CN100479600C - Method for selecting core network by network resource identification code - Google Patents
Method for selecting core network by network resource identification code Download PDFInfo
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Abstract
The invention relates to a method for selecting corn network based on NRI, wherein it is characterized in that: when the user device that not support network share processes position register request, route region refresh request, and adhere request, the wireless network controller RNC selects relative corn network for UE; when the selected corn network is accident, said RNC is best to select other corn networks of corn network operator relative to the corn network; when the RNC can not select the corn network based on NRI, the invention selects the corn network that the NRI can match, to avoid the fail of user adhere or position register caused by random selection, and avoid the load increase of whole network, to affect the property of whole network.
Description
Technical field
The present invention relates to the communications field, relate in particular to the method for selecting core net according to the Internet resources identification code.
Background technology
Introduced MOCN (Multi-Operator Core Network in 3GPP TS 23.251 standards of the agreement of 3GPP Release6, MOCN) notion, and proposed under the situation that MOCN exists, the UE of network enabled sharing characteristic is not by the method for RNC selection core net, and implementation process is as follows:
After RNC receives Initial Direct Transfer (initial direct-sending) message of UE transmission, additional redirect attempt flag set (core net route reselection sign) on the basis of the NAS of this message (Non-Access Stratum) part, judge IDNNS (the IntraDomain NAS Node Selector in the described Initial Direct Transfer message then, the Non-Access Stratum node is selected parameter in the territory) be from NRI (Network Resource Identifier, the Internet resources identification code) derives, if described IDNNS derives from NRI, then continue to judge whether RNC can choose core net according to described N RI.
If RNC can choose core net according to described NRI, then RNC directly selects described core net, and the message that will have a redirect attempt flag set mark sends to selected core net.
If RNC can not choose core net according to this NRI, then core network operators of picked at random is selected the core net of this core network operators then, and the message that will have a redirect attempt flag set mark sends to selected core net.
Above-mentioned be propose in present 3GPP TS 23.251 standards under the situation that MOCN exists, the UE of network enabled sharing characteristic selects the method for core net by RNC, there is following defective in it:
1, in the time of can not solving the core net that matches according to NRI as RNC and break down, how the UE of network enabled sharing characteristic does not select core network operators and corresponding core net.
2, when RNC can not choose core net according to this NRI, its method by selecting at random causes the user to adhere to or the location registers failure easily.And, select this processing mode of core network operators can cause the load of RNC to raise at random, very big to the performance impact of RNC.
Summary of the invention
The purpose of this invention is to provide and a kind ofly select the method for core net according to the Internet resources identification code, by the present invention, when having provided the core net fault when NRI correspondence among the RNC, the UE of network enabled sharing characteristic selects the specific embodiments of the core net of correspondence.
The objective of the invention is to be achieved through the following technical solutions:
A kind of method according to Internet resources identification code selection core net comprises:
When the user equipment (UE) that A, non-network enabled are shared need be selected core net, by radio network controller (RNC) is that described UE selects corresponding core net, comprising: the initial direct-sending message that described RNC sends according to UE obtains Non-Access Stratum node selection parameter I DNNS in the territory; When described RNC confirms described IDNNS from Temporary Mobile Subscriber Identity TMSI or packet domain temporary mobile subscriber sign P-TMSI derivation, calculate corresponding Internet resources identification code NRI value, go to mate corresponding core net according to described NRI, in the time can matching corresponding core net, then select described core net; In the time can not matching corresponding core net, then remove to mate corresponding core network operators, and then select the core net of the core network operators that matched according to described NRI according to described NRI;
B, when selected core net breaks down, preferential other core net selected in the core network operators corresponding of then described RNC with the core net of described fault.
UE need select the situation of core net to comprise in the described steps A:
UE carries out position register request, Routing Area Update request or adheres to request.
Described step B specifically comprises:
B1, described RNC judge whether fault of the selected core net that arrives, when confirming to break down, and other core net in the then preferential core network operators of selecting described core net correspondence; Otherwise, confirm selected core net.
When UE was in the networking of MOCN, described step B also comprised:
B2, when the whole core net fault of the core network operators of selected core net correspondence, do not have the core network operators of selected mistake according to the priority-level selective sequential from high to low of the core network operators of sharing, select the core net of selected core network operators then.
Described step B2 specifically comprises:
B21, when the whole core net fault of the core network operators of selected core net correspondence, the core network operators of judging selected core net correspondence whether with current networking in other core network operators have shared relationship, if there is not shared relationship, then use former RNC to select core network protocols; Otherwise, execution in step B22;
B22, do not have the core network operators of selected mistake, select the core net of selected core network operators then according to the priority-level selective sequential from high to low of the core network operators of sharing.
Described step B2 also comprises:
B23, judge whether successfully to select the core net of selected core network operators, if selected core net is then confirmed in success; Otherwise, execution in step B24;
B24, judge in the current networking whether whole selected mistake of other core network operators of sharing, if whole selected mistakes then use former RNC to select core network protocols; Otherwise, change step B22 over to.
Before described steps A, comprise:
In RNC, set up the corresponding relation of NRI and core network operators.
Before described step B, comprise:
In RNC, set up the shared relationship between each core network operators and its other core network operators that need share in the current networking.
Described step B also comprises:
For all core network operators that have shared relationship distribute priority.
As seen from the above technical solution provided by the invention, when the shared user equipment (UE) of network enabled did not carry out network attachment or location registers, described radio network controller (RNC) was that described UE selects corresponding core net; And when selected core net breaks down, other core net in the core network operators of the described core net correspondence of the preferential selection of then described RNC.Therefore when the present invention had provided core net fault when NRI correspondence among the RNC, the UE of network enabled sharing characteristic selected the specific embodiments of the core net of correspondence.
In addition, when RNC can not choose core net according to this NRI, the preferential core net of selecting described NRI can match core network operators of the present invention, thereby avoided the method by selecting at random in the prior art, the drawback that the user who causes easily adheres to or location registers is failed, and avoided in the prior art influencing the performance defect of RNC owing to select core network operators to cause the load of RNC to raise at random.
Description of drawings
Fig. 1 is the flow chart of first embodiment provided by the invention.
Embodiment
Before implementing the present invention, need in RNC, set up the corresponding relation of NRI and core network operators PLMN ID (Public Land Mobile Nerwork sign), comprising:
Set up the corresponding relation of the PLMN ID of a NRI and a core network operators, and the shared relationship of other core network operators in described core network operators and the MOCN networking.
Wherein, setting up the core network operators of NRI correspondence and the shared relationship of other core network operators in the MOCN networking comprises:
1, sets up the corresponding relation of the PLMN ID of the PLMN ID of described core network operators and other core network operators in the MOCN networking.
2, distribute priority for all core network operators that have shared relationship.If do not distribute clear and definite priority level, show that then priority level is identical.
By above-mentioned setting, the user in the core net of this core network operators in the whole faults of the core net of this core network operators or whole when congested, can use the core net that has other core network operators of shared relationship with this core network operators.
First embodiment provided by the invention is under the MOCN networking, and the scheme according to NRI selects core net as shown in Figure 1, comprises the steps:
The initial direct-sending message that step 1, RNC basis send when the shared user equipment (UE) of network enabled does not carry out location registers, route district, network attachment obtains IDNNS.
When the shared user equipment (UE) of network enabled did not carry out location registers, route district, network attachment, RNC received the not Initial Direct Transfer message of the UE transmission of network enabled sharing characteristic, obtains IDNNS from described message.
Step 2, described RNC judges that whether this IDNNS derives, if not then execution in step 3, promptly carries out the processing of follow-up flow process according to the related protocol of 3GPP from TMSI (Temporary Mobile Subscriber Identity) or P-TMSI (packet domain temporary mobile subscriber sign); If IDNNS derives from TMSI or P-TMSI, then calculate corresponding NRI, then execution in step 4;
Step 4, whether described RNC judges according to described NRI can choose corresponding core net, if can, then execution in step 5; Otherwise execution in step 7.
Step 5 is judged whether fault of the selected core net that arrives, if there is not fault, then execution in step 6, promptly confirm selected core net, and handles follow-up flow process according to the related protocol of 3GPP; Otherwise, change step 10 over to.
Step 7 judges according to described NRI whether to choose corresponding core network operators, if can, then execution in step 9; If can not, then execution in step 8, promptly handle follow-up flow process according to the related protocol of 3GPP.
Step 9, select selected to the core network operators of correspondence in core net, change step 5 then over to.
Step 10, all whether all core net of the core network operators of the core net correspondence of failure judgement fault, and if not, then execution in step 11, promptly select the normal core net of operation of the core network operators of described correspondence; A position register request, Routing Area Update request, adhere to the request flow process in, a core net is only selected once.As if the whole faults of all core net of described core network operators, then there is not the core network operators of selected mistake according to the priority-level selective sequential from high to low of the core network operators of sharing, select the core net of selected core network operators then.Specific implementation process is as follows:
Step 12, the core network operators of the core net correspondence of failure judgement whether with the MOCN networking in other core network operators have shared relationship, if there is not shared relationship, then execution in step 13, use former RNC to select core network protocols, promptly handle follow-up flow process according to the related protocol of 3GPP; Otherwise, execution in step 14;
Step 14 does not have the core network operators of selected mistake according to the priority-level selective sequential from high to low of the core network operators of sharing, and selects the core net of selected core network operators then.
In the step 14,, then select one at random, select the core net of selected core network operators then from the core network operators of sharing if the priority-level of all core network operators of sharing is identical.A position register request, Routing Area Update request, adhere to the request flow process in, a shared core network operators is only once selected.
Step 15 judges whether successfully to select the core net of selected core network operators, if success, then execution in step 16, promptly confirm selected core net, and handles follow-up flow process according to the related protocol of 3GPP; Otherwise, execution in step 17;
Step 17 is judged in the MOCN networking whether whole selected mistake of other core network operators of sharing, if whole selected mistakes, then execution in step 18, use former RNC to select core network protocols, promptly handle follow-up flow process according to related protocol; Otherwise, change step 14 over to.
Foregoing description RNC according to the specific implementation process that NRI selects core net, after RNC confirms to choose corresponding core net, then INITIAL UE MESSAGE (initial UE message) message is sent to this core net according to related protocol.
The difference of second embodiment provided by the invention and first embodiment is, there be not the process of step 12 to step 18, and in RNC, do not need to be provided with the shared relationship of the core network operators and other core network operators in the MOCN networking of NRI correspondence, and the priority-level of the core network operators of sharing.Remaining implementation process is as follows:
At first execution in step 1 is to the process of step 9, and the associated description among itself and first embodiment is identical substantially, is not described in detail here.
Execution in step 10 then, and all whether all core net of the core network operators of the core net correspondence of failure judgement fault, if not, then selects the normal core net of operation of the core network operators of described correspondence; If the whole faults of all core net of described core network operators then use former RNC to select core network protocols.
By above-mentioned specific embodiments as can be seen, among the present invention, if NRI can match core net, then when core net fault that NRI among the RNC matches, the UE of network enabled sharing characteristic can preferentially not select other core net of the core network operators of described core net correspondence, if all core net of the operator of selected core net correspondence all break down, then there is not the core net of other core network operators of sharing of selected mistake according to the priority selection.If N RI can not match core net, the then preferential core net of selecting described NRI can match core network operators, when the whole fault of all core net of selected core network operators, then select not have the core net of other core network operators of sharing of selected mistake according to priority.Therefore when the present invention had provided core net fault when NRI correspondence among the RNC, the UE of network enabled sharing characteristic selected the specific embodiments of the core net of correspondence.
In addition, when RNC can not choose core net according to this NRI, the preferential core net of selecting described NRI can match core network operators of the present invention, thereby avoided the method by selecting at random in the prior art, the drawback that the user who causes easily adheres to or location registers is failed, and avoided in the prior art influencing the performance defect of RNC owing to select core network operators to cause the load of RNC to raise at random.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (9)
1, a kind of method according to Internet resources identification code selection core net is characterized in that, comprising:
When the user equipment (UE) that A, non-network enabled are shared need be selected core net, by radio network controller (RNC) is that described UE selects corresponding core net, comprising: the initial direct-sending message that described RNC sends according to UE obtains Non-Access Stratum node selection parameter I DNNS in the territory; When described RNC confirms described IDNNS from Temporary Mobile Subscriber Identity TMSI or packet domain temporary mobile subscriber sign P-TMSI derivation, calculate corresponding Internet resources identification code NRI value, go to mate corresponding core net according to described NRI, in the time can matching corresponding core net, then select described core net; In the time can not matching corresponding core net, then remove to mate corresponding core network operators, and then select the core net of the core network operators that matched according to described NRI according to described NRI;
B, when selected core net breaks down, preferential other core net selected in the core network operators corresponding of then described RNC with the core net of described fault.
2, method according to claim 1 is characterized in that, UE need select the situation of core net to comprise in the described steps A:
UE carries out position register request, Routing Area Update request or adheres to request.
3, method according to claim 1 is characterized in that, described step B specifically comprises:
B1, described RNC judge whether fault of the selected core net that arrives, when confirming to break down, and other core net in the then preferential core network operators of selecting described core net correspondence; Otherwise, confirm selected core net.
4, method according to claim 3 is characterized in that, when UE was in the networking of MOCN, described step B also comprised:
B2, when the whole core net fault of the core network operators of selected core net correspondence, do not have the core network operators of selected mistake according to the priority-level selective sequential from high to low of the core network operators of sharing, select the core net of selected core network operators then.
5, method according to claim 4 is characterized in that, described step B2 specifically comprises:
B21, when the whole core net fault of the core network operators of selected core net correspondence, the core network operators of judging selected core net correspondence whether with current networking in other core network operators have shared relationship, if there is not shared relationship, then use former RNC to select core network protocols; Otherwise, execution in step B22;
B22, do not have the core network operators of selected mistake, select the core net of selected core network operators then according to the priority-level selective sequential from high to low of the core network operators of sharing.
6, method according to claim 5 is characterized in that, described step B2 also comprises:
B23, judge whether successfully to select the core net of selected core network operators, if selected core net is then confirmed in success; Otherwise, execution in step B24;
B24, judge in the current networking whether whole selected mistake of other core network operators of sharing, if whole selected mistakes then use former RNC to select core network protocols; Otherwise, change step B22 over to.
7, method according to claim 1 is characterized in that, comprises before described steps A:
In RNC, set up the corresponding relation of NRI core network operators.
8, method according to claim 4 is characterized in that, comprises before described step B:
In RNC, set up the shared relationship between each core network operators and its other core network operators that need share in the current networking.
9, method according to claim 8 is characterized in that, described step B also comprises after setting up described shared relationship before:
For all core network operators that have shared relationship distribute priority.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100994008A CN100479600C (en) | 2006-07-19 | 2006-07-19 | Method for selecting core network by network resource identification code |
| PCT/CN2007/000679 WO2007098711A1 (en) | 2006-03-03 | 2007-03-02 | Method, device and system for selecting core network |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2006100994008A CN100479600C (en) | 2006-07-19 | 2006-07-19 | Method for selecting core network by network resource identification code |
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| CN1909728A CN1909728A (en) | 2007-02-07 |
| CN100479600C true CN100479600C (en) | 2009-04-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2597909A4 (en) * | 2010-07-23 | 2016-12-14 | Zte Corp | Method, base station and trunking communication system for selecting temporary core network |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101674628A (en) * | 2009-09-30 | 2010-03-17 | 中兴通讯股份有限公司 | Route reselection method and radio network controller |
| EP3324671A1 (en) * | 2011-09-30 | 2018-05-23 | Nec Corporation | Communication system, method, and apparatus |
| EP2632201B1 (en) * | 2011-11-25 | 2017-11-08 | Huawei Technologies Co., Ltd. | Method and device for network access |
| CN102833819B (en) * | 2012-08-03 | 2018-03-27 | 中兴通讯股份有限公司 | The system of selection of NAS nodes and device |
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2006
- 2006-07-19 CN CNB2006100994008A patent/CN100479600C/en active Active
Non-Patent Citations (2)
| Title |
|---|
| Network sharing, Architecture and functionaldescription. 3GPP TS 23.251 V6.5.0 Technical Specification. 2005 |
| Network sharing, Architecture and functionaldescription. 3GPP TS 23.251 V6.5.0 Technical Specification. 2005 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2597909A4 (en) * | 2010-07-23 | 2016-12-14 | Zte Corp | Method, base station and trunking communication system for selecting temporary core network |
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Effective date of registration: 20211231 Address after: 450046 Floor 9, building 1, Zhengshang Boya Plaza, Longzihu wisdom Island, Zhengdong New Area, Zhengzhou City, Henan Province Patentee after: xFusion Digital Technologies Co., Ltd. Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee before: HUAWEI TECHNOLOGIES Co.,Ltd. |