CN101137191B - Method for managing safety information of handset moving between wireless communication systems - Google Patents
Method for managing safety information of handset moving between wireless communication systems Download PDFInfo
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- CN101137191B CN101137191B CN200610111786XA CN200610111786A CN101137191B CN 101137191 B CN101137191 B CN 101137191B CN 200610111786X A CN200610111786X A CN 200610111786XA CN 200610111786 A CN200610111786 A CN 200610111786A CN 101137191 B CN101137191 B CN 101137191B
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Abstract
A mobility management method for handsets moved between two communication systems with equivalent routing area comprises steps: a handset and a service node of one communication system in the equivalent routing area are certified, new relative safe inforamtion of the handset is obtained; the service node transmites the new relative safe inforamtion of the handset to the service node of another communication system in the equivalent routing area. Thereby, when the handset is moved beyween two communication systems with equivalent routing area (ERA), the service nodes of two communication systems both obtain updated safe inforamtion.
Description
Technical field
The present invention relates to the communications field, particularly, relate to a kind of method that mobile phone is managed in the security information that has between two communication systems of equivalent Routing Area (hereinafter to be referred as ERA) when moving.
Background technology
Usually, for the ease of management, the coverage of a GSM can be divided into several different Routing Areas (hereinafter to be referred as RA), and each RA is managed by a service node.Be registered in the GSM in machine, just knowing own residing RA.Along with moving of user, within this GSM, find oneself to have got into new RA when mobile phone, when need initiate that perhaps periodic RA upgrades etc., mobile phone is RA renewal process of execution of needs just.In described RA renewal process, if variation has taken place service node, after the information transfer with relevant this mobile phone arrived new service node, old service node was with the information of removing relevant this mobile phone of being preserved.
Usually, when mobile phone moved to the coverage of another new GSM in the coverage from a GSM, the RA of these two communication systems also was different.At this moment; Mobile phone just need and new GSM in service node between carry out a RA renewal process; To also to carry out a series of processes between the service node in service node in this process in the new GSM and the old GSM; Exchange the information of relevant this mobile phone, to support moving of this mobile phone., in after changing to a new GSM, changing again, two above-mentioned processes all need be carried out once at every turn.
In fact, a kind of method that has adopted ERA is arranged when changing GSM, can effectively reduce the execution number of times of said process.The RA that described method will be under the jurisdiction of a GSM is regarded as an ERA with a RA who is under the jurisdiction of another GSM, and the service node in described two GSMs is all preserved the information about this mobile phone.Like this, mobile phone is regarded as at the GSM that more renews within the ERA and is equal to moving within the same RA of mobile phone at same service node, so just need not carry out the exchange process of the information of described RA renewal process and relevant this mobile phone.
Usually, for the sake of security, need the regular authentication of carrying out between mobile phone and the wireless communication system,, obtain new security information each other to confirm identity each other.And owing to can both independently and carry out authentication between the mobile phone at each GSM within the ERA, the service node that has only carried out this communication system of verification process could obtain new security information.Like this, the service node that is arranged in another GSM within the ERA can not obtain new security information, thereby makes a mistake may cause described this node and mobile phone to carry out authentication the time.
Summary of the invention
Therefore; The objective of the invention is to invent and a kind of mobile phone is managed in the security information that has when moving between two communication systems of equivalent Routing Area (hereinafter to be referred as ERA), thus the method for the security information after making the service node of two communication systems can both obtain to upgrade.
Be to realize above-mentioned purpose, a kind of method that mobile phone is managed in the security information that has when moving between two communication systems of equivalent Routing Area (hereinafter to be referred as ERA) comprises step:
A) mobile phone carries out authentication with the service node that is positioned at a communication system of equivalent Routing Area, obtains the relevant new security information of said mobile phone;
B) the described service node new security information that said mobile phone is relevant is passed to the service node of another communication system that is positioned at equivalent Routing Area;
D) service node of another communication system in the described equivalent Routing Area sends the service node that response message is given described first communication system.
According to method of the present invention, mobile phone has between two communication systems of equivalent Routing Area (hereinafter to be referred as ERA) when moving, the security information after the service node of two communication systems can both obtain to upgrade.
Description of drawings
Fig. 1 is a module map of having represented a wireless communication system that goes for preferential embodiment of the present invention;
Fig. 2 is a module map of having represented another wireless communication system that goes for preferential embodiment of the present invention;
Fig. 3 has described the sketch map that goes for preferential embodiment E RA of the present invention;
Fig. 4 has described the process flow diagram according to the security information exchange of preferential embodiment of the present invention;
Embodiment
The present invention relates to a kind of mobile phone managed in the security information that has between two communication systems of equivalent Routing Area (hereinafter to be referred as ERA) when moving, thus the method for the security information after making the service node of two communication systems can both obtain to upgrade.Mobile phone carries out authentication with the service node that is positioned at a communication system of equivalent Routing Area, obtains the relevant new security information of said mobile phone.Optional, the service node of another communication system in the described equivalent Routing Area sends the service node that response message is given described first communication system.
With reference to accompanying drawing, a preferred embodiment abideing by communication system of the present invention is described below, particularly, described communication system is to follow a kind of wireless communication system that following at least a kind of communication standard is operated.Described these standards comprise various simulations, numeral or analog/digital dual mode communication system protocol, for example still are not limited only to the various distortion and the evolution of GSM evolution (abbreviation EDGE), GPRS (being called for short GPRS), UMTS (being called for short UMTS), frequency division multiple access (being called for short FDMA), IS-55 time division multiple access (being called for short TDMA) digital cellular, IS-136 TDMA digital cellular, IS-95 CDMA multiplexing (abbreviation CDMA) digital cellular, distribution according to need mode (DA/TDMA, DA/CDMA, DA/FDMA), WCDMA (being called for short WCDMA), CDMA 2000, IMT-2000, personal wireless communications system (being called for short PCS/PHS), 3GPP, 3GPP2 and these agreements of Advanced Mobile Phone System (being called for short AMPS), arrowband advanced mobile phone service (being called for short NAMPS), global system for mobile communications (being called for short GSM), high data rate.Communication system of the present invention can further refer to all communications network systems of being described below; A node in these communications network systems need be distinguished different users, and certain user who need to insert present networks such as the communications network system discriminating belongs to the local user of signatory present networks or roams to the roamer of present networks; Perhaps various network, such as the user when inserting certain communications network system, need differentiate the network that will insert be the home network or the visited network of being contracted.This can comprise local area network (hereinafter to be referred as LAN), WLAN (hereinafter to be referred as WLAN) or the like.Too tediously long for fear of the description that makes this patent, in the explanation below, omitted the detailed description of function that the public is known or device etc.
With reference to Fig. 1, wireless communication system 100 has comprised a communication underlying network 110, a group radio network controller (hereinafter to be referred as RNC) 140 and 141, and they provide service jointly in Routing Area 180.Usually, the encrypt/decrypt of RNC processing signals, switching decision and access decision.Wireless communication system 100 can but be not limited only to based on FDMA communication system, based on the communication system of TDMA or based on the communication system of CDMA.As these systems known, communication underlying network 110 has comprised Gateway GPRS Support Node GGSN 120, Serving GPRS Support Node SGSN130.Each RNC 140,141 and with one or more transceiver base station (hereinafter to be referred as NodeB) 150,151 and 152 of its associated provides service in each communication cell 160,161 and 162 in whole Routing Area 180.For the purpose of setting forth, RNC and Node B are described from the angle of inventing.But this is not equal to invention and only is defined in RNC and Node B; Because base station controller (hereinafter to be referred as BSC), base station (being called for short BTS) and other similar techniques also can be used to realize the present invention, this is very conspicuous for a person skilled in the art.GGSN 120, SGSN130, RNC 140, Node B150 abide by practicable standard, for the mobile phone (hereinafter to be referred as MS) 170 that is operated within the communication cell 160 provides radio communication service.Above said each system unit all can obtain from the angle of commerce, such as buying from motorola inc.
With reference to Fig. 2, wireless communication system 200 has comprised a communication underlying network 210, a group enhanced base station E-Node B 230 and 231, and they provide service jointly in Routing Area RA260.Wireless communication system 200 can but be not limited only to based on FDMA communication system, based on the communication system of TDMA or based on the communication system of CDMA.As these systems known, communication underlying network 110 has comprised mobile model management/user plane entity MME/UPE 220, the encrypt/decrypt that it can processing signals, switches decision and inserts decision.Each enhanced base station 230 and 231 provides service in each communication cell 240 and 241 in whole Routing Area RA 260.MME/UPE 220, E-Node B 230, abide by practicable standard, for the mobile phone (hereinafter to be referred as MS) 250 that is operated within the communication cell 240 provides radio communication service.Above said each system unit expection also can obtain from the angle of commerce.
With reference to Fig. 3, the Routing Area RA 260 of Routing Area RA of wireless communication system 100 180 and wireless communication system 220 also is defined as the Routing Area ERA1 of an equivalence.
Embodiment
In the present embodiment, when mobile phone moved within the ERA that is under the jurisdiction of wireless communication system 100 and wireless communication system 200, the service node MME/UPE decision in the wireless communication system 200 was initiated verification process to mobile phone.Fig. 4 has described the process flow according to the security information exchange of preferential embodiment of the present invention.
Step 401, the service node SGSN of the service node MME/UPE in the wireless communication system 200 in wireless communication system 100 sends paging request Paging request.
Step 402, the service node SGSN in the wireless communication system 100 carries out paging Paging to mobile phone in its Routing Area.
Step 403, the service node MME/UPE in the wireless communication system 200 carries out paging Paging to mobile phone in its Routing Area.
Step 404, mobile phone be through the service node SGSN of response in the wireless communication system 100, thereby and carry out verification process between the SGSN.SGSN obtains the security information after the relevant renewal of this mobile phone.
Step 405, the security information of SGSN after with the renewal of relevant this mobile phone is transferred to the service node MME/UPE security context transfer in the wireless communication system 200.
Step 406, the security information transmission security contextconfirm of MME/UPE response SGSN.
Step 407, mobile phone be through the service node MME/UPE of response in the wireless communication system 200, thereby and carry out verification process between the MME/UPE.MME/UPE obtains the security information after the relevant renewal of this mobile phone.
Step 408, the security information of MME/UPE after with the renewal of relevant this mobile phone is transferred to the service node SGSN security context transfer in the wireless communication system 100.
Step 409, the security information transmission security contextconfirm of SGSN response MME/UPE.
In the present embodiment, the cellphone subscriber's who obtains from HSS in described step 405 and the step 404 subscription data is relevant.Have only when the cellphone subscriber is signatory can to move between wireless communication system 100 and wireless communication system 200, the service node SGSN in the wireless communication system 100 is execution in step 405.
In the present embodiment, described step 405 is also relevant with the terminal capability of the mobile phone that obtains of SGSN in the step 404.Have only terminal capability to be supported in when moving between wireless communication system 100 and the wireless communication system 200, the service node SGSN in the wireless communication system 100 is execution in step 405.
In the present embodiment, described step 405 also with step 404 in the position of SGSN relevant.Ability execution in step 405 when having only SGSN to be positioned within the ERA.
In the present embodiment, the cellphone subscriber's who obtains from HSS in described step 408 and the step 407 subscription data is relevant.Have only when the cellphone subscriber is signatory can to move between wireless communication system 100 and wireless communication system 200, the service node MME/UPE in the wireless communication system 200 is execution in step 408.
In the present embodiment, described step 408 is also relevant with the terminal capability of the mobile phone that obtains of MME/UPE in the step 407.Have only terminal capability to be supported in when moving between wireless communication system 100 and the wireless communication system 200, the service node MME/UPE in the wireless communication system 200 is execution in step 408.
In the present embodiment, described step 408 also with step 407 in the position of MME/UPE relevant.Ability execution in step 408 when having only MME/UPE to be positioned within the ERA.
Although the present invention is described according to a described preferred embodiment, it is pointed out that described preferred embodiment all is to be used for explaining, rather than be used for the present invention is limited.Those of ordinary skill in the art can be easy to these embodiment are changed, increase, delete any step and do not break away from the spirit and scope of the present invention.
Claims (4)
1. a managing mobile phone comprises step in the method with the security information when moving between two communication systems of equivalent Routing Area:
A) mobile phone carries out authentication again with the service node that is positioned at a communication system of equivalent Routing Area, obtains the relevant new security information of said mobile phone;
B) the described service node new security information that said mobile phone is relevant is passed to the service node of another communication system that is positioned at equivalent Routing Area;
D) service node of another communication system in the described equivalent Routing Area sends the service node that response message is given a described communication system.
2. method according to claim 1; It is characterized in that the subscription data of described service node, thereby determine the service node whether new security information that said mobile phone is relevant is passed to another communication system that is positioned at equivalent Routing Area with reference to the cellphone subscriber.
3. method according to claim 1 is characterized in that the terminal capability of described service node with reference to mobile phone, thereby determines the service node whether new security information that said mobile phone is relevant is passed to another communication system that is positioned at equivalent Routing Area.
4. method according to claim 1; It is characterized in that the position of described service node, thereby determine the service node whether new security information that said mobile phone is relevant is passed to another communication system that is positioned at equivalent Routing Area with reference to said service node.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200610111786XA CN101137191B (en) | 2006-08-28 | 2006-08-28 | Method for managing safety information of handset moving between wireless communication systems |
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| CN200610111786XA CN101137191B (en) | 2006-08-28 | 2006-08-28 | Method for managing safety information of handset moving between wireless communication systems |
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| CN101137191A CN101137191A (en) | 2008-03-05 |
| CN101137191B true CN101137191B (en) | 2012-07-18 |
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| CN104426756B (en) * | 2013-08-19 | 2019-03-15 | 中兴通讯股份有限公司 | A kind of acquisition methods and control platform of service node ability information |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1742511A (en) * | 2003-01-30 | 2006-03-01 | 松下电器产业株式会社 | Unitary management authentication device |
| CN1819698A (en) * | 2005-08-24 | 2006-08-16 | 华为技术有限公司 | Method for acquring authentication cryptographic key context from object base station |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1742511A (en) * | 2003-01-30 | 2006-03-01 | 松下电器产业株式会社 | Unitary management authentication device |
| CN1819698A (en) * | 2005-08-24 | 2006-08-16 | 华为技术有限公司 | Method for acquring authentication cryptographic key context from object base station |
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