and TAC information of the cell are used to indicate that the supported core network types are EPC and 5GC, the first message includes the PLMN information of the EPC and the PLMN information of the 5GC.
在实例7中,PLMN信息和TAC信息分别独立的包含在第一消息中。第一消息可以包括两个TAC信息和两个PLMN信息,分别用于指示支持的核心网类型是EPC和5GC。In Example 7, the PLMN information and the TAC information are separately included in the first message. The first message may include two pieces of TAC information and two pieces of PLMN information, which are respectively used to indicate that the supported core network types are EPC and 5GC.
可选的,在本发明的一个实施例中,第一消息中还可以包括切片支持的信息,可选的,所述切片支持的信息可以包括在PLMN信息中。Optionally, in an embodiment of the present invention, the first message may further include information about slice support, and optionally, the information about slice support may be included in PLMN information.
可选的,在本发明的一个实施例中,第一消息中的TAC信息还可以是PLMN粒度的,即对于支持EPC的小区,每个PLMN具有不同的TAC-EPC,对于支持5GC的小区,每个PLMN具有不同的TAC-5GC。Optionally, in an embodiment of the present invention, the TAC information in the first message may also be of PLMN granularity, that is, for a cell supporting EPC, each PLMN has a different TAC-EPC, and for a cell supporting 5GC, Each PLMN has a different TAC-5GC.
可选地,在本发明实施例中,当第一消息中包含PLMN信息和/或TAC信息时,第一消息可以是W1接口建立请求消息,或者W1接口建立响应消息,或者W1接口配置更新消息,或者W1接口配置更新响应消息等消息。Optionally, in this embodiment of the present invention, when the first message includes PLMN information and/or TAC information, the first message may be a W1 interface setup request message, or a W1 interface setup response message, or a W1 interface configuration update message. , or W1 interface configuration update response message and other messages.
可选地,在本发明的一个实施例中,第一消息除包括PLMN和/或TAC信息外,还可以包括小区禁止(cell barred)信息,以指示小区禁止信息的核心网类型。小区禁止信息的具体形式可参见实例12、实例13和实例14的描述。当然,第一消息中也可以不包含小区禁止信息,当第二网络节点接收到第一消息时,可以根据第一消息中的PLMN信息和/或TAC信息确定所指示连接的核心网类型,进而判断小区禁止信息的核心网类型。Optionally, in an embodiment of the present invention, in addition to the PLMN and/or TAC information, the first message may further include cell barred (cell barred) information to indicate the core network type of the cell barred information. For the specific form of the cell barring information, please refer to the description of Example 12, Example 13 and Example 14. Of course, the first message may not contain cell barring information. When the second network node receives the first message, it can determine the type of core network indicated to connect according to the PLMN information and/or TAC information in the first message, and then Determine the core network type of the cell barring information.
可选地,在本发明的一个实施例中,第一消息中可以包括所述核心网类型的小区禁止(cell barred)信息,以指示小区禁止信息的核心网类型。Optionally, in an embodiment of the present invention, the first message may include cell barred (cell barred) information of the core network type to indicate the core network type of the cell barred information.
也是说,小区禁止信息可以与PLMN信息和/或TAC信息一起被包含于第一消息中,也可以单独被包含于第一消息中,或者被包含在一个新的消息中,本发明在此不限定。That is to say, the cell barring information may be included in the first message together with the PLMN information and/or the TAC information, or may be included in the first message alone, or included in a new message, which is not discussed in the present invention. limited.
采用CU和DU之间交互的显式指示或隐式指示核心网类型,实现了核心网类型的选择。The core network type is selected by using the explicit indication or implicit indication of the core network type in the interaction between the CU and the DU.
可选地,如图9所示,在所述第一网络节点向第二网络节点发送第一消息之前,该方法还可以包括:Optionally, as shown in FIG. 9, before the first network node sends the first message to the second network node, the method may further include:
S120,第一网络节点接收第二消息。S120, the first network node receives the second message.
第一网络节点接收管理节点发送的第二消息,管理节点可以是操作、管理和维护(operation,administration and maintenance,OAM)的网管,或者其他集中式管理节点,在本发明实施例中对此不作限定。The first network node receives the second message sent by the management node, and the management node may be an operation, management and maintenance (operation, administration and maintenance, OAM) network manager, or other centralized management node, which is not performed in this embodiment of the present invention. limited.
管理节点为第一网络节点配置PLMN信息、TAC信息和核心网类型(CN type)信息,并将配置好的PLMN信息、TAC信息和和核心网类型信息通过第二消息发送给第一网络节点,可选的,也可以通过其他现有消息或者新消息发送,本发明在此不限定。需要说明的是,所述核心网类型信息可以是显示指示,或者,也可以是隐式指示,如图实例8和实例9所示的显示指示方式,如实例10和实例11的隐式指示方式。The management node configures PLMN information, TAC information and core network type (CN type) information for the first network node, and sends the configured PLMN information, TAC information and core network type information to the first network node through a second message, Optionally, it can also be sent through other existing messages or new messages, which is not limited in the present invention. It should be noted that the core network type information may be a display indication, or may also be an implicit indication, such as the display indication methods shown in example 8 and example 9, such as the implicit indication methods of example 10 and example 11 .
实例8Example 8
实例9Example 9
实例10Example 10
实例11Example 11
需要说明的是,上述表中的状态的含义为,M含义是必选项,O含义是可选项,上述表中的M和O只是一个举例,实际上上述表中的信元可以是M也可以是O,本发明不限定。It should be noted that the meanings of the states in the above table are that M means a mandatory option, and O means an optional option. M and O in the above table are just an example. In fact, the cells in the above table can be M or M. is O, and the present invention is not limited.
如实例8所示,第二消息包括小区标识CGI、PCI,以及TAC信息和PLMN信息,其中,PLMN信息中包含PLMN标识和核心网类型信息。As shown in Example 8, the second message includes cell identifiers CGI and PCI, as well as TAC information and PLMN information, wherein the PLMN information includes the PLMN identifier and core network type information.
如实例9所示,第二消息包括小区标识CGI、PCI,以及PLMN信息,其中,PLMN信息包括PLMN标识和TAC信息和核心网类型(CN type)信息。As shown in Example 9, the second message includes cell identity CGI, PCI, and PLMN information, wherein the PLMN information includes PLMN identity and TAC information and core network type (CN type) information.
如实例10所示,第二消息包括小区CGI、PCI,两个PLMN信息和两个TAC信息,其中,一个PLMN信息用于标识EPC的PLMN,另一个PLMN信息用于标识5GC的PLMN;一个TAC信息用于标识EPC的TAC,另一个TAC信息用于标识5GC的TAC。As shown in Example 10, the second message includes cell CGI, PCI, two PLMN information and two TAC information, wherein one PLMN information is used to identify the PLMN of the EPC, and the other PLMN information is used to identify the PLMN of the 5GC; one TAC The information is used to identify the TAC of the EPC, and the other TAC information is used to identify the TAC of the 5GC.
如实例11所示,第二消息包括小区CGI、PCI和两个PLMN信息,其中,PLMN信息包括TAC信息。As shown in Example 11, the second message includes cell CGI, PCI, and two PLMN information, wherein the PLMN information includes TAC information.
可选地,在本发明实施例中,如果第一网络节点是DU,第二网络节点是CU,那么DU在接收到管理节点配置的PLMN信息、TAC信息和CN type后,确定每个小区对应的每个PLMN和TAC所指示连接的核心网类型。进而通过W1接口向CU发送第一消息,并在第一消息中显式或隐式的指示所述信息的核心网类型。实现了DU与CU之间的PLMN信息和TAC信息的核心网类型指示的交互。Optionally, in this embodiment of the present invention, if the first network node is a DU and the second network node is a CU, after receiving the PLMN information, TAC information and CN type configured by the management node, the DU determines that each cell corresponds to Each PLMN and TAC indicate the connected core network type. Further, the first message is sent to the CU through the W1 interface, and the core network type of the information is explicitly or implicitly indicated in the first message. The interaction of core network type indication of PLMN information and TAC information between DU and CU is realized.
另外,DU接收到管理节点配置的信息后,还可以在向终端广播消息时,在广播消息中显式或隐式的指示核心网类型,以用于指示UE所能连接的核心网类型。其中,广播消息中显式或者隐式的指示核心网类型的方式与S110中显式或者隐式指示核心网类型的方式相同,为简洁描述在此不再赘述。In addition, after receiving the information configured by the management node, the DU can also explicitly or implicitly indicate the core network type in the broadcast message when broadcasting the message to the terminal, so as to indicate the core network type that the UE can connect to. The manner in which the core network type is explicitly or implicitly indicated in the broadcast message is the same as the manner in which the core network type is explicitly or implicitly indicated in S110, which is not repeated here for brevity.
在一个实施例中,如果第一网络节点是CU,第二网络节点是DU,那么CU接收到管理节点配置的PLMN信息、TAC信息和CN type后,CU就可以确定每个小区所支持的核心网类型。为了让DU知道每个小区所支持的核心网的类型,CU通过W1接口向DU发送第一消息,并在第一消息中显式或隐式的指示核心网类型,实现了CU和DU之间的PLMN信息和TAC信息的核心网类型指示的交互。In one embodiment, if the first network node is a CU and the second network node is a DU, after the CU receives the PLMN information, TAC information and CN type configured by the management node, the CU can determine the core supported by each cell Net type. In order to let the DU know the type of core network supported by each cell, the CU sends a first message to the DU through the W1 interface, and explicitly or implicitly indicates the type of the core network in the first message. The interaction of the core network type indication of the PLMN information and the TAC information.
无论CU是从管理节点,还是从DU获取PLMN信息、TAC信息,以及与其相应的核心网类型信息,当CU获取到这些信息后就能确定每个小区所支持的核心网类型,并可以正确执行以下流程:No matter whether the CU obtains the PLMN information, TAC information, and the corresponding core network type information from the management node or the DU, when the CU obtains these information, it can determine the core network type supported by each cell and execute the correct execution. The following process:
比如,寻呼(paging):当CU从核心网接收到寻呼消息时,CU根据寻呼消息中的寻呼标识信息(UE paging identity)确定核心网类型,从而在CU给DU发送的寻呼消息中填写所述核心网类型对应的寻呼信息,其中,对于EPC寻呼,UE寻呼标识为S-TMSI;对于5GC寻呼,UE寻呼标识为5G-S-TMSI。当CU无法根据寻呼标识确定核心网类型时,CU通过寻呼消息中的TAI,和CU已获取到的PLMN信息、TAC信息以及对应的核心网类型信息的对应关系确定核心网类型,进而在CU发送给DU的寻呼消息中填写所述核心网类型对应的寻呼信息,以完成寻呼。For example, paging: when the CU receives a paging message from the core network, the CU determines the core network type according to the paging identity information (UE paging identity) in the paging message, so that the CU sends the paging message to the DU. The paging information corresponding to the core network type is filled in the message, wherein, for EPC paging, the UE paging identifier is S-TMSI; for 5GC paging, the UE paging identifier is 5G-S-TMSI. When the CU cannot determine the core network type according to the paging identifier, the CU determines the core network type through the TAI in the paging message, and the corresponding relationship between the PLMN information, TAC information and the corresponding core network type information obtained by the CU, and then in the The paging information corresponding to the core network type is filled in the paging message sent by the CU to the DU to complete the paging.
又比如,切换限制列表(handover restriction list):当CU接收到核心网发送的切换限制信息(或称为切换限制列表)后,CU根据保存的PLMN信息、TAC信息,以及对应的核心网类型信息确定限制哪些PLMN和/或TAC分别使用哪个核心网,从而可以正确的执行切换等流程。For another example, handover restriction list (handover restriction list): after the CU receives the handover restriction information (or referred to as the handover restriction list) sent by the core network, the CU stores the PLMN information, TAC information, and the corresponding core network type information according to the stored PLMN information, TAC information. Determine which PLMNs and/or TACs are restricted from using which core network, so that processes such as handover can be performed correctly.
又比如,核心网接口建立:CU接收到DU发送的PLMN信息和TAC信息后,CU与核心网建立接口,在建立接口的过程中,CU把各个支持各核心网类型的PLMN信息和TAC信息发送给相应的核心网,例如在与EPC建立接口时,把支持EPC的PLMN信息和TAC信息发送给EPC;或者在与5GC建立接口时,把支持5GC的PLMN信息和TAC信息发送给5GC。实现了CU与核心网接口的建立过程。For another example, the core network interface is established: after the CU receives the PLMN information and TAC information sent by the DU, the CU establishes an interface with the core network. In the process of establishing the interface, the CU sends the PLMN information and TAC information that support each core network type. To the corresponding core network, for example, when establishing an interface with EPC, send the PLMN information and TAC information supporting EPC to EPC; or when establishing an interface with 5GC, send 5GC supporting PLMN information and TAC information to 5GC. The establishment process of the interface between the CU and the core network is realized.
在本发明实施例中,当DU获取到PLMN信息、TAC信息,以及所对应的核心网类型信息后,可以确定小区所支持的核心网,从而可以正确的发送广播消息给UE,并指示UE所对应的小区所能连接的核心网的信息。In the embodiment of the present invention, after the DU obtains the PLMN information, the TAC information, and the corresponding core network type information, it can determine the core network supported by the cell, so that the broadcast message can be correctly sent to the UE and indicate the Information about the core network that the corresponding cell can connect to.
采用本发明实施例提供的核心网类型指示的方法,解决了在CU和DU之间交互过程中,与小区相关的PLMN、TAC所对应的核心网类型的指示,从而使DU可以正确的向UE广播消息,使CU可以正确的执行寻呼、切换限制、接口建立等过程。The method for indicating the core network type provided by the embodiment of the present invention solves the problem of indicating the core network type corresponding to the PLMN and TAC related to the cell during the interaction process between the CU and the DU, so that the DU can correctly report to the UE. Broadcast messages, so that the CU can correctly perform paging, handover restriction, interface establishment and other processes.
对于小区禁止信息,可以由CU或DU来确定是否进行小区禁止接入。如果是由CU来确定是否进行小区禁止接入,在一个实施例中,CU可以根据邻区信息来确定是否进行小区禁止接入。当然,CU也可以通过其他现有或者新的技术方法确定是否进行小区禁止接入,在本发明实施例中对此不作限定。For cell barring information, whether to perform cell barring access may be determined by the CU or DU. If the CU determines whether to bar access to a cell, in one embodiment, the CU may determine whether to bar access to a cell according to neighboring cell information. Certainly, the CU may also determine whether to bar access to a cell by using other existing or new technical methods, which is not limited in this embodiment of the present invention.
本发明实施例还提供了一种核心网类型的指示方法,如图10所示,图10为本发明实施例提供的另一种核心网类型指示的方法流程示意图。如图10所示,该方法可以包括以下步骤:An embodiment of the present invention further provides a method for indicating a core network type. As shown in FIG. 10 , FIG. 10 is a schematic flowchart of another method for indicating a core network type provided by an embodiment of the present invention. As shown in Figure 10, the method may include the following steps:
210,CU向DU发送第一消息,第一消息中包含小区禁止信息。210. The CU sends a first message to the DU, where the first message includes cell barring information.
CU确定了每个核心网的小区禁止信息后,CU通过W1接口向DU发送第一消息,第一消息中包含小区禁止信息,小区禁止信息用于指示核心网类型即小区禁止信息包括禁止终端接入小区,小区所支持连接的核心网类型。After the CU determines the cell prohibition information of each core network, the CU sends the first message to the DU through the W1 interface. The first message contains the cell prohibition information. The cell prohibition information is used to indicate the core network type, that is, the cell prohibition information includes the prohibition of terminal access. Incoming cell, the core network type supported by the cell.
需要说明的是,小区禁止信息可以是核心网粒度的,即对于EPC下的小区有EPC的小区禁止信息,对于5GC的小区有5GC的小区禁止信息。或者,小区禁止信息还可以是PLMN粒度的,即对于EPC下的小区有EPC的PLMN1的小区禁止信息、PLMN2的小区禁止信息等。还需要说明的是,小区禁止信息是用于指示UE是否能够接入小区,例如某个小区的小区禁止信息是5GC的小区禁止信息,那么如果是希望接入到5GC的UE就不能通过所述小区接入到5GC。It should be noted that the cell barring information may be of core network granularity, that is, there is cell barring information of EPC for a cell under EPC, and cell barring information of 5GC for a cell of 5GC. Alternatively, the cell barring information may also be of PLMN granularity, that is, for a cell under the EPC, there are cell barring information of PLMN1 of the EPC, cell barring information of PLMN2, and the like. It should also be noted that the cell barring information is used to indicate whether the UE can access the cell. For example, the cell barring information of a certain cell is the cell barring information of the 5GC, then if the UE wants to access the 5GC, it cannot pass the The cell is connected to 5GC.
在本发明实施例中,可以通过显式或者隐式指示小区禁止信息的核心网类型。例如:通过第一消息中包括一个核心网类型来显式指示小区禁止信息的核心网类型;通过第一消息中包括两个小区禁止信息来隐式指示核心网类型,其中两个小区禁止信息分别是两个不同核心网的小区禁止信息。其中,小区禁止信息具体形式可以为一个列表。In this embodiment of the present invention, the core network type of the cell barring information may be indicated explicitly or implicitly. For example, the core network type of the cell barring information is explicitly indicated by including one core network type in the first message; the core network type is implicitly indicated by including two cell barring messages in the first message, wherein the two cell barring messages are respectively is the cell barring information of two different core networks. The specific form of the cell barring information may be a list.
小区禁止信息的核心网类型显示指示方式如实例12和实例13所示。在实例12中,小区禁止列表包括核心网类型(CN type)信息、小区标识(CGI)列表,以及小区禁止信息。其中,小区标识(CGI)列表包括用于接入EPC的小区的小区标识,以及用于接入5GC的小区的小区标识,根据CN type的指示选择相应的CGI信息。小区禁止信息包括EPC或者5GC核心网类型的小区禁止信息,根据CN type的指示选择相应的小区禁止信息。在实例12中以小区禁止信息是EPC的小区禁止信息为例,禁止终端通过小区接入核心网类型为EPC的核心网。Example 12 and Example 13 show the core network type display and indication manner of the cell barring information. In Example 12, the cell barring list includes core network type (CN type) information, a cell identity (CGI) list, and cell barring information. The cell identifier (CGI) list includes the cell identifier of the cell used to access the EPC and the cell identifier of the cell used to access the 5GC, and corresponding CGI information is selected according to the indication of the CN type. The cell barring information includes the cell barring information of the EPC or 5GC core network type, and the corresponding cell barring information is selected according to the indication of the CN type. In Example 12, taking the cell barring information of which the cell barring information is EPC as an example, the terminal is barred from accessing the core network whose core network type is EPC through the cell.
实例12Example 12
实例13Example 13
需要说明的是,上述表中的状态的含义为,M含义是必选项,O含义是可选项,上述表中的M和O只是一个举例,实际上上述表中的信元可以是M也可以是O,本发明不限定。It should be noted that the meanings of the states in the above table are that M means a mandatory option, and O means an optional option. M and O in the above table are just an example. In fact, the cells in the above table can be M or M. is O, and the present invention is not limited.
在实施13中,第一消息包括小区禁止列表,小区禁止列表包括核心网类型(CNtype)信息,小区标识CGI和小区禁止信息。在实例13中,通过小区禁止列表中的核心网类型信息,小区标识CGI以及小区禁止信息指示终端禁止通过哪些小区接入哪种类型的核心网。假设,实例13中的小区禁止列表包括的核心网类型信息是EPC,小区标识CGI为小区1、小区禁止信息指示禁止终端接入的信息,那么该实例禁止终端通过小区1接入EPC网络。In implementation 13, the first message includes a cell barring list, and the cell barring list includes core network type (CNtype) information, a cell identification CGI, and cell barring information. In example 13, through the core network type information in the cell barring list, the cell identification CGI and the cell barring information indicate that the terminal is barred from accessing which type of core network through which cells. Assuming that the core network type information included in the cell barring list in example 13 is EPC, the cell identifier CGI is cell 1, and the cell barring information indicates information that the terminal is prohibited from accessing, then this example prohibits the terminal from accessing the EPC network through cell 1.
小区禁止信息的核心网类型隐式指示方式如实例14所示。实例14包括两个小区禁止信息,两个小区禁止列表中的一个小区禁止列表用于表示核心网类型是EPC的小区禁止信息,另一个小区禁止列表用于表示核心网类型是5GC的小区禁止信息。Example 14 shows an implicit way of indicating the core network type of the cell barring information. Example 14 includes two cell barring information, one of the two cell barring lists is used to represent the cell barring information that the core network type is EPC, and the other cell barring list is used to represent the cell barring information that the core network type is 5GC .
可选地,在本发明实施例中,小区禁止信息可以是枚举类型,如ENUMERATED{barred,notBarred}。Optionally, in this embodiment of the present invention, the cell barring information may be an enumeration type, such as ENUMERATED{barred,notBarred}.
实例14Example 14
需要说明的是,上述表中的状态的含义为,M含义是必选项,O含义是可选项,上述表中的M和O只是一个举例,实际上上述表中的信元可以是M也可以是O,本发明不限定。It should be noted that the meanings of the states in the above table are that M means a mandatory option, and O means an optional option. M and O in the above table are just an example. In fact, the cells in the above table can be M or M. is O, and the present invention is not limited.
可选地,在本发明实施例中,第一消息可以为DU配置更新消息、DU配置更新响应消息、CU配置更新消息、CU配置更新响应消息、W1接口建立请求/响应消息、承载内容设置/修改请求/响应(例如,bearer context setup/modification request/response)消息、承载内容修改要求/确认(例如,bearer context modification required/confirm)消息等消息。Optionally, in this embodiment of the present invention, the first message may be a DU configuration update message, a DU configuration update response message, a CU configuration update message, a CU configuration update response message, a W1 interface establishment request/response message, a bearer content setting/ Modification request/response (eg, bearer context setup/modification request/response) messages, bearer content modification request/confirmation (eg, bearer context modification required/confirm) messages and other messages.
可选地,在本发明的一个实施例中,如图10所示,该方法还可以包括:Optionally, in an embodiment of the present invention, as shown in FIG. 10 , the method may further include:
S220,DU向CU发送更改消息,所述更改消息包括更改后的小区禁止信息。S220, the DU sends a modification message to the CU, where the modification message includes the modified cell barring information.
当DU接收到CU发送的第一消息后,DU根据当前负载或其他信息来确定是否更改小区禁止信息,例如,DU接收到的第一消息中的小区禁止信息指示禁止终端接入核心网类型为EPC的核心网,经过DU根据各种所需的信息确定后,也要禁止终端接入核心网类型为5GC的核心网,那么DU更改小区禁止信息,并将更改后的小区禁止信息通过W1接口发送给CU。After the DU receives the first message sent by the CU, the DU determines whether to change the cell barring information according to the current load or other information. For example, the cell barring information in the first message received by the DU indicates that the type of the terminal being barred from accessing the core network is: In the core network of EPC, after DU determines according to various required information, the terminal should also be prohibited from accessing the core network whose core network type is 5GC. Then DU changes the cell prohibition information and passes the changed cell prohibition information through the W1 interface. sent to the CU.
可选地,在本发明实施例中,如图10所示,该方法还可以包括:Optionally, in this embodiment of the present invention, as shown in FIG. 10 , the method may further include:
S230,CU向DU发送确定消息。S230, the CU sends a confirmation message to the DU.
CU接收到DU发送的更改消息后,经由CU进一步确定,是否需要重新更改小区禁止信息,并向DU发送确定消息,以确定小区禁止信息。After receiving the modification message sent by the DU, the CU further determines, via the CU, whether the cell barring information needs to be changed again, and sends a confirmation message to the DU to determine the cell barring information.
小区禁止信息也可以由DU来确定,由DU确定的小区禁止信息的核心网类型指示的方法如图11所示,该方法可以包括以下步骤:The cell barring information can also be determined by the DU. The method for indicating the core network type of the cell barring information determined by the DU is shown in Figure 11. The method may include the following steps:
S310,DU向CU发送第一消息,第一消息包括小区禁止信息。S310, the DU sends a first message to the CU, where the first message includes cell barring information.
在本发明实施例中,DU可以通过现有或者新创造的方法确定小区禁止信息,在本发明实施例中对此不作限定。当DU确定了小区禁止信息后,通过W1接口向CU发送第一消息,第一消息中包含小区禁止信息,小区禁止信息用于指示禁止终端通过小区接入哪种类型的核心网。在本发明实施例中,小区禁止信息可以显式或者隐式指示禁止接入的核心网的核心网类型,显式或者隐式指示核心网类型的方式与实例12、实例13和实例14所示的方式相同,为简洁描述在此不再赘述。In this embodiment of the present invention, the DU may determine cell barring information by using an existing or newly created method, which is not limited in this embodiment of the present invention. After the DU determines the cell barring information, it sends a first message to the CU through the W1 interface. The first message includes the cell barring information, and the cell barring information is used to indicate which type of core network the terminal is barred from accessing through the cell. In this embodiment of the present invention, the cell barring information may explicitly or implicitly indicate the core network type of the core network to which access is prohibited. The method is the same, and is not repeated here for the sake of brevity.
可选地,在本发明实施例中,如图11所示,该方法还包括:Optionally, in this embodiment of the present invention, as shown in FIG. 11 , the method further includes:
S320,CU向DU发送更新消息。S320, the CU sends an update message to the DU.
具体的,当CU收到了小区禁止信息后,可以进一步决策是否需要更新小区禁止信息。比如CU接收到的小区禁止信息的核心网类型是EPC,该小区禁止信息的核心网类型是DU根据PLMN只支持5GC的情况确定的。CU接收到DU发送的小区禁止信息后,进一步确定是否对5GC也进行小区禁止。如果确定对5GC也进行小区禁止,那么CU可以更新小区禁止信息,并将更新后的小区禁止信息发送给DU。Specifically, after receiving the cell barring information, the CU can further decide whether to update the cell barring information. For example, the core network type of the cell barring information received by the CU is EPC, and the core network type of the cell barring information is determined by the DU according to the fact that the PLMN only supports 5GC. After receiving the cell barring information sent by the DU, the CU further determines whether to perform cell barring on the 5GC. If it is determined that cell barring is also performed on 5GC, the CU may update the cell barring information, and send the updated cell barring information to the DU.
可选地,在本发明的另一实施例中,当DU不发送小区禁止信息的核心网类型给CU时,CU也可以根据获取到的PLMN信息确定小区禁止信息的核心网类型,具体为CU根据PLMN信息中指示的核心网类型确定小区禁止信息的核心网的类型,例如PLMN只支持接入5GC,那么就可以确定小区禁止信息的核心网类型是EPC。Optionally, in another embodiment of the present invention, when the DU does not send the core network type of the cell prohibition information to the CU, the CU may also determine the core network type of the cell prohibition information according to the acquired PLMN information, specifically the CU. Determine the core network type of the cell barring information according to the core network type indicated in the PLMN information. For example, the PLMN only supports access to 5GC, then it can be determined that the core network type of the cell barring information is EPC.
本发明实施例还提供了一种核心网类型指示的方法,如图12所示,该方法应用于CU-DU架构下,基站切换的场景。如图12所示,该方法可以包括以下步骤:An embodiment of the present invention further provides a method for indicating a core network type. As shown in FIG. 12 , the method is applied to a scenario of base station handover under the CU-DU architecture. As shown in Figure 12, the method may include the following steps:
S410,第一网络节点向第二网络节点发送第一消息。S410, the first network node sends the first message to the second network node.
第一消息用于指示终端在第三网络节点所连接的核心网类型。The first message is used to indicate the core network type to which the terminal is connected at the third network node.
可选地,在本发明的一个实施例中,第一网络节点仅无线资源控制协议层、业务数据适配层和分组数据汇聚协议层;第二网络节点仅包含无线链路控制层、媒体接入控制层和物理层。Optionally, in an embodiment of the present invention, the first network node only includes the radio resource control protocol layer, the service data adaptation layer and the packet data convergence protocol layer; the second network node only includes the radio link control layer, the media interface into the control layer and physical layer.
可选地,在本发明的一个实施例中,第一网络节点是CU,第二网络节点是DU。Optionally, in an embodiment of the present invention, the first network node is a CU, and the second network node is a DU.
在本发明实施例中,CU和DU为目标基站的两个网络节点。第三网络节点为源基站。终端进行基站切换的场景中,当目标基站的CU接收到源基站发送的切换请求消息时,CU通过W1接口向DU发送第一消息,其中,切换请求消息中包括终端在源基站所连接的核心网类型的信息,第一消息用于指示终端在源基站所连接的核心网类型。以便于第二网络节点根据第一消息所指示的终端在第三网络节点所连接的核心网类型生成切换配置信息。In this embodiment of the present invention, the CU and the DU are two network nodes of the target base station. The third network node is the source base station. In the scenario where the terminal performs base station handover, when the CU of the target base station receives the handover request message sent by the source base station, the CU sends a first message to the DU through the W1 interface, where the handover request message includes the core that the terminal is connected to at the source base station. Network type information, the first message is used to indicate the core network type that the terminal is connected to at the source base station. In order to facilitate the second network node to generate handover configuration information according to the core network type to which the terminal indicated by the first message is connected to the third network node.
在本发明实施例中,CU向DU发送的第一消息可以显式或者隐式的指示终端在源基站所连接的核心网类型。显式指示终端在源基站所连接的核心网类型,可以具体是第一消息中包括终端在源基站所连接的核心网类型的信息。In this embodiment of the present invention, the first message sent by the CU to the DU may explicitly or implicitly indicate the core network type to which the terminal is connected at the source base station. Explicitly indicating the type of core network that the terminal is connected to at the source base station may specifically include information of the type of the core network that the terminal is connected to at the source base station in the first message.
隐式指示终端在源基站所连接的核心网类型的具体方式可以为:例如通过服务质量(quality of service,QoS)信息指示终端在源基站所支持的核心网类型。其中,不同类型的核心网使用不同的QoS信息,如示例11所示:The specific manner of implicitly indicating the core network type to which the terminal is connected at the source base station may be: for example, indicating the core network type supported by the terminal at the source base station through quality of service (quality of service, QoS) information. Among them, different types of core networks use different QoS information, as shown in Example 11:
需要说明的是,上述表中的状态的含义为,M含义是必选项,O含义是可选项,上述表中的M和O只是一个举例,实际上上述表中的信元可以是M也可以是O,本发明不限定。It should be noted that the meanings of the states in the above table are that M means a mandatory option, and O means an optional option. M and O in the above table are just an example. In fact, the cells in the above table can be M or M. is O, and the present invention is not limited.
其中,表中的E-UTRAN QoS是指目标CU连接EPC时使用的QoS;DRB信息是指目标CU连接5GC时使用的QoS。通过不同核心网类型的QoS来隐式指示终端在源基站所连接的核心网类型。The E-UTRAN QoS in the table refers to the QoS used when the target CU connects to the EPC; the DRB information refers to the QoS used when the target CU connects to the 5GC. The type of core network that the terminal is connected to at the source base station is implicitly indicated by the QoS of different core network types.
可选地,在本发明实施例中,如图12所示,在第一网络节点向第二网络节点发送第一消息之前,该方法还可以包括:Optionally, in this embodiment of the present invention, as shown in FIG. 12 , before the first network node sends the first message to the second network node, the method may further include:
S420,第一网络节点接收第二消息。S420, the first network node receives the second message.
第二消息是第三网络节点发送给第一网络节点的。可选地,在本发明实施例中,第三网络节点是源基站。第二消息包括终端在第三网络节点所连接的核心网类型的信息。The second message is sent by the third network node to the first network node. Optionally, in this embodiment of the present invention, the third network node is a source base station. The second message includes information of the core network type to which the terminal is connected at the third network node.
可选地,在本发明实施例中,如图12所示,该方法还包括:Optionally, in this embodiment of the present invention, as shown in FIG. 12 , the method further includes:
S430,第二网络节点向第一网络节点发送第三消息。S430, the second network node sends a third message to the first network node.
当第二网络节点接收到第一网络节点发送的第一消息时,第二网络节点根据第一消息所指示的终端在第三网络节点所连接的核心网类型生成切换配置信息,并将切换配置包含在第三消息中发送给第一网络节点。When the second network node receives the first message sent by the first network node, the second network node generates handover configuration information according to the core network type to which the terminal indicated by the first message is connected to the third network node, and configures the handover configuration Included in the third message and sent to the first network node.
可选地,第一网络节点是CU,第二网络节点是DU,DU接收到CU发送的第一消息后,根据第一消息中指示的终端在源基站所支持的核心网的类型生成切换配置信息,并将切换配置信息发送给CU,以便于CU接收到切换配置信息后,将切换配置信息发送给源基站,再由源基站发送给终端,进而完成终端从源基站切换到目标基站。Optionally, the first network node is a CU, and the second network node is a DU. After receiving the first message sent by the CU, the DU generates a handover configuration according to the type of the core network supported by the terminal in the source base station indicated in the first message. information, and send the handover configuration information to the CU, so that after receiving the handover configuration information, the CU sends the handover configuration information to the source base station, and then the source base station sends it to the terminal, thereby completing the terminal handover from the source base station to the target base station.
附图9至附图12描述了核心网类型指示的方法,下面结合附图13和附图14对本发明实施例提供的第一网络节点和第二网络节点进行描述。FIG. 9 to FIG. 12 describe the method for indicating the core network type, and the following describes the first network node and the second network node provided by the embodiment of the present invention with reference to FIG. 13 and FIG. 14 .
图13为本发明实施例提供的一种通信装置结构示意图。如图13所示,该通信装置包括发送单元1310。FIG. 13 is a schematic structural diagram of a communication device according to an embodiment of the present invention. As shown in FIG. 13 , the communication device includes a sending
发送单元1310,用于向第二网络节点发送第一消息,第一消息用于指示通信装置和第二网络节点所支持的核心网类型,实现了通信装置与第二网络节点的核心网类型指示通信。The sending
可选地,在本发明一个实施例中,通信装置仅包含无线链路控制层、媒体接入控制层和物理层;第二网络节点仅包含无线资源控制协议层、业务数据适配层和分组数据汇聚协议层;或者,Optionally, in an embodiment of the present invention, the communication device only includes a radio link control layer, a medium access control layer, and a physical layer; the second network node only includes a radio resource control protocol layer, a service data adaptation layer, and a packet data aggregation protocol layer; or,
通信装置仅包含无线资源控制协议层、业务数据适配层和分组数据汇聚协议层,第二网络节点仅包含无线链路控制层、媒体接入控制层和物理层。The communication device only includes the radio resource control protocol layer, the service data adaptation layer and the packet data convergence protocol layer, and the second network node only includes the radio link control layer, the medium access control layer and the physical layer.
可选地,在本发明一个实施例中,通信装置是分布式单元DU,第二网络节点是集中单元CU;或者,通信装置是CU,第二网络节点是DU。实现了CU-DU架构下,CU和DU交互的核心网类型的指示。Optionally, in an embodiment of the present invention, the communication device is a distributed unit DU, and the second network node is a centralized unit CU; or, the communication device is a CU, and the second network node is a DU. Implemented the indication of core network type for interaction between CU and DU under the CU-DU architecture.
可选地,在本发明一个实施例中,第一消息中包含核心网类型的公共陆地移动网络PLMN信息和/或追踪区域码TAC信息。Optionally, in an embodiment of the present invention, the first message includes core network type public land mobile network PLMN information and/or tracking area code TAC information.
可选地,在本发明一个实施例中,第一消息中包含核心网类型的小区禁止信息。Optionally, in an embodiment of the present invention, the first message includes cell barring information of the core network type.
可选地,在本发明一个实施例中,该通信装置还包括接收单元1320和处理单元1330;Optionally, in an embodiment of the present invention, the communication apparatus further includes a
接收单元1320,用于接收第二消息,第二消息用于确定核心网类型;a
处理单元1330,用于根据第二消息确定核心网类型。The
可选地,在本发明一个实施例中,该通信装置还可以包括存储单元,用于存储数据和指令。Optionally, in an embodiment of the present invention, the communication apparatus may further include a storage unit for storing data and instructions.
该通信装置中的各功能单元的功能,可以通过图9至图12中所示实施例中的第一网络节点所执行的各步骤来实现,因此,本发明实施例提供的通信装置的具体工作过程,在此不复赘述。The functions of each functional unit in the communication device can be implemented through the steps performed by the first network node in the embodiments shown in FIG. 9 to FIG. 12 . Therefore, the specific work of the communication device provided by the embodiments of the present invention The process will not be repeated here.
本发明实施例还提供了一种通信装置,如图14所示,该通信装置包括接收单元1410。An embodiment of the present invention further provides a communication device. As shown in FIG. 14 , the communication device includes a
接收单元1410,用于接收第一网络节点发送的第一消息,第一消息用于指示通信装置和第一网络节点所支持的核心网类型,实现了第一网络节点与通信装置的核心网类型指示通信。The receiving
可选地,在本发明一个实施例中,通信装置仅包含无线资源控制协议层、业务数据适配层和分组数据汇聚协议层,第一网络节点仅包含无线链路控制层、媒体接入控制层和物理层;或者,Optionally, in an embodiment of the present invention, the communication device only includes a radio resource control protocol layer, a service data adaptation layer, and a packet data convergence protocol layer, and the first network node only includes a radio link control layer, a media access control layer, and a layer and physical layer; or,
通信装置仅包含无线链路控制层、媒体接入控制层和物理层,第一网络节点仅包含无线资源控制协议层、业务数据适配层和分组数据汇聚协议层。The communication device only includes a radio link control layer, a medium access control layer and a physical layer, and the first network node only includes a radio resource control protocol layer, a service data adaptation layer and a packet data convergence protocol layer.
可选地,在本发明一个实施例中,第一网络节点是分布式单元DU,通信装置是集中单元CU;或者,第一网络节点是CU,通信装置是DU。实现了CU-DU架构下,CU和DU交互的核心网类型的指示。Optionally, in an embodiment of the present invention, the first network node is a distributed unit DU, and the communication device is a centralized unit CU; or, the first network node is a CU, and the communication device is a DU. Implemented the indication of core network type for interaction between CU and DU under the CU-DU architecture.
可选地,在本发明一个实施例中,第一消息中包含核心网类型的公共陆地移动网络PLMN信息和/或追踪区域码TAC信息。Optionally, in an embodiment of the present invention, the first message includes core network type public land mobile network PLMN information and/or tracking area code TAC information.
可选地,在本发明一个实施例中,第一消息中包含核心网类型的小区禁止信息。Optionally, in an embodiment of the present invention, the first message includes cell barring information of the core network type.
可选地,在本发明实施例中,该通信装置还可以包括发送单元1420,处理单元1430和存储单元1440,发送单元1420用于向第一网络节点发送数据信息,存储单元1440用于存储数据和指令,处理单元1430用于存储从第一网络节点接收到的数据信息等信息。Optionally, in this embodiment of the present invention, the communication device may further include a sending
该通信装置中的各功能单元的功能,可以通过图9至图12中所示实施例中的第二网络节点所执行的各步骤来实现,因此,本发明实施例提供的通信装置的具体工作过程,在此不复赘述。The functions of each functional unit in the communication device can be implemented through the steps performed by the second network node in the embodiments shown in FIG. 9 to FIG. 12 . Therefore, the specific work of the communication device provided by the embodiment of the present invention is The process will not be repeated here.
本发明实施例还提供了一种通信装置,如图13所示。An embodiment of the present invention further provides a communication device, as shown in FIG. 13 .
发送单元1310,用于向第二网络节点发送第一消息,第一消息用于指示终端在第三网络节点所连接的核心网类型,实现了通信装置与第二网络节点的核心网类型指示通信。The sending
可选地,在本发明一个实施例中,通信装置仅包含无线资源控制协议层、业务数据适配层和分组数据汇聚协议层;第二网络节点仅包含无线链路控制层、媒体接入控制层和物理层。Optionally, in an embodiment of the present invention, the communication device only includes a radio resource control protocol layer, a service data adaptation layer, and a packet data convergence protocol layer; the second network node only includes a radio link control layer, a media access control layer layer and physical layer.
可选地,在本发明一个实施例中,通信装置是集中单元CU,第二网络节点是分布式单元DU。实现了CU-DU架构下,CU和DU交互的核心网类型的指示。Optionally, in an embodiment of the present invention, the communication device is a centralized unit CU, and the second network node is a distributed unit DU. Implemented the indication of core network type for interaction between CU and DU under the CU-DU architecture.
可选地,在本发明一个实施例中,接收单元1320,用于接收第三网络节点发送的第二消息,第二消息包括核心网类型的信息。Optionally, in an embodiment of the present invention, the receiving
可选地,在本发明一个实施例中,所述接收单元1320,还用于接收第二网络节点发送的第三消息,第三消息包括切换配置信息,切换配置信息为第二网络节点根据终端在第三网络节点所连接的核心网类型生成。Optionally, in an embodiment of the present invention, the receiving
该通信装置中的各功能单元的功能,可以通过图9至图12中所示实施例中的第一网络节点所执行的各步骤来实现,因此,本发明实施例提供的通信装置的具体工作过程,在此不复赘述。The functions of each functional unit in the communication device can be implemented through the steps performed by the first network node in the embodiments shown in FIG. 9 to FIG. 12 . Therefore, the specific work of the communication device provided by the embodiments of the present invention The process will not be repeated here.
本发明实施例还提供了一种通信装置,如图14所示。An embodiment of the present invention further provides a communication device, as shown in FIG. 14 .
接收单元1410,用于接收第一网络节点发送的第一消息,第一消息用于指示终端在第三网络节点所连接的核心网类型,实现了第一网络节点与通信装置的核心网类型指示通信。The receiving
可选地,在本发明一个实施例中,通信装置仅包含无线链路控制层、媒体接入控制层和物理层;第一网络节点仅包含无线资源控制协议层、业务数据适配层和分组数据汇聚协议层。Optionally, in an embodiment of the present invention, the communication device only includes a radio link control layer, a medium access control layer, and a physical layer; the first network node only includes a radio resource control protocol layer, a service data adaptation layer, and a packet Data aggregation protocol layer.
可选地,在本发明一个实施例中,通信装置是分布式单元DU,第一网络节点是集中单元CU。实现了CU-DU架构下,CU和DU交互的核心网类型的指示。Optionally, in an embodiment of the present invention, the communication device is a distributed unit DU, and the first network node is a centralized unit CU. Implemented the indication of core network type for interaction between CU and DU under the CU-DU architecture.
可选地,在本发明一个实施例中,处理单元1430,用于根据终端在第三网络节点所连接的核心网类型生成切换配置信息;Optionally, in an embodiment of the present invention, the
发送单元1420,用于向第一网络节点发送第三消息,第三消息包括切换配置信息,以用于第一网络节点将切换配置信息发送给第三网络节点。The sending
该通信装置中的各功能单元的功能,可以通过图9至图12中所示实施例中的第二网络节点所执行的各步骤来实现,因此,本发明实施例提供的通信装置的具体工作过程,在此不复赘述。The functions of each functional unit in the communication device can be implemented through the steps performed by the second network node in the embodiments shown in FIG. 9 to FIG. 12 . Therefore, the specific work of the communication device provided by the embodiment of the present invention is The process will not be repeated here.
图15为本发明实施例提供的一种通信装置的结构示意图。如图15所示,该通信装置包括处理器1510,处理器用于与存储器耦合,读取并执行存储器中的指令,以实现:FIG. 15 is a schematic structural diagram of a communication apparatus according to an embodiment of the present invention. As shown in FIG. 15 , the communication device includes a
向第二网络节点发送第一消息,第一消息用于指示通信装置和第二网络节点所支持的核心网类型。A first message is sent to the second network node, where the first message is used to indicate the core network type supported by the communication device and the second network node.
可选地,在本发明一个实施例中,通信装置仅包含无线链路控制层、媒体接入控制层和物理层;第二网络节点仅包含无线资源控制协议层、业务数据适配层和分组数据汇聚协议层;或者,Optionally, in an embodiment of the present invention, the communication device only includes a radio link control layer, a medium access control layer, and a physical layer; the second network node only includes a radio resource control protocol layer, a service data adaptation layer, and a packet data aggregation protocol layer; or,
通信装置仅包含无线资源控制协议层、业务数据适配层和分组数据汇聚协议层,第二网络节点仅包含无线链路控制层、媒体接入控制层和物理层。The communication device only includes the radio resource control protocol layer, the service data adaptation layer and the packet data convergence protocol layer, and the second network node only includes the radio link control layer, the medium access control layer and the physical layer.
可选地,在本发明一个实施例中,第一消息包含核心网类型的公共陆地移动网络PLMN信息和追踪区域码TAC信息中的至少一项。Optionally, in an embodiment of the present invention, the first message includes at least one of core network type public land mobile network PLMN information and tracking area code TAC information.
可选地,在本发明一个实施例中,第一消息包含核心网类型的小区禁止信息。Optionally, in an embodiment of the present invention, the first message includes cell barring information of the core network type.
可选地,在本发明一个实施例中,处理器1510还用于读取并执行存储器中的指令,以实现:Optionally, in an embodiment of the present invention, the
接收第二消息,第二消息用于确定核心网类型;receiving a second message, where the second message is used to determine the core network type;
根据第二消息确定核心网类型。The core network type is determined according to the second message.
可选地,在本发明一个实施例中,通信装置是分布式单元DU,第二网络节点是集中单元CU;或者,通信装置是CU,第二网络节点是DU。Optionally, in an embodiment of the present invention, the communication device is a distributed unit DU, and the second network node is a centralized unit CU; or, the communication device is a CU, and the second network node is a DU.
在本发明实施例中,当通信装置是DU或者CU时,该通信装置还可以包括收发器1520,处理器1510读取存储器中的指令,以实现:控制收发器1520向CU或DU发送第一消息。In this embodiment of the present invention, when the communication device is a DU or a CU, the communication device may further include a transceiver 1520, and the
且在一实施例中,处理器1510还用于读取并执行存储器中的指令,以实现:控制收发器1520接收第二消息,处理器1510根据第二消息确定核心网类型。In one embodiment, the
可选地,在本发明一个实施例中,通信装置还包括存储器1530。Optionally, in an embodiment of the present invention, the communication apparatus further includes a memory 1530 .
其中,处理器1510、收发器1520和存储器1530通过通信总线连接。The
该通信装置中的各功能器件的功能,可以通过图9至图12中所示实施例中的第一网络节点所执行的各步骤来实现,因此,本发明实施例提供的通信装置的具体工作过程,在此不复赘述。The functions of each functional device in the communication device can be implemented through the steps performed by the first network node in the embodiments shown in FIG. 9 to FIG. 12 . Therefore, the specific work of the communication device provided by the embodiments of the present invention The process will not be repeated here.
本发明实施例还提供了一种通信装置,如图16所示,该通信装置包括处理器1610,处理器1610与存储器耦合,读取并执行存储器中的指令,以实现:An embodiment of the present invention also provides a communication device. As shown in FIG. 16 , the communication device includes a
接收第一网络节点发送的第一消息,第一消息用于指示通信装置和第一网络节点所支持的核心网类型。A first message sent by the first network node is received, where the first message is used to indicate the core network type supported by the communication apparatus and the first network node.
可选地,在本发明一个实施例中,通信装置仅包含无线资源控制协议层、业务数据适配层和分组数据汇聚协议层,第一网络节点仅包含无线链路控制层、媒体接入控制层和物理层;或者,Optionally, in an embodiment of the present invention, the communication device only includes a radio resource control protocol layer, a service data adaptation layer, and a packet data convergence protocol layer, and the first network node only includes a radio link control layer, a media access control layer, and a layer and physical layer; or,
通信装置仅包含无线链路控制层、媒体接入控制层和物理层,第一网络节点仅包含无线资源控制协议层、业务数据适配层和分组数据汇聚协议层。The communication device only includes a radio link control layer, a medium access control layer and a physical layer, and the first network node only includes a radio resource control protocol layer, a service data adaptation layer and a packet data convergence protocol layer.
可选地,在本发明一个实施例中,第一消息中包含核心网类型的公共陆地移动网络PLMN信息和追踪区域码TAC信息中的至少一项。Optionally, in an embodiment of the present invention, the first message includes at least one of core network type public land mobile network PLMN information and tracking area code TAC information.
可选地,在本发明一个实施例中,第一消息中包含核心网类型的小区禁止信息。Optionally, in an embodiment of the present invention, the first message includes cell barring information of the core network type.
可选地,在本发明一个实施例中,通信装置是分布式单元DU,第一网络节点是集中单元CU;或者,通信装置是CU,第一网络节点是DU。Optionally, in an embodiment of the present invention, the communication device is a distributed unit DU, and the first network node is a centralized unit CU; or, the communication device is a CU, and the first network node is a DU.
当通信装置为DU或者CU时,该通信装置还可以包括收发器1620;处理器1610读取并执行存储器中的指令,以实现:控制收发器1620接收第一网络节点发送的第一消息。When the communication device is a DU or a CU, the communication device may further include a transceiver 1620; the
可选地,在本发明一个实施例中,通信装置还包括存储器1630。Optionally, in an embodiment of the present invention, the communication apparatus further includes a memory 1630 .
其中,处理器1610、收发器1620和存储器1630通过通信总线连接。The
该通信装置中的各功能器件的功能,可以通过图9至图12中所示实施例中的第二网络节点所执行的各步骤来实现,因此,本发明实施例提供的通信装置的具体工作过程,在此不复赘述。The functions of each functional device in the communication apparatus can be implemented through the steps performed by the second network node in the embodiments shown in FIG. 9 to FIG. 12 . Therefore, the specific work of the communication apparatus provided by the embodiments of the present invention The process will not be repeated here.
本发明实施例还提供了一种通信装置,如图15所示。处理器1510读取并执行存储器中的指令,以实现:An embodiment of the present invention further provides a communication device, as shown in FIG. 15 . The
向第二网络节点发送第一消息,第一消息用于指示终端在第三网络节点所连接的核心网类型。Send a first message to the second network node, where the first message is used to indicate the core network type to which the terminal is connected to the third network node.
可选地,在本发明一个实施例中,通信装置仅包含无线资源控制协议层、业务数据适配层和分组数据汇聚协议层;第二网络节点仅包含无线链路控制层、媒体接入控制层和物理层。Optionally, in an embodiment of the present invention, the communication device only includes a radio resource control protocol layer, a service data adaptation layer, and a packet data convergence protocol layer; the second network node only includes a radio link control layer, a media access control layer layer and physical layer.
可选地,在本发明一个实施例中,处理器1510还用于读取并执行存储器中的指令,以实现:Optionally, in an embodiment of the present invention, the
接收第三网络节点发送的第二消息,第二消息包括核心网类型的信息。A second message sent by a third network node is received, where the second message includes core network type information.
可选地,在本发明一个实施例中,处理器1510还用于读取并执行存储器中的指令,以实现:Optionally, in an embodiment of the present invention, the
接收第二网络节点发送的第三消息,第三消息包括切换配置信息,切换配置信息为第二网络节点根据终端在第三网络节点所连接的核心网类型生成。A third message sent by the second network node is received, where the third message includes handover configuration information, and the handover configuration information is generated by the second network node according to the core network type to which the terminal is connected to the third network node.
可选地,在本发明一个实施例中,通信装置是集中单元CU,第二网络节点是分布式单元DU。Optionally, in an embodiment of the present invention, the communication device is a centralized unit CU, and the second network node is a distributed unit DU.
当通信装置是CU时,该通信装置还包括收发器1520,处理器1510读取并执行存储器中的指令,以实现:控制收发器1520向第二网络节点发送第一消息。When the communication device is a CU, the communication device further includes a transceiver 1520, and the
且在一个实施例中,处理器1510还用于读取并执行存储器中的指令,以实现:控制收发器1520接收第二网络节点发送的第三消息。And in one embodiment, the
可选地,在本发明一个实施例中,通信装置还包括存储器1530。Optionally, in an embodiment of the present invention, the communication apparatus further includes a memory 1530 .
该通信装置中的各功能器件的功能,可以通过图9至图12中所示实施例中的第一网络节点所执行的各步骤来实现,因此,本发明实施例提供的通信装置的具体工作过程,在此不复赘述。The functions of each functional device in the communication apparatus can be implemented through the steps performed by the first network node in the embodiments shown in FIG. 9 to FIG. 12 . Therefore, the specific work of the communication apparatus provided by the embodiments of the present invention The process will not be repeated here.
本发明实施例还提供了一种通信装置,如图16所示,该处理器1610读取并执行存储器中的指令,以实现:An embodiment of the present invention also provides a communication device. As shown in FIG. 16 , the
接收第一网络节点发送的第一消息,第一消息用于指示终端在第三网络节点所连接的核心网类型。A first message sent by the first network node is received, where the first message is used to indicate the core network type to which the terminal is connected at the third network node.
可选地,在本发明一个实施例中,通信装置仅包含无线链路控制层、媒体接入控制层和物理层;第一网络节点仅包含无线资源控制协议层、业务数据适配层和分组数据汇聚协议层。Optionally, in an embodiment of the present invention, the communication device only includes a radio link control layer, a medium access control layer, and a physical layer; the first network node only includes a radio resource control protocol layer, a service data adaptation layer, and a packet Data aggregation protocol layer.
可选地,在本发明一个实施例中,处理器1610还用于读取并执行存储器中的指令,以实现:Optionally, in an embodiment of the present invention, the
根据终端在第三网络节点所连接的核心网类型生成切换配置信息;generating handover configuration information according to the core network type to which the terminal is connected to the third network node;
向第一网络节点发送第三消息,第三消息包括切换配置信息,以用于第一网络节点将切换配置信息发送给第三网络节点。A third message is sent to the first network node, where the third message includes handover configuration information for the first network node to send the handover configuration information to the third network node.
可选地,在本发明一个实施例中,通信装置是分布式单元DU,第一网络节点是集中单元CU。Optionally, in an embodiment of the present invention, the communication device is a distributed unit DU, and the first network node is a centralized unit CU.
当通信装置是DU时,通信装置还可以包括收发器1620,处理器1610读取并执行存储器中的指令,以实现:控制收发器1620接收第一网络节点发送的第一消息。When the communication device is a DU, the communication device may further include a transceiver 1620, and the
且在一个实施例中,处理器1610读取并执行存储器中的指令,以实现:根据终端在第三网络节点所连接的核心网类型生成切换配置信息,并控制收发器1620向第一网络节点发送第三消息。And in one embodiment, the
可选地,在本发明一个实施例中,通信装置还包括存储器1630。Optionally, in an embodiment of the present invention, the communication apparatus further includes a memory 1630 .
该通信装置中的各功能器件的功能,可以通过图9至图12中所示实施例中的第二网络节点所执行的各步骤来实现,因此,本发明实施例提供的通信装置的具体工作过程,在此不复赘述。The functions of each functional device in the communication apparatus can be implemented through the steps performed by the second network node in the embodiments shown in FIG. 9 to FIG. 12 . Therefore, the specific work of the communication apparatus provided by the embodiments of the present invention The process will not be repeated here.
本发明实施例还提供了一种系统,该系统包括图15或图16所述的通信装置。An embodiment of the present invention further provides a system, where the system includes the communication device described in FIG. 15 or FIG. 16 .
本发明实施例还提供了一种计算机可读存储介质,计算机可读存储介质上存储有计算机程序,计算机程序被处理器执行时实现图9至图12中的方法。An embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the methods in FIG. 9 to FIG. 12 are implemented.
本发明实施例还提供了一种包含指令的计算机程序产品,当所述指令在计算机上运行时,使得计算机执行上图9至图12中的方法。Embodiments of the present invention also provide a computer program product containing instructions, which, when the instructions are run on a computer, cause the computer to execute the methods in FIGS. 9 to 12 .
应理解,在图15和图16中提供的处理器可以是中央处理单元(CentralProcessing Unit,CPU),还可以是其他通用处理器、数字信号处理器(Digital SignalProcessor,DSP)、专用集成电路(Application Specific Integrated Circuit,ASIC)、现成可编程门阵列(Field-Programmable Gate Array,FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。It should be understood that the processor provided in FIG. 15 and FIG. 16 may be a central processing unit (Central Processing Unit, CPU), and may also be other general-purpose processors, digital signal processors (Digital Signal Processors, DSP), application-specific integrated circuits (Application Specific Integrated Circuit, ASIC), off-the-shelf Programmable Gate Array (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
在上述各个本发明实施例中,可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件实现时,可以全部或部分地以计算机程序产品的形式实现。所述计算机程序产品包括一个或多个计算机指令。在计算机上加载和执行所述计算机程序指令时,全部或部分地产生按照本发明实施例所述的流程或功能。所述计算机可以是通用计算机、专用计算机、计算机网络、或者其他可编程装置。所述计算机指令可以存储在计算机可读存储介质中,或者从一个计算机可读介质向另一个计算机可读介质传输,例如,所述计算机指令可以从一个网站站点、计算机、服务器或数据中心通过有线(例如同轴电缆、光纤、数字用户线(digital subscriber line,DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。所述计算机可读存储介质可以是计算机能够存取的任何可用介质或者是包含一个或多个可用介质集成的服务器、数据中心等数据存储设备。所述可用介质可以是磁性介质(例如,软盘、硬盘、磁带)、光介质(例如,DVD)、或者半导体介质(例如,固态硬盘)等。The above embodiments of the present invention may be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented in software, it can be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, all or part of the processes or functions described in the embodiments of the present invention are generated. The computer may be a general purpose computer, special purpose computer, computer network, or other programmable device. The computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable medium to another computer-readable medium, for example, the computer instructions may be transmitted over a wire from a website site, computer, server or data center. (eg coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (eg infrared, wireless, microwave, etc.) means to another website site, computer, server or data center. The computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that includes an integration of one or more available media. The usable media may be magnetic media (eg, floppy disks, hard disks, magnetic tapes), optical media (eg, DVDs), or semiconductor media (eg, solid state drives), and the like.
以上所述,仅为本发明较佳的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,可轻易想到的变化或替换,都应涵盖在本发明的保护范围之内。因此,本发明的保护范围应该以权利要求的保护范围为准。The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Substitutions should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.
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