CN101902783A - Repositioning and resource reserving and returning method and device in repositioning process - Google Patents
Repositioning and resource reserving and returning method and device in repositioning process Download PDFInfo
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- 238000013468 resource allocation Methods 0.000 claims description 10
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Abstract
The invention discloses a resource reserving method in a repositioning process. The method comprises the following steps that: a wireless resource request message sent by a source wireless access network controller through a logic interface is received; and a target wireless access network controller allocates and reserves a wireless resource for a user terminal needing to be repositioned and notifies the source wireless access network controller of a wireless resource response message through the logic interface, wherein the wireless resource request message at least comprises identification information of a target cell needing to be repositioned of the user terminal, capability information and identification information of the user terminal and current service type information; and the wireless resource response message at least comprises wireless resource information reserved by the target wireless access network controller for the user terminal in the target cell. The invention discloses a repositioning method and a resource returning method in the repositioning process at the same time and also discloses a device implementing the method. The method and the device improve the repositioning success rate.
Description
Technical field
The present invention relates to the re-positioning technology in the mobile communication system, relate in particular to a kind of method for relocating and device, method for obligating resource in the repositioning process and device, and resource backing method and device in the repositioning process.
Background technology
In mobile communication system, user terminal is keeping professional situation upper/lower positions often to change, the Access Network wireless controller is (as the radio network controller (RNC of 3-G (Generation Three mobile communication system), Radio Network Controller), the base station controller (BSC of second generation mobile communication system, Base Station Controller)) if judgement user terminal (UE, User Equipment) signal of the cell-of-origin at place covers and dies down, and can select signal to cover better Target cell and switch.
When cell-of-origin and Target cell belong to a kind of wireless access network type, but when not belonging to same wireless access network controlled in wireless management, be referred to as reorientation in the system; If when cell-of-origin and Target cell belong to different wireless access network type, then be referred to as reorientation between system.
In the system between reorientation and system the flow process of reorientation be similar, its essential idea is to require Target cell to finish the reservation of reorientation resource by core net (CN, Core Network) earlier, notifies UE to carry out the switching of Radio Resource then.Because the resource switch of resource reservation and user terminal is that serial is carried out in time, therefore the required time sum of above-mentioned two processes is exactly the reorientation required time.
The repositioning process of UE occurs in the moving process of UE, if translational speed is very fast, the Radio Resource signal of cell-of-origin worsens rapidly, so the time of reorientation is long more, and the reorientation failed probability meeting of UE will be high more.At present the reorientation required time is longer relatively, and for the higher user terminal of translational speed, the reorientation failed probability is higher, causes the cutting off rate of mobile subscriber terminal higher.
Summary of the invention
In view of this, main purpose of the present invention is to provide resource reservation, backing method and the device in a kind of reorientation and the repositioning process, can realize resource reservation, rollback and reorientation fast.
For achieving the above object, technical scheme of the present invention is achieved in that
Method for obligating resource in a kind of repositioning process comprises:
After the radio resource request message of reception sources wireless access net controller by the transmission of the logic interfacing between source wireless access net controller and the Target Wireless access network controller, the Target Wireless access network controller distributes for the user terminal that needs reorientation and reserves Radio Resource, and by logic interfacing with Radio Resource response message notification source wireless access net controller; Described radio resource request message comprises that at least described user terminal needs the Target Cell Identifier information of reorientation, the ability information of described user terminal, identification information and current traffic type information; Described Radio Resource response message comprises that at least described Target Wireless access network controller is that described user terminal is in Target cell reserved radio resource information.
Preferably, described logic interfacing comprises IUR interface or IUR-G interface.
Preferably, described Radio Resource response message comprises that also the Target Wireless access network controller is the new logo information that described user terminal distributes.
A kind of method for relocating comprises:
Source wireless access net controller receives the Radio Resource response message that described Target Wireless access network controller sends by the logic interfacing between itself and the Target Wireless access network controller, confirm that described Target Wireless access network controller is that user terminal has been reserved resource, send reorientation to core net and require message/switchings to require message, simultaneously or afterwards switch to switching command message on the described Target cell institute assigned radio resource to described user terminal transmission; Described Radio Resource response message comprises that at least described Target Wireless access network controller is that described user terminal is in Target cell reserved radio resource information; And
After described Target Wireless access network controller received the RELOCATION REQUEST message/handoff request message of core net transmission, the resource of finishing between described Target Wireless access network controller and the described core net was set up.
Preferably, described reorientation requires message/switching to require to carry in the message new logo information that the Target Wireless access network controller is described user terminal distribution.
Preferably, the resource of finishing between described Target Wireless access network controller and the described core net is set up, and is specially:
The Target Wireless access network controller is that described user terminal institute reserved radio resource is related according to the international mobile subscriber identity of described user terminal or described new logo with the resource between described Target Wireless access network controller and the described core net and described Target Wireless access network controller, and sends re-positioning request acknowledge message/switching request acknowledgement message to described core net.
Preferably, described source wireless access net controller sends the delay that described reorientation requirement message/switching requires after the message to send switching command message to described user terminal and is not more than duration T, described duration T be described source wireless access net controller send reorientation requirement message/switchings require message to the time interval that receives the reorientation command messages that described core net returns and described source wireless access net controller to described user terminal transmission switching command message extremely described Target Wireless access network controller receive the difference in the time interval of the handoff completion message of described user terminal.
Resource backing method in a kind of repositioning process comprises:
Receive reorientation when preparing failed message, source wireless access net controller sends Radio Resource by itself and logic interfacing between the Target Wireless access network controller to described Target Wireless access network controller and cancels message; Described Radio Resource cancellation message comprises that at least described source wireless access net controller is user terminal assigned radio resource information in the cell-of-origin; And
After receiving Radio Resource cancellation message from source wireless access net controller, described Target Wireless access network controller is released to the user terminal reserved radio resource, and to order described user terminal to switch to source wireless access net controller be described user terminal assigned radio resource in the cell-of-origin.
Preferably, described Radio Resource cancellation message comprises that also described Target Wireless access network controller is that described user terminal distributes new logo.
Preferably, described logic interfacing comprises IUR interface or IUR-G interface.
Resource reservation device in a kind of repositioning process comprises:
Receiving element is used for the radio resource request message that reception sources wireless access net controller sends by the logic interfacing between source wireless access net controller and the Target Wireless access network controller; Described radio resource request message comprises that at least described user terminal needs the Target Cell Identifier information of reorientation, the ability information of described user terminal, identification information and current traffic type information;
Resource allocation unit is used for after described receiving element receives described radio resource request message, is the user terminal distribution and the reservation Radio Resource of need reorientation; And
Notification unit is used for by described logic interfacing Radio Resource response message notification source wireless access net controller; Described Radio Resource response message is included as described user terminal at least in Target cell reserved radio resource information.
Preferably, described logic interfacing comprises IUR interface or IUR-G interface.
A kind of relocation device comprises:
First receiving element is used for receiving the Radio Resource response message that described Target Wireless access network controller sends by the logic interfacing between source wireless access net controller and the Target Wireless access network controller; Described Radio Resource response message comprises that at least described Target Wireless access network controller is that described user terminal is in Target cell reserved radio resource information;
Confirmation unit is used for confirming according to described Radio Resource response message whether described Target Wireless access network controller is that user terminal has been reserved resource, triggers transmitting element when being;
Transmitting element is used for sending reorientation requirement message/switchings to core net and requires message, simultaneously or afterwards switches to switching command message on the described Target cell institute assigned radio resource to described user terminal transmission;
Second receiving element is used to receive RELOCATION REQUEST message/handoff request message that core net sends; And
Resource is set up the unit, is used for after receiving RELOCATION REQUEST message/handoff request message, and the resource of finishing between described Target Wireless access network controller and the described core net is set up.
Preferably, described reorientation requires message/switching to require to carry in the message new logo information that the Target Wireless access network controller is described user terminal distribution.
Preferably, it is that described user terminal institute reserved radio resource is related according to the international mobile subscriber identity of described user terminal or described new logo with the resource between described Target Wireless access network controller and the described core net and described Target Wireless access network controller that described resource is set up the unit, and sends re-positioning request acknowledge message/switching request acknowledgement message to described core net.
Preferably, described transmitting element sends the delay that described reorientation requirement message/switching requires after the message to send switching command message to described user terminal and is not more than duration T, described duration T be described source wireless access net controller send reorientation requirement message/switchings require message to the time interval that receives the reorientation command messages that described core net returns and described source wireless access net controller to described user terminal transmission switching command message extremely described Target Wireless access network controller receive the difference in the time interval of the handoff completion message of described user terminal.
Resource backspace mechanism in a kind of repositioning process comprises:
First receiving element is used to receive reorientation and prepares failed message;
Transmitting element, be used for after described receiving element receives described reorientation preparation failed message, sending Radio Resource cancellation message to described Target Wireless access network controller by the logic interfacing between source wireless access net controller and the Target Wireless access network controller; Described Radio Resource cancellation message comprises that at least described source wireless access net controller is user terminal assigned radio resource information in the cell-of-origin.
Second receiving element is used to receive the Radio Resource cancellation message from source wireless access net controller; Described Radio Resource cancellation message comprises that at least described source wireless access net controller is user terminal assigned radio resource information in the cell-of-origin; Described Radio Resource cancellation message comprises that also described Target Wireless access network controller is that described user terminal distributes new logo;
Releasing unit is used for after described receiving element receives described Radio Resource cancellation message, and discharging described Target Wireless access network controller is described user terminal reserved radio resource; And
Switch unit, being used for the described user terminal of order, to switch to source wireless access net controller be described user terminal assigned radio resource in the cell-of-origin.
Preferably, described logic interfacing comprises IUR interface or IUR-G interface.
The present invention is when confirming that user terminal need carry out reorientation, source wireless access net controller by the logic interfacing between itself and the Target Wireless access network controller directly to Target Wireless access network controller requests resource allocation, and after the resource that receives the distribution of Target Wireless access network controller, source wireless access net controller sends reorientation to core net again and requires message/switching to require message, and while or delay certain time length send switching command message to user terminal again.Because the request of resource allocation is directly to send the Target Wireless access network controller, therefore, the process of resource allocation will be faster; Same, the process of resource rollback is also more fast; And, reorientation requires message/switching to require message and switching command message can be set at simultaneously or certain interval of time sends, assurance source wireless access net controller receives that handoff completion message and reorientation command messages are parallel to carry out, therefore, required time of reorientation of the present invention is shorter, for the higher user terminal of translational speed, also can guarantee communication quality.
Description of drawings
Fig. 1 is the flow chart of the method for obligating resource in a kind of repositioning process of the present invention;
Fig. 2 is the flow chart of method for relocating of the present invention;
Fig. 3 is the flow chart of resource backing method in the repositioning process of the present invention;
Fig. 4 is the flow chart of the whole method for relocating embodiment one of the present invention;
Fig. 5 is the flow chart of the whole method for relocating embodiment two of the present invention
Fig. 6 is the composition structural representation of the resource reservation device in the repositioning process of the present invention;
Fig. 7 is the composition structural representation of relocation device of the present invention;
Fig. 8 is the composition structural representation of resource backspace mechanism in the repositioning process of the present invention.
Embodiment
Basic thought of the present invention is: when confirming that user terminal need carry out reorientation, source wireless access net controller by the logic interfacing between itself and the Target Wireless access network controller directly to Target Wireless access network controller requests resource allocation, and behind affirmation Target Wireless access network controller Resources allocation, source wireless access net controller sends reorientation to core net again and requires message/switching to require message, and while or delay certain time length send switching command message to user terminal again.Because the request of resource allocation is directly to send the Target Wireless access network controller, therefore, the process of resource allocation will be faster; And, reorientation requires message/switching to require message and switching command message can be set at simultaneously or certain interval of time sends, source wireless access net controller receives handoff completion message and the reorientation command messages is parallel carrying out, therefore, required time of reorientation of the present invention is shorter, for the higher user terminal of translational speed, also can guarantee communication quality.
For making the purpose, technical solutions and advantages of the present invention clearer, by the following examples and with reference to accompanying drawing, the present invention is described in more detail.
Fig. 1 is the flow chart of the method for obligating resource in a kind of repositioning process of the present invention, method for obligating resource in the repositioning process shown in Figure 1 is applicable to source wireless access net controller side, as shown in Figure 1, the method for obligating resource in the repositioning process of the present invention may further comprise the steps:
Step 101: when determining that user terminal needs reorientation, source wireless access net controller by its with the Target Wireless access network controller between logic interfacing to described Target Wireless access network controller transmission radio resource request message.
Described radio resource request message comprises Target Cell Identifier information at least, the ability information of user terminal, identification information and current traffic type information.The form of radio resource request message can be referring to table 1:
Table 1
The form of the radio resource request message shown in the table 1 is an exemplary illustration, is not to be the concrete form that limits radio resource request message.Only essential information entrained in the radio resource request message shown in the table 1.
Here, the wireless access net controller is meant RNC in the 3G communication system or the BSC in the 2G system, and the logic interfacing between source wireless access net controller and the Target Wireless access network controller is IUR interface or IUR-G interface.In the present embodiment, the core net under source wireless access net controller and the Target Wireless access network controller can be identical, also can be different.。
Step 102: after receiving radio resource request message, the Target Wireless access network controller distributes for the user terminal that needs reorientation according to the type of service of user request and user's ability information and reserves Radio Resource, and by the logic interfacing between source wireless access net controller and the Target Wireless access network controller with Radio Resource response message notification source wireless access net controller.
The Radio Resource response message comprises that at least the Target Wireless access network controller is that user terminal is in Target cell reserved radio resource information.The Radio Resource response message is the response message of radio resource request message, can also comprise the Target Wireless access network controller identification information that to be user terminal distribute at Target cell etc.The concrete form of Radio Resource response message can be joined and is shown in Table 2:
Table 2
The form of the Radio Resource response message shown in the table 2 is an exemplary illustration, is not to be the concrete form that limits the Radio Resource response message.
Here, the wireless access net controller is meant RNC in the 3G communication system or the BSC in the 2G system.Logic interfacing comprises IUR interface or UR-G interface.
It will be appreciated by those skilled in the art that independent step 102 can realize the reservation of resource, step 101 makes technical solution of the present invention clearer and be provided with.The method that step 102 disclosed is applicable to Target Wireless access network controller side.
Fig. 2 is the flow chart of method for relocating of the present invention, and as shown in Figure 2, method for relocating of the present invention may further comprise the steps:
Step 201: source wireless access net controller receives the Radio Resource response message that described Target Wireless access network controller sends by the logic interfacing between itself and the Target Wireless access network controller, confirm that described Target Wireless access network controller is that user terminal has been reserved resource, send reorientation to core net and require message/switchings to require message, simultaneously or afterwards switch to switching command message on the described Target cell institute assigned radio resource to described user terminal transmission; Described Radio Resource response message comprises that at least described Target Wireless access network controller is that described user terminal is in Target cell reserved radio resource information.The Radio Resource response message is referring to the associated description in the earlier figures 1.
Source wireless access net controller sends the delay that described reorientation requirement message/switching requires after the message to send switching command message to described user terminal and is not more than duration T, described duration T be described source wireless access net controller send reorientation requirement message/switchings require message to the time interval that receives the reorientation command messages that described core net returns and described source wireless access net controller to described user terminal transmission switching command message extremely described Target Wireless access network controller receive the difference in the time interval of the handoff completion message of described user terminal.The delay duration T that the present invention sends switching command message can set according to real system statistics and experience.
Step 202: after described Target Wireless access network controller received the RELOCATION REQUEST message/handoff request message of core net transmission, the resource of finishing between described Target Wireless access network controller and the described core net was set up.
Wherein, described reorientation requires message/switching to require to carry in the message new logo information that the Target Wireless access network controller is described user terminal distribution.The resource of finishing between described Target Wireless access network controller and the described core net is set up, be specially: the Target Wireless access network controller is that described user terminal institute reserved radio resource is related according to the international mobile subscriber identity of described user terminal or described new logo with the resource between described Target Wireless access network controller and the described core net and described Target Wireless access network controller, and sends re-positioning request acknowledge message/switching request acknowledgement message to described core net.
Here, the wireless access net controller is meant RNC in the 3G communication system or the BSC in the 2G system.Logic interfacing comprises IUR interface or UR-G interface.
Fig. 3 is the flow chart of resource backing method in the repositioning process of the present invention, and as shown in Figure 3, the resource backing method in the repositioning process of the present invention comprises:
Step 301: receive reorientation that core net sends when preparing failed message, source wireless access net controller sends Radio Resource by itself and logic interfacing between the Target Wireless access network controller to described Target Wireless access network controller and cancels message; Radio Resource cancellation message comprises that at least described source wireless access net controller is user terminal assigned radio resource information in the cell-of-origin, can also comprise UE sign and UE new logo information.The form of Radio Resource cancellation message is as shown in table 3:
Table 3
The form of the Radio Resource cancellation message shown in the table 3 is an exemplary illustration, is not to be the concrete form that limits Radio Resource cancellation message.
Here, the wireless access net controller is meant RNC in the 3G communication system or the BSC in the 2G system, and among the present invention, the core net under source wireless access net controller and the Target Wireless access network controller can be identical, also can be different.Like this, the logic interfacing between source wireless access net controller and the Target Wireless access network controller is IUR interface or IUR-G interface.
Step 302: after receiving Radio Resource cancellation message, the Target Wireless access network controller is released to described user terminal reserved radio resource.And, after definite user terminal has been finished switching, will send the order of switching back source wireless access net controller to UE, it is the UE assigned radio resource that request UE switches back source wireless access net controller.
To be that example is further illustrated technical scheme of the present invention with circuit switching (CS, the Circuit Switching) territory of universal mobile telecommunications system (UMTS, Universal Mobile Telecommunications System) below.
Fig. 4 is the flow chart of the whole method for relocating embodiment one of the present invention, as shown in Figure 4, in the present embodiment, hypothetical target wireless access net controller has received the RELOCATION REQUEST message of CN earlier in the reorientation flow process, after received the handoff completion message of eating dishes without rice or wine of UE.This example comprises the steps:
Step 401:UE has successfully set up the CS business in the sub-district 1 of source RNC, after UE moves, source RNC (RNC at 1 place, sub-district) is according to the measurement report of UE, the sub-district 2 of select target RNC (RNC at 2 places, sub-district) is a Target cell, and source RNC is that UE distributes relevant Radio Resource by the radio resource request message request target RNC of IUR interface; In message, carry the sign of Target cell 2, in addition, can also carry information such as current type of service of UE and UE sign in this message.The form of the radio resource request message of this example is as shown in table 4:
| Field name | The value explanation |
| The UE ability | Abilities such as the Radio Access Network that UE supports, type of service |
| Cell ID | The sign that Target RNC distributes for UE in sub-district 2 |
| Type of service | The type of service of request Radio Resource |
| The UE sign | Signs such as the IMSI of UE or SRNTI |
Table 4
Step 402: after Target RNC receives radio resource request message by the IUR interface, be UE distributing radio resource information in sub-district 2, and the contents such as sign that are UE distributing radio resource information and UE issued source RNC by the Radio Resource response message.The form of the Radio Resource response message of this example is as shown in table 5:
Table 5
Step 403: after source RNC receives the Radio Resource response message of Target RNC, determine the Target RNC distribution and reserved Radio Resource, initiate reorientation to CN at once and require message, and initiate to switch to the switching command message of Target cell behind the same moment or delay certain hour to UE, carrying in the message in the sub-district 2 is that UE assigned radio resource information and Target RNC are the contents such as sign that UE distributes.Here, postpone regular hour transmission switching command message, the time that is postponed is rule of thumb added up and obtains, concrete, can not initiate reorientation to CN greater than source RNC and require the absolute time in the time interval of message receives UE to the time interval and the source RNC of the reorientation command messages of receiving CN to handoff completion message from Target RNC to UE initiation switching command message poor.Also be configured to a regular time at interval according to other agreements, for example the time interval is configured to zero or other values.
After step 404:CN receives reorientation requirement message, send RELOCATION REQUEST message to Target RNC, carrying Target RNC in the step 402 in the message is the new logo that UE distributes, after Target RNC receives the RELOCATION REQUEST message of CN, the resource of finishing between Target RNC and the CN is set up, and according to Target RNC in the step 402 is the sign that UE distributes, having given the UE assigned radio resource related in the resource between the Target RNC of above-mentioned foundation and the CN and the step 402, respond the re-positioning request acknowledge message to CN; After CN receives the re-positioning request acknowledge message of Target RNC controller, send the reorientation command messages to source RNC.
Source RNC receives the reorientation command messages, execution in step 405.If source RNC does not receive the reorientation command messages within a certain period of time, or the reorientation that receives CN prepares failed message, and then execution in step 408;
Step 405: Target RNC receives to be responded reorientation to CN behind the handoff completion message of UE and finishes message.
The reorientation that step 406:CN receives Target RNC is initiated the IU release command message to source RNC after finishing message.
Step 407: source RNC receives the release of finishing the UE related resource after the IU release command message of CN, and flow process finishes.
Step 408: source RNC sends Radio Resource cancellation message by the IUR interface, comprises in the message that source RNC is a UE assigned radio resource information, can also comprise that Target RNC is the contents such as new logo that UE distributes.The form of the Radio Resource cancellation message of this example is as shown in table 6:
| Field name | The value explanation |
| The UE sign | The IMSI of UE or signs such as SRNTI, DRNTI |
| The UE new logo | The new logo that Target RNC distributes for UE in sub-district 2 |
| Radio Resource | Source RNC is the UE assigned radio resource in sub-district 1 |
Table 6
Step 409: when Target RNC receives Radio Resource cancellation message, after receiving the handoff completion message of eating dishes without rice or wine of UE, then order UE to switch back among the RNC of source, and notify UE source RNC for the UE assigned radio resource, discharge in the Target RNC whole resource informations that UE for this reason keeps then.Flow process finishes
Fig. 5 is the flow chart of the whole method for relocating embodiment two of the present invention, and as shown in Figure 5, hypothetical target wireless access net controller has received the handoff completion message of eating dishes without rice or wine of UE earlier in the reorientation flow process, after received the RELOCATION REQUEST message of CN.This example may further comprise the steps:
Step 501:UE has successfully set up the CS business in the sub-district 1 of source RNC (RNC at 1 place, sub-district), after UE moves, source RNC is according to the measurement report of UE, the sub-district 2 of select target BSC is a Target cell, and source RNC distributes the Radio Resource of being correlated with by the radio resource request message request target BSC (BSC at 2 places, sub-district) of IUR-G interface for UE; Carried the sign of Target cell 2 in message, information such as the ability of UE and type of service in addition, can also be carried the information such as sign of UE.The form of radio resource request message is as shown in table 7 in this example:
| Field name | The value explanation |
| The UE ability | Abilities such as the Radio Access Network that UE supports, type of service |
| The cell number sign | The sign of Target cell is as cellular global identity etc. |
| Type of service | The type of service of request reorientation resource |
| The UE sign | Signs such as the IMSI of UE or SRNTI |
Table 7
Step 502: target BS C is UE distributing radio resource information in sub-district 2 after receiving radio resource request message by the IUR-G interface, and by the Radio Resource response message contents such as sign of wireless resource information and UE is issued source RNC.The form of Radio Resource response message is as shown in table 8 in this example:
| Field name | The value explanation |
| The UE sign | Signs such as the IMSI of UE or SRNTI |
| The UE new logo | The new logo that target BS C distributes for UE in sub-district 2 |
| Radio Resource | Target BS C 2 is the UE assigned radio resource in the sub-district |
Table 8
Step 503: source RNC receives to initiate to switch to CN at once behind the Radio Resource response message of target BS C and requires message, switch and require message can comprise that target BS C is the new logo that UE distributes, and in the same moment or initiate to switch to the switching command message of 2G system (sub-district 2) after postponing certain hour to UE, carry in the message and be contents such as UE assigned radio resource information in the target BS C sub-district 2.
Here, postpone regular hour transmission switching command message, the time that is postponed is rule of thumb added up and obtains, concrete, can not initiate to switch that to require message to receive the absolute time in the time interval of handoff completion message of UE to target BS C to UE initiation switching command message to time interval of the reorientation order of receiving CN and source RNC poor greater than source RNC to CN.Also be configured to a regular time at interval according to other agreements, for example the time interval is configured to zero or other values.
After step 504: target BS C receives the handoff completion message of UE, wait for the handoff request message of CN; CN receives after switching that source RNC sends requires message, sends handoff request message to target BS C, carries target BS C in the message and be new logo that UE distributes or the signs such as IMSI of UE; After target BS C receives the handoff request message of CN, finish the foundation of resource between BSC and the CN, and sign according to the UE that carries in the message, having given the UE assigned radio resource related in the resource between target BS C that has just set up and the CN and the step 502, respond switching request acknowledgement message and handoff completion message to CN; After CN receives the Handover Request Acknowledge and handoff completion message of target BS C, send reorientation command messages and IU release command message to source RNC; Source RNC receives the reorientation command messages of CN, and reorientation is finished the release of resource after finishing message and IU release command message, and flow process finishes.
If source RNC does not receive the reorientation command messages of CN within a certain period of time, or the reorientation that receives CN prepares failed message, and then execution in step 505;
Step 505: source RNC sends Radio Resource cancellation message by the IUR-G interface, comprises in the message that source RNC is a UE assigned radio resource information, can also comprise that target BS C is the contents such as new logo that UE distributes.Radio Resource cancellation message format in this example is as shown in table 9:
| Field name | The value explanation |
| The UE sign | Signs such as the IMSI of UE or SRNTI |
| The UE new logo | The new logo that target BS C distributes for UE in sub-district 2 |
| Radio Resource | Source RNC is the UE assigned radio resource in sub-district 1 |
Table 9
After step 506: target BS C received Radio Resource cancellation message, then ordering UE to switch back source RNC was the UE assigned radio resource, discharged among the target BS C whole resource informations of UE reservation for this reason then.
Fig. 6 is the composition structural representation of resource reservation device in the repositioning process of the present invention, as shown in Figure 6, the resource reservation device comprises receiving element 60, resource allocation unit 61 and notification unit 62 in the repositioning process of the present invention, wherein, receiving element 60 is used for the radio resource request message that reception sources wireless access net controller sends by logic interfacing; Described radio resource request message comprises that at least described user terminal needs the Target Cell Identifier information of reorientation, the ability information of described user terminal, identification information and current traffic type information; Resource allocation unit 61 is used for after receiving element 60 receives described radio resource request message, is the user terminal distribution and the reservation Radio Resource of need reorientation; Notification unit 62 is used for by described logic interfacing Radio Resource response message notification source wireless access net controller; Described Radio Resource response message is included as described user terminal at least in Target cell reserved radio resource information.
Those skilled in the art are to be understood that, resource reservation device in the repositioning process shown in Figure 6 is for realizing that the method for obligating resource in the repositioning process shown in Figure 1 designs, and the realization function of the each processing unit in the repositioning process shown in Figure 6 in the resource reservation device can be with reference to the associated description in Fig. 1, Fig. 4, the method shown in Figure 5 and understood.In the repositioning process shown in Figure 6 in the resource reservation device function of each unit can realize by the program that runs on the processor, also can realize by concrete logical circuit.
Fig. 7 is the composition structural representation of relocation device of the present invention, as shown in Figure 7, relocation device of the present invention comprises that first receiving element 70, confirmation unit 71, transmitting element 72, second receiving element 73 and resource set up unit 74, wherein, first receiving element 70 is used for receiving the Radio Resource response message that described Target Wireless access network controller sends by the logic interfacing between source wireless access net controller and the Target Wireless access network controller; Described Radio Resource response message comprises that at least described Target Wireless access network controller is that described user terminal is in Target cell reserved radio resource information; Confirmation unit 71 is used for confirming according to described Radio Resource response message whether described Target Wireless access network controller is that user terminal has been reserved resource, triggers transmitting element 72 when being; Transmitting element 72 is used for sending reorientation requirement message/switchings to core net and requires message, simultaneously or afterwards switches to switching command message on the described Target cell institute assigned radio resource to described user terminal transmission; Second receiving element 73 is used to receive RELOCATION REQUEST message/handoff request message that core net sends; Resource is set up unit 74 and is used for after receiving RELOCATION REQUEST message/handoff request message, and the resource of finishing between described Target Wireless access network controller and the described core net is set up.
Those skilled in the art are to be understood that, relocation device shown in Figure 7 designs for realizing method for relocating shown in Figure 2, and the realization function of the each processing unit in the relocation device shown in Figure 7 can be with reference to the associated description in Fig. 2, Fig. 4, the method shown in Figure 5 and understood.The function that resets each unit in the device shown in Figure 7 can realize by the program that runs on the processor, also can realize by concrete logical circuit.
Fig. 8 is the composition structural representation of resource backspace mechanism in the repositioning process of the present invention, as shown in Figure 8, resource backspace mechanism first receiving element 80, transmitting element 81, second receiving element 82, releasing unit 83 and switch unit 84 in the repositioning process of the present invention, wherein, first receiving element 80 is used to receive reorientation preparation failed message; Transmitting element 81 is used for sending Radio Resource cancellation message by the logic interfacing between source wireless access net controller and the Target Wireless access network controller to described Target Wireless access network controller after first receiving element 80 receives described reorientation preparation failed message; Described Radio Resource cancellation message comprises that at least described source wireless access net controller is user terminal assigned radio resource information in the cell-of-origin.Described Radio Resource cancellation message comprises that also the Target Wireless access network controller is that described user terminal distributes new logo.Second receiving element 82 is used to receive the Radio Resource cancellation message from source wireless access net controller; Described Radio Resource cancellation message comprises that at least described source wireless access net controller is user terminal assigned radio resource information in the cell-of-origin; Described Radio Resource cancellation message comprises that also described Target Wireless access network controller is that described user terminal distributes new logo; Releasing unit 83 is used for after described receiving element receives described Radio Resource cancellation message, and discharging described Target Wireless access network controller is described user terminal reserved radio resource; Switch unit 84 is used for the described user terminal of order, and to switch to source wireless access net controller be described user terminal assigned radio resource in the cell-of-origin.
The realization function that it will be appreciated by those skilled in the art that the each processing unit in the resource backspace mechanism in the repositioning process shown in Figure 8 can be with reference to the associated description in resource backing method and Fig. 3 in the aforementioned repositioning process, Fig. 4 and the method shown in Figure 5 and is understood.In the repositioning process shown in Figure 8 in the resource backspace mechanism function of each unit can realize by the program that runs on the processor, also can realize by concrete logical circuit.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.
Claims (18)
1. the method for obligating resource in the repositioning process is characterized in that, comprising:
After the radio resource request message of reception sources wireless access net controller by the transmission of the logic interfacing between source wireless access net controller and the Target Wireless access network controller, the Target Wireless access network controller distributes for the user terminal that needs reorientation and reserves Radio Resource, and by logic interfacing with Radio Resource response message notification source wireless access net controller; Described radio resource request message comprises that at least described user terminal needs the Target Cell Identifier information of reorientation, the ability information of described user terminal, identification information and current traffic type information; Described Radio Resource response message comprises that at least described Target Wireless access network controller is that described user terminal is in Target cell reserved radio resource information.
2. method according to claim 1 is characterized in that, described logic interfacing comprises IUR interface or IUR-G interface.
3. method according to claim 1 is characterized in that, described Radio Resource response message comprises that also the Target Wireless access network controller is the new logo information that described user terminal distributes.
4. a method for relocating is characterized in that, comprising:
Source wireless access net controller receives the Radio Resource response message that described Target Wireless access network controller sends by the logic interfacing between itself and the Target Wireless access network controller, confirm that described Target Wireless access network controller is that user terminal has been reserved resource, send reorientation to core net and require message/switchings to require message, simultaneously or afterwards switch to switching command message on the described Target cell institute assigned radio resource to described user terminal transmission; Described Radio Resource response message comprises that at least described Target Wireless access network controller is that described user terminal is in Target cell reserved radio resource information; And
After described Target Wireless access network controller received the RELOCATION REQUEST message/handoff request message of core net transmission, the resource of finishing between described Target Wireless access network controller and the described core net was set up.
5. method according to claim 4 is characterized in that, it is the new logo information that described user terminal distributes that described reorientation requires message/switching to require to carry in the message Target Wireless access network controller.
6. method according to claim 5 is characterized in that, the resource of finishing between described Target Wireless access network controller and the described core net is set up, and is specially:
The Target Wireless access network controller is that described user terminal institute reserved radio resource is related according to the international mobile subscriber identity of described user terminal or described new logo with the resource between described Target Wireless access network controller and the described core net and described Target Wireless access network controller, and sends re-positioning request acknowledge message/switching request acknowledgement message to described core net.
7. method according to claim 4, it is characterized in that, described source wireless access net controller sends the delay that described reorientation requirement message/switching requires after the message to send switching command message to described user terminal and is not more than duration T, described duration T be described source wireless access net controller send reorientation requirement message/switchings require message to the time interval that receives the reorientation command messages that described core net returns and described source wireless access net controller to described user terminal transmission switching command message extremely described Target Wireless access network controller receive the difference in the time interval of the handoff completion message of described user terminal.
8. the resource backing method in the repositioning process is characterized in that, comprising:
Receive reorientation when preparing failed message, source wireless access net controller sends Radio Resource by itself and logic interfacing between the Target Wireless access network controller to described Target Wireless access network controller and cancels message; Described Radio Resource cancellation message comprises that at least described source wireless access net controller is user terminal assigned radio resource information in the cell-of-origin; And
After receiving Radio Resource cancellation message from source wireless access net controller, described Target Wireless access network controller is released to the user terminal reserved radio resource, and to order described user terminal to switch to source wireless access net controller be described user terminal assigned radio resource in the cell-of-origin.
9. method according to claim 8 is characterized in that, described Radio Resource cancellation message comprises that also described Target Wireless access network controller is that described user terminal distributes new logo.
10. method according to claim 9 is characterized in that, described logic interfacing comprises IUR interface or IUR-G interface.
11. the resource reservation device in the repositioning process is characterized in that, comprising:
Receiving element is used for the radio resource request message that reception sources wireless access net controller sends by the logic interfacing between source wireless access net controller and the Target Wireless access network controller; Described radio resource request message comprises that at least described user terminal needs the Target Cell Identifier information of reorientation, the ability information of described user terminal, identification information and current traffic type information;
Resource allocation unit is used for after described receiving element receives described radio resource request message, is the user terminal distribution and the reservation Radio Resource of need reorientation; And
Notification unit is used for by described logic interfacing Radio Resource response message notification source wireless access net controller; Described Radio Resource response message is included as described user terminal at least in Target cell reserved radio resource information.
12. device according to claim 11 is characterized in that, described logic interfacing comprises IUR interface or IUR-G interface.
13. a relocation device is characterized in that, comprising:
First receiving element is used for receiving the Radio Resource response message that described Target Wireless access network controller sends by the logic interfacing between source wireless access net controller and the Target Wireless access network controller; Described Radio Resource response message comprises that at least described Target Wireless access network controller is that described user terminal is in Target cell reserved radio resource information;
Confirmation unit is used for confirming according to described Radio Resource response message whether described Target Wireless access network controller is that user terminal has been reserved resource, triggers transmitting element when being;
Transmitting element is used for sending reorientation requirement message/switchings to core net and requires message, simultaneously or afterwards switches to switching command message on the described Target cell institute assigned radio resource to described user terminal transmission;
Second receiving element is used to receive RELOCATION REQUEST message/handoff request message that core net sends; And
Resource is set up the unit, is used for after receiving RELOCATION REQUEST message/handoff request message, and the resource of finishing between described Target Wireless access network controller and the described core net is set up.
14. device according to claim 13 is characterized in that, it is the new logo information that described user terminal distributes that described reorientation requires message/switching to require to carry in the message Target Wireless access network controller.
15. device according to claim 14, it is characterized in that, it is that described user terminal institute reserved radio resource is related according to the international mobile subscriber identity of described user terminal or described new logo with the resource between described Target Wireless access network controller and the described core net and described Target Wireless access network controller that described resource is set up the unit, and sends re-positioning request acknowledge message/switching request acknowledgement message to described core net.
16. device according to claim 13, it is characterized in that, described transmitting element sends the delay that described reorientation requirement message/switching requires after the message to send switching command message to described user terminal and is not more than duration T, described duration T be described source wireless access net controller send reorientation requirement message/switchings require message to the time interval that receives the reorientation command messages that described core net returns and described source wireless access net controller to described user terminal transmission switching command message extremely described Target Wireless access network controller receive the difference in the time interval of the handoff completion message of described user terminal.
17. the resource backspace mechanism in the repositioning process is characterized in that, comprising:
First receiving element is used to receive reorientation and prepares failed message;
Transmitting element, be used for after described receiving element receives described reorientation preparation failed message, sending Radio Resource cancellation message to described Target Wireless access network controller by the logic interfacing between source wireless access net controller and the Target Wireless access network controller; Described Radio Resource cancellation message comprises that at least described source wireless access net controller is user terminal assigned radio resource information in the cell-of-origin;
Second receiving element is used to receive the Radio Resource cancellation message from source wireless access net controller; Described Radio Resource cancellation message comprises that at least described source wireless access net controller is user terminal assigned radio resource information in the cell-of-origin; Described Radio Resource cancellation message comprises that also described Target Wireless access network controller is that described user terminal distributes new logo;
Releasing unit is used for after described receiving element receives described Radio Resource cancellation message, and discharging described Target Wireless access network controller is described user terminal reserved radio resource; And
Switch unit, being used for the described user terminal of order, to switch to source wireless access net controller be described user terminal assigned radio resource in the cell-of-origin.
18. device according to claim 17 is characterized in that, described logic interfacing comprises IUR interface or IUR-G interface.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910085629.XA CN101902783B (en) | 2009-05-26 | 2009-05-26 | Repositioning and resource reserving and returning method and device in repositioning process |
| PCT/CN2010/072578 WO2010135951A1 (en) | 2009-05-26 | 2010-05-10 | Relocation method, method for resource reservation and resource fallback in relocation process and devices thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN200910085629.XA CN101902783B (en) | 2009-05-26 | 2009-05-26 | Repositioning and resource reserving and returning method and device in repositioning process |
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| CN101902783A true CN101902783A (en) | 2010-12-01 |
| CN101902783B CN101902783B (en) | 2015-03-25 |
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| CN200910085629.XA Active CN101902783B (en) | 2009-05-26 | 2009-05-26 | Repositioning and resource reserving and returning method and device in repositioning process |
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| WO (1) | WO2010135951A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017166989A1 (en) * | 2016-04-01 | 2017-10-05 | 电信科学技术研究院 | Method for resource allocation in switching process, source base station and target base station |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6947399B1 (en) * | 1999-07-19 | 2005-09-20 | Nortel Networks Limited | Handoff mechanisms to support real-time delay-critical services in a next generation network |
| CN1266956C (en) * | 2003-06-10 | 2006-07-26 | 大唐移动通信设备有限公司 | Method for implementing cell update or URA update between RNCs in mobile communication system |
| CN101299879B (en) * | 2007-04-30 | 2013-08-07 | 华为技术有限公司 | Relocating method, communication system and wireless network controller |
| CN101426202B (en) * | 2007-11-02 | 2012-04-18 | 华为技术有限公司 | Method, device and system for network switching implementation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017166989A1 (en) * | 2016-04-01 | 2017-10-05 | 电信科学技术研究院 | Method for resource allocation in switching process, source base station and target base station |
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| CN101902783B (en) | 2015-03-25 |
| WO2010135951A1 (en) | 2010-12-02 |
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