CN101047946B - Network reaccess procedure leaded by network - Google Patents
Network reaccess procedure leaded by network Download PDFInfo
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- CN101047946B CN101047946B CN2006100347915A CN200610034791A CN101047946B CN 101047946 B CN101047946 B CN 101047946B CN 2006100347915 A CN2006100347915 A CN 2006100347915A CN 200610034791 A CN200610034791 A CN 200610034791A CN 101047946 B CN101047946 B CN 101047946B
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Abstract
This invention provides a network re-entry method for terminals including: a network side authenticates and checks the legality of a request from a terminal and fails and gets context information of the terminal to determine a network re-entering flow of the terminal based on the context information and a local strategy and sends the re-enter flow instruction to the terminal, which executes the network re-enter flow with the network side.
Description
Technical field
The present invention relates to network and reentry, relate in particular to such as the network reentry method of netboot in the position updating process and the equipment and the system of this method of employing.
Background technology
Idle pulley is a kind of terminal work mode in the mobile wide-band wire-less accessing system of IEEE802.16e standard definition.Under the idle pulley, mobile radio station (MS) can move in a very big zone, receive the downlink broadcast service message every certain cycle, whether have downlink business to send by broadcast notice mobile radio station, mobile radio station needn't be registered to the base station of this sub-district (BS) in the sub-district of roaming in the roam procedure in this zone.Simultaneously, when mobile radio station roams into different districts, the normal running flow process such as needn't switch, thereby help saving transmitting power of mobile station and interface-free resources.
A group can be formed in a plurality of base stations, is called paging group (Paging Group).The purpose of paging group is to constitute a continuous zone, and mobile radio station there is no need to send uplink service in this zone, but can judge whether to send to its downlink business by descending paging channel.Paging group must be enough greatly to guarantee that most of mobile radio stations remain in the same paging group scope in a long time; Paging group is enough little again, to guarantee that be rational a paging group to the expense that mobile radio station carries out paging.
With the course of normal operation of certain serving BS in, mobile radio station can enter idle pulley by sending message request.Similarly, serving BS also can initiatively require mobile radio station to enter idle pulley by sending message.No matter be that mobile radio station initiatively initiates to ask to enter idle pulley, or serving BS initiatively requires mobile radio station to enter idle pulley by sending message, mobile radio station all will be finished the process of registering, entering idle pulley in official hour.
Micro-wave access to global intercommunication (WiMAX) standard definition of formulating at present the paging reference model under the idle pulley, paging controller (Paging Controller, abbreviate PC as) be the network entity of control mobile radio station idle pulley activity, this entity is a logic entity in the network architecture of present WiMAX, with another logic entity authentication person (may realize in same physical NE as a part of logic function of authentication person) in close relations.Its physical location may be arranged in the physical NE access service network gateway (ASN GW) of WiMAX network, also may be positioned at another independently physical NE.In addition, because paging controller need be initiated beep-page message according to the paging group at current mobile radio station place, therefore, need a location register (LR) to preserve state information, paging information and the service flow relevant information of mobile radio station.In general, the corresponding location register logic entity of paging controller logic entity meeting, and two logic entities are realized in same physical NE.
Fig. 1 is the paging reference model among the WiMAX.Paging reference model according to Fig. 1, when going up active request at BS1 (serving BS), mobile radio station MS enters idle pulley, when perhaps BS1 indication mobile radio station enters idle pulley, by mobile radio station and BS1, interacting message between BS1 and the rear end network element ASN GW, notice paging controller paging controller PC (realizing in ASN GW1) mobile radio station enters idle pulley, and preserves state information, paging information and the service stream information of mobile radio station in the location register LR of correspondence.Mobile radio station can carry information that need to ask reservation when it enters idle pulley in issuing the idle-mode request message of BS1, BS1 also can be provided with similar information in the idle mode request response message, be used for the relevant information of notifying mobile radio station in location register, to be kept, and with sign (ID) the notice mobile radio station of paging controller.In addition, after mobile radio station enters idle pulley, need to discharge corresponding R4, R6 interface, but need to keep R 3 interfaces between home agent (HA) and the external agent (FA).
Fig. 2 is a kind of flow process of accessing terminal to network of prior art.As shown in Figure 2, in I EEE802.16e, defined air interface specification, defined for the access procedure of eating dishes without rice or wine of mobile radio station.Described flow process comprises the steps:
1) the scanning down channel, set up between mobile radio station and the base station synchronously;
2) obtain the up transmission parameter of mobile radio station;
3) carry out range finding, adjustment power and delay parameter;
4) negotiate for basic capability comprises the negotiation of the IP protocol version that mobile radio station and base station are supported and determines;
5) to authentication, the mandate of mobile radio station, mobile radio station IP address assignment/obtain, the carrying that IP connects is set up.
More than be the step of mobile radio station access network process, but the network re-entry procedure under scenes such as switching, protocol definition can be according to the disposition of network side, the method for clipped step.
Also should consider the network re-entry procedure that terminal withdraws from from idle pulley in the real work, before entering idle pulley, relevant information is saved in the actual conditions of paging controller according to terminal, guaranteeing that the network of terminal when idle pulley withdraws from reentried can the clipped step, and guaranteeing has the terminal under the service paging situation to reentry fast.
Terminal withdraws from from idle pulley, promptly relates to withdrawing from from idle pulley under the normal condition, comprises situations such as paged, timer expiry.Also consider in simultaneously, because the network in the unsafe position updating process under HMAC/CMAC (that is hash message authentication code/cipher-text message authentication code) the verification failure of searching request RNG_REQ message is reentried such as position updating process.Current 16e agreement only illustrates terminal in position updating process, if the legitimacy verification of RNG_REQ message failure, network enters network re-entry procedure with guiding terminal.How directs network is reentried but do not define, and flow process that it relates to and scheme need definition.
Summary of the invention
The purpose of this invention is to provide the terminal under idle pulley, in the executing location renewal process because under the HMAC/CMAC failure scenarios of network side verification RNG_REQ message, how guiding terminal enters flow process and the solution that network is reentried to network side.
For this reason, the invention provides a kind of network reentry method of terminal, comprise step: authentication verification and failure are carried out to the legitimacy of the RNG_REQ request message that comes self terminal in the base station;
Described base station obtains the contextual information of described terminal;
The flow process of the network reentry of described terminal is determined according to the contextual information and the local policy of described terminal in described base station;
Authentication is carried out to described terminal in described base station;
When authentication passed through, the reentry of described terminal was accepted in described base station, reentried by described definite network reentry flow performing network;
When authentication did not pass through, the reentry of described terminal was refused in described base station.
According to second aspect, the base station in a kind of wireless MAN is provided, comprising:
When the RNG_REQ request message that comes self terminal being carried out authentication verification failure, obtain the device of the contextual information of terminal;
According to the contextual information and the local policy of described terminal, determine the device of the network reentry flow process of described terminal;
Described terminal is carried out the device of authentication,
When authentication passes through, accept the reentry of described terminal; When authentication does not pass through, refuse the reentry of described terminal;
Described definite network reentry flow process is sent to terminal, thereby carry out the device of network reentry flow process.
The reciprocal process of the present invention is perfect terminal and network makes system stable more and reliable.
Description of drawings
Below will the present invention will be described in more detail with reference to accompanying drawing by way of example, in the accompanying drawing:
Fig. 1 is the paging reference model among the WiMAX;
Fig. 2 is a kind of flow process of accessing terminal to network of prior art;
Fig. 3 is the schematic diagram according to first embodiment of the present invention;
Fig. 4 is the schematic flow sheet according to second embodiment of the present invention.
Embodiment
During describing, specific embodiments hereinafter adopts WiMAX paging reference model shown in Figure 1.But, need to prove, the present invention includes but be not limited to application in the WiMAX system.
Fig. 3 is the schematic diagram according to first embodiment of the present invention.
As shown in Figure 3, mobile radio station (MS) is initiated the position by searching request RNG_REQ message and is upgraded, and carries mobile radio station ID (ID is sign, down together) and anchoring paging controller ID in the message.Perhaps, mobile radio station is initiated shutdown indication (Power Down Indication) request by this message, and the current terminal attempt shutdown that is under the idle pulley of mobile radio station is represented in the appearance of the indicated value of wherein shutting down.Shutdown request and position updating request can adopt same message, but content difference in the message.The former carries the position and upgrades indication, and the latter carries the shutdown indication.They are to be fit to two kinds of different scenes of the present invention.Hereinafter be that example describes with the position updating request.
After serving BS (BS) is received the RNG_REQ message of mobile radio station, utilize the effective KI AK and the AK contextual information of this mobile radio station that self keeps, the legitimacy of verification RNG_REQ message.If assay is legal, then carry out normal position updating process; If illegal, then network side will guide the network of mobile radio station to reentry.Next introduce the reentrant procedure of network.
Serving BS sends end message (MS INFO) request to the ASN-GW at the relaying paging controller place that serving BS connected request mobile radio station context, is convenient to accelerate network and reentries.Carry unsafe position in the message and upgrade indication, and carry the network reentry indication of withdrawing from from idle pulley.Unsafe position is upgraded indication and is shown current location updating message verification failure; Network is reentried and is indicated the paging controller PC/location register LR entity of telling the rear end, and mobile radio station will have been reentried, and paging controller/location register can be preserved corresponding information, and waits for the flow process of back.
The relaying paging controller is transmitted the ASN-GW of MS INFO request message to the anchoring paging controller place.
Anchoring paging controller is received MS INFO request, gives the contextual information of the mobile radio station of preservation for change, and external agent of mobile radio station correspondence (FA) and grappling service flow mandate (SFA) information; Further to the related service stream information of external agent and grappling SFA request mobile radio station; And construct MS INFO response message, send to the ASN-GW at relaying paging controller place.Carry idle pulley in the message and keep information (IDLE MODE RETAIN INFO) indication, the relevant context parameters of omissible step when carrying idle pulley simultaneously and keeping the indicated mobile radio station network of information and reentry.The various contexts of mobile radio station comprise the mobile radio station ability parameter that carries reservation when mobile radio station enters idle pulley, comprise the parameter that relates in SBC_REQ and the REG-REQ message, and the IP address of the mobile radio station that distributes before, the HA address, CoA address (IPv 6 terminal address) etc., and service flow parameters.
After the ASN-GW at relaying paging controller place receives the MS INFO response message of anchoring paging controller, keep the mobile radio station contextual information (such as link information, session information, Business Stream information or the like) that oneself should keep, further forward the message to the current serving BS of mobile radio station at paging agent (PA) place.
Serving BS obtains the contextual information that it should be safeguarded, promptly carries in the MS INFO response message shown in the figure:
-comprise the grappling authentication person ID of this mobile radio station;
-comprise that idle pulley keeps information, comprise the relevant context parameters of omissible step when the indicated mobile radio station network of idle pulley reservation information is reentried simultaneously.
-base station is according to above information and the local policy of oneself and the policy information that may obtain from service ASN-GW, the flow process that the mobile radio station network of further making a strategic decision is reentried, promptly whether can omit and omit which step, structure handoff procedure parameters optimization (HO Process Optimization TLV) sends RNG_RSP message to mobile radio station.May carry the basic connection identifier (hereinafter abbreviating connection identifier as CID) that new base station distributes for this mobile radio station in the message, main management CID; If the base station has obtained the service flow information of this mobile radio station, then further may upgrade these service flow corresponding parameters information, as the CID that upgrades, and/or service flow identifies information such as SFID.
Mobile radio station is then according to the handoff procedure parameters optimization in the RNG-RSP that receives, and the information of carrying in the RNG-RSP message, upgrade the inner context that keeps of mobile radio station, CID as related service stream, SFID, and/or the basic CID of this mobile radio station distribution, information such as main management connection identifier are given in new base station.
Because it is owing to due to the verification RNG_REQ failure, may trigger the re-authentication process that unsafe position is upgraded, and therefore after mobile radio station is received RNG_RSP, must carry out the authentication flow process.
Finish in the authentication process, mobile radio station and base station will be according to the follow-up as can be known capability negotiations that whether carries out of the handoff procedure parameters optimization indication information of constructing in the RNG_RSP, processes such as registration REG_REQ/RSP.That is to say that network insertion procedure division shown in Figure 2 is optional.
After above process is finished, mobile radio station will be finished the process of setting up of data channel with network side, all not need to finish this process if the granularity of data channel is not based under the situation of base station; So far mobile radio station has just been finished network re-entry procedure, can transmit data.
After base station and external agent finish data channel and set up, the external agent will notify the context of anchoring paging controller deletion mobile radio station, and notifies the key information that needs in safe context that original grappling authentication person and anchor agent move IP (PMIP) client (Client) deletion mobile radio station and the MIP process.Because mobile radio station has carried out authentication again in aforementioned process, this moment the authentication person authentication person in the service ASN-GW that connects for the base station that just is subject to variation.This moment, PMIP client also can move thereupon.
Fig. 4 is the schematic flow sheet according to second embodiment of the present invention.
As shown in Figure 4, mobile radio station is initiated the position by RNG_REQ message and is upgraded, and carries mobile radio station ID and anchoring paging controller ID in the message.Under the situation of shutdown, this message is carried the shutdown indication rather than indication is upgraded in the position.
After serving BS is received the RNG_REQ message of mobile radio station, check the effective KI AK and the AK contextual information that self whether remain with this mobile radio station.As do not have, serving BS is not known the information of the grappling authentication person ID of this terminal again simultaneously, then sends position updating request (LU request) message to service ASN-GW; Service ASN-GW is forwarded to the ASN-GW at relaying paging controller place.Carry mobile radio station ID in the message, base station IDs, anchoring paging controller ID carries the indication of the security information that need inform this mobile radio station simultaneously.
The ASN-GW at relaying paging controller place transmits the LU request message to anchoring paging controller place ASN-GW, and relaying paging controller ID cell is carried in increase in the message of transmitting.
After anchoring paging controller is received the LU request message, preserve the information in the LU request, note the residing relaying paging controller of mobile radio station id information.If indication needs security information in the location update request message, then anchoring paging controller will find the information of the grappling authentication person ID of this mobile radio station in the anchor station register LR related with this anchoring paging controller, and reply the position to the ASN-GW at relaying paging controller place and upgrade response message (LU response).Carry mobile radio station ID in the message, anchoring paging controller ID, relaying paging controller ID, base station IDs, grappling authentication person ID.In an alternate embodiment, also can directly notify grappling authentication person to generate new AK and AK context by anchoring paging controller for this mobile radio station, in the LU-response message, can directly carry the AK and the AK context of generation this moment, and need not carry grappling authentication person ID, and as the 4th among the figure) step and the 5th) step.If indicate verification to finish in the LU request message, then only get final product in the LU response message with carrying mobile radio station ID and handling ID.
The service ASN-GW at relaying paging controller place transmits the LU-response message to serving BS, after serving BS is received:
If what carry in the LU-response message is grappling authentication person id information, then serving BS sends the AK request message to the ASN-GW at grappling authentication person place, and request generates AK and AK context.Grappling authentication person returns to serving BS by changeing (transfer) before the AK.After serving BS obtains AK and AK context, verification RNG-REQ message, RNG_RSP message is replied to mobile radio station in success back, shows that the position upgrades successfully.If failure then guides mobile radio station to finish network re-entry procedure.
Serving BS sends MS INFO request to the ASN-GW at the relaying paging controller place that serving BS connected request mobile radio station context, is convenient to accelerate network and reentries.Carry unsafe position in the message and upgrade indication, and carry the network reentry indication of withdrawing from from idle pulley.
The relaying paging controller is transmitted the ASN-GW of MS INFO request message to the anchoring paging controller place.
Anchoring paging controller is received MS INFO request, asks the former contextual information of the mobile radio station of its preservation to location register LR, and the external agent of mobile radio station correspondence and grappling SFA information; Further related service stream information to external agent and grappling SFA request mobile radio station; And construct MS INFO response message, send to the ASN-GW at relaying paging controller place.Carry idle pulley reservation information indication in the message, the relevant context parameters of omissible step when carrying idle pulley simultaneously and keeping the indicated mobile radio station network of information and reentry.The various contexts of mobile radio station comprise the mobile radio station ability parameter that carries reservation when mobile radio station enters idle pulley, comprise the parameter that relates in SBC_REQ and the REG-REQ message, and the IP address of the mobile radio station that distributes before, the HA address, CoA address etc., and service flow parameters.
The ASN-GW at relaying paging controller place keeps the mobile radio station contextual information that oneself should keep after receiving the MS INFO response message of anchoring paging controller, further forwards the message to the current serving BS of mobile radio station at paging agent PA place.
Serving BS obtains the contextual information that it should be safeguarded, promptly carries in the MS INFO response message shown in the figure:
-comprise the grappling authentication person ID of this mobile radio station;
-comprise that idle pulley keeps information, comprise the relevant context parameters of omissible step when the indicated mobile radio station network of idle pulley reservation information is reentried simultaneously.
-base station is according to above information and the local policy of oneself and the policy information that may obtain from service ASN-GW, the flow process that the mobile radio station network of further making a strategic decision is reentried, promptly whether can omit and omit which step, structure handoff procedure parameters optimization sends RNG_RSP message to mobile radio station.May carry the basic CID that new base station distributes for this mobile radio station in the message, main management CID; If the base station has obtained the service flow information of this mobile radio station, then further may upgrade these service flow corresponding parameters information, as the CID that upgrades, and/or information such as SFID.
After serving BS transmission RNG_RSP message is to terminal, reply the position for simultaneously the relaying paging controller and upgrade acknowledge message LU affirmation, carry position renewal failure indication in the message; Further reply the LU acknowledge message after the relaying paging controller is received, comprise this indication information in the message to anchoring paging controller.
After anchoring paging controller is received the LU acknowledge message that the relaying paging controller sends, anchoring paging controller will be deleted the temporary information in the mobile station location updating message of receiving of preserving previously in the LU request message, but it is constant to keep original information about this mobile radio station.
Mobile radio station is then according to the handoff procedure parameters optimization in the RNG-RSP that receives, and the information of carrying in the RNG-RSP message, upgrade the inner context that keeps of mobile radio station, CID as related service stream, SFID, and/or the basic CID of this mobile radio station distribution, information such as main management connection identifier are given in new base station.
Cause because unsafe position is upgraded by verification RNG_REQ failure, may trigger the re-authentication process, therefore after mobile radio station is received RNG_RSP, must carry out the authentication flow process.
Finish in the authentication process, mobile radio station and base station will be according to the follow-up as can be known processes such as capability negotiation, registration REG_REQ/RSP of whether carrying out of the handoff procedure parameters optimization indication information of constructing in the RNG_RSP; That is to say that network insertion procedure division shown in Figure 2 is optional.
After above process is finished, mobile radio station will be finished the process of setting up of data channel with network side.Be not based in the granularity of data channel under the situation of base station and all need to finish this process.So far, mobile radio station has just been finished network re-entry procedure, can transmit data.
Mobile radio station and external agent finish data channel set up finish after, the external agent will notify the context of anchoring paging controller deletion mobile radio station, and notifies the key information that needs in safe context that original grappling authentication person and grappling PMIP client delete mobile radio station and the MIP process; Because mobile radio station has carried out authentication again in aforementioned process, this moment the authentication person authentication person in the service ASN-GW that connects for the base station that just is subject to variation; This moment, PMIP client also can move thereupon.
Further, if the external agent is taken place during the course, grappling SFA, grappling authentication person, grappling PMIP Customer Transition, new external agent can notify the old external agent of this mobile radio station correspondence, grappling SFA, grappling authentication person, all contextual informations of this mobile radio station that the deletion of grappling PMIP customer requirement is corresponding.
To two above embodiment, when mobile radio station in the process that network is reentried, carry out authentication by the time, just undertaken by top process; If authentication does not pass through, the reentry of network refusal mobile radio station, the information of the mobile radio station of relevant this MSS ID representative that keeps in each entity will can not be modified simultaneously.Thereby the mobile radio station that the access influence that prevents illegal mobile radio station is legal and the proper communication of network.
In addition, after the mobile radio station authentication passes through, may cause external agent's migration.The former of migration produced new MIP key because of authentication, need re-register MIP.If at this moment the external agent with grappling authentication person binding is different with the external agent of original mobile radio station, or during original external agent's routing relation more complicated, system will move the external agent of mobile radio station to more excellent external agent.At this moment the relevant information on the original external agent, to be transferred on the new external agent, and initiate to the MIP of home agent register requirement by new external agent, follow-up data channel also is based upon on this new external agent, and originally the external agent goes up the information of relevant this mobile radio station with deleted.
For above two flow processs, if RNG_REQ message authentication failed is upgraded in the position, network side is after the mobile radio station reentry is finished, just set up and finish in data channel, and after deleting corresponding context, if there is not the relevant business of mobile radio station this time, network side can initiate to allow the process of terminal access idle mode immediately, and terminal transfer is advanced idle condition.Can certainly not do migration immediately, the process that enters idle pulley by mobile radio station or network initiation again when waiting for that by existing protocol the condition that enters idle pulley satisfies.
In addition, when relaying paging controller and anchoring paging controller were same entity, the communication process between them had not just had, and is just directly communicated by letter with anchoring paging controller by base station/PA (being paging agent).
In above two flow processs, if terminal is initiated RNG_REQ message, indication shutdown in the message, after the base station was to RNG_REQ message authentication failed, RNG_RSP message was replied to terminal in the base station, the indicating terminal authentication of reentrying in the message.At this moment mobile radio station initiates to reentry, and the reentry reason is designated as shutdown reentry authentication.At this moment the base station re-authenticates authentication to mobile radio station.If the authentication success, response is replied in the base station, and the success of indication authentication can be shut down and be moved back net in the response message; The relevant information that the while network side is deleted the mobile radio station that keeps in each entity.After mobile radio station is received message, delete contextual information, carry out normal power-off operation.If response is then replied in the authentication failure, indication authentication failure in the response message; The information of relevant this mobile radio station constant (keeping terminal to initiate the preceding state of RNG_REQ shutdown request message) in while each entity of network side.
With top at the position more the flow process difference of new description be, under the situation that shutdown is handled, it is just passable only need to carry out authentication to mobile radio station in the process of reentrying, and does not carry out other process, sets up or the like as possible capability negotiation, registration, data channel.Authentication is successful just to allow shutdown, and the contextual information of deletion network side, and MIP heavily registers with regard to not having, grappling authentication person migration etc. operated; If authentication is unsuccessful, then network side information is constant.
In addition, when upgrading,, cause that terminal reentries, then when terminal is reentried, carry and reentry former because position renewal causing reentry authentication if to the authentication failed of RNG_REQ message for the position.The network side basis is the reentry flow process of needs (authentication must carry out, and other processes are all optional) in this case, finishes the reentry of terminal.If authentication success, RNC_RSP message is directly replied to terminal in the base station, carry the result in the message and be designated as permission and complete successfully the position renewal, comprise successfully position undated parameter PCID, paging parameters (PGID, paging cycle, paging offset) and certificate parameter HMAC/CMAC in the message simultaneously; Network side is finished the renewal of terminal positional information simultaneously.Thereby the guiding mobile radio station enters the leisure pattern.If authentication is unsuccessful, then handle identical with embodiment 1,2.
Though need to prove that above invention has been described in conjunction with mobile radio station, yet the present invention is also applicable to other terminal.
Need to prove that above-mentioned shutdown request is that the general reference terminal is initiated the request exit network, not the GC group connector power supply that must shut down.
Obviously, the present invention described here can have many variations, and this variation can not be thought and departs from the spirit and scope of the present invention.Therefore, the change that all it will be apparent to those skilled in the art all is included within the covering scope of these claims.
Claims (20)
1. the network reentry method of a terminal comprises step:
Authentication verification and failure are carried out to the legitimacy of the RNG_REQ request message that comes self terminal in the base station;
Described base station obtains the contextual information of described terminal;
The flow process of the network reentry of described terminal is determined according to the contextual information and the local policy of described terminal in described base station;
Authentication is carried out to described terminal in described base station;
When authentication passed through, the reentry of described terminal was accepted in described base station, reentried by described definite network reentry flow performing network;
When authentication did not pass through, the reentry of described terminal was refused in described base station.
2. network reentry method as claimed in claim 1 is characterized in that the step of described authentication verification comprises that the base station obtains authentication person's sign and asks to generate KI and cryptographic key context to authentication person from paging controller.
3. network reentry method as claimed in claim 1, the step that it is characterized in that described authentication verification comprises that the base station sends the security information request to paging controller, based on this security information request, paging controller directly notifies authentication person to generate KI and cryptographic key context for this terminal.
4. network reentry method as claimed in claim 1 is characterized in that described contextual information comprises at least one related parameter in capability negotiation request and the register requirement; Described flow process skip with described capability negotiation request and login request message at least one relevant reentry step.
5. network reentry method as claimed in claim 1 is characterized in that the step that the base station obtains the contextual information of terminal comprises that the base station sends the end message request to paging controller; Paging controller is searched the contextual information of terminal based on described end message request, and contextual information is sent to the base station.
6. network reentry method as claimed in claim 5 is characterized in that the network reentry indication that described end message request is carried the renewal indication of unsafe position and withdrawed from from idle pulley.
7. network reentry method as claimed in claim 1 is characterized in that comprising when authentication passes through, the reentry of receiving terminal, base station, the relevant described terminal information of each entity deletion of network side.
8. network reentry method as claimed in claim 1 is characterized in that comprising when authentication does not pass through, the reentry of base station refusal terminal, and it is constant that each entity of network side will keep relevant described terminal information simultaneously.
9. network reentry method as claimed in claim 1 is characterized in that described RNG_REQ request message carries the shutdown indication.
10. network reentry method as claimed in claim 9 is characterized in that the step of described execution network reentry flow process comprises that terminal sends search request message to the base station, and this message is carried the network reentry indication that causes because of the shutdown request failure.
11. network reentry method as claimed in claim 9 is characterized in that comprising after described base station is to the terminal authentication authentication success, net is moved back in indicating terminal shutdown in base station; The terminal related information that keeps in each entity is deleted in the base station simultaneously; Terminal is deleted contextual information after receiving described shutdown indication, carries out power-off operation.
12. network reentry method as claimed in claim 1 is characterized in that described RNG_REQ request message carries the position and upgrades indication.
13. network reentry method as claimed in claim 12 is characterized in that comprising after authentication passes through, migration external agent and relevant information transferred on the new external agent.
14. network reentry method as claimed in claim 12 is characterized in that comprising between base station and the external agent and sets up data channel.
15. network reentry method as claimed in claim 12, it is characterized in that comprising when at least one the generation change among authentication person and the proxy-mobile IP client external agent's notice described authentication person before changing and the contextual information of at least one the deletion terminal among the proxy-mobile IP client.
16. the base station in the wireless MAN comprises:
When the RNG_REQ request message that comes self terminal being carried out authentication verification failure, obtain the device of the contextual information of terminal;
According to the contextual information and the local policy of described terminal, determine the device of the network reentry flow process of described terminal;
Described terminal is carried out the device of authentication,
When authentication passes through, accept the reentry of described terminal; When authentication does not pass through, refuse the reentry of described terminal;
Described definite network reentry flow process is sent to terminal, thereby carry out the device of network reentry flow process.
17. base station as claimed in claim 16 is characterized in that also comprising when authentication passes through, the device of the relevant described terminal information of each entity deletion of informing network side.
18. base station as claimed in claim 16 is characterized in that also comprising that when authentication does not pass through, base station each entity of informing network side will keep the device of relevant described terminal information.
19. base station as claimed in claim 16 is characterized in that described RNG_REQ request message carries the shutdown indication.
20. base station as claimed in claim 16 is characterized in that described RNG_REQ request message carries the position and upgrades indication.
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| CN2006100347915A CN101047946B (en) | 2006-03-28 | 2006-03-28 | Network reaccess procedure leaded by network |
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| CN2006100347915A CN101047946B (en) | 2006-03-28 | 2006-03-28 | Network reaccess procedure leaded by network |
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| CN101047946B true CN101047946B (en) | 2011-08-24 |
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| JP5517187B2 (en) * | 2009-04-10 | 2014-06-11 | 日本電気株式会社 | Femtocell base station, authentication device, communication system, control method, and program |
| KR101983114B1 (en) * | 2014-12-17 | 2019-05-29 | 텔레호낙티에볼라게트 엘엠 에릭슨(피유비엘) | Method and apparatus for mobility management |
| CN116669042B (en) * | 2023-07-26 | 2023-11-14 | 中国电信股份有限公司 | Re-authentication method and device for voice wireless local area network and communication equipment |
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