CN115087074A - Access network, communication method, network element, device and storage medium - Google Patents

Access network, communication method, network element, device and storage medium Download PDF

Info

Publication number
CN115087074A
CN115087074A CN202210801357.4A CN202210801357A CN115087074A CN 115087074 A CN115087074 A CN 115087074A CN 202210801357 A CN202210801357 A CN 202210801357A CN 115087074 A CN115087074 A CN 115087074A
Authority
CN
China
Prior art keywords
network element
function
base station
information
network
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202210801357.4A
Other languages
Chinese (zh)
Other versions
CN115087074B (en
Inventor
黄蓉
唐雄燕
杨剑键
王友祥
范斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China United Network Communications Group Co Ltd
Original Assignee
China United Network Communications Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China United Network Communications Group Co Ltd filed Critical China United Network Communications Group Co Ltd
Priority to CN202210801357.4A priority Critical patent/CN115087074B/en
Publication of CN115087074A publication Critical patent/CN115087074A/en
Application granted granted Critical
Publication of CN115087074B publication Critical patent/CN115087074B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/20—Selecting an access point

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephonic Communication Services (AREA)

Abstract

The application provides an access network, a communication method, a network element, a device and a storage medium, and relates to the field of communication. The access network includes: the base station function storage function network element gNB-NRF network element and one or more base station function network elements; the base station functional network element is used for realizing the base station function; the gNB-NRF network element is connected with the base station functional network element through a communication interface; identity information and function information of a base station function network element are stored in the gNB-NRF network element; the function information is used for indicating the functions of the base station function network element; a gNB-NRF network element configured to: acquiring function calling request information; the function calling request information is used for requesting to call a target function of the base station; determining a target base station function network element corresponding to the function calling request information according to the function request information and the identity information and the function information of the base station function network element stored in the gNB-NRF network element; and realizing the function of the target base station through the functional network element of the target base station. The access network is used for solving the problem of higher cost when the functions of the base station are changed.

Description

Access network, communication method, network element, device and storage medium
Technical Field
The present application relates to the field of communications, and in particular, to an access network, a communication method, a network element, an apparatus, and a storage medium.
Background
The fifth generation mobile communication technology (5G) applies Software Defined Networking (SDN) and Network Function Virtualization (NFV) technologies. Based on the SDN/NFV technology, the core network introduces the design concept of a server architecture of the Internet and provides a service architecture based on the cloud native technology.
In order to adapt to the development of 5G networks, a Radio Access Network (RAN) proposes a distributed architecture base station based on a central unit (CN)/Distributed Unit (DU). The distributed architecture base station may implement data storage, computation, and control functions by using an Application Specific Integrated Circuit (ASIC) and a Digital Signal Processor (DSP) in combination.
For example, the base station 1 may comprise one or more integrated circuit boards with ASICs and DSPs. The base station 1 can implement data storage, calculation, and control functions of the base station 1 using the integrated circuit board. When the data storage, calculation, and control functions of the base station are changed (e.g., upgraded, added, or deleted), hardware devices in the base station 1 need to be manually replaced or configured on site.
However, such deployment is costly when changing the data storage, calculation, and control functions of the base station.
Disclosure of Invention
Based on the technical problems, the application provides an access network, a communication method, network elements, a device and a storage medium, the access network can logically split a traditional base station according to a service architecture, the traditional base station is split into a plurality of base station function network elements arranged in a cloud resource pool, the base station function network elements can be directly managed through the base station function storage function network elements, the cost of base station function change is reduced, and the deployment flexibility and expandability of the base station can be improved.
In a first aspect, the present application provides an access network, including a base station function storage function network element gNB-NRF network element, and one or more base station function network elements; identity information and function information of a base station function network element are stored in the gNB-NRF network element; the function information is used for indicating the functions of the base station function network element; a gNB-NRF network element configured to: acquiring function calling request information; the function calling request information is used for requesting to call the functions of the target base station; determining a target base station function network element corresponding to the function calling request information according to the function request information and the identity information and the function information of the base station function network element stored in the gNB-NRF network element; and realizing the function of the target base station through the functional network element of the target base station. One or more base station functional network elements are used in cooperation with each other to implement base station functions such as data storage, calculation, and control.
The gNB-NRF network element and one or more base station function network elements can be arranged in a cloud resource pool.
It should be understood that the access network provided in the embodiment of the present application may logically split a conventional base station according to a serving architecture, split the conventional base station into a plurality of base station function network elements, and manage the base station function network elements through the gbb-NRF network element.
In a possible implementation manner, when the gNB-NRF network element is configured to obtain the function call request information, the following steps are specifically performed: receiving function calling request information sent by a function calling request network element; the function call request network element is any one of one or more base station function network elements. When the gNB-NRF network element is configured to implement the target function through the target base station function network element, the following steps are specifically executed: and sending the identity information of the target base station function network element to the function calling request network element so that the function calling request network element realizes the target base station function through the target base station function network element.
Optionally, the base station functional network element includes a management control type functional network element, a data storage type functional network element, a data transmission type functional network element, and an air interface base protocol functional network element.
It should be understood that the design of the conventional base station is completely designed vertically according to a protocol from a physical layer to a high layer, a plurality of functions need to be bound and uniformly deployed during network deployment, and when a network is upgraded, a certain function cannot be upgraded separately. The access network provided in the embodiment of the present application may split the base station function network element into a management control function network element, a data storage function network element, a data transmission function network element, and an air interface base protocol function network element, thereby implementing separation of data storage, transmission, and calculation functions of the base station. When the network is upgraded, the network can be upgraded independently aiming at a certain functional network element, the normal use of other functional network elements is not influenced, and the flexibility and the expandability of the base station deployment are improved.
Optionally, the management control function network element includes a radio connection management function RCMF network element and a radio session management function RSMF network element; an RCMF network element for managing a connection related to a user equipment UE; and the RSMF network element is used for transmitting the bearing information related to the user plane of the UE and managing the bearing information between the base station and the core network.
Optionally, the data storage type functional network element includes a cell data management CDM network element and a connection information data management CIDM network element; a CDM network element, which is used for storing the use condition of the cell-level resource block RB, the number of users connected with the cell in the base station and the total use amount of the bearing types; and the CIDM network element is used for storing information related to the air interface connection of the UE.
Optionally, the data transmission type functional network element includes a cell information transmission function, CITF, network element, a radio connection information transmission function, RCITF, network element, and a base station user plane function, gNB-UPF, network element; the CITF network element is used for encapsulating signaling related to an upper layer Radio Resource Control (RRC) message of a cell level and carrying RRC control information of a grouped data convergence protocol (PDCP) layer; the RCITF network element is used for encapsulating signaling related to an upper layer RRC message of a connection level and carrying RRC control information of a PDCP layer; and the gNB-UPF network element is used for encapsulating the user service flow data of the bearer level.
Optionally, the air interface base protocol function network element includes a physical layer protocol function PHYF network element, a media access control layer protocol function MACF network element, and a radio link control layer protocol function RLCF network element; the PHYF network element is used for encapsulating physical layer data; the MAC F network element is used for encapsulating MAC layer data; and the RLCF network element is used for encapsulating RLC layer data.
Optionally, the interfaces of the gNB-NRF network element and the base station function network element are all open application programming interfaces OpenAPI in a data format designed by adopting an architecture principle of presentation layer state transformation REST and using JS object notation JSON as an interface. Interfaces of the gNB-NRF network element and the base station functional network element have the same protocol architecture, which specifically comprises the following steps: an application layer: hypertext transfer protocol HTTP; a transmission layer: a transmission control protocol TCP; network layer: the Internet protocol IP; data link layer: media access control MAC, radio link control RLC, packet data convergence protocol PDCP and service data adaptation protocol SDAP.
In a second aspect, the present application provides a communication method, which is applied to a base station function storage function network element gNB-NRF network element of a base station; the gNB-NRF network element is connected with one or more base station function network elements through a communication interface; the base station functional network element is used for realizing the base station function; identity information and function information of a base station function network element are stored in the gNB-NRF network element; the function information is used for indicating the functions of the base station function network element; the method comprises the following steps: acquiring function calling request information; the function calling request information is used for requesting to call the functions of the target base station; determining a target base station function network element corresponding to the function calling request information according to the function request information and the identity information and the function information of the base station function network element stored in the gNB-NRF network element; and realizing the function of the target base station through the functional network element of the target base station.
In a third aspect, the present application provides a base station function storage function network element gNB-NRF network element; the gNB-NRF network element comprises: the device comprises a storage module, an acquisition module and a processing module. The storage module is used for storing the identity information and the function information of the base station function network element; the function information is used to indicate the function of the base station functional network element. The acquisition module is used for acquiring function calling request information; the function call request information is used for requesting to call the function of the target base station. The processing module is used for determining a target base station function network element corresponding to the function calling request information according to the function request information and the identity information and the function information of the base station function network element stored in the storage module; and realizing the function of the target base station through the functional network element of the target base station.
In a fourth aspect, the present application provides a communication device comprising: a processor and a memory; the memory stores instructions executable by the processor; the processor is configured to execute the instructions to cause the communication device to implement the method of the second aspect described above.
In a fifth aspect, the present application provides a computer program product, which, when run on a communication apparatus, causes the communication apparatus to perform the steps of the related method according to the second aspect, so as to implement the method according to the second aspect.
In a sixth aspect, the present application provides a readable storage medium having stored therein instructions that, when executed in a communication apparatus, cause the communication apparatus to implement the method of the second aspect.
The beneficial effects of the second to sixth aspects may refer to the description of the first aspect, and are not repeated.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of a split-architecture base station;
fig. 2 is a schematic architecture diagram of an access network according to an embodiment of the present application;
fig. 3 is a schematic diagram illustrating identity information and function information of a base station function network element in a gbb-NRF network element according to an embodiment of the present application;
fig. 4 is a schematic diagram of another architecture of an access network according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of an access network according to an embodiment of the present application;
fig. 6 is a flowchart illustrating a communication method according to an embodiment of the present application;
fig. 7 is a schematic composition diagram of a gNB-NRF network element according to an embodiment of the present application;
fig. 8 is a schematic structural diagram of a communication device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that in the embodiments of the present application, words such as "exemplary" or "for example" are used to mean serving as examples, illustrations or descriptions. Any embodiment or design described herein as "exemplary" or "e.g.," is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present concepts related in a concrete fashion.
For the convenience of clearly describing the technical solutions of the embodiments of the present application, in the embodiments of the present application, the terms "first", "second", and the like are used to distinguish the same items or similar items with basically the same functions and actions, and those skilled in the art can understand that the terms "first", "second", and the like do not limit the quantity and execution order.
First, technical terms related to the present application will be explained:
1. a service architecture: with the application of SDN and NFV technologies in the field of communication, the traditional core network element realizes the decoupling of software and hardware. Based on SDN/NFV technology, a Service Based Architecture (SBA) design concept is introduced into a 5G core network, and a Service Based Architecture (SBA) based on a cloud native technology, a virtualized core network, and a Network Function (NF) network element bearing a conventional network element function are greatly used in the 5G core network.
2. NFV: and the software processing of the network function is carried by using the universal hardware and the virtualization technology, so that the network operation cost is reduced. Network function virtualization can enable functions of network equipment to be independent of special hardware through software and hardware structures and function abstraction, resources can be shared fully and flexibly, rapid development and deployment of new services are achieved, and automatic deployment, elastic expansion, fault isolation, self-healing and the like are carried out based on actual service requirements. Features of NFV include: software/hardware separation, network function virtualization/software, and generalization.
3. SDN: the network virtualization implementation method separates the control plane and the data plane of the network equipment, thereby realizing flexible control of network flow and providing a good platform for innovation of a core network and application. SDN features include: control/forwarding separation, network centralized control, and network virtualization.
In order to adapt to the development of 5G networks, a radio access network proposes a separate architecture base station based on CU/DU separation.
Optionally, the CU/DU separated split-architecture base station may further include a CU-C and a CU-U separated split-architecture base station, or in the split-architecture base station, the CU may further include a Control Plane (CP) and a User Plane (UP).
Illustratively, fig. 1 is a schematic view of a scenario of a split-architecture base station. As shown in fig. 1, the scenario may include a User Equipment (UE), a split-architecture base station, a control plane (NGC-CP) of a 5G core network, a User Plane Function (UPF) network element, and a Data Network (DN).
Among them, the UPF network element is used to process events related to the user plane, such as transmitting or routing data packets, detecting data packets, reporting traffic, processing quality of service (QoS), and storing downlink data packets.
The DN may be a data network corresponding to operator services, internet access, and third party services, among others.
The NGC-CP may include the following network elements:
network open function (NEF) network element: and is responsible for opening network data to the outside.
NRF network element: the load registers and manages the NF network elements, stores the function information of each NF network element in the core network, and provides the information for discovering the NF network elements for the NF network elements.
Policy Control Function (PCF) network element: and the system is responsible for making control strategies and providing network selection and mobility management strategies for users.
Unified Data Management (UDM) network elements: and the system is responsible for storing the information data signed by the user, including user identification, user signing data, authentication data and the like.
Application Function (AF) network element: the operator-trusted application is allowed to interact directly with the various NF network elements of the core network.
Authentication server function (AUSF) network element: and matching with a UDM network element to be responsible for user authentication data processing and generating UE access authority.
Access and mobility management function (AMF) network elements: the mobile terminal is responsible for mobility and access management of the UE, and specifically comprises management of location information, security and service continuity of the mobile UE, so that the connection state of the UE and a network is optimal.
Optionally, the UE may further connect with the AMF network element through an N1 interface to implement communication interaction between the UE and the AMF network element.
Session Management Function (SMF) network elements: the session management function of the UE is responsible for creating, maintaining, and deleting sessions for the UE, and accessing a User Plane Function (UPF) network element.
The split-architecture base station may comprise DUs and CUs, and CUs may comprise a control plane CU-C and a user plane CU-U.
Specifically, the functions of the DU include: the communication interaction with the CU is realized through an F1 interface (for example, the interface shown in the figure 1 is connected with the CU-C through an F1-C interface, and is connected with the CU-U through an F1-U interface); the UE is connected to the air interface, and processes information of a Radio Link Control (RLC) layer, a Media Access Control (MAC) layer, and a Physical (PHY) layer between the base station and the UE, thereby implementing communication interaction with the UE.
Specifically, the functions of the CU may include: the communication interaction with the AMF network element is realized by connecting an N2 interface with the AMF network element of the core network; the interface is connected with the DU through an F1 interface to realize communication interaction with the DU; the communication interaction with the UE is realized by processing information of a Radio Resource Control (RRC) layer, a Service Data Adaptation Protocol (SDAP) layer, and a Packet Data Convergence Protocol (PDCP) layer between the base station and the UE over the air interface.
The distributed architecture base station may implement data storage, computation, and control functions by using an Application Specific Integrated Circuit (ASIC) and a Digital Signal Processor (DSP) in combination.
For example, the base station 1 may comprise one or more integrated circuit boards with ASICs and DSPs. The base station 1 can implement data storage, calculation, and control functions of the base station 1 using the integrated circuit board. When the data storage, calculation, and control functions of the base station are changed (e.g., upgraded, added, or deleted), the hardware devices in the base station 1 need to be manually replaced or set in the field.
However, such deployment is costly when changing the data storage, calculation, and control functions of the base station.
On the basis, the access network can logically split the traditional base station according to a service framework, the traditional base station is split into a plurality of base station functional network elements, the base station functional network elements can be directly managed through the base station functional storage functional network elements, the cost of base station function change is reduced, and the deployment flexibility and the expandability of the base station can be improved.
Exemplarily, fig. 2 is a schematic architecture diagram of an access network provided in an embodiment of the present application. As shown in fig. 2, the access network provided in this embodiment of the present application may include a base station function storage function (g node B NRF, g nb-NRF) network element and one or more base station function network elements (as shown in fig. 2, a total of 4 base station function network elements including a base station function 1 network element, a base station function 2 network element, a base station function 3 network element, and a base station function 4 network element are taken as examples). The gNB-NRF network element and the base station function network element can be connected through a communication interface.
The identity information and the function information of the base station function network element are stored in the gNB-NRF network element. The function information of the base station function network element is used for indicating the function of the base station function network element. The gNB-NRF network element is configured to implement base station functions such as data storage, calculation, and control through the base station function network element, and the specific process may refer to the following base station using method in fig. 6, which is not described herein again.
Optionally, the information related to the base station function network element may also be stored in the gbb-NRF network element. Such as communication addresses and version information of base station functional network elements.
For example, the identity information, the function information, and the like of the base station function network element stored in the gNB-NRF network element may be as shown in table 1 below.
TABLE 1
Figure BDA0003737874510000081
As shown in table 1, the table may include NF (i.e. the above-mentioned base station function network element) identity information items, NF function information items, and related information items. The NF identity information items may include network element 1, network element 2, and network element 3. The NF function information items may include function 1, function 2, function 3, and function 4. The related information items may include a communication address 1, version 1; communication address 1, version 1; communication address 2, version 2; and communication address 3, version 3. The network element 1, the function 1, the communication address 1, and the version 1 have a correspondence relationship. The network element 1, the function 2, the communication address 1, and the version 1 have a correspondence relationship. The network element 2, the function 3, the communication address 2, and the version 2 have a correspondence relationship. The network element 3, the function 4, the communication address 3, and the version 3 have a correspondence relationship.
Optionally, the gNB-NRF network element may be further configured to acquire, update, and delete the identity information and the function information of the base station function network element.
For example, the gNB-NRF network element may receive registration information sent to the gNB-NRF network element when each base station function network element is powered on for the first time, where the registration information may include identity information and function information of the base station function network element powered on for the first time, and the gNB-NRF network element may obtain and store the identity information and the function information of the base station function network element powered on for the first time in the registration information.
For another example, the gNB-NRF network element may also receive change information sent by the base station function network element, where the change information includes identity information of the base station function network element and changed function information; and the gNB-NRF network element updates the stored functional information of the base station functional network element according to the identity information of the base station functional network element in the change information and the changed functional information.
For another example, the gNB-NRF network element may further receive deregistration information sent by the base station function network element, where the deregistration information includes identity information and function information of the base station function network element; the identity information and the function information of the functional network element of the base station can be deleted by the gNB-NRF network element according to the de-registration information.
Exemplarily, fig. 3 is a schematic diagram illustrating updating of identity information and function information of a base station function network element in a gNB-NRF network element according to an embodiment of the present application. As shown in fig. 3, for example, the base station function network element includes a network element 1 and a network element 2, assuming that the network element 1 has the function 1 and the function 2, and the network element 2 has the function 3, the network element 1 may send registration information to the gNB-NRF network element, and the gNB-NRF network element may determine, according to the registration information sent by the network element 1, that the function information of the network element 1 is the function 1 and the function 2, and the communication address of the network element 1 is the communication address 1, and the version is the version 1, and store the communication address and the version. The network element 2 may send de-registration information to the gNB-NRF network element, and the gNB-NRF network element may delete the identity information, the function information, and the related information of the network element 2 stored in the gNB-NRF network element according to the de-registration information sent by the network element 2 (fig. 3 illustrates that a horizontal line in a table passes through as an example).
One or more base station functional network elements are used in cooperation with each other to implement base station functions such as data storage, calculation, and control. The functions of the base station such as data storage, calculation, and control can be described with reference to the related art, and are not described herein.
It should be understood that the access network provided in the embodiment of the present application may logically split a conventional base station according to a serving architecture, split the conventional base station into a plurality of base station function network elements, and manage the base station function network elements through the gbb-NRF network element.
Optionally, the gNB-NRF network element and the plurality of base station function network elements may communicate with each other according to a protocol architecture shown in table 2 below.
TABLE 2
Interface protocol information
RESETFUL+OPEN API+JSON
HTTP/2
TCP
IP
Data link layer
Physical layer
As shown in table 2, the interfaces of the gNB-NRF network element and the base station function network element are all Open application programming interfaces (Open APIs) designed by adopting the architectural principle of presentation layer state transformation (REST) and using JSON as a data format of the interface.
Interfaces of the gNB-NRF network element and the base station functional network element may have the same protocol architecture, and the protocol architecture specifically includes:
an application layer: hypertext transfer protocol (HTTP).
A transmission layer: transmission Control Protocol (TCP).
Network layer: internet Protocol (IP).
Data link layer: comprising the following sublayers: media Access Control (MAC), Radio Link Control (RLC), Packet Data Convergence Protocol (PDCP), and Service Data Adaptation Protocol (SDAP), etc.
Physical layer: the physical connection is provided to the data link layer using a transmission medium.
Optionally, the base station functional network element may include a management control type functional network element, a data storage type functional network element, a data transmission type functional network element, and an air interface base protocol functional network element.
Exemplarily, fig. 4 is a schematic diagram of another architecture of an access network provided in the embodiment of the present application. As shown in fig. 4, on the basis of the access network shown in fig. 2, the base station function 1 network element, the base station function 2 network element, the base station function 3 network element, and the base station function 4 network element in fig. 2 may be specifically implemented as a management control function network element, a data storage function network element, a data transmission function network element, and an air interface base protocol function network element. The UE can be connected with an air interface basic protocol function network element through a Uu interface, the management control function network element can be connected with an AMF network element of the NGC-CP through an N2 interface, and the data transmission function network element can be connected with a UPF network element through an N3 interface.
It should be understood that the design of the conventional base station is completely designed vertically according to a protocol from a physical layer to a high layer, a plurality of functions need to be bound and uniformly deployed during network deployment, and when a network is upgraded, a certain function cannot be upgraded separately. The serving infrastructure base station provided in this embodiment of the present application may split the base station function network element into a management control function network element, a data storage function network element, a data transmission function network element, and an air interface base protocol function network element, so as to implement separation of data storage, transmission, and calculation functions of the base station. When the network is upgraded, the network can be upgraded independently aiming at a certain functional network element, the normal use of other functional network elements is not influenced, and the flexibility and the expandability of the base station deployment are improved.
Optionally, the management control class network element may include: a Radio Connection Management Function (RCMF) network element, a Radio Session Management Function (RSMF) network element, and the like.
And the RCMF network element is used for realizing the management of the connection related to the UE. For example, an air interface radio RRC connection, a connection between a base station and a core network, a connection between a plurality of base stations, and the like. And the RSMF network element is used for realizing management of all bearing information related to UE user plane transmission and bearing information between the base station and the core network.
Optionally, the data storage class functional network element may include: a Cell Data Management (CDM) network element, a Connection Information Data Management (CIDM) network element, and the like.
The CDM network element is configured to store cell-level information, such as a usage (number) of cell-level Resource Blocks (RBs), a number of users connected to a cell in a base station, and a total usage amount of bearer types. And the CIDM network element is used for storing information related to the air interface connection of the UE. For example, the connection level information related to the RRC state, the next generation application protocol (NG) connection corresponding to the RRC connection, the data bearer corresponding to the RRC connection, and the like.
Optionally, the data transmission type functional network element may include: a Cell Information Transmission Function (CITF) network element, a Radio Connection Information Transmission Function (RCITF) network element, and a base station user plane function (g node B UPF, gNB-UPF) network element.
The CITF network element is configured to encapsulate signaling (e.g., System Information Block (SIB) messages) related to an upper RRC message at a cell level, and implement a function of a PDCP layer for carrying RRC control information. The RCITF network element is used for encapsulating signaling (such as RRC establishment message) related to the upper layer RRC message of the connection level and realizing the function of carrying RRC control information by the PDCP layer. And the gNB-UPF network element is used for encapsulating the user service flow data of the bearer level and realizing the functions of data encapsulation of the SDAP layer and the PDCP layer.
Optionally, the air interface base protocol function network element may include: a physical layer protocol function (PHYF) network element, a MAC layer protocol function (MACF) network element, and an RLC layer protocol function (RLC cf) network element, etc. The PHYF network element is used for encapsulating physical layer data. And the MACF network element is used for encapsulating the MAC layer data. And the RLCF network element is used for encapsulating RLC layer data.
Exemplarily, fig. 5 is a schematic diagram of another architecture of a serving architecture base station according to an embodiment of the present application. As shown in fig. 5, on the basis of the service architecture base station shown in fig. 4, the management control function network element may specifically include an RCMF network element and an RSMF network element, where the RCMF network element may be connected to the AMF network element through an N2-C interface to implement communication interaction between the RCMF network element and the AMF network element, and the RSMF network element may be connected to the AMF network element through an N2-S interface to implement communication interaction between the RSMF network element and the AMF network element. The data transmission type functional network element may specifically include a ciff network element, an RCITF network element, and a gNB-UPF network element, and the gNB-UPF network element may be connected to the UPF network element through an N3 interface, so as to implement communication interaction between the gNB-UPF network element and the UPF network element. The air interface base protocol function network element may include a PHYF network element, a MACF network element, and a PLCF network element, and the UE may be connected to the PHYF network element through a Uu interface, so as to implement communication interaction between the UE and the PHYF network element. The data storage class functional network elements may include CDM network elements and CIDM network elements.
Any one of the above gbb-NRF network element, RCMF network element, RSMF network element, CITF network element, RCITF network element, gNB-UPF network element, PHYF network element, MACF network element, PLCF network element, CDM network element, and CIDM network element may perform communication interaction with other network elements through a service interface corresponding to the any one network element. For example, the service interface corresponding to the gNB-NRF network element is Ngnb-NRF, the service interface corresponding to the RCMF network element is Nrcmf, and the service interface corresponding to the ciff network element is Ncitf.
In a possible implementation manner, the foregoing arranging the gNB-NRF network elements and the cloud resource pool of the base station function network elements may be implemented by installing virtual machine software on a hardware device of the base station or a general server.
Exemplary commonly used Virtual machine software includes VMware, VirtualBox, and Virtual PC, among others. The embodiments of the present application do not limit this.
In an exemplary embodiment, an embodiment of the present application further provides a method for using a base station, where the method may be applied to the above-mentioned gbb-NRF network element. Fig. 6 is a flowchart illustrating a method for using a base station according to an embodiment of the present application. As shown in fig. 6, the method may include S101 to S103.
S101, the gNB-NRF network element acquires function calling request information.
And the function calling request information is used for requesting to call the functions of the target base station. The target base station function may be any one or more of the above-described data storage, calculation, and control base station functions. The embodiments of the present application do not limit this.
In a possible implementation manner, the gNB-NRF network element may receive function call request information sent by the function call request network element, where the function call request network element is any one of the one or more base station function network elements.
And S102, the gNB-NRF network element determines a target base station function network element corresponding to the function calling request information according to the function request information and the identity information and the function information of the base station function network element stored in the gNB-NRF network element.
In a possible implementation manner, the gNB-NRF network element may use the target function as an index, traverse the identity information and the function information of the base station function network element stored in the gNB-NRF network element, and determine that the base station function network element corresponding to the target function is the target base station function network element corresponding to the function call request information.
And S103, the gNB-NRF network element realizes the function of the target base station through the functional network element of the target base station.
In a possible implementation manner, as described above, the gNB-NRF network element may implement obtaining the function call request information by receiving the function call request information sent by the function call request network element, where in this case, the S103 may specifically include: and the gNB-NRF network element sends the identity information of the target base station function network element to the function calling request network element so that the function calling request network element realizes the target base station function through the target base station function network element.
Optionally, the gNB-NRF network element may send the identity information of the target base station function network element to the function call request network element, and may also send related information (such as a communication address and version information) of the target base station function network element to the function call request network element.
The scheme provided by the embodiment of the application is mainly introduced from the perspective of a method. To implement the above functions, it includes hardware structures and/or software modules for performing the respective functions. Those of skill in the art will readily appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as hardware or combinations of hardware and computer software. Whether a function is performed as hardware or computer software drives hardware depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
In an exemplary embodiment, an embodiment of the present application further provides a gNB-NRF network element. Fig. 7 is a schematic composition diagram of a gbb-NRF network element according to an embodiment of the present application. As shown in fig. 7, the gNB-NRF network element may include a storage module 701, an acquisition module 702, and a processing module 703.
The storage module 701 is configured to store identity information and function information of a functional network element of a base station; the function information is used to indicate the function of the base station functional network element. An obtaining module 702, configured to obtain function call request information; the function call request information is used for requesting to call the function of the target base station. A processing module 703, configured to determine, according to the function request information and the identity information and the function information of the base station function network element stored in the storage module 701, a target base station function network element corresponding to the function call request information; and realizing the function of the target base station through the functional network element of the target base station.
It should be noted that the division of the modules in fig. 7 is schematic, and is only one logical function division, and there may be another division manner in actual implementation. For example, two or more functions may also be integrated in one processing module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode.
In an exemplary embodiment, an embodiment of the present application further provides a communication apparatus, where the communication apparatus may be a network device that carries the above-mentioned gbb-NRF network element, and fig. 8 is a schematic structural diagram of the communication apparatus provided in the embodiment of the present application. As shown in fig. 8, the communication apparatus may include: a processor 801 and a memory 802; the memory 802 stores instructions executable by the processor 801; the processor 801 is configured to execute the instructions, causing the communication device to implement the method as described in the method embodiments described above.
In an exemplary embodiment, the present application further provides a computer program product, which when run on a communication apparatus, causes the communication apparatus to execute the steps in the above related method embodiments to implement the method in the foregoing method embodiments.
In an exemplary embodiment, the present application further provides a readable storage medium, in which instructions are stored; the instructions, when executed in the communication apparatus, cause the communication apparatus to implement the method as described in the preceding embodiments. The readable storage medium may be a non-transitory readable storage medium, which may be, for example, a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.
In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented using a software program, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer-executable instructions. The processes or functions according to the embodiments of the present application are generated in whole or in part when the computer-executable instructions are loaded and executed on a computer. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer executable instructions may be stored on a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, the computer executable instructions may be transmitted from one website, computer, server, or data center to another website, computer, server, or data center via wire (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.).
While the present application has been described in connection with various embodiments, other variations to the disclosed embodiments can be understood and effected by those skilled in the art in practicing the claimed application, from a review of the drawings, the disclosure, and the appended claims. In the claims, the word "Comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. A single processor or other unit may fulfill the functions of several items recited in the claims. The mere fact that certain measures are recited in mutually different dependent claims does not indicate that a combination of these measures cannot be used to advantage.
Although the present application has been described in conjunction with specific features and embodiments thereof, it will be evident that various modifications and combinations can be made thereto without departing from the spirit and scope of the application. Accordingly, the specification and drawings are merely illustrative of the present application as defined in the appended claims and are intended to cover any and all modifications, variations, combinations, or equivalents within the scope of the application. It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
The above description is only an embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions within the technical scope of the present disclosure should be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (12)

1. An access network, characterized in that the access network comprises a base station function storage function, gNB-NRF, network element, and one or more base station function network elements; the base station function network element is used for realizing a base station function; the gNB-NRF network element is connected with the base station function network element through a communication interface; identity information and function information of the base station function network element are stored in the gNB-NRF network element; the function information is used for indicating the functions of the base station function network element;
the gNB-NRF network element configured to:
acquiring function calling request information; the function calling request information is used for requesting to call the function of the target base station;
determining a target base station function network element corresponding to the function calling request information according to the function request information and the identity information and the function information of the base station function network element stored in the gNB-NRF network element;
and realizing the target base station function through the target base station function network element.
2. The access network of claim 1, wherein when the gNB-NRF NE is configured to obtain the function invocation request message, the following steps are specifically executed:
receiving function calling request information sent by a function calling request network element; the function call request network element is any one of one or more base station function network elements;
when the gbb-NRF network element is configured to implement the target function through the target base station function network element, specifically performing the following steps:
and sending the identity information of the target base station function network element to the function calling request network element so that the function calling request network element realizes the target base station function through the target base station function network element.
3. The access network of claim 1, wherein the base station function network elements comprise a management control function network element, a data storage function network element, a data transmission function network element, and an air interface base protocol function network element.
4. The access network of claim 3, wherein the management control class function network elements comprise a Radio Connection Management Function (RCMF) network element and a Radio Session Management Function (RSMF) network element;
the RCMF network element is used for managing the connection related to the UE;
the RSMF network element is configured to transmit bearer information related to a user plane of the UE, and manage the bearer information between the access network and the core network.
5. The access network of claim 3, wherein the data storage class function network elements comprise Cell Data Management (CDM) network elements and Connection Information Data Management (CIDM) network elements;
the CDM network element is used for storing the use condition of a cell-level resource block RB, the number of users connected with a cell and the total use amount of the bearer types;
and the CIDM network element is used for storing information related to the air interface connection of the UE.
6. The access network of claim 3, wherein the data transmission class function network elements comprise a Cell Information Transfer Function (CITF) network element, a Radio Connection Information Transfer Function (RCITF) network element, and a base station user plane function (gNB-UPF) network element;
the CITF network element is used for encapsulating signaling related to an upper layer Radio Resource Control (RRC) message of a cell level and realizing the function of a Packet Data Convergence Protocol (PDCP) layer for bearing the RRC control information;
the RCITF network element is used for encapsulating signaling related to an upper RRC message of a connection level and realizing the function of the PDCP layer for bearing RRC control information;
and the gNB-UPF network element is used for encapsulating user service flow data of a bearer level and realizing the functions of data encapsulation of a service data adaptation protocol SDAP layer and the PDCP layer.
7. The access network of claim 3, wherein the air interface base protocol function network elements include a physical layer protocol function (PHYF) network element, a media access control layer protocol function (MACF) network element, and a radio link control layer protocol function (RLCF) network element;
the PHYF network element is used for encapsulating physical layer data;
the MACF network element is used for encapsulating MAC layer data;
the RLCF network element is used for encapsulating RLC layer data.
8. The access network of claim 1, wherein the interfaces of the gNB-NRF network element and the base station function network element are Open application programming interfaces (Open) API of a data format designed by adopting an architecture principle of presentation layer state transformation (REST) and taking JS object notation (JSON) as an interface;
the interfaces of the gbb-NRF network element and the base station functional network element have the same protocol architecture, which specifically includes:
an application layer: hypertext transfer protocol HTTP;
a transmission layer: a transmission control protocol TCP;
network layer: the Internet protocol IP;
data link layer: media access control MAC, radio link control RLC, packet data convergence protocol PDCP and service data adaptation protocol SDAP.
9. A communication method is applied to a base station function storage function gNB-NRF network element of an access network; the gNB-NRF network element is connected with one or more base station function network elements through a communication interface; the base station function network element is used for realizing a base station function; identity information and function information of a base station function network element are stored in the gNB-NRF network element; the function information is used for indicating the functions of the base station function network element;
the method comprises the following steps:
acquiring function calling request information; the function calling request information is used for requesting to call the function of the target base station;
determining a target base station function network element corresponding to the function calling request information according to the function request information and the identity information and the function information of the base station function network element stored in the gNB-NRF network element;
and realizing the target base station function through the target base station function network element.
10. A base station function storage function network element, gbb-NRF, network element, comprising: the device comprises a storage module, an acquisition module and a processing module;
the storage module is used for storing the identity information and the function information of the base station function network element; the function information is used for indicating the functions of the base station function network element;
the acquisition module is used for acquiring function calling request information; the function calling request information is used for requesting to call the function of the target base station;
the processing module is configured to determine, according to the function request information and the identity information and the function information of the base station function network element stored in the storage module, a target base station function network element corresponding to the function call request information; and realizing the target base station function through the target base station function network element.
11. A communication apparatus, characterized in that the communication apparatus comprises: a processor and a memory;
the memory stores instructions executable by the processor;
the processor is configured to, when executing the instructions, cause the communication device to implement the method of claim 9.
12. A readable storage medium having stored therein instructions that, when executed in a communication apparatus, cause the communication apparatus to implement the method of claim 9.
CN202210801357.4A 2022-07-08 2022-07-08 Access network, communication method, network element, device and storage medium Active CN115087074B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210801357.4A CN115087074B (en) 2022-07-08 2022-07-08 Access network, communication method, network element, device and storage medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210801357.4A CN115087074B (en) 2022-07-08 2022-07-08 Access network, communication method, network element, device and storage medium

Publications (2)

Publication Number Publication Date
CN115087074A true CN115087074A (en) 2022-09-20
CN115087074B CN115087074B (en) 2023-05-30

Family

ID=83258231

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210801357.4A Active CN115087074B (en) 2022-07-08 2022-07-08 Access network, communication method, network element, device and storage medium

Country Status (1)

Country Link
CN (1) CN115087074B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110062396A (en) * 2018-01-18 2019-07-26 华为技术有限公司 A kind of method and device configuring base station
CN110366276A (en) * 2019-07-03 2019-10-22 中国联合网络通信集团有限公司 Serviceization framework base station
WO2021093763A1 (en) * 2019-11-11 2021-05-20 华为技术有限公司 Data caching method and apparatus
CN114401507A (en) * 2022-01-17 2022-04-26 中国联合网络通信集团有限公司 Data transmission method, device and storage medium

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110062396A (en) * 2018-01-18 2019-07-26 华为技术有限公司 A kind of method and device configuring base station
CN110366276A (en) * 2019-07-03 2019-10-22 中国联合网络通信集团有限公司 Serviceization framework base station
WO2021093763A1 (en) * 2019-11-11 2021-05-20 华为技术有限公司 Data caching method and apparatus
CN114401507A (en) * 2022-01-17 2022-04-26 中国联合网络通信集团有限公司 Data transmission method, device and storage medium

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
李青;: "5G组网方案研究", 电信科学 *

Also Published As

Publication number Publication date
CN115087074B (en) 2023-05-30

Similar Documents

Publication Publication Date Title
CN110167051B (en) Communication method and communication equipment under centralized unit-distributed unit architecture
US11917498B2 (en) Communication method and communications apparatus
US12022381B2 (en) Method and device for managing identifier of UE in edge computing service
CN108833181B (en) NG-CN network slice system and network slice selection method
US11258822B2 (en) Network function service discovery method and device
CN112449315B (en) Network slice management method and related device
CN114615154B (en) Method and device for managing service quality and communication system
EP3443766A1 (en) Roaming support for next generation slice architecture
CN110366276B (en) Service architecture base station
JP2020532180A (en) Session handling method and related devices
CN111901135A (en) Data analysis method and device
CN113596191A (en) Data processing method, network element equipment and readable storage medium
CN111083690B (en) Method and device for reporting user plane functional entity information
CN113132897A (en) Method, device and system for determining application example
CN110324152B (en) Method, device and system for acquiring policy and charging control rule
CN110830538A (en) Message transmission method, device and storage medium
CN112262613B (en) Method and apparatus for operating a network gateway service in a service-based telecommunications system
CN112566164A (en) Communication system and service quality control method
CN114189844A (en) Terminal cross-region communication method, network element equipment and storage medium
WO2021227600A1 (en) Network slice control method and communication apparatus
CN113965938B (en) Slice service system and slice service processing method
CN113993147B (en) Information processing method, network element, storage medium, and program product
CN115087074B (en) Access network, communication method, network element, device and storage medium
CN112449377B (en) Network data reporting method and device
CN112543511A (en) Method, device, apparatus and medium for providing and discovering moving edge calculation

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant