CN101931935B - Terminal access method, network equipment and communication system - Google Patents

Terminal access method, network equipment and communication system Download PDF

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Publication number
CN101931935B
CN101931935B CN200910148636.XA CN200910148636A CN101931935B CN 101931935 B CN101931935 B CN 101931935B CN 200910148636 A CN200910148636 A CN 200910148636A CN 101931935 B CN101931935 B CN 101931935B
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accessed
terminal
public identifier
multiple terminals
obtains
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CN101931935A (en
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陈中平
吴问付
孙晓姬
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to CN200910148636.XA priority Critical patent/CN101931935B/en
Priority to PCT/CN2010/074443 priority patent/WO2010149072A1/en
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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

Abstract

The invention discloses a terminal access method, network equipment and a communication system, which relate to the field of communication and aim to solve the problem that a plurality of terminals with the same identifier cannot access a network at the same time. The technical scheme provided by the invention is that: when an accessed terminal which has the same public identifier as a terminal to be accessed exists in the network, a control network element acquires the public identifier, serving as shared information of the plurality of terminals, of the terminal to be accessed; and the control network element accesses the terminal to be accessed to the network according to public identifier, serving as shared information of the plurality of terminals, of the terminal and continues to supply service to the accessed terminal. The embodiment of the invention can be applied to communication systems such as a Gsm edge radio access network (GERAN), a universal terrestrial radio access network (UTRAN) or an evolved universal terrestrial radio access network (E-UTRAN) so as to realize application of machine to machine (M2M) and the like.

Description

Terminal access method, the network equipment and communication system
Technical field
The present invention relates to the communications field, relate in particular to a kind of terminal access method, the network equipment and communication system.
Background technology
Under existing communication construction, in 3GPP and non-3GPP network, when terminal to be accessed request access network, if there is the accessed terminal that has identical public identifier with described terminal to be accessed in the network, then need the access information (as mobility management information and/or session management information etc.) of described accessed terminal is deleted from network, that is: terminate as the accessed terminal service, accessed terminal is separated from network; And according to the public identifier of described terminal to be accessed, be that described terminal to be accessed generates access information again, with described terminal to be accessed access network.
As at Long Term Evolution plan (Long Term Evolution, LTE) etc. in the network, when a plurality of when having the terminal request access network of identical public identifier, network side can't be realized described a plurality of terminal while access networks with identical public identifier, (Machine To Machine M2M) waits the needs of using to machine as machine thereby can't adapt to.
Summary of the invention
Embodiments of the invention provide a kind of terminal access method, the network equipment and communication system, can be with a plurality of terminal while access networks with identical public identifier.
Embodiments of the invention adopt following technical scheme:
A kind of terminal access method comprises: when existence had the accessed terminal of identical public identifier with terminal to be accessed in the network, the public identifier that the control network element obtains described terminal to be accessed was the multiple terminals Sharing Information; Described control network element is the multiple terminals Sharing Information according to the public identifier of described terminal to be accessed, and described terminal to be accessed is inserted described network, and continues as described accessed terminal service is provided.
A kind of network equipment comprises:
First acquiring unit is used for when the network existence has the accessed terminal of identical public identifier with terminal to be accessed, and the public identifier that obtains described terminal to be accessed is the multiple terminals Sharing Information;
Access unit, the public identifier that is used for the terminal to be accessed that obtains according to described first acquiring unit is that the multiple terminals Sharing Information inserts described network with described terminal to be accessed, and continues as described accessed terminal service is provided.
A kind of communication system comprises: the network equipment, and this network equipment links to each other with accessed terminal with terminal to be accessed in the mode that can communicate by letter, and wherein, described terminal to be accessed has identical public identifier with accessed terminal,
The described network equipment, the public identifier that is used for obtaining described terminal to be accessed is the multiple terminals Sharing Information, public identifier according to described terminal to be accessed is the multiple terminals Sharing Information, with described terminal to be accessed access network, and continues as described accessed terminal service is provided.
The terminal access method that the embodiment of the invention provides, the network equipment and communication system, when existence has the accessed terminal of identical public identifier with terminal to be accessed in the network, can be the multiple terminals Sharing Information according to the public identifier of terminal to be accessed, with the terminal to be accessed access network, and continue as accessed terminal service is provided, solved prior art in the process of terminal to be accessed access network, need and to separate from network with the accessed terminal that described terminal to be accessed has an identical public identifier, causing can't be with a plurality of problem with terminal while access network of identical public identifier, the technical scheme that the embodiment of the invention provides can adapt to the needs as application such as M2M with a plurality of terminal while access networks with identical public identifier.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The terminal access method flow chart that Fig. 1 provides for the embodiment of the invention;
The terminal access method sequential chart that Fig. 2 provides for another embodiment of the present invention;
The terminal access method sequential chart that Fig. 3 provides for further embodiment of this invention;
The network equipment structural representation one that Fig. 4 provides for the embodiment of the invention;
The structural representation of first acquiring unit 401 in the network equipment that Fig. 5 provides for the embodiment of the invention shown in Figure 4;
The network equipment structural representation two that Fig. 6 provides for the embodiment of the invention;
The network equipment structural representation three that Fig. 7 provides for the embodiment of the invention;
The communication system architecture schematic diagram that Fig. 8 provides for the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Can't be with a plurality of problems with terminal while access network of identical public identifier in order to solve, the embodiment of the invention provides a kind of terminal access method, the network equipment and communication system.
As shown in Figure 1, when existence had the accessed terminal of identical public identifier with terminal to be accessed in the network, the terminal access method that the embodiment of the invention provides comprised:
Step 101, the public identifier that the control network element obtains terminal to be accessed is the multiple terminals Sharing Information, wherein, described public identifier can be shared by a plurality of terminals and use, this public identifier can be signatory mark, as international mobile subscriber identity (international mobile subscriber identity, IMSI), can every kind of situation not given unnecessary details one by one for other identify herein yet.
In the present embodiment, the public identifier that step 101 can be obtained terminal to be accessed in several ways is the multiple terminals Sharing Information, for example: can receive the public identifier that carries terminal to be accessed is the message of multiple terminals Sharing Information, and the public identifier that obtains terminal to be accessed from this message is the multiple terminals Sharing Information; Perhaps, can obtain the subscription data of the public identifier correspondence of terminal to be accessed, the public identifier that obtains terminal to be accessed according to described subscription data is the multiple terminals Sharing Information; Perhaps, can share the public identifier table according to the multiple terminals of storage in advance, the public identifier that obtains described terminal to be accessed is the multiple terminals Sharing Information, every kind of situation is not given unnecessary details one by one herein.
Step 102, the control network element is the multiple terminals Sharing Information according to the public identifier of terminal to be accessed, with the terminal to be accessed access network, and continues as accessed terminal service is provided.
Alternatively, before the step 102, can also comprise that the control network element obtains the step of the device identification of terminal to be accessed, particularly, the control network element can receive the message of the device identification of carrying terminal to be accessed, the device identification of obtaining terminal to be accessed from this message, certainly, below only for giving an example, the device identification that yet can obtain terminal to be accessed in the use of reality by additive method is not given unnecessary details herein.
Then this moment, step 102 specifically can be, the control network element with the binding information of the public identifier of terminal to be accessed and device identification as index, for terminal to be accessed is set up context, with the terminal to be accessed access network.
Alternatively, in the present embodiment, the control network element can be home subscriber server HSS/ attaching position register HLR, it also can be mobile management network element, perhaps mobile management entity (Mobility ManagementEntity, MME) or service universal packet wireless business affair GPRS Support Node (Serving GPRS SupportNode, SGSN).
Alternatively, when the control network element is HSS/HLR, after the device identification of obtaining terminal to be accessed, can also comprise that the control network element is according to device identification, terminal to be accessed is carried out the step of legitimate verification, particularly, can store the terminal list that the permission corresponding with the public identifier of terminal to be accessed inserts in advance, the device identification of terminal to be accessed and the device identification that allows to preserve in the terminal list of access are compared, if comprise the device identification identical with the device identification of terminal to be accessed in the terminal list that allows to insert, then checking is passed through, otherwise, authentication failed.Execution in step 102 when the legitimate verification of terminal to be accessed passes through; Otherwise execution in step 102, return indications such as not allowing access or access failure to terminal to be accessed.
Alternatively, when the control network element is HSS/HLR, the terminal access method that the embodiment of the invention provides can also comprise: obtain mobile management entity (Mobility Management Entity, MME) or service universal packet wireless business affair GPRS Support Node (Serving GPRS Support Node, the indication information of the subscription data that whether sends the public identifier correspondence that SGSN) reports; According to described indication information or the sign position that sets in advance, send the subscription data of public identifier correspondence, wherein, described sign position is used for the transmission state of the subscription data of the described public identifier correspondence of record.
Alternatively, in the present embodiment, the cut-in method of accessed terminal can be identical with the cut-in method of terminal to be accessed.
The terminal access method that the embodiment of the invention provides, when existence has the accessed terminal of identical public identifier with terminal to be accessed in the network, can be the multiple terminals Sharing Information according to the public identifier of terminal to be accessed, and with the terminal to be accessed access network, and continue as accessed terminal service is provided, solved prior art in the process of terminal to be accessed access network, need and to separate from network with the accessed terminal that described terminal to be accessed has an identical public identifier, causing can't be with a plurality of problem with terminal while access network of identical public identifier, the technical scheme that the embodiment of the invention provides can adapt to the needs as application such as M2M with a plurality of terminal while access networks with identical public identifier.
In order to make those skilled in the art can more be expressly understood the technical scheme that the embodiment of the invention provides, be applied among the M2M with the terminal access method that the embodiment of the invention is provided below, terminal to be accessed is that machine is to machinery equipment (Machine To Machine Equipment, M2ME), the public identifier of terminal to be accessed is that signatory mark is example, describes.
In another embodiment provided by the invention, comprise two terminals to be accessed--M2ME1 and M2ME2, M2ME1 has identical signatory mark with M2ME2, and to same mobile management entity (Mobility Management Entity, MME) initiate to insert, request is linked into network, as shown in Figure 2, the terminal access method that the embodiment of the invention provides comprises:
Step 201, M2ME1 sends login request message to MME.Wherein, login request message can be for adhering to request (Attach Request) message, tracing section updating request (TAU Request) message or Routing Area Update request message etc.
Step 202, MME obtains the signatory mark of M2ME1, and wherein, signatory mark can be IMSI.
In the present embodiment, MME can obtain the signatory mark of M2ME1 at least by dual mode: a kind of is when carrying the signatory mark of M2ME1 in the login request message that M2ME1 sends to MME, to obtain from login request message; Another kind is, MME initiatively initiates to obtain the request of the signatory mark of M2ME1, the response of the signatory mark of M2ME1 is carried in reception, from this response, obtain the signatory mark of M2ME1, for example: MME can initiatively send identity request (Identity Request) to M2ME1, receive the identity response (Identity Response) that M2ME 1 returns, from this Identity Response, obtain the signatory mark of M2ME1; Perhaps, if registered at other MME (old MME) before the M2ME1, then MME can initiatively send the request identified (Identification Request) to old MME, receive the evaluation response (Identification Response) that M2ME 1 returns, from this Identification Response, obtain the signatory mark of M2ME1.Certainly, more than the methods of two kinds of signatory marks that obtain M2ME1 only for for example, in the use of reality, can also obtain by additive method, every kind of situation is not given unnecessary details one by one herein.
Step 203 is carried out authentication to M2ME1.
Step 204, MME obtains the device identification of M2ME1, to attaching position register (HomeLocation Register, HLR)/home subscriber server (Home Subscriber Server, HSS) send message, in this message, carry the identify label (MME Identity, MME ID) of MME, the signatory mark (as IMSI) of M2ME1 and the device identification (M2ME Identity, M2ME ID) of M2ME1.
The message that MME sends to HLR/HSS can be put (Update Location) message for updated space or is upgraded position requests (Update Location Request) message etc., and in the present embodiment, described message is specially Update Location Request.
Need to prove that in the present embodiment, MME obtains the step of the device identification of M2ME1 and also can carry out in step 202 or 203.The device identification that MME can obtain M2ME1 by two kinds of methods at least:
A kind ofly be MME obtains M2ME1 from the login request message that M2ME1 sends device identification;
In the present embodiment, M2ME1 can carry device identification according to the form of acquiescence in login request message, as long as M2ME1 has device identification, just carry this device identification in login request message that is:; M2ME1 also can be according to the strategy that sets in advance, in login request message, carry device identification selectively, for example: can set in advance strategy for when terminal type is group type (Group Based), carrying device identification, then M2ME1 can carry device identification according to this strategy in login request message, need to prove that in the present embodiment the terminal characteristics of group type are that all terminals in the group are shared identical signatory mark (as IMSI).
Another kind is that MME initiatively asks for device identification to M2ME1.
MME can ask for device identification to M2ME1 according to the form of acquiescence; Also can be according to the strategy that sets in advance, ask for device identification to M2ME1 selectively, for example: when MME knows that M2ME1 is the terminal of Machine Type, ask for device identification etc. to M2ME1, wherein, MME knows that M2ME1 is that the method for the terminal of Machine Type can comprise: MME knows that according to the terminal type information that M2ME1 initiatively reports perhaps MME inquires about to M2ME1, and perhaps the specific identifier that carries in the information that MME reports by M2ME1 is known etc.
Certainly, two kinds of methods only are that in the use of reality, the method that MME obtains the device identification of M2ME1 is not limited in this, every kind of situation is not given unnecessary details one by one herein for example more than.
Step 205, the message (renewal position requests) that the MME of HLR/HSS sends is handled, and comprising:
HLR/HSS obtains corresponding subscription data according to the signatory mark (as IMSI) of the M2ME1 that carries in the message; HLR/HSS can be with the binding information (IMSI+M2ME ID) of the signatory mark (as IMSI) of M2ME1 and device identification (M2MEID) as M2ME1 contextual index in HLR/HSS, for M2ME1 sets up context, with the signatory mark (as IMSI) of the M2ME1 index as common context, for setting up common context with all terminals that M2ME1 has an identical signatory mark.
Alternatively, can to obtain the signatory mark of M2ME1 be the multiple terminals Sharing Information to HLR/HSS.Particularly, HLR/HSS can obtain the terminal type information (as GroupBased) of M2ME1 from subscription data, determines that according to the terminal type information of M2ME1 the signatory mark of M2ME1 is that share the multiple terminals; Perhaps, when the signatory mark that carries M2ME1 in the message that MME sends to HLR/HSS is the multiple terminals Sharing Information, the signatory mark that can obtain M2ME1 from this message is the multiple terminals Sharing Information, wherein, the signatory mark that described message can be carried M2ME1 in the mode that shows is the multiple terminals Sharing Information, for example: the signatory mark that carries M2ME1 with specific bit is the multiple terminals Sharing Information, also the signatory mark that can carry M2ME1 in the latent mode of showing is the multiple terminals Sharing Information, for example: can carry other identification informations in the described message; Perhaps, HLR/HSS can share the signatory mark table according to the multiple terminals of storage in advance, and the signatory mark that obtains M2ME1 is the multiple terminals Sharing Information; Perhaps, HLR/HSS can determine that the signatory mark of M2ME1 is that share etc. the multiple terminals, does not give unnecessary details every kind of situation one by one herein according to device identification (M2ME ID).
Alternatively, HLR/HSS can also carry out legitimate verification to M2ME1 according to device identification (M2ME ID).Particularly, HLR/HSS is last can to store the terminal list that the corresponding permission of signatory mark (as IMSI) inserts in advance, preserve the device identification (M2ME ID) of the terminal with described signatory mark (as IMSI) that can insert in the network in this tabulation, when carrying out legitimate verification, the device identification of preserving in the device identification of M2ME1 and the described terminal list is compared, if comprise the device identification of M2ME1 in the described terminal list, then checking is passed through, otherwise authentication failed.Execution in step 206 when the M2ME1 checking of HLR/HSS is passed through, otherwise refusal M2ME1 access network.Need to prove that in the present embodiment, the M2ME1 of HLR/HSS carries out the step of legitimate verification also can be carried out, and does not give unnecessary details herein in step 203.
Step 206, HLR/HSS sends acknowledge message to MME, carries signatory mark (as IMSI) and the subscription data of M2ME1 in this message.
In the present embodiment, the MME ID that carries in the message that HLR/HSS can send according to MME in the step 204 sends acknowledge message to MME; Described acknowledge message can be put affirmation (UpdateLocation Ack) message for updated space.
Step 207, the affirmation message that the HLR/HSS of MME sends (upgrading the position acknowledge message) is handled, and comprising:
MME with the binding information (IMSI+M2ME ID) of the signatory mark (as IMSI) of M2ME1 and device identification (M2ME ID) as the contextual index of M2ME1 in MME, for M2ME1 sets up context, with the signatory mark (as IMSI) of the M2ME1 index as common context, for setting up common context with all terminals that M2ME1 has an identical signatory mark.
Alternatively, can to obtain the signatory mark of M2ME1 be the multiple terminals Sharing Information to MME.Particularly, MME can obtain the terminal type information (as Group Based) of M2ME1 from subscription data, determines that according to the terminal type information of M2ME1 the signatory mark of M2ME1 is that share the multiple terminals; Perhaps, the signatory mark that obtains M2ME1 the affirmation message that the registration message that sends from step 201 or step 206HLR/HSS send is the multiple terminals Sharing Information, wherein, the signatory mark that described registration message or acknowledge message can be carried M2ME1 in the mode that shows is the multiple terminals Sharing Information, for example: the signatory mark that carries M2ME1 with specific bit is the multiple terminals Sharing Information, also the signatory mark that can carry M2ME1 in the latent mode of showing is the multiple terminals Sharing Information, for example: can carry other identification informations; Perhaps, MME can share the signatory mark table according to the multiple terminals of storage in advance, and the signatory mark that obtains M2ME1 is the multiple terminals Sharing Information; Perhaps, MME can determine that the signatory mark of M2ME1 is that share etc. the multiple terminals, does not give unnecessary details every kind of situation one by one herein according to device identification (M2ME ID).In the present embodiment, the signatory mark that MME obtains M2ME1 is that the step of multiple terminals Sharing Information also can be carried out in step 202 or step 203, does not give unnecessary details herein.
Alternatively, in follow-up flow process, if MME need carry out alternately with other network elements, as carrying out alternately with gateway (S-GW) and/or proxy gateway (P-GW), then MME sends to other network elements with the signatory mark of M2ME1 and the binding information of device identification (IMSI+M2ME ID).
Step 208, MME sends registration to M2ME1 and accepts message, with the M2ME1 access network.
In the present embodiment, registration is accepted message and can be accepted message etc. for adhering to acceptance (Attach Accept) message, tracking area acceptance (TAU Accept) message or route district.
Step 209, M2ME2 sends login request message to MME.Wherein, login request message can be for adhering to request (Attach Request) message, tracing section updating request (TAU Request) message or Routing Area Update request message etc.
Step 210, MME obtains the signatory mark of M2ME2.The specific implementation method can be described referring to step 202, do not give unnecessary details herein.
Step 211 is carried out authentication to M2ME2.
Step 212, MME obtains the device identification of M2ME2, sends message to HLR/HSS, carries the identify label (MME ID) of MME, the signatory mark (as IMSI) of M2ME2 and the device identification (M2ME ID) of M2ME2 in this message.The specific implementation method can be described referring to step 204, do not give unnecessary details herein.
Step 213, the message that the MME of HLR/HSS sends is handled, and comprising:
HLR/HSS obtains corresponding subscription data according to the signatory mark (as IMSI) of the M2ME2 that carries in the message; HLR/HSS can be with the binding information (IMSI+M2ME ID) of the signatory mark (as IMSI) of M2ME2 and device identification (M2MEID) as M2ME2 contextual index in HLR/HSS; The signatory mark that HLR/HSS obtains M2ME1 is the multiple terminals Sharing Information, in the present embodiment, the signatory mark that HLR/HSS obtains M2ME1 is that the method for multiple terminals Sharing Information can be described referring to step 205, when the signatory mark that has obtained M2ME1 as HLR/HSS in the step 205 is the multiple terminals Sharing Information, the result that HLR/HSS also can obtain according to step 205 in the step 213, the signatory mark of determining M2ME2 is that share the multiple terminals; HLR/HSS can be the multiple terminals Sharing Information according to signatory mark, does not send the access information (for the context of M2ME1 foundation etc.) of Cancel Location message informing MME deletion M2ME1.
Alternatively, HLR/HSS can also carry out legitimate verification to M2ME1 according to device identification (M2ME ID).Concrete grammar is described referring to step 205, does not give unnecessary details herein.
Step 214, HLR/HSS sends acknowledge message to MME, carries signatory mark (as IMSI) and the subscription data of M2ME2 in this message.
Alternatively, HLR/HSS can obtain MME and report the indication information that whether sends subscription data; According to described indication information or the sign position that sets in advance, send the subscription data of described public identifier correspondence, wherein, described sign position is used for the transmission state of the subscription data of the described signatory mark correspondence of record.
For example, because M2ME1 has identical signatory mark (subscription data is identical) with M2ME2, in this step, acknowledge message also can not carried the subscription data of M2ME2.Particularly, HLR/HSS can arrange a sign position based on the binding information (IMSI+MME ID) of the identify label of signatory mark and MME, be used for recording HLR/HSS and whether the corresponding subscription data of signatory mark (M2ME1 and M2ME2 share) sent to MME, when described sign position indication HLR/HSS sent to MME with the subscription data of M2ME1, HLR/HSS no longer sent the subscription data of M2ME2 to MME; Perhaps, receive the later indication information that can return the subscription data of the signatory mark correspondence that no longer receives M2ME1 to HLR/HSS of subscription data of M2ME1 as MME, then in this step, HLR/HSS can be according to the indication information of the subscription data of the signatory mark correspondence that no longer receives M2ME1, determine no longer to send to MME the subscription data of M2ME2, every kind of situation is not given unnecessary details one by one herein.
Step 215, the affirmation message that the HLR/HSS of MME sends is handled, and comprising:
MME with the binding information (IMSI+M2ME ID) of the signatory mark (as IMSI) of M2ME2 and device identification (M2ME ID) as the contextual index of M2ME2 in MME, for M2ME2 sets up context; The signatory mark that MME obtains M2ME1 is the multiple terminals Sharing Information; MME sends to other network elements with the signatory mark of M2ME2 and the binding information of device identification (IMSI+M2ME ID).The specific implementation method can be described referring to step 207, repeats no more herein.
Step 216, MME sends registration to M2ME2 and accepts message, with the M2ME2 access network.
In the present embodiment, registration is accepted message and can be accepted message etc. for adhering to acceptance (Attach Accept) message, tracking area acceptance (TAU Accept) message or route district.
In the present embodiment, MME can provide service simultaneously for M2ME1 and M2ME2.
The terminal access method that the embodiment of the invention provides, when existence has the accessed terminal of identical signatory mark with terminal to be accessed in the network, can be the multiple terminals Sharing Information according to the signatory mark of terminal to be accessed, with the terminal to be accessed access network, and continue as accessed terminal service is provided, solved prior art in the process of terminal to be accessed access network, need and to separate from network with the accessed terminal that described terminal to be accessed has an identical signatory mark, causing can't be with a plurality of problem with terminal while access network of identical signatory mark, the technical scheme that the embodiment of the invention provides can adapt to the needs as application such as M2M with a plurality of terminal while access networks with identical signatory mark.
In another embodiment provided by the invention, comprise two terminals to be accessed--M2ME1 and M2ME2, M2ME1 has identical signatory mark with M2ME2, M2ME1 initiates to insert to MME1, request is linked into network, and M2ME2 initiates to insert to MME2, and request inserts works as network; As shown in Figure 3, the terminal access method that the embodiment of the invention provides comprises:
Step 301, M2ME1 sends login request message to MME1.Wherein, login request message can be for adhering to request (Attach Request) message, tracing section updating request (TAU Request) message or Routing Area Update request message etc.
Step 302, MME1 obtains the signatory mark of M2ME1, and wherein, signatory mark can be IMSI.The specific implementation method can be described referring to step 202 as shown in Figure 2, do not give unnecessary details herein.
Step 303 is carried out authentication to M2ME1.
Step 304, MME1 obtains the device identification of M2ME1, sends message to HLR/HSS, carries the identify label (MME ID) of MME1, the signatory mark (as IMSI) of M2ME1 and the device identification (M2ME ID) of M2ME1 in this message.The specific implementation method can be described referring to step 204 as shown in Figure 2, do not give unnecessary details herein.
Step 305, the message (renewal position requests) that the MME1 of HLR/HSS sends is handled, and the specific implementation method can be described referring to step 205 as shown in Figure 2, do not give unnecessary details herein.
Step 306, HLR/HSS sends acknowledge message to MME1, carries signatory mark (as IMSI) and the subscription data of M2ME1 in this message, and the specific implementation method can be described referring to step 206 as shown in Figure 2, do not do herein and give unnecessary details.
Step 307, the affirmation message that the HLR/HSS of MME1 sends (upgrading the position acknowledge message) is handled, and the specific implementation method can be described referring to step 207 as shown in Figure 2, do not do herein and give unnecessary details.
Step 308, MME1 sends registration to M2ME1 and accepts message, with the M2ME1 access network.
In the present embodiment, registration is accepted message and can be accepted message etc. for adhering to acceptance (Attach Accept) message, tracking area acceptance (TAU Accept) message or route district.
Step 309, M2ME2 sends login request message to MME2.Wherein, login request message can be for adhering to request (Attach Request) message, tracing section updating request (TAU Request) message or Routing Area Update request message etc.
Step 310, MME2 obtains the signatory mark of M2ME2, and wherein, signatory mark can be IMSI.The specific implementation method can be described referring to step 202 as shown in Figure 2, do not give unnecessary details herein.
Step 311 is carried out authentication to M2ME2.
Step 312, MME2 obtains the device identification of M2ME2, sends message to HLR/HSS, carries the identify label (MME ID) of MME2, the signatory mark (as IMSI) of M2ME2 and the device identification (M2ME ID) of M2ME2 in this message.The specific implementation method can be described referring to step 204 as shown in Figure 2, do not give unnecessary details herein.
Step 313, the message that the MME2 of HLR/HSS sends is handled, and the specific implementation method can be described referring to step 213 as shown in Figure 2.In the present embodiment, after signatory mark that HLR/HSS obtains M2ME2 was the multiple terminals Sharing Information, HLR/HSS did not send the access information (as: for the context of M2ME1 foundation etc.) of Cancel Location message informing MME1 deletion M2ME1.
Step 314, HLR/HSS sends acknowledge message to MME2, carries signatory mark (as IMSI) and the subscription data of M2ME2 in this message.
Step 315, the affirmation message that the HLR/HSS of MME2 sends is handled, and concrete implementation method can be described referring to step 215 as shown in Figure 2, repeats no more herein.
Step 316, MME2 sends registration to M2ME2 and accepts message, with the M2ME2 access network.
In the present embodiment, registration is accepted message and can be accepted message etc. for adhering to acceptance (Attach Accept) message, tracking area acceptance (TAU Accept) message or route district.
In the present embodiment, when MME2 provided service for M2ME2, also not influencing MME1 provided service for M2ME1.
Alternatively, MME described in above two embodiment also can for service universal packet wireless business be engaged in GPRS Support Node (Serving GPRS Support Node, SGSN).
The terminal access method that the embodiment of the invention provides, when existence has the accessed terminal of identical signatory mark with terminal to be accessed in the network, can be the multiple terminals Sharing Information according to the signatory mark of terminal to be accessed, with the terminal to be accessed access network, and continue as accessed terminal service is provided, solved prior art in the process of terminal to be accessed access network, need and to separate from network with the accessed terminal that described terminal to be accessed has an identical signatory mark, causing can't be with a plurality of problem with terminal while access network of identical signatory mark, the technical scheme that the embodiment of the invention provides can adapt to the needs as application such as M2M with a plurality of terminal while access networks with identical signatory mark.
As shown in Figure 4, the embodiment of the invention also provides a kind of network equipment, comprising:
First acquiring unit 401 is used for when the network existence has the accessed terminal of identical public identifier with terminal to be accessed, and the public identifier that obtains described terminal to be accessed is the multiple terminals Sharing Information;
Access unit 402, the public identifier that is used for the terminal to be accessed that obtains according to described first acquiring unit 401 is the multiple terminals Sharing Information, and described terminal to be accessed is inserted described network, and continues as described accessed terminal service is provided.
Further, as shown in Figure 5, described first acquiring unit 401 can comprise:
First obtains subelement 4011, and being used for receiving the public identifier that carries described terminal to be accessed is the message of multiple terminals Sharing Information, and the public identifier that obtains described terminal to be accessed from this message is the multiple terminals Sharing Information; Perhaps,
Second obtains subelement 4012, and for the subscription data of the public identifier correspondence of obtaining described terminal to be accessed, the public identifier that obtains described terminal to be accessed according to described subscription data is the multiple terminals Sharing Information; Perhaps,
The 3rd obtains subelement 4013, is used for sharing the public identifier table according to the multiple terminals of storage in advance, and the public identifier that obtains described terminal to be accessed is the multiple terminals Sharing Information.
Further, as shown in Figure 6, the described network equipment can also comprise:
Receiving element 403 is used for the message that the device identification of terminal to be accessed is carried in reception;
Second acquisition unit 404 is used for from the message of the device identification of carrying terminal to be accessed of described receiving element 403 receptions, the device identification of obtaining described terminal to be accessed;
Described access unit 402 is index with the binding information of the device identification that public identifier and the described second acquisition unit 404 of described equipment to be accessed obtains, set up block data protocol context for described equipment to be accessed, described terminal to be accessed is inserted described network.
More than can be mobile management entity, perhaps Serving GPRS Support Node, perhaps home subscriber server, perhaps attaching position register etc. as the described network equipment of Fig. 4 to 6.
Further, when the described network equipment was home subscriber server or attaching position register, as shown in Figure 7, the described network equipment can also comprise:
Authentication unit 405 according to the device identification that described second acquisition unit 404 obtains, carries out legitimate verification to described terminal to be accessed.
Further, when the described network equipment was home subscriber server or attaching position register, as shown in Figure 7, the described network equipment can also comprise:
The 3rd acquiring unit 406 is used for obtaining the indication information of the subscription data that whether sends described public identifier correspondence that mobile management entity or service universal packet wireless business affair GPRS Support Node report;
First transmitting element 407, be used for the indication information that obtains according to described the 3rd acquiring unit 406 or the sign position that sets in advance, send the subscription data of described public identifier correspondence, wherein, described sign position is used for the transmission state of the subscription data of the described public identifier correspondence of record.
The concrete application process of the network equipment that the above-described embodiment of the invention provides can be described referring to the terminal access method that the embodiment of the invention provides, and do not give unnecessary details herein.
The network equipment that the embodiment of the invention provides, when existence has the accessed terminal of identical public identifier with terminal to be accessed in the network, can be the multiple terminals Sharing Information according to the public identifier of terminal to be accessed, with the terminal to be accessed access network, and continue as accessed terminal service is provided, solved prior art in the process of terminal to be accessed access network, need and to separate from network with the accessed terminal that described terminal to be accessed has an identical public identifier, causing can't be with a plurality of problem with terminal while access network of identical public identifier, the technical scheme that the embodiment of the invention provides can adapt to the needs as application such as M2M with a plurality of terminal while access networks with identical public identifier.
As shown in Figure 8, the embodiment of the invention also provides a kind of communication system, comprising: the network equipment 801, this network equipment 801 links to each other with accessed terminal 803 with terminal to be accessed 802 in the mode that can communicate by letter, wherein, described terminal to be accessed 802 has identical public identifier with accessed terminal 803
The described network equipment 801, the public identifier that is used for obtaining described terminal to be accessed 802 is the multiple terminals Sharing Information, public identifier according to this terminal to be accessed is the multiple terminals Sharing Information, with described terminal to be accessed 902 access networks, and continues as described accessed terminal 903 service is provided.
The communication system that the embodiment of the invention provides, when existence has the accessed terminal of identical public identifier with terminal to be accessed in the network, can be the multiple terminals Sharing Information according to the public identifier of terminal to be accessed, and with the terminal to be accessed access network, and continue as accessed terminal service is provided, solved prior art in the process of terminal to be accessed access network, need and to separate from network with the accessed terminal that described terminal to be accessed has an identical public identifier, causing can't be with a plurality of problem with terminal while access network of identical public identifier, the technical scheme that the embodiment of the invention provides can adapt to the needs as application such as M2M with a plurality of terminal while access networks with identical public identifier.
The terminal access method that the embodiment of the invention provides, the network equipment and communication system can be applied in as in the communication systems such as GERAN, UTRAN or E-UTRAN, realize application such as M2M.
One of ordinary skill in the art will appreciate that all or part of step that realizes in above-described embodiment method is to instruct relevant hardware to finish by program, described program can be stored in the computer-readable recording medium, as ROM/RAM, magnetic disc or CD etc.
The above; only be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion by described protection range with claim.

Claims (12)

1. a terminal access method is characterized in that, comprising:
When existence had the accessed terminal of identical public identifier with terminal to be accessed in the network, the public identifier that the control network element obtains described terminal to be accessed was the multiple terminals Sharing Information;
Described control network element is the multiple terminals Sharing Information according to the public identifier of described terminal to be accessed, and described terminal to be accessed is inserted described network, and continues as described accessed terminal service is provided;
The public identifier that described control network element obtains described terminal to be accessed comprises for the multiple terminals Sharing Information:
It is the message of multiple terminals Sharing Information that described control network element receives the public identifier that carries described terminal to be accessed, and the public identifier that obtains described terminal to be accessed from this message is the multiple terminals Sharing Information; Perhaps,
Described control network element obtains the subscription data of the public identifier correspondence of described terminal to be accessed, and the public identifier that obtains described terminal to be accessed according to described subscription data is the multiple terminals Sharing Information; Perhaps,
Described control network element is shared the public identifier table according to the multiple terminals of storage in advance, and the public identifier that obtains described terminal to be accessed is the multiple terminals Sharing Information.
2. method according to claim 1 is characterized in that, also comprises:
Described control network element receives the message of the device identification of carrying terminal to be accessed;
Described control network element from the message of described device identification of carrying terminal to be accessed, the device identification of obtaining described terminal to be accessed;
Described described terminal to be accessed is inserted described network, comprising:
Described control network element is index with the public identifier of described terminal to be accessed and the binding information of device identification, sets up context for described terminal to be accessed, and described terminal to be accessed is inserted described network.
3. method according to claim 2 is characterized in that, also comprises:
Described control network element carries out legitimate verification according to described device identification to described terminal to be accessed.
4. method according to claim 1 is characterized in that, also comprises:
Described control network element obtains the indication information of the subscription data that whether sends described public identifier correspondence that mobile management entity or service universal packet wireless business affair GPRS Support Node report;
Described control network element sends the subscription data of described public identifier correspondence according to described indication information or the sign position that sets in advance, and wherein, described sign position is used for the transmission state of the subscription data of the described public identifier correspondence of record.
5. according to any described method among the claim 1-4, it is characterized in that the cut-in method of described accessed terminal is identical with the cut-in method of described terminal to be accessed.
6. according to any described method among the claim 1-4, it is characterized in that described control network element is mobile management entity, perhaps service universal packet wireless business affair GPRS Support Node, perhaps home subscriber server, perhaps attaching position register.
7. a network equipment is characterized in that, comprising:
First acquiring unit is used for when the network existence has the accessed terminal of identical public identifier with terminal to be accessed, and the public identifier that obtains described terminal to be accessed is the multiple terminals Sharing Information;
Access unit, the public identifier that is used for the terminal to be accessed that obtains according to described first acquiring unit is the multiple terminals Sharing Information, and described terminal to be accessed is inserted described network, and continues as described accessed terminal service is provided;
Described first acquiring unit comprises:
First obtains subelement, and being used for receiving the public identifier that carries described terminal to be accessed is the message of multiple terminals Sharing Information, and the public identifier that obtains described terminal to be accessed from this message is the multiple terminals Sharing Information; Perhaps,
Second obtains subelement, and for the subscription data of the public identifier correspondence of obtaining described terminal to be accessed, the public identifier that obtains described terminal to be accessed according to described subscription data is the multiple terminals Sharing Information; Perhaps,
The 3rd obtains subelement, is used for sharing the public identifier table according to the multiple terminals of storage in advance, and the public identifier that obtains described terminal to be accessed is the multiple terminals Sharing Information.
8. the network equipment according to claim 7 is characterized in that, also comprises:
Receiving element is used for the message that the device identification of terminal to be accessed is carried in reception;
Second acquisition unit is used for from the message of the device identification of carrying terminal to be accessed of described receiving element reception, the device identification of obtaining described terminal to be accessed;
Described access unit is index with the binding information of the device identification that public identifier and the described second acquisition unit of described terminal to be accessed obtains, and sets up context for described terminal to be accessed, and described terminal to be accessed is inserted described network.
9. according to claim 7 or the 8 described network equipments, it is characterized in that the described network equipment is: mobile management entity, perhaps service universal packet wireless business affair GPRS Support Node, perhaps home subscriber server, perhaps attaching position register.
10. the network equipment according to claim 9 is characterized in that, when the described network equipment is home subscriber server or attaching position register, also comprises:
Authentication unit according to the device identification that described second acquisition unit obtains, carries out legitimate verification to described terminal to be accessed.
11. the network equipment according to claim 7 is characterized in that, when the described network equipment is home subscriber server or attaching position register, also comprises:
The 3rd acquiring unit is used for obtaining the indication information of the subscription data that whether sends described public identifier correspondence that mobile management entity or service universal packet wireless business affair GPRS Support Node report;
First transmitting element, be used for the indication information that obtains according to described the 3rd acquiring unit or the sign position that sets in advance, send the subscription data of described public identifier correspondence, wherein, described sign position is used for the transmission state of the subscription data of the described public identifier correspondence of record.
12. a communication system is characterized in that, comprising: the network equipment, this network equipment links to each other with accessed terminal with terminal to be accessed in the mode that can communicate by letter, and wherein, described terminal to be accessed has identical public identifier with accessed terminal,
The described network equipment, the public identifier that is used for obtaining described terminal to be accessed is the multiple terminals Sharing Information, public identifier according to described terminal to be accessed is the multiple terminals Sharing Information, with described terminal to be accessed access network, and continues as described accessed terminal service is provided;
Wherein, it is the message of multiple terminals Sharing Information that the described network equipment specifically is used for receiving the public identifier that carries described terminal to be accessed, the public identifier that obtains described terminal to be accessed from this message is the multiple terminals Sharing Information, perhaps, obtain the subscription data of the public identifier correspondence of described terminal to be accessed, the public identifier that obtains described terminal to be accessed according to described subscription data is the multiple terminals Sharing Information, perhaps, the public identifier table is shared in multiple terminals according to storage in advance, and the public identifier that obtains described terminal to be accessed is the multiple terminals Sharing Information.
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