CN107124774B - A kind of resource synchronization method between base station and core net - Google Patents
A kind of resource synchronization method between base station and core net Download PDFInfo
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- CN107124774B CN107124774B CN201610104059.4A CN201610104059A CN107124774B CN 107124774 B CN107124774 B CN 107124774B CN 201610104059 A CN201610104059 A CN 201610104059A CN 107124774 B CN107124774 B CN 107124774B
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- terminal
- base station
- terminal iidentification
- mme
- reset
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/04—Interfaces between hierarchically different network devices
- H04W92/045—Interfaces between hierarchically different network devices between access point and backbone network device
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Abstract
This application discloses the resource synchronization methods between a kind of base station and core net, comprising: base station counts the accuracy of S1 interface transmission, when being lower than given threshold, sends RESET message to MME, and carry the mark of each terminal in connection status；After MME receives RESET message, each terminal iidentification locally saved is compared with the terminal iidentification in RESET message；If the former is more than the latter, MME discharges terminal contexts corresponding to the terminal iidentification having more, and discharges its shared resource；If the latter is more than the former, the terminal iidentification having more is carried and is sent to base station in RESET response message；Terminal contexts corresponding to the terminal iidentification in RESET response message are deleted in base station, and discharge its shared resource.Using the application, the terminal resource between base station and MME can be made to be consistent.
Description
Technical field
Source synchronous side this application involves the simultaneous techniques in communication system, in particular between a kind of base station and core net
Method.
Background technique
It is interconnected between base station and EPC by S1 interface in LTE system, the interface protocol between base station and EPC entity MME is
S1AP and S1 Application Protocol.After accessing wireless network, base station and MME pass through S1AP agreement and establish the upper of terminal respectively terminal
Hereafter, behavior of the management terminal in this session.
In the case where S1 interface transmits normal situation, base station and MME can correct management terminal contexts foundation, release.In
In the case that the transmission of S1 interface is unstable, base station and MME are likely to lose S1AP message.
If what is lost is the terminal contexts release message that base station is initiated, the processing difference of base station and MME are as follows:
For base station, if the terminal contexts release message initiated does not respond to message, base station is still deleted should
The context of terminal；For MME, due to being not received by terminal contexts release message, the upper of the terminal not will be deleted
Hereafter.
If it is the terminal contexts release message that MME is initiated, the processing difference of base station and MME are as follows:
For MME, if the terminal contexts release message initiated does not receive response message, MME can be weight
The message is sent out until n times, then delete the terminal contexts；For base station, released due to being not received by terminal contexts
Message is put, not will be deleted the context of the terminal.
It can be seen from above situation in the case where the transmission of S1 interface is unstable, what is no matter lost is that base station is initiated
The terminal contexts release message that terminal contexts release message or MME are initiated, finally can all cause between base station and MME
Terminal resource distribution is inconsistent.
Summary of the invention
The application provides the resource synchronization method between a kind of base station and core net, can guarantee the end between base station and core net
Hold resource allocation consistent.
To achieve the above object, the application adopts the following technical scheme that
A kind of resource synchronization method between base station and core net, comprising:
Base station counts the accuracy of S1 interface transmission, the resource management entity when being lower than given threshold, into core net
MME sends RESET message, and carries the mark for being currently at each terminal of connection status；
It, will be in each terminal iidentification locally saved and the RESET message after the MME receives the RESET message
Terminal iidentification be compared；
If the terminal iidentification that the MME is locally saved, more than the terminal iidentification in the RESET message, the MME will
The release of terminal contexts corresponding to the terminal iidentification having more, and discharge its shared resource；
If the terminal iidentification in the RESET message is more than the terminal iidentification locally saved, the terminal iidentification that will be had more
Carrying is sent to the base station in RESET response message；The base station is by the terminal iidentification institute in the RESET response message
Corresponding terminal contexts are deleted, and discharge its shared resource.
Preferably, the terminal iidentification is UE S1AP ID.
A kind of resource synchronization method between base station and core net, comprising:
The accuracy of resource management entity MME statistics S1 interface transmission in core net, when being lower than given threshold, Xiang Ji
It stands and sends RESET message, and carry the mark for being currently at connection status and each terminal of the access base station；
It, will be in each terminal iidentification locally saved and the RESET message after the base station receives the RESET message
Terminal iidentification be compared；
If the terminal iidentification that the base station saves is more than the terminal iidentification in the RESET message, the base station
Terminal contexts corresponding to the terminal iidentification having more are discharged, and discharge its shared resource；
If terminal iidentification in the RESET message is more than the terminal iidentification locally saved, the base station will be had more
Terminal iidentification carrying is sent to the MME in RESET response message；The MME is by the terminal in the RESET response message
The corresponding terminal contexts of mark are deleted, and discharge its shared resource.
Preferably, the terminal iidentification is UE S1AP ID.
As seen from the above technical solution, in the application, the accuracy of base station or MME statistics S1 interface transmission is set when being lower than
When determining threshold value, RESET message is sent to opposite end, and carry the mark for being currently at each terminal of connection status；Opposite end receives
After RESET message, each terminal iidentification locally saved is compared with the terminal iidentification in RESET message, if the former is more than
The latter, then MME discharges terminal contexts corresponding to the terminal iidentification having more, and discharges its shared resource；If the latter is more than
The former, then carry the terminal iidentification having more and be sent to base station in RESET response message；It base station will be in RESET response message
Terminal iidentification corresponding to terminal contexts delete, and discharge its shared resource.In this way, it is possible to be transmitted in S1 interface unstable
Periodically, guarantee base station and the two sides MME for the management consistency of terminal resource.
Detailed description of the invention
Fig. 1 is the reset process schematic diagram that MME is initiated in SIAP agreement；
Fig. 2 is the reset process schematic diagram that base station is initiated in SIAP agreement；
Fig. 3 is the resource synchronization method flow chart that base station is initiated in the application；
Fig. 4 is the resource synchronization method flow chart that MME is initiated in the application.
Specific embodiment
In order to which the purpose, technological means and advantage of the application is more clearly understood, the application is done below in conjunction with attached drawing
It is further described.
In S1AP agreement, reset process is defined, it is therefore intended that initialize or reinitialize wireless network or part
The relevant context of terminal, if reset process can be taken in the event of failure in EPC, if in the event of failure may be used in a base station
To take reset process.Fig. 1 is the reset process that MME is initiated.Fig. 2 is the reset process that base station is initiated.
Reset process is used in the application to carry out source synchronous.Specifically, resource synchronization method can be by the application
Base station side is initiated, or can also be initiated by the side MME.Fig. 3 is the basic procedure signal for the resource synchronization method that base station side is initiated
Figure, as shown in figure 3, this method comprises:
Step 301, the accuracy of base station statistics S1 interface transmission.
The accuracy of S1 interface transmission is counted, it is whether normal to monitor S1 interface status transmission.
Step 302, base station judges whether the S1 interface transmission accuracy of statistics is lower than given threshold, if so, executing step
Rapid 303, otherwise return step 301.
In the application, a threshold value is preset, as judgement standard of S1 interface transmission whether normal.The threshold value can be with
It is configured according to actual needs, such as according to the accuracy requirement etc. of S1 interface transmission.The application is not construed as limiting this.
In this step, if S1 interface transmission accuracy is lower than given threshold, then it is assumed that the transmission of S1 interface is unstable, not just
Often, then start to execute the release that step 303 carries out corresponding terminal context and resource.
Step 303, base station sends RESET message to MME, and carries the mark for being currently at each terminal of continuous state.
In the present embodiment, it is illustrated so that terminal iidentification is UE S1AP ID as an example, certainly, is not limited to the terminal iidentification.
In the RESET message that base station is sent to MME, the terminal iidentification for being currently at all terminals of connection status is carried.
Step 304, MME receives RESET message, and by the terminal in each terminal iidentification locally saved and RESET message
Mark is compared.
MME extracts terminal iidentification therein after receiving RESET message, it is compared with each terminal iidentification locally saved
Compared with whether this makes it possible to the terminal resources found out between MME and base station consistent.
Step 305, it if each terminal iidentification that MME is locally saved is more than the terminal iidentification in RESET message, thens follow the steps
306, if each terminal iidentification that MME is locally saved thens follow the steps 307, if MME sheet less than the terminal iidentification in RESET message
Each terminal iidentification that ground saves is equal to the terminal iidentification in RESET message, then terminates this process.
Step 306, it determines more than the terminal iidentification in RESET message in each terminal iidentification that MME is locally saved, it will be more
The release of terminal contexts corresponding to terminal iidentification out, and the occupied resource of the terminal is discharged, terminate this process.
By this step, the terminal contexts and terminal resource that retain in MME compared to base station are discharged more, thus
Guarantee that the terminal resource between MME and base station is consistent.
Step 307, the terminal iidentification locally saved in the terminal iidentification of RESET message carrying more than MME is determined, it will be more
Terminal iidentification carrying out is sent to base station in RESET response message.
Step 308, base station receives RESET response message, and the context of terminal corresponding to terminal iidentification therein is deleted
It removes, discharges the occupied resource of counterpart terminal.
By the processing of step 307-308, can will be provided in base station compared to the MME terminal contexts more retained and terminal
Source is discharged, to guarantee that the terminal resource between MME and base station is consistent.
Above-mentioned is the resource synchronization method that base station is initiated.
Fig. 4 is the resource synchronization method that MME is initiated.This method is identical as the resource synchronization method in above-mentioned Fig. 3, only holds
Row main body is exchanged.Specifically, as shown in figure 4, this method comprises:
Step 401, MME counts the accuracy of S1 interface transmission.
The accuracy of S1 interface transmission is counted, it is whether normal to monitor S1 interface status transmission.
Step 402, MME judges whether the S1 interface transmission accuracy of statistics is lower than given threshold, if so, thening follow the steps
403, otherwise return step 401.
In the application, a threshold value is preset, as judgement standard of S1 interface transmission whether normal.The threshold value can be with
It is configured according to actual needs, such as according to the accuracy requirement etc. of S1 interface transmission.The application is not construed as limiting this.
In this step, if S1 interface transmission accuracy is lower than given threshold, then it is assumed that the transmission of S1 interface is unstable, not just
Often, then start to execute the release that step 403 carries out corresponding terminal context and resource.
Step 403, MME sends RESET message to base station, and carries the mark for being currently at each terminal of continuous state.
In the present embodiment, it is illustrated so that terminal iidentification is UE S1AP ID as an example, certainly, is not limited to the terminal iidentification.
In the RESET message that MME is sent to base station, the terminal iidentification for being currently at all terminals of connection status is carried.
Step 404, base station receives RESET message, and by the terminal in each terminal iidentification locally saved and RESET message
Mark is compared.
Terminal iidentification therein is extracted after receiving RESET message in base station, it is carried out with each terminal iidentification locally saved
Compare, whether this makes it possible to the terminal resources found out between MME and base station consistent.
Step 405, if each terminal iidentification that base station saves is more than the terminal iidentification in RESET message, step is executed
Rapid 406, if each terminal iidentification that base station saves thens follow the steps 407, if base less than the terminal iidentification in RESET message
The terminal iidentification that each terminal iidentification locally saved of standing is equal in RESET message, then terminate this process.
Step 406, it determines more than the terminal iidentification in RESET message in each terminal iidentification that base station saves, it will
The release of terminal contexts corresponding to the terminal iidentification having more, and the occupied resource of the terminal is discharged, terminate this process.
By this step, the terminal contexts and terminal resource that retain in base station compared to MME are discharged more, thus
Guarantee that the terminal resource between MME and base station is consistent.
Step 407, the terminal iidentification saved in the terminal iidentification of RESET message carrying more than base station is determined, it will
The terminal iidentification carrying having more is sent to MME in RESET response message.
Step 408, MME receives RESET response message, and the context of terminal corresponding to terminal iidentification therein is deleted
It removes, discharges the occupied resource of counterpart terminal.
By the processing of step 407-408, can will be provided in MME compared to the base station mostly terminal contexts of reservation and terminal
Source is discharged, to guarantee that the terminal resource between MME and base station is consistent.
By the above-mentioned means, can be transmitted between MME and base station by reset process when the transmission of S1 interface is unstable
The end message in connection status that itself is saved, so by comparing can delete inconsistent terminal contexts
And respective resources are discharged, so that the terminal resource between MME and base station be made to be consistent.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the present invention.
Claims (4)
1. the resource synchronization method between a kind of base station and core net characterized by comprising
Base station counts the accuracy of S1 interface transmission, the mobility management entity MME when being lower than given threshold, into core net
RESET message is sent, and carries the mark for being currently at each terminal of connection status；
After the MME receives the RESET message, by the end in each terminal iidentification locally saved and the RESET message
End mark is compared；
If the terminal iidentification that the MME is locally saved will have more more than the terminal iidentification in the RESET message, the MME
Terminal iidentification corresponding to terminal contexts release, and discharge its shared resource；
If the terminal iidentification in the RESET message is more than the terminal iidentification locally saved, the terminal iidentification having more is carried
The base station is sent in RESET response message；It the base station will be corresponding to the terminal iidentification in the RESET response message
Terminal contexts delete, and discharge its shared resource.
2. the method according to claim 1, wherein the terminal iidentification is UE S1AP ID.
3. the resource synchronization method between a kind of base station and core net characterized by comprising
The accuracy of mobility management entity MME statistics S1 interface transmission in core net, when being lower than given threshold, Xiang Jizhan
RESET message is sent, and carries the mark for being currently at connection status and each terminal of the access base station；
After the base station receives the RESET message, by the end in each terminal iidentification locally saved and the RESET message
End mark is compared；
If the terminal iidentification that the base station saves is more than the terminal iidentification in the RESET message, the base station will be more
The release of terminal contexts corresponding to terminal iidentification out, and discharge its shared resource；
If the terminal iidentification in the RESET message is more than the terminal iidentification locally saved, the terminal that the base station will have more
Mark carries and is sent to the MME in RESET response message；The MME is by the terminal iidentification in the RESET response message
Corresponding terminal contexts are deleted, and discharge its shared resource.
4. according to the method described in claim 3, it is characterized in that, the terminal iidentification is UE S1AP ID.
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| CN201610104059.4A CN107124774B (en) | 2016-02-25 | 2016-02-25 | A kind of resource synchronization method between base station and core net |
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| CN201610104059.4A CN107124774B (en) | 2016-02-25 | 2016-02-25 | A kind of resource synchronization method between base station and core net |
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| CN107124774B true CN107124774B (en) | 2019-11-22 |
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| CN113301598B (en) * | 2021-05-24 | 2021-12-21 | 中国电信集团系统集成有限责任公司 | Resource management method for base station and core network |
| CN114245452B (en) * | 2021-12-25 | 2023-10-20 | 京信网络系统股份有限公司 | Method, device and communication system for synchronizing resources between network elements |
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| CN101600192A (en) * | 2008-06-06 | 2009-12-09 | 大唐移动通信设备有限公司 | User's context method for synchronous, equipment and system |
| CN101778474A (en) * | 2009-01-08 | 2010-07-14 | 中兴通讯股份有限公司 | Method for releasing resources on gateway of home base station |
| CN102340881A (en) * | 2010-07-23 | 2012-02-01 | 中兴通讯股份有限公司 | Method and system for deleting terminal information on direct interface |
| CN102783241A (en) * | 2010-02-10 | 2012-11-14 | 捷讯研究有限公司 | Method and apparatus for state/mode transitioning |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100394827C (en) * | 2004-09-10 | 2008-06-11 | 上海贝尔阿尔卡特股份有限公司 | Anti-activating method and related apparatus for multi-media and multiple-broadcasting service |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101600192A (en) * | 2008-06-06 | 2009-12-09 | 大唐移动通信设备有限公司 | User's context method for synchronous, equipment and system |
| CN101778474A (en) * | 2009-01-08 | 2010-07-14 | 中兴通讯股份有限公司 | Method for releasing resources on gateway of home base station |
| CN102783241A (en) * | 2010-02-10 | 2012-11-14 | 捷讯研究有限公司 | Method and apparatus for state/mode transitioning |
| CN102340881A (en) * | 2010-07-23 | 2012-02-01 | 中兴通讯股份有限公司 | Method and system for deleting terminal information on direct interface |
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Granted publication date: 20191122 |