Method for determining cell information, communication network element and storage medium

Abstract

The invention relates to a method for determining cell information, which is applied to a radio resource management function, and comprises the following steps: receiving first information sent by a target distributed access node; determining first cell information corresponding to the first distributed access node according to the first information; wherein the target distributed access node comprises the first distributed access node and / or other distributed access nodes, and the first information comprises at least one of the following information: identification information, geographical location information, deployment mode information and wireless capability information.

Description

Technical Field

[0001] The present application relates to the field of communication technology, and in particular to a method for determining cell information, a communication network element, and a storage medium. Background Art

[0002] In current fifth-generation communication technology (5G) systems, cell information for 5G base stations (gNBs) is pre-planned and configured by operations, maintenance, and management (OAM). However, this OAM pre-configuration is highly dependent on the user, making it impossible for the gNB to detect cell configuration defects caused by improper planning or network management errors before serving terminals. Summary of the Invention

[0003] Based on this, it is necessary to provide a method for determining cell information, a communication network element and a storage medium that can flexibly configure cells in order to address the above technical issues.

[0004] In a first aspect, the present application provides a method for determining cell information, which is applied to a radio resource management function, and the method includes:

[0005] receiving first information sent by a target distributed access node;

[0006] Determining, according to the first information, first cell information corresponding to the first distributed access node;

[0007] The target distributed access node includes the first distributed access node and / or other distributed access nodes, and the first information includes at least one of the following information:

[0008] Identification information, geographic location information, deployment method information, and wireless capability information.

[0009] In one embodiment, the first cell information corresponding to the first distributed access node includes at least one of the following:

[0010] Physical cell identification, cell global identification, and neighboring cell information.

[0011] In one embodiment, the wireless capability information includes at least one of the following:

[0012] Supported wireless access technologies, supported frequency information, and supported antenna information.

[0013] In one embodiment, the method further comprises:

[0014] Based on the first information, a first access network control function is determined.

[0015] In one of the embodiments, the first cell information corresponding to the first distributed access node includes the cell global identifier;

[0016] The determining, according to the first information, first cell information corresponding to the first distributed access node includes:

[0017] determining a first access network control function based on the first information;

[0018] The cell global identifier is determined according to at least one network identifier and an access network identifier sent by the first access network control function.

[0019] In one embodiment, after determining the first access network control function based on the first information, the method further includes:

[0020] An association relationship between the identifier of the first distributed access node and the identifier of the first access network control function is saved.

[0021] In one embodiment, the first cell information corresponding to the first distributed access node includes the physical cell identifier, and determining the first cell information corresponding to the first distributed access node according to the first information includes:

[0022] filtering an initial physical cell identifier list based on the first information to obtain a filtered physical cell identifier list;

[0023] The physical cell identifier is specified from the filtered physical cell identifier list.

[0024] In one embodiment, the first cell information corresponding to the first distributed access node includes the neighboring cell information, and the first information includes at least one of the following information of the target distributed access node:

[0025] Geographic location information, and / or supported frequency information.

[0026] In one embodiment, the method further comprises:

[0027] sending first cell information corresponding to the first distributed access node to the first distributed access node;

[0028] and / or,

[0029] The geographic location information corresponding to the first distributed access node is sent to the first access network control function.

[0030] In one embodiment, the first information includes update information and a first cell identifier corresponding to the update information;

[0031] The update information includes: the updated geographic location information and / or the updated wireless capability information, and the first cell identifier includes a physical cell identifier and / or a cell global identifier.

[0032] In one embodiment, the first information includes: cell information corresponding to a second distributed access node, and the second distributed access node has a neighboring cell relationship with the first distributed access node.

[0033] In one embodiment, after sending the first cell information corresponding to the first distributed access node to the first distributed access node, the method further includes:

[0034] receiving second information sent by the first network function or the maintenance operation management, where the second information includes: a second cell identifier corresponding to a cell having a resource configuration problem, and a cause of the resource configuration problem;

[0035] When determining the distributed access node corresponding to the second cell identifier, second cell information is determined according to the second information.

[0036] In one embodiment, the method further comprises:

[0037] The second cell information is sent to a distributed access node corresponding to the second cell identifier.

[0038] In one embodiment, determining the first access network control function based on the first information includes:

[0039] The first access network control function is determined based on the first information and a state of the access network control function.

[0040] In one embodiment, the method further comprises:

[0041] The identifier of the third cell affected by the reconfigured access network control function is sent to the first access network control function.

[0042] In a second aspect, the present application also provides a method for determining cell information, which is applied to a first access network control function, including:

[0043] receiving geographic location information corresponding to a first distributed access node sent by a radio resource management function, where the first access network control function serves the first distributed access node;

[0044] Update the tracking area list according to the geographical location information corresponding to the first distributed access node.

[0045] In one embodiment, after updating the tracking area list according to the geographic location information corresponding to the first distributed access node, the method further includes:

[0046] The updated tracking area list is sent to the second network function in the core network.

[0047] In one of the embodiments, the second network function includes an access and mobility management function and / or a network function registration function.

[0048] In one embodiment, the method further comprises:

[0049] The updated network identifier is sent in a broadcast or multicast manner, so that the distributed access nodes receiving the updated network identifier update the cell global identifier based on the updated network identifier.

[0050] In a third aspect, the present application further provides a method for determining cell information, which is applied to a first distributed access node, including:

[0051] receiving first cell information corresponding to the first distributed access node sent by a radio resource management function,

[0052] The first cell information is determined based on first information sent by a target distributed access node, where the target distributed access node includes the first distributed access node and / or other distributed access nodes. The first information includes at least one of the following information:

[0053] Identification information, geographic location information, deployment method information, and wireless capability information.

[0054] In one embodiment, the first cell information corresponding to the first distributed access node includes at least one of the following information:

[0055] Physical cell identification, cell global identification, and neighboring cell information.

[0056] In one embodiment, the wireless capability information includes at least one of the following:

[0057] Supported wireless access technologies, supported frequency information, and supported antenna information.

[0058] In one embodiment, after receiving the cell information corresponding to the first distributed access node sent by the radio resource management function, the method further includes:

[0059] receiving an updated network identifier broadcast or multicast by the first access network control function;

[0060] The cell global identifier is updated based on the updated network identifier.

[0061] In one embodiment, after receiving the cell information corresponding to the first distributed access node sent by the radio resource management function, the method further includes:

[0062] receiving second cell information sent by the radio resource management function;

[0063] The second information includes: a second cell identifier corresponding to the cell having the resource configuration problem and a reason for the resource configuration problem. The first distributed access node corresponds to the second cell identifier.

[0064] In one embodiment, after receiving the cell information corresponding to the first distributed access node sent by the radio resource management function, the method further includes:

[0065] Receive a third cell identifier that is affected by the reconfiguration of the access network control function and is sent by the radio resource management function.

[0066] In a fourth aspect, the present application further provides a communication network element, which is a radio resource management function, including a memory, a transceiver, and a processor:

[0067] A memory for storing a computer program; a transceiver for transmitting and receiving data under the control of a processor; and a processor for reading the computer program in the memory and performing the following operations:

[0068] receiving first information sent by a target distributed access node;

[0069] Determine first cell information corresponding to the first distributed access node according to the first information.

[0070] The target distributed access node includes the first distributed access node and / or other distributed access nodes, and the first information includes at least one of the following information:

[0071] Identification information, geographic location information, deployment method information, and wireless capability information.

[0072] In a fifth aspect, the present application further provides a communication network element, which is a first access network control function, including: a memory, a transceiver, and a processor:

[0073] The memory is used to store a computer program; the transceiver is used to send and receive data under the control of the processor; and the processor is used to read the computer program in the memory and perform the following operations:

[0074] receiving geographic location information corresponding to a first distributed access node sent by a radio resource management function, where the first access network control function serves the first distributed access node;

[0075] Update the tracking area list according to the geographical location information corresponding to the first distributed access node.

[0076] In a sixth aspect, the present application further provides a communication network element, which is a first distributed access node and includes: a memory, a transceiver, and a processor;

[0077] The memory is used to store a computer program; the transceiver is used to send and receive data under the control of the processor; and the processor is used to read the computer program in the memory and perform the following operations:

[0078] receiving first cell information corresponding to the first distributed access node sent by a radio resource management function, where the first cell information is determined based on first information sent by a target distributed access node, where the target distributed access node includes the first distributed access node and / or other distributed access nodes, and the first information includes at least one of the following information:

[0079] Identification information, geographic location information, deployment method information, and wireless capability information.

[0080] In a seventh aspect, the present application further provides a communication network element, which is a radio resource management function, including:

[0081] A receiving module, configured to receive first information sent by a target distributed access node;

[0082] a determining module, configured to determine first cell information corresponding to the first distributed access node based on the first information;

[0083] The target distributed access node includes the first distributed access node and / or other distributed access nodes, and the first information includes at least one of the following information:

[0084] Identification information, geographic location information, deployment method information, and wireless capability information.

[0085] In an eighth aspect, the present application further provides a communication network element, which is a first access network control function and is characterized by including:

[0086] A receiving module, configured to receive geographic location information corresponding to a first distributed access node sent by a radio resource management function, wherein the first access network control function serves the first distributed access node;

[0087] An updating module is configured to update a tracking area list according to geographic location information corresponding to the first distributed access node.

[0088] In a ninth aspect, the present application further provides a communication network element, which is a first distributed access node, including:

[0089] a receiving module, configured to receive first cell information corresponding to the first distributed access node sent by a radio resource management function, where the first cell information is determined based on first information sent by a target distributed access node, where the target distributed access node includes the first distributed access node and / or other distributed access nodes, and the first information includes at least one of the following information:

[0090] Identification information, geographic location information, deployment method information, and wireless capability information.

[0091] In the tenth aspect, the present application also provides a computer-readable storage medium on which a computer program is stored. When the computer program is executed by a processor, it implements the method described in the tenth aspect or any embodiment thereof.

[0092] In the eleventh aspect, the present application further provides a computer program product, which includes a computer program, and when the computer program is executed by a processor, it implements the method described in the eleventh aspect or any embodiment thereof.

[0093] The above-mentioned method for determining cell information, communication network element, storage medium, and computer program product, because the wireless resource management function can receive first information sent by the target distributed access node; and based on the first information, determine the first cell information corresponding to the first distributed access node; wherein the target distributed access node includes the first distributed access node and / or other distributed access nodes, and the first information includes at least one of the following information: identification information, geographic location information, deployment method information, and wireless capability information. Through this solution, because the wireless resource management function can determine the corresponding first cell information for the first distributed access node based on the first information, there is no need for OAM to pre-plan cell information, so that cell configuration defects caused by unreasonable planning or network management errors can be discovered before the service terminal. BRIEF DESCRIPTION OF THE DRAWINGS

[0094] Figure 1 A schematic diagram of an NG-RAN architecture Figure 1 ;

[0095] Figure 2 A schematic diagram of an NG-RAN architecture Figure 2 ;

[0096] Figure 3 A schematic diagram of a TNL address discovery process for an Xn interface;

[0097] Figure 4A schematic diagram of a neighbor relationship maintenance;

[0098] Figure 5 A flowchart of an automatic neighbor relationship establishment process;

[0099] Figure 6 A schematic diagram of the first level of RAN service-oriented services;

[0100] Figure 7 A schematic diagram of a second-level RAN service-oriented approach;

[0101] Figure 8 A schematic diagram of a RAN service-based architecture;

[0102] Figure 9 A flow chart of a method for determining cell information Figure 1 ;

[0103] Figure 10 A flow chart of a method for determining cell information Figure 2 ;

[0104] Figure 11 A flow chart of a method for determining cell information Figure 3 ;

[0105] Figure 12 A flow chart of a method for determining cell information Figure 4 ;

[0106] Figure 13 A flow chart of a method for determining cell information Figure 5 ;

[0107] Figure 14 A flow chart of a method for determining cell information Figure 6 ;

[0108] Figure 15 A flow chart of a method for determining cell information Figure 7 ;

[0109] Figure 16 It is a structural diagram of a communication network element;

[0110] Figure 17 A structural block diagram of a radio resource management function;

[0111] Figure 18 is a structural block diagram of a first access network control function;

[0112] Figure 19 This is a structural block diagram of a first distributed access node. DETAILED DESCRIPTION

[0113] In order to make the purpose, technical solutions and advantages of this application more clear, the following further describes this application in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this application and are not intended to limit this application.

[0114] In embodiments of the present invention, the term "and / or" describes the association relationship between associated objects, indicating that three possible relationships exist. For example, "A and / or B" can represent three situations: A exists alone, A and B exist simultaneously, and B exists alone. The character " / " generally indicates that the associated objects are in an "or" relationship.

[0115] In the fifth generation communication technology (5G) system, exemplary, Figure 1 A schematic diagram of an NG-RAN architecture Figure 1 .exist Figure 1 In 5G, a Next Generation Radio Access Network (NG-RAN) node can be a gNB supporting New Radio (NR) or a next-generation evolved base station (ng-eNB) supporting Evolved Universal Terrestrial Radio Access (E-UTRA). This NG-RAN node connects to the Access and Mobility Management Function (AMF) or User Plane Function (UPF) of the 5G Core Network (5GC) via a Next Generation (NG) interface, performing control and user plane operations, respectively. These base stations are interconnected via the Xn interface.

[0116] In the NG-RAN architecture, gNB can support different structures, which can be either an integrated structure or a two-separated structure consisting of a centralized unit (CU) and one or more distributed units (DU) (i.e., CU-DU architecture). For example, Figure 2 The following is a schematic diagram of an NG-RAN architecture. Figure 2In this NG-RAN architecture, the gNB can adopt a CU-DU architecture. The CU is responsible for radio resource and connection management and control, while the DU is generally responsible for baseband physical layer functions and Layer 2 (the second layer in the communication protocol stack) functions with higher real-time requirements. The CU and DU are connected via the F1 interface, which is used for data exchange and communication between the CU and DU to ensure the normal operation of the entire system. A gNB-DU is connected to only one gNB-CU, while a gNB-CU can connect to multiple gNB-DUs. gNBs can also be connected to each other via the Xn-C interface.

[0117] The 5G system inherits the Self-Organizing Networks (SON) concept of the 4G network and supports some autonomous optimization functions of the wireless network, mainly including self-configuration and self-optimization functions.

[0118] The self-configuration function may include but is not limited to: dynamic configuration of the next generation cell (NG-C) interface, dynamic configuration of the Xn interface, and automatic neighbor cell relation (ANR).

[0119] The self-optimization functions may include, but are not limited to, mobility load balancing, mobility robustness optimization, random access channel (RACH) optimization, coverage capability optimization, and physical cell identifier (PCI) optimization.

[0120] Base station self-start and dynamic interface configuration

[0121] The new base station uses the manufacturer's self-configuration software. After power-on, it will perform a self-test and automatically obtain the Internet Protocol (IP) address. It will establish a channel with the OAM to download updated software and configuration files. Then, based on the configuration file, it will obtain the IP addresses of the remote AMF and other NG-RAN nodes, establish a point-to-point Stream Control Transmission Protocol (SCTP) connection, and complete the configuration of the NG-C interface and the Xn interface. If the base station knows the RAN node identifier of the neighboring cell to be connected, but there is no available point-to-point connection, then according to the Xn interface TNL address discovery process, the connectable IP address of the target RAN node can be obtained through the AMF. Figure 3 As shown in FIG, a schematic diagram of the address discovery process of the Transport Network Layer (TNL) of the Xn interface. Figure 3As shown, the process may include the following steps:

[0122] 301. The new base station sends an uplink radio access network configuration transfer (UPLINK RAN CONFIGURATION TRANSFER) to the AMF.

[0123] Assuming that the access network identifier (RAN ID) of the new base station is 1, the uplink radio access network configuration transfer may carry the source RAN ID 1 and the destination RAN ID x.

[0124] 302. The AMF sends a downlink radio access network configuration transfer (DOWNLINK RANCONFIGURATION TRANSFER) to the target base station.

[0125] The AMF may determine the target base station with RAN ID=x as the destination base station and send a downlink radio access network configuration transfer to it.

[0126] 303. The target base station sends an uplink radio access network configuration transfer (UPLINK RAN CONFIGURATION TRANSFER) to the AMF.

[0127] The uplink radio access network configuration transfer may carry a TNL address.

[0128] 304. The AMF sends a DOWNLINK RAN CONFIGURATION TRANSFER message to the new base station.

[0129] The downlink radio access network configuration transfer carries a TNL address.

[0130] 305. The new base station and the target base station establish an Xn interface based on the TNL address.

[0131] Based on the above process from step 301 to step 305, the configuration of the Xn interface can be completed.

[0132] Automatic neighbor relationship function

[0133] For example, Figure 4 As shown in Figure 1, it is a schematic diagram of maintaining neighboring relationships. Figure 4As shown in the figure, the Automatic Neighbor Relations Function (ANR Function) is located in the gNB. The Neighbor Cell Relation Table Management Function (NCRT Management Function) in ANRFunction can automatically perform configuration management such as adding, updating, and deleting neighbor cell relations by collecting measurement reports reported by terminals, and update neighbor cell relations (NCRT update ) Maintain the Neighbor Cell Relation Table (NCRT).

[0134] Among them, NCRT Management Function can increase neighbor relations (NCR) by receiving information sent by NeighbourDetection Function. add ), the information sent by Neighbour DetectionFunction can be obtained by interacting with RRC; NCRT Management Function can also delete the neighbor relationship by receiving the information sent by Neighbour Removal Function (NCRT Management Function). remove The NCRT Management Function can also add and update neighbor relationships through interaction with OAM, which manages and maintains the NCRT. When the Xn interface between gNBs is established, gNBs can exchange neighbor relationship information.

[0135] For example, Figure 5 The figure shows a flow chart of the process of establishing an automatic neighbor relationship. Figure 5 The establishment process shown may include the following steps 501 to 505:

[0136] 501. The base station sends a measurement reporting request to the terminal.

[0137] The base station may initiate a measurement reporting request to the terminal for the system or for an inter-system.

[0138] 502. The terminal reports the PCI of the searched cell.

[0139] 503. The base station instructs the terminal to measure the global cell identity (CGI) of the cell.

[0140] 504. The terminal reports CGI.

[0141] 505. The base station automatically updates the neighbor relationship table.

[0142] If the base station determines that the cell indicated by the PCI is a new neighboring cell, it can instruct the terminal to measure and report the CGI of the cell, and then update the neighboring cell relationship table according to the received CGI of the cell.

[0143] PCI Optimization

[0144] The physical cell identifier (PCI) of a wireless network access unit is configured through OAM. The PCIs of adjacent co-frequency cells or neighboring cells of the same cell must meet certain constraints. Otherwise, the terminal will receive two or more cells using the same PCI, resulting in PCI conflicts or confusion. Current PCI optimization methods include:

[0145] Integrated base station:

[0146] Centralized PCI assignment: OAM assigns a PCI to each NR cell of the gNB, and the gNB selects this value as the PCI of the NR cell;

[0147] Distributed PCI Assignment: OAM assigns a PCI list to each NR cell of the gNB, and the gNB selects a PCI value from the list. The gNB can restrict the PCI list by removing PCIs reported by the UE, PCIs reported by neighboring gNBs via the Xn interface, and / or PCIs obtained through other methods (e.g., through downlink over-the-air receive probing).

[0148] CU-DU base station: OAM configures the PCI for each NR cell of the gNB-DU.

[0149] Centralized PCI assignment: When the gNB-CU detects a PCI conflict in an NR cell, it reports it directly to the OAM, which then reallocates the PCI to the cell.

[0150] Distributed PCI assignment: OAM assigns a PCI list to each NR cell and sends it to the gNB-CU. If the gNB-CU detects a PCI conflict, it reselects a PCI value from the pre-configured list and sends it to the gNB-DU through the F1 establishment process or the gNB-CU configuration update process.

[0151] RAN Service-Oriented

[0152] 5G systems have introduced a core network based on a service-based architecture (SBA), but the radio access network still uses a traditional layered structure. To better support the scenario requirements of 6G networks, RAN service-based technology will become a key component in achieving an efficient, resilient, and open network ecosystem. The China IMT-2030 Promotion Group lists service-based architecture, cloud-native network virtualization, and microservices architecture as key enabling factors for a 6G-oriented end-to-end programmable control plane and user plane network element architecture. This will enhance the agility and flexibility of the network structure and provide innovative communication services for consumers.

[0153] China Mobile's "6G Service-oriented RAN White Paper" describes two levels of possible RAN service-oriented development, such as Figure 6 and Figure 7 As shown. At this time, both NG interface and F1 interface will adopt a common service interface. Figure 6 This is a schematic diagram of the first level of RAN service-oriented development. Figure 7 This is a schematic diagram of a second-level RAN service. Figure 6 It can be seen that the first level of RAN service-oriented is mainly the service-oriented control plane interface. Figure 7 It can be seen from the above that the second level of RAN service-oriented is mainly the service-oriented RAN control plane. Figure 6 and Figure 7 The NRF involved in this is the Network Function Repository, and the PCF is the Policy Control Function.

[0154] UDM stands for Unified Data Management, and AF stands for Application Function.

[0155] , AMF stands for Access and Mobility Management Function, SMF stands for Session Management Function, and SCP stands for Service Control Point

[0156] , UE stands for User Equipment, DU stands for Distributed Unit, CU-CP stands for Centralized Unit - Control Plane, UPF stands for User Plane Function, DN stands for Data Network, and CPS stands for Control Plane and User Plane Separation.

[0157] In 5G systems, cell information for 5G base stations (gNBs) is pre-planned and configured by the Operation Administration and Maintenance (OAM) system. Based on this configuration, the gNB establishes fixed point-to-point connections with the Access and Mobility Management Function (AMF) in the core network and with other gNBs. During subsequent network operation, neighbor relationship maintenance and physical cell identifier (PCI) optimization are performed based on terminal measurement reports. However, this technology relies heavily on OAM pre-configuration, making it difficult to detect cell configuration flaws (e.g., missing neighbor relationships, PCI conflicts, etc.) caused by improper planning or network management errors before they reach the terminal. Furthermore, the fixed port connections and terminal-dependent self-optimization significantly limit the adaptability and flexibility of the cell configuration to network topology changes.

[0158] With service-oriented interfaces or the adoption of a service-oriented architecture by the RAN, traditional point-to-point fixed connections are replaced by service-based interfaces, and distributed units (DUs) and different centralized units (CUs) can access each other. Therefore, providing an adaptive cell configuration management method that meets robustness and flexibility requirements for network operation and maintenance is a question that needs to be considered. This application proposes a method for determining cell information that can adaptively manage cell configuration within the RAN service-oriented architecture.

[0159] The method for determining cell information provided in this application can be based on Figure 8 The RAN service-oriented architecture shown in the figure is implemented. Figure 8 A schematic diagram of a RAN service-oriented architecture.

[0160] exist Figure 8The architecture shown includes: a centrally deployed Radio Network Resource Management Function (C-RNRF), multiple distributed access nodes (AN-DUs), and multiple access network control functions (AN-CFs). The C-RNRF can exchange data with the OAM, and multiple AN-DUs and multiple AN-CFs can interact with other network functions (NFs) through service-based interfaces. The multiple AN-DUs can be Figure 8 AN1-DU1, AN1-DU2, AN1-DU3, AN2-DU1, AN2-DU2 in the above multiple AN-CFs can be Figure 8 AN1-CF, AN2-CF in.

[0161] In this application, the C-RNRF can select the AN-CF and configure the cell information of the AN-DU (such as the cell global identifier, PCI, and neighboring cell relationship) based on one or more of the AN-DU's geographic location information, deployment information (such as whether it is deployed on the ground or deployed on a satellite), wireless capability information, and OAM network management policies. During network operation, the AN-DU or the network can trigger a cell configuration update due to changes in the AN-DU's capabilities, network topology, and other reasons. Among them, the C-RNRF can be deployed in the radio access network (RAN) or the core network (CN), or in a service-oriented network after the integration of access network and core network functions. Each AN-CF entity can serve an independent wireless subnet or a slice of a wireless network and has a unique radio access identifier (AN ID) in the entire network. The wireless capability information includes one or more of the supported radio access technologies (RATs), frequencies, frequency bands, and antenna conditions.

[0162] In one embodiment, for example, Figure 9 As shown, Figure 9 A flow chart of a method for determining cell information Figure 1 The method may include but is not limited to the following steps:

[0163] 901. A radio resource management function receives first information sent by a target distributed access node.

[0164] It should be noted that the radio resource management function in the embodiments of the present disclosure may refer to the C-RNRF in the existing architecture, or may refer to other network elements in the future network architecture for implementing the radio resource management function. The above-mentioned distributed access node may refer to the AN-DU in the existing architecture, or may refer to other network elements in the future network architecture for implementing functions similar to the AN-DU.

[0165] The target distributed access node includes the first distributed access node and / or other distributed access nodes.

[0166] The aforementioned other distributed access nodes may be any distributed access nodes other than the first distributed access node.

[0167] The first information includes at least one of the following:

[0168] Identification information, geographic location information, deployment method information, and wireless capability information.

[0169] In some embodiments, the identification information may include, but is not limited to, one or more of the following identifications: an identification of a distributed access node, cell identification information, a network identification (PLMN ID), and an access network identification (AN ID).

[0170] The cell identification information may include but is not limited to: PCI and / or cell global identification.

[0171] In some embodiments, the above deployment mode information may include but is not limited to: deployment on the ground, and / or deployment on a satellite.

[0172] In some embodiments, the wireless capability information may include but is not limited to at least one of the following:

[0173] Supported radio access technologies (RATs), supported frequency information, and supported antenna information.

[0174] In some embodiments, the above-mentioned supported frequency point information may include but is not limited to: supported frequency points and / or frequency bands.

[0175] In some embodiments, the above-mentioned supported RAT may include but is not limited to: LTE (Long Term Evolution), 5G, 6G, etc.

[0176] In some embodiments, the above-mentioned supported antenna information may include but is not limited to at least one of the following: antenna type, antenna gain, antenna impedance characteristics, antenna operating frequency range, antenna polarization mode, and antenna impedance.

[0177] 902. The radio resource management function determines first cell information corresponding to the first distributed access node based on the first information.

[0178] The first cell information corresponding to the first distributed access node includes at least one of the following:

[0179] Physical cell identification, cell global identification, and neighboring cell information.

[0180] In the present application, when the first information is different, the determined first cell information will also be different.

[0181] It should be noted that the above-mentioned wireless resource management function determines the first cell information corresponding to the first distributed access node based on the first information, which may refer to the wireless resource management function determining the initial cell information for the first distributed access node, or it may refer to the wireless resource management function reconfiguring the updated cell information for the first distributed access node.

[0182] After determining the first cell information, the radio resource management function may send the first cell information to the first distributed access node.

[0183] The radio resource management function sends the first cell information to the first distributed access node, so that the first distributed access node can learn the first cell information configured for itself.

[0184] In the above method for determining cell information, the radio resource management function can receive the first information sent by the target distributed access node and, based on the first information, determine the first cell information corresponding to the first distributed access node and transmit it to the first distributed access node. This solution eliminates the need for OAM to pre-plan cell information, as the radio resource management function can determine the first cell information corresponding to the first distributed access node based on the first information. This allows cell configuration defects caused by improper planning or network management errors to be discovered before the service terminal is served.

[0185] In some embodiments, the radio resource management function may determine the first cell information corresponding to the first distributed access node based on the first information and the network planning policy of the OAM.

[0186] In some embodiments, the radio resource management function may determine the first access network control function based on the first information.

[0187] The radio resource management function may select the access network control function of the service based on one or more of geographical location information, deployment information, and radio capability information.

[0188] It should be noted that the access network control function in the embodiment of the present disclosure (such as the first access network control function mentioned above) may refer to the AN-CF in the existing architecture, or may be other network elements used to implement the access network control function in the future network architecture.

[0189] In some embodiments, the radio resource management function may determine the first access network control function based on the first information and a status of the access network control function.

[0190] In some embodiments, the state of the access network control function may refer to the state of one or more access network control functions that can be known by the wireless resource management function, and the state of the access network control function may include the state of the first access network control function.

[0191] In some embodiments, the status of the one or more access network control functions may refer to a load balancing status of these access network control functions, or may refer to an operating status of these access network control functions, such as whether a fault occurs.

[0192] In some embodiments, the first cell information corresponding to the first distributed access node includes the cell global identifier; the cell global identifier can be determined according to at least one network identifier and access network identifier sent by the first access network control function.

[0193] The determining of the first access network control function based on the first information is equivalent to establishing an association relationship between the identifier of the first distributed access node and the identifier of the first access network control function.

[0194] In some embodiments, after the first access network control function is determined based on the first information, an association relationship between the identifier of the first distributed access node and the identifier of the first access network control function may also be saved.

[0195] In some embodiments, after determining the first access network control function based on the first information, the first access network control function can be notified of the association relationship between the identifier of the above-mentioned first distributed access node and the identifier of the first access network control function, so that the first access network control function saves the association relationship between the identifier of the above-mentioned distributed access node and the identifier of the first access network control function.

[0196] In an embodiment of the present application, after the association relationship between the identifier of the first distributed access node and the identifier of the first access network control function is saved, the association relationship can be used as a reference in the subsequent process of updating cell information to determine the first access network control function associated with the first distributed access node.

[0197] In some embodiments, the first cell information corresponding to the first distributed access node includes the cell global identifier, and the above method for determining the cell information may include: the wireless resource management function receives the first information sent by the target distributed access node; based on the first information, determines the first access network control function; receives at least one network identifier and access network identifier sent by the first access network control function; and determines the cell global identifier based on at least one network identifier and access network identifier.

[0198] In some embodiments, the first cell information corresponding to the first distributed access node includes a physical cell identifier. The above method for determining the cell information may include: a wireless resource management function receives the first information sent by the target distributed access node; based on the first information, an initial physical cell identifier list is filtered to obtain a filtered physical cell identifier list; and a physical cell identifier is specified from the filtered physical cell identifier list.

[0199] In some embodiments, the first cell information corresponding to the first distributed access node includes neighboring cell information, and the first information includes at least one of the following information of the first distributed access node and / or other distributed access nodes: geographic location information, and / or supported frequency information.

[0200] The other distributed access nodes may be any distributed access nodes other than the first distributed access node.

[0201] In some embodiments, after determining the first cell information, the first cell information corresponding to the first distributed access node may be sent to the first distributed access node;

[0202] In some embodiments, after the radio resource management function obtains the geographic location information corresponding to the first distributed access node, the geographic location information corresponding to the first distributed access node may be sent to the first access network control function. After receiving the geographic location information corresponding to the first distributed access node sent by the radio resource management function, the first access network control function may update the tracking area list based on the geographic location information corresponding to the first distributed access node. The first access network control function serves the first distributed access node.

[0203] In some embodiments, after updating the tracking area list according to the geographic location information corresponding to the first distributed access node, the updated tracking area list may be sent to the second network function in the core network.

[0204] Exemplarily, the second network function may include but is not limited to an access and mobility management function and / or a network function registration function.

[0205] It should be noted that the access and mobility management function in the embodiments of the present disclosure may refer to the AMF in the existing network architecture, or other network elements used to implement the access and mobility management function in the future network architecture. The network function registration function may refer to the NRF in the existing network architecture, or other network elements used for the network function registration function in the future network architecture.

[0206] In an exemplary embodiment, for the scenario where AN-DU is powered on and cell information is configured, such as Figure 10 As shown, a flow chart of a method for determining cell information is provided. Figure 2 The method may include but is not limited to the following steps:

[0207] 1001. AN-DU sends a first request message to C-RNRF.

[0208] Exemplarily, the first request message may be a registration request message, a configuration request message, or the like.

[0209] The first request message may carry an AN-DU identifier, and one or more of its own geographical location information, deployment mode information, and wireless capability information.

[0210] After the AN-DU is powered on, the AN-DU has completed the startup configuration of software and hardware, and the C-RNRF address is known through pre-configuration or network discovery, one or more AN-CFs are in use in the network, and the serving PLMN identity is known.

[0211] 1002. The C-RNRF selects a serving AN-CF.

[0212] Among them, the C-RNRF can select the serving AN-CF based on one or more of the geographic location information, deployment information, and wireless capability information sent by the AN-DU, and establish an association relationship between the AN-DU identifier and the AN-CF identifier.

[0213] In some embodiments, if the C-RNRF also receives one or more (first information) of geographic location information, deployment information, and wireless capability information sent by other AN-DUs, it can also combine the AN-DU that sends the above-mentioned first request message and the first information sent by other AN-DUs to select the AN-CF serving the AN-DU that sends the above-mentioned first request message, and determine the cell information.

[0214] 1003. The C-RNRF establishes a connection with the selected AN-CF and obtains the PLMN ID and AN ID that it can serve.

[0215] In some embodiments, the C-RNRF may also inform the AN-CF of the location information of the newly added AN-DU. If the AN-CF finds that the maintained TA list has changed based on the AN-DU location information, it may update the TA information with the NF of the core network (such as AMF, NRF).

[0216] 1004. The C-RNRF may determine cell information for the AN-DU based on one or more of geographic location information, deployment information, and wireless capability information, as well as an OAM network planning policy.

[0217] The above-mentioned determination of cell information for the AN-DU may include but is not limited to the following contents a, b, and c:

[0218] a. Determine a physical cell identifier (PCI): specify a PCI from a filtered PCI list, wherein the filtered PCI list may be a PCI list obtained by filtering an initial physical cell identifier list based on the first information.

[0219] b. Determine the cell global identifier: Filter the list of logical cells available for allocation based on the PLMN ID and AN ID, and specify one or more cell identifiers (Cell IDs) from the list. If there are multiple sets of PLMN and AN identifiers, one or more Cell IDs can be specified based on the policy to determine the cell global identifier. The cell global identifier is the association between the PLMN ID, AN ID, and Cell ID.

[0220] c. Determine neighboring cell information (neighboring cell relationships): Refer to the geographic location information and frequency information of each AN-DU, screen out candidate neighboring cells, and generate a neighboring cell identifier list.

[0221] In some embodiments, if the AN-CF finds that the maintained TA list has changed based on the AN-DU location information, it can update the TA information with the NF of the core network (such as AMF, NRF).

[0222] 1005. The C-RNRF sends a response message to the first request message to the AN-DU.

[0223] The response message carries all identification information and neighboring cell information. For example, the identification information may include PCI, cell identification, cell global identification, PLMN ID, and AN ID. For example, the neighboring cell information may include: neighboring cell identification, frequency list, and the like.

[0224] 1006. The AN-DU sends a configuration completion message to the C-RNRF.

[0225] After the AN-DU successfully establishes communication with the AN-CF, it can send a configuration completion message to the C-RNRF, and then the AN-DU starts working.

[0226] In some embodiments, after the AN-DU successfully establishes communication with the AN-CF and the AN-DU also successfully establishes communication with the neighboring cell indicated in the neighboring cell information, the above-mentioned configuration completion message may be sent to the C-RNRF.

[0227] The above embodiment provides a method for determining cell information for the scenario where an AN-DU is powered on and configured. The radio resource management function can determine the cell information corresponding to the AN-DU based on the first information sent by the AN-DU (one or more of geographic location information, deployment information, and wireless capability information) and transmit it to the AN-DU. This solution allows for the timely determination of the corresponding cell information for the AN-DU upon power-up, eliminating the need for OAM to pre-plan cell information. This allows for the detection of cell configuration defects caused by improper planning or network management errors before the service terminal is reached.

[0228] The method for determining cell information provided in the present application can be applied not only to the scenario of determining cell information for the AN-DU for the first time after the AN-DU is powered on, but also to the scenario of updating cell information for the AN-DU again.

[0229] In some embodiments, the first information includes update information and a first cell identifier corresponding to the update information; the update information includes: updated geographic location information and / or updated wireless capability information, and the first cell identifier includes a physical cell identifier and / or a cell global identifier.

[0230] In some embodiments, since the capabilities of the AN-DU may change during network operation, the AN-DU may trigger an update of the cell information, which may be applicable to the following scenarios:

[0231] (1) The update of cell information is triggered by one or more reasons such as changes in wireless capabilities such as working frequency and frequency band caused by AN-DU hardware problems and software adjustments.

[0232] (2) Changes in AN-DU wireless capabilities due to frequency coordination, legal and regulatory adjustments, etc. trigger updates to cell information.

[0233] (3) Changes in the deployment location due to migration or movement of the AN-DU deployment location trigger the update of cell information.

[0234] In an exemplary embodiment, Figure 11 As shown, a flow chart of a method for determining cell information is provided. Figure 3 The method may include but is not limited to the following steps:

[0235] 1101. AN-DU sends a second request message to C-RNRF.

[0236] The second request message may include a configuration update request message or a reallocation message.

[0237] The second request message may carry updated location information, wireless capability information (such as frequency, frequency band), and the cell identifier (PCI, cell global identifier) ​​corresponding to the updated information (updated location information, wireless capability information).

[0238] 1102. The C-RNRF reallocates a cell identifier for the AN-DU and re-determines neighboring cell information for the AN-DU.

[0239] The reallocated cell identifier may include: PCI and / or cell global identifier.

[0240] The C-RNRF can determine whether a cell identity needs to be reallocated for the AN-DU based on the updated location information, wireless capability information (such as frequency and band), and the corresponding cell identity (PCI, cell global identity). If reallocation is required, the PCI and / or cell global identity will be reallocated to the cell.

[0241] C-RNRF can also re-determine neighboring cell information based on updated location information, wireless capability information (such as frequency, frequency band) and corresponding cell identifier (PCI, cell global identifier).

[0242] 1103. The C-RNRF sends a response message to the second request message to the AN-DU.

[0243] The response message carries the reallocated cell identifier and the re-determined neighboring cell information.

[0244] 1104. AN-DU sends a configuration completion confirmation message.

[0245] The AN-DU may use the reallocated cell identity and the re-determined neighbor cell information to perform subsequent actions.

[0246] In the above embodiment, a method for determining cell information is provided for the situation where the capabilities of the AN-DU may change during network operation, and the AN-DU triggers the update of cell information. The method can re-determine the cell information for the AN-DU based on the updated location information, wireless capability information, and the cell identifier corresponding to the updated information. Therefore, when the capabilities of the AN-DU itself change, its cell information can be updated in a timely manner, and cell configuration can be flexibly performed.

[0247] In some embodiments, the first information includes: cell information corresponding to the second distributed access node, and the second distributed access node has a neighboring cell relationship with the first distributed access node.

[0248] In some embodiments, when AN-DU1 is running, if configuration changes occur in other distributed access nodes, the C-RNRF can trigger an update of the cell information of AN-DU1. This is applicable to the following scenarios:

[0249] (A) The scenario where the cell information of neighboring cells changes and the cell information of AN-DU1 needs to be updated.

[0250] (B) Newly added distributed access nodes can establish neighbor relationships as neighbor cells, and the cell information of AN-DU1 needs to be updated.

[0251] In an exemplary embodiment, Figure 12As shown, a flow chart of a method for determining cell information is provided. Figure 4 The method may include but is not limited to the following steps:

[0252] 1201. AN-DU1 completes the configuration process of cell information.

[0253] It should be noted that the above AN-DU1 completes the configuration process of the cell information, similar to the above Figure 10 The figure shows the configuration process of AN-DU determining cell information.

[0254] 1202. AN-DU1 subscribes to the C-RNRF for events related to neighboring cell information changes.

[0255] After AN-DU1 subscribes to the C-RNRF for events related to neighboring cell information changes, when C-RNRF determines that the neighboring cell information of AN-DU1 has changed, it can notify AN-DU1 or update the cell information of AN-DU1.

[0256] 1203. AN-DU2 completes the configuration process of the cell information.

[0257] In some embodiments, AN-DU2 may be an access node newly joined to the network and has completed the configuration of cell information.

[0258] In some embodiments, after AN-DU2 completes the configuration of the cell information, it may update the cell information (eg, PCI, frequency) through a reconfiguration process due to the update of the wireless capability information.

[0259] In some embodiments, after AN-DU2 completes the configuration of the cell information, it may update the cell information through the configuration process due to reasons such as location change.

[0260] In some embodiments, after AN-DU2 completes configuration of cell information, it may update the cell information (eg, cell identity) through a reconfiguration process due to a change in AN-CF.

[0261] 1204. The C-RNRF checks and updates the neighboring cell information according to the cell information of the AN-DU2.

[0262] The C-RNRF checks whether the neighboring cell information needs to be updated based on the cell information of AN-DU2 (which may be updated cell information). If it is found that the cell information of AN-DU2 has been updated, the neighboring cell information of AN-DU1 can be updated.

[0263] 1205. The C-RNRF sends a configuration update message to the AN-DU1.

[0264] The C-RNRF sends a configuration update message to the AN-DU1 whose neighboring cell information has changed, carrying the cell identifier of the affected AN-DU2 and the new neighboring cell information (such as frequency).

[0265] 1206. AN-DU1 sends a configuration completion message to C-RNRF.

[0266] AN-DU1 sends a configuration completion message to confirm that the configuration is successful and applies the newly configured cell information.

[0267] In the above embodiment, a method for determining cell information is provided for the situation where, during the operation of AN-DU1, the cell information of AN-DU1 can be updated by C-RNRF triggered by configuration changes of other distributed access nodes. This method can update the neighboring cell information of AN-DU1 and the cell information of AN-DU1 based on the cell information of AN-DU2, thereby taking into account changes in the cell information of AN-DU2 with a neighboring cell relationship and flexibly determining the cell information of AN-DU1.

[0268] In some embodiments, in the method for determining cell information provided in the embodiments of the present application, the first access network control function may send an updated network identifier via broadcast or multicast, so that the receiving distributed access node updates the cell global identifier based on the updated network identifier.

[0269] Correspondingly, the first distributed access node in the embodiment of the present application can receive the updated network identifier broadcast or multicast by the first access network control function after receiving the cell information corresponding to the first distributed access node sent by the wireless resource management function, and update the cell global identifier based on the updated network identifier.

[0270] In some embodiments, during the operation of the AN-DU, the AN-CF may trigger a configuration update of the cell information due to a change in the core network configuration, wherein the change in the core network configuration may be a change in the PLMN identifier.

[0271] In an exemplary embodiment, Figure 13 As shown, a flow chart of a method for determining cell information is provided. Figure 5 The method may include but is not limited to the following steps:

[0272] 1301. The AN-CF knows that the PLMN identity has changed.

[0273] The core network configuration change may be a PLMN identity change, that is, accessing a new PLMN.

[0274] 1302. The AN-CF sends a configuration update message via broadcast or multicast.

[0275] The above configuration update message is used to notify all AN-DUs served by it of the core network configuration change.

[0276] In some embodiments, the configuration update message carries an AN-CF identifier and a new PLMN identifier.

[0277] Figure 13 FIG3 shows that the AN-CF sends a configuration update message to AN-DU1 and AN-DU2 in a broadcast or multicast manner. In practice, the configuration update message may also be sent to all AN-DUs served by the AN-CF.

[0278] 1303. The AN-DU updates the cell global identity based on the new PLMN identity and sends a configuration completion message.

[0279] Figure 13 FIG. 4 shows that AN-DU1 and AN-DU2 update the cell global identity based on the new PLMN identity and send a configuration completion message.

[0280] AN-DU1 and AN-DU2 send a configuration completion message to confirm that the configuration is successful. After that, AN-DU1 and AN-DU2 can work according to the updated cell information.

[0281] In some embodiments, one or more of the AN-CF, AN-DU1, and AN-DU2 may notify the C-RNRF of the update of the cell global identity.

[0282] In the above embodiment, a method for determining cell information is provided for the situation where, during the operation of the AN-DU, the configuration update of the cell information may be triggered by the AN-CF due to changes in information such as the PLMN identifier configured in the core network. In this method, the AN-CF triggers AN-DU1 and AN-DU2 to update the cell global identifier based on the new PLMN identifier, so that when the core network configuration changes, its cell information can be updated in a timely manner, thereby achieving flexible cell configuration.

[0283] In some embodiments, the radio resource management function sends first cell information corresponding to the first distributed access node to the first distributed access node, and the radio resource management function may receive second information sent by the first network function or the maintenance operation management.

[0284] The second information includes: a second cell identifier corresponding to the cell having the resource configuration problem, and a reason why the resource configuration problem occurs.

[0285] The reasons for the resource configuration problem may include, but are not limited to, one or more of: PCI conflict, PCI confusion, network topology change, and network operation policy change.

[0286] In some embodiments, when determining that the second cell identifier corresponds to the first distributed access node, the radio resource management function may determine the second cell information based on the second information.

[0287] In some embodiments, after the second cell information is determined, the second cell information may also be sent to a distributed access node corresponding to the second cell identifier.

[0288] In some embodiments, during the operation of AN-DU, the configuration update of cell information is triggered by OAM or other NF. It is applicable to the following scenarios:

[0289] (a) OAM adjusts wireless network resource configuration due to changes in network topology and network operation strategies.

[0290] (b) OAM or other NFs identify network resource configuration issues based on network operation data analysis, such as PCI conflicts or confusion.

[0291] In an exemplary embodiment, Figure 14 As shown, a flow chart of a method for determining cell information is provided. Figure 6 The method may include but is not limited to the following steps:

[0292] 1401. Other NFs or OAMs send a third request message to the C-RNRF.

[0293] Exemplarily, the third request message may include one of the following messages:

[0294] Configuration update request message, reallocation request message, error handling message.

[0295] The third request message may carry all cell identifiers and causes (such as PCI conflict) of resource configuration problems.

[0296] The other NFs mentioned above can be any NF in the core network or access network.

[0297] In some embodiments, after identifying the PCI conflict, other NFs or OAMs may send a third request message to the C-RNRF.

[0298] 1402. The C-RNRF determines AN-DU1 based on all cell identities with resource configuration problems, and determines to reallocate PCI for AN-DU1 and update neighboring cell information for AN-DU2.

[0299] 1403. The C-RNRF sends a configuration update message to the AN-DU1.

[0300] The configuration update message carries the new PCI determined for AN-DU1.

[0301] 1404. The C-RNRF sends a configuration update message to the AN-DU2 that has a neighboring cell relationship with the cell corresponding to the new PCI.

[0302] The configuration update message carries the new PCI determined for AN-DU1, so that AN-DU2 updates the neighboring cell information.

[0303] 1405. AN-DU1 sends a configuration completion message to C-RNRF.

[0304] Among them, AN-DU1 can perform subsequent work based on the cell information after the PCI is updated.

[0305] 1406. AN-DU2 sends a configuration completion message to C-RNRF.

[0306] Among them, AN-DU1 can perform subsequent work based on the cell information after the neighboring cell information is updated.

[0307] 1407. The C-RNRF sends a response message to the third request message to the NF or OAM.

[0308] The response message is used to notify the NF or OAM that the AN-DUs corresponding to all cell identities with resource configuration problems have updated the cell information.

[0309] In the above embodiment, a method for determining cell information is provided for the situation where there is a problem with network resource configuration and the configuration update of cell information is triggered by OAM or other NF. In this method, OAM or other NF triggers C-RNRF to update the cell information of AN-DU1 and AN-DU2, so that when there is a problem with network resource configuration, the cell information can be updated in a timely manner, thereby achieving flexible cell configuration.

[0310] In some embodiments, the access network control function may be reallocated due to a change in the state of the access network control function.

[0311] In some embodiments, due to a state change of the access network control function, the access network control function is reallocated, which may mean that due to load balancing between the access network control functions, the access network control function needs to be reallocated to the distributed access nodes.

[0312] In some embodiments, the access network control function may be reallocated due to a change in the state of the access network control function, which may mean that the access network control function needs to be reallocated to the distributed access nodes due to a failure of the access network control function.

[0313] In some embodiments, the radio resource management function determines the first access network control function based on the first information, including: determining the first access network control function based on the first information and a state of the access network control function.

[0314] In some embodiments, the radio resource management function may further send, to the first access network control function, an identifier of a third cell affected by the reconfiguration of the access network control function. Accordingly, after the first access network control function receives the cell information corresponding to the first distributed access node from the radio resource management function, it may further receive the identifier of the third cell affected by the reconfiguration of the access network control function from the radio resource management function.

[0315] The third cell identifier includes identifiers of one or more cells.

[0316] In some embodiments, during the operation of the AN-DU, the network triggers a configuration update of the cell information due to a change in the AN-CF. This applies to the following scenarios:

[0317] (c) Load balancing of AN-CFs caused by terminal service conditions and reallocation of AN-CFs.

[0318] (d) AN-CF fails and AN-CF is reallocated.

[0319] In an exemplary embodiment, Figure 15 As shown, a flow chart of a method for determining cell information is provided. Figure 7 The method may include but is not limited to the following steps:

[0320] 1501. C-RNRF reallocates AN-CF.

[0321] The C-RNRF reallocation of the AN-CF may be to switch the source AN1-CF to the destination AN2-CF.

[0322] 1502. The C-RNRF sends a notification message to the source AN1-CF.

[0323] The notification message carries one or more cell identifiers reconfigured for the affected cells.

[0324] In this application, the C-RNRF may reconfigure cell identities for the affected cells and update neighboring cell relations.

[0325] 1503. The C-RNRF obtains the PLMN ID and AN ID from the target AN2-CF.

[0326] 1504. The C-RNRF sends a configuration update message to AN-DU1 where the affected cell is located.

[0327] The configuration update message includes cell information updated for the AN-DU according to the PLMN ID and the AN ID.

[0328] 1505. AN-DU1 completes the migration of terminal services, establishment and disconnection of communication connections with the source AN1-CF and the destination AN-2CF.

[0329] 1506. AN-DU1 sends a configuration completion message to C-RNRF.

[0330] AN-DU1 sends a configuration completion message to confirm that the configuration is successful. AN-DU1 can perform subsequent work based on the updated cell information.

[0331] In the above embodiment, a method for determining cell information is provided for the situation where the configuration update of cell information is triggered by the network due to the change of AN-CF during the operation of AN-DU. In this method, C-RNRF updates the cell information to AN-DU1 where one or more affected cells are located, so that the cell information can be updated in time when AN-CF changes, thereby realizing flexible cell configuration.

[0332] It should be understood that, although the various steps in the flowcharts involved in the various embodiments described above are displayed in sequence according to the instructions of the arrows, these steps are not necessarily executed in sequence in the order indicated by the arrows. Unless otherwise specified herein, there is no strict order restriction on the execution of these steps, and these steps can be executed in other orders. Moreover, at least a portion of the steps in the flowcharts involved in the various embodiments described above can include multiple steps or multiple stages, and these steps or stages are not necessarily executed and completed at the same time, but can be executed at different times, and the execution order of these steps or stages is not necessarily to be carried out in sequence, but can be executed in turn or alternately with other steps or at least a portion of steps or stages in other steps.

[0333] Based on the same technical concept, an embodiment of the present application further provides a communication network element, which can implement one or more functions of the radio resource management function, the first access network control function, and the first distributed access node in the aforementioned embodiment.

[0334] For example, Figure 16 The structure diagram of a communication network element provided in an embodiment is as follows. The communication network element includes: a memory 1601, a transceiver 1602, and a processor 1603, wherein the memory 1601, the transceiver 1602, and the processor 1603 are connected via a bus interface.

[0335] The memory 1601 is used to store computer programs; the transceiver 1602 is used to send and receive data under the control of the processor 1603.

[0336] For the case where the communication network element is a radio resource management function: the processor 1603 is configured to read the computer program in the memory 1601 and perform the following operations:

[0337] receiving first information sent by a target distributed access node;

[0338] Determining, according to the first information, first cell information corresponding to the first distributed access node;

[0339] The target distributed access node includes the first distributed access node and / or other distributed access nodes, and the first information includes at least one of the following information:

[0340] Identification information, geographic location information, deployment method information, and wireless capability information.

[0341] In one embodiment, the first cell information corresponding to the first distributed access node includes at least one of the following:

[0342] Physical cell identification, cell global identification, and neighboring cell information.

[0343] In one embodiment, the wireless capability information includes at least one of the following:

[0344] Supported wireless access technologies, supported frequency information, and supported antenna information.

[0345] In one embodiment, the processor 1603 is further configured to read the computer program in the memory 1601 and perform the following operations:

[0346] Based on the first information, a first access network control function is determined.

[0347] In one of the embodiments, the first cell information corresponding to the first distributed access node includes the cell global identifier;

[0348] In one embodiment, the processor 1603 is further configured to read the computer program in the memory 1601 and perform the following operations:

[0349] determining a first access network control function based on the first information;

[0350] The cell global identifier is determined according to at least one network identifier and an access network identifier sent by the first access network control function.

[0351] In one embodiment, the processor 1603 is further configured to read the computer program in the memory 1601 and perform the following operations:

[0352] After determining the first access network control function based on the first information, an association relationship between the identifier of the first distributed access node and the identifier of the first access network control function is saved.

[0353] In one embodiment, the first cell information corresponding to the first distributed access node includes the physical cell identifier, and the processor 1603 is further configured to read the computer program in the memory 1601 and perform the following operations:

[0354] filtering an initial physical cell identifier list based on the first information to obtain a filtered physical cell identifier list;

[0355] The physical cell identifier is specified from the filtered physical cell identifier list.

[0356] In one embodiment, the first cell information corresponding to the first distributed access node includes the neighboring cell information, and the first information includes at least one of the following information of the target distributed access node:

[0357] Geographic location information, and / or supported frequency information.

[0358] In one embodiment, the processor 1603 is further configured to read the computer program in the memory 1601 and perform the following operations:

[0359] sending first cell information corresponding to the first distributed access node to the first distributed access node;

[0360] and / or,

[0361] The geographic location information corresponding to the first distributed access node is sent to the first access network control function.

[0362] In one embodiment, the first information includes update information and a first cell identifier corresponding to the update information;

[0363] The update information includes: the updated geographic location information and / or the updated wireless capability information, and the first cell identifier includes a physical cell identifier and / or a cell global identifier.

[0364] In one embodiment, the first information includes: cell information corresponding to a second distributed access node, and the second distributed access node has a neighboring cell relationship with the first distributed access node.

[0365] In one embodiment, the processor 1603 is further configured to read the computer program in the memory 1601 and perform the following operations:

[0366] After sending the first cell information corresponding to the first distributed access node to the first distributed access node, receiving second information sent by the first network function or maintenance operation management, the second information including: a second cell identifier corresponding to a cell having a resource configuration problem and a cause of the resource configuration problem; and when determining the distributed access node corresponding to the second cell identifier, determining the second cell information based on the second information.

[0367] In one embodiment, the processor 1603 is further configured to read the computer program in the memory 1601 and perform the following operations: sending the second cell information to a distributed access node corresponding to the second cell identifier.

[0368] In one embodiment, the processor 1603 is further configured to read the computer program in the memory 1601 and perform the following operations: determining the first access network control function based on the first information and the state of the access network control function.

[0369] In one embodiment, the processor 1603 is further configured to read the computer program in the memory 1601 and perform the following operations: sending a third cell identifier affected by the reconfigured access network control function to the first access network control function.

[0370] For the case where the communication network element is the first access network control function: the processor 1603 is configured to read the computer program in the memory 1601 and perform the following operations:

[0371] receiving geographic location information corresponding to a first distributed access node sent by a radio resource management function, where the first access network control function serves the first distributed access node;

[0372] Update the tracking area list according to the geographical location information corresponding to the first distributed access node.

[0373] In one embodiment, the processor 1603 is further configured to read the computer program in the memory 1601 and perform the following operations:

[0374] After updating the tracking area list according to the geographic location information corresponding to the first distributed access node, the updated tracking area list is sent to the second network function in the core network.

[0375] In one of the embodiments, the second network function includes an access and mobility management function and / or a network function registration function.

[0376] In one embodiment, the processor 1603 is further configured to read the computer program in the memory 1601 and perform the following operations: sending an updated network identifier via broadcast or multicast, so that the receiving distributed access node updates the cell global identifier based on the updated network identifier.

[0377] For the case where the communication network element is a first distributed access node: the processor 1603 is configured to read the computer program in the memory 1601 and perform the following operations:

[0378] receiving first cell information corresponding to the first distributed access node sent by a radio resource management function, where the first cell information is determined based on first information sent by a target distributed access node, where the target distributed access node includes the first distributed access node and / or other distributed access nodes, and the first information includes at least one of the following information:

[0379] Identification information, geographic location information, deployment method information, and wireless capability information.

[0380] In one embodiment, the first cell information corresponding to the first distributed access node includes at least one of the following information:

[0381] Physical cell identification, cell global identification, and neighboring cell information.

[0382] In one embodiment, the wireless capability information includes at least one of the following:

[0383] Supported wireless access technologies, supported frequency information, and supported antenna information.

[0384] In one embodiment, the processor 1603 is configured to read the computer program in the memory 1601 and perform the following operations:

[0385] After receiving the cell information corresponding to the first distributed access node sent by the radio resource management function, receiving an updated network identifier broadcast or multicast by the first access network control function;

[0386] The cell global identifier is updated based on the updated network identifier.

[0387] In one embodiment, the processor 1603 is configured to read the computer program in the memory 1601 and perform the following operations:

[0388] After receiving the cell information corresponding to the first distributed access node sent by the radio resource management function, receiving second cell information sent by the radio resource management function;

[0389] The second information includes: a second cell identifier corresponding to the cell having the resource configuration problem and a reason for the resource configuration problem. The first distributed access node corresponds to the second cell identifier.

[0390] In one embodiment, the processor 1603 is configured to read the computer program in the memory 1601 and perform the following operations:

[0391] After receiving the cell information corresponding to the first distributed access node sent by the radio resource management function, receiving a third cell identifier affected by the reconfigured access network control function sent by the radio resource management function.

[0392] In an exemplary embodiment, Figure 17 As shown, a structural block diagram of a radio resource management function is provided, including:

[0393] Receiving module 1701, configured to receive first information sent by a target distributed access node;

[0394] A determining module 1702 is configured to determine first cell information corresponding to the first distributed access node based on the first information;

[0395] The target distributed access node includes the first distributed access node and / or other distributed access nodes, and the first information includes at least one of the following information:

[0396] Identification information, geographic location information, deployment method information, and wireless capability information.

[0397] In some embodiments, the first cell information corresponding to the first distributed access node includes at least one of the following:

[0398] Physical cell identification, cell global identification, and neighboring cell information.

[0399] In some embodiments, the wireless capability information includes at least one of the following:

[0400] Supported wireless access technologies, supported frequency information, and supported antenna information.

[0401] In some embodiments, the determination module 1702 is further configured to determine a first access network control function based on the first information.

[0402] In some embodiments, the first cell information corresponding to the first distributed access node includes the cell global identifier; the determination module 1702 is specifically used to: determine the first cell information corresponding to the first distributed access node based on the first information, including: determining a first access network control function based on the first information; determining the cell global identifier based on at least one network identifier and access network identifier sent by the first access network control function.

[0403] In some embodiments, the wireless resource management function also includes: a saving module 1703, which is used to save the association relationship between the identifier of the first distributed access node and the identifier of the first access network control function after determining the first access network control function based on the first information.

[0404] In some embodiments, the first cell information corresponding to the first distributed access node includes the physical cell identifier, and the determination module 1702 is specifically used to: determine the first cell information corresponding to the first distributed access node based on the first information, including: filtering an initial physical cell identifier list based on the first information to obtain a filtered physical cell identifier list; and specifying the physical cell identifier from the filtered physical cell identifier list.

[0405] In some embodiments, the first cell information corresponding to the first distributed access node includes the neighboring cell information, and the first information includes at least one of the following information of the target distributed access node:

[0406] Geographic location information, and / or supported frequency information.

[0407] In some embodiments, the radio resource management function further includes: a sending module 1704, configured to:

[0408] sending first cell information corresponding to the first distributed access node to the first distributed access node;

[0409] and / or,

[0410] The geographic location information corresponding to the first distributed access node is sent to the first access network control function.

[0411] In some embodiments, the first information includes update information and a first cell identifier corresponding to the update information; the update information includes: the updated geographic location information and / or the updated wireless capability information, and the first cell identifier includes a physical cell identifier and / or a cell global identifier.

[0412] In some embodiments, the first information further includes: cell information corresponding to a second distributed access node, and the second distributed access node has a neighboring cell relationship with the first distributed access node.

[0413] In some embodiments, after the sending module 1704 sends the first cell information corresponding to the first distributed access node to the first distributed access node, the receiving module 1701 is further configured to receive second information sent by the first network function or maintenance operation management, where the second information includes: a second cell identifier corresponding to the cell having a resource configuration problem, and a reason for the resource configuration problem;

[0414] The determining module 1702 is further configured to determine second cell information according to the second information when determining the distributed access node corresponding to the second cell identifier.

[0415] In some embodiments, the sending module 1704 is further configured to send the second cell information to a distributed access node corresponding to the second cell identifier.

[0416] In some embodiments, the determination module 1702 is specifically used to: determine the first access network control function based on the first information, including: determine the first access network control function based on the first information and the status of the access network control function.

[0417] In some embodiments, the sending module 1704 is further configured to send, to the first access network control function, an identifier of a third cell affected by the reconfigured access network control function.

[0418] In an exemplary embodiment, Figure 18 As shown, a structural block diagram of a first access network control function is provided, including:

[0419] A receiving module 1801 is configured to receive geographic location information corresponding to a first distributed access node sent by a radio resource management function, where the first access network control function serves the first distributed access node;

[0420] The updating module 1802 is configured to update the tracking area list according to the geographic location information corresponding to the first distributed access node.

[0421] In one embodiment, the first access network control function further includes a sending module 1803, which is used for the updating module 1802 to update the tracking area list according to the geographic location information corresponding to the first distributed access node, and then send the updated tracking area list to the second network function in the core network.

[0422] In one of the embodiments, the second network function includes an access and mobility management function and / or a network function registration function.

[0423] In one embodiment, the sending module 1803 is further configured to send the updated network identifier by broadcasting or multicasting, so that the distributed access node receiving the updated network identifier updates the cell global identifier based on the updated network identifier.

[0424] In an exemplary embodiment, Figure 19 As shown, a structural block diagram of a first distributed access node is provided, including:

[0425] A receiving module 1901 is configured to receive first cell information corresponding to the first distributed access node sent by a radio resource management function, where the first cell information is determined based on first information sent by a target distributed access node, where the target distributed access node includes the first distributed access node and / or other distributed access nodes, and the first information includes at least one of the following information:

[0426] Identification information, geographic location information, deployment method information, and wireless capability information.

[0427] In one embodiment, the first cell information corresponding to the first distributed access node includes at least one of the following information:

[0428] Physical cell identification, cell global identification, and neighboring cell information.

[0429] In one embodiment, the wireless capability information includes at least one of the following:

[0430] Supported wireless access technologies, supported frequency information, and supported antenna information.

[0431] In one embodiment, the receiving module 1901 is further configured to receive an updated network identifier broadcast or multicast by a first access network control function after receiving the cell information corresponding to the first distributed access node sent by the radio resource management function;

[0432] The first distributed access node further includes: an updating module 1902, configured to update the cell global identifier based on the updated network identifier.

[0433] In one embodiment, the receiving module 1901 is further configured to receive second cell information sent by the radio resource management function after receiving the cell information corresponding to the first distributed access node sent by the radio resource management function;

[0434] The second information includes: a second cell identifier corresponding to the cell having the resource configuration problem and a reason for the resource configuration problem. The first distributed access node corresponds to the second cell identifier.

[0435] In one embodiment, the receiving module 1901 is further configured to receive a third cell identifier affected by the reconfigured access network control function, sent by the radio resource management function, after receiving the cell information corresponding to the first distributed access node sent by the radio resource management function.

[0436] It should be noted that the division of modules in the embodiments of the present application is schematic and is merely a logical functional division. In actual implementation, other division methods may be used. Furthermore, the functional modules in the various embodiments of the present application may be integrated into a single processing module, or each module may exist physically separately, or two or more modules may be integrated into a single module. The aforementioned integrated modules may be implemented in the form of hardware or software functional modules.

[0437] If the above-mentioned integrated modules are implemented in the form of software functional modules and sold or used as independent products, they can be stored in a processor-readable storage medium. Based on this understanding, the technical solution of the present application, or the part that contributes to the existing technology, or all or part of the technical solution can be embodied in the form of a software product. The computer software product is stored in a storage medium and includes a number of instructions for enabling a computer device (which can be a personal computer, server, or network device, etc.) or a processor to execute all or part of the steps of the method described in each embodiment of the present application.

[0438] It should be noted here that the above-mentioned communication network element provided in the embodiment of the present invention can implement all the method steps implemented in the above-mentioned method embodiment and can achieve the same technical effect. The parts and beneficial effects that are the same as the method embodiment in this embodiment will not be described in detail here.

[0439] In one embodiment, a computer-readable storage medium is provided, on which a computer program is stored. When the computer program is executed by a processor, all the method steps implemented in the above method embodiment are implemented.

[0440] In one embodiment, a computer program product is provided, comprising a computer program, which implements all the method steps implemented in the above method embodiment when executed by a processor.

[0441] Those skilled in the art will appreciate that all or part of the processes in the above-mentioned embodiments can be implemented by instructing the relevant hardware through a computer program. The computer program can be stored in a non-volatile computer-readable storage medium. When the computer program is executed, it can include the processes of the above-mentioned embodiments. In particular, any reference to memory, database, or other media used in the embodiments provided in this application can include at least one of non-volatile and volatile memory. Non-volatile memory can include read-only memory (ROM), magnetic tape, floppy disk, flash memory, optical memory, high-density embedded non-volatile memory, resistive random access memory (ReRAM), magnetic random access memory (MRAM), ferroelectric random access memory (FRAM), phase change memory (PCM), graphene memory, etc. Volatile memory can include random access memory (RAM) or external cache memory, etc. By way of illustration and not limitation, RAM can take various forms, such as static random access memory (SRAM) or dynamic random access memory (DRAM). The databases involved in the various embodiments provided herein may include at least one of a relational database and a non-relational database. Non-relational databases may include, but are not limited to, distributed databases based on blockchains. The processors involved in the various embodiments provided herein may be, but are not limited to, general-purpose processors, central processing units (CPUs), graphics processing units (GPUs), digital signal processors (DSPs), programmable logic devices (PLDs), data processing logic devices based on quantum computing, and the like.

[0442] The technical features of the above embodiments can be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0443] The above-described embodiments merely represent several implementation methods of the present application. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present application. It should be noted that a person of ordinary skill in the art may make various modifications and improvements without departing from the spirit of the present application, and these modifications and improvements fall within the scope of protection of the present application. Therefore, the scope of protection of the present application shall be determined by the appended claims.

Claims

1. A method for determining cell information, characterized in that: Applied to the radio resource management function, the method includes: receiving first information sent by a target distributed access node; Determining, according to the first information, first cell information corresponding to the first distributed access node; The target distributed access node includes the first distributed access node and / or other distributed access nodes, and the first information includes at least one of the following information: Identification information, geographic location information, deployment method information, and wireless capability information.

2. The method according to claim 1, characterized in that The first cell information corresponding to the first distributed access node includes at least one of the following: Physical cell identification, cell global identification, and neighboring cell information.

3. The method according to claim 1, characterized in that The wireless capability information includes at least one of the following: Supported wireless access technologies, supported frequency information, and supported antenna information.

4. The method according to claim 1, wherein The method further comprises: Based on the first information, a first access network control function is determined.

5. The method according to claim 1, wherein The first cell information corresponding to the first distributed access node includes the cell global identifier; and determining the first cell information corresponding to the first distributed access node according to the first information includes: determining a first access network control function based on the first information; The cell global identifier is determined according to at least one network identifier and an access network identifier sent by the first access network control function.

6. The method according to claim 4 or 5, characterized in that After determining the first access network control function based on the first information, the method further includes: An association relationship between the identifier of the first distributed access node and the identifier of the first access network control function is saved.

7. The method according to claim 2, characterized in that The first cell information corresponding to the first distributed access node includes the physical cell identifier, and determining the first cell information corresponding to the first distributed access node according to the first information includes: filtering an initial physical cell identifier list based on the first information to obtain a filtered physical cell identifier list; The physical cell identifier is specified from the filtered physical cell identifier list.

8. The method according to claim 2, characterized in that The first cell information corresponding to the first distributed access node includes the neighboring cell information, and the first information includes at least one of the following information: Geographic location information, and / or supported frequency information.

9. The method according to claim 1, characterized in that The method further comprises: sending first cell information corresponding to the first distributed access node to the first distributed access node; and / or, The geographic location information corresponding to the first distributed access node is sent to the first access network control function.

10. The method according to claim 1, characterized in that The first information includes update information and a first cell identifier corresponding to the update information; The update information includes: the updated geographic location information and / or the updated wireless capability information, and the first cell identifier includes a physical cell identifier and / or a cell global identifier.

11. The method according to claim 10, characterized in that The first information further includes: cell information corresponding to a second distributed access node, where the second distributed access node has a neighboring cell relationship with the first distributed access node.

12. The method according to claim 8, characterized in that After sending the first cell information corresponding to the first distributed access node to the first distributed access node, the method further includes: receiving second information sent by the first network function or the maintenance operation management, where the second information includes: a second cell identifier corresponding to a cell having a resource configuration problem, and a cause of the resource configuration problem; When determining the distributed access node corresponding to the second cell identifier, second cell information is determined according to the second information.

13. The method according to claim 12, characterized in that The method further comprises: The second cell information is sent to a distributed access node corresponding to the second cell identifier.

14. The method according to claim 4, characterized in that The determining the first access network control function based on the first information includes: The first access network control function is determined based on the first information and a state of the access network control function.

15. The method according to claim 14, characterized in that The method further comprises: The identifier of the third cell affected by the reconfigured access network control function is sent to the first access network control function.

16. A method for determining cell information, characterized in that: Applicable to the first access network control function, including: receiving geographic location information corresponding to a first distributed access node sent by a radio resource management function, where the first access network control function serves the first distributed access node; Update the tracking area list according to the geographical location information corresponding to the first distributed access node.

17. The method according to claim 16, characterized in that After updating the tracking area list according to the geographic location information corresponding to the first distributed access node, the method further includes: The updated tracking area list is sent to the second network function in the core network.

18. The method according to claim 17, characterized in that The second network function includes an access and mobility management function and / or a network function registration function.

19. The method according to claim 16, wherein The method further comprises: The updated network identifier is sent in a broadcast or multicast manner, so that the distributed access nodes receiving the updated network identifier update the cell global identifier based on the updated network identifier.

20. A method for determining cell information, characterized in that: Applied to a first distributed access node, comprising: receiving first cell information corresponding to the first distributed access node sent by a radio resource management function, where the first cell information is determined based on first information sent by a target distributed access node, where the target distributed access node includes the first distributed access node and / or other distributed access nodes, and the first information includes at least one of the following information: Identification information, geographic location information, deployment method information, and wireless capability information.

21. The method according to claim 20, characterized in that The first cell information corresponding to the first distributed access node includes at least one of the following information: Physical cell identification, cell global identification, and neighboring cell information.

22. The method according to claim 20, characterized in that The wireless capability information includes at least one of the following: Supported wireless access technologies, supported frequency information, and supported antenna information.

23. The method according to claim 20, characterized in that After receiving the cell information corresponding to the first distributed access node sent by the radio resource management function, the method further includes: receiving an updated network identifier broadcast or multicast by the first access network control function; The cell global identifier is updated based on the updated network identifier.

24. The method according to claim 20, characterized in that After receiving the cell information corresponding to the first distributed access node sent by the radio resource management function, the method further includes: receiving second cell information sent by the radio resource management function; The second information includes: a second cell identifier corresponding to the cell having the resource configuration problem and a reason for the resource configuration problem. The first distributed access node corresponds to the second cell identifier.

25. The method according to claim 20, wherein After receiving the cell information corresponding to the first distributed access node sent by the radio resource management function, the method further includes: Receive a third cell identifier that is affected by the reconfiguration of the access network control function and is sent by the radio resource management function.

26. A radio resource management function, characterized in that: include: Memory, transceiver, processor; The memory is used to store a computer program; the transceiver is used to send and receive data under the control of the processor; and the processor is used to read the computer program in the memory and perform the following operations: receiving first information sent by a target distributed access node; Determining, according to the first information, first cell information corresponding to the first distributed access node; The target distributed access node includes the first distributed access node and / or other distributed access nodes, and the first information includes at least one of the following information: Identification information, geographic location information, deployment method information, and wireless capability information.

27. The radio resource management function according to claim 26, characterized in that The first cell information corresponding to the first distributed access node includes at least one of the following: Physical cell identification, cell global identification, and neighboring cell information.

28. The radio resource management function according to claim 26, characterized in that The wireless capability information includes at least one of the following: Supported wireless access technologies, supported frequency information, and supported antenna information.

29. The radio resource management function according to claim 26, wherein: The processor is further configured to read the computer program in the memory and perform the following operations: Based on the first information, the first access network control function is determined.

30. The radio resource management function according to claim 29, characterized in that The first cell information corresponding to the first distributed access node includes the cell global identifier; The first information includes: at least one network identifier and an access network identifier sent by the first access network control function to determine the cell global identifier.

31. The radio resource management function according to claim 30, characterized in that The processor is further configured to read the computer program in the memory and perform the following operations: An association relationship between the identifier of the first distributed access node and the identifier of the first access network control function is saved.

32. The radio resource management function according to claim 27, wherein: The first cell information corresponding to the first distributed access node includes the physical cell identifier, and the processor is further configured to read a computer program in the memory and perform the following operations: filtering an initial physical cell identifier list based on the first information to obtain a filtered physical cell identifier list; The first physical cell identifier is specified from the filtered physical cell identifier list.

33. The radio resource management function according to claim 27, wherein: The first cell information corresponding to the first distributed access node includes the neighboring cell information, the target distributed access node includes the first distributed access node and / or other distributed access nodes, and the first information includes at least one of the following information: Geographic location information, and / or supported frequency information.

34. The radio resource management function according to claim 26, wherein: The processor is further configured to read the computer program in the memory and perform the following operations: The first cell information corresponding to the first distributed access node is sent to the first distributed access node.

35. The radio resource management function according to claim 34, characterized in that The processor is further configured to read the computer program in the memory and perform the following operations: The geographic location information corresponding to the first distributed access node is sent to the first access network control function.

36. The radio resource management function according to claim 26, characterized in that The first information includes update information and a first cell identifier corresponding to the update information; The update information includes: the updated geographic location information and / or the updated wireless capability information, and the first cell identifier includes a physical cell identifier and / or a cell global identifier.

37. The radio resource management function according to claim 36, characterized in that The first information includes: cell information corresponding to a second distributed access node, and the second distributed access node has a neighboring cell relationship with the first distributed access node.

38. The radio resource management function according to claim 34, characterized in that The processor is further configured to read the computer program in the memory and perform the following operations: receiving second information sent by the first network function or the maintenance operation management, where the second information includes: a second cell identifier corresponding to a cell having a resource configuration problem, and a cause of the resource configuration problem; When determining the distributed access node corresponding to the second cell identifier, second cell information is determined according to the second information.

39. The radio resource management function according to claim 38, characterized in that The processor is further configured to read the computer program in the memory and perform the following operations: The second cell information is sent to a distributed access node corresponding to the second cell identifier.

40. The radio resource management function according to claim 29, wherein: The processor is further configured to read the computer program in the memory and perform the following operations: The first access network control function is determined based on the first information and a state of the access network control function.

41. The radio resource management function according to claim 40, characterized in that: The processor is further configured to read the computer program in the memory and perform the following operations: The identifier of the third cell affected by the reconfigured access network control function is sent to the first access network control function.

42. A first access network control function, characterized in that: include: Memory, transceiver, processor; The memory is used to store a computer program; the transceiver is used to send and receive data under the control of the processor; and the processor is used to read the computer program in the memory and perform the following operations: receiving geographic location information corresponding to a first distributed access node sent by a radio resource management function, where the first access network control function serves the first distributed access node; Update the tracking area list according to the geographical location information corresponding to the first distributed access node.

43. The first access network control function according to claim 42, characterized in that: The processor is configured to read the computer program in the memory and perform the following operations: After updating the tracking area list according to the geographic location information corresponding to the first distributed access node, the updated tracking area list is sent to the second network function in the core network.

44. The first access network control function according to claim 42, characterized in that The processor is further configured to read the computer program in the memory and perform the following operations: The updated network identifier is sent in a broadcast or multicast manner, so that the distributed access nodes receiving the updated network identifier update the cell global identifier based on the updated network identifier.

45. A first distributed access node, characterized in that: include: Memory, transceiver, processor; The memory is used to store computer programs; the transceiver is used to send and receive data under the control of the processor; The processor is configured to read the computer program in the memory and perform the following operations: receiving first cell information corresponding to the first distributed access node sent by a radio resource management function, where the first cell information is determined based on first information sent by a target distributed access node, where the target distributed access node includes the first distributed access node and / or other distributed access nodes, and the first information includes at least one of the following information: Identification information, geographic location information, deployment method information, and wireless capability information.

46. ​​The first distributed access node according to claim 45, characterized in that The first cell information corresponding to the first distributed access node includes at least one of the following information: Physical cell identification, cell global identification, and neighboring cell information.

47. The first distributed access node according to claim 45, characterized in that The processor is further configured to read the computer program in the memory and perform the following operations: After receiving the cell information corresponding to the first distributed access node sent by the radio resource management function, receiving the updated network identifier broadcast or multicast by the first access network control function; The cell global identifier is updated based on the updated network identifier.

48. The first distributed access node according to claim 45, characterized in that The processor is further configured to read the computer program in the memory and perform the following operations: After receiving the cell information corresponding to the first distributed access node sent by the radio resource management function, receiving second cell information sent by the radio resource management function; The second information includes: a second cell identifier corresponding to the cell having the resource configuration problem and a reason for the resource configuration problem. The first distributed access node corresponds to the second cell identifier.

49. The first distributed access node according to claim 45, characterized in that The processor is further configured to read the computer program in the memory and perform the following operations: After receiving the cell information corresponding to the first distributed access node sent by the radio resource management function, the third cell identifier affected by the reconfigured access network control function is received from the radio resource management function.

50. A radio resource management function, characterized in that include: A receiving module, configured to receive first information sent by a target distributed access node; a determining module, configured to determine first cell information corresponding to the first distributed access node based on the first information; The target distributed access node includes the first distributed access node and / or other distributed access nodes, and the first information includes at least one of the following information: Identification information, geographic location information, deployment method information, and wireless capability information.

51. A first access network control function, characterized in that: include: A receiving module, configured to receive geographic location information corresponding to a first distributed access node sent by a radio resource management function, wherein the first access network control function serves the first distributed access node; An updating module is configured to update a tracking area list according to geographic location information corresponding to the first distributed access node.

52. A first distributed access node, characterized in that: include: a receiving module, configured to receive first cell information corresponding to the first distributed access node sent by a radio resource management function, where the first cell information is determined based on first information sent by a target distributed access node, where the target distributed access node includes the first distributed access node and / or other distributed access nodes, and the first information includes at least one of the following information: Identification information, geographic location information, deployment method information, and wireless capability information.

53. A computer-readable storage medium, characterized in that The computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the method according to any one of claims 1 to 25 is implemented.

Images