WO2019192510A1 - 无线接入网区域码的处理方法、装置及无线接入网节点 - Google Patents

无线接入网区域码的处理方法、装置及无线接入网节点 Download PDF

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Publication number
WO2019192510A1
WO2019192510A1 PCT/CN2019/081227 CN2019081227W WO2019192510A1 WO 2019192510 A1 WO2019192510 A1 WO 2019192510A1 CN 2019081227 W CN2019081227 W CN 2019081227W WO 2019192510 A1 WO2019192510 A1 WO 2019192510A1
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Prior art keywords
radio access
access network
network node
area code
cell
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PCT/CN2019/081227
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English (en)
French (fr)
Inventor
周叶
孙建成
汪颖
范江胜
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电信科学技术研究院有限公司
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Publication of WO2019192510A1 publication Critical patent/WO2019192510A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
    • H04W60/04—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration using triggered events
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/26—Network addressing or numbering for mobility support
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/16—Interfaces between hierarchically similar devices
    • H04W92/20—Interfaces between hierarchically similar devices between access points

Definitions

  • the present disclosure relates to the field of communications technologies, and in particular, to a method, an apparatus, and a radio access network node for processing a radio access network area code.
  • a logical RAN node can be further divided into a central unit (CU) and a distributed unit (DU).
  • This structure is called "CU/DU split".
  • the CU and the DU are connected by an F1 or similar interface.
  • the GTP connection between the radio access network node and the core network terminates at the CU, and the air interface connection between the radio access network node and the mobile terminal terminates in the DU.
  • One type of scheme in which CU/DU is separated is called "High Layer Split", in which the PHY layer (physical layer) and the RF layer are both located in the DU.
  • a Tracking Area can be further subdivided into multiple Radio Access Network Areas (RAN Areas). Within a radio access network area, these sub-areas are uniquely identified by a RAN Area Code (RANAC).
  • the radio access network area code is mainly used in the RRC Inactive (RRC Inactive) scenario: when the mobile terminal (UE) enters the connected state, the radio access network configures a radio access network notification area (RAN Notification Area) for the terminal. , ie RNA), this RNA can be represented as a list of RAN Areas. After the terminal enters the connected state, it broadcasts the RMSI (Remaining minimum system information) of the cell to learn the tracking area of the current cell and the radio access network area code, and infer whether the current cell belongs to the radio access network. Notification area.
  • RMSI Remaining minimum system information
  • the DU needs to know the radio access network area code of each cell to encode the RMSI broadcast, and the CU also needs to know the radio access network area code of each cell of the DU. Configure the radio resource control RRC message.
  • the RMSI is generated by the DU code. Since the RMSI contains RANAC information, this means that the DU needs to know the RANAC of each cell under its jurisdiction.
  • an RRC message for causing a mobile terminal to enter an RRC Inactive state is generated by a CU code, and this message must contain an RNA (RAN Notification Area) configuration information. In order to properly configure the RNA, the CU also needs to know the RANAC of each cell under its jurisdiction.
  • RNA RAN Notification Area
  • both the CU and the DU need to know the RANAC of each cell under its jurisdiction.
  • no interface message in the related art can directly exchange the mapping information of the cell to the RANAC between the CU and the DU.
  • OAM Operaation Management Maintenance
  • the purpose of the embodiments of the present disclosure is to provide a method, an apparatus, and a radio access network node for processing a radio access network area code, so as to solve the problem that the radio access network nodes cannot exchange radio access of the respective subordinated cells in the related art.
  • the problem of the network area code is to provide a method, an apparatus, and a radio access network node for processing a radio access network area code, so as to solve the problem that the radio access network nodes cannot exchange radio access of the respective subordinated cells in the related art.
  • an embodiment of the present disclosure provides a method for processing a radio access network area code, which is applied to a first radio access network node, and includes:
  • the interface message includes mapping relationship information between at least one cell of the first radio access network node and a radio access network area code.
  • the sending the interface message to the second radio access network node includes:
  • the sending the interface to the second radio access network node includes:
  • the interface message includes a mapping relationship between the changed cell of the first radio access network node and the radio access network area code information.
  • the radio access network area code of the at least one cell of the first radio access network node after the change is obtained including:
  • the embodiment of the present disclosure further provides a method for processing a radio access network area code, which is applied to a first radio access network node, and the method includes:
  • the mobile information of the mobile terminal in the coverage of the cell under the jurisdiction of the first radio access network node includes:
  • the radio resource controls the switching frequency of the RRC connected state mobile terminal between different subordinate cells of the first radio access network node; and/or,
  • the RRC connects the frequency of reselection between the inactive mobile terminals at different jurisdictions of the first radio access network node.
  • the embodiment of the present disclosure further provides a radio access network node, which is applied to a first radio access network node, where the radio access network node includes: a memory, a processor, and is stored in the memory and can be processed in the a program running on the device; when the processor executes the program, the following steps are performed: sending an interface message to the second radio access network node, where the interface message includes at least one of the first radio access network node
  • the mapping relationship between the cell and the radio access network area code is under the jurisdiction.
  • the processor is further configured to:
  • the processor is further configured to:
  • the interface message includes a mapping relationship between the changed cell of the first radio access network node and the radio access network area code information.
  • the processor is also used to:
  • the embodiment of the present disclosure further provides a processing device for a radio access network area code, which is applied to a first radio access network node, and includes:
  • a sending module configured to send, to the second radio access network node, an interface message, where the interface message includes a radio access network area code of the at least one cell of the first radio access network node.
  • Embodiments of the present disclosure also provide a computer readable storage medium storing a program on a computer readable storage medium, the program being executed by a processor to implement the steps of a method of processing a radio access network area code as described above.
  • An embodiment of the present disclosure further provides a radio access network node, which is applied to a first radio access network node, where the radio access network node includes: a memory, a processor, and is stored in the memory and can be processed in the The program running on the device, when the processor executes the program, implements the following steps:
  • the mobile information of the mobile terminal in the coverage of the cell under the jurisdiction of the first radio access network node includes:
  • the radio resource controls the switching frequency of the RRC connected state mobile terminal between different subordinate cells of the first radio access network node; and/or,
  • the RRC connects the frequency of reselection between the inactive mobile terminals at different jurisdictions of the first radio access network node.
  • the processor is further configured to:
  • the embodiment of the present disclosure further provides a processing apparatus for a radio access network area code, which is applied to a first radio access network node, where the apparatus includes:
  • An acquiring module configured to acquire mobile information of a mobile terminal in a coverage area of a cell under the jurisdiction of the first radio access network node
  • a changing module configured to change, according to the mobile information of the mobile terminal, a radio access network area code of at least one subordinate cell of the first radio access network node.
  • Embodiments of the present disclosure also provide a computer readable storage medium storing a program on a computer readable storage medium, the program being executed by a processor to implement the steps of a method of processing a radio access network area code as described above.
  • the foregoing technical solution of the present disclosure provides a manner in which a first radio access network node and a second radio access network node directly interact with a radio access network area code of a subordinate cell through an interface message, so as to adapt to a CU/DU high layer. Separate the scene.
  • FIG. 1 is a flow chart showing the steps of a method for processing a radio access network area code according to an embodiment of the present disclosure
  • FIG. 2 is a schematic diagram of interaction of an example 1 in a method for processing a radio access network area code according to an embodiment of the present disclosure
  • FIG. 3 is a schematic diagram of interaction of example two in a method for processing a radio access network area code according to an embodiment of the present disclosure
  • FIG. 4 is a schematic diagram of interaction of example three in a method for processing a radio access network area code according to an embodiment of the present disclosure
  • FIG. 5 is a schematic diagram of interaction of example four in a method for processing a radio access network area code according to an embodiment of the present disclosure
  • FIG. 6 is a schematic diagram of interaction of example five in a method for processing a radio access network area code according to an embodiment of the present disclosure
  • FIG. 7 is a schematic diagram of interaction of example six in a method for processing a radio access network area code according to an embodiment of the present disclosure
  • FIG. 8 is a second flowchart of a method for processing a radio access network area code according to an embodiment of the present disclosure
  • FIG. 9 is a schematic diagram of interaction of example seven in a method for processing a radio access network area code according to an embodiment of the present disclosure.
  • FIG. 10 is a schematic diagram showing interaction of example eight in a method for processing a radio access network area code according to an embodiment of the present disclosure
  • FIG. 11 is a schematic structural diagram of a radio access network node according to an embodiment of the present disclosure.
  • FIG. 12 is a schematic structural diagram of a processing apparatus for a radio access network area code according to an embodiment of the present disclosure
  • FIG. 13 is a second schematic structural diagram of a device for processing a radio access network area code according to an embodiment of the present disclosure.
  • an embodiment of the present disclosure provides a method for processing a radio access network area code, which is applied to a first radio access network node, and includes:
  • Step 101 Send an interface message to the second radio access network node, where the interface message includes mapping relationship information between at least one cell of the first radio access network node and a radio access network area code.
  • the interface message includes mapping information of at least one cell and a radio access network area code in the form of an information element (IE) or a sub-IE.
  • IE information element
  • the mapping relationship information between the at least one cell and the radio access network area code the identification information of the at least one cell under the jurisdiction, and the radio access network area code of each subordinate cell.
  • the IE or sub-IE in the interface message is used to indicate the radio access network area code of a certain cell.
  • the second radio access network node receives the interface information that includes the mapping relationship between the at least one cell of the first radio access network node and the radio access network area code, where the second radio access network node Recording the radio access network area code after the received interface message to the memory of the second radio access network node, or replacing the second radio connection with the radio access network area code in the received interface message.
  • mapping relationship between the at least one cell and the radio access network area code may be clearly and explicitly presented in a table, or may be displayed by other mapping formats, and is not specifically limited herein.
  • the area code of the cell and the radio access network may be a one-to-one mapping relationship, or may be a multi-to-one mapping relationship, that is, one cell has only one radio access network area code, but one radio access network.
  • the area code may correspond to one cell or multiple cells.
  • the cells of the first radio access network node include: cell 1, cell 2, cell 3, and cell 4.
  • the interface message includes: mapping information of the cell 1, the cell 2, and the radio access network area code; that is, the interface message includes: the identifier information of the cell 1, the radio access network area code of the cell 1, and the identifier information of the cell 2, The radio access network area code of the cell 2. It should be noted that if the radio access network area code of the cell 1 is the same as the radio access network area code of the cell 2, only one radio access network area code may be included in the interface message, but the cell 1 needs to be indicated by other information. The mapping relationship between the cell 2 and the radio access network area code is not described in detail herein.
  • the foregoing method for processing a radio access network area code is applicable to a central node CU/distribution node DU separation structure
  • the first radio access network node mentioned in the foregoing embodiment may be It is a central node CU, and may also be a distribution node DU
  • the second radio access network node mentioned in the above embodiment may be a distribution node DU or a central node CU.
  • step 101 is specifically: the central node CU is under the central node CU All distribution nodes DU send the interface message separately.
  • step 101 is specifically: the distribution node DU is to the center to which it belongs.
  • the node CU sends the interface message.
  • step 101 is specifically: one central node CU sends the location to another central node CU.
  • the interface message (assuming that the two central nodes need to share the radio access network area code of the cell under their jurisdiction).
  • step 101 is specifically: one distribution node DU sends the location to another distribution node DU.
  • the interface message (assuming that the two distribution nodes need to share the radio access network area code of the cell under their jurisdiction).
  • the distribution node of the radio access network area code sharing the subordinate cell belongs to a central node CU, but does not exclude the radio access network area code of the inter-cell between the distribution nodes DU under different central node CUs. The situation is not specifically limited herein.
  • step 101 includes:
  • the node After configuring the radio access network area code for the at least one subordinate cell of the first radio access network node, sending the interface message to the second radio access network node; that is, the first radio access network
  • the node autonomously configures the radio access network area code for at least one of its subordinate cells.
  • Example 1 F1 establishment process, OAM (Operation and Maintenance Management) configures the radio access network area code RANAC of the cell and informs the distribution node DU (the first radio access network node is the distribution node DU), as shown in FIG. 2, the central node
  • OAM Operaation and Maintenance Management
  • Step 21 The OAM configures the radio access network area code for the subordinate cells of the distribution node DU, and notifies the distribution node DU of the configuration result.
  • Step 22 The distribution node DU sends an F1 setup request message (ie, an interface message) to the central node CU, where the F1 setup request message includes mapping relationship information between the cell under the distribution node DU and the radio access network area code.
  • F1 setup request message ie, an interface message
  • Step 23 The central node CU receives the F1 setup request message, and feeds back the F1 setup response message to the distribution node DU.
  • the central node CU can determine the radio access network area code of the cell under the jurisdiction of the distribution node DU according to the content carried in the F1 setup request message.
  • Example 2 The F1 establishment process, the distribution node DU (the first radio access network node is the distribution node DU) autonomously configures the radio access network area code of the cell under its jurisdiction, as shown in FIG. 3, the central node CU and the distribution node DU The interaction between them is as follows:
  • Step 31 The distribution node DU configures a radio access network area code for its subordinate cell.
  • Step 32 The distribution node DU sends an F1 setup request message (ie, an interface message) to the central node CU, where the F1 setup request message includes mapping relationship information between the cell under the distribution node DU and the radio access network area code.
  • F1 setup request message ie, an interface message
  • Step 33 The central node CU receives the F1 setup request message, and feeds back the F1 setup response message to the distribution node DU.
  • the central node CU can determine the radio access network area code of the cell under the jurisdiction of the distribution node DU according to the content carried in the F1 setup request message.
  • Example 3 F1 establishment process, OAM (Operation and Maintenance Management) configures the radio access network area code RANAC of the cell and informs the central node CU (the first radio access network node is the central node CU), as shown in FIG. 4, the central node
  • the interaction between the CU and the distribution node DU is as follows:
  • Step 41 The OAM configures the radio access network area code for the cell under the jurisdiction of the central node CU, and informs the central node CU of the configuration result.
  • Step 42 The distribution node DU sends an F1 setup request message to the central node CU.
  • Step 43 The central node CU receives the F1 setup request message, and feeds back a F1 setup response message (ie, an interface message) to the distribution node DU, where the F1 setup response message includes the cell under the jurisdiction of the central node CU and the radio access network region. The mapping relationship information of the code. Then, the distribution node DU can determine the radio access network area code of the cell under the central node CU according to the content carried in the F1 setup response message.
  • a F1 setup response message ie, an interface message
  • Example 4 The F1 establishment process, the central node CU (the first radio access network node is the central node CU) autonomously configures the radio access network area code of the cell under its jurisdiction, as shown in FIG. 5, the central node CU and the distribution node DU The interaction between them is as follows:
  • Step 51 The central node CU configures a radio access network area code for its subordinated cell.
  • Step 52 the distribution node DU sends an F1 establishment request message to the central node CU;
  • Step 53 The central node CU receives the F1 setup request message, and feeds back to the distribution node DU, an F1 setup response message (ie, an interface message), where the F1 setup response message includes the cell under the jurisdiction of the central node CU and the radio access network region. The mapping relationship information of the code. Then, the distribution node DU can determine the radio access network area code of the cell under the central node CU according to the content carried in the F1 setup response message.
  • an F1 setup response message ie, an interface message
  • step 101 includes:
  • the interface message includes a mapping relationship between the changed cell of the first radio access network node and the radio access network area code information.
  • the acquiring the radio access network area code of the at least one cell of the first radio access network node after the change includes:
  • the first radio access network node After actively changing the radio access network area code of the at least one subordinate cell of the first radio access network node (ie, the first radio access network node actively changes the radio access network area code of the subordinate cell), Obtaining, by the changed radio access network area code of the at least one cell of the first radio access network node.
  • Example 5 Distribution node DU configuration update process
  • OAM updates the radio access network area code of the cell and informs the distribution node DU (the first radio access network node is the distribution node DU), as shown in FIG. 6, the central node CU and
  • the interaction between the distribution nodes DU is as follows:
  • step 61 the OAM updates the radio access network area code of the cell, and notifies the distribution node DU of the update result.
  • Step 62 The distribution node DU sends a DU configuration update message (ie, an interface message) to the central node CU, where the DU configuration update message includes mapping relationship information between the cell under the distribution node DU and the radio access network area code.
  • a DU configuration update message ie, an interface message
  • Step 63 After receiving the DU configuration update message, the central node CU feeds back the DU configuration update confirmation message to the distribution node DU.
  • the central node CU can determine the radio access network area code of the cell under the jurisdiction of the distribution node DU according to the content carried in the DU configuration update message.
  • Example 6 Distribution node DU configuration update process, the distribution node DU autonomously updates the radio access network area code of the cell. As shown in FIG. 7, the interaction between the central node CU and the distribution node DU is as follows:
  • Step 71 The distribution node DU updates the radio access network area code of the cell.
  • Step 72 The distribution node DU sends a DU configuration update message (ie, an interface message) to the central node CU, where the DU configuration update message includes mapping relationship information between the cell under the distribution node DU and the radio access network area code.
  • a DU configuration update message ie, an interface message
  • Step 73 After receiving the DU configuration update message, the central node CU feeds back the DU configuration update confirmation message to the distribution node DU.
  • the central node CU can determine the radio access network area code of the cell under the jurisdiction of the distribution node DU according to the content carried in the DU configuration update message.
  • the foregoing technical solutions of the embodiments of the present disclosure provide a manner in which a radio access network area code of a cell is directly interacted between an interface of a first radio access network node and a second radio access network node by using an interface message, Adapt to CU/DU high-level separation scenarios;
  • the embodiment of the present disclosure further provides a method for processing a radio access network area code, which is applied to a first radio access network node, where the method includes:
  • Step 801 Acquire mobile information of a mobile terminal in a coverage area of a cell under the jurisdiction of the first radio access network node;
  • Step 802 Change, according to the mobile information of the mobile terminal, a radio access network area code of at least one cell of the first radio access network node.
  • the embodiment of the present disclosure further provides a manner for a radio access network node to automatically optimize or update or change a radio access network area code based on mobile information of a mobile terminal, thereby reducing operation cost and improving a radio access network area. Code update efficiency.
  • the foregoing method for processing a radio access network area code provided by an embodiment of the present disclosure is applicable to a central node CU/distribution node DU separation structure, and the first radio access network node mentioned in the foregoing embodiment may be
  • the central node CU can also be a distribution node DU.
  • the mobile information of the mobile terminal in the coverage area of the cell under the jurisdiction of the first radio access network node includes:
  • the radio resource controls the switching frequency of the RRC connected state mobile terminal between different subordinate cells of the first radio access network node; and/or,
  • the RRC connects the inactive frequency of the inactive mobile terminal between different subordinate cells of the first radio access network node, and the information is obtained by the RRC Inactive (RRC Connected Inactive State) terminal in the RRC connection recovery process.
  • the changing the radio access network area code of the at least one cell of the first radio access network node according to the mobile information of the mobile terminal includes:
  • the first radio access network node can collect and count the mobile information of all mobile terminals within its coverage, and the mobile terminal can include handover information of the RRC connected state terminal (switching from one cell to another cell)
  • the RRC connection inactive terminal is also included in the cell camping information carried by the RRC connection recovery information (equivalent to the cell reselection record, and the cell from which cell the cell is reselected to which cell).
  • the embodiment of the present disclosure predefines a preset decision formula, and the input of the preset decision formula includes mobile information of the mobile terminal. There is a one-to-one or one-to-many mapping relationship between the cell and the preset decision formula. When the decision formula is satisfied, the radio access network area code update process is triggered to change the radio access network area code of the cell.
  • the first radio access network node is generally the central node CU (the mobile information is more comprehensive due to the central node CU, and the update process is The triggering is more accurate, but the case where the first radio access network node is the distributed node DU is not excluded, and is not specifically limited herein.
  • Example 7 The central node CU configures an update process, and the central node CU periodically updates the radio access network area code of the cell according to the handover frequency of the RRC connected state terminal. As shown in Figure 9:
  • the central node CU collects and counts the frequency of handover of all connected terminals between different cells. Specifically, it is assumed that the radio access network area code RANAC of the cell A (subordinate to the central node CU) is X, and the radio access network area code RANAC of some cells (all subordinate to the central node CU) is Y, X. Different from Y.
  • the central node CU counts "total switching frequency involving A", which includes switching of any one terminal from cell A to any other cell, and also includes handover of any one terminal from any other cell to cell A.
  • the central node CU also counts the "switching frequency between A and Y", which includes the handover of any one terminal from cell A to any cell with RANAC Y, and also includes any one terminal from any RANAC to Y. The handover of the cell to the cell A.
  • the central node CU calculates an indicator according to "the total switching frequency involving A" and "the switching frequency between A and Y".
  • this indicator is above the set threshold, the central node CU decides to optimize the RANAC configuration, changing the RANAC of cell A from X to Y, and triggering the RANAC change procedure.
  • This threshold is mainly determined by the pre-configured parameters, but can also be automatically fine-tuned due to the difference in the number of cells in which the RANAC is X and Y.
  • Step 83 The central node CU sends a CU configuration update message to the distribution node DU to which the cell A belongs, and the CU configuration update message includes mapping relationship information between the changed cell and the RANAC in the form of an IE or a sub-IE.
  • step 84 the distribution node DU to which the cell A belongs accepts the request, and feeds back a DU configuration update confirmation message to the central node CU.
  • step 83 and step 84 are optional steps, that is, after the central node CU updates the radio access network area code of the cell under its jurisdiction, the updated radio access network area code may be sent to the distribution node DU.
  • the updated radio access network area code may not be sent to the distribution node DU, and is not specifically limited herein.
  • Example 8 The central node CU configuration update process, the central node CU statistics the radio access network area code of the autonomously updated cell according to the cell reselection frequency of the RRC connection inactive terminal. As shown in Figure 10:
  • the central node CU collects and counts the frequency of cell reselection performed by all RRC-connected inactive terminals between different cells. This part of the information is reported by the RRC connection inactive terminal in the RRC connection recovery process. Specifically, it is assumed that the RANAC of the cell A (subordinate to the central node CU) is X, and the RANAC of some cells (all subordinate to the central node CU) is Y, and X is different from Y. The CU counts "the total cell reselection frequency involving A", which includes both cell reselection of any one terminal from cell A to any other cell, and also includes cell reselection of any one terminal from any other cell to cell A. .
  • the CU also counts the "cell reselection frequency between A and Y", which includes both cell reselection from any cell from cell A to any cell with RANAC Y, and also includes any one terminal from any RANAC. Reselection of the cell from cell Y to cell A.
  • the central node CU calculates an indicator according to "the total switching frequency involving A" and "the switching frequency between A and Y".
  • this indicator is above the set threshold, the central node CU decides to optimize the RANAC configuration, changing the RANAC of cell A from X to Y, and triggering the RANAC change procedure.
  • This threshold is mainly determined by the pre-configured parameters, but can also be automatically fine-tuned due to the difference in the number of cells in which the RANAC is X and Y.
  • the central node CU sends a CU configuration update message to the distribution node DU to which the cell A belongs, and the CU configuration update message includes the mapping relationship between the changed cell and the RANAC in the form of an IE or a sub-IE.
  • step 94 the distribution node DU to which the cell A belongs accepts the request, and feeds back the DU configuration update confirmation message to the central node CU.
  • step 93 and step 94 are optional steps, that is, after the central node CU updates the radio access network area code of the cell under its jurisdiction, the updated radio access network area code may be sent to the distribution node DU.
  • the updated radio access network area code may not be sent to the distribution node DU, and is not specifically limited herein.
  • the embodiment of the present disclosure further provides a method for automatically optimizing or updating or changing a radio access network area code based on mobile information of a mobile terminal, thereby reducing operation cost and improving update efficiency of the radio access network area code.
  • an embodiment of the present disclosure further provides a radio access network node, which is applied to a first radio access network node, where the radio access network node includes: a transceiver 120, a memory 110, a processor 100, and a program stored on the memory 110 and executable on the processor 100; the processor 100 is configured to read a program in the memory and control the transceiver 120 to send to the second radio access network node And an interface message, where the interface message includes mapping relationship information between at least one cell of the first radio access network node and a radio access network area code.
  • the transceiver 120 is further configured to:
  • the processor 100 is further configured to:
  • the transceiver 120 is further configured to:
  • the interface message includes a mapping relationship between the changed cell of the first radio access network node and the radio access network area code information.
  • the processor 100 is further configured to:
  • the foregoing technical solutions of the embodiments of the present disclosure provide a manner in which a radio access network area code of a cell is directly interacted between an interface of a first radio access network node and a second radio access network node by using an interface message, Adapt to the CU/DU high-level separation scenario.
  • the radio access network node provided by the foregoing embodiment of the present disclosure is a radio access network node capable of performing the foregoing radio access network area code processing method, and the method for processing the radio access network area code. All embodiments are applicable to the radio access network node and are capable of achieving the same or similar benefits.
  • an embodiment of the present disclosure further provides a processing apparatus for a radio access network area code, which is applied to a first radio access network node, and includes:
  • the sending module 1100 is configured to send an interface message to the second radio access network node, where the interface message includes mapping relationship information between at least one cell of the first radio access network node and a radio access network area code. .
  • the sending module 1100 includes:
  • a first sending submodule configured to send the interface message to the second radio access network node after acquiring a radio access network area code of the at least one subordinate cell of the first radio access network node Or, for transmitting the interface message to the second radio access network node after configuring the radio access network area code for the at least one subordinate cell of the first radio access network node.
  • the sending module 1100 includes:
  • a first acquiring submodule configured to acquire a radio access network area code of the at least one cell of the first radio access network node after the change
  • a second sending submodule configured to send the interface message to the second radio access network node, where the interface message includes at least one cell and wireless of the changed first radio access network node Mapping information of the access network area code.
  • the first obtaining submodule includes:
  • An acquiring unit configured to acquire at least one of the changed first radio access network nodes after determining that the radio access network area code of the at least one subordinate cell of the first radio access network node is changed Radio access network area code of the jurisdictional cell;
  • the radio access network area code of the at least one subordinate cell of the first radio access network node is actively changed, acquiring at least one subordinate cell of the changed first radio access network node Radio access network area code.
  • the foregoing technical solutions of the embodiments of the present disclosure provide a manner in which a radio access network area code of a cell is directly interacted between an interface of a first radio access network node and a second radio access network node by using an interface message, Adapt to the CU/DU high-level separation scenario.
  • the processing apparatus of the radio access network area code provided by the foregoing embodiment of the present disclosure is a processing apparatus of a radio access network area code capable of executing the processing method of the radio access network area code, and the wireless connection is performed. All embodiments of the processing method of the network area code are applicable to the processing apparatus of the area code of the radio access network, and both can achieve the same or similar beneficial effects.
  • the embodiment of the present disclosure further provides a computer readable storage medium, where the computer readable storage medium stores a computer program, and when the computer program is executed by the processor, implements a method for processing a radio access network area code as described above.
  • the various processes of the example can achieve the same technical effect. To avoid repetition, no further details are provided here.
  • the computer readable storage medium such as a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.
  • an embodiment of the present disclosure further provides a radio access network node, which is applied to a first radio access network node, where the radio access network node includes: a transceiver 120, a memory 110, a processor 100, and a program stored on the memory 110 and executable on the processor 100; the processor 100 is configured to read a program in the memory and perform the following process:
  • the mobile information of the mobile terminal in the coverage of the cell under the jurisdiction of the first radio access network node includes:
  • the radio resource controls the switching frequency of the RRC connected state mobile terminal between different subordinate cells of the first radio access network node; and/or,
  • the RRC connects the frequency of reselection between the inactive mobile terminals at different jurisdictions of the first radio access network node.
  • the processor 100 is further configured to:
  • the embodiment of the present disclosure further provides a method for automatically optimizing or updating or changing a radio access network area code based on mobile information of a mobile terminal, thereby reducing operation cost and improving update efficiency of the radio access network area code.
  • the radio access network node provided by the foregoing embodiment of the present disclosure is a radio access network node capable of performing the foregoing radio access network area code processing method, and the method for processing the radio access network area code. All embodiments are applicable to the radio access network node and are capable of achieving the same or similar benefits.
  • an embodiment of the present disclosure further provides a processing apparatus for a radio access network area code, which is applied to a first radio access network node, where the apparatus includes:
  • the information acquiring module 1300 is configured to acquire mobile information of the mobile terminal in the coverage area of the cell under the jurisdiction of the first radio access network node;
  • the changing module 1310 is configured to change, according to the mobile information of the mobile terminal, a radio access network area code of at least one cell of the first radio access network node.
  • the mobile information of the mobile terminal in the coverage of the cell under the jurisdiction of the first radio access network node includes:
  • the radio resource controls the switching frequency of the RRC connected state mobile terminal between different subordinate cells of the first radio access network node; and/or,
  • the RRC connects the frequency of reselection between the inactive mobile terminals at different jurisdictions of the first radio access network node.
  • the changing module 1310 includes:
  • a change submodule configured to input mobile information of the mobile terminal into a preset decision formula, and change the wireless of the at least one cell of the first radio access network node if the preset decision formula is satisfied Access network area code.
  • the embodiments of the present disclosure further provide a method for automatically optimizing or updating or changing a radio access network area code based on mobile information of a mobile terminal, thereby reducing operation cost and improving update efficiency of the radio access network area code.
  • the processing apparatus of the radio access network area code provided by the foregoing embodiment of the present disclosure is a processing apparatus of a radio access network area code capable of executing the processing method of the radio access network area code, and the wireless connection is performed. All embodiments of the processing method of the network area code are applicable to the processing apparatus of the area code of the radio access network, and both can achieve the same or similar beneficial effects.
  • the embodiment of the present disclosure further provides a computer readable storage medium, where the computer readable storage medium stores a computer program, and when the computer program is executed by the processor, implements a method for processing a radio access network area code as described above.
  • the various processes of the example can achieve the same technical effect. To avoid repetition, no further details are provided here.
  • the computer readable storage medium such as a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.

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Abstract

本公开提供一种无线接入网区域码的处理方法、装置及无线接入网节点，该方法包括：向第二无线接入网节点发送接口消息，所述接口消息中包含第一无线接入网节点的至少一个下辖小区与无线接入网区域码的映射关系信息。

Description

无线接入网区域码的处理方法、装置及无线接入网节点
相关申请的交叉引用
本申请主张在2018年4月3日在中国提交的中国专利申请号No.201810298566.5的优先权，其全部内容通过引用包含于此。
技术领域
本公开涉及通信技术领域，尤其涉及一种无线接入网区域码的处理方法、装置及无线接入网节点。
背景技术
在新空口NR及类似系统中，一个逻辑上的无线接入网节点(RAN node)可以进一步划分为一个中心节点(Central Unit，即CU)与多个分布节点(Distributed Unit，即DU)，这种结构称作“CU/DU分离(CU/DU split)”。CU与DU之间以F1或类似接口连接。无线接入网节点与核心网的GTP连接终止于CU，而无线接入网节点与移动终端的空口连接终止于DU。CU/DU分离的一类方案被称作“高层分离(High Layer Split)”，在高层分离中PHY层(物理层)与RF层均位于DU。
在NR及类似系统中，一个跟踪区域(Tracking Area，TA)可以被进一步细分为多个无线接入网区域(RAN Area)。在一个无线接入网区域内，这些子区域由无线接入网区域码(RAN Area Code，即RANAC)所唯一标识。无线接入网区域码主要用于RRC Inactive(RRC连接非激活态)场景：当移动终端(UE)进入连接态时，无线接入网会给终端配置一个无线接入网通知区域(RAN Notification Area，即RNA)，这个RNA可以表示为RAN Area列表。当终端进入连接态以后，它会通过小区的RMSI(Remaining minimum system information，剩余最小系统消息)广播来了解当前小区的跟踪区域和无线接入网区域码，并推断当前小区是否属于无线接入网通知区域。
在CU/DU高层分离场景下，DU需要知道其每个小区的无线接入网区域码用以编码RMSI广播，同时CU也需要知道下辖DU的每个小区的无线接 入网区域码用于配置无线资源控制RRC消息。
在相关技术中，RMSI由DU编码生成。鉴于RMSI内含有RANAC信息，这有意味着DU需要知道其下辖的每个小区的RANAC。另一方面，在相关技术中，使移动终端进入RRC Inactive状态的RRC消息由CU编码生成，这个消息内须含有RNA(RAN Notification Area，无线接入网通知区域)配置信息。为了恰当地配置RNA，CU同样需要了解其下辖的每个小区的RANAC。
综上，CU和DU都需要了解其下辖的每个小区的RANAC，然而相关技术中没有任何接口消息能够在CU与DU之间直接交互小区到RANAC的映射关系信息。进一步的，如果所有RANAC均需要OAM(操作管理维护)手动分配或优化，那么会导致运营成本较高。
发明内容
本公开实施例的目的在于提供一种无线接入网区域码的处理方法、装置及无线接入网节点，以解决相关技术中无线接入网节点之间无法交互各自下辖小区的无线接入网区域码的问题。
为了解决上述问题，本公开实施例提供一种无线接入网区域码的处理方法，应用于第一无线接入网节点，包括：
向第二无线接入网节点发送接口消息，所述接口消息中包含所述第一无线接入网节点的至少一个下辖小区与无线接入网区域码的映射关系信息。
其中，所述向第二无线接入网节点发送接口消息，包括：
在获取到所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码之后，向所述第二无线接入网节点发送所述接口消息；
或者，
在为所述第一无线接入网节点的至少一个下辖小区配置了无线接入网区域码之后，向所述第二无线接入网节点发送所述接口消息。
其中，所述向第二无线接入网节点发送接口，包括：
获取变更后的所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码；
向所述第二无线接入网节点发送所述接口消息；所述接口消息中包含变 更后的所述第一无线接入网节点的至少一个下辖小区与无线接入网区域码的映射关系信息。
其中，所述获取变更后的所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码，包括：
在确定所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码发生变更之后，获取变更后的所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码；
或者，
在主动变更所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码之后，获取变更后的所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码。
本公开实施例还提供一种无线接入网区域码的处理方法，应用于第一无线接入网节点，所述方法包括：
获取所述第一无线接入网节点的下辖小区的覆盖范围内的移动终端的移动信息；
根据所述移动终端的移动信息，变更所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码。
其中，所述第一无线接入网节点的下辖小区的覆盖范围内的移动终端的移动信息包括：
无线资源控制RRC连接态移动终端在所述第一无线接入网节点的不同下辖小区之间的切换频次；和/或，
RRC连接非激活态移动终端在所述第一无线接入网节点的不同下辖小区之间的重选频次。
其中，所述根据所述移动终端的移动信息，变更所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码，包括：
将所述移动终端的移动信息输入预设判决式，在满足所述预设判决式的情况下，变更所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码。
本公开实施例还提供一种无线接入网节点，应用于第一无线接入网节点， 所述无线接入网节点包括：存储器、处理器及存储在所述存储器上并可在所述处理器上运行的程序；所述处理器执行所述程序时，实现如下步骤：向第二无线接入网节点发送接口消息，所述接口消息中包含所述第一无线接入网节点的至少一个下辖小区与无线接入网区域码的映射关系信息。
其中，所述处理器还用于：
在获取到所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码之后，向所述第二无线接入网节点发送所述接口消息；
或者，
在为所述第一无线接入网节点的至少一个下辖小区配置了无线接入网区域码之后，向所述第二无线接入网节点发送所述接口消息。
其中，所述处理器还用于：
获取变更后的所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码；
向所述第二无线接入网节点发送所述接口消息；所述接口消息中包含变更后的所述第一无线接入网节点的至少一个下辖小区与无线接入网区域码的映射关系信息。
其中，处理器还用于：
在确定所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码发生变更之后，获取变更后的所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码；
或者，
在主动变更所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码之后，获取变更后的所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码。
本公开实施例还提供一种无线接入网区域码的处理装置，应用于第一无线接入网节点，包括：
发送模块，用于向第二无线接入网节点发送接口消息，所述接口消息中包含所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码。
本公开实施例还提供一种计算机可读存储介质，所述计算机可读存储介 质上存储程序，所述程序被处理器执行时实现如上所述的无线接入网区域码的处理方法的步骤。
本公开实施例还提供一种无线接入网节点，应用于第一无线接入网节点，所述无线接入网节点包括：存储器、处理器及存储在所述存储器上并可在所述处理器上运行的程序，所述处理器执行所述程序时，实现如下步骤：
获取所述第一无线接入网节点的下辖小区的覆盖范围内的移动终端的移动信息；
根据所述移动终端的移动信息，变更所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码。
其中，所述第一无线接入网节点的下辖小区的覆盖范围内的移动终端的移动信息包括：
无线资源控制RRC连接态移动终端在所述第一无线接入网节点的不同下辖小区之间的切换频次；和/或，
RRC连接非激活态移动终端在所述第一无线接入网节点的不同下辖小区之间的重选频次。
其中，所述处理器还用于：
将所述移动终端的移动信息输入预设判决式，在满足所述预设判决式的情况下，变更所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码。
本公开实施例还提供一种无线接入网区域码的处理装置，应用于第一无线接入网节点，所述装置包括：
获取模块，用于获取所述第一无线接入网节点的下辖小区的覆盖范围内的移动终端的移动信息；
变更模块，用于根据所述移动终端的移动信息，变更所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码。
本公开实施例还提供一种计算机可读存储介质，所述计算机可读存储介质上存储程序，所述程序被处理器执行时实现如上所述的无线接入网区域码的处理方法的步骤。
本公开的上述技术方案提供了第一无线接入网节点和第二无线接入网节 点之间通过一接口消息直接交互下辖小区的无线接入网区域码的方式，以适应CU/DU高层分离场景。
附图说明
图1表示本公开实施例提供的无线接入网区域码的处理方法的步骤流程图之一；
图2表示本公开实施例提供的无线接入网区域码的处理方法中示例一的交互示意图；
图3表示本公开实施例提供的无线接入网区域码的处理方法中示例二的交互示意图；
图4表示本公开实施例提供的无线接入网区域码的处理方法中示例三的交互示意图；
图5表示本公开实施例提供的无线接入网区域码的处理方法中示例四的交互示意图；
图6表示本公开实施例提供的无线接入网区域码的处理方法中示例五的交互示意图；
图7表示本公开实施例提供的无线接入网区域码的处理方法中示例六的交互示意图；
图8表示本公开实施例提供的无线接入网区域码的处理方法的步骤流程图之二；
图9表示本公开实施例提供的无线接入网区域码的处理方法中示例七的交互示意图；
图10表示本公开实施例提供的无线接入网区域码的处理方法中示例八的交互示意图；
图11表示本公开实施例提供的无线接入网节点的结构示意图；
图12表示本公开实施例提供的无线接入网区域码的处理装置的结构示意图之一；
图13表示本公开实施例提供的无线接入网区域码的处理装置的结构示意图之二。
具体实施方式
为使本公开要解决的技术问题、技术方案和优点更加清楚，下面将结合附图及具体实施例进行详细描述。
如图1所示，本公开实施例提供一种无线接入网区域码的处理方法，应用于第一无线接入网节点，包括：
步骤101，向第二无线接入网节点发送接口消息，所述接口消息中包含所述第一无线接入网节点的至少一个下辖小区与无线接入网区域码的映射关系信息。
本步骤中，该接口消息以信息元素(Information Element，即IE)或子IE的形式包含至少一个下辖小区与无线接入网区域码的映射关系信息。具体的，至少一个下辖小区与无线接入网区域码的映射关系信息：至少一个下辖小区的标识信息，以及，每个下辖小区的无线接入网区域码。例如，利用接口消息中的IE或子IE指示某一小区的无线接入网区域码。
可选的，第二无线接入网节点接收到包含第一无线接入网节点的至少一个下辖小区与无线接入网区域码的映射关系信息的接口信息，那么第二无线接入网节点将所收到的接口消息之后的无线接入网区域码记录到第二无线接入网节点的存储器中，或者，用所收到的接口消息中的无线接入网区域码替换第二无线接入网节点存储中的某个原有无线接入网区域码。
需要说明的是，至少一个下辖小区与无线接入网区域码的映射关系信息可以通过表格来清楚明了的呈现，也可以通过其他映射格式来显现，在此不作具体限定。进一步的，下辖小区与无线接入网区域码可以是一对一映射的关系，也可以是多对一映射的关系，即一个小区只有一个无线接入网区域码，但一个无线接入网区域码可以对应一个小区也可以对应多个小区。
例如，第一无线接入网节点包含的下辖小区为：小区1、小区2、小区3以及小区4。接口消息中包含：小区1、小区2与无线接入网区域码的映射关系信息；即接口消息中包含：小区1的标识信息、小区1的无线接入网区域码、小区2的标识信息、小区2的无线接入网区域码。需要说明的是，若小区1的无线接入网区域码和小区2的无线接入网区域码相同，在接口消息中 可以仅包含一个无线接入网区域码，但需要通过其他信息指示小区1和小区2与该无线接入网区域码的映射关系，在此不详细赘述。
进一步需要说明的是，本公开实施例提供的上述无线接入网区域码的处理方法主要适用于中心节点CU/分布节点DU分离结构，上述实施例中提及的第一无线接入网节点可以是中心节点CU，也可以是分布节点DU；上述实施例中提及的第二无线接入网节点可以是分布节点DU，也可以是中心节点CU。
本公开的一具体应用中，第一无线接入网节点是中心节点CU时，第二无线接入网节点是分布节点DU的情况下，步骤101具体为：中心节点CU向该中心节点CU下的所有分布节点DU分别发送所述接口消息。
本公开的另一具体应用中，第一无线接入网节点是分布节点DU时，第二无线接入网节点是中心节点CU的情况下，步骤101具体为：分布节点DU向其所属的中心节点CU发送所述接口消息。
本公开的又一具体应用中，第一无线接入网节点和第二无线接入网节点均为中心节点CU的情况下，步骤101具体为：一个中心节点CU向另一个中心节点CU发送所述接口消息(假设这两个中心节点需要共享其下辖小区的无线接入网区域码的情况下)。
本公开的又一具体应用中，第一无线接入网节点和第二无线接入网节点均为分布节点DU的情况下，步骤101具体为：一个分布节点DU向另一个分布节点DU发送所述接口消息(假设这两个分布节点需要共享其下辖小区的无线接入网区域码的情况下)。通常情况下，共享下辖小区的无线接入网区域码的分布节点从属于一个中心节点CU，但是也不排除不同中心节点CU下的分布节点DU之间交互小区的无线接入网区域码的情况，在此不作具体限定。
承接上例，本公开的上述实施例中，步骤101包括：
在获取到所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码之后，向所述第二无线接入网节点发送所述接口消息；即其他设备或用户为第一无线接入网节点的至少一个下辖小区配置无线接入网区域码并将配置结果告知所述第一无线接入网节点。
或者，
在为所述第一无线接入网节点的至少一个下辖小区配置了无线接入网区域码之后，向所述第二无线接入网节点发送所述接口消息；即第一无线接入网节点自主为其至少一个下辖小区配置无线接入网区域码。
示例一：F1建立过程，OAM(操作维护管理)配置小区的无线接入网区域码RANAC并告知分布节点DU(第一无线接入网节点为分布节点DU)，如图2所示，中心节点CU和分布节点DU之间的交互如下：
步骤21，OAM给分布节点DU的下辖小区分别配置无线接入网区域码，并将配置结果告知分布节点DU。
步骤22，分布节点DU向中心节点CU发送F1建立请求消息(即接口消息)，该F1建立请求消息内包含分布节点DU的下辖小区与无线接入网区域码的映射关系信息。
步骤23，中心节点CU接收到所述F1建立请求消息，向分布节点DU反馈F1建立响应消息。其中，中心节点CU根据F1建立请求消息携带的内容能够确定分布节点DU的下辖小区的无线接入网区域码。
示例二：F1建立过程，分布节点DU(第一无线接入网节点为分布节点DU)自主配置其下辖小区的无线接入网区域码，如图3所示，中心节点CU和分布节点DU之间的交互如下：
步骤31，分布节点DU为其下辖小区分别配置无线接入网区域码。
步骤32，分布节点DU向中心节点CU发送F1建立请求消息(即接口消息)，该F1建立请求消息内包含分布节点DU的下辖小区与无线接入网区域码的映射关系信息。
步骤33，中心节点CU接收到所述F1建立请求消息，向分布节点DU反馈F1建立响应消息。其中，中心节点CU根据F1建立请求消息携带的内容能够确定分布节点DU的下辖小区的无线接入网区域码。
示例三：F1建立过程，OAM(操作维护管理)配置小区的无线接入网区域码RANAC并告知中心节点CU(第一无线接入网节点为中心节点CU)，如图4所示，中心节点CU和分布节点DU之间的交互如下：
步骤41，OAM给中心节点CU的下辖小区分别配置无线接入网区域码， 并将配置结果告知中心节点CU。
步骤42，分布节点DU向中心节点CU发送F1建立请求消息；
步骤43，中心节点CU接收到所述F1建立请求消息，向分布节点DU反馈F1建立响应消息(即接口消息)，该F1建立响应消息内包含中心节点CU的下辖小区与无线接入网区域码的映射关系信息。则分布节点DU根据F1建立响应消息携带的内容能够确定中心节点CU的下辖小区的无线接入网区域码。
示例四：F1建立过程，中心节点CU(第一无线接入网节点为中心节点CU)自主配置其下辖小区的无线接入网区域码，如图5所示，中心节点CU和分布节点DU之间的交互如下：
步骤51，中心节点CU为其下辖小区分别配置无线接入网区域码。
步骤52，分布节点DU向中心节点CU发送F1建立请求消息；
步骤53，中心节点CU接收到所述F1建立请求消息，向分布节点DU反馈F1建立响应消息(即接口消息)，该F1建立响应消息内包含中心节点CU的下辖小区与无线接入网区域码的映射关系信息。则分布节点DU根据F1建立响应消息携带的内容能够确定中心节点CU的下辖小区的无线接入网区域码。
承接上例，本公开的上述实施例中，步骤101包括：
获取变更后的所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码；
向所述第二无线接入网节点发送所述接口消息；所述接口消息中包含变更后的所述第一无线接入网节点的至少一个下辖小区与无线接入网区域码的映射关系信息。
可选的，所述获取变更后的所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码，包括：
在确定所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码发生变更之后(即其他设备或用户对至少一个下辖小区的无线接入网区域码进行变更)，获取变更后的所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码；
或者，
在主动变更所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码之后(即第一无线接入网节点主动变更其下辖小区的无线接入网区域码)，获取变更后的所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码。
示例五：分布节点DU配置更新过程，OAM更新了小区的无线接入网区域码并告知分布节点DU(第一无线接入网节点为分布节点DU)，如图6所示，中心节点CU和分布节点DU之间的交互如下：
步骤61，OAM更新了小区的无线接入网区域码，并将更新结果告知分布节点DU。
步骤62，分布节点DU向中心节点CU发送DU配置更新消息(即接口消息)，该DU配置更新消息内包含分布节点DU的下辖小区与无线接入网区域码的映射关系信息。
步骤63，中心节点CU接收到DU配置更新消息之后，向分布节点DU反馈DU配置更新确认消息。其中，中心节点CU根据DU配置更新消息携带的内容能够确定分布节点DU的下辖小区的无线接入网区域码。
示例六：分布节点DU配置更新过程，分布节点DU自主更新小区的无线接入网区域码，如图7所示，中心节点CU和分布节点DU之间的交互如下：
步骤71，分布节点DU更新了小区的无线接入网区域码；
步骤72，分布节点DU向中心节点CU发送DU配置更新消息(即接口消息)，该DU配置更新消息内包含分布节点DU的下辖小区与无线接入网区域码的映射关系信息。
步骤73，中心节点CU接收到DU配置更新消息之后，向分布节点DU反馈DU配置更新确认消息。其中，中心节点CU根据DU配置更新消息携带的内容能够确定分布节点DU的下辖小区的无线接入网区域码。
综上，本公开实施例的上述技术方案提供了第一无线接入网节点和第二无线接入网节点之间通过一接口消息直接交互下辖小区的无线接入网区域码的方式，以适应CU/DU高层分离场景；
如图8所示，本公开实施例还提供一种无线接入网区域码的处理方法，应用于第一无线接入网节点，其中，所述方法包括：
步骤801，获取所述第一无线接入网节点的下辖小区的覆盖范围内的移动终端的移动信息；
步骤802，根据所述移动终端的移动信息，变更所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码。
具体的，本公开的实施例还提供一种无线接入网节点基于移动终端的移动信息自动优化或更新或变更无线接入网区域码的方式，从而降低运营成本，并提升无线接入网区域码的更新效率。
需要说明的是，本公开实施例提供的上述无线接入网区域码的处理方法主要适用于中心节点CU/分布节点DU分离结构，上述实施例中提及的第一无线接入网节点可以是中心节点CU，也可以是分布节点DU。
可选的，所述第一无线接入网节点的下辖小区的覆盖范围内的移动终端的移动信息包括：
无线资源控制RRC连接态移动终端在所述第一无线接入网节点的不同下辖小区之间的切换频次；和/或，
RRC连接非激活态移动终端在所述第一无线接入网节点的不同下辖小区之间的重选频次，该信息是RRC Inactive(RRC连接非激活态)终端在RRC连接恢复过程中获取。
进一步的，所述根据所述移动终端的移动信息，变更所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码，包括：
将所述移动终端的移动信息输入预设判决式，在满足所述预设判决式的情况下，变更所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码。
简言之，第一无线接入网节点能够收集并统计其覆盖范围内的所有移动终端的移动信息，所述移动终端既可以包括RRC连接态终端的切换信息(从一个小区切换到另一个小区)，还可以包括RRC连接非激活态终端在RRC连接恢复信息所携带的小区驻留信息(等价于小区重选记录，统计该终端从哪一个小区重选至哪一个小区)。且本公开实施例预先定义一预设判决式，该预 设判决式的输入包括移动终端的移动信息。小区与预设判决式之间存在一对一或者一对多的映射关系，当该判决式满足时，触发无线接入网区域码的更新过程，以变更该小区的无线接入网区域码。
需要说明的是，基于移动信息自主更新小区的无线接入网区域码时，其第一无线接入网节点一般为中心节点CU(由于中心节点CU统计的移动信息更为全面，则更新过程的触发更为准确)，但是也不排除其第一无线接入网节点为分布节点DU的情况，在此不作具体限定。
示例七：中心节点CU配置更新过程，中心节点CU根据RRC连接态终端的切换频次统计自主更新小区的无线接入网区域码。如图9所示：
步骤81，中心节点CU收集并统计所有连接态终端在不同小区之间切换的频次。特别地，设小区A(从属于该中心节点CU)的无线接入网区域码RANAC为X，另有一些小区(均从属于该中心节点CU)的无线接入网区域码RANAC为Y，X不同于Y。中心节点CU统计了“涉及A的总切换频次”，其中既包括任何一个终端从小区A到任何一个其他小区的切换，也包括任何一个终端从任何一个其他小区到小区A的切换。同时，中心节点CU也统计了“A与Y之间的切换频次”，其中既包括任何一个终端从小区A到任何一个RANAC为Y的小区的切换，也包括任何一个终端从任何一个RANAC为Y的小区到小区A的切换。
步骤82，中心节点CU根据“涉及A的总切换频次”及“A与Y之间的切换频次”计算出一个指标。当这个指标高于设定的阈值时，中心节点CU决定优化RANAC配置，将小区A的RANAC由X变更为Y，并触发了RANAC变更过程。这个阈值主要取决于预配的参数，但也可以因RANAC为X、Y的小区个数的不同而自动地微调。
步骤83，中心节点CU向小区A所属的分布节点DU发送CU配置更新消息，该CU配置更新消息内以IE或子IE的形式包含发生变更的小区与RANAC的映射关系信息。
步骤84，小区A所属的分布节点DU接受了这个请求，向中心节点CU反馈DU配置更新确认消息。
需要说明的是，步骤83及步骤84为可选的步骤，即中心节点CU更新 其下辖小区的无线接入网区域码之后，可以将更新后的无线接入网区域码发送给分布节点DU，也可以不将更新后的无线接入网区域码发送给分布节点DU，在此不作具体限定。
示例八：中心节点CU配置更新过程，中心节点CU根据RRC连接非激活态终端的小区重选频次统计自主更新小区的无线接入网区域码。如图10所示：
步骤91，中心节点CU收集并统计所有RRC连接非激活态终端在不同小区之间进行小区重选的频次，这部分信息由RRC连接非激活态终端在RRC连接恢复过程中上报。特别地，设小区A(从属于该中心节点CU)的RANAC为X，另有一些小区(均从属于该中心节点CU)的RANAC为Y，X不同于Y。CU统计了“涉及A的总小区重选频次”，其中既包括任何一个终端从小区A到任何一个其他小区的小区重选，也包括任何一个终端从任何一个其他小区到小区A的小区重选。同时，CU也统计了“A与Y之间的小区重选频次”，其中既包括任何一个终端从小区A到任何一个RANAC为Y的小区的小区重选，也包括任何一个终端从任何一个RANAC为Y的小区到小区A的小区重选。
步骤92，中心节点CU根据“涉及A的总切换频次”及“A与Y之间的切换频次”计算出一个指标。当这个指标高于设定的阈值时，中心节点CU决定优化RANAC配置，将小区A的RANAC由X变更为Y，并触发了RANAC变更过程。这个阈值主要取决于预配的参数，但也可以因RANAC为X、Y的小区个数的不同而自动地微调。
步骤93，中心节点CU向小区A所属的分布节点DU发送CU配置更新消息，该CU配置更新消息内以IE或子IE的形式包含发生变更的小区与RANAC的映射关系信息。
步骤94，小区A所属的分布节点DU接受了这个请求，向中心节点CU反馈DU配置更新确认消息。
需要说明的是，步骤93及步骤94为可选的步骤，即中心节点CU更新其下辖小区的无线接入网区域码之后，可以将更新后的无线接入网区域码发送给分布节点DU，也可以不将更新后的无线接入网区域码发送给分布节点 DU，在此不作具体限定。
综上，本公开实施例还提供一种基于移动终端的移动信息自动优化或更新或变更无线接入网区域码的方式，从而降低运营成本，并提升无线接入网区域码的更新效率。
如图11所示，本公开实施例还提供一种无线接入网节点，应用于第一无线接入网节点，所述无线接入网节点包括：收发机120、存储器110、处理器100及存储在所述存储器110上并可在所述处理器100上运行的程序；所述处理器100用于读取存储器中的程序，并控制所述收发机120向第二无线接入网节点发送接口消息，所述接口消息中包含所述第一无线接入网节点的至少一个下辖小区与无线接入网区域码的映射关系信息。
可选的，本公开的上述实施例中，所述收发机120还用于：
在获取到所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码之后，向所述第二无线接入网节点发送所述接口消息；
或者，
在为所述第一无线接入网节点的至少一个下辖小区配置了无线接入网区域码之后，向所述第二无线接入网节点发送所述接口消息。
可选的，本公开的上述实施例中，所述处理器100还用于：
获取变更后的所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码；
所述收发机120还用于：
向所述第二无线接入网节点发送所述接口消息；所述接口消息中包含变更后的所述第一无线接入网节点的至少一个下辖小区与无线接入网区域码的映射关系信息。
可选的，本公开的上述实施例中，处理器100还用于：
在确定所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码发生变更之后，获取变更后的所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码；
或者，
在主动变更所述第一无线接入网节点的至少一个下辖小区的无线接入网 区域码之后，获取变更后的所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码。
综上，本公开实施例的上述技术方案提供了第一无线接入网节点和第二无线接入网节点之间通过一接口消息直接交互下辖小区的无线接入网区域码的方式，以适应CU/DU高层分离场景。
需要说明的是，本公开的上述实施例提供的无线接入网节点是能够执行上述无线接入网区域码的处理方法的无线接入网节点，则上述无线接入网区域码的处理方法的所有实施例均适用于该无线接入网节点，且均能够达到相同或相似的有益效果。
如图12所示，本公开实施例还提供一种无线接入网区域码的处理装置，应用于第一无线接入网节点，包括：
发送模块1100，用于向第二无线接入网节点发送接口消息，所述接口消息中包含所述第一无线接入网节点的至少一个下辖小区与无线接入网区域码的映射关系信息。
可选的，本公开的上述实施例中，所述发送模块1100包括：
第一发送子模块，用于在获取到所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码之后，向所述第二无线接入网节点发送所述接口消息；或者，用于在为所述第一无线接入网节点的至少一个下辖小区配置了无线接入网区域码之后，向所述第二无线接入网节点发送所述接口消息。
可选的，本公开的上述实施例中，所述发送模块1100包括：
第一获取子模块，用于获取变更后的所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码；
第二发送子模块，用于向所述第二无线接入网节点发送所述接口消息；所述接口消息中包含变更后的所述第一无线接入网节点的至少一个下辖小区与无线接入网区域码的映射关系信息。
可选的，本公开的上述实施例中，所述第一获取子模块包括：
获取单元，用于在确定所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码发生变更之后，获取变更后的所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码；
或者，用于在主动变更所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码之后，获取变更后的所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码。
综上，本公开实施例的上述技术方案提供了第一无线接入网节点和第二无线接入网节点之间通过一接口消息直接交互下辖小区的无线接入网区域码的方式，以适应CU/DU高层分离场景。
需要说明的是，本公开的上述实施例提供的无线接入网区域码的处理装置是能够执行上述无线接入网区域码的处理方法的无线接入网区域码的处理装置，则上述无线接入网区域码的处理方法的所有实施例均适用于该无线接入网区域码的处理装置，且均能够达到相同或相似的有益效果。
本公开实施例还提供一种计算机可读存储介质，所述计算机可读存储介质上存储计算机程序，所述计算机程序被处理器执行时实现如上所述的无线接入网区域码的处理方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。其中，所述的计算机可读存储介质，如只读存储器(Read-Only Memory，简称ROM)、随机存取存储器(Random Access Memory，简称RAM)、磁碟或者光盘等。
如图11所示，本公开实施例还提供一种无线接入网节点，应用于第一无线接入网节点，所述无线接入网节点包括：收发机120、存储器110、处理器100及存储在所述存储器110上并可在所述处理器100上运行的程序；所述处理器100用于读取存储器中的程序，并执行下述过程：
获取所述第一无线接入网节点的下辖小区的覆盖范围内的移动终端的移动信息；
根据所述移动终端的移动信息，变更所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码。
可选的，本公开的上述实施例中，所述第一无线接入网节点的下辖小区的覆盖范围内的移动终端的移动信息包括：
无线资源控制RRC连接态移动终端在所述第一无线接入网节点的不同下辖小区之间的切换频次；和/或，
RRC连接非激活态移动终端在所述第一无线接入网节点的不同下辖小区 之间的重选频次。
可选的，本公开的上述实施例中，所述处理器100还用于：
将所述移动终端的移动信息输入预设判决式，在满足所述预设判决式的情况下，变更所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码。
综上，本公开实施例还提供一种基于移动终端的移动信息自动优化或更新或变更无线接入网区域码的方式，从而降低运营成本，并提升无线接入网区域码的更新效率。
需要说明的是，本公开的上述实施例提供的无线接入网节点是能够执行上述无线接入网区域码的处理方法的无线接入网节点，则上述无线接入网区域码的处理方法的所有实施例均适用于该无线接入网节点，且均能够达到相同或相似的有益效果。
如图13所示，本公开实施例还提供一种无线接入网区域码的处理装置，应用于第一无线接入网节点，所述装置包括：
信息获取模块1300，用于获取所述第一无线接入网节点的下辖小区的覆盖范围内的移动终端的移动信息；
变更模块1310，用于根据所述移动终端的移动信息，变更所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码。
可选的，本公开的上述实施例中，所述第一无线接入网节点的下辖小区的覆盖范围内的移动终端的移动信息包括：
无线资源控制RRC连接态移动终端在所述第一无线接入网节点的不同下辖小区之间的切换频次；和/或，
RRC连接非激活态移动终端在所述第一无线接入网节点的不同下辖小区之间的重选频次。
可选的，本公开的上述实施例中，所述变更模块1310包括：
变更子模块，用于将所述移动终端的移动信息输入预设判决式，在满足所述预设判决式的情况下，变更所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码。
综上，本公开实施例还提供一种基于移动终端的移动信息自动优化或更 新或变更无线接入网区域码的方式，从而降低运营成本，并提升无线接入网区域码的更新效率。
需要说明的是，本公开的上述实施例提供的无线接入网区域码的处理装置是能够执行上述无线接入网区域码的处理方法的无线接入网区域码的处理装置，则上述无线接入网区域码的处理方法的所有实施例均适用于该无线接入网区域码的处理装置，且均能够达到相同或相似的有益效果。
本公开实施例还提供一种计算机可读存储介质，所述计算机可读存储介质上存储计算机程序，所述计算机程序被处理器执行时实现如上所述的无线接入网区域码的处理方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。其中，所述的计算机可读存储介质，如只读存储器(Read-Only Memory，简称ROM)、随机存取存储器(Random Access Memory，简称RAM)、磁碟或者光盘等。
需要说明的是，在本文中，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件，但很多情况下前者是更佳的实施方式。基于这样的理解，本公开的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中，包括若干指令用以使得一台终端(可以是手机、计算机、服务器、空调器，或者网络设备等)执行本公开各个实施例所述的方法。
上面结合附图对本公开的实施例进行了描述，但是本公开并不局限于上述的具体实施方式，上述的具体实施方式仅仅是示意性的，而不是限制性的，本领域的普通技术人员在本公开的启示下，在不脱离本公开宗旨和权利要求所保护的范围情况下，还可做出很多形式，均属于本公开的保护之内。
以上所述是本公开的可选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本公开所述原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本公开的保护范围。

Claims (18)

  1. 一种无线接入网区域码的处理方法，应用于第一无线接入网节点，包括：
    向第二无线接入网节点发送接口消息，所述接口消息中包含所述第一无线接入网节点的至少一个下辖小区与无线接入网区域码的映射关系信息。
  2. 根据权利要求1所述的方法，其中，所述向第二无线接入网节点发送接口消息，包括：
    在获取到所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码之后，向所述第二无线接入网节点发送所述接口消息；
    或者，
    在为所述第一无线接入网节点的至少一个下辖小区配置了无线接入网区域码之后，向所述第二无线接入网节点发送所述接口消息。
  3. 根据权利要求1所述的方法，其中，所述向第二无线接入网节点发送接口，包括：
    获取变更后的所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码；
    向所述第二无线接入网节点发送所述接口消息；所述接口消息中包含变更后的所述第一无线接入网节点的至少一个下辖小区与无线接入网区域码的映射关系信息。
  4. 根据权利要求3所述的方法，其中，所述获取变更后的所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码，包括：
    在确定所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码发生变更之后，获取变更后的所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码；
    或者，
    在主动变更所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码之后，获取变更后的所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码。
  5. 一种无线接入网区域码的处理方法，应用于第一无线接入网节点，包括：
    获取所述第一无线接入网节点的下辖小区的覆盖范围内的移动终端的移动信息；
    根据所述移动终端的移动信息，变更所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码。
  6. 根据权利要求5所述的方法，其中，所述第一无线接入网节点的下辖小区的覆盖范围内的移动终端的移动信息包括：
    无线资源控制RRC连接态移动终端在所述第一无线接入网节点的不同下辖小区之间的切换频次；和/或，
    RRC连接非激活态移动终端在所述第一无线接入网节点的不同下辖小区之间的重选频次。
  7. 根据权利要求5或6所述的方法，其中，所述根据所述移动终端的移动信息，变更所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码，包括：
    将所述移动终端的移动信息输入预设判决式，在满足所述预设判决式的情况下，变更所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码。
  8. 一种无线接入网节点，应用于第一无线接入网节点，所述无线接入网节点包括：存储器、处理器及存储在所述存储器上并可在所述处理器上运行的程序；其中，所述处理器执行所述程序时，实现如下步骤：
    向第二无线接入网节点发送接口消息，所述接口消息中包含所述第一无线接入网节点的至少一个下辖小区与无线接入网区域码的映射关系信息。
  9. 根据权利要求8所述的无线接入网节点，其中，所述处理器还用于：
    在获取到所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码之后，向所述第二无线接入网节点发送所述接口消息；
    或者，
    在为所述第一无线接入网节点的至少一个下辖小区配置了无线接入网区域码之后，向所述第二无线接入网节点发送所述接口消息。
  10. 根据权利要求8所述的无线接入网节点，其中，所述处理器还用于：
    获取变更后的所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码；
    向所述第二无线接入网节点发送所述接口消息；所述接口消息中包含变更后的所述第一无线接入网节点的至少一个下辖小区与无线接入网区域码的映射关系信息。
  11. 根据权利要求10所述的无线接入网节点，其中，处理器还用于：
    在确定所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码发生变更之后，获取变更后的所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码；
    或者，
    在主动变更所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码之后，获取变更后的所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码。
  12. 一种无线接入网区域码的处理装置，应用于第一无线接入网节点，包括：
    发送模块，用于向第二无线接入网节点发送接口消息，所述接口消息中包含所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码。
  13. 一种计算机可读存储介质，其中，所述计算机可读存储介质上存储程序，所述程序被处理器执行时实现如权利要求1至4中任一项所述的无线接入网区域码的处理方法的步骤。
  14. 一种无线接入网节点，应用于第一无线接入网节点，所述无线接入网节点包括：存储器、处理器及存储在所述存储器上并可在所述处理器上运行的程序；其中，所述处理器执行所述程序时，实现如下步骤：
    获取所述第一无线接入网节点的下辖小区的覆盖范围内的移动终端的移动信息；
    根据所述移动终端的移动信息，变更所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码。
  15. 根据权利要求14所述的无线接入网节点，其中，所述第一无线接入 网节点的下辖小区的覆盖范围内的移动终端的移动信息包括：
    无线资源控制RRC连接态移动终端在所述第一无线接入网节点的不同下辖小区之间的切换频次；和/或，
    RRC连接非激活态移动终端在所述第一无线接入网节点的不同下辖小区之间的重选频次。
  16. 根据权利要求14或15所述的无线接入网节点，其中，所述处理器还用于：
    将所述移动终端的移动信息输入预设判决式，在满足所述预设判决式的情况下，变更所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码。
  17. 一种无线接入网区域码的处理装置，应用于第一无线接入网节点，所述装置包括：
    获取模块，用于获取所述第一无线接入网节点的下辖小区的覆盖范围内的移动终端的移动信息；
    变更模块，用于根据所述移动终端的移动信息，变更所述第一无线接入网节点的至少一个下辖小区的无线接入网区域码。
  18. 一种计算机可读存储介质，所述计算机可读存储介质上存储程序，所述程序被处理器执行时实现如权利要求5至7中任一项所述的无线接入网区域码的处理方法的步骤。
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