CN104301992A - Method, device and system for selecting adjacent home subscriber servers - Google Patents
Method, device and system for selecting adjacent home subscriber servers Download PDFInfo
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- CN104301992A CN104301992A CN201410542543.6A CN201410542543A CN104301992A CN 104301992 A CN104301992 A CN 104301992A CN 201410542543 A CN201410542543 A CN 201410542543A CN 104301992 A CN104301992 A CN 104301992A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/17—Selecting a data network PoA [Point of Attachment]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/26—Network addressing or numbering for mobility support
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Abstract
The invention provides a method, device and system for selecting adjacent home subscriber servers. The method comprises the steps that 1, international mobile subscriber identity (IMSI) information of a user terminal is configured to the multiple adjacent home subscriber servers (HSS); 2, after adhering request information carrying the IMSI information of the user terminal is received, HSS selection is carried out; 3, whether the matched IMSI information, carried by the adhering request information, of the user terminal exists in the IMSI information configured to the HSSs is judged; 4, whether a link between the IMSI information and the selected HSS is available is judged; 5, authentication request information carrying the IMSI information of the user terminal is sent to the current HSS; 6, whether other adjacent HSSs are configured is judged, if yes, the step two is executed, HSS selection is carried out again, otherwise the step seven is executed, adhering failure information is sent to the user terminal, and access of a user is rejected. The access rate and the adhering success rate of the user are effectively increased.
Description
Technical field
The present invention relates to mobile communication technology field, particularly relate to the methods, devices and systems that a kind of adjacent home signature user server is selected.
Background technology
In current LTE EPC (block core of Evolved Packet Core evolution) network, terminal use is carrying out in start attaching process, after needing to complete relevant operation flow via base station, core net and home signature user server HSS (Home Subscriber Server) equipment, can attachment be completed, thus reach the condition possessing and carry out follow-up business.
In industry enterprise customer application, there is such application scenarios: industry or enterprise customer are configured with many cover EPC network environments in different geographical, and be configured with local HSS separately, mobile management entity MME (Mobility Management Entity) network element simultaneously in each cover EPC is except having syntople with local HSS, and the HSS in EPC network element relevant to other also provided syntople (being namely configured with many adjacent HSS data in MME); User is carrying out in the process of adhering to, MME network element is to IMSI (the International Mobile Subscriber Identity international mobile subscriber identity) reporting information of terminal use, need the selection carrying out HSS, thus confirm that the IMSI information of terminal use exists and has corresponding authority in HSS.Meanwhile, for special access right or priority support user, the IMSI of meeting arrangement and use special section, the IMSI of this number section requires to store in each HSS, to ensure that this part user all normally can access at all-network industry business of going forward side by side.Therefore, for the multiple adjacent HSS data of MME configuration, the IMSI number section of or priority support user special for these, can be configured in the IMSI number section that each adjacent HSS covers.
Fig. 1 is that in prior art, user terminal is carrying out message flow chart in start attaching process, as shown in Figure 1: attachment is initiated in user terminal UE (User Equipment) start, send attachment request Attach Request message to MME network element, in described message, carry IMSI information.After MME network element receives Attach Request message, the IMSI information of carrying according to message carries out the selection of HSS, and send authentication information request Authentication Information Request to HSS after selection, carry IMSI information equally in described message, authentication information is responded Authentication Information Answer message and sends to MME network element by HSS.
Fig. 2 is the method flow diagram that in prior art, adjacent home signature user server is selected; As shown in Figure 2, after MME network element receives Attach Request message, the IMSI information of carrying according to message carries out the selection of HSS; Judge whether the IMSI number section of mating in the HSS information configured comprises the IMSI of the user terminal that Attach Request message is carried, if do not comprised, then MME network element selects the HSS network element failure of match user terminal IMSI, attachment failed message is sent to terminal, refusal user access, if comprised, then judge whether the link that have matched between the HSS network element of this user terminal IMSI and MME network element can be used; If available, then MME network element successfully chooses the HSS network element of match user terminal IMSI, Authentication Information Request (IMSI) message is sent to selected HSS, carry out the process of subsequent attachment flow process, if unavailable, then MME network element selects the HSS network element failure of match user terminal IMSI, sends attachment failed message to terminal, refusal user access.
And in current implementation, when MME configures multiple adjacent HSS, its IMSI number section covered does not allow repetition, this implementation, for the use of above-mentioned special priority support user, from configuration data aspect, cannot be reached, secondly, when user adheres to, MME searches in the adjacent HSS of correspondence user's IMSI information, when MME connects in HSS data first, do not find the IMSI information of user (the first adjacent HSS covering Duan Zhongwei comprises the IMSI information of user), or first comprises this user's IMSI information in adjacent HSS but this adjacent HSS and MME network element link is obstructed, then MME refuses the attachment request of this user, this terminal use cannot carry out subsequent attachment flow process, user then cannot access, instant now may can to use by other adjacent HSS links comprising this user's IMSI information of configuring of this MME, MME also can not proceed searching of other HSS, terminal use corresponding to this IMSI is caused to adhere to unsuccessful, user cannot access.
Summary of the invention
(1) technical problem that will solve
The present invention proposes the methods, devices and systems that a kind of adjacent home signature user server is selected, the problem that access rate and attachment success rate for solving user terminal in prior art are low.
(2) technical scheme
For solving the problems of the technologies described above, the invention provides a kind of method that adjacent home signature user server is selected, the method comprises:
S1. the international mobile subscriber identity IMSI information of user terminal is configured to multiple adjacent home signature user server HSS respectively;
S2. when after the Attach Request message receiving the IMSI information of carrying user terminal, HSS selection is carried out;
S3. judge whether mate the IMSI information having the user terminal carried in described Attach Request message in the IMSI information of the described HSS configuration selected, if so, then perform step S4, otherwise, perform step S6;
S4. judge whether the link between the described HSS selected can be used, if so, then perform step S5, otherwise, perform step S6;
S5. the authentication request message of the IMSI information of carrying user terminal is sent to described current HSS;
S6. judge whether also to be configured with other adjacent HSS, if so, then return step S2, again carry out HSS selection, otherwise, perform step S7;
S7. attachment failed message is sent to user terminal.
Preferably, described method also comprises:
Set up in advance and be connected with the link of multiple adjacent HSS.
Preferably, described method also comprises:
Adjacent HSS allocation list is generated according to described multiple adjacent HSS.
Preferably, described step S6 specifically comprises:
Search adjacent HSS allocation list;
According to described adjacent HSS allocation list, judge whether also to be configured with other adjacent HSS, if so, then return step S2, select other the adjacent HSS in a described allocation list, otherwise, perform step S7.
The invention allows for the device that a kind of adjacent home signature user server is selected, this device comprises:
IMSI information configuration module, for being configured to multiple adjacent home signature user server HSS respectively by the international mobile subscriber identity IMSI information of user terminal;
Select module, for when after the Attach Request message receiving the IMSI information of carrying user terminal, carry out HSS selection;
First judge module, for judging whether mate the IMSI information having the user terminal carried in described Attach Request message in the IMSI information that the described HSS selected configures, if so, then enters the second judge module, otherwise, enter the 3rd judge module;
Second judge module, for judging whether the link between the described HSS selected can be used, and if so, then enters sending module, otherwise, enter the 3rd judge module;
Sending module, for being sent to described current HSS by the authentication request message of the IMSI information of carrying user terminal; Described sending module is also for selecting failed rear line terminal to send attachment failed message as adjacent HSS;
3rd judge module, is also configured with other adjacent HSS for judging whether, if so, then returns described selection module and again carries out HSS selection, otherwise, send attachment failed message by described sending module to user terminal.
Preferably, described device also comprises:
Connection establishment module, is connected with the link of multiple adjacent HSS for setting up in advance.
Preferably, described device also comprises:
Allocation list generation module, for generating adjacent HSS allocation list according to described multiple adjacent HSS.
Preferably, described 3rd judge module specifically comprises:
Search unit, for searching adjacent HSS allocation list;
Judging unit, for according to described adjacent HSS allocation list, judges whether also to be configured with other adjacent HSS, if so, then again enter selection module, select other the adjacent HSS in a described allocation list, otherwise, send attachment failed message by described sending module to user terminal.
Preferably, described device is mobile management entity MME network element.
The invention allows for the system that a kind of adjacent home signature user server is selected, this system comprises: the device that above-mentioned arbitrary adjacent home signature user server is selected.
(3) beneficial effect
The methods, devices and systems that the adjacent home signature user server adopting the present invention to propose is selected, effectively cover IMSI number Duan Zhongwei at current neighbor HSS to comprise user IMSI or this HSS and comprised this user IMSI but this HSS and MME link is unavailable, and MME is when being also configured with other adjacent HSS data, by continuing the judgement other adjacent HSS being carried out to IMSI number section coupling and Link State, to check whether other HSS in adjacent HSS table can use, thus increase MME network element and adjoin HSS and be chosen to power, and then improve access rate and the attachment success rate of user.
Accompanying drawing explanation
Can understanding the features and advantages of the present invention clearly by reference to accompanying drawing, accompanying drawing is schematic and should not be construed as and carry out any restriction to the present invention, in the accompanying drawings:
Fig. 1 is that in prior art, user terminal is carrying out message flow chart in start attaching process;
Fig. 2 is the method flow diagram that in prior art, adjacent home signature user server is selected;
Fig. 3 is the method flow diagram that a kind of adjacent home signature user server of the present invention is selected;
Fig. 4 is the apparatus module figure that a kind of adjacent home signature user server of the present invention is selected.
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.
The method flow diagram that Fig. 3 selects for a kind of adjacent home signature user server that the embodiment of the present invention one provides, as shown in Figure 3, the method comprises the following steps:
S1. the international mobile subscriber identity IMSI information of user terminal is configured to multiple adjacent home signature user server HSS respectively;
S2. when after the Attach Request message receiving the IMSI information of carrying user terminal, HSS selection is carried out;
S3. judge whether mate the IMSI information having the user terminal carried in described Attach Request message in the IMSI information of the described HSS configuration selected, if so, then perform step S4, otherwise, perform step S6;
S4. judge whether the link between the described HSS selected can be used, if so, then perform step S5, otherwise, perform step S6;
S5. the authentication request message of the IMSI information of carrying user terminal is sent to described current HSS;
S6. judge whether also to be configured with other adjacent HSS, if so, then return step S2, again carry out HSS selection, otherwise, perform step S7;
S7. attachment failed message is sent to user terminal.
Wherein, described step S6 specifically comprises: search adjacent HSS allocation list; According to described adjacent HSS allocation list, judge whether also to be configured with other adjacent HSS, if so, then return step S2, select other the adjacent HSS in a described allocation list, continue to judge whether mate the IMSI information having the user terminal carried in described Attach Request message in the IMSI information that described HSS configures, otherwise MME selects HSS failure, send attachment failed message to user terminal, refusal user access
In embodiments of the present invention, only for the IMSI number section of special priority support user, the method that the adjacent home signature user server that the present invention proposes is selected is described in detail, not limitation of the present invention.
First in many adjacent HSS data of mobile management entity MME configuration, number section that its IMSI number section covered allows to duplicate is configured, secondly on the basis of existing scheme, increase other adjacent HSS data search and judge flow process: in coupling IMSI number section with after judging the availability of Diameter link, comprise user IMSI or this HSS comprised this user IMSI but this HSS and MME link is unavailable as the first adjacent HSS effectively covers IMSI number Duan Zhongwei, and MME is also configured with other adjacent HSS data, then continue the judgement to other the adjacent HSS number of carrying out section couplings and Link State, to check whether other HSS in adjacent HSS allocation list can use, thus increase MME network element and adjoin HSS and be chosen to power, and then improve access rate and the attachment success rate of user
Further, described method also comprises: set up in advance and be connected with the link of multiple adjacent HSS.In the embodiment of the present invention, first need to be the multiple adjacent HSS of mobile management entity MME configuration in advance, set up in advance and be connected with the link of multiple adjacent HSS, the IMSI number section allowing adjacent HSS to cover duplicates.
Further, described method also comprises: generate adjacent HSS allocation list according to described multiple adjacent HSS.Described adjacent HSS allocation list is used for mobile management entity MME in register system and is configured with those adjacent home signature user server HSS.
In the embodiment of the present invention, MME network element can check whether other adjacent HSS element configuration datas do not inquired about in addition, as there is other adjacent HSS element configuration datas, then again carries out the flow process that MME selects HSS.The increase of this process step, to in prior art, even if under there are many adjacent HSS configuration data situations, MME has also only carried out supplementary process to the coupling of the first adjacent HSS configuration data and Link State and inspection problem, by adding the adjacent HSS data of all MME network element configuration and the coupling of Link State and inspection, improve the corresponding HSS of user terminal IMSI and be matched to power, thus improve access rate and the attachment success rate of user.
The apparatus module figure that Fig. 4 selects for a kind of adjacent home signature user server that the embodiment of the present invention two provides, as shown in Figure 4, this device comprises:
IMSI information configuration module 201, for being configured to multiple adjacent home signature user server HSS respectively by the international mobile subscriber identity IMSI information of user terminal;
Select module 202, for when after the Attach Request message receiving the IMSI information of carrying user terminal, carry out HSS selection;
First judge module 203, for judging whether mate the IMSI information having the user terminal carried in described Attach Request message in the IMSI information that the described HSS selected configures, if so, then enter the second judge module 204, otherwise, enter the 3rd judge module 206;
Second judge module 204, for judging whether the link between the described HSS selected can be used, and if so, then enters sending module 205, otherwise, enter the 3rd judge module 206;
Sending module 205, for being sent to described current HSS by the authentication request message of the IMSI information of carrying user terminal; Described sending module is also for selecting failed rear line terminal to send attachment failed message as adjacent HSS;
3rd judge module 206, is also configured with other adjacent HSS for judging whether, if so, then returns described selection module 202 and again carries out HSS selection, otherwise, send attachment failed message by described sending module 205 to user terminal.
Further, this device also comprises: connection establishment module, is connected with the link of multiple adjacent HSS for setting up in advance.
Further, this device also comprises: allocation list generation module, for generating adjacent HSS allocation list according to described multiple adjacent HSS.
The device that adjacent home signature user server is selected in embodiments of the present invention is mobile management entity MME network element.
Further, the 3rd judge module 206 specifically comprises: search unit and judging unit; Wherein, search unit, for searching adjacent HSS allocation list; Judging unit, for according to described adjacent HSS allocation list, judge whether also to be configured with other adjacent HSS, if, then again enter and select module 202, select other the adjacent HSS in a described allocation list to carry out follow-up judgement, otherwise, attachment failed message is sent to user terminal, refusal user access by described sending module 205.
The embodiment of the present invention three additionally provides the system that a kind of adjacent home signature user server is selected, and this system comprises the device that any one adjacent home signature user server is as shown in Figure 4 selected.Wherein, the device that adjacent home signature user server is selected introduces technical scheme with the structure shown in Fig. 4.The device that this adjacent home signature user server is selected comprises IMSI information configuration module 201, for the international mobile subscriber identity IMSI information of user terminal is configured to multiple adjacent home signature user server HSS respectively; Select module 202, for when after the Attach Request message receiving the IMSI information of carrying user terminal, carry out HSS selection; First judge module 203, for judging whether mate the IMSI information having the user terminal carried in described Attach Request message in the IMSI information that the described HSS selected configures, if so, then enter the second judge module 204, otherwise, enter the 3rd judge module 206; Second judge module 204, for judging whether the link between the described HSS selected can be used, and if so, then enters sending module 205, otherwise, enter the 3rd judge module 206; Sending module 205, for the authentication request message of the IMSI information of carrying user terminal is sent to described current HSS, carries out subsequent attachment process; Described sending module is also for selecting failed rear line terminal to send attachment failed message as adjacent HSS; 3rd judge module 206, is also configured with other adjacent HSS for judging whether, if so, then returns described selection module 202 and again carries out HSS selection, otherwise, send attachment failed message by described sending module 205 to user terminal, refusal user access.
The methods, devices and systems that the adjacent home signature user server utilizing the present invention to propose is selected, when MME network element configuration has many adjacent HSS data, the IMSI number section allowing multiple adjacent HSS to cover duplicates, and by increase to all of its neighbor HSS and and MME network element link lookup of state and judge flow process, increase MME network element adjoins HSS and is chosen to power, thus improves access rate and the attachment success rate of user.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention can by hardware implementing, and the mode that also can add necessary general hardware platform by software realizes.Based on such understanding, technical scheme of the present invention can embody with the form of software product, it (can be CD-ROM that this software product can be stored in a non-volatile memory medium, USB flash disk, portable hard drive etc.) in, comprise some instructions and perform method described in each embodiment of the present invention in order to make a computer equipment (can be personal computer, server, or the network equipment etc.).
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, the module in accompanying drawing or flow process might not be that enforcement the present invention is necessary.
It will be appreciated by those skilled in the art that the module in the device in embodiment can carry out being distributed in the device of embodiment according to embodiment description, also can carry out respective change and be arranged in the one or more devices being different from the present embodiment.The module of above-described embodiment can merge into a module, also can split into multiple submodule further.
Be only several specific embodiment of the present invention above, but the present invention is not limited thereto, the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (10)
1. a method for adjacent home signature user server selection, it is characterized in that, described method comprises:
S1. the international mobile subscriber identity IMSI information of user terminal is configured to multiple adjacent home signature user server HSS respectively;
S2. when after the Attach Request message receiving the IMSI information of carrying user terminal, HSS selection is carried out;
S3. judge whether mate the IMSI information having the user terminal carried in described Attach Request message in the IMSI information of the described HSS configuration selected, if so, then perform step S4, otherwise, perform step S6;
S4. judge whether the link between the described HSS selected can be used, if so, then perform step S5, otherwise, perform step S6;
S5. the authentication request message of the IMSI information of carrying user terminal is sent to described current HSS;
S6. judge whether also to be configured with other adjacent HSS, if so, then return step S2, again carry out HSS selection, otherwise, perform step S7;
S7. attachment failed message is sent to user terminal.
2. method according to claim 1, is characterized in that, described method also comprises:
Set up in advance and be connected with the link of multiple adjacent HSS.
3. method according to claim 1 and 2, is characterized in that, described method also comprises:
Adjacent HSS allocation list is generated according to described multiple adjacent HSS.
4. method according to claim 3, is characterized in that, described step S6 specifically comprises:
Search adjacent HSS allocation list;
According to described adjacent HSS allocation list, judge whether also to be configured with other adjacent HSS, if so, then return step S2, select other the adjacent HSS in a described allocation list, otherwise, perform step S7.
5. a device for adjacent home signature user server selection, it is characterized in that, described device comprises:
IMSI information configuration module, for being configured to multiple adjacent home signature user server HSS respectively by the international mobile subscriber identity IMSI information of user terminal;
Select module, for when after the Attach Request message receiving the IMSI information of carrying user terminal, carry out HSS selection;
First judge module, for judging whether mate the IMSI information having the user terminal carried in described Attach Request message in the IMSI information that the described HSS selected configures, if so, then enters the second judge module, otherwise, enter the 3rd judge module;
Second judge module, for judging whether the link between the described HSS selected can be used, and if so, then enters sending module, otherwise, enter the 3rd judge module;
Sending module, for being sent to described current HSS by the authentication request message of the IMSI information of carrying user terminal; Described sending module is also for selecting failed rear line terminal to send attachment failed message as adjacent HSS;
3rd judge module, is also configured with other adjacent HSS for judging whether, if so, then returns described selection module and again carries out HSS selection, otherwise, send attachment failed message by described sending module to user terminal.
6. device according to claim 5, is characterized in that, described device also comprises:
Connection establishment module, is connected with the link of multiple adjacent HSS for setting up in advance.
7. the device according to claim 5 or 6, is characterized in that, described device also comprises:
Allocation list generation module, for generating adjacent HSS allocation list according to described multiple adjacent HSS.
8. device according to claim 7, is characterized in that, described 3rd judge module specifically comprises:
Search unit, for searching adjacent HSS allocation list;
Judging unit, for according to described adjacent HSS allocation list, judges whether also to be configured with other adjacent HSS, if so, then again enter selection module, select other the adjacent HSS in a described allocation list, otherwise, send attachment failed message by described sending module to user terminal.
9. device according to claim 5, is characterized in that, described device is mobile management entity MME network element.
10. a system for adjacent home signature user server selection, it is characterized in that, described system comprises: the device that the arbitrary described adjacent home signature user server of claim 5-9 is selected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410542543.6A CN104301992A (en) | 2014-10-14 | 2014-10-14 | Method, device and system for selecting adjacent home subscriber servers |
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| CN201410542543.6A CN104301992A (en) | 2014-10-14 | 2014-10-14 | Method, device and system for selecting adjacent home subscriber servers |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108347722A (en) * | 2017-12-18 | 2018-07-31 | 国网陕西省电力公司 | Each distribution EPC core network users roam control method and EPC core nets |
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| CN101808308A (en) * | 2009-02-18 | 2010-08-18 | 华为技术有限公司 | Attribution assigned user server addressing method, device and system |
| CN103249114A (en) * | 2013-04-03 | 2013-08-14 | 大唐移动通信设备有限公司 | Remote access method and system for group intranet |
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- 2014-10-14 CN CN201410542543.6A patent/CN104301992A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101808308A (en) * | 2009-02-18 | 2010-08-18 | 华为技术有限公司 | Attribution assigned user server addressing method, device and system |
| CN103249114A (en) * | 2013-04-03 | 2013-08-14 | 大唐移动通信设备有限公司 | Remote access method and system for group intranet |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108347722A (en) * | 2017-12-18 | 2018-07-31 | 国网陕西省电力公司 | Each distribution EPC core network users roam control method and EPC core nets |
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