CN111356163A - System information notification method, base station equipment and computer storage equipment - Google Patents
System information notification method, base station equipment and computer storage equipment Download PDFInfo
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- CN111356163A CN111356163A CN201811572369.4A CN201811572369A CN111356163A CN 111356163 A CN111356163 A CN 111356163A CN 201811572369 A CN201811572369 A CN 201811572369A CN 111356163 A CN111356163 A CN 111356163A
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Abstract
The method is applied to a cell which is subjected to network sharing by a plurality of macro core networks, when the base station of the cell detects that a link fault occurs in the macro core network, the base station enters an IOPS mode, generates at least one system message block SIB carrying macro core network information and IOPS information without the link fault, and issues the at least one system message block SIB to user equipment. By the method, the cell can work under the condition that the normal mode and the IOPS mode coexist.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a method for notifying system information, a base station device, and a computer storage device.
Background
The IOPS (Isolated E-UTRAN operation for public safety) is a failure weakening mode specified in 3GPP (3rd generation Partnership Project), and mainly describes a networking mode, service characteristics and a processing flow when an EPC (Evolved Packet Core) link fails. A cell in Network sharing is commonly used by a plurality of EPCs belonging to different operators, configuration parameters such as PLMN (Public Land Mobile Network) and TAC (Tracking Area Code) are uniformly configured according to networking and planning, and information carried by system messages broadcast over the air in the Network sharing cell is different in a Network sharing mode and an IOPS mode.
The inventor of the present application found in long-term research and development that, when an EPC of a certain operator serving a cell in network sharing fails, the operator needs to simultaneously operate in a network sharing mode and an IOPS (Isolated E-UTRAN operation for public Safety), but a broadcast message of the cell is a set of configuration and cannot simultaneously issue configuration parameters in the two modes. When the shared cell enters the IOPS mode, for a normal operator, information on an air interface has a large influence, and a terminal of the normal operator cannot access a cell service in network sharing.
Disclosure of Invention
The technical problem mainly solved by the present application is to provide a method for notifying system information, a base station device, and a computer storage device, which can enable a cell to simultaneously operate in a normal mode and an IOPS mode.
In order to solve the technical problem, the application adopts a technical scheme that: the method is applied to a cell which is subjected to network sharing by a plurality of macro core networks and comprises the steps that a base station of the cell enters an IOPS mode when detecting that a link failure of the macro core network exists, wherein the IOPS mode is to activate a local core network to replace the macro core network with the link failure to provide service for the base station; generating at least one system message block SIBSIBSIBSIB, wherein the at least one system message block SIB carries macro core network information and IOPS information without the link failure; and issuing the at least one system message block SIB to user equipment.
In order to solve the above technical problem, another technical solution adopted by the present application is: there is provided a base station apparatus, wherein the base station apparatus comprises a memory and a processor coupled to each other, the memory is used for storing a computer program, and the processor is used for executing the computer program to realize the steps of the method of any one of the above embodiments.
In order to solve the above technical problem, the present application adopts another technical solution: there is provided a computer storage device having a computer program stored thereon, wherein the computer program is executable to implement the steps of the method of any of the above embodiments.
The beneficial effect of this application is: in a cell shared by a plurality of macro core networks, when a base station of the cell detects that a link fault occurs in the macro core network, the base station enters an IOPS mode, generates at least one system message block carrying macro core network information and IOPS information without the link fault, and issues at least one system message block SIB to user equipment, so that the cell can work under the condition that a normal mode and the IOPS mode coexist.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flowchart of an embodiment of a method for notifying system information according to the present application;
fig. 2 is a schematic structural diagram of a macro core network link of a cell in a normal state;
FIG. 3 is a schematic diagram of a macro core network link failure of the cell shown in FIG. 2
FIG. 4 is a flowchart of another embodiment of a method for notifying system information according to the present application;
fig. 5 is a schematic structural diagram of an embodiment of a base station apparatus according to the present application;
fig. 6 is a schematic structural diagram of another embodiment of a base station device according to the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be further noted that, for the convenience of description, only some of the structures related to the present application are shown in the drawings, not all of the structures. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1, fig. 1 is a flowchart illustrating a method for notifying system information according to an embodiment of the present invention, where the method disclosed in the present application is applied to a cell shared by multiple macro core networks, and specifically includes the following steps:
s11: and the base station of the cell enters an IOPS mode when detecting that the macro core network has link failure.
When a base station (eNodeB) in an evolved universal Terrestrial Radio access network (E-UTRAN) is normally connected to an evolved packet core network, a cell shared by the network as shown in fig. 2 may be formed, where fig. 2 is a schematic structural diagram of the cell when a macro core network link is normal, and a cell 100 shared by the network is commonly used by a plurality of macro core networks 12 belonging to different operators, that is, a base station 14, a local core network 16, a plurality of macro core networks 12 belonging to different operators, and a user equipment 18 may exist in the cell. When the macro core network 121 of an operator served by a cell in the network sharing fails, the connection link in the cell may be as shown in fig. 3, and fig. 3 is a schematic structural diagram of the macro core network link of the cell shown in fig. 2 when the macro core network link fails, at this time, the base station 14 with the fail-soft function starts the IOPS operation mode.
The IOPS mode is a failure weakening mode specified in 3GPP, and mainly describes a networking mode, service characteristics, and a processing flow when an EPC link fails. A Macro (Macro) core network, also referred to as a normal core network, is a core network that serves a base station in a normal situation of a cell, e.g., when a link fails. A Local (Local) core network is an entity that provides functions utilized by a base station in an IOPS operation mode instead of a macro core network in order to support public safety services.
Further, the local core network can include a Mobility Management Entity (MME), a serving gateway/packet data network gateway (SGW/PGW), a Home Subscriber Server (HSS) function, or a combination thereof. The local core network and the IOPS capable base station (or deployable IOPS capable base station) may be co-located or the IOPS capable base station (or deployable IOPS capable base station) has connectivity to the local core network.
In the present embodiment, when the connection link of the cell 100 is normal, a UE (User Equipment) is coupled to the macro core network 12 through the base station 14 accessing normal applications. When the base station 14 of the cell 100 is disconnected from the macro core network 121, the base station 14 detects that there is a link failure of the macro core network 121, and enters the IOPS mode. The IOPS mode is to activate the local core network 16 to replace the macro core network 121 with a link failure to provide service for the base station 14, that is, in this embodiment, after entering the IOPS mode, the user equipment 18 of the cell 100 may establish a connection with the local core network 16 through the base station 14.
S12: at least one system message block SIB is generated.
After entering the IOPS mode, the base station 14 generates a system message block SIB before sending a message to the user equipment 18.
A System Information Block (SIB) is broadcasted in the whole cell, so that the ue acquires information of a non-access stratum and an access stratum, and knows how to configure the cell according to the system information carried in the system information block, so as to access the cell and correctly operate in the cell. Specifically, the system message carried in the system message block includes core network information (such as a public land mobile network identifier of the core network, a tracking area code, and access priority configuration information (AC-BarringConfig)), so that the user equipment in the cell can communicate with the core network through the cell base station according to the system information. In the present embodiment, the base station 14 generates at least one system message block SIB. At least one system message block carries macro core network information and IOPS information without link failure. The IOPS information includes, for example, local core network information for replacing the macro core network 121 in which the link failure has occurred.
S13: and transmitting at least one system message block to the user equipment.
Specifically, after entering the IOPS mode, the cell 100 may send at least one system message block SIB carrying information of the macro core network and the IOPS information without a link failure to the user equipment 18 by the base station 14, so that all the user equipments 18 in the cell 100 can be connected to the core network to obtain the related service information.
In this embodiment, when the base station 14 of the cell 100, which is network-shared by multiple macro core networks 12, detects that a link failure occurs in the macro core network 121, the base station enters the IOPS mode, generates at least one system message block carrying macro core network information and IOPS information that do not have a link failure, and issues the at least one system message block to the user equipment 18, so that the cell 100 can operate in a normal mode and an IOPS mode in a coexistent manner.
On the basis of the foregoing embodiments, the present application further provides another embodiment of a method for notifying system information, and specifically please refer to fig. 4, where fig. 4 is a flowchart of another embodiment of a method for notifying system information according to the present application.
S21: and the base station of the cell enters an IOPS mode when detecting that the macro core network has link failure.
When detecting that there is a link failure of the macro core network 121, the base station 14 of the cell 100 enters an IOPS mode, where the IOPS mode is to activate the local core network 16 to replace the link failed macro core network 121 to provide service for the base station 14.
Specifically, after entering the IOPS mode, the local core network 16 is activated, and the local core network 16 may replace the macro core network 121 with a link failure to perform at least part of the functions of the macro core network 121. The connection between the base station 14 and the local core network 16 is further established so that the base station 14 of the cell 100 can provide the corresponding service of the link-down macro core network 121 using the local core network 16.
S22: and receiving the IOPS information issued by the local core network.
S23: and receiving macro core network information transmitted by the macro core network without the link failure.
The following description will be made together with step S22 and step S23:
after the cell 100 enters the IOPS mode, both the local core network 16 and the macro core network 122 without link failure are connected to the base station 14. In order to provide subsequent services for the base station 14, the local core network 16 issues IOPS information, and the macro core network 122 issues macro core network information, so that the base station 14 receives the IOPS information issued by the local core network 16 instead of the macro core network 121 with the link failure and the macro core network information issued by the macro core network 122 without the link failure.
S24: at least one system message block is generated.
After receiving the IOPS information and the macro core network information, the base station 14 generates at least one system message block, where the at least one system message block carries the macro core network information and the IOPS information that do not have a link failure.
Based on the 3GPP R14 protocol, the types of system message blocks include a system message block SIB1 and a system message block SIB2, the system message block SIB1 is used to carry public land mobile network identification and tracking area code, and the system message block SIB2 is used to carry access priority configuration information. In this embodiment, the macro core network information and the IOPS information may be carried in the same system message block or may be carried separately by different system message blocks. Two forms of system message block SIBs are described below:
the first method comprises the following steps: the macro core network information and the IOPS information are carried in the same system message block.
Each system message block comprises a basic field and an extension field, wherein the basic field is used for carrying macro core network information without link failure, and the extension field is used for carrying IOPS information.
Specifically, the at least one system message block SIB includes two of the above-mentioned system message blocks: a system message block SIB1 and a system message block SIB 2. The macro core network information may include a first public land mobile network identity, a first tracking area code, and first access priority configuration information of the macro core network 122 where no link failure occurs; the IOPS information includes a second public land mobile network identity, a second tracking area code, and second access priority configuration information of the IOPS.
In this embodiment, the basic field of the system message block SIB1 is used to carry a first public land mobile network identity and a first tracking area code, and the extension field of the system message block SIB1 is used to carry a second public land mobile network identity and a second tracking area code; a basic field of a system message block SIB2 is used for carrying first access priority configuration information; the extension field of the system message block SIB2 is used to carry the second access priority configuration information. It is understood that when there are multiple macro core networks without link failure in the network-shared cell, the SIB1 includes multiple first plmn identities, which may be included in a plmn identity list and carried by the basic field of the SIB1 in a specific application. The first tracking area code and the first access priority configuration information may also be included in the list and carried by the corresponding system message block when there are a plurality of them.
For example, the user equipment 18 includes user equipment a and user equipment B, in the normal mode, the macro core network 121 and the macro core network 122 provide services for the base station 14, the user equipment a is configured to receive information sent by the macro core network 122, the user equipment B is configured to receive information sent by the macro core network 121, when a link failure occurs in the macro core network 121, the user equipment a enters the IOPS mode, the local core network 16 provides services for the base station 14 instead of the macro core network 121 in which the link failure occurs, the user equipment B is configured to receive information sent by the local core network 16, and the system message block generated by the base station 14 includes a system message block SIB1 and a system message block SIB 2.
The user equipment A acquires a part of a basic field in a system message block, namely a first public land mobile network identity and a first tracking area code carried by the basic field of the system message block SIB1, and first access priority configuration information carried by the basic field of the system message block SIB 2; the user equipment B acquires the part of the extension field in the system message block, i.e. the second public land mobile network identity and the second tracking area code carried by the extension field of the system message block SIB1, and the second access priority configuration information carried by the extension field of the system message block SIB 2.
And the second method comprises the following steps: the macro core network information and the IOPS information are carried by different system message blocks.
The at least one system message block SIB comprises a first system message block and a second system message block, wherein the first system message block is used for carrying macro core network information without link failure, and the second system message block is used for carrying IOPS information.
The macro core network information includes a first public land mobile network identifier, a first tracking area code and first access priority configuration information of the macro core network 122 without link failure; the IOPS information includes a second public land mobile network identity, a second tracking area code, and second access priority configuration information of the IOPS.
The number of the first system message blocks is at least two, and the at least two first system message blocks comprise two types, wherein one type is a first system message block and is used for carrying macro core network information, and the other type is a second system message block and is used for carrying IOPS information. For example, there are two first system message blocks, one of the first system message blocks is used to carry the first plmn identity and the first tracking area code, and the other first system message block is used to carry the first access priority configuration information; the second system message block is used for carrying a second public land mobile network identifier, a second tracking area code and second access priority configuration information.
For example, the user equipment 18 includes user equipment a and user equipment B, in the normal mode, the macro core network 121 and the macro core network 122 provide services for the base station 14, the user equipment a is configured to receive information sent by the macro core network 122, the user equipment B is configured to receive information sent by the macro core network 121, when a link failure occurs in the macro core network 121, the user equipment a enters the IOPS mode, the local core network 16 provides services for the base station 14 instead of the macro core network 121 in which the link failure occurs, the user equipment B is configured to receive information sent by the local core network 16, and the system message block generated by the base station 14 includes a first system message block SIB and a second system message block SIBx.
The user equipment A acquires a message carried by a first system message block SIB in a system message block, wherein the first system message block SIB comprises a first system message block SIB1 and a first system message block SIB2, the first system message block SIB1 is used for carrying a first public land mobile network identifier and a first tracking area code, and the first system message block SIB2 is used for carrying first access priority configuration information.
The user equipment B acquires information carried by a second system message block SIBx in the system message blocks, and the second system message block SIBx carries a second public land mobile network identifier, a second tracking area code and second access priority configuration information.
It is to be understood that the second plmn identity and the second tracking area code and the second access priority configuration information may be carried by the same second system message block SIBx, or may be carried by different second system message blocks SIBx, respectively, for example, one of the second system message blocks SIBx1 carries the second plmn identity and the second tracking area code and the other second system message block SIBx2 carries the second access priority configuration information.
S25: and transmitting at least one system message block to the user equipment.
The base station 14 issues at least one system message block SIB carrying information of the macro core network and the IOPS information without the link failure to the user equipment 18, so that all the user equipments 18 in the cell 100 can connect to the core network to obtain the relevant service information.
In this embodiment, when the base station 14 of the cell 100, which is network-shared by multiple macro core networks 12, detects that a link failure occurs in the macro core network 121, the base station enters the IOPS mode, generates at least one system message block carrying macro core network information and IOPS information that do not have a link failure, and issues at least one system message block SIB to the user equipment 18, so that the cell 100 can operate in a normal mode and an IOPS mode in a coexistent manner, thereby making up a blind spot in the existing 3 GPP.
Corresponding to the method for notifying system information in the foregoing embodiment, the present application provides a base station device, and specifically refer to fig. 5, where fig. 5 is a schematic structural diagram of an embodiment of a base station device in the present application. The base station apparatus 200 disclosed in the present application comprises a memory 22 and a processor 24 coupled to each other, wherein the memory 22 is used for storing a computer program, and the processor 24 is used for executing the computer program to implement the steps of the method according to any of the above embodiments.
Specifically, the base station apparatus 200 is applied to a cell that is network-shared by a plurality of macro core networks, and the processor 24 is configured to enter an IOPS mode when detecting that there is a link failure of a macro core network, where the IOPS mode is to activate a local core network to serve a base station instead of the macro core network with the link failure, and generate at least one system message block SIB. At least one system message block SIB carries macro core network information and IOPS information without link failure, and at least one system message block SIB is issued to user equipment.
For a specific implementation of the method for implementing the system information notification by the processor 24 of the base station device 200, reference may be made to the above method embodiment, which is not described herein again.
In this embodiment, the base station apparatus 200 can operate a cell in a normal mode and an IOPS mode in a coexistent manner.
The present application further provides another embodiment of a base station device for implementing a method for notifying system information, and specifically please refer to fig. 6, where fig. 6 is a schematic structural diagram of another embodiment of a base station device according to the present application. The base station apparatus 300 disclosed in this embodiment includes a detection module 30, a generation module 32, and a distribution module 34.
Specifically, the base station device 300 is applied to a cell that is network-shared by a plurality of macro core networks, and the detection module 30 is configured to, when detecting that a link failure occurs in a macro core network, the base station of the cell enters an IOPS mode, where the IOPS mode is to activate a local core network to replace the macro core network with the link failure and provide a service for the base station; the generating module 32 is configured to generate at least one system message block SIB, where the at least one system message block carries information of a macro core network and IOPS information that do not have a link failure; the issuing module 34 is configured to issue at least one system message block to the user equipment.
In this embodiment, the base station apparatus 300 can operate a cell in a case where the normal mode and the IOPS mode coexist.
In the several embodiments provided in the present application, it should be understood that the system, apparatus and method disclosed in the present application can be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the modules or units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, a network device, or the like) or a processor (processor) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only for the purpose of illustrating embodiments of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application or are directly or indirectly applied to other related technical fields, are also included in the scope of the present application.
Claims (10)
1. A method for notifying system information, the method being applied to a cell that is network-shared by a plurality of macro core networks, the method comprising:
when detecting that a link failure occurs in a macro core network, a base station of the cell enters an IOPS mode, wherein the IOPS mode is used for activating a local core network to replace the macro core network with the link failure so as to provide service for the base station;
generating at least one system message block SIB, wherein the at least one system message block SIB carries macro core network information and IOPS information without the link failure;
and transmitting the at least one system message block to the user equipment.
2. The method of claim 1, wherein each of the system message blocks comprises a basic field and an extension field, wherein the basic field is used for carrying information of a macro core network where the link failure does not occur, and the extension field is used for carrying IOPS information.
3. The method according to claim 2, wherein said at least one system message block comprises a system message block SIB1 and a system message block SIB2, wherein said macro core network information comprises a first public land mobile network identity, a first tracking area code and first access priority configuration information of a macro core network where said link failure does not occur; the IOPS information comprises a second public land mobile network identifier of the IOPS, a second tracking area code and second access priority configuration information; wherein,
a basic field of the system message block SIB1 is used for carrying the first public land mobile network identity and a first tracking area code, and an extension field of the system message block SIB1 is used for carrying the second public land mobile network identity and a second tracking area code;
a basic field of the system message block SIB2 is used to carry the first access priority configuration information; an extension field of the system message block SIB2 is used to carry the second access priority configuration information.
4. The method of claim 1, wherein the at least one system message block comprises a first system message block and a second system message block, and wherein the first system message block is configured to carry information of a macro core network where the link failure does not occur, and wherein the second system message block is configured to carry the IOPS information.
5. The method of claim 4, wherein the macro core network information comprises a first public land mobile network identifier, a first tracking area code, and first access priority configuration information of a macro core network where the link failure does not occur; the IOPS information comprises a second public land mobile network identifier of the IOPS, a second tracking area code and second access priority configuration information; wherein,
at least two first system message blocks are provided, wherein one first system message block is used for carrying the first public land mobile network identifier and the first tracking area code, and the other first system message block is used for carrying the first access priority configuration information;
the second system message block is used for carrying the second public land mobile network identifier, a second tracking area code and the second access priority configuration information.
6. The method of claim 1, wherein entering the IOPS mode comprises:
activating the local core network;
and establishing connection with the local core network.
7. The method of claim 6, wherein prior to said generating at least one system message block, the method further comprises:
and receiving the IOPS information issued by the local core network.
8. The method of claim 1, further comprising:
and receiving the information of the macro core network issued by the macro core network without the link failure.
9. A base station device, characterized in that the base station device comprises a memory and a processor coupled to each other, the memory being configured to store a computer program, the processor being configured to execute the computer program to implement the steps of the method of any of claims 1-8.
10. A computer storage device having a computer program stored thereon, the computer program being executable to implement the steps of the method of any one of claims 1 to 8.
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| CN115052308A (en) * | 2021-03-09 | 2022-09-13 | 成都鼎桥通信技术有限公司 | Fault weakening processing method, base station, cluster terminal and communication system |
| CN115052308B (en) * | 2021-03-09 | 2024-03-01 | 成都鼎桥通信技术有限公司 | Fault weakening processing method, base station, trunking terminal and communication system |
| WO2022188108A1 (en) * | 2021-03-11 | 2022-09-15 | 北京小米移动软件有限公司 | Methods and apparatuses for sending and determining tracking area code, device and storage medium |
| CN116709354A (en) * | 2023-08-02 | 2023-09-05 | 中国电信股份有限公司 | Method and device for realizing simulation base station, base station and storage medium |
| CN116709354B (en) * | 2023-08-02 | 2024-03-19 | 中国电信股份有限公司 | Base station implementation method and device, base station and storage medium |
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| CN111356163B (en) | 2023-06-13 |
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