CN101772166B - Method for processing service release failure in LTE communication system - Google Patents
Method for processing service release failure in LTE communication system Download PDFInfo
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- CN101772166B CN101772166B CN2008102421476A CN200810242147A CN101772166B CN 101772166 B CN101772166 B CN 101772166B CN 2008102421476 A CN2008102421476 A CN 2008102421476A CN 200810242147 A CN200810242147 A CN 200810242147A CN 101772166 B CN101772166 B CN 101772166B
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Abstract
The invention relates to a method for processing service release failure in an LTE communication system, which comprises that: 1, when the service release is failed, node equipment eNB fills a service list with release failure in a response message, transmits the service list to a mobile management entity MME, and saves the service list with release failure simultaneously; 2, the node equipment eNB organizes and transmits an air interface message for releasing the resource related to the service list with release failure to user equipment UE; 3, after receiving the air interface message transmitted by the node equipment eNB, the user equipment UE releases the resource related to the service list with release failure and responds a completion message to the node equipment eNB; and 4, after receiving the completion message of the user equipment UE, the node equipment eNB releases the local resource occupied by the service list with release failure.
Description
Technical field the present invention relates to digital communicating field; Relate in particular to Long Term Evolution (the LongTerm Evolution of Access Network; Abbreviation LTE) eNB (the E-UTRAN NodeB of GSM; The Node B of evolution) equipment specifically, relates to the processing method of service release failure in a kind of LTE communication system.
Background technology is in the LTE system; In professional releasing and processing, at first be through NAS (Non-Access-Stratum, Non-Access Stratum) interacting message; The resource of carrying out Non-Access Stratum (being application layer) discharges; After mutual normal completion of non-access layer information, the dispose procedure of just initiating the corresponding resource of Access Layer by MME (Mobility ManagementEntity, mobile management entity).In Access Layer resource dispose procedure; If because Access Network side or UE (User Equipment; Subscriber equipment) some of side is unusual, may cause service release failure, at this moment need echoed when answering message to MME by eNB; Carry the traffic ID tabulation of release failure, idiographic flow can be divided into two kinds of scenes.
The business that UE initiatively initiates discharges, and like accompanying drawing 1, message flow is following:
1.UE send NAS message, notice MME carries out business and discharges;
2.MME receive the NAS message of UE,, give the NAS message of UE issuing service deexcitation request if verification message is correct;
3.UE receive the service deactivation request of the NAS layer of MME,, respond the NAS message that service deactivation is accepted to MME, and begin high-rise resource is discharged if verification message is correct;
4.MME receive the NAS message of UE in 3, the business of initiating Access Layer discharges, and carries out business through S1 message informing eNB and discharges;
5.eNB according to the professional release command of the MME that receives, organize message, notice UE carries out professional relevant Access Layer resource and discharges, and discharges the local resource that takies;
6. if occur in 5 unusually, cause service release failure, eNB then inserts response message to the service lists of release failure, sends to MME;
The business that MME initiatively initiates discharges, and like accompanying drawing 2, message flow is following:
1.MME initiate NAS message, notice UE carries out service deactivation;
2.MME receive the NAS message of UE,, respond the NAS message of service deactivation acceptance response to UE, and begin to discharge high-rise resource if verification message is correct;
3.MME receive the response of UE in 2, the business of initiating Access Layer discharges, and carries out business through S1 message informing eNB and discharges;
4.eNB according to the professional release command of the MME that receives, organize message, notice UE carries out professional relevant Access Layer resource and discharges, and discharges the local resource that takies;
5. if occur in 4 unusually, cause service release failure, eNB then inserts response message to the service lists of release failure, sends to MME;
The problem of these processing is that the processing of MME after receiving the service lists of carrying release failure depends on the concrete realization of producer; It or not a clearly behavior of regulation; Therefore corresponding, the processing of eNB is just uncertain, may occur two problems like this:
(1) since in this case the application layer resource of UE and MME discharge, so and not release of Access Layer resource is if the high-rise resource of UE and MME and the situation that the Access Layer resource can not be alignd can appear in untimely processing;
(2) iff depends on the application layer of UE or MME and the resource keepalive mechanism between the Access Layer is done release, and dispose procedure can be slow, and this just means that also this UE can not initiate corresponding service again during this period of time, directly influences user's impression.
Summary of the invention the objective of the invention is to overcome the weak point of prior art, has proposed the processing method of service release failure in a kind of LTE system.
The invention discloses the processing method of service release failure in a kind of LTE communication system, comprise the steps:
The first step, when service release failure, node device eNB inserts response message to the service lists of release failure, sends to mobile management entity MME, preserves the service lists of said release failure simultaneously;
In second step, said node device eNB tissue also sends the idle message that discharges the resource relevant with the service lists of said release failure and gives user equipment (UE);
In the 3rd step, said user equipment (UE) discharges the resource relevant with the service lists of said release failure after receiving the said idle message that said node device eNB issues, and to said node device eNB response completion message;
In the 4th step, after said node device eNB receives the said completion message of said user equipment (UE), discharge the shared local resource of service lists of said release failure.
In one embodiment of the invention,, also comprise in the said first step with between second step: the step first, said node device eNB initiatively initiates the professional request that discharges to said mobile management entity MME; After step second, said mobile management entity MME receive that also the business of the said node device eNB of verification discharges request, issue the professional release command of the service lists of said release failure; Step the third, said node device eNB receives said professional release command, gets into for second step.
In another embodiment of the present invention, in the said first step with between second step, also comprise step: node device eNB sends the professional Indication message that discharges according to the failure service lists to the MME tissue, gets into for second step.
In another embodiment of the present invention, after said the 4th step completion, said node device eNB sends the professional message that discharges completion for said mobile management entity MME.
Perhaps; After node device eNB receives the said completion message of said user equipment (UE) described in said the 4th step; Send the professional message of accomplishing that discharges to said mobile management entity MME earlier, discharge the shared local resource of service lists of said release failure then.
In one embodiment of the invention; Set positive integer N as the number of attempt threshold value; Discharge the resource failure relevant at user equipment (UE) described in said the 3rd step with the service lists of said release failure; Then continue to carry out N repeatedly and subtract three steps of step first to the 1 time, successfully discharge the resource relevant, and respond for said node device eNB and accomplish message with the service lists of said release failure until said subscriber equipment.
The processing method of service release failure in a kind of LTE communication system of the present invention; Compared with prior art; Owing to taked the eNB side behind service release failure, initiatively to discharge resource policy; Can avoid high level and the Access Layer of MME in this case or UE could discharge problem of resource, reach the effect that inserts the timely release of side resource, not only save the flow processing time through strategies such as resource keepalive mechanisms; But also can avoid the moment service release failure problem that causes of problem, improved system reliability.
Description of drawings
Fig. 1 is the professional release flow that UE initiates.
Fig. 2 is the professional release flow that MME initiates.
Fig. 3 is first process flow figure of service release failure in the LTE communication system.
Fig. 4 is second process flow figure of service release failure in the LTE communication system.
Fig. 5 is the 3rd process flow figure of service release failure in the LTE communication system.
Embodiment explains further details to the present invention below in conjunction with accompanying drawing and embodiment.
Embodiment 1:
1: suppose the current A of having, B, C, four business of D, UE or MME initiate the professional A of release, B, the release of C through NAS message.If cause occurring professional B because bottom link network hit or other are handled reasons, C release failure, eNB are at first replied the response that has the release failure service lists to MME, in the tabulation be exactly professional B, the sign of C; As shown in Figure 3 is first process flow figure of service release failure in the LTE communication system:
2: like the operation of accompanying drawing 3 first steps, eNB preserves the service lists of release failure in 1, i.e. { B, C};
3: like the accompanying drawing operation in 3 second steps; ENB initiatively initiates the professional request that discharges according to the service lists information of preserving in the top step to MME; The business that request discharges is exactly the failure service lists of preserving, just business { B, the C} of notice MME release failure in the flow process of front;
4: like the 3rd step of accompanying drawing 3, MME receives that the business of eNB discharges request message, if the business information verification is correct, just gives the release command of eNB issuing service, and the service lists of release is service lists { B, the C} that the eNB request discharges;
5: like the 4th step of accompanying drawing 3, eNB receives professional release command, according to the professional B that will discharge, and the information of C, tissue also sends idle message and gives UE, and notice UE discharges and these professional relevant resources;
6: like accompanying drawing 3 the 5th step, UE discharges UE side related resource after receiving the message that eNB issues, and responds to eNB and to accomplish message.After eNB receives the completion response message of UE, discharge B, the professional shared local resource of C;
7: like the 6th step of accompanying drawing 3, eNB sends professional release of message informing MME to MME and accomplishes after local resource discharges completion.Flow process finishes.
Embodiment 2:
1: suppose the current A of having, B, C, four business of D, UE or MME initiate professional A through NAS message, B, the release of C.If because professional B appears in bottom transmission network hit or other reasons, C release failure, eNB are at first replied to MME and are had release failure service lists { B, the response of C};
2: like accompanying drawing 4 first steps, eNB preserves service lists { B, the C} of release failure in 1 simultaneously;
3: like accompanying drawing 4 second step operation, eNB initiatively initiates the professional request that discharges according to the service lists information of preserving in the top step to MME, and the business that request discharges is exactly failure service lists { B, the C} that preserves;
4: like the 3rd step of accompanying drawing 4, MME receives that the business of eNB discharges request message, if the business information verification is correct, just gives the release command of eNB issuing service, and the service lists of release is service lists { B, the C} that the eNB request discharges;
5: like the 4th step of accompanying drawing 4, eNB receives professional release command, and according to the business information that will discharge, tissue also sends idle message and gives UE, and notice UE discharges and B, these professional relevant resources of C;
After 6:UE receives the message that eNB issues, discharge UE side related resource, and respond to eNB and to accomplish message.After eNB receives the completion response message of UE, send professional release of message informing MME to MME and accomplish i.e. accompanying drawing 4 the 5th step operation.
7:eNB discharges B after sending message to MME, the professional shared local resource of C is accomplished release flow.
Embodiment 3:
1: suppose the current A of having, B, C, four business of D, UE or MME initiate professional A through NAS message, B, C discharges.If because professional B appears in bottom transmission network hit or other reasons, C release failure, eNB are at first replied to MME and are had release failure service lists { B, the response of C};
2: like accompanying drawing 5 first steps, eNB preserves service lists { B, the C} of release failure in 1 simultaneously;
3: like 5 second steps of accompanying drawing, eNB is according to B, and the resource information that C is professional, also transmission business of tissue discharge Indication message and give MME, these professional related resources of notice MME release;
4: like the 3rd step of accompanying drawing 5, eNB is according to B, and the resource information tissue that C is professional also sends idle message and gives UE, and notice UE discharges and B, the professional relevant resource of C;
5: like the 4th step of accompanying drawing 5, after UE receives message, discharge B, the related resource that the C business takies, and to eNB response completion response message.After eNB receives response message, discharge B, these professional shared local resources of C.Flow process finishes.
Method of the present invention is following:
Suppose that MME has initiated professional release, go wrong that to partial service or whole service release failure, eNB has returned the response message that has the release failure service lists to MME and insert side.At this moment can select two kinds of processing methods.
Method one: eNB attempts proceeding professional release, can solve because moment the service release failure that causes of problem.
The first step, in order to attempt initiating to MME the service fail of front release failure, eNB need preserve the service lists of release failure;
In second step, according to the service lists of preserving in the first step, eNB initiatively initiates these professional release requests to MME;
In the 3rd step, MME gives the release command of eNB issuing service after receiving that the business of eNB discharges request, and eNB carries out normal process, and notice UE discharges business and resource;
In the 4th step, eNB discharges relevant local resource after receiving the completion response of UE;
In the 5th step, eNB replys professional release to MME and accomplishes response.
In method one, the 4th step and the 5th step order can be put upside down.In addition, also can certain number of times thresholding (such as 3 times) be set, when the 3rd step or the 4th goes on foot still release failure, continue to attempt to initiate to discharge request by eNB, up to number of attempt more than or equal to predefined number of times threshold value.
Method two: eNB thinks that the MME resource can discharge through the resource of internal resource verification completion MME side, at this moment only needs to consider the release of access side resource.With reference to accompanying drawing 4, step is following:
The first step, in order to organize the release of related resource, eNB need preserve the service lists of release failure;
In second step, eNB sends the professional Indication message that discharges according to the failure business information of preserving in the first step to MME, and notice MME discharges related resource.ENB organizes space interface signaling according to these professional current related resources that takies simultaneously, sends to UE, and the purpose in this step is exactly to accelerate the release that the UE side joint is gone into resource;
In the 3rd step, after receiving the completion response message of UE, eNB discharges the eNB side resource that these business take, and this step is in order to accelerate the release of eNB side resource.
Claims (6)
1. the processing method of service release failure in the LTE communication system is characterized in that, comprises the steps:
The first step, when service release failure, node device eNB inserts response message to the service lists of release failure, sends to mobile management entity MME, the service lists that while node device eNB preserves said release failure;
In second step, the idle message of the resource that said node device eNB tissue and transmission are relevant with the service lists of said release failure is given user equipment (UE);
In the 3rd step, said user equipment (UE) discharges the resource relevant with the service lists of said release failure after receiving the said idle message that said node device eNB issues, and to said node device eNB response completion message;
In the 4th step, after said node device eNB receives the said completion message of said user equipment (UE), discharge the shared local resource of service lists of said release failure.
2. method according to claim 1 is characterized in that, in the said first step with between second step, also comprises the steps: the step first, and said node device eNB initiatively initiates the professional request that discharges to said mobile management entity MME;
After step second, said mobile management entity MME receive that also the business of the said node device eNB of verification discharges request, issue the professional release command of the service lists of said release failure;
Step the third, said node device eNB receives said professional release command, gets into for second step.
3. method according to claim 1 is characterized in that, in the said first step with between second step, can comprise the steps: that node device eNB sends the professional Indication message that discharges according to the service lists of release failure to the MME tissue, gets into for second step.
4. method according to claim 2 is characterized in that, after accomplishing in said the 4th step, said node device eNB sends the professional message of accomplishing that discharges for said mobile management entity MME.
5. method according to claim 2; It is characterized in that; After node device eNB receives the said completion message of said user equipment (UE) described in said the 4th step; Send the professional message of accomplishing that discharges to said mobile management entity MME earlier, discharge the shared local resource of service lists of said release failure then.
6. method according to claim 2; It is characterized in that: set positive integer N as the number of attempt threshold value; Discharge the resource failure relevant at user equipment (UE) described in said the 3rd step with the service lists of said release failure; Then continue to carry out N repeatedly and subtract three steps of step first to the 1 time, successfully discharge the resource relevant, and respond for said node device eNB and accomplish message with the service lists of said release failure until said subscriber equipment.
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| CN2008102421476A CN101772166B (en) | 2008-12-31 | 2008-12-31 | Method for processing service release failure in LTE communication system |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1996912A (en) * | 2006-01-03 | 2007-07-11 | 华为技术有限公司 | Switching method of the user device in the long evolving network |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1996912A (en) * | 2006-01-03 | 2007-07-11 | 华为技术有限公司 | Switching method of the user device in the long evolving network |
Non-Patent Citations (5)
| Title |
|---|
| Evolved Universal Terrestrial Radio Access Network (E-UTRAN) |
| 3rd Generation Partnership Project.Technical Specification Group Radio Access Network * |
| Evolved Universal Terrestrial Radio Access Network (E-UTRAN) * |
| JP特开2004-192346A 2004.07.08 |
| S1 Application Protocol (S1AP) (Release 8).《3GPP TS 36.413 V8.3.0》.2008,全文. * |
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Application publication date: 20100707 Assignee: SHENZHEN ZTE MICROELECTRONICS TECHNOLOGY CO., LTD. Assignor: ZTE Corporation Contract record no.: 2015440020319 Denomination of invention: Method for processing service release failure in LTE communication system Granted publication date: 20120606 License type: Common License Record date: 20151123 |
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