CN101043739B - Method for anchoring paging controller transfer of mobile station - Google Patents
Method for anchoring paging controller transfer of mobile station Download PDFInfo
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- CN101043739B CN101043739B CN2006100783628A CN200610078362A CN101043739B CN 101043739 B CN101043739 B CN 101043739B CN 2006100783628 A CN2006100783628 A CN 2006100783628A CN 200610078362 A CN200610078362 A CN 200610078362A CN 101043739 B CN101043739 B CN 101043739B
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Abstract
The provided method for transferring the Anchor PC to MS comprises: A. the idle MS triggers the position update operation, sends the update request through current BS to the NS; according to pre-set transfer condition for Anchor PC, NS determines its necessary to transfer the Anchor PC, and obtains the MS message from original Anchor PC; and B. NS builds message for MS in the new Anchor PC, updates the Anchor PC mark message for storing in MS, and cancels original relative MS message.
Description
Technical field
The present invention relates to the wireless MAN technical field, relate in particular to a kind of method of travelling carriage being carried out anchoring paging controller transfer.
Background technology
In the mobile wide-band wire-less accessing system of IEEE 802.16e standard definition, MS can be in idle (IDLE) pattern work.Whether when MS was operated in idle pulley, this MS can move in the zone of a setting and need not to send uplink service, and meanwhile, this MS receives the downlink broadcast service message every some cycles, currently have downlink business to offer this MS with definite.In the zone of described setting, the MS that is in the IDLE pattern is when a sub-district roams into another sub-district, register the base station (BS) that need not in the sub-district of sub-district before roaming after roaming, and, when MS roams between different districts, operating process such as also need not to switch, thus the power and the interface-free resources that help saving MS.
In actual applications, adopt paging group (PG, Paging Group) to define the zone of aforesaid setting usually.Paging group is made of at least two BS, and with all BS were covered in this paging group the scope zone as described setting, thereby make MS can under idle pulley, in this zone, only carry out the regular reception of aforesaid downlink business.
As shown in Figure 1, in the paging reference model in a microwave access global intercommunication network (WiMAX), set 3 paging groups, be called PG_A, PG_B and PG_C.Paging controller in this model (PC) is a logic entity, is used to control the activity of MS under idle pulley.PC can be divided into two kinds according to function, and a kind of is Anchor PC, and each MS that is in the IDLE state is unique corresponding with an Anchor PC, to control behavior and the related procedure under this MS idle condition by this Anchor PC; Another kind is Relay PC, and a MS who is in the IDLE state has one or several Relay PC correspondence with it, is used for realization and Anchor PC and communicates.For different MS, a PC may serve as above-mentioned two types PC simultaneously respectively.Meanwhile, because in actual application, PC need initiate beep-page message according to the paging group at current MS place, therefore, also needs a location register (LR) to preserve the state information of MS, paging information and service flow relevant information.In general, the corresponding LR logic entity of PC logic entity, and these two logic entities coexist as in the same physical network element.External agent in this model (FA) is a logic entity between each network interface, is used for finishing communicating by letter and the processing of related procedure of mobile IP access network and external network.Except that the above-mentioned functions entity, the mutual operation between the paging function piece of realizing meeting in PC and the BS IEEE 802.16e standard has a paging agent (PA) entity in BS, to handle the paging function relevant with idle pulley.
With reference to model and above-mentioned explanation shown in Figure 1, after MS enters the IDLE pattern, a unique with it correspondence of Anchor PC will be arranged, even changed at MS under the situation of new BS or PG, the pairing Anchor PC of this MS still can not change, and in the prior art, the method of the Anchor PC of relevant migration MS is not provided yet, thus, in the prior art, there is following problem:
1, when MS moves to a new access service network (ASN), new ASN can require the MS Anchor PC that it is corresponding to move to this locality to manage, and prior art does not provide the method for corresponding migration Anchor PC, therefore, obviously can't satisfy this requirement;
2, move the PG at place, back or the Relay PC that BS is associated with MS, the Anchor PC corresponding with it can be set, when the original corresponding AnchorPC migration of MS was come in this Anchor PC requirement, obviously, prior art can't satisfy this requirement owing to can't realize the migration of Anchor PC;
3, new Relay PC is to the route complexity of former Anchor PC, or link unexcellent (congested, chain rupture etc.) as frequent generation, may cause follow-up paging or MS reentrant procedure time delay excessive, at this moment carry out Anchor PC migration if desired, then because prior art can't satisfy this requirement owing to can't realize the migration of Anchor PC.
If above-mentioned situation takes place or because other reasons requirement when the Anchor PC of MS is moved, prior art can't realize.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method that MS is carried out Anchor PC migration, to realize Anchor PC migration.
For achieving the above object, the invention provides a kind of method of travelling carriage being carried out anchoring paging controller transfer.
The present invention includes:
A kind of travelling carriage is carried out the method for anchoring paging controller transfer, it is characterized in that this method comprises:
After A, the mobile station MS trigger position that is in idle pulley upgraded operation, this MS initiated position updating request by its current base station BS to its network; Determine that according to predetermined Anchor PC transition condition these MS needs carry out Anchor PC migration, the new anchoring paging controller Anchor PC of this MS obtains the relevant information of this MS from the former anchoring paging controller Anchor PC of this MS;
The new Anchor PC of B, this MS keeps the relevant information of the MS of described acquisition; Described current BS sends ranging response RNG_Rsp message to described MS, and described MS is the identification information of new Anchor PC with the Anchor PC update of identification information of preserving; Former Anchor PC deletes the relevant information of this MS of reservation.
The embodiment of the invention also provides a kind of travelling carriage has been carried out the method for anchoring paging controller transfer, and this method comprises:
After A2, the mobile station MS trigger position that is in idle pulley upgrade operation, this MS initiates position updating request by its current base station BS to its network, determine that according to predetermined Anchor PC transition condition these MS needs carry out Anchor PC migration, current base station or Relay PC send the former Anchor PC of migration indication information to this MS;
The position renewal response message that B2, described former Anchor PC will carry described MS relevant information sends to the base station, and the base station sends to new Anchor PC with described MS relevant information after verifying this response message success;
After preserving the relevant information of this MS among C2, the described new Anchor PC, send response message to the base station, the Anchor PC identification information that the base station notifies described MS to upgrade its preservation, the relevant information that described former Anchor PC deletes this MS.
The embodiment of the invention also provides a kind of travelling carriage has been carried out the method for anchoring paging controller transfer, and this method comprises:
After A3, the mobile station MS trigger position that is in idle pulley upgraded operation, this MS initiated position updating request by its current base station BS to its network; Determine that according to predetermined Anchor PC transition condition these MS needs carry out Anchor PC migration, current base station or Relay PC send the former Anchor PC that the position updating request information of carrying the migration indication information arrives this MS;
B3, described former Anchor PC send to new Anchor PC with described MS relevant information, preserve described MS relevant information in new Anchor PC, and described former Anchor PC sends the position and upgrades response message to described base station;
After this response message success is verified in C3, base station, with the Anchor PC identification information of notifying described MS to upgrade its preservation, the relevant information that described former Anchor PC deletes this MS.
As seen, adopt method of the present invention to realize:
1, when MS moves to a new access service network (ASN),, the Anchor PC of MS correspondence is moved to this locality manage by new ASN requirement;
2, when MS moves the PG at place, back or the set Anchor PC corresponding with it of Relay PC that BS is associated and requires the originally corresponding Anchor PC of MS moved, can be by the migration of this requirement realization Anchor PC;
3, new Relay PC is to the route complexity of former Anchor PC, or link unexcellent (congested, chain rupture etc.) as frequent generation, may cause follow-up paging or MS reentrant procedure time delay excessive, can carry out the migration of Anchor PC by method provided by the invention, thereby avoid the generation of the problems referred to above.
The present invention does not need existing apparatus equipment is carried out any change, replacing and change on existing wireless MAN basis, does not need to add any new appliance arrangement yet and just can realize the Anchor PC of MS is moved.
Description of drawings
Fig. 1 is the paging reference model in the WiMAX network.
Fig. 2 is the Anchor PC migration flow chart of the embodiment of the invention 1.
Fig. 3 is the Anchor PC migration flow chart of the embodiment of the invention 2.
Fig. 4 is the Anchor PC migration flow chart of the embodiment of the invention 3.
Fig. 5 is the Anchor PC migration flow chart of the embodiment of the invention 4.
Fig. 6 is the Anchor PC migration flow chart of the embodiment of the invention 5.
Concrete enforcement formula
The invention provides a kind of method of in wireless MAN, MS being carried out Anchor PC migration.Below in conjunction with Fig. 1, be the transition process of example explanation Anchor PC with the WiMAX network.
Do not consider other physical network element and logic entity in the WiMAX network, paging agent 1 (PA1) among the figure belongs to paging group A (PG_A), paging agent 3 (PA3) belongs to paging group B (PG_B), paging agent 2 (PA2) had both belonged to paging group A and had also belonged to paging group B, and paging agent 4 (PA4), paging agent 5 (PA5), paging agent 6 (PA6) all belong to paging group C (PG_C).PG_A and PG_B are associated with paging controller 1 (PC_1), and PG_C is associated with paging controller 2 (PC_2).Enter the IDLE pattern in the zone of MS at PG_C, PC_2 will become the Anchor PC of unique correspondence with it, and the relevant information of MS all is stored among the LR of PC_2.For MS, PC_1 is Relay PC so.After MS moved forward into PG_A or PG_B from PG_C, if do not require Anchor PC migration, so for MS, PC_2 is its Anchor PC still, just the relevant information of MS among the LR is upgraded, and PC_1 remains Relay PC.
If this stylish access service network requires the MS Anchor PC that it is corresponding to move to that this locality is managed or PC_1 is provided with the Anchor PC corresponding with it and requires the originally corresponding Anchor PC of MS is moved when coming, Anchor PC migration will be triggered so, the flow process of Anchor PC migration will be entered subsequently.If require the Anchor PC of MS is moved to PC_1, PC_1 will become the Anchor PC of this MS after migration so, and PC_2 will no longer be the Anchor PC of this MS.
In the following embodiments, will the method for Anchor PC migration be described in further detail.
Embodiment 1:
Referring to Fig. 2, the flow process of Anchor PC migration comprises:
Step 201:
After the MS that is in the IDLE pattern initiates location update operations.This MS will send distance measurement request message (RNG_Req) to its new affiliated base station (BS), comprise in this message: position updating request information (Location Update Indication), flag information of paging controller (PCID) and authentication information (HMAC/CMAC).Wherein, PCID is the identification information of the Anchor PC of this MS, shows that this RNG_Req message is used for the position and upgrades.
Step 202:
After receiving the RNG_Req message from MS, BS has new MS to enter by PA notice RelayPC wherein.PA sends location update request message (LU Req) and gives Relay PC, comprise in this message: the flag information of this MS (MSID), the flag information (PCID) of the Anchor PC of this MS, the flag information of the affiliated base station that this MS is new (BSID) and whether have the Indication message of security information.
Step 203:
After receiving the LU Req message from PA, Relay PC can send request to obtain the relevant information of this MS for the Anchor PC (old Anchor PC) of this MS according to the PCID in the LU Req message.In the position updating request of issuing old Anchor PC (LU Req), comprise: MSID and BSID.According to the difference of processing method, may comprise also in this message that Relay PC distributes to the new paging parameters of MS: the flag information of the paging group that the MS place is new (PGID), paging cycle (Paging Cycle) and paging offset amount (Paging Offset) etc.
Step 204:
After old Anchor PC receives LU Req message, determine the current needs migration of MS corresponding A nchor PC according to predetermined Anchor PC transition condition, this old Anchor PC is according to the MSID information among the LU Req, upgrade response (LU Rsp) message by the position relevant information of this MS is returned to Relay PC, and issue Anchor PC migration indication to Relay PC.Comprise in the LU Rsp message: MSID, idle pulley keep information (Idle ModeRetain Information), MS contextual information (SFID, CID, etc.), the ID of grappling certificate server (Anchor Authenticator ID), grappling external agent's ID (Anchor SFAID), the ID of grappling PMIP (proxy-mobile IP) client (Anchor PMIP Client ID, Anchor Data Path Function ID), external agent's ID (FAID), Relay PC ID and Anchor PC migration indication information.
Step 205:
After Relay PC receives the relevant information of MS, carry out the migration of Anchor PC according to the requirement of Anchor PC migration.Relay PC sends the relevant information of this MS and the ID of purpose Anchor PC to FA.Comprise in the report message of this MS (MS Info Report): MSID, Idle Mode Retain Information, MS contextual information (SFID, CID, etc.), BSID, Anchor Authenticator ID, Anchor SFA ID, Anchor PMIPClient ID, grappling data link Function Identification (Anchor Data Path Function ID), FAID, the flag information of the ID of this Relay PC (Relay PC ID) and purpose Anchor PC (new Anchor PC ID) can also comprise paging parameters PGID, Paging Cycle, information such as Paging Offset.
Step 206:
Receive the report message of MS, FA basis new Anchor PC ID wherein, know the ID of purpose Anchor PC (new Anchor PC), and the related news of MS are issued this new Anchor PC, comprise in this message: MSID, Idle Mode Retain Information, the MS contextual information (SFID, CID, etc.), BSID, Anchor Authenticator ID, Anchor SFA ID, Anchor PMIP Client ID, grappling data link Function Identification (Anchor Data Path Function ID), FAID, Relay PC id information can also comprise paging parameters PGID, Paging Cycle, information such as Paging Offset.
Step 207:
After receiving relevant information from the MS of FA, new Anchor PC will keep this MS contextual information (SFID, CID, etc.).If Relay PC does not have assigned paging parameter information or new Anchor PC not to accept the paging parameters that Relay PC distributes, new Anchor PC will distribute new paging parameters, and gives FA these information-replies.Comprise in the MS related news responses (MS Info Rsp): MSID, PGID, Paging Offset, Paging Cycle, PCID, Anchor Authenticator information, BSID, Relay PC ID and idle pulley mandate beacon information (IDLE mode authorization indication).
Step 208:
After receiving information, if wherein IDLE modeauthorization indication sign if success represents that new Anchor PC accepts the MS of this IDLE pattern from new Anchor PC.FA will be transmitted to corresponding Relay PC to the relevant information of this MS according to the Relay PC ID in the information.If what IDLE mode authorization indication indicated is not success, then guide MS to carry out network and reentry, the information in the Anchor PC is with deleted.
Step 209:
Relay PC sends to corresponding BS according to the BSID in the information that receives with the positional information after the MS renewal.Comprise in this location update message response (LU Rsp): MSID, PCID, Anchor Authenticator and PGID, Paging Offset, information such as Paging Cycle.
Step 210:
PA is according to the LU Rsp message received, and the HMAC/CMAC information in the RNG_Req message is verified (RNG_Req message is when the step 201, and MS sends to BS's).If be proved to be successful, then the base station will respond the ranging response (RNG_Rsp) of carrying HMAC/CMAC, and described MS is after receiving the ranging response message that BS sends out, then according to the Anchor PC ID of its preservation of content update in the message.If checking is unsuccessful, the base station will guide MS to carry out network and reentry.
Step 211:
After RNG_Req is proved to be successful, BS/PA will send and upgrade acknowledge message (LU Confirm) to Relay PC, and indicating positions upgrades successfully.Comprise in this message: MSID, BSID, successful beacon information (success indication).
Step 212:
After receiving the LU Confirm message from BS/PA, Relay PC can transmit this message and give old Anchor PC.After old Anchor PC received LU Confirm message, the relevant information of MS thereon, i.e. MS contextual information were preserved in deletion.
Step 213:Relay PC sends MS INFOR REPORT ACK to new Anchor PC after receiving the LU-Confirm that BS/PA sends, new Anchor PC formally keeps the MS context, and upgrades related with it LR.
Step 214～step 215: by PC migration Indication message (PC RelocationIndication) and acknowledge message (PC Relocation Indication ACK) thereof, new AnchorPC notifies the Anchor PC of this MS of FA of this MS to upgrade now, and the update of identification information of the new Anchor PC of this MS correspondence is kept on the FA.New Anchor PC sends the Anchor Authenticator that Indication message is told MS simultaneously, and the Anchor PC information of this MS changes, and requires it to upgrade the Anchor PC sign that keeps.
By above step with regard to complete realization the transition process of Anchor PC.In this embodiment, determine the current Anchor PC transition condition that whether satisfies by old Anchor PC, in other embodiment of the present invention, also can determine the current Anchor PC transition condition that whether satisfies, the embodiment under this situation 2 is described in detail below in conjunction with Fig. 3 by BS, Relay PC.
Embodiment 2:
Referring to Fig. 3, the flow process of Anchor PC migration comprises:
Step 301:
After the MS that is in the IDLE pattern initiates location update operations, this MS will send distance measurement request message (RNG_Req) to its new affiliated base station (BS), comprise in this message: position updating request information (LU_REQ), the flag information of paging controller (PCID) and authentication information (HMAC/CMAC).This PCID is the Anchor PC ID that serves this MS, shows that this RNG_Req message is used for the position and upgrades.
Step 302:
After receiving the RNG_Req message from MS, BS has new MS to enter by PA notice RelayPC wherein.BS/PA sends location update request message (LU Req) and gives RelayPC, comprise in this message: the flag information of this MS (MSID), the flag information (PCID) of the Anchor PC of this MS, the flag information of the affiliated base station that this MS is new (BSID) and whether have the Indication message of security information.Wherein, in embodiments of the present invention, because BS can determine the current needs migration of MS corresponding A nchor PC according to predetermined Anchor PC transition condition, therefore, in this message, also comprise Anchor PC migration indication, carry out Anchor PC migration to inform the current needs of RelayPC.
Step 303:
After receiving LU Req message from BS/PA, Relay PC can determine that current needs move according to the migration of the Anchor PC in LU Req message indication, thereby, send request to obtain the relevant information of this MS for the Anchor PC (old Anchor PC) of this MS according to the PCID in this message.Obtain to comprise in the MS information (MSInfo Req) in the request of issuing old Anchor PC: MSID, BSID and migration indication information.According to the difference of processing method, can also comprise in this message that Relay PC distributes to the new paging parameters of MS: the flag information of the paging group that the MS place is new (PGID), paging cycle (Paging Cycle) and paging offset amount (Paging Offset) etc.
Wherein, in other embodiment of the present invention, Relay PC also can be used for can determining the current needs migration of MS corresponding A nchor PC according to predetermined Anchor PC transition condition, then correspondingly in the LU of step 302 Req message, then no longer carry the migration indication, directly according to its result who determines, execution in step 303 is to obtain the relevant information of MS for Relay PC.
Step 304:
After old Anchor PC receives MS Info Req message, will send to Relay PC to the relevant information of this MS according to MSID information wherein.Comprise in the response MS information (MS InfoRsp): MSID, idle pulley keep information (Idle Mode RetainInformation), MS contextual information (SFID, CID, etc.), the ID of grappling certificate server (Anchor Authenticator ID), grappling external agent's ID (Anchor SFA ID), the ID of grappling PMIP (proxy-mobile IP) client (Anchor PMIP Client ID, AnchorData Path Function ID), external agent's ID (FAID), Relay PC ID and AnchorPC migration indication information.
Step 305:
After Relay PC receives the related news of MS, carry out the migration of Anchor PC according to the requirement of Anchor PC migration.Relay PC sends the relevant information of this MS to purpose Anchor PC (new Anchor PC).Comprise in the report message of this MS (MS Info Report): MSID, Idle Mode Retain Information, MS contextual information (SFID, CID, etc.), BSID, Anchor Authenticator ID, Anchor SFA ID, Anchor PMIPClient ID, grappling data link Function Identification (Anchor Data Path Function ID), the ID (Relay PC ID) of FAID and this Relay PC, can also comprise paging parameters PGID, Paging Cycle, information such as Paging Offset.
Step 306:
New Anchor PC will keep this MS contextual information (SFID, CID, etc.).If Relay PC does not have assigned paging parameter information or new Anchor PC not to accept the paging parameters that RelayPC distributes, new Anchor PC will distribute new paging parameters, and gives Relay PC these information-replies.Comprise in the MS related news responses (MS Info Rsp): MSID, PGID, Paging Offset, Paging Cycle, PCID, Anchor Authenticator information, BSID and idle pulley mandate beacon information (IDLE mode authorizationindication).
Wherein, step 305 and 306 also can adopt among the FA and transfer specific implementation with reference to 205～208 implementation among Fig. 2.
Step 307:
Relay PC sends to corresponding BS according to the BSID in the information that receives with the positional information after the MS renewal.Comprise in this location update message response (LU Rsp): MSID, PCID, Anchor Authenticator and PGID, Paging Offset, information such as Paging Cycle.
Step 308:
BS/PA is according to the LU Rsp message received, and the HMAC/CMAC information in the RNG_Req message is verified (RNG_Req message is when the step 201, and MS sends to BS's).If be proved to be successful, then the base station will respond the ranging response (RNG_Rsp) of carrying HMAC/CMAC, and described MS is after receiving the ranging response message that BS sends out, then according to the Anchor PC ID of its preservation of content update in the message.If checking is unsuccessful, the base station will guide MS to carry out network and reentry, and the information in the Anchor PC is with deleted.
Step 309:
After RNG_Req is proved to be successful, PA will send and upgrade acknowledge message (LU Confirm) to Relay PC, and indicating positions upgrades successfully.Comprise in this message: MSID, BSID, successful beacon information (success indication).
Step 310:
After receiving the LU Confirm message from BS/PA, Relay PC can transmit this message and give new Anchor PC.After new Anchor PC receives LU Confirm message, the relevant information of the MS in the corresponding LR will be upgraded.
Step 311:
Upgraded the relevant information of this MS, new Anchor PC sends the PC migration to FA and indicates message (PC Relocate Indication), and the Anchor PC of this MS of notice FA moves; New Anchor PC sends the AnchorAuthenticator that Indication message is told MS simultaneously, and the Anchor PC information of this MS changes, and requires it to upgrade the Anchor PC sign that keeps.
Step 312:
FA learns that the Anchor PC of MS moves, and can upgrade the relevant information of new Anchor PC.Upgrading successfully, back FA can notify its relevant information in FA of new Anchor PC to upgrade success to a PC migration of new Anchor PC transmission acknowledge message (PC Relocate ACK).
Step 313:
FA can learn successfully that from PC Relocate Indication information indicating the AnchorPC of MS moves, can send MS context removal request (MS Delete Entry Request) to old Anchor PC, require among the deletion old Anchor PC the relevant information of MS therewith.
Step 314:
Old Anchor PC deletes the relevant information of the described MS that preserves on it, and returns MS Delete Entry response message to FA.
Embodiment 3:
Referring to Fig. 4, the flow process of Anchor PC migration comprises:
After the MS trigger position that is in the IDLE pattern upgrades operation, this MS will send distance measurement request message (RNG_Req) to its base station, current place (BS), comprise in this message: position updating request information (LU_REQ), the flag information of paging controller (PCID) and authentication information (HMAC/CMAC).This PCID is the Anchor PC ID that serves this MS, shows that this RNG_Req message is used for the position and upgrades.
Step 402:
After receiving the RNG_Req message from MS, BS has new MS to enter by PA notice RelayPC wherein.BS/PA sends location update request message (LU Req) and gives RelayPC, comprise in this message: the flag information of this MS (MSID), the flag information (PCID) of the Anchor PC of this MS, the flag information (BSID) of base station, the current place of this MS and whether have the Indication message of security information.Wherein, in embodiments of the present invention, BS can determine whether needs move the current corresponding A nchor PC of MS according to predetermined Anchor PC transition condition, if desired, then in this message, also comprise Anchor PC migration indication, carry the identification information (ID) of target Anchor PC.
Step 403:
After receiving the LU Req message from PA, Relay PC can send request to obtain the relevant information of this MS for the Anchor PC (old Anchor PC) of this MS according to the PCID in the LU Req message.In the position updating request of issuing old Anchor PC (LU Req), comprise: MSID and BSID.According to the difference of processing method, may comprise also in this message that Relay PC distributes to the new paging parameters of MS: the flag information of the paging group that the MS place is new (PGID), paging cycle (Paging Cycle) and paging offset amount (Paging Offset) etc.If the LU Req message that BS sends has been carried the indication of Anchor PC migration, then Relay PC also is transmitted to current Anchor PC to migration information in this message; If do not carry Anchor PC migration information in the LU Req message that BS sends, then Relay PC also can determine whether needs move the current corresponding A nchor PC of MS according to the Anchor PC transition condition that sets in advance, if desired, then in this message, also comprise Anchor PC migration indication, carry the identification information (ID) of target Anchor PC.
Step 404:
If old Anchor PC has accepted this MS is carried out the requirement of Anchor PC migration, upgrade response (LU Rsp) message by the position relevant information of this MS is returned to RelayPC, indicated in the message Anchor PC has been moved, and carried the MS information that needs migration.Comprise in the LU Rsp message: MSID, idle pulley keep information (Idle ModeRetain Information), MS contextual information (SFID, CID, etc.), the ID of grappling certificate server (Anchor Authenticator ID), grappling external agent's ID (Anchor SFAID), the ID of grappling PMIP (proxy-mobile IP) client (Anchor PMIP Client ID, Anchor Data Path Function ID), external agent's ID (FAID), Relay PC ID and Anchor PC migration indication information, the ID of target Anchor PC.
Step 405:
After Relay PC receives LU Rsp, message directly is transmitted to BS/PA.
Two embodiment are the same with the front, and according to different situations, BS/PA will verify the RNG_REQ message of receiving previously, the flow process below checking continues by the back, otherwise reply failure information to MS, guiding MS carries out network and reentries.
Step 406～407:
Because LU Rsp message has been indicated Anchor PC has been moved, so sending message (MS Info Req) to new Anchor PC, BS/PA asks the Anchor PC of MS is moved, this message can be transmitted through Relay PC.Carry the indication of Anchor PC migration in the message and need be saved in MS relevant information among the new Anchor PC, comprised the information of from the LU Rsp message of front, carrying, and BSID, information such as Relay PCID.In this process, BS and Relay PC can carry the paging parameters information of the MS of this node recommendation in message, comprise PGID, Paging Cycle, Paging Offset etc.
Step 408～409:
After new Anchor PC receives message, if accept migration request, then preserve the relevant information of MS, reply response message (MS Info Rsp) to transmitting terminal, carry migration in the message and accept indication, and the paging parameters information of distributing to MS, comprise PGID, Paging Cycle, Paging Offset etc.
Relay PC transmits this response message to BS/PA.
Step 410:
After BS/PA receives the response message of new Anchor PC, if migration is accepted, then sending RNG_Rsp message indicating positions to MS upgrades successfully, carry new AnchorPC ID and paging parameters information PGID in the message, Paging Cycle, the content of air protocol such as Paging Offset regulation.After MS receives message, with the parameter of newer its preservation of information updating.
Step 411:
After successfully sending RNG_Rsp message, BS/PA confirms (MS Info Ack) to new Anchor PC return information, tells new Anchor that PC operates successfully.
Step 412:
BS/PA replys acknowledge message (LU Confirm) to old Anchor PC simultaneously, and with notice old Anchor PC, the migration of Anchor PC completes successfully.Old Anchor PC is kept at deletion the information of this MS among the LR after receiving acknowledge message.
Step 413～step 416:
New Anchor PC is after receiving the successful affirmation message (MS Info Ack) of operation, send message (MS Info Req/PC Relocation Indication) to FA, notify the Anchor PC of this MS of FA and migration has taken place, require FA to upgrade response message, carry MSID in the message, information such as new Anchor PCID.
New Anchor PC also sends the Anchor Authenticator of Indication message notice MS, and the Anchor PC information of this MS changes, and requires it to upgrade the Anchor PC sign that keeps.
After FA and Anchor Authenticator finish renewal, return MS Info RSP/PC Relocation ACK confirmation to new Anchor PC respectively.
Between the step 403 of embodiment 3 and step 404, can further include: if LU Req message requires PC that the security information of this MS is provided, then Anchor PC will send out the Anchor Authenticator of message (MS Info Req) to this MS, to obtain safe key.Anchor Authenticator will bring Anchor PC key by response message (MS InfoRsp) after receiving request.
Embodiment 4:
Referring to Fig. 5, the flow process of Anchor PC migration comprises:
Step 501
After the MS trigger position that is in the IDLE pattern upgrades operation, this MS will send distance measurement request message (RNG_REQ) to its base station, current place (BS), comprise in this message: position updating request information (LU_REQ), the flag information of paging controller (PCID) and authentication information (HMAC/CMAC).This PCID is the Anchor PC ID that serves this MS, shows that this RNG_REQ message is used for the position and upgrades.
Step 502:
After receiving the RNG_REQ message from MS, BS has new MS to enter by PA notice RelayPC wherein.BS/PA sends location update request message (LU Req) and gives RelayPC, comprise in this message: the flag information of this MS (MSID), the flag information (PCID) of the Anchor PC of this MS, the flag information (BSID) of base station, the current place of this MS and whether have the Indication message of security information.Wherein, in embodiments of the present invention, BS can determine whether needs move the current corresponding A nchor PC of MS according to predetermined Anchor PC transition condition, if desired, then in this message, also comprise Anchor PC migration indication, carry the identification information (ID) of target Anchor PC.
Step 503:
After receiving the LU Req message from PA, Relay PC can send request to obtain the relevant information of this MS for the Anchor PC (old Anchor PC) of this MS according to the PCID in the LU Req message.In the position updating request of issuing old Anchor PC (LU Req), comprise: MSID and BSID.According to the difference of processing method, may comprise also in this message that Relay PC distributes to the new paging parameters of MS: the flag information of the paging group that the MS place is new (PGID), paging cycle (Paging Cycle) and paging offset amount (Paging Offset) etc.If the LU Req message that BS sends has been carried the indication of Anchor PC migration, then Relay PC also is transmitted to current Anchor PC to migration information in this message; If do not carry Anchor PC migration information in the LU Req message that BS sends, then Relay PC also can determine whether needs move the current corresponding A nchor PC of MS according to the Anchor PC transition condition that sets in advance, if desired, then in this message, also comprise Anchor PC migration indication, carry the identification information (ID) of target Anchor PC.
Step 504～505:
If old Anchor PC has accepted this MS is carried out the request of Anchor PC migration, send migration request by request message (MS Info Req) to new Anchor PC, and bring new Anchor PC the relevant information of this MS under IDLE MODE state.Comprise in the message: MSID, BSID, idle pulley keeps information (Idle Mode RetainInformation), MS contextual information (SFID, CID, etc.), the ID of grappling certificate server (Anchor Authenticator ID), grappling Business Stream agency's ID (Anchor SFAID), the ID of grappling PMIP (proxy-mobile IP) client (Anchor PMIP Client ID, Anchor Data Path Function ID), external agent's ID (FAID), Relay PC ID and Anchor PC migration indication information, the new Anchor PC of target ID, the paging parameters information (PGID, Paging Cycle, Paging Offset) that Relay PC recommends etc.
If New Anchor PC has accepted migration request, preserve the relevant information of MS, and to old Anchor PC answer response message (MS Info Rsp), carry MS in the message and accepted the migration indication, paging parameters information (the Anchor PCID that distributes of MS for this reason, PGID, Paging Cycle, Paging Offset) etc.
Step 506～507:
Old Anchor PC replys the position to Relay PC and upgrades response (LU Rsp) message, the request that indicating positions upgrades successfully and accepted Anchor PC is moved, also comprise in the message: the ID of MSID, grappling certificate server (Anchor Authenticator ID), AKcontext, paging parameters information (the new Anchor PCID that distributes of MS for this reason, PGID, Paging Cycle, Paging Offset) etc.
Relay PC transmitted response message is to BS/PA.
Step 508～510:
Behind the response message that BS/PA receives, at first the RNG_REQ message of receiving is previously verified according to the security information in the message, the flow process below checking continues by the back, otherwise reply failure information to MS, guiding MS carries out network and reentries.
If the position is upgraded successfully, and migration is accepted, and then sends RNG_RSP message indicating positions to MS and upgrades successfully, carries new Anchor PC ID and paging parameters information PGID in the message, Paging Cycle, the content of air protocol such as Paging Offset regulation.After MS receives message, with the parameter of newer its preservation of information updating.
After successfully sending RNG_RSP message, BS/PA replys acknowledge message (LU Confirm) to old Anchor PC, and with notice old Anchor PC, the position is upgraded and the migration of Anchor PC completes successfully.
The position is upgraded acknowledge message and can be transmitted through Relay PC.
Step 511:
Old Anchor PC will send message (MS Info Ack) notice new Anchor PC migration operation and complete successfully after receiving acknowledge message, and oneself deletes the relevant information that is kept at this MS among the LR simultaneously.
The implementation of step 512～step 515 is identical with step 413～step 416 implementation, no longer repeat specification here.
Between the step 503 of embodiment 4 and step 504, can further include: if LU Req message requires PC that the security information of this MS is provided, then Anchor PC will send out the Anchor Authenticator of message (MS Info Req) to this MS, to obtain safe key.Anchor Authenticator will bring Anchor PC key by response message (MS InfoRsp) after receiving request.
The implementation of step 512～step 515 is identical with step 413～step 416 implementation, no longer repeat specification here.
In above-mentioned 4 embodiment, Relay PC and new Anchor PC are not same entities, and when Relay PC and new Anchor PC were same entity, the method that the present invention proposes was suitable equally.Below this method is done further and specified.
Embodiment 5
Referring to Fig. 6, the flow process of Anchor PC migration comprises:
The execution in step of step 601～step 603 is identical with the execution in step of step 501～step 503, no longer repeats here.
Step 604:
Because Relay PC and new Anchor PC are same entities,, old AnchorPC directly sends to new Anchor PC (relative and old Anchor PC is Relay PC) so will carrying the LU Rsp response message of migration information.
The execution in step of step 605～step 607 is identical with the execution in step of step 507～step 509, no longer repeats here.
Step 608:
Relay PC sends the position and upgrades confirmation LU Confirm to old Anchor PC, after old Anchor PC receives this information, deletes the corresponding MS information of its preservation.
The execution in step of step 609～step 612 is identical with the execution in step of step 512～step 515, no longer repeats here.
Between the step 603 of embodiment 6 and step 604, can further include: if LU Req message requires PC that the security information of this MS is provided, then Anchor PC will send out the Anchor Authenticator of message (MS Info Req) to this MS, to obtain safe key.Anchor Authenticator will bring Anchor PC key by response message (MS InfoRsp) after receiving request.
In the flow process of above Anchor PC migration, after Anchor PC migration is finished, should notify needs to obtain the entity that MS is in the Idle state information, different according to flow process and design, these entities are not limited to above-mentioned Anchor DPF/FA and Anchor Authenticator, can also comprise Anchor SFA, PF, entities such as AAA.
In the above embodiment of the present invention, all mentioned predetermined Anchor PC transition condition, this condition is specifically as follows:
1, the new ASN at MS place requires that the Anchor PC of MS is moved to this locality and manages;
2, the own corresponding Anchor PC of the Paging Group at the place that MS is new or the Relay PC setting that BS links requires MS that Anchor PC migration is come;
3, new Relay PC is unexcellent to former Anchor PC route complexity or link, need carry out Anchor PC migration to overcome this problem.
To point out that also though the present invention is mainly used in the WiMAX network, the spirit and principles in the present invention are not limited only to the WiMAX network.And above-described embodiment only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (29)
1. one kind is carried out the method for anchoring paging controller transfer to travelling carriage, it is characterized in that this method comprises:
After A, the mobile station MS trigger position that is in idle pulley upgraded operation, this MS initiated position updating request by its current base station BS to its network; Determine that according to predetermined Anchor PC transition condition these MS needs carry out Anchor PC migration, the new anchoring paging controller AnchorPC of this MS obtains the relevant information of this MS from the former anchoring paging controller Anchor PC of this MS;
The new Anchor PC of B, this MS keeps the relevant information of the MS of described acquisition; Described current BS sends ranging response RNG_Rsp message to described MS, and described MS is the identification information of new Anchor PC with the Anchor PC update of identification information of preserving; Former Anchor PC deletes the relevant information of this MS of reservation.
2. method according to claim 1 is characterized in that step B further comprises:
The new Anchor PC update of identification information of this MS is kept on the corresponding FA of this MS; And the new Anchor PC update of identification information of this MS is kept on the grappling authenticator AnchorAuthenticator of this MS correspondence.
3. method according to claim 2 is characterized in that, in the process of described steps A and B, and being undertaken by RelayPC alternately between Current Serving BTS BS and the AnchorPC.
4. method according to claim 3 is characterized in that, in steps A, determines that by the current BS of described MS this MS need carry out Anchor PC migration, and steps A is:
Steps A 11: described MS trigger position upgrades operation, and the affiliated BS of Xiang Qixin sends distance measurement request message;
Steps A 12: described BS determines that according to predetermined described transition condition these MS needs carry out Anchor PC migration, send position updating request to described Relay PC; Wherein, in this position updating request, carry Anchor PC migration indication;
Steps A 13: described Relay PC sends the MS information request message to described former Anchor PC, and former Anchor PC returns to Relay PC with the relevant information of described MS by the MS info response message.
5. method according to claim 3 is characterized in that, in steps A, determines that by the Relay PC of the current correspondence of described MS this MS need carry out Anchor PC migration, and steps A is:
Steps A 21: described MS trigger position upgrades operation, and the affiliated BS of Xiang Qixin sends distance measurement request message;
Steps A 22: described BS sends position updating request to described Relay PC, and described Relay PC determines that according to predetermined transition condition these MS needs carry out Anchor PC migration;
Steps A 23: described Relay PC sends the MS information request message to described former Anchor PC, and former Anchor PC returns to Relay PC with the relevant information of described MS by the MS info response message.
6. according to claim 4 or 5 described methods, it is characterized in that, in step B, described new Anchor PC update of identification information with this MS is kept on the corresponding FA of this MS and the specific implementation of the relevant information of this MS on the described former Anchor PC of described deletion is:
Step B11: described Relay PC is by sending MS report information acknowledge message to described new Anchor PC, informs this new Anchor PC is current to move successfully;
Step B12: new Anchor PC is by sending PC position migration indication information to described FA, the new Anchor PC identification information of this MS sent and upgrades be kept on this FA;
Step B13: described FA sends MS context deletion request message to described former Anchor PC, after this former Anchor PC receives this message, and the relevant information of the MS that deletion is preserved thereon.
7. method according to claim 3 is characterized in that, in steps A, determines that by described former Anchor PC this MS need carry out Anchor PC migration, and steps A is:
Steps A 31: described MS trigger position upgrades operation, and the affiliated BS of Xiang Qixin sends distance measurement request message;
Steps A 32: described BS sends position updating request via described Relay PC to described former Anchor PC;
Steps A 33: described former Anchor PC determines that according to predetermined described transition condition these MS needs carry out Anchor PC migration, upgrade response message to described Relay PC home position; Wherein, upgrade the relevant information that carries Anchor PC migration indication and described MS in the response message in this position.
8. method according to claim 7 is characterized in that, in step B, the relevant information of this MS on the former Anchor PC of described deletion and the specific implementation that the new Anchor PC update of identification information of this MS is kept on the corresponding FA of this MS are:
Step B21: described Relay PC sends the position to former Anchor PC and upgrades acknowledge message, after former Anchor PC receives this message, and the relevant information of the described MS that deletion is preserved thereon;
Step B22:Relay PC sends MS report information acknowledge message to described new Anchor PC, after new Anchor PC receives this message, new Anchor PC identification information is sent and is updated on the corresponding FA of this MS by PC migration indication information.
9. method according to claim 3 is characterized in that, the relevant information that the new AnchorPC of this MS keeps the MS of described acquisition among the step B comprises:
Step B31: described Relay PC sends the MS information report message to described new Anchor PC, by this message the relevant information of described MS is sent to described new Anchor PC;
Step B32: new Anchor PC preserves the relevant information of described MS, and returns MS report information response message to described Relay PC.
10. method according to claim 9 is characterized in that, the Signalling exchange between described Relay PC and the described new Anchor PC is transmitted by FA and realized.
11. method according to claim 3 is characterized in that, the Anchor PC update of identification information of described in the step B MS go up being preserved is that the identification information of new Anchor PC comprises:
Information after described Relay PC upgrades described MS position sends to corresponding BS, this BS is by sending ranging response message to described MS, new Anchor PC identification information is sent to described MS, so that this MS upgrades according to this new Anchor PC identification information;
Described BS replys the position by Relay PC and upgrades acknowledge message and give former Anchor PC, informs that this MS position upgrades successfully, indicates Anchor PC to move successfully simultaneously.
12. according to claim 1,4,5 or 7 described methods, it is characterized in that, determine that according to predetermined Anchor PC transition condition these MS needs carry out Anchor PC migration and are described in the steps A:
Whether the new ASN that judges the MS place is configured to require that the Anchor PC of MS is moved to this locality is managed, if determine that then this MS need carry out Anchor PC migration.
13. according to claim 1,4,5 or 7 described methods, it is characterized in that, determine that according to pre-configured Anchor PC transition condition these MS needs carry out Anchor PC migration and are described in the steps A:
Whether judgement need is configured to the Anchor PC that this Relay PC is corresponding be configured to the corresponding Anchor PC of this MS with the Relay PC that the new paging group or the BS at MS place link, if determine that then this MS need carry out Anchor PC migration.
14. according to claim 1,4,5 or 7 described methods, it is characterized in that, determine that according to pre-configured Anchor PC transition condition these MS needs carry out Anchor PC migration and are described in the steps A:
Judge and move the pairing new Relay PC in back by MS complexity or link are unexcellent to former Anchor PC route, if determine that then this MS need carry out Anchor PC migration.
15., it is characterized in that this method further comprises: after described Relay PC receives position updating request, be described MS assigned paging parameter according to claim 4,5 or 7 described methods.
16. method according to claim 15 is characterized in that, the information of setting up relevant this MS in the new AnchorPC of described MS further comprises:
New Anchor PC judges whether not for MS assigned paging parameter or judges whether current paging parameters for the MS distribution is unacceptable, if then new Anchor PC is MS assigned paging parameter and sends to described Relay PC.
17. method according to claim 1 is characterized in that, among the step B, the described Anchor PC update of identification information that described MS go up is preserved is that the identification information of new Anchor PC is:
Object information is upgraded in described MS position send to MS by the current serving BS broadcasts of MS, carry the new Anchor PC identification information after the renewal in the message, described MS is the identification information of new AnchorPC with the Anchor PC update of identification information of its preservation after receiving the ranging response message that current serving BS broadcasts sends.
18. one kind is carried out the method for anchoring paging controller transfer to travelling carriage, it is characterized in that this method comprises:
After A2, the mobile station MS trigger position that is in idle pulley upgraded operation, this MS initiated position updating request by its current base station BS to its network; Determine that according to predetermined Anchor PC transition condition these MS needs carry out Anchor PC migration, current base station or Relay PC send the former Anchor PC of migration indication information to this MS;
The position renewal response message that B2, described former Anchor PC will carry described MS relevant information sends to the base station, and the base station sends to new AnchorPC with described MS relevant information after verifying this response message success;
After preserving the relevant information of this MS among C2, the described new Anchor PC, send response message to the base station, the Anchor PC identification information that the base station notifies described MS to upgrade its preservation notifies described former AnchorPC to delete the relevant information of this MS, and notifies new Anchor PC to move successfully.
19. method according to claim 18 is characterized in that, further comprises between described steps A 2 and B2:
Described former Anchor PC obtains security related information from the Anchor Authenticator of described MS.
20. method according to claim 18 is characterized in that, described step C2 further comprises:
The new Anchor PC update of identification information of this MS is kept on the corresponding FA of this MS; And the new Anchor PC update of identification information of this MS is kept on the Anchor Authenticator of this MS correspondence.
21. method according to claim 18 is characterized in that, the Anchor PC update of identification information of among the described step C2 described MS go up being preserved is the identification information of new Anchor PC, and its process comprises:
New Anchor PC sends response message to described base station, and the base station sends the position to described MS and upgrades successful information, and MS will upgrade the identification information of its Anchor PC.
22. method according to claim 18, it is characterized in that, the relevant information that former Anchor PC deletes this MS described in the described step C2, its process is: after described former Anchor PC receives and upgrades confirmation from the position of base station, the relevant information of deleting this MS.
23. method according to claim 18 is characterized in that, describedly determines that according to predetermined Anchor PC transition condition the specific implementation that these MS needs carry out Anchor PC migration is:
After described former Anchor PC receives the position updating request of described Relay PC transmission, determine that according to predetermined Anchor PC transition condition these MS needs carry out Anchor PC migration; Perhaps,
Described BS or Relay PC determine that according to predetermined transition condition these MS needs carry out Anchor PC migration after receiving described position updating request.
24. one kind is carried out the method for anchoring paging controller transfer to travelling carriage, it is characterized in that this method comprises:
After A3, the mobile station MS trigger position that is in idle pulley upgraded operation, this MS initiated position updating request by its current base station BS to its network; Determine that according to predetermined Anchor PC transition condition these MS needs carry out Anchor PC migration, current base station or Relay PC send the former Anchor PC that the position updating request information of carrying the migration indication information arrives this MS;
B3, described former Anchor PC send to new Anchor PC with described MS relevant information, preserve described MS relevant information in new Anchor PC, and described former Anchor PC sends the position and upgrades response message to described base station;
C3, base station with the AnchorPC identification information of notifying described MS to upgrade its preservation, are notified described former Anchor PC to delete the relevant information of this MS, and are notified new AnchorPC to move successfully after verifying this response message success.
25. method according to claim 24 is characterized in that, further comprises between described steps A 3 and B3:
Described former Anchor PC obtains security related information from the Anchor Authenticator of described MS.
26. method according to claim 24 is characterized in that, described step C3 further comprises:
The new Anchor PC update of identification information of this MS is kept on the corresponding FA of this MS; And the new Anchor PC update of identification information of this MS is kept on the Anchor Authenticator of this MS correspondence.
27. method according to claim 24 is characterized in that, describedly determines that according to predetermined Anchor PC transition condition the specific implementation that these MS needs carry out Anchor PC migration is:
After described former Anchor PC receives the position updating request of described Relay PC transmission, determine that according to predetermined Anchor PC transition condition these MS needs carry out Anchor PC migration; Perhaps,
Described BS or Relay PC determine that according to predetermined transition condition these MS needs carry out Anchor PC migration after receiving described position updating request.
28. method according to claim 24 is characterized in that, the specific implementation of upgrading the Anchor PC identification information that described MS preserved among the described step C3 is:
New Anchor PC sends response message to described base station, and the base station sends the position to described MS and upgrades successful information, and MS upgrades the identification information of its Anchor PC.
29. method according to claim 24, it is characterized in that, the relevant information that former Anchor PC deletes this MS described in the described step C3, its process is: after described former Anchor PC receives and upgrades confirmation from the position of base station, the relevant information of deleting this MS.
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| CN2006100783628A CN101043739B (en) | 2006-03-22 | 2006-05-15 | Method for anchoring paging controller transfer of mobile station |
| PCT/CN2007/001567 WO2007137488A1 (en) | 2006-05-15 | 2007-05-15 | A method for relocating anchor paging controller to mobile station |
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| CN200610058591 | 2006-03-22 | ||
| CN200610058591.3 | 2006-03-22 | ||
| CN2006100783628A CN101043739B (en) | 2006-03-22 | 2006-05-15 | Method for anchoring paging controller transfer of mobile station |
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| CN101827432B (en) * | 2009-03-03 | 2014-03-12 | 中兴通讯股份有限公司 | Processing method and system in idle mode |
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