CN101350755B - Method for processing switch, method for generating message and network side equipment as well as network system - Google Patents
Method for processing switch, method for generating message and network side equipment as well as network system Download PDFInfo
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- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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Abstract
The present invention discloses a switch processing method, a message generation method, a network-side device and a network system. The switch processing method comprises the following steps: receiving the message which is transmitted by the anchor access service network gateway and used for carrying the mobile table network access identifier information which comprises the mobile table attributing domain information; acquiring the mobile table attributing domain information in the mobile table network access identifier information; and switching the mobile table according to the domain information of the current domain and the mobile table attributing domain information. The information generation method comprises the following steps: adopting an anchor access service network gateway to acquire the mobile table network access identifier information which comprises the mobile table attributing domain information; and generating the information which carries the mobile table network access identifier information. The switch processing method can be used for more reliably realizing the switching control based on the domain information. The information generation method can be used for adopting the anchor access service network gateway to generate the message which is used for indicating the mobile table attributing domain information.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of switching handling method, message generation method and network equipment and network system.
Background technology
Along with the development of internet service and the extensive use of wireless network, micro-wave access to global intercommunication (WiMAX, Worldwide Interoperability Microwave Access) system has obtained a large amount of application and concern with its good wireless access characteristic.
WiMAX mobile network architecture system generally includes: mobile subscriber station (MSS, Mobile SubscribeStation), access service network (ASN, Access Service Network), connectivity serving network (CSN, Connectivity Service Network).Wherein, ASN may have a plurality of, comprises base station (BS, Base Station) and access service network gateway (ASN-GW, Access ServiceNetwork GateWay) network element in ASN usually again; Generally include checking among the CSN and authorize (AAA, AuthenticationAuthorization Accounting) server and the home agent that charge.ASN can be divided into again in logic: service access service network (Serving ASN) is used to the Mobile Origination handed over service; Target access service network (Target ASN), the objective network that the expression travelling carriage switches; Be anchored service network Anchor ASN, be used to travelling carriage that anchor data channel (DP, Data Path) function is provided; Authentication access service network (Authenticator ASN) is used to provide the authenticate key distribution function.
When travelling carriage switches, if the target access service network gateway TargetASN-GW among the Target ASN can get access to the home domain information of travelling carriage, then can carry out switching controls according to home domain information and the current field information of travelling carriage, for example control of bandwidth or type of service aspect etc., if find to satisfy the professional qualification (for example bandwidth requirement) of travelling carriage, then can refuse this travelling carriage and switch to this Target ASN-GW.The home domain information of travelling carriage can be by obtaining travelling carriage network access identifier information (MS NAI, Mobile Station Network Access Identifier) obtains, travelling carriage network access identifier information is user's identification information, wherein comprises user name and travelling carriage home domain information.
Prior art is having the switching of preparation or is not having under the switching mode of preparation, can obtain authorization key (AK to what Authenticator ASN initiated at serving BS (ServingBS) or target BS (Target BS), Authorization Key) in the context procedures, from the AK context of relay transmission, obtains MS NAI information by Target ASN-GW.Wherein, having under the switching mode of preparation, comprising preparatory stage and execution phase in this two stage of switching, can initiate to obtain the AK context procedures in arbitrary stage.
In research and practice process to prior art, the inventor finds to exist at least in the prior art following technical problem:
In the handover scheme of prior art, be to rely on authentication mechanism to obtain MS NAI information, but some situation is not need to carry out verification process, does not promptly exist and obtains the AK context procedures, this moment, TargetASN-GW just can't obtain MS NAI information; And carry out at needs under the situation of verification process, because the message in the existing protocol in the regulation AK context procedures is transparent transmission for Target ASN-GW, it is the generally only responsible relay transmission of Target ASN-GW, and do not obtain wherein content, so the method that Target ASN-GW obtains MS NAI in the prior art might be failed.
In a word, the prior art scheme can't guarantee that Target ASN-GW can get access to MS NAI information, if can't get access to MS NAI information, also just can not obtain the home domain information of travelling carriage, causes realizing the switching controls based on domain information.
Summary of the invention
The technical problem that the embodiment of the invention will solve provides a kind of switching handling method, message generation method and network equipment and network system.
Another technical problem that the embodiment of the invention will solve provides a kind of message generation method and network equipment, can realize being generated by the anchor access service network gateway message of indication travelling carriage home domain information.
The embodiment of the invention provides a kind of switching handling method, comprising: receive the message of carrying travelling carriage network access identifier information that the anchor access service network gateway sends, comprise travelling carriage home domain information in the described travelling carriage network access identifier information; Obtain the travelling carriage home domain information in the described travelling carriage network access identifier information; Domain information and described travelling carriage home domain information according to the current field are carried out switching controls to travelling carriage.
The embodiment of the invention provides a kind of message generation method, comprising: the anchor access service network gateway obtains travelling carriage network access identifier information, contains travelling carriage home domain information in the described travelling carriage network access identifier information; The message of described travelling carriage network access identifier information is carried in generation.
The embodiment of the invention provides a kind of network equipment, comprise: receiving element, be used to receive the message of carrying travelling carriage network access identifier information that the anchor access service network gateway sends, comprise travelling carriage home domain information in the described travelling carriage network access identifier information; Information acquisition unit is used for obtaining travelling carriage home domain information the described travelling carriage network access identifier information from the message that described receiving element receives; Control unit is used for according to the travelling carriage home domain information that the domain information and the described information acquisition unit of the current field are obtained travelling carriage being carried out switching controls.
The embodiment of the invention provides a kind of anchor access service network gateway, comprising: acquiring unit, be used to obtain travelling carriage network access identifier information, and contain travelling carriage home domain information in the described travelling carriage network access identifier information; Generation unit is used for the travelling carriage network access identifier information obtained according to described acquiring unit, generates the message of carrying described travelling carriage network access identifier information.
The embodiment of the invention provides a kind of network system, comprising: the anchor access service network gateway, be used to send the message of carrying travelling carriage network access identifier information, and comprise travelling carriage home domain information in the described travelling carriage network access identifier information; The target access service network gateway, be used to receive the message that described anchor access service network gateway sends, obtain the travelling carriage home domain information in the described travelling carriage network access identifier information, travelling carriage is carried out switching controls according to the domain information and the described travelling carriage home domain information of the current field.
By the above embodiment of the invention first technical scheme as can be seen, because the embodiment of the invention is by receiving the message that contains travelling carriage network access identifier information that the anchor access service network gateway sends, and contain travelling carriage home domain information in the travelling carriage network access identifier information, therefore, the issuable failure phenomenon of obtaining when having avoided obtaining travelling carriage home domain information by authentication mechanism makes the travelling carriage switching controls reliable more and convenient.
By the above embodiment of the invention second technical scheme as can be seen, be after obtaining travelling carriage network access identifier information by the anchor access service network gateway in the invention process, the message of described travelling carriage network access identifier information is carried in generation, and contain travelling carriage home domain information in the described travelling carriage network access identifier information, therefore the message of anchor access service network gateway generation just can be indicated travelling carriage home domain information, no longer needs by authentication mechanism indication travelling carriage home domain information.
Description of drawings
Fig. 1 is that the message of the embodiment of the invention one generates method flow diagram;
Fig. 2 is the switching handling method schematic diagram of the embodiment of the invention two;
Fig. 3 is the embodiment of the invention three switching handling method flow charts;
Fig. 4 is the pre-established process flow diagram of data channel in the embodiment of the invention three;
Fig. 5 is the embodiment of the invention four switching handling method flow charts;
Fig. 6 is the embodiment of the invention six switching handling method flow charts;
Fig. 7 is the structural representation of embodiment of the invention target access service network gateway;
Fig. 8 is the structural representation of embodiment of the invention anchor access service network gateway;
Fig. 9 is an embodiment of the invention network architecture schematic diagram.
Embodiment
The embodiment of the invention provides a kind of switching handling method, can realize the switching controls based on domain information more reliably.
The embodiment of the invention also provides a kind of message generation method, can realize being generated by the anchor access service network gateway message of indication travelling carriage home domain information.
Introducing the message generation method of the embodiment of the invention earlier, see also Fig. 1, is that the message of the embodiment of the invention one generates method flow diagram, comprising:
The anchor access service network gateway receives the request message that the target access service network gateway sends, and described request message is pre-established request message of passage (as Path_Prereg_Req message) or channel registration request message (as Path_reg_Req message).The channel registration request message may be in the message that the execution phase reception of preparing under the switching mode is arranged, and also may be not have the message that receives under the preparation switching mode.
The anchor access service network gateway obtains the MSNAI information about travelling carriage of self storing behind request message.Certainly, also may be that anchor access service network gateway other network elements from network system for example authenticate and obtain these information in the access service network gateway.
The anchor access service network gateway obtains the MS NAI information about travelling carriage, and MS NAI information is added in the response message, generates and carries the response message of MS NAI information, the home domain information of indication travelling carriage.
If what the anchor access service network gateway received is the pre-established request message of passage, after then obtaining the MS NAI information of storage, it is added in the pre-established response message of passage, generate and carry the pre-established response message of passage of MS NAI information, for example Path_Prereg_Rsp message.
If what the anchor access service network gateway received is the channel registration request message, then obtain the MSNAI information of storage after, it is added in the channel registration response message, generate and carry the channel registration response message of MS NAI information, for example Path_reg_Rsp message.
MS NAI information is as shown in table 1.
| Cell (IE, information elements) | With reference to (Reference) | Essential/optional (M/O, mandatory/optional) | Remarks (Notes) |
| ?MS?NAI | Elongated, maximum 256 | O | Travelling carriage network access identifier characteristic series (MS Network Access Identifier character string) |
Table 1MS NAI information
As shown in table 1, wherein travelling carriage network access identifier characteristic series includes the home domain information of user name and travelling carriage.
Because MS NAI information comprises user name and travelling carriage home domain information, therefore can be by in response message, adding the home domain information that MS NAI information indicates to the target access service network gateway travelling carriage.
After being anchored service network gateway A nchor ASN-GW generation response message, response message is sent to the target access service network gateway, the target access service network gateway just can obtain the home domain information of travelling carriage wherein like this, and carries out switching controls according to home domain information and the current field information of travelling carriage.
Below introduce the switching handling method of the embodiment of the invention.
See also Fig. 2, the switching handling method schematic diagram of the embodiment of the invention two comprises:
The message of carrying travelling carriage network access identifier information that step 201, reception anchor access service network gateway send comprises travelling carriage home domain information in the described travelling carriage network access identifier information;
The target access service network gateway receives the message of carrying travelling carriage network access identifier information that the anchor access service network gateway sends, and comprises travelling carriage home domain information in the described travelling carriage network access identifier information.
The target access service network gateway receives message, may be following several situation:
The preparatory stage of preparing under the switching mode is being arranged, receiving the pre-established response message of passage of the travelling carriage network access identifier information of carrying of anchor access service network gateway transmission; Perhaps,
In that the execution phase of preparing under the switching mode is arranged, receive the channel registration response message that carries travelling carriage network access identifier information that the anchor access service network gateway sends; Perhaps,
Not having under the switching mode of preparation, receive the channel registration response message that carries travelling carriage network access identifier information that the anchor access service network gateway sends.
The target access service network gateway obtains the travelling carriage network access identifier information in the described message, and obtains the travelling carriage home domain information in the described travelling carriage network access identifier information after receiving message.
Target access service network gateway Target ASN-GW can carry out switching controls according to home domain information and the current field information of travelling carriage after obtaining the home domain information of travelling carriage.The current field is meant the present residing territory of Target ASN-GW.Maximum bandwidth as configuration the current field permission on the Target ASN-GW, when travelling carriage is prepared to switch to Target ASN-GW, Target ASN-GW can obtain the home domain information of travelling carriage according to the pre-established response message of passage or channel registration response message, wherein contain the bandwidth that travelling carriage need use, then Target ASN-GW controls in conjunction with the already used bandwidth of the current field, if the bandwidth sum that the bandwidth that this travelling carriage need use and the current field have used has surpassed the maximum bandwidth that the current field of system configuration allows, can refuse this travelling carriage so and switch to this TargetASN-GW.
Because under different scenes, the method for switching is also different, below introduces the method for embodiment of the invention hand-off process in detail at various scenes.
Seeing also Fig. 3, is the embodiment of the invention three switching handling method flow charts.This embodiment is at the preparatory stage of prepare switching is being arranged, Serving BS obtains the AK context, and target access service network gateway Target ASN-GW receive to be anchored goes into the situation of carrying out switching controls behind the pre-established response message of the passage that carries MSNAI information that service network gateway A nchor ASN-GW sends.
As shown in Figure 3, comprising:
Step 301, travelling carriage send handoff request message to the serving BS Serving BS of service access service network Serving ASN, and as being MOB_MSHO_REQ message, request is switched.
The information of carrying one or more candidate target base station Target BS in the described handoff request message.
After the Serving BS of step 302, Serving ASN receives described handoff request message, obtain candidate Target BS information,, candidate BS is filtered, select Target BS according to the load capacity of candidate BS.Serving B S initiates to obtain authorization key (AK, Authorization Key) context procedures to authentication access service network Authenticator ASN, obtains the AK context of Target BS, and Target ASN-GW is at this process relay transmission AK context.
The Serving BS of step 303, Serving ASN sends handoff request message (for example HO_REQ message) to target access service network Target ASN, wherein carry anchor gateway identification (Anchor GWID, Anchor Gate Way ID) and the AK context that obtains of preceding step, starting timer simultaneously and wait for switching response message, for example is HO_Rsp message.
If the target BS Target BS of step 304 Targe tASN allows to switch, then can initiate the pre-established process of data channel according to the Anchor ASN-GW that the Anchor GWID that carries in the described handoff request message goes into service network Anchor ASN to anchor.
The pre-established process of data channel is carried out between the Target of the Anchor of Anchor ASN ASN-GW and TargetASN ASN-GW usually, and idiographic flow sees also Fig. 4, and Fig. 4 is the pre-established process flow diagram of data channel in the embodiment of the invention three.
As shown in Figure 4, comprising:
Step 401, Target ASN-GW are to the pre-established request message of Anchor ASN-GW sendaisle, as being Path_Prereg_Req message, initiate the pre-established process of data channel, and start the pre-established response message of timer wait Anchor ASN-GW backward channel;
Step 402, Anchor ASN-GW are to the pre-established response message of Target ASN-GW sendaisle, as being Path_Prereg_Rsp message, increased the home domain information that MS NAI information is used to indicate travelling carriage in the pre-established response message of passage, Anchor ASN-GW starts timer and waits for the pre-established correct response message of Target ASN-GW backward channel simultaneously.
In this step, Anchor ASN-GW adds the MS NAI information of storage in the pre-established response message of passage to, generates the pre-established response message of passage that contains MS NAI information.MS NAI information can be shown in the table 1 among the embodiment one.
Step 403, Target ASN-GW stop timer after receiving the pre-established response message of passage, to the pre-established correct response message of Anchor ASN-GW backward channel, as being Path_Prereg_Ack message, confirm the pre-established success of data channel.
In this step, Anchor ASN-GW stops timer after receiving the pre-established correct response message of passage, and the pre-established process of data channel is finished.
Step 305, Target ASN-GW obtain the MS NAI information in the pre-established response message of passage, obtain travelling carriage home domain information wherein, home domain information and the current field information according to travelling carriage are carried out switching controls, for example control of bandwidth or type of service aspect etc., if find to satisfy the professional qualification (for example bandwidth requirement) of travelling carriage, then can refuse this travelling carriage and switch to this Target ASN-GW.
If step 306 Target ASN-GW allows travelling carriage to switch to this Target ASN-GW, and the Target BS of Target ASN also allows to switch, then Target BS replys successful switching response message to the Serving of Serving ASN BS, as being HO_Rsp message.
The Serving BS of step 307, Serving ASN is at timer expiry or after receiving the switching response message that all candidate BS return, situation according to switching response message, filter out suitable candidate BS tabulation, send switching response message to travelling carriage, as being MOB_BSHO_RSP message, the indication travelling carriage can switch to suitable adjacent area BS.
The Serving BS of step 308, Serving ASN receives after the described switching response message to send to TargetBS and switches correct response message, as can being HO_Ack message, and stops timer.
Need to prove, Serving BS initiates to obtain authorization key (AK to Authenticator ASN in the present embodiment, Authorization Key) context procedures is optional, the preparatory stage that the switching of preparing is arranged at present embodiment, can not initiate this process, but initiate this process again to the execution phase.
Can find, Anchor ASN-GW can obtain MS NAI information by the pre-established response message of passage in the present embodiment, thereby obtain travelling carriage home domain information wherein, home domain information and the current field information according to travelling carriage are carried out switching controls, for example control of bandwidth or type of service aspect etc., if find to satisfy the professional qualification (for example bandwidth requirement) of travelling carriage, then can refuse this travelling carriage and switch to this Target ASN-GW, if satisfy, then allow to switch to this Target ASN-GW, and continue follow-up flow process.
Seeing also Fig. 5, is the embodiment of the invention four switching handling method flow charts.This embodiment is at there being the preparatory stage of prepare switching, and Target BS obtains the AK context, and Target ASN-GW receives the situation of carrying out switching controls behind the pre-established response message of passage of the MS NAI information of carrying that AnchorASN-GW sends.
As shown in Figure 5, comprising:
Step 501, travelling carriage send handoff request message to the serving BS Serving BS of service access service network Serving ASN, and as being MOB_MSHO_REQ message, request is switched.
The information of carrying one or more candidate target base station Target BS in the described handoff request message.
The Serving BS of step 502, Serving ASN, after receiving described handoff request message, obtain candidate Target BS information, load capacity according to candidate BS, candidate BS is filtered, send handoff request message (for example HO_REQ message) to each the Target BS that filters out, wherein carry authentication sign (Authenticator ID) and anchor gateway identification (Anchor GWID, Anchor Gate Way ID), start timer simultaneously and wait for switching response message, for example HO_Rsp message.
Be that example is described with Target BS 1 that to filter out two Target BS be Target ASN 1 and the Target BS 2 of Target ASN 2 in the present embodiment, so Serving BS send the handoff request message to Target BS 1 and Target BS 2.
If step 503 Target BS 1 allows to switch, then Target BS 1 can initiate to obtain the AK context procedures to Authenticator ASN according to the Authenticator ID that carries in the handoff request message, obtain the AK context of Target BS1, TargetASN1-GW is at this process relay transmission AK context.
If step 504 Target BS2 allows to switch, then Target BS2 can initiate to obtain the AK context procedures to Authenticator ASN according to the Authenticator ID that carries in the handoff request message, obtain the AK context of Target BS2, TargetASN2-GW is at this process relay transmission AK context.
If step 505 Target BS1 allows to switch, then can initiate the pre-established process of data channel to Anchor ASN1-GW, and receive the pre-established response message of passage of the MS NAI information of returning of carrying according to the Anchor-GWID that carries in the handoff request message.
If step 506 Target BS2 allows to switch, then can initiate the pre-established process of data channel to Anchor ASN2-GW, and receive the pre-established response message of passage of the MS NAI information of returning of carrying according to the Anchor-GWID that carries in the handoff request message.
The pre-established process of data channel is carried out between the Target of the Anchor of Anchor ASN ASN-GW and TargetASN ASN-GW usually, and idiographic flow sees also the description of Fig. 4 of front embodiment.
Step 507, Target ASN1-GW obtain the MS NAI information in the pre-established response message of passage, obtain travelling carriage home domain information wherein, home domain information and the current field information according to travelling carriage are carried out switching controls, for example control of bandwidth or type of service aspect etc., if find to satisfy the professional qualification (for example bandwidth requirement) of travelling carriage, then can refuse this travelling carriage and switch to this Target ASN-GW.
Step 508, Target ASN2-GW obtain the MS NAI information in the pre-established response message of passage, obtain travelling carriage home domain information wherein, home domain information and the current field information according to travelling carriage are carried out switching controls, for example control of bandwidth or type of service aspect etc., if find to satisfy the professional qualification (for example bandwidth requirement) of travelling carriage, then can refuse this travelling carriage and switch to this Target ASN-GW.
If step 509 Target ASN1-GW allows travelling carriage to switch to this Target ASN-GW, and Target BS1 also allows to switch, then Target BS1 preserves the relevant information that the user is switched, reply successful switching response message to the Serving of Serving ASN BS, as being HO_Rsp message.
If step 510 Target ASN2-GW allows travelling carriage to switch to this Target ASN-GW, and Target BS 2 also allows to switch, then Target BS2 preserves the relevant information that the user is switched, reply successful switching response message to the Serving of Serving ASN BS, as being HO_Rsp message.
The Serving BS of step 511, Serving ASN is at timer expiry or after receiving the switching response message that all candidate BS return, situation according to switching response message, filter out suitable candidate BS tabulation, send switching response message to travelling carriage, as being MOB_BSHO_RSP message, the indication travelling carriage can switch to suitable adjacent area BS.
The Serving BS of step 512, ServingASN receives after the switching response message that Target BS1 and Target BS2 return to send to Target BS1 and Target BS2 and switches correct response message, as can being HO_Ack message, and stops timer.
Need to prove, Serving BS initiates to obtain authorization key (AK to Authenticator ASN in the present embodiment, Authorization Key) context procedures is optional, the preparatory stage that the switching of preparing is arranged at present embodiment, can not initiate this process, but initiate this process again to the execution phase.
Can find, Anchor ASN-GW can obtain MS NAI information by the pre-established response message of passage in the present embodiment, thereby obtain travelling carriage home domain information wherein, home domain information and the current field information according to travelling carriage are carried out switching controls, for example control of bandwidth or type of service aspect etc., if find to satisfy the professional qualification (for example bandwidth requirement) of travelling carriage, then can refuse this travelling carriage and switch to this Target ASN-GW, if satisfy, then allow to switch to this Target ASN-GW, and continue follow-up flow process.
What the foregoing description three and embodiment four described is to have in the preparatory stage of preparing to switch, and carries out the situation of switching controls behind the pre-established response message of passage of the MS NAI information of carrying that TargetASN-GW reception Anchor ASN-GW sends.In like manner, arranged the execution phase of prepare switching, Target ASN-GW carries out switching controls after also can receiving the channel registration response message that carries MS NAI information that Anchor ASN-GW sends, and specifically sees also the introduction of embodiment five.
Below introduce embodiment five:
If have in the preparatory stage of preparing to switch, TargetASN-GW does not obtain MS NAI information, having in the execution phase of preparing to switch so, travelling carriage sends distance measurement request message to the Target of Target ASN BS, for example RNG-REQ (Ranging request) message is carried serving BS broadcasts sign (Serving BSID) in the distance measurement request message.After Target BS receives distance measurement request message, initiate the data channel registration process to the Anchor of Anchor ASN ASN-GW, promptly send the data channel login request message, for example be Path_Reg_Rsp message, and start timer wait Anchor ASN-GW backward channel registration reply message, for example be Path_Reg_Rsp message.After Anchor ASN-GW receives the data channel login request message, obtain the MS NAI information of storage and add in the channel registration response message, generate and contain the channel registration response message of MS NAI information, and send to Target ASN-GW.Target ASN-GW just can obtain the MS NAI information in the channel registration response message so, obtain travelling carriage home domain information wherein, home domain information and the current field information according to travelling carriage are carried out switching controls, for example control of bandwidth or type of service aspect etc., if find to satisfy the professional qualification (for example bandwidth requirement) of travelling carriage, then can refuse this travelling carriage and switch to this Target ASN-GW.
Can find that Anchor ASN-GW can obtain MS NAI information by the channel registration response message in the present embodiment, thereby obtain travelling carriage home domain information wherein, carry out switching controls according to home domain information and the current field information of travelling carriage.
Foregoing description be at the preparation switching mode is arranged, below providing does not have the switching handling method of preparing under the switching mode.
Seeing also Fig. 6, is the embodiment of the invention six switching handling method flow charts.This embodiment carries out the situation of switching controls at not having in the switching of preparation behind the pre-established response message of passage of the MS NAI information of carrying that Target ASN-GW reception Anchor ASN-GW sends.
As shown in Figure 6, comprising:
Step 601, travelling carriage send distance measurement request message to the Target of Target ASN BS, for example are RNG-REQ (Ranging request) message, initiate not have and prepare to switch, and carry serving BS broadcasts sign (Serving BSID) in the message.
After the Target BS of step 602, Target ASN receives distance measurement request message, sending context request message according to ServingBSID to the Serving of Serving ASN BS, for example is ContextRequest message.
The Serving BS of step 603, Serving ASN returns context report message to the Target of Target ASN BS, for example is Context Report message, and context comprises and comprises Authenticator ID and Anchor GWID in the message.
The Target BS of step 604, Target ASN initiates to obtain the AK context procedures according to the Authenticator ID that carries in the handoff request message to Authenticator ASN, obtain the AK context of Target BS, Target ASN1-GW is at this process relay transmission AK context.
The Target BS of step 605, Target ASN initiates the data channel registration process to the Anchor of Anchor ASN ASN-GW.
The data channel registration process comprises:
1) Target ASN-GW as being Path_reg_Req message, initiates the data channel registration process to Anchor ASN-GW sendaisle login request message, and starts timer wait AnchorASN-GW backward channel registration reply message;
2) Anchor ASN-GW is to Target ASN-GW sendaisle registration reply message, as being Path_reg_Rsp message, increased the home domain information that MS NAI information is used to indicate travelling carriage in the channel registration response message, Anchor ASN-GW starts timer and waits for that Target ASN-GW backward channel registers correct response message simultaneously.
In this step, AnchorASN-GW adds it in channel registration response message to after obtaining the MS NAI information of storage, generates the channel registration response message that contains MS NAI information.MS NAI information can be shown in the table 1 among the embodiment one.
3) Target ASN-GW stops timer after receiving the channel registration response message, registers correct response message to the AnchorASN-GW backward channel, as being Path_reg_Ack message, confirms that data channel succeeds in registration.
AnchorASN-GW stops timer after receiving the correct response message of channel registration, and the data channel registration process is finished.
Step 606, Target ASN-GW obtain the MS NAI information in the channel registration response message, obtain travelling carriage home domain information wherein, home domain information and the current field information according to travelling carriage are carried out switching controls, for example control of bandwidth or type of service aspect etc., if find to satisfy the professional qualification (for example bandwidth requirement) of travelling carriage, then can refuse this travelling carriage and switch to this Target ASN-GW.
The Target BS of step 607, Target ASN sends ranging response message to MSS, for example is RNG-RSP (Ranging Response) message.
After step 608, travelling carriage are finished network re-entry, the Target BS of TargetASN sends the key counter updating message of the message authentication code be used to encrypt, for example CMAC KEYCOUNT (Cipher-based Message Authentication Code KEY COUNT) message to AuthenticatorASN.
After step 609, data channel registration are finished, the Anchor ASN-GW of Anchor ASN initiates data channel to the Serving of Serving ASN BS and goes registration process, simultaneously, Anchor ASN-GW initiates data channel to the Target BS of not selected but pre-established data channel and goes registration process.
Can find, Anchor ASN-GW can obtain MS NAI information by the channel registration response message in the present embodiment, thereby obtain travelling carriage home domain information wherein, home domain information and the current field information according to travelling carriage are carried out switching controls, for example control of bandwidth or type of service aspect etc., if find to satisfy the professional qualification (for example bandwidth requirement) of travelling carriage, then can refuse this travelling carriage and switch to this Target ASN-GW, if satisfy, then allow to switch to this Target ASN-GW, and continue follow-up flow process.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct relevant hardware to finish by program, described program can be stored in a kind of computer-readable recording medium, this program is when carrying out, comprise the steps: to receive the message that the anchor access service network gateway sends, carry the travelling carriage network access identifier information that contains travelling carriage home domain information in the described message; Obtain the travelling carriage home domain information in the described travelling carriage network access identifier information; Domain information and described travelling carriage home domain information according to the current field are carried out switching controls to travelling carriage.Perhaps, this program may further comprise the steps: the anchor access service network gateway obtains travelling carriage network access identifier information, contains travelling carriage home domain information in the described travelling carriage network access identifier information; Generation contains the message of described travelling carriage network access identifier information.
The above-mentioned storage medium of mentioning can be a read-only memory, disk or CD etc.
Foregoing describes embodiment of the invention message generation method and switching handling method in detail, below introduces network equipment and the network system that the embodiment of the invention provides in detail.
Seeing also Fig. 7, is the structural representation of embodiment of the invention target access service network gateway.
As shown in Figure 7, the target access service network gateway comprises: receiving element 701, information acquisition unit 702, control unit 703.
Receiving element 701 is used to receive the message of carrying travelling carriage network access identifier information that the anchor access service network gateway sends, and comprises travelling carriage home domain information in the described travelling carriage network access identifier information.
Wherein, the message that described receiving element 701 receives is the preparatory stage of preparing under the switching mode having, the pre-established response message of passage of the travelling carriage network access identifier information of carrying that is sent by the anchor access service network gateway; Perhaps,
The message that described receiving element 701 receives is the execution phase of preparing under the switching mode having, by the channel registration response message that carries travelling carriage network access identifier information of anchor access service network gateway transmission; Perhaps,
The message that described receiving element 701 receives is not having under the switching mode of preparation, by the channel registration response message that carries travelling carriage network access identifier information of anchor access service network gateway transmission.
Seeing also Fig. 8, is the structural representation of embodiment of the invention anchor access service network gateway.
As shown in Figure 8, the anchor access service network gateway comprises: acquiring unit 801, generation unit 802.
Acquiring unit 801 is used to obtain travelling carriage network access identifier information, contains travelling carriage home domain information in the described travelling carriage network access identifier information.
Described generation unit 802 is the preparatory stages of preparing under the switching mode having, described travelling carriage network access identifier information setting in the field of the pre-established response message of passage, is generated and carries the pre-established response message of passage of described travelling carriage network access identifier information; Perhaps,
Described generation unit 802 is the execution phases of preparing under the switching mode having, described travelling carriage network access identifier information setting in the field of channel registration response message, is generated and carries the channel registration response message of described travelling carriage network access identifier information; Perhaps,
Described generation unit 802 is the execution phase under the preparation switching mode to be arranged or do not having under the switching mode of preparation, described travelling carriage network access identifier information setting in the field of channel registration response message, is generated and carries the channel registration response message of described travelling carriage network access identifier information.
Seeing also Fig. 9, is embodiment of the invention network architecture schematic diagram.
As shown in Figure 9, network system comprises: anchor access service network gateway 901, target access service network gateway 902.
Anchor access service network gateway 901 is used to carry the message of travelling carriage network access identifier information, comprises travelling carriage home domain information in the described travelling carriage network access identifier information.
Target access service network gateway 902, be used to receive the message that described anchor access service network gateway 901 sends, obtain the travelling carriage home domain information in the described travelling carriage network access identifier information, travelling carriage is carried out switching controls according to the domain information and the described travelling carriage home domain information of the current field.
The message that described anchor access service network gateway 901 sends is specially: the preparatory stage of preparing under the switching mode, the pre-established response message of passage of the travelling carriage network access identifier information of carrying of transmission are being arranged; Perhaps, the execution phase of preparing under the switching mode, the channel registration response message that carries travelling carriage network access identifier information of transmission are being arranged; Perhaps, there be not under the switching mode of preparation the channel registration response message that carries travelling carriage network access identifier information of transmission.
The concrete structure of described anchor access service network gateway 901 as shown in Figure 8, the concrete structure of target access service network gateway 902 is introduced as shown in Figure 7 herein no longer in detail.
In sum, because the embodiment of the invention is by receiving the message that contains travelling carriage network access identifier information that the anchor access service network gateway sends, and contain travelling carriage home domain information in the travelling carriage network access identifier information, therefore, the issuable failure phenomenon of obtaining when having avoided obtaining travelling carriage home domain information by authentication mechanism makes the travelling carriage switching controls reliable more and convenient.
Be after obtaining travelling carriage network access identifier information by the anchor access service network gateway in the invention process, the message of described travelling carriage network access identifier information is carried in generation, and contain travelling carriage home domain information in the described travelling carriage network access identifier information, therefore the message of anchor access service network gateway generation just can be indicated travelling carriage home domain information, no longer needs by authentication mechanism indication travelling carriage home domain information.
Further, can the preparatory stage of preparing under the switching mode in the embodiment of the invention having, receive the pre-established response message of passage that the anchor access service network gateway sends, perhaps, receive the channel registration response message that the anchor access service network gateway sends in that the execution phase of preparing under the switching mode is arranged; Perhaps, receive the channel registration response message that the anchor access service network gateway sends, therefore use more flexible not having under the switching mode of preparation.
More than a kind of switching handling method provided by the present invention, message generation method and network equipment and network system are described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (12)
1. a switching handling method is characterized in that, comprising:
Receive the message of carrying travelling carriage network access identifier information that the anchor access service network gateway sends, comprise travelling carriage home domain information in the described travelling carriage network access identifier information;
Obtain the travelling carriage home domain information in the described travelling carriage network access identifier information;
Domain information and described travelling carriage home domain information according to the current field are carried out switching controls to travelling carriage.
2. according to the switching handling method in the claim 1, it is characterized in that:
The message of carrying travelling carriage network access identifier information that described reception anchor access service network gateway sends is specially:
The preparatory stage of preparing under the switching mode is being arranged, receiving the pre-established response message of passage of the travelling carriage network access identifier information of carrying of anchor access service network gateway transmission; Perhaps,
In that the execution phase of preparing under the switching mode is arranged, receive the channel registration response message that carries travelling carriage network access identifier information that the anchor access service network gateway sends; Perhaps,
Not having under the switching mode of preparation, receive the channel registration response message that carries travelling carriage network access identifier information that the anchor access service network gateway sends.
3. switching handling method according to claim 1 and 2 is characterized in that:
Described domain information and described travelling carriage home domain information according to the current field is carried out switching controls to travelling carriage and is specially:
According to the domain information and the described travelling carriage home domain information of the current field, determine whether the current field satisfies the professional qualification that travelling carriage switches, if not, then refuse the switching of travelling carriage.
4. a message generation method is characterized in that, comprising:
The anchor access service network gateway obtains travelling carriage network access identifier information, contains travelling carriage home domain information in the described travelling carriage network access identifier information;
The message of described travelling carriage network access identifier information is carried in generation.
5. message generation method according to claim 4 is characterized in that:
The message that described travelling carriage network access identifier information is carried in described generation is specially:
The preparatory stage of preparing under the switching mode is being arranged, described travelling carriage network access identifier information setting in the field of the pre-established response message of passage, is generated and carries the pre-established response message of passage of described travelling carriage network access identifier information; Perhaps,
The execution phase of preparing under the switching mode is being arranged, described travelling carriage network access identifier information setting in the field of channel registration response message, is generated and carries the channel registration response message of described travelling carriage network access identifier information; Perhaps,
Do not having under the switching mode of preparation, described travelling carriage network access identifier information setting in the field of channel registration response message, is generated and carries the channel registration response message of described travelling carriage network access identifier information.
6. a network equipment is characterized in that, comprising:
Receiving element is used to receive the message of carrying travelling carriage network access identifier information that the anchor access service network gateway sends, and comprises travelling carriage home domain information in the described travelling carriage network access identifier information;
Information acquisition unit is used for obtaining travelling carriage home domain information the described travelling carriage network access identifier information from the message that described receiving element receives;
Control unit is used for according to the travelling carriage home domain information that the domain information and the described information acquisition unit of the current field are obtained travelling carriage being carried out switching controls.
7. network equipment according to claim 6 is characterized in that:
The message that described receiving element receives is the preparatory stage of preparing under the switching mode having, the pre-established response message of passage of the travelling carriage network access identifier information of carrying that is sent by the anchor access service network gateway;
Or in that the execution phase of preparing under the switching mode is being arranged, by the channel registration response message that carries travelling carriage network access identifier information of anchor access service network gateway transmission;
Or not having under the switching mode of preparation, by the channel registration response message that carries travelling carriage network access identifier information of anchor access service network gateway transmission.
8. according to claim 6 or 7 described network equipments, it is characterized in that:
Described network equipment is the target access service network gateway.
9. an anchor access service network gateway is characterized in that, comprising:
Acquiring unit is used to obtain travelling carriage network access identifier information, contains travelling carriage home domain information in the described travelling carriage network access identifier information;
Generation unit is used for the travelling carriage network access identifier information obtained according to described acquiring unit, generates the message of carrying described travelling carriage network access identifier information.
10. anchor access service network gateway according to claim 9 is characterized in that:
Described generation unit is the preparatory stage of preparing under the switching mode having, described travelling carriage network access identifier information setting in the field of the pre-established response message of passage, is generated and carries the pre-established response message of passage of described travelling carriage network access identifier information;
Or the execution phase of preparing under the switching mode is being arranged, described travelling carriage network access identifier information setting in the field of channel registration response message, is generated and carries the channel registration response message of described travelling carriage network access identifier information;
Or do not having under the switching mode of preparation, described travelling carriage network access identifier information setting in the field of channel registration response message, is generated and carries the channel registration response message of described travelling carriage network access identifier information.
11. a network system is characterized in that, comprising:
The anchor access service network gateway is used to send the message of carrying travelling carriage network access identifier information, comprises travelling carriage home domain information in the described travelling carriage network access identifier information;
The target access service network gateway, be used to receive the message that described anchor access service network gateway sends, obtain the travelling carriage home domain information in the described travelling carriage network access identifier information, travelling carriage is carried out switching controls according to the domain information and the described travelling carriage home domain information of the current field.
12. network system according to claim 11 is characterized in that:
The message of carrying travelling carriage network access identifier information that described anchor access service network gateway sends is specially:
The preparatory stage of preparing under the switching mode, the pre-established response message of passage of the travelling carriage network access identifier information of carrying of transmission are being arranged; Perhaps,
The execution phase of preparing under the switching mode, the channel registration response message that carries travelling carriage network access identifier information of transmission are being arranged; Perhaps,
There is not under the switching mode of preparation the channel registration response message that carries travelling carriage network access identifier information of transmission.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101458327A CN101350755B (en) | 2008-08-06 | 2008-08-06 | Method for processing switch, method for generating message and network side equipment as well as network system |
| PCT/CN2009/072267 WO2010015164A1 (en) | 2008-08-06 | 2009-06-15 | Handover processing method, network-side device and network system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2008101458327A CN101350755B (en) | 2008-08-06 | 2008-08-06 | Method for processing switch, method for generating message and network side equipment as well as network system |
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| CN101350755A CN101350755A (en) | 2009-01-21 |
| CN101350755B true CN101350755B (en) | 2010-12-08 |
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| CN2008101458327A Expired - Fee Related CN101350755B (en) | 2008-08-06 | 2008-08-06 | Method for processing switch, method for generating message and network side equipment as well as network system |
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| WO (1) | WO2010015164A1 (en) |
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| CN101350755B (en) * | 2008-08-06 | 2010-12-08 | 华为技术有限公司 | Method for processing switch, method for generating message and network side equipment as well as network system |
| CN102025606B (en) * | 2009-09-23 | 2012-12-19 | 中兴通讯股份有限公司 | Data transmission method and system |
| CN102076032B (en) * | 2009-11-23 | 2013-10-02 | 华为技术有限公司 | Method for deleting context of terminal and handover system for terminal |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1567879A (en) * | 2003-07-03 | 2005-01-19 | 华为技术有限公司 | Method for processing user terminal network selection information in WLAN |
| CN1960569A (en) * | 2005-10-31 | 2007-05-09 | 华为技术有限公司 | Method for quickening switch of terminal |
| CN1997213A (en) * | 2006-01-05 | 2007-07-11 | 华为技术有限公司 | Method for security information acquisition of the switched target base station in the wireless communication system |
| US20080109877A1 (en) * | 2006-11-07 | 2008-05-08 | Samsung Electronics Co., Ltd. | Method and system for rapid network application switching |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101350755B (en) * | 2008-08-06 | 2010-12-08 | 华为技术有限公司 | Method for processing switch, method for generating message and network side equipment as well as network system |
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- 2008-08-06 CN CN2008101458327A patent/CN101350755B/en not_active Expired - Fee Related
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1567879A (en) * | 2003-07-03 | 2005-01-19 | 华为技术有限公司 | Method for processing user terminal network selection information in WLAN |
| CN1960569A (en) * | 2005-10-31 | 2007-05-09 | 华为技术有限公司 | Method for quickening switch of terminal |
| CN1997213A (en) * | 2006-01-05 | 2007-07-11 | 华为技术有限公司 | Method for security information acquisition of the switched target base station in the wireless communication system |
| US20080109877A1 (en) * | 2006-11-07 | 2008-05-08 | Samsung Electronics Co., Ltd. | Method and system for rapid network application switching |
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| WO2010015164A1 (en) | 2010-02-11 |
| CN101350755A (en) | 2009-01-21 |
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