CN102958198B - The abnormal conditions processing method of RAB releasing request and RNC - Google Patents
The abnormal conditions processing method of RAB releasing request and RNC Download PDFInfo
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- CN102958198B CN102958198B CN201110242904.1A CN201110242904A CN102958198B CN 102958198 B CN102958198 B CN 102958198B CN 201110242904 A CN201110242904 A CN 201110242904A CN 102958198 B CN102958198 B CN 102958198B
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Abstract
The invention provides a kind of abnormal conditions processing method and RNC of RAB releasing request, wherein method comprises: after step 100, RNC send RAB releasing request to CN, set the first timing, when described RNC does not receive the Iu interface release command coming from described CN in described first timing, perform following step 110, otherwise perform following step 120; Step 110, described RNC send RAB releasing request to described CN, and return the described step 100 of execution; Step 120, described RNC discharge RAB resource, and the Iu interface discharged between described RNC with described CN is connected.The present invention reduces the stand-by period of RNC, overcome the problem that RAB resource cannot discharge for a long time.
Description
Technical field
The present invention relates to a kind of abnormal conditions processing method and RNC of RAB releasing request, belong to wireless communication technology field.
Background technology
Iu interface is responsible core net (Core Ne twork, CN) and radio network controller (Radio Network Controller be called for short:, be called for short: the interface of the Signalling exchange RNC), in the related protocol of existing Iu interface, (Radio Access Bearer is called for short: the object giving RAB releasing request in the description of RAB) releasing request is one or several RAB of release relevant RAB.
In the prior art, RNC, by sending to CN the dispose procedure that RAB releasing request triggers RAB, wherein specifies the RAB resource needing release, the reason of RAB release; When CN receives described RAB releasing request, this CN can determine whether reply the release command of Iu interface, to trigger corresponding RAB dispose procedure to RNC.
But, sometimes can there are some abnormal conditions and cause CN cannot reply the release command of Iu interface.Such as, when Iu interface flash, CN does not receive the RAB releasing request that RNC sends.Or CN proper reception of the RAB releasing request of RNC, but when CN just in time thinks that the connection of Iu interface should retain owing to now receiving the short message service of user, this CN just determines the release not initiating Iu interface, therefore also would not reply the release command of Iu interface.Under these abnormal conditions, RNC can wait for the Iu interface release command that CN replys always, thus causes the problem that RAB resource cannot discharge for a long time.
Summary of the invention
The invention provides a kind of abnormal conditions processing method and RNC of RAB releasing request, in order to solve when abnormal conditions occur, the problem that RAB resource cannot discharge for a long time.
One aspect of the present invention provides a kind of abnormal conditions processing method of RAB releasing request, comprising:
Step 100, RNC set the first timing, when described RNC does not receive the Iu interface release command coming from described CN in described first timing, perform following step 110, otherwise perform following step 120 after sending RAB releasing request to CN;
Step 110, described RNC send RAB releasing request to described CN, and return the described step 100 of execution;
Step 120, described RNC discharge RAB resource, and the Iu interface discharged between described RNC with described CN is connected.
The present invention provides a kind of RNC on the other hand, comprising:
First setting module, for after described RNC sends RAB releasing request to CN, sets the first timing;
First receiver module, comes from the Iu interface release command of described CN for wait-receiving mode in described first timing;
First sending module, for when the first receiver module receives described Iu interface release command in described first timing, sends RAB releasing request to described CN, and triggers described first setting module operation;
First release module, for when the first receiver module does not receive described Iu interface release command in described first timing, release RAB resource, and the Iu interface discharged between described RNC with described CN is connected.
The present invention reduces the stand-by period of RNC, overcome the problem that RAB resource cannot discharge for a long time.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the flow chart of the abnormal conditions processing method embodiment one of RAB releasing request of the present invention;
Fig. 2 is the signaling diagram of the abnormal conditions processing method embodiment one of RAB releasing request of the present invention;
Fig. 3 is the flow chart of the abnormal conditions processing method embodiment two of RAB releasing request of the present invention;
Fig. 4 is the signaling diagram of the abnormal conditions processing method embodiment two of RAB releasing request of the present invention;
Fig. 5 is the flow chart of the abnormal conditions processing method embodiment three of RAB releasing request of the present invention;
Fig. 6 is the signaling diagram of the abnormal conditions processing method embodiment three of RAB releasing request of the present invention;
Fig. 7 is the structural representation of RNC embodiment one of the present invention;
Fig. 8 is the structural representation of RNC embodiment two of the present invention;
Fig. 9 is the structural representation of RNC embodiment three of the present invention.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 is the flow chart of the abnormal conditions processing method embodiment one of RAB releasing request of the present invention, as shown in the figure, comprises the steps:
Step 100, RNC set the first timing, when described RNC does not receive the Iu interface release command coming from described CN in described first timing, perform following step 110, otherwise perform following step 120 after sending RAB releasing request to CN.
Particularly, described RNC can by starting described first timing of timer setting, and this first timing is configured by network side, can be such as 5 seconds.When the timer expires, if do not received yet from the Iu interface release command of described CN, then perform following step 110, if having received in the first timing from the Iu interface release command of described CN, then perform lower step 120.
Step 110, described RNC send RAB releasing request to described CN, and return the described step 100 of execution.
Namely after described RNC sends RAB releasing request to CN in this step, again set the first timing, and continue to wait for the Iu interface release command coming from described CN in this first timing.
Step 120, described RNC discharge RAB resource, and the Iu interface discharged between described RNC with described CN is connected.
As shown in Figure 2, RNC have received the Iu interface release command that CN replys to the signaling diagram of method described in the present embodiment after repeatedly sending RAB releasing request.
In method described in the present embodiment, RNC sends RAB releasing request when not receiving the Iu interface release command coming from described CN in the first timing set again, until receive the Iu interface release command of CN reply, because the abnormal conditions causing CN cannot reply the release command of Iu interface to RNC can't occur repeatedly, such as, when RNC sends RAB releasing request again, CN does not receive the short message service of user, therefore just the release command of Iu interface can normally be replied, thus decrease the stand-by period of RNC, overcome the problem that RAB resource cannot discharge for a long time.
Fig. 3 is the flow chart of the abnormal conditions processing method embodiment two of RAB releasing request of the present invention, and as shown in the figure, method described in the present embodiment comprises the steps: taking a step forward of above-mentioned steps 110 of execution
Step 200, described RNC judge whether the quantity of the RAB releasing request sent exceedes the first default threshold value, when judging that described quantity does not exceed described first threshold value, performs described step 110, otherwise performs following step 210.
Wherein, the span of described first threshold value is natural number.In some cases, the abnormal conditions causing CN cannot reply the release command of Iu interface to RNC are caused by the fault relevant to RAB releasing request sometimes, and such as, CN cannot receive the RAB releasing request that RNC sends.Now, the mode only by merely repeating to send RAB releasing request is difficult to overcome this type of abnormal conditions.Therefore set the first threshold value in this step, when the quantity of the RAB releasing request sent exceedes this first threshold value, then no longer continue to send RAB releasing request, then take the measure described in following steps.
Step 210, described RNC send Iu interface releasing request to described CN, and set the second timing, when described RNC does not receive the Iu interface release command coming from described CN in described second timing, return and perform described step 210, otherwise perform described step 120.
Wherein, described Iu interface releasing request is the request for asking to discharge the connection of Iu interface, and after the connection of Iu interface is released, corresponding RAB resource is also just corresponding to be discharged, thus also can reach the object of RAB resource release.
Particularly, described RNC can by starting described second timing of second timer setting, and this second timing is also configured by network side, can be such as 5 seconds.When second timer time-out, if do not received yet certainly in the Iu interface release command of described CN, then return and perform described step 210, continued to send Iu interface releasing request to described CN by described RNC, if have received in the second timing from the Iu interface release command of described CN, then perform described step 120.
The signaling diagram of method described in the present embodiment as shown in Figure 4, after RNC sends repeatedly RAB releasing request, have sent again repeatedly Iu interface releasing request, and in this second timing, have received the Iu interface release command of CN reply, the concrete number of times sent is relevant with the duration that timer is configured.
In method described in the present embodiment, when the mode by repeating to send RAB releasing request can not overcome abnormal conditions, change into and send Iu interface releasing request, until receive the Iu interface release command of CN reply, thus decrease the stand-by period of RNC, overcome the problem that RAB resource cannot discharge for a long time.
Fig. 5 is the flow chart of the abnormal conditions processing method embodiment three of RAB releasing request of the present invention, as shown in the figure, also comprises the steps: further after method above-mentioned steps 210 described in the present embodiment
Step 300, described RNC judge whether the quantity of the Iu interface releasing request sent exceedes the second default threshold value, when judging that the quantity of described Iu interface releasing request does not exceed described second threshold value, then perform described step 210, otherwise perform step 310.
Wherein, the span of described second threshold value is natural number.In some cases, the abnormal conditions causing CN cannot reply the release command of Iu interface to RNC are caused by the fault relevant to Iu interface releasing request sometimes, and such as, CN cannot receive the Iu interface releasing request that RNC sends.Now, the mode only by merely repeating to send Iu interface releasing request is difficult to overcome this type of abnormal conditions.Therefore set the second threshold value in this step, when the quantity of the Iu interface releasing request sent exceedes this second threshold value, then no longer continue to send Iu interface releasing request, then take the measure described in following steps.
Step 310, described RNC discharge bottom SCCP (Signal Connection Control Part, the abbreviation: SCCP) of this RNC.
Wherein, described SCCP is that (Signaling System, be called for short: connect and the part controlled for realizing signaling SS7), after this part is released, RAB resource and the connection of Iu interface all will be released signaling system 7.
Step 320, the described CN bottom SCCP to described RNC detects, and when detecting that the bottom SCCP of described RNC is released, described CN discharges the bottom SCCP of this CN.
By this step, the bottom SCCP of RNC and core net can be made to be consistent.
The signaling diagram of method described in the present embodiment as shown in Figure 6, RNC sends repeatedly RAB releasing request and does not repeatedly all receive the Iu interface release command that CN replys after Iu interface releasing request, then RNC discharges bottom SCCP voluntarily, and the concrete number of times sent is relevant with the duration that timer is configured.
Fig. 7 is the structural representation of RNC embodiment one of the present invention, by embodiment one to implement the above described method, as shown in the figure, this RNC comprises: the first setting module 11, first receiver module 12, first sending module 13, first release module 14, and its operation principle is as follows:
After described RNC sends RAB releasing request to CN, set the first timing by the first setting module 11, specifically can by starting described first timing of timer setting, this first timing is configured by network side, can be such as 5 seconds.
After this, the Iu interface release command of described CN is come from by the first receiver module 12 wait-receiving mode in described first timing, when first receiver module 12 receives described Iu interface release command in described first timing, by the first sending module 13 when sending RAB releasing request to described CN, and trigger described first setting module operation; When the first receiver module 12 does not receive described Iu interface release command in described first timing, discharge RAB resource by the first release module 14, and the Iu interface discharged between described RNC with described CN is connected.
As shown in Figure 2, RNC have received the Iu interface release command that CN replys to the signaling diagram of RNC implementation procedure described in the present embodiment after repeatedly sending RAB releasing request.
RNC described in the present embodiment sends RAB releasing request when not receiving the Iu interface release command coming from described CN in the first timing set again, until receive the Iu interface release command of CN reply, because the abnormal conditions causing CN cannot reply the release command of Iu interface to RNC can't occur repeatedly, such as, when RNC sends RAB releasing request again, CN does not receive the short message service of user, therefore just the release command of Iu interface can normally be replied, thus decrease the stand-by period of RNC, overcome the problem that RAB resource cannot discharge for a long time.
Fig. 8 is the structural representation of RNC embodiment two of the present invention, uses embodiment two to implement the above described method, the basis of above-mentioned RNC embodiment one comprises further: its operation principle of the first judge module is as follows:
Before described first sending module 13 runs, first judge whether the quantity of the RAB releasing request sent exceedes the first default threshold value by the first judge module 21, when judging that the quantity of described RAB releasing request does not exceed described first threshold value, then trigger described first sending module 13 and run.Namely again send RAB releasing request by the first sending module 13, and set the first timing.
When described first judge module 21 judges that the quantity of described RAB releasing request exceedes described first threshold value, send Iu interface releasing request by the second sending module 22 to described CN, and set the second timing; Then by the second receiver module 23 in described second timing wait-receiving mode to the Iu interface release command coming from described CN, when receiving described Iu interface release command, trigger described second sending module 22 to run, otherwise trigger described first sending module 13 and run.
The signaling diagram of RNC implementation procedure described in the present embodiment as shown in Figure 4, after RNC sends repeatedly RAB releasing request, have sent again repeatedly Iu interface releasing request, and have received the Iu interface release command that CN replys in this second timing, the concrete number of times sent is relevant with the duration that timer is configured.
RNC described in the present embodiment is when the mode by repeating to send RAB releasing request can not overcome abnormal conditions, change into and send Iu interface releasing request, until receive the Iu interface release command of CN reply, thus decrease the stand-by period of RNC, overcome the problem that RAB resource cannot discharge for a long time.
Fig. 9 is the structural representation of RNC embodiment three of the present invention, and use embodiment three to implement the above described method, as shown in the figure, the basis of above-mentioned RNC embodiment two comprises further: the second judge module 31 and the second release module 32, its operation principle is as follows:
After described second sending module 22 runs, second judge module 31 judges whether the quantity of the Iu interface releasing request sent exceedes the second default threshold value, when judging that the quantity of described Iu interface releasing request does not exceed described second threshold value, then trigger described second sending module to run, namely again send Iu interface releasing request, and set the second timing; When the second judge module 31 judges that the quantity of described Iu interface releasing request exceedes described second threshold value, discharged the bottom SCCP of this RNC by the second release module 32.Correspondingly, the bottom SCCP of described CN to described RNC detects, and when detecting that the bottom SCCP of described RNC is released, described CN discharges the bottom SCCP of this CN, to make the bottom SCCP of RNC and core net be consistent.
The signaling diagram of the implementation procedure of RNC described in the present embodiment as shown in Figure 6, RNC sends repeatedly RAB releasing request and does not repeatedly all receive the Iu interface release command that CN replys after Iu interface releasing request, then RNC discharges bottom SCCP voluntarily, and the concrete number of times sent is relevant with the duration that timer is configured.
RNC described in the present embodiment is when the mode by sending RAB releasing request and Iu interface releasing request all can not overcome abnormal conditions, no longer wait for that CN replys the release command of Iu interface, and discharge bottom SCCP voluntarily, thus decrease the stand-by period of RNC, overcome the problem that RAB resource cannot discharge for a long time.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can have been come by the hardware that program command is relevant, aforesaid program can be stored in a computer read/write memory medium, this program, when performing, performs the step comprising said method embodiment; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (6)
1. an abnormal conditions processing method for RAB releasing request, is characterized in that, comprising:
Step 100, RNC set the first timing, when described RNC does not receive the Iu interface release command coming from described CN in described first timing, perform following step 110, otherwise perform following step 120 after sending RAB releasing request to CN;
Step 110, described RNC send RAB releasing request to described CN, and return the described step 100 of execution;
Step 120, described RNC discharge RAB resource, and the Iu interface discharged between described RNC with described CN is connected;
Also comprise before described step 110: step 200, described RNC judge whether the quantity of the RAB releasing request sent exceedes the first default threshold value, when judging that the quantity of described RAB releasing request does not exceed described first threshold value, then perform described step 110;
In described step 200, when described RNC judges that the quantity of described RAB releasing request exceedes described first threshold value, continue to perform following steps:
Step 210, described RNC send Iu interface releasing request to described CN, and set the second timing, when described RNC does not receive the Iu interface release command coming from described CN in described second timing, return and perform described step 210, otherwise perform described step 120.
2. method according to claim 1, it is characterized in that, also comprise after described step 210: step 300, described RNC judge whether the quantity of the Iu interface releasing request sent exceedes the second default threshold value, when judging that the quantity of described Iu interface releasing request does not exceed described second threshold value, then return and perform described step 210.
3. method according to claim 2, is characterized in that, in described step 300, when described RNC judges that the quantity of described Iu interface releasing request exceedes described second threshold value, continues to perform following steps:
Step 310, described RNC discharge the bottom SCCP of this RNC;
Step 320, the described CN bottom SCCP to described RNC detects, and when detecting that the bottom SCCP of described RNC is released, described CN discharges the bottom SCCP of this CN.
4. a RNC, is characterized in that, comprising:
First setting module, for after described RNC sends RAB releasing request to CN, sets the first timing;
First receiver module, comes from the Iu interface release command of described CN for wait-receiving mode in described first timing;
First sending module, for when the first receiver module does not receive described Iu interface release command in described first timing, sends RAB releasing request to described CN, and triggers described first setting module operation;
First release module, for when the first receiver module receives described Iu interface release command in described first timing, release RAB resource, and the Iu interface discharged between described RNC with described CN is connected;
First judge module, before running at described first sending module, judging whether the quantity of the RAB releasing request sent exceedes the first default threshold value, when judging that the quantity of described RAB releasing request does not exceed described first threshold value, then triggering described first sending module operation;
Second sending module, for when described first judge module judges that the quantity of described RAB releasing request exceedes described first threshold value, sends Iu interface releasing request to described CN, and sets the second timing;
Second receiver module, for wait-receiving mode in described second timing to the Iu interface release command coming from described CN, when not receiving described Iu interface release command, triggering described second sending module and running, otherwise trigger described first sending module operation.
5. RNC according to claim 4, is characterized in that, also comprises:
Second judge module, after running at described second sending module, judge whether the quantity of the Iu interface releasing request sent exceedes the second default threshold value, when judging that the quantity of described Iu interface releasing request does not exceed described second threshold value, then trigger described second sending module and run.
6. RNC according to claim 5, is characterized in that, also comprises:
Second release module, during for judging that when the second judge module the quantity of described Iu interface releasing request exceedes described second threshold value, discharges the bottom SCCP of this RNC.
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| CN201110242904.1A CN102958198B (en) | 2011-08-23 | 2011-08-23 | The abnormal conditions processing method of RAB releasing request and RNC |
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| CN201110242904.1A CN102958198B (en) | 2011-08-23 | 2011-08-23 | The abnormal conditions processing method of RAB releasing request and RNC |
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| CN103826327B (en) * | 2014-01-28 | 2018-03-23 | 大唐移动通信设备有限公司 | A kind of method and apparatus of communication service release |
| CN105636240B (en) * | 2014-10-27 | 2019-04-30 | 中国移动通信集团广东有限公司 | Link methodology, device and controller are removed between radio network controller and core net |
| CN112492704B (en) * | 2020-12-11 | 2022-07-19 | Oppo（重庆）智能科技有限公司 | Session management method, device, terminal equipment and computer readable storage medium |
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| CN101090349A (en) * | 2006-07-14 | 2007-12-19 | 华为技术有限公司 | Release request processing method and device |
| CN101568147A (en) * | 2009-05-15 | 2009-10-28 | 刘建 | Method and device of overtime processing of wireless local area network authentication infrastructure |
| CN101902829A (en) * | 2010-06-22 | 2010-12-01 | 中兴通讯股份有限公司 | User equipment and method for processing abnormal connection release |
| CN102075992A (en) * | 2011-01-07 | 2011-05-25 | 大唐移动通信设备有限公司 | Method and equipment for determining terminal anomaly |
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| CN1538767A (en) * | 2003-10-24 | 2004-10-20 | 大唐移动通信设备有限公司 | Method and device for realizing resource seizing based on priority of radio link |
| CN101090349A (en) * | 2006-07-14 | 2007-12-19 | 华为技术有限公司 | Release request processing method and device |
| CN101568147A (en) * | 2009-05-15 | 2009-10-28 | 刘建 | Method and device of overtime processing of wireless local area network authentication infrastructure |
| CN101902829A (en) * | 2010-06-22 | 2010-12-01 | 中兴通讯股份有限公司 | User equipment and method for processing abnormal connection release |
| CN102075992A (en) * | 2011-01-07 | 2011-05-25 | 大唐移动通信设备有限公司 | Method and equipment for determining terminal anomaly |
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