CN114585025A - Mobility management method, device, equipment and readable storage medium - Google Patents
Mobility management method, device, equipment and readable storage medium Download PDFInfo
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- H—ELECTRICITY
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Abstract
The embodiment of the invention provides a mobility management method, a device, equipment and a readable storage medium, wherein the method comprises the following steps: sending control information of the terminal to a control function unit of a target cell; the data centralized management unit manages a source cell and a target cell, or the data centralized management unit manages the target cell. In the embodiment of the invention, through interaction between the data centralized management unit and the control function unit in the base station or the user function unit in the base station, on one hand, the separation of calculation and data is realized, and the data centralized management unit has comprehensive terminal context and service data information, thereby being convenient for AI training data generation under an intelligent endogenous network architecture. On the user plane, by introducing a data centralized management unit, the data forward amount can be reduced, and the data interruption time of the user plane can be reduced.
Description
Technical Field
The embodiment of the invention relates to the technical field of communication, in particular to a mobility management method, a mobility management device, mobility management equipment and a readable storage medium.
Background
The fifth generation mobile communication technology (5th generation, 5G) mentions three major service scenarios, namely, a large bandwidth service, a low latency high reliability service, and a large connection service, and the sixth generation mobile communication technology (6th generation, 6G) service must have better requirements, such as a larger bandwidth, a lower latency, and the like, compared with the 5G service. In the 5G existing standard, for a low-latency high-reliability service, a user plane reduces latency of the user plane and improves reliability by introducing mechanisms such as resource preemption and Packet Data Convergence Protocol (PDCP) repeat transmission. As Network Function Virtualization (NFV) architecture goes deep into wireless networks and new Information Technology (IT) Technology is merged with Communication Technology (CT), there are more control methods and signaling flow optimization schemes available in 6G due to the consideration of service.
However, the interaction process between the centralized data management unit and the radio access network in the 6G system is currently lacking.
Disclosure of Invention
An object of the embodiments of the present invention is to provide a mobility management method, an apparatus, a device, and a readable storage medium, which solve the problem how to implement an interaction procedure between a centralized data management unit and a radio access network in a 6G system.
In a first aspect, a mobility management method, performed by a data centralized management unit, includes:
sending control information of the terminal to a control function unit of a target cell;
the data centralized management unit manages a source cell and a target cell, or the data centralized management unit manages the target cell.
Optionally, the control information comprises one or more of: terminal context, security context and protocol data unit PDU session information.
Optionally, the step of the centralized data management unit managing a source cell and a target cell, where sending control information of a terminal to a control function unit of the target cell includes:
acquiring a first message of a control function unit of a source cell;
and sending the control information of the terminal to a control function unit of the target cell according to the first message.
Optionally, the method further comprises:
releasing control information of the terminal related to a source cell.
Optionally, the data centralized management unit manages a target cell, and before the step of sending the control information of the terminal to the control function unit of the target cell, the method further includes:
and the data centralized management unit of the receiving source cell manages the sent control information of the terminal.
Optionally, the method further comprises:
and receiving the updated control information of the terminal from the control function unit of the target cell.
Optionally, the method further comprises:
and sending the updated control information of the terminal to a data centralized management unit of the source cell.
In a second aspect, a mobility management method is provided, which is performed by a data set management unit of a source cell, and includes:
after generating a switching command message of a first terminal, caching a data packet from a core network;
and suspending the transmission of the data packet of the first terminal to the user plane functional unit of the source cell.
Optionally, the method further comprises:
receiving a second message from a user plane function of the source cell, the second message indicating that there are no correctly transmitted data packets;
and saving the incorrectly transmitted data packet according to the second message.
Optionally, the method further comprises:
and sending the incorrectly transmitted data packet and the data packet received from the core network to a user plane functional unit of a target cell.
In a third aspect, a mobility management apparatus is provided, which is applied to a data centralized management unit, and includes:
the first sending module is used for sending the control information of the terminal to the control function unit of the target cell;
the data centralized management unit manages a source cell and a target cell, or the data centralized management unit manages the target cell.
In a fourth aspect, a mobility management apparatus is provided, which is applied to a data centralized management unit of a source cell, and includes:
the cache module is used for caching a data packet from the core network after generating a switching command message of the first terminal;
and the control module is used for suspending the transmission of the data packet of the first terminal to the user plane functional unit of the source cell.
In a fifth aspect, a communication device is provided, comprising: a processor, a memory and a program stored on the memory and executable on the processor, which when executed by the processor, performs the steps of the method according to the first or second aspect.
A sixth aspect provides a readable storage medium having a program stored thereon, which when executed by a processor implements steps comprising a method according to the first or second aspect.
In the embodiment of the invention, through the interaction between the data centralized management unit and the control function unit in the base station or the user function unit in the base station, on one hand, the separation of calculation and data is realized, and the data centralized management unit has comprehensive terminal context and service data information, thereby being convenient for the generation of Artificial Intelligence (AI) training data under an intelligent endogenous network architecture. On the user plane, by introducing a data centralized management unit, the data forward amount can be reduced, and the data interruption time of the user plane can be reduced.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a flowchart of a mobility management method in an embodiment of the present application;
fig. 2 is a second flowchart of a mobility management method in the embodiment of the present application;
fig. 3 is a third flowchart of a mobility management method in an embodiment of the present application;
fig. 4 is a fourth flowchart of a mobility management method in an embodiment of the present application;
fig. 5 is a fifth flowchart of a mobility management method in the embodiment of the present application;
FIG. 6 is a diagram of a data centralized management unit in an embodiment of the present application;
fig. 7 is a sixth flowchart of a mobility management method in an embodiment of the present application;
fig. 8 is a schematic diagram of a mobility management apparatus according to an embodiment of the present application;
fig. 9 is a second schematic diagram of a mobility management apparatus according to an embodiment of the present application;
fig. 10 is a schematic diagram of a communication device in an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terms "comprises," "comprising," or any other variation thereof, in the description and claims of this application, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. Furthermore, the use of "and/or" in the specification and claims means that at least one of the connected objects, such as a and/or B, means that three cases, a alone, B alone, and both a and B, exist.
In the embodiments of the present invention, words such as "exemplary" or "for example" are used to mean serving as examples, illustrations or descriptions. Any embodiment or design described as "exemplary" or "e.g.," an embodiment of the present invention is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present concepts related in a concrete fashion.
The terms "system" and "network" are often used interchangeably. CDMA systems may implement Radio technologies such as CDMA2000, Universal Terrestrial Radio Access (UTRA), and so on. UTRA includes Wideband CDMA (Wideband Code Division Multiple Access, WCDMA) and other CDMA variants. TDMA systems may implement radio technologies such as Global System for Mobile communications (GSM). The OFDMA system can implement radio technologies such as Ultra Mobile Broadband (UMB), evolved-UTRA (E-UTRA)), IEEE 802.11 (Wi-Fi), IEEE 802.16 (WiMAX)), IEEE 802.20, Flash-OFDM, and the like. UTRA and E-UTRA are parts of the Universal Mobile Telecommunications System (UMTS). LTE and higher LTE (e.g., LTE-A) are new UMTS releases that use E-UTRA. UTRA, E-UTRA, UMTS, LTE-A, and GSM are described in documents from an organization named "third Generation Partnership Project" (3 GPP). CDMA2000 and UMB are described in documents from an organization named "third generation partnership project 2" (3GPP 2). The techniques described herein may be used for both the above-mentioned systems and radio technologies, as well as for other systems and radio technologies.
Referring to fig. 1, an embodiment of the present application provides a mobility management method, which is executed by a data centralized management unit, and includes the specific steps of: and step 101.
Step 101: transmitting control information (alternatively referred to as control plane related information) of the terminal to a control function unit of the target cell;
the data centralized management unit manages a source cell and a target cell, or the data centralized management unit manages the target cell.
The data centralized management unit is a data management unit designed according to the idea of separation of calculation and storage, and the data centralized management unit can realize network capability opening and support deployment and execution of a third-party policy, as shown in fig. 6.
The control function unit may be a control plane (control plane) or a control plane functional entity, and the control function unit of the target cell may be a control plane or a control plane functional entity of a base station of the target cell.
In an embodiment of the present application, the control information includes one or more of the following: (1) terminal context, (2) security context, and (3) Protocol Data Unit (PDU) session information.
In the embodiment of the invention, through the interaction between the data centralized management unit and the control function unit in the base station, on one hand, the separation of calculation and data is realized, and the data centralized management unit has comprehensive terminal context and service data information, thereby being convenient for AI training data generation under an intelligent endogenous network architecture.
Referring to fig. 2, an embodiment of the present application provides a mobility management method, which is executed by a data centralized management unit, where the data centralized management unit manages a source cell and a target cell, and the method includes the specific steps of: step 201, step 202 and step 203.
Step 201: acquiring a first message of a control function unit of a source cell;
the control function unit of the source cell may be a control plane or a control plane function entity of the base station of the source cell.
The first message is used for instructing the data centralized management unit to push the control information of the terminal to the target cell.
Step 202: sending control information of the terminal to a control function unit of a target cell according to the first message;
step 203: releasing control information of the terminal related to a source cell.
It is to be understood that step 203 is an optional step. In an embodiment of the present application, the control information includes one or more of the following: (1) terminal context, (2) security context, and (3) PDU session information.
In the embodiment of the invention, through the interaction between the data centralized management unit and the control function unit in the base station, on one hand, the separation of calculation and data is realized, and the data centralized management unit has comprehensive terminal context and service data information, thereby being convenient for AI training data generation under an intelligent endogenous network architecture.
Referring to fig. 3, an embodiment of the present application provides a mobility management method, which is executed by a data centralized management unit, where the data centralized management unit manages a target cell, and the method includes: step 301, step 302, step 303 and step 304.
Step 301: receiving control information of a terminal sent by a data centralized management unit of a source cell;
step 302: sending control information of the terminal to a control function unit of a target cell;
in an embodiment of the present application, the control information includes one or more of the following: (1) terminal context, (2) security context, and (3) PDU session information.
Step 303: receiving updated control information of the terminal from a control function unit of the target cell;
step 304: and sending the updated control information of the terminal to a data centralized management unit of the source cell.
It will be appreciated that steps 303 and 304 are optional steps.
In the embodiment of the invention, through the interaction between the data centralized management unit and the control function unit in the base station, on one hand, the separation of calculation and data is realized, and the data centralized management unit has comprehensive terminal context and service data information, thereby being convenient for AI training data generation under an intelligent endogenous network architecture.
Referring to fig. 4, an embodiment of the present application provides a mobility management method, which is executed by a data centralized management unit of a source cell, and includes the specific steps of: step 401 and step 402.
Step 401: after generating a switching command message of a first terminal, caching a data packet from a core network;
step 402: and suspending the transmission of the data packet of the first terminal to the user plane functional unit of the source cell.
In the embodiment of the invention, the network side can predict the switching requirement of the terminal in advance by combining the user track prediction mode, and carry out the switching preparation work in advance. The control function unit corresponding to the source cell informs the target cell to read or the source cell informs the data centralized management unit to push the context information of the UE corresponding to the user to the target cell, and the target cell updates the context of the user according to the capability of the target cell if necessary. The source cell informs the target cell to read the UE context information corresponding to the data centralized management unit, stores the user data received from the core network in the centralized management unit, and suspends the distribution of the data to the source cell. On one hand, the time for the terminal to switch to the target cell can be reduced, and on the other hand, the data volume of the forward transmission is also reduced.
Referring to fig. 5, an embodiment of the present application provides a mobility management method, which is executed by a data centralized management unit of a source cell, and includes the specific steps of: step 501, step 502, step 503, step 504 and step 505.
Step 501: after generating a switching command message of a first terminal, caching a data packet from a core network;
step 502: and suspending the transmission of the data packet of the first terminal to the user plane functional unit of the source cell.
Step 503: receiving a second message from a user plane function of the source cell, the second message indicating that there are no correctly transmitted data packets;
step 504: storing the incorrectly transmitted data packet according to the second message;
step 505: and sending the incorrectly transmitted data packet and the data packet received from the core network to a user plane function unit (or called as a user plane function or a user plane function entity) of the target cell.
It is to be understood that steps 503-505 are optional steps.
In the embodiment of the invention, through interaction between the data centralized management unit and the user function unit in the base station, on one hand, separation of calculation and data is realized, and the data centralized management unit has comprehensive terminal context and service data information, thereby being convenient for AI training data generation under an intelligent endogenous network architecture. On the user plane, by introducing a data centralized management unit, the data forward amount can be reduced, and the data interruption time of the user plane can be reduced.
To facilitate understanding of the embodiment of the present application, a signaling plane flow of a handover procedure is described below.
The signaling plane related operations are as follows:
1. and the network side starts the measurement report of the terminal and selects the target cell by combining the measurement result of the terminal.
2. Judging whether the target cell and the original cell have the same centralized data management architecture, if so, informing the target cell to read or informing the data centralized management unit to push the control information such as the UE context information, the safety context information, the PDU session and the like corresponding to the user to the target cell by the control function unit corresponding to the source cell, and updating the context of the user if necessary by the target cell according to the capability of the target cell. And simultaneously, the terminal is informed through the original cell, and the terminal is accessed in the new cell by adopting new configuration.
3. If the target cell and the original cell are not under the same centralized data management architecture, the source cell determines the data centralized management unit module where the target cell is located through a direct or indirect mode, for example, the data centralized management unit corresponding to the original cell of the source cell is informed in advance to the data centralized management unit corresponding to the original cell of the source cell through the interaction of the data centralized units or the target cell, and the existing UE context information is pushed to the data centralized management unit where the target cell is located through a network. And the target cell updates the UE context information if necessary and sends the updated UE context information to the data centralized management unit corresponding to the source cell.
4. And the source cell generates a switching command according to the updated UE context information and sends the switching command to the UE, and the UE performs random access to the target cell after receiving the switching command.
5. After the user is accessed to the target cell at random successfully, if the source cell and the target cell are in the same centralized data management architecture, the centralized data management unit releases all UE context information related to the source cell. If the target cell and the source cell do not correspond to the same data centralized management unit, the control unit of the target cell informs the data centralized management unit of the source cell to delete the UE context information corresponding to the source cell.
By introducing the centralized data management unit, on one hand, the development trend is consistent with the existing development trend of calculation, storage and separation, on the other hand, the centralized data management unit is used as a centralized point of UE context information and the like and user data information, and is more favorable for being combined with artificial intelligence, and is convenient for providing a training data set.
To facilitate understanding of the embodiment of the present application, a user plane procedure of the handover process is described below.
The user plane related operations are as follows:
1. after the source cell generates the switching command message, the data centralized management unit corresponding to the source cell caches the data from the core network, and stops sending the data corresponding to the user plane processing unit.
2. For the user data already processed by the source cell, if the current mode is the confirmation mode, the source cell informs the data centralized management unit that the data packets which are not transmitted correctly do not exist, and the data centralized management unit stores the data packets which are not transmitted correctly according to the sequence.
3. After the terminal is attached to the target cell, if necessary, the base station corresponding to the target cell updates the base station information of the user and the transmission connection information between the target cell and the core network to the core network.
4. And the target cell sends the incorrectly transmitted data packets and the data packets cached from the core network received by the data centralized management unit to the terminal according to the sequence.
5. And at the terminal side, if the uplink data has unacknowledged data packets, the terminal sends the data packets to the target cell according to the sequence.
Referring to fig. 7, an interaction flow between network function modules based on a data centralized management unit is shown in the figure, and for a handover flow belonging to the same data centralized management unit, a target cell control function unit updates UE context information in the data centralized management unit by introducing the data centralized management unit, and for a handover flow belonging to a different data centralized management unit, if connection between the centralized data management unit where a source cell is located and the data centralized management unit where the target cell is located has been established, the target cell sends the updated UE context information to the data centralized management unit where the target cell is located through the centralized data management unit where the source cell is located. On the user plane, by introducing the data centralized management unit, the data centralized management unit can stop sending data to the source cell in advance, and reduce the data volume of data forwarding, thereby reducing the time of user plane data interruption.
Step 1: UE measurement reporting;
step 2: the source cell informs the data centralizing unit to push the UE context information to the target cell;
and step 3: the centralized data management unit sends UE context information to a control function unit of a target cell;
and 4, step 4: the target cell updates the UE context information and backups the UE context information of the source cell;
and 5: the centralized data management unit informs the updated UE context information to the source cell;
step 6: the control function unit of the source cell informs the UE of the new access cell and the corresponding configuration.
And 7: random Access Procedure (Random Access Procedure);
and 8: radio resource control Reconfiguration Complete (RRC Reconfiguration Complete);
and step 9: the control function unit of the target cell informs the source cell to release the UE context information;
step 10: and the control function unit of the target cell informs the core network to update the base station information or the data link.
Referring to fig. 8, an embodiment of the present application provides a mobility management apparatus, which is applied to a data centralized management unit, where the apparatus 800 includes:
a first sending module 801, configured to send control information of a terminal to a control function unit of a target cell;
the data centralized management unit manages a source cell and a target cell, or manages the target cell.
In an embodiment of the present application, the control information includes one or more of the following: terminal context, security context, and PDU session information.
In this embodiment of the application, the data centralized management unit manages a source cell and a target cell, and the first sending module 801 includes:
the acquisition unit is used for acquiring a first message of a control function unit of a source cell;
and the sending unit is used for sending the control information of the terminal to the control function unit of the target cell according to the first message.
In an embodiment of the present application, the apparatus 800 further includes:
a release module, configured to release control information of the terminal related to a source cell.
In this embodiment of the present application, the centralized data management unit manages a target cell, and the apparatus further includes:
and the first receiving module is used for receiving the control information of the terminal, which is managed and sent by the data centralized management unit of the source cell.
In an embodiment of the present application, the apparatus 800 further includes:
and a second receiving module, configured to receive, from the control function unit of the target cell, the updated control information of the terminal.
In an embodiment of the present application, the apparatus 800 further includes:
and the second sending module is used for sending the updated control information of the terminal to the data centralized management unit of the source cell.
The device provided by the embodiment of the application can realize each process realized by the method embodiments shown in fig. 1 to fig. 3, and achieve the same technical effect, and is not described herein again to avoid repetition.
Referring to fig. 9, an embodiment of the present application provides a mobility management apparatus, which is applied to a data centralized management unit of a source cell, where the apparatus 900 includes:
a caching module 901, configured to cache a data packet from a core network after generating a handover command message of a first terminal;
a control module 902, configured to suspend sending the data packet of the first terminal to the user plane function unit of the source cell.
In an embodiment of the present application, the apparatus 900 further includes:
a third receiving module, configured to receive a second message from a user plane function of the source cell, where the second message indicates that a data packet is not correctly transmitted;
and the storage module is used for storing the incorrectly transmitted data packet according to the second message.
In an embodiment of the present application, the apparatus 900 further includes:
and a third sending module, configured to send the incorrectly transmitted data packet and the data packet received from the core network to a user plane function unit of the target cell.
The device provided by the embodiment of the application can realize each process realized by the method embodiments shown in fig. 4 to 5, and achieve the same technical effect, and is not described herein again to avoid repetition.
The embodiment of the application also provides network side equipment. As shown in fig. 10, the network-side device 1000 includes: antenna 1001, rf device 1002, and baseband device 1003. The antenna 1001 is connected to the radio frequency device 1002. In the uplink direction, rf device 1002 receives information via antenna 1001 and transmits the received information to baseband device 1003 for processing. In the downlink direction, the baseband device 1003 processes information to be transmitted and transmits the information to the rf device 1002, and the rf device 1002 processes the received information and transmits the processed information through the antenna 1001.
The above band processing means may be located in the baseband means 1003, and the method executed by the network side device in the above embodiment may be implemented in the baseband means 1003, where the baseband means 1003 includes a processor 1004 and a memory 1005.
The baseband device 1003 may include, for example, at least one baseband board, on which a plurality of chips are disposed, as shown in fig. 10, where one chip, for example, a processor 1004, is connected to a memory 1005 and calls a program in the memory 1005 to perform the network device operations shown in the above method embodiments.
The baseband device 1003 may further include a network interface 1006, for exchanging information with the radio frequency device 1002, and the interface is, for example, a Common Public Radio Interface (CPRI).
Specifically, the network side device of the embodiment of the present invention further includes: the instructions or programs stored in the memory 1005 and executable on the processor 1004 are called by the processor 1004 to execute the method executed by each module shown in fig. 8 or 9, and achieve the same technical effect, and are not described herein in detail to avoid repetition.
The communication device provided in the embodiment of the present application can implement each process implemented by the method embodiments shown in fig. 2 to fig. 5, and achieve the same technical effect, and is not described here again to avoid repetition.
An embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or the instruction is executed by a processor, the program or the instruction implements each process of the method embodiments shown in fig. 2 to fig. 5, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here.
Wherein, the processor is the processor in the terminal described in the above embodiment. The readable storage medium includes a computer readable storage medium, such as a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and so on.
The steps of a method or algorithm described in connection with the disclosure herein may be embodied in hardware or may be embodied in software instructions executed by a processor. The software instructions may consist of corresponding software modules that may be stored in RAM, flash memory, ROM, EPROM, EEPROM, registers, hard disk, a removable hard disk, a compact disk, or any other form of storage medium known in the art. An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. Of course, the storage medium may also be integral to the processor. The processor and the storage medium may reside in an ASIC. In addition, the ASIC may be carried in a core network interface device. Of course, the processor and the storage medium may reside as discrete components in a core network interface device.
Those skilled in the art will recognize that the functionality described in this disclosure may be implemented in hardware, software, firmware, or any combination thereof, in one or more of the examples described above. When implemented in software, the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Computer-readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another. A storage media may be any available media that can be accessed by a general purpose or special purpose computer.
The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made on the basis of the technical solutions of the present invention should be included in the scope of the present invention.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, embodiments of the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, embodiments of the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
Embodiments of the present invention are described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various changes and modifications may be made in the embodiments of the invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to encompass such modifications and variations.
Claims (14)
1. A mobility management method performed by a data centralized management unit, comprising:
sending control information of the terminal to a control function unit of a target cell;
the data centralized management unit manages a source cell and a target cell, or the data centralized management unit manages the target cell.
2. The method of claim 1, wherein the control information comprises one or more of: terminal context, security context and protocol data unit PDU session information.
3. The method of claim 1, wherein the data set management unit manages a source cell and a target cell, and wherein sending control information of a terminal to a control function unit of the target cell comprises:
acquiring a first message of a control function unit of a source cell;
and sending the control information of the terminal to a control function unit of the target cell according to the first message.
4. The method of claim 3, further comprising:
releasing control information of the terminal related to a source cell.
5. The method of claim 1, wherein the data set management unit manages a target cell, and wherein before the step of sending the control information of the terminal to the control function unit of the target cell, the method further comprises:
and the data centralized management unit of the receiving source cell manages the sent control information of the terminal.
6. The method of claim 5, further comprising:
and receiving the updated control information of the terminal from the control function unit of the target cell.
7. The method of claim 6, further comprising:
and sending the updated control information of the terminal to a data centralized management unit of the source cell.
8. A mobility management method performed by a data set management unit of a source cell, comprising:
after generating a switching command message of a first terminal, caching a data packet from a core network;
and suspending the transmission of the data packet of the first terminal to the user plane functional unit of the source cell.
9. The method of claim 8, further comprising:
receiving a second message from a user plane function of the source cell, the second message indicating that there are no correctly transmitted data packets;
and saving the incorrectly transmitted data packet according to the second message.
10. The method of claim 9, further comprising:
and sending the incorrectly transmitted data packet and the data packet received from the core network to a user plane functional unit of the target cell.
11. A mobility management device applied to a data centralized management unit (DRM) comprises:
the first sending module is used for sending the control information of the terminal to the control function unit of the target cell;
the data centralized management unit manages a source cell and a target cell, or the data centralized management unit manages the target cell.
12. A mobility management device applied to a data centralized management unit of a source cell, the mobility management device comprising:
the cache module is used for caching a data packet from the core network after generating a switching command message of the first terminal;
and the control module is used for suspending the transmission of the data packet of the first terminal to the user plane functional unit of the source cell.
13. A communication device, comprising: processor, memory and program stored on the memory and executable on the processor, which when executed by the processor implements the steps of the method according to any one of claims 1 to 10.
14. A readable storage medium, characterized in that it has stored thereon a program which, when being executed by a processor, carries out steps comprising the method according to any one of claims 1 to 10.
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| CN202011372073.5A CN114585025A (en) | 2020-11-30 | 2020-11-30 | Mobility management method, device, equipment and readable storage medium |
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| CN202011372073.5A CN114585025A (en) | 2020-11-30 | 2020-11-30 | Mobility management method, device, equipment and readable storage medium |
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