CN101039523A - Joint user transferring method and communication system and service GPRS support node - Google Patents
Joint user transferring method and communication system and service GPRS support node Download PDFInfo
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- CN101039523A CN101039523A CNA2007100906783A CN200710090678A CN101039523A CN 101039523 A CN101039523 A CN 101039523A CN A2007100906783 A CNA2007100906783 A CN A2007100906783A CN 200710090678 A CN200710090678 A CN 200710090678A CN 101039523 A CN101039523 A CN 101039523A
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Abstract
The present inventive method discloses a joint user migration method and communication system and service GPRS supporting nodes, for realizing the migration of the joint user. The said method includes: a first service GPRS supporting node judges whether the users needed to be migrated is the joint customers of not, and if so, then sends the mobile equipment number of local storage to the second service GPRS supporting node; the second service GPRS supporting node initiates the location updating request to the corresponding mobile device according to the said number; and after the mobile equipment carried out the location update, the second service GPRS supporting node establishes Serving the association with the said mobile device and distributes the user IDs to the joint users. In addition, the present invention also provides a communications system and service GPRS supporting nodes. The present invention can realize the migration of the joint user.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of joint user transferring method and communication system and Serving GPRS Support Node.
Background technology
According to the 3rd generation co-operative project (3GPP, 3rd Generation Partnership Project) standard, radio network controller (RNC, Radio Network Controller) can with a plurality of Serving GPRS Support Node (SGSN, Serving GPRS Support Node) node connects, and forms many-to-many relationship.
Proposed the notion of pool area (Pool-Area) in the 3GPP standard: a pool area is formed in the zone that some RNC nodes cover, and when user terminal is roamed in this zone, does not change for it provides core net (CN, the Core Network) node of service.Can reduce like this because of the CN node changes and cause more new technological process of position, the signaling between the minimizing CN node.
A pool area provides service concurrently by several SGSN nodes usually, but also can provide service by a SGSN node.When a pool area provided service concurrently by several SGSN nodes, these SGSN nodes were promptly formed a SGSN node pool, i.e. SGSN pond.
For SGSN node of sign in a SGSN node pool, each SGSN node is assigned with a network resource identifier (NRI, Network Resource Identifier), and by Operation and Maintenance the NRI that distributes is configured in the SGSN node.When the SGSN node is the interim moving station mark in MS allocation packets territory (P-TMSI, Packet-Temporary Mobile Station Identity), in P-TMSI, insert the NRI sign of this SGSN node.In the RNC node, dispose the corresponding relation of interior all NRI of SGSN node pool and SGSN node;
When user terminal enters pool area,, it in the P-TMSI that distributes, points out NRI for providing the SGSN node (also being service SGSN node) of service.In this pool area, when each user terminal was established to Non-Access Stratum (NAS, the Non Access Stratum) connection of SGSN node, RNC was routed to initial NAS message according to NRI the SGSN node of NRI appointment.Like this, in pool area, user terminal uses same SGSN node.
If operator need safeguard (for example edition upgrading or dilatation) to certain SGSN node,, before safeguarding the user is transferred in other SGSN nodes smoothly for avoiding influencing the user of this SGSN node; When in the Pool during certain SGSN node overload, also need the user is transferred to other SGSN nodes; By RNC decision migrated users normal SGSN of certain state in the pond.
In the use of reality, there is a kind of user to be called as federated user, promptly be meant simultaneously at packet switching (PS, Packet Switched) territory and circuit switching (CS, Circuit Switched) professional user is all arranged on the territory, this moment, network operation mode was I, and promptly the mobile switching center (MSC/VLR) in the SGSN in PS territory and CS territory has Gs interface.
A kind of customer shift method is in the prior art: MS sends Attach Request message to SGSN and carries Attach Type and MS sign.If the MS sign is P-TMSI, then carry P-TMSI and corresponding Old RAI, be IMSI otherwise carry the MS sign;
Wherein Attach Type has 3 kinds of values: GPRS attach, GPRS attach while IMSIattached and Combined GPRS/IMSI attach, for the back both, SGSN needs instruct MS C/VLR to upgrade the information of MS;
When carrying out the renewal of joint route area/location, MS sends RAU Request to SGSN and carries old RAI, P-TMSI, Update Type, wherein Update Type has 4 kinds of values: RA updating, combined RA/LA updating, combined RA/LA updating with IMSI attach, Periodicupdating; For combined RA/LA updating, combined RA/LA updating with IMSIattach person, SGSN needs instruct MS C/VLR to upgrade the information of MS, otherwise just need not the information that instruct MS C/VLR upgrades MS.
But for federated user, when carrying out routing update, what updating type carried is the cycle routing update, when the user is moved on the new SGSN, cause new SGSN and do not know that this user is federated user or GPRS user, so do not have more new technological process of trigger position, still write down old SGSN Number on the MSC/VLR.So the method for prior art can not correctly realize the transfer of federated user between different SGSN.
Summary of the invention
The technical problem that the embodiment of the invention will solve provides a kind of joint user transferring method and communication system and Serving GPRS Support Node, can realize the migration of federated user.
The joint user transferring method that the embodiment of the invention provides comprises: the judgement of first Serving GPRS Support Node needs whether the user of migration is federated user, if then send the local mobile device number of storing to second Serving GPRS Support Node; Second Serving GPRS Support Node is initiated position updating request according to described number to corresponding mobile device; After mobile device carried out the position renewal, second Serving GPRS Support Node was set up with the related of described mobile device and is described federated user distributing user sign.
The communication system that the embodiment of the invention provides comprises: first Serving GPRS Support Node, second Serving GPRS Support Node, portable terminal and mobile device; Described first Serving GPRS Support Node is used to judge needs whether the user of migration is federated user, if then send the local mobile device number of storing to second Serving GPRS Support Node; Described second Serving GPRS Support Node is initiated position updating request according to described number to corresponding mobile device, and foundation also is described federated user distributing user sign with the related of described mobile device after the position is upgraded; Described mobile device is used for carrying out the position according to the request of second Serving GPRS Support Node to be upgraded; Described portable terminal is used for moving alternately according to first Serving GPRS Support Node and second Serving GPRS Support Node.
The Serving GPRS Support Node that the embodiment of the invention provides comprises: judging unit, and transmitting element, request unit is set up unit and allocation units; Described judging unit is used to judge needs whether the user of migration is federated user, if then notify transmitting element; Described transmitting element is used for sending to the service specified GPRS Support Node according to the notice of described judging unit the mobile device number of local storage; The described request unit is used for initiating position updating request according to the mobile device number that receives to corresponding mobile device; The described unit of setting up is used for upgrading in the mobile device completing place back and sets up related with described mobile device; Described allocation units are used for upgrading the back in the mobile device completing place and are user's distributing user sign.
As can be seen from the above technical solutions, the embodiment of the invention has the following advantages:
In the embodiment of the invention, the one SGSN judges at first whether the user that need move is federated user, if, then send the MSC/VLR number of local storage to the 2nd SGSN, so the 2nd SGSN can inquire the MSC/VLR into described user's service accurately, and related, so can be so that the business of federated user in PS territory and CS territory obtains migration simultaneously, so can realize the migration of federated user with its foundation.
Description of drawings
Fig. 1 is a joint user transferring method embodiment flow chart in the embodiment of the invention;
Fig. 2 is joint user transferring method signaling process figure in the embodiment of the invention;
Fig. 3 is a communication system schematic diagram in the embodiment of the invention;
Fig. 4 is a Serving GPRS Support Node schematic diagram in the embodiment of the invention.
Embodiment
The embodiment of the invention provides a kind of joint user transferring method and communication system and Serving GPRS Support Node, is used to realize the migration of federated user.
See also Fig. 1, joint user transferring method embodiment comprises in the embodiment of the invention:
101, initiate migration request;
Wherein, before portable terminal is initiated migration request, network can prejudge whether satisfy transition condition, concrete transition condition can need to be serviced for the SGSN of this portable terminal service for current, or current SGSN overload for this portable terminal service, then this portable terminal is initiated migration request.
102, judge whether the user that need move is federated user, if then execution in step 104, if not, then execution in step 103;
Wherein, the 2nd SGSN, be that old SGSN judges whether the user who initiates migration is federated user, concrete judgment mode is for judging whether this user has service needed to handle simultaneously in PS territory and CS territory, if all have service needed to handle in PS territory and CS territory, think that then this user is a federated user, in the present embodiment, whether judging means stores the mobile device number for judging this user in this locality more specifically, if store the mobile device number in this locality, think that then this user is a federated user, be understandable that, can take other means to judge whether the user who initiates migration request is federated user equally.
103, carry out domestic consumer's migration flow process;
Wherein, the migration flow process of domestic consumer is same as the prior art, is not the scope that the embodiment of the invention is considered, does not give unnecessary details herein.
104, send the mobile device number;
Wherein, old SGSN is to a SGSN, and promptly new SGSN sends the mobile device number of local storage, and in the present embodiment, concrete mobile device can be MSC or VLR, so the mobile device number is the MSC/VLR number.
In the present embodiment, old SGSN is to be added in the SGSN context response information by the mobile device number that will inquire to send to new SGSN, is described in detail in concrete send mode and the flow process signaling process below.
105, initiate position updating request;
Wherein, new SGSN initiates position updating request to corresponding mobile device after receiving the mobile device number.
106, executing location is upgraded;
Mobile device executing location after the position updating request that receives new SGSN transmission is upgraded operation.
107, set up related and allocation identification;
After the mobile device completing place was upgraded, newly SGSN set up with the related of this mobile device and is the new user ID of federated user distribution of migration, and the migration of federated user is so far finished.
See also Fig. 2, the joint user transferring method signaling process comprises in the embodiment of the invention:
201, portable terminal is initiated the RRC connection and is set up request;
202, send the initialization migration request;
MS sends a RRC message INITIAL DIRECT TRANSFER to RNC, comprises " ATTACH Request ".
203, send the initialization user message;
RNC sends the initialization user message that comprises ATTACH Request cell to old SGSN, and ATTACH Request carries old RAI, P-TMSI, ATTACH Type.ATTACH Type value Combined GPRS/IMSI attach.
204, send position updating request;
Old SGSN sends position updating request to mobile device; What Attach Type indicated is that " CombinedGPRS/IMSI attached " and Gs interface exist, SGSN need upgrade the MMContext among the MSC/VLR, SGSN sends Location Update Request to MSC/VLR, point out newLAI, IMSI, SGSN Number and Location Update Type in the message, for CombinedGPRS/IMSI Attach, Location Update Type is designated as IMSI Attach.
In the present embodiment, mobile device all is that example describes with MSC/VLR.
205, the position is upgraded and is confirmed;
Wherein, MSC/VLR storage SGSN Number and set up related with this SGSN; Last MSC/VLR replys Location Update Accept to SGSN, points out the TMSI that New MSC/VLR distributes in the message.
206, P-TMSI is set;
Old SGSN be if will shift MS to new SGSN, accepts the P-TMSI that distribution of messages is carried null-NRI, the cycle route timer duration of non-broadcast RAI and enough short time (recommendation is 4 seconds) uniting to adhere to.
207, related affirmation is finished;
208, cycle routing update flow process;
The federated user of Idle state can be initiated cycle routing update flow process.
209, initial migration request;
MS sends a RRC message INITIAL DIRECT TRANSFER to RNC, comprises " RAURequest ", and RAU Request carries non-broadcast RAI, P-TMSI, Update Type.Update Type value Periodic updating, P-TMSI carries null-NRI.
210, initial user message;
After RNC received the route messages that contains null-NRI, the signal old SGSN need move this user, needs RNC to reselect a new SGSN, gave state normal new SGSN this forwards.
211, send the SGSN context request message;
New SGSN finds old SGSN according to non-broadcast RAI, and new SGSN sends SGSN Context Request message to obtain the context of MS in old SGSN to old SGSN.
212, feedback SGSN context response information;
Old SGSN sends SGSN Context Response message to new SGSN and carries the contextual information of federated user on old SGSN, carries the MSC/VLR number simultaneously;
This step is the key of the embodiment of the invention, and MSC/VLR number cell is added in concrete being embodied as in SGSN Context Response message, and the data format of the MSC/VLR number cell of interpolation is as shown in the table:
Table 1
| 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | |
| Octet 1 | IEI | |||||||
| Octet 2 | Length indicator | |||||||
| Octet 3 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 |
| Octet 4 | digit 2 | digit 1 | ||||||
| Octet n | digit i+1 | digit i | ||||||
213, send position updating request;
New SGSN illustrates that according to the MSC/VLR number this user is that joint route upgrades, and new SGSN sends Location Update Request to MSC/VLR, notice MSC/VLR, and SGSN changes.
214, send the position and upgrade response;
MSC/VLR sends position renewal response message to new SGSN after finishing corresponding location update operations;
After SGSN receives Location Update Accept message, set up related with MSC/VLR by record MSC/VLR number, and be MS distribution P-TMSI.
215, user ID acknowledge message.
After the position of notice MSC/VLR was upgraded and finished, SGSN replied RAU Accept to MS, may carry newly assigned TMSI and P-TMSI in the message.MS is the TMSI and the P-TMSI of memory allocation, and uses TMSI or P-TMSI as user ID.Update Result is " combined RA/LAupdated ".
See also Fig. 3, communication system comprises in the embodiment of the invention:
First Serving GPRS Support Node, 302, the second Serving GPRS Support Nodes 303, portable terminal 301, mobile device 305 and radio network controller 304;
First Serving GPRS Support Node 302 is used to judge needs whether the user of migration is federated user, if then send the local mobile device number of storing to second Serving GPRS Support Node 303;
Second Serving GPRS Support Node 303 is initiated position updating request according to described number to corresponding mobile device 305, and foundation also is described federated user distributing user sign with the related of described mobile device 305 after the position is upgraded;
See also Fig. 4, Serving GPRS Support Node comprises in the embodiment of the invention:
Judging unit 401, transmitting element 402, request unit 403 is set up unit 404 and allocation units 405;
Judging unit 401 is used to judge needs whether the user of migration is federated user, if then notify transmitting element 402;
Transmitting element 402 is used for sending to the service specified GPRS Support Node according to the notice of described judging unit the mobile device number of local storage;
Setting up unit 404 is used for upgrading in the mobile device completing place back and sets up related with described mobile device;
More than a kind of joint user transferring method provided by the present invention and communication system and Serving GPRS Support Node are described in detail, according to thought of the present invention, part in specific embodiments and applications all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1, a kind of joint user transferring method is characterized in that, comprising:
The judgement of first Serving GPRS Support Node needs whether the user of migration is federated user, if then send the local mobile device number of storing to second Serving GPRS Support Node;
Second Serving GPRS Support Node is initiated position updating request according to described number to corresponding mobile device;
After mobile device carried out the position renewal, second Serving GPRS Support Node was set up with the related of described mobile device and is described federated user distributing user sign.
2, joint user transferring method according to claim 1 is characterized in that, described mobile device is a mobile switching centre, perhaps is VLR Visitor Location Register.
3, joint user transferring method according to claim 2 is characterized in that, described first Serving GPRS Support Node judges that whether the user who needs migration is that the step of federated user comprises:
First Serving GPRS Support Node judges whether described user all has business simultaneously on packet-switched domain and circuit commutative field, when all business being arranged simultaneously as if described user on packet-switched domain and circuit commutative field, judges that then described user is federated user.
4, joint user transferring method according to claim 3 is characterized in that, described first Serving GPRS Support Node judges whether described user all has professional step to comprise simultaneously on packet-switched domain and circuit commutative field:
First Serving GPRS Support Node is judged the local mobile device number that whether stores described user, if the local mobile device number that stores described user judges that then described user is federated user.
According to claim 2 or 3 described joint user transferring methods, it is characterized in that 5, described first Serving GPRS Support Node judges that the user who needs migration comprises before the step of federated user:
Judge whether to satisfy user's transition condition, if satisfy, then the user initiates migration request by radio network controller to second Serving GPRS Support Node;
Described second Serving GPRS Support Node sends the GPRS Support Node context request message to first Serving GPRS Support Node after receiving described migration request.
6, joint user transferring method according to claim 5 is characterized in that, the described step that satisfies user's transition condition that judges whether comprises:
Judge whether current GPRS Support Node for this user's service needs to be serviced;
Or
Judge whether current GPRS Support Node for this user's service transships.
7, joint user transferring method according to claim 5 is characterized in that, described step to the local mobile device number of storing of second Serving GPRS Support Node transmission comprises:
First Serving GPRS Support Node reads the mobile device number in this locality;
In the GPRS Support Node context response information, increase described mobile device number;
The GPRS Support Node context response information that will comprise described mobile device number is sent to second Serving GPRS Support Node.
8, a kind of communication system is characterized in that, comprising:
First Serving GPRS Support Node, second Serving GPRS Support Node, portable terminal and mobile device;
Described first Serving GPRS Support Node is used to judge needs whether the user of migration is federated user, if then send the local mobile device number of storing to second Serving GPRS Support Node;
Described second Serving GPRS Support Node is initiated position updating request according to described number to corresponding mobile device, and foundation also is described federated user distributing user sign with the related of described mobile device after the position is upgraded;
Described mobile device is used for carrying out the position according to the request of second Serving GPRS Support Node to be upgraded;
Described portable terminal is used for moving alternately according to first Serving GPRS Support Node and second Serving GPRS Support Node.
9, communication system according to claim 8 is characterized in that, described system also comprises:
Radio network controller is used for the transmitting mobile terminal migration request and network is controlled.
10, a kind of Serving GPRS Support Node is characterized in that, comprising:
Judging unit, transmitting element, request unit is set up unit and allocation units;
Described judging unit is used to judge needs whether the user of migration is federated user, if then notify transmitting element;
Described transmitting element is used for sending to the service specified GPRS Support Node according to the notice of described judging unit the mobile device number of local storage;
The described request unit is used for initiating position updating request according to the mobile device number that receives to corresponding mobile device;
The described unit of setting up is used for upgrading in the mobile device completing place back and sets up related with described mobile device;
Described allocation units are used for upgrading the back in the mobile device completing place and are user's distributing user sign.
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| CNA2007100906783A CN101039523A (en) | 2007-03-30 | 2007-03-30 | Joint user transferring method and communication system and service GPRS support node |
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| CNA2007100906783A CN101039523A (en) | 2007-03-30 | 2007-03-30 | Joint user transferring method and communication system and service GPRS support node |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101437219B (en) * | 2007-11-12 | 2011-04-20 | 华为技术有限公司 | Method and apparatus for terminal mobility management |
| CN102215543A (en) * | 2010-04-12 | 2011-10-12 | 中兴通讯股份有限公司 | Periodical timer setting method and system |
| CN101583121B (en) * | 2008-07-09 | 2012-05-23 | 中兴通讯股份有限公司 | Method for updating correlation and grouping domain network element |
| CN102870479A (en) * | 2012-06-29 | 2013-01-09 | 华为技术有限公司 | Registration method, SGSN and user device |
| CN102870442A (en) * | 2012-06-29 | 2013-01-09 | 华为技术有限公司 | Registration method, SGSN, MSC and registered system |
| WO2013123783A1 (en) * | 2012-02-24 | 2013-08-29 | 华为技术有限公司 | Method and device for determining source sgsn |
| CN113468140A (en) * | 2021-06-30 | 2021-10-01 | 上海掌门科技有限公司 | Data migration processing method, electronic device and computer-readable storage medium |
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2007
- 2007-03-30 CN CNA2007100906783A patent/CN101039523A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101437219B (en) * | 2007-11-12 | 2011-04-20 | 华为技术有限公司 | Method and apparatus for terminal mobility management |
| CN101583121B (en) * | 2008-07-09 | 2012-05-23 | 中兴通讯股份有限公司 | Method for updating correlation and grouping domain network element |
| CN102215543B (en) * | 2010-04-12 | 2016-02-10 | 中兴通讯股份有限公司 | The method to set up of periodical timer and system |
| CN102215543A (en) * | 2010-04-12 | 2011-10-12 | 中兴通讯股份有限公司 | Periodical timer setting method and system |
| CN106255092B (en) * | 2012-02-24 | 2020-06-26 | 华为技术有限公司 | Method and device for determining source SGSN |
| US9532277B2 (en) | 2012-02-24 | 2016-12-27 | Huawei Technologies Co., Ltd. | Method and apparatus for determining source SGSN |
| WO2013123783A1 (en) * | 2012-02-24 | 2013-08-29 | 华为技术有限公司 | Method and device for determining source sgsn |
| CN106255092A (en) * | 2012-02-24 | 2016-12-21 | 华为技术有限公司 | The method and apparatus determining source SGSN |
| WO2014000242A1 (en) * | 2012-06-29 | 2014-01-03 | 华为技术有限公司 | Registration method, sgsn and user equipment |
| CN102870479B (en) * | 2012-06-29 | 2016-08-10 | 华为技术有限公司 | Method, SGSN and the subscriber equipment of registration |
| WO2014000240A1 (en) * | 2012-06-29 | 2014-01-03 | 华为技术有限公司 | Registration method, sgsn, msc, and registration system |
| CN102870442A (en) * | 2012-06-29 | 2013-01-09 | 华为技术有限公司 | Registration method, SGSN, MSC and registered system |
| CN102870479A (en) * | 2012-06-29 | 2013-01-09 | 华为技术有限公司 | Registration method, SGSN and user device |
| CN113468140A (en) * | 2021-06-30 | 2021-10-01 | 上海掌门科技有限公司 | Data migration processing method, electronic device and computer-readable storage medium |
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