CN101389131B - Method and device for notifying redirection to terminal - Google Patents
Method and device for notifying redirection to terminal Download PDFInfo
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- CN101389131B CN101389131B CN 200710153922 CN200710153922A CN101389131B CN 101389131 B CN101389131 B CN 101389131B CN 200710153922 CN200710153922 CN 200710153922 CN 200710153922 A CN200710153922 A CN 200710153922A CN 101389131 B CN101389131 B CN 101389131B
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Abstract
The invention discloses a method for prompting a terminal to redirect, comprising that the source access network triggers the object access network to send a service redirecting message; the source access network receives the service redirecting message from the object access network, and sends the message to the terminal. The invention further discloses a device implementing the method. Using the method and device disclosed by the invention, redirection between networks is completed only with the need of IWS function of object access network, and without the need of IWS function of source access network, and architecture of source access network is simplified.
Description
Technical field
The present invention relates to mobile communications network and be redirected, particularly a kind of method and apparatus of notifying redirection to terminal.
Background technology
Along with the development of mobile communication technology, various dissimilar access networks have appearred, and the redirected problem between different access networks has become the focus of Communication Studies.
A kind of method that adopts at present is to utilize interoperability solution (IWS, InterworkingSolution) carry out being redirected between access network, be after target access network is passed through the IWS function treatment to the message that mails to terminal, send to the source access network, then the terminal of eating dishes without rice or wine to send to by the source access network; Thereby realized between terminal and the target access network by the source access network eat dishes without rice or wine and source access network and target access network between interface carry out information interaction.In the prior art, except target access network need to realize the IWS function, the source access network also needed to have the function of IWS, made like this system become very complicated.
Now with HRPD (high rate packet data) (HRPD, High Rate Packet Data) Access Network (AN, Access Network) to code division multiple access (CDMA, Code Division Multiple Access) 1X base station (BS, being redirected Base Station) is example, and the defective of prior art is described.
At this moment the user can use that travelling carriage/(MS/AT accesses terminal, Mobile Station/AccessTerminal) dual-mode terminal, wherein MS is the user terminal in the CDMA 1X network, and following CDMA1X network is referred to as the 1X network, and AT is the user terminal in the HRPD network.
Fig. 1 is the schematic network structure of 1X network and HRPD network interoperability in the prior art.As shown in Figure 1, have respectively the IWS function among HRPD AN 101 and the 1X BS 103, utilize the A21 interface communication between HRPD AN and 1X BS.
In order to cooperate MS/AT to be redirected to 1X from HRPD, and the cross-paging function between two nets, 3GPP2 has defined the Circuit Service notice and has used (CSNA, Circuit Service NotificationApplication) air protocol, this agreement can be served by 3G1X (3G1X Services) message eat dishes without rice or wine the send to MS/AT of the message of 1X network by the HRPD network, namely sends 3G1X link access control tunneling data cell (Line Access ControlEncapsulated Protocol Data Unit) message by sending the 3G1X service message.Can also send to MS/AT to expense (overhead) message of preserving 1X by 3G1X parameter (3G1XParameters) message of CSNA agreement in addition, the data encapsulation form is as shown in the table:
| The territory | Length |
| Message id | 8 |
| Response request | 1 |
| Message sequence | 6 |
| The 3G1X logic channel | 1 |
| Protocol version | 8 |
| PDU length | 16 |
| PDU | PDU length * 8 |
Fig. 2 is A21 switching flow figure in the prior art, and namely based on the network architecture shown in Figure 1, MS/AT is from the HRPD network redirection to the 1X network for notice, and switches to the flow chart of 1X, as shown in Figure 2, comprising:
201:HRPD AN sends 1X parameter request (1X Parameters Request) message to 1X BS by the A21 interface, and request 1X redirection parameter is overhead parameter (1X overheadparameters) and random (RAND) value here.
202:1X BS provides 1X overhead parameter and RAND value for HRPD AN.
203:HRPD AN sends by the A21 interface and replys (ACK) message, and expression receives overhead parameter and RAND value.
Here 201 to 203 can at any time carry out, but must finish before 205.
204:MS/AT sends pilot measurement to HRPD AN, and this pilot measurement can comprise the radio environment measurements information of HRPD network or 1X network.
205: sometime, communicate by letter better with MS/AT for supporting if HRPD AN judges the wireless environment of 1X network, to MS/AT, preparation begins direct-cut operation to HRPD AN by CSNA transmission 1X overhead parameter and RAND value.
Here HRPD AN can send 1X overhead parameter and RAND value at any time to MS/AT, but must carry out before following processing.
206:MS/AT confirms to receive 1X overhead parameter and RAND value.
207: after HRPD AN determined that MS/AT has received up-to-date 1X overhead parameter, HRPDAN sent 1X service redirection (1X Service Redirection) message to MS/AT by the CSNA agreement.
After MS/AT received the 1X service redirection message, it explained that this message is that MS/AT should begin to call out activate to the indication that is redirected to the 1X system.
208:MS/AT confirms to receive the 1X service redirection message.
209:MS/AT has sent by the CSNA agreement and has exhaled (Origination) message to HRPD AN.
210:HRPD AN confirms to receive call message.
211:HRPD AN is encapsulated in call message in 1X space interface signaling (the 1X Air InterfaceSignaling) message, and sends to 1X BS by the A21 interface.
212:1X BS sends response message to HRPD AN by the A21 interface, and expression receives 1X space interface signaling message.
213:1X BS receives and processes call message, and sends connection management service request (CMService Request) message to 1X MSC.
214:MSC sends assignment request (Assignment Request) message to 1X BS.
215:1X BS creates 1X and switches directed (1X handoff direction) message, is encapsulated in the 1X space interface signaling message and by the A21 interface and sends to HRPD AN, and the control information transmission of indication in A21 message needs to confirm.
216:HRPD AN sends 1X by the CSNA agreement and switches directed message to MS/AT.HRPDAN need to represent MS/AT send to confirm, and until receives and just can send response message by the A21 interface after eating dishes without rice or wine to send acknowledge message.
217:MS/AT sends response message to HRPD AN, shows that receiving 1X switches directed message.
So far, MS/AT is from the HRPD network redirection to the 1X network.
218:HRPD AN sends response message to 1X BS by the A21 interface.
219:MS/AT transfers to the 1X wireless network, and catches the 1X Traffic Channel.
220:MS/AT sends the 1X switching and finishes (1X handoffcompletion) message to 1X BS.
221:1X BS sends assignment and finishes (Assignment Complete) message to 1X MSC.
So far, MS/AT switches to the 1X network from the HRPD network.
Above, when notification terminal is redirected, HRPD AN need to send to MS/AT by the CSNA agreement with the 1X service redirection message, 3G1X service message form according to the CSNA agreement, then need to be before carrying out the CSNA protocol processes, " 1X service redirection " message is become " link access control tunneling data cell " message, this just requires HRPD AN to possess the function of IWS, not only make system become very complicated, also with the design original intention of A21 interface, be only transparent transmission 1X message of HRPD AN, disagree.
In addition, when notification terminal is redirected to and other type network from Ultra-Mobile Broadband (UMB, Ultra Mobile Broadband), during such as HRPD network or 1X network, also there is similar problem.
Summary of the invention
Embodiments of the invention provide the method for notifying redirection to terminal, utilize the method, can be when only having target access network to have the IWS function, and notifying redirection to terminal.
Embodiments of the invention also provide the device of notifying redirection to terminal, utilize this device, can be when only having target access network to have the IWS function, and notifying redirection to terminal.
In order to achieve the above object, the technical scheme of the embodiment of the invention is achieved in that
A kind of method of notifying redirection to terminal comprises:
The source access network triggers target access network and sends service redirection message;
Described source access network receives the service redirection message from described target access network, sends this service redirection message to terminal.
A kind of device of notifying redirection to terminal comprises:
Sending module is used for triggering target access network and sends service redirection message;
Receiver module is used for receiving the service redirection message from described target access network;
Forwarding module is used for transmitting described service redirection message to terminal.
A kind of method of notifying redirection to terminal comprises:
Target access network sends service redirection message to described source access network under the triggering of source access network.
A kind of device of notifying redirection to terminal comprises:
Receiver module is used for the triggering of response source access network;
Processing module is used for generating service redirection message;
Sending module is used for sending service redirection message to described source access network.
As can be seen from the above technical solutions, utilize the method and apparatus of the notifying redirection to terminal that the embodiment of the invention provides, before the source access network need to send service redirection message to terminal, trigger first target access network and send service redirection message, namely create service redirection message by target access network, and it is carried in the space interface signaling of source access network, so only need target access network to possess the function of IWS, and the source access network need not to possess the function of IWS, like this so that the system configuration of source access network becomes simpler.
Description of drawings
Fig. 1 is the schematic network structure of 1X network and HRPD network interoperability in the prior art.
Fig. 2 is the flow chart that terminal switches to 1X in the prior art from HRPD.
Fig. 3 is the flow chart of terminal from the HRPD network redirection to the 1X network of the embodiment of the invention one.
Fig. 4 is the schematic network structure of UMB and 1X network and HRPD network interoperability.
Fig. 5 is the structural representation of the source access network device of the embodiment of the invention one.
Fig. 6 is the structural representation of the target access network device of the embodiment of the invention one.
Fig. 7 is the flow chart of terminal from the HRPD network redirection to the 1X network of the embodiment of the invention two.
Fig. 8 is the flow chart of terminal from the HRPD network redirection to the 1X network of the embodiment of the invention three.
Fig. 9 is the flow chart of terminal from the HRPD network redirection to the 1X network of the embodiment of the invention four.
Figure 10 is the flow chart of terminal from the HRPD network redirection to the 1X network of the embodiment of the invention five.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing.
According to embodiments of the invention, when the notice portable terminal is redirected, namely after the source access network judges that terminal need to be redirected to target access network, the source access network is at first to target access network request redirection parameter, after the redirection parameter of obtaining the target access network transmission, be transmitted to terminal, and when confirming that terminal is received up-to-date redirection parameter, trigger target access network and generate service redirection message, the source access network sends to terminal with this service redirection message, thereby finishes the process that the notice portable terminal is redirected.Here the source access network can be to send redirection parameter request message, handover request message etc. to target access network to target access network request redirection parameter.
The below take the source access network as the HRPD network, target access network as the 1X network as example, illustrate that the notice portable terminal is redirected after, the process of terminal from the HRPD network redirection to the 1X network.
Embodiment one:
Fig. 3 be the embodiment of the invention one be redirected to the flow chart of 1X from HRPD, as shown in Figure 3, the process that is redirected to 1X from HRPD comprises:
301:HRPD AN sends 1X redirection parameter request message to 1X BS by the A21 interface, request 1X overhead parameter and RAND value.
302:1X BS provides 1X overhead parameter and RAND value for HRPD AN.
303:HRPD AN sends response message by the A21 interface, and response receives overhead parameter and RAND.
304:MS/AT sends pilot measurement to HRPD AN, this pilot measurement can comprise the radio environment measurements information of HRPD network or 1X network, according to this pilot measurement message, if HRPD AN judges the wireless environment of 1X network and communicates by letter better with MS/AT for supporting, then can trigger target access network and send service redirection message.
305:HRPD AN sends 1X overhead parameter and RAND value to MS/AT by the CSNA agreement, prepares the beginning direct-cut operation.
Here 304 also can before 301 to 303, carry out or after 305, carry out.
306:MS/AT confirms to receive the 1X overhead parameter.
307: after HRPD AN determined that MS/AT has received up-to-date 1X overhead parameter, HRPD AN sent 1X handover request message to 1X BS by the A21 interface, and expression HRPD AN prepares the beginning direct-cut operation to the 1X network.
308: when 1X BS receives 1X handover request message by the A21 interface, 1X BS responds the 1X switching response message to HRPD AN by the A21 interface, and expression will begin the direct-cut operation from HRPD to 1X.
309: after 1X BS receives 1X handover request message by the A21 interface, 1X BS creates the 1X service redirection message, be encapsulated in the 1X space interface signaling message and by the A21 interface and send to HRPD AN, the control information transmission of indication in A21 message needs to confirm.
310:HRPD AN sends the 1X service redirection message to MS/AT by the CSNA agreement.After MS/AT received the 1X service redirection message, it explained that this message is that MS/AT should begin to call out activate to the indication that switches to the 1X system.
311:MS/AT sends 1X service redirection response message to HRPD AN.
312:HRPD AN sends response message to 1X BS.
313 to 321:MS/AT initiate the 1X call message, and utilize service redirection message to finish being redirected from the HRPD network to the 1X network, and process is with 209 to 217.
Certainly, can also further finish the switching of MS/AT from the HRPD network to the 1X network according to 218 to 221 process here.
1X BS also can utilize the method for this embodiment to be redirected to HRPD from 1X, and its difference is that redirection parameter is overhead parameter.
Figure 4 shows that the schematic network structure of UMB and 1X network and HRPD network interoperability, as shown in Figure 4, there is a U5 interface in UMB, utilize this interface UMB can with the HRPD interoperability, also there is the interface of a similar A21 in UMB, here be assumed to the A30 interface, utilize this interface UMB can with 1 X interoperability, the major function of these two interfaces comprises: transmit the auxiliary signaling of Overhead Message to method, system, signaling, interoperability that interoperability is relevant and the data in the carrying handoff procedure, UMB eats dishes without rice or wine to also have the function of similar CSNA in addition.
Therefore, one of ordinary skill in the art will appreciate that, the SRNC/eBS among the UMB also can utilize the method for this embodiment to be redirected to 1X from UMB, and its difference is that this moment, SRNC/eBS passed through A30 interface and 1X BS interactive information.
SRNC/eBS among the UMB can utilize the method for this embodiment to be redirected to HRPD from UMB, and its difference is that this moment, SRNC/eBS passed through U5 interface and HRPD AN interactive information, and redirection parameter is overhead parameter.
Those of ordinary skills are further appreciated that in different network applications, may be variant for the name of service redirection message, and content of the present invention does not limit it.
Fig. 5 is the structural representation of the source access network device of the embodiment of the invention one, and this device comprises sending module 501, receiver module 502, forwarding module 503 and processing module 504.
Receiver module 502 receives the pilot measurement parameter of terminal to send to processing module 503, processing module 504 judges whether to trigger target access network according to the pilot measurement request that receives and sends service redirection message, and after judging that triggering target access network sends service redirection message, indicate described sending module 501 to trigger target access network and send service redirection message.Sending module 501 also can be to target access network request redirection parameter, and receiver module 502 is encapsulated in eating dishes without rice or wine of source access network by forwarding module 503 with redirection parameter after receiving redirection parameter from target access network again, sends to terminal.
After receiver module 502 receives the service redirection message that is encapsulated in the space interface signaling message, by forwarding module 503 service redirection message is encapsulated in eating dishes without rice or wine of source access network, sends to terminal.
Fig. 6 is the structural representation of the target access network device of the embodiment of the invention one, and as shown in Figure 6, this device comprises receiver module 601, processing module 602 and sending module 603.
Wherein after receiver module 601 triggerings of response from the source access network, processing module 602 generates service redirection message and it is encapsulated in the space interface signaling message, sends to the source access network by sending module 603.
In addition, after receiver module 601 receives request from the redirection parameter of source access network, send redirection parameter by sending module 603 to the source access network.
Embodiment two:
Fig. 7 is the flow chart from the HRPD network redirection to the 1X network of the embodiment of the invention two, and the difference of itself and embodiment one is, in embodiment two, the source access network is event notification message to the handover request message that target access network sends.As shown in Figure 7, the process from the HRPD network redirection to the 1X network comprises:
701 to 706:HRPD AN can send 1X redirection parameter request message to 1X BS by the A21 interface, request 1X overhead parameter and RAND value, and send to MS/AT, MS/AT sends the pilot measurement parameter to HRPD AN, with 301 to 306.
707: after HRPD AN determines that MS/AT has received up-to-date 1X overhead parameter and RAND value, HRPD AN sends event notice (Event Notification) message to 1X BS by the A21 interface, carries expression HRPD AN and prepares the beginning direct-cut operation to the indication of 1X network.
Here event notification message comprises that type of message (Message Type), related ID (CorrelationID), portable terminal indicate (Mobile Identity) and event (Event).
In field of events, by defining the different different event implications of hexadecimal number representative, represent MS/AT at the 1X network as defining 00H, 01H represents MS/AT at the HRPD network, the 05H representative switches to 1X indication etc., also have some retentions in the field of events, can be defined as required different events.
708:1X BS sends response message by the A21 interface and represents to receive event notification message.
709: after 1X BS received the 1X event notification message by the A21 interface, 1X BS created the 1X service redirection message, was encapsulated in the 1X space interface signaling message and by the A21 interface and sent to HRPD AN, and the control information transmission in the indication A21 message needs to confirm.
710:HRPD AN sends the 1X service redirection message to MS/AT by the CSNA agreement.After MS/AT received the 1X service redirection message, it explained that this message is that MS/AT should begin to call out activate to the indication that switches to the 1X system.
711:MS/AT sends response message to HRPD AN.
712:HRPD AN sends response message to 1X BS.
713 to 721:MS/AT initiate the 1X call message, and utilize the redirection process of service redirection message from the HRPD network to the 1X network with 209 to 217.
Certainly, can also further finish according to 218 to 221 process the switching of terminal here.
1X BS also can utilize the method for this embodiment to be redirected to HRPD from 1X, and its difference is that redirection parameter is overhead parameter.
One of ordinary skill in the art will appreciate that, the SRNC/eBS among the UMB also can utilize the method for this embodiment to be redirected to 1X from UMB, and its difference is that this moment, SRNC/eBS passed through A30 interface and 1X BS interactive information.
SRNC/eBS among the UMB can utilize the method for this embodiment to be redirected to HRPD from UMB, and its difference is that this moment, SRNC/eBS passed through U5 interface and HRPDAN interactive information, and redirection parameter is overhead parameter.
Those of ordinary skills are further appreciated that in different network applications, may be variant for the name of service redirection message, and content of the present invention does not limit it.
Here realize that the source access network device of embodiment two and target access network device are with embodiment one.
Embodiment three:
Fig. 8 be the embodiment of the invention three be redirected to the flow chart of 1X from HRPD, here embodiment three is with the difference of embodiment one, in embodiment three, after target access network receives the handover request of source access network, send redirection parameter to the source access network; After target access network receives the redirection parameter response message of source access network, send service redirection message to the source access network.As shown in Figure 8, the process that is redirected to 1X from HRPD comprises:
801:MS/AT sends pilot measurement to HRPD AN.This pilot measurement can comprise HRPD or 1X system wireless environment measurement information.
802: sometime, when the wireless environment of HRPD AN judgement 1X network is communicated by letter better with MS/AT for supporting, HRPD AN prepares the beginning direct-cut operation, and HRPD AN sends 1X handover request message to 1X BS by the A21 interface, and expression HRPD AN prepares the beginning direct-cut operation to the 1X network.
803: when 1X BS receives 1X handover request message by the A21 interface, 1X BS responds the 1X switching response message to HRPD AN by the A21 interface, and expression will begin the direct-cut operation from HRPD to 1X.
804: after 1X BS received 1X handover request message by the A21 interface, 1X BS was encapsulated in 1X overhead parameter and RAND value in the 1X space interface signaling message and by the A21 interface and sends to HRPD AN, and the control information transmission of indication in A21 message needs to confirm.
Here, in 802 and 804, communicate by letter better with MS/AT for supporting when the wireless environment of HRPD AN judgement 1X network, HRPD AN also sends event notification message to 1XBS by the A21 interface, and indication 1X BS is to HPRD AN transmission 1X overhead parameter message and RAND value.
805:HRPD AN sends 1X overhead parameter and RAND value to MS/AT by the CSNA agreement.
806:MS/AT confirms to receive 1X overhead parameter message and RAND value.
807:HRPD AN sends response message by the A21 interface and represents that to 1X BS MS/AT receives 1X overhead parameter and RAND value.
808: when 1X BS receives response message from HRPD AN by the A21 interface, after expression MS/AT receives 1X overhead parameter and RAND value, 1X BS creates the 1X service redirection message, be encapsulated in the 1X space interface signaling message and by the A21 interface and send to HRPD AN, the control information transmission of indication in A21 message needs to confirm.
809:HRPD AN sends the 1X service redirection message to MS/AT by the CSNA agreement.After MS/AT received the 1X service redirection message, it explained that this message is that MS/AT should begin to call out activate to the indication that switches to the 1X system.
810:MS/AT sends 1X service redirection response message to HRPD AN.
After 811:HRPD AN receives 1X service redirection response message, send response message to 1X BS.
812 to 820:MS/AT initiate the 1X call message, and utilize the redirection process of service redirection message from the HRPD network to the 1X network with 209 to 217.
Certainly, can also further finish according to 218 to 221 process the switching of terminal here.
1X BS also can utilize the method for this embodiment to be redirected to HRPD from 1X, and its difference is that redirection parameter is overhead parameter.
One of ordinary skill in the art will appreciate that, the SRNC/eBS among the UMB also can utilize the method for this embodiment to be redirected 1X from UMB, and its difference is that this moment, SRNC/eBS passed through A30 interface and 1X BS interactive information.
SRNC/eBS among the UMB can utilize the method for this embodiment to be redirected to HRPD from UMB, and its difference is that this moment, SRNC/eBS passed through U5 interface and HRPDAN interactive information, and redirection parameter is overhead parameter.
Those of ordinary skills are further appreciated that in different network applications, may be variant for the name of service redirection message, and content of the present invention does not limit it.
Here realize that the source access network device of embodiment three and target access network device are with embodiment one.
Embodiment four:
Fig. 9 be the embodiment of the invention four be redirected to the flow chart of CDMA 1X from HRPD, embodiment four is with the difference of embodiment three, in embodiment four, after the source access network receives the pilot measurement parameter of terminal, directly initiate the redirection parameter request to target access network.As shown in Figure 9, the process that is redirected to CDMA 1X from HRPD comprises:
901:MS/AT sends pilot measurement to HRPD AN.This pilot measurement can comprise HRPD or 1X system wireless environment measurement information.
902: sometime, judge that as HRPD AN the wireless environment of 1X network is communicated by letter better with MS/AT for supporting, HRPD AN prepares the beginning direct-cut operation to 1X.HRPD AN sends 1X redirection parameter request message to 1X BS by the A21 interface, request 1X overhead parameter and RAND value, and expression HRPD AN prepares the beginning direct-cut operation to 1X.
903:1X BS provides 1X overhead parameter and RAND value by the 1X parameter message for HRPD AN, and the control information transmission of indication in A21 message needs to confirm.
904:HRPD AN sends to MS/AT to 1X overhead parameter and RAND value by the CSNA agreement behind the 1X overhead parameter and RAND value that receive from 1X BS.
905:MS/AT sends the redirection parameter response message to HRPD AN, confirms to receive 1X overhead parameter and RAND value.
906: after HRPD AN determined that MS/AT has received up-to-date 1X overhead parameter and RAND value, HRPD AN sent response message to 1X BS by the A21 interface, and expression MS/AT is ready to, and can begin direct-cut operation to the 1X network development process.
907: when 1X BS receives response message from HRPD AN by the A21 interface, after expression AT/MS receives 1x overhead parameter and RAND value, 1X BS creates the 1X service redirection message, be encapsulated in the 1X space interface signaling message and by the A21 interface and send to HRPD AN, the control information transmission of indication in A21 message needs to confirm.
908:HRPD AN sends the 1X service redirection message to MS/AT by the CSNA agreement.After MS/AT received the 1X service redirection message, it explained that this message is that MS/AT should begin to call out activate to the indication that switches to the 1X system.
909:MS/AT sends response message to HRPD AN.
910:HRPD AN receives the response message of MS/AT, sends response message to 1X BS.
911 to 919:MS/AT initiate the 1X call message, and utilize the redirection process of service redirection message from the HRPD network to the 1X network with 209 to 217.
Certainly, can also further finish according to 218 to 221 process the switching of terminal here.
1X BS also can utilize the method for this embodiment to be redirected to HRPD from 1X, and its difference is that this moment, redirection parameter was overhead parameter.
One of ordinary skill in the art will appreciate that, the SRNC/eBS among the UMB also can utilize the method for this embodiment to be redirected 1X from UMB, and its difference is that this moment, SRNC/eBS passed through A30 interface and 1X BS interactive information.
SRNC/eBS among the UMB can utilize the method for this embodiment to be redirected to HRPD from UMB, and its difference is that this moment, SRNC/eBS passed through U5 interface and HRPDAN interactive information, and redirection parameter is overhead parameter.
Those of ordinary skills are further appreciated that in different network applications, may be variant for the name of service redirection message, and content of the present invention does not limit it.
Here realize that the source access network device of embodiment four and target access network device are with embodiment one.
Embodiment five:
Figure 10 be the embodiment of the invention five be redirected to the flow chart of CDMA 1X from HRPD, in embodiment one to embodiment four, the source access network is after definite terminal receives redirection parameter, just trigger target access network and send service redirection message, in actual applications, also can directly trigger target access network by the source access network and send service redirection message.As shown in figure 10, this moment, processing procedure was as follows: at first MS/AT obtains service by the HRPD network, and for some reason, such as HRPD network operation, HRPD AN fault etc., HRPD AN determines this MS/AT is redirected to the 1x network.
1001:HRPD AN sends handover request message to 1X BS by the A21 interface, and expression HRPDAN wishes MS/AT is redirected to the 1X network.
Here HRPD AN also can send the event notice request message to 1X BS by the A21 interface, and expression HRPD AN wishes MS/AT is redirected to the 1X network.
After 1002:1X BS receives handover request message by the A21 interface, respond switching response message to HRPD AN by the A21 interface, agree MS/AT is redirected to the 1X network from HRPD.
1003: after 1X BS receives handover request message by the A21 interface, and agree MS/AT is redirected to 1X from HRPD, then create the 1X service redirection message, be encapsulated in the 1X air interface signaling message and by the A21 interface and send to HRPD AN, the indication control information transmission needs to confirm.
1004:HRPD AN sends the 1X service redirection message to MS/AT by the CSNA agreement.After MS/AT received the 1X service redirection message, it explained that this message is that MS/AT should be redirected to the 1x system.
1005:MS/AT confirms to receive the 1X service redirection message.
1006:HRPD AN sends response message by the A21 interface and represents that to 1X BS MS/AT receives the 1X service redirection message.
After this MS/AT forwards the 1X network to, and search 1X network, thereby obtain the 1X redirection parameter, comprise overhead parameter and RAND random number, after obtaining the 1X redirection parameter, directly send call message to the 1X network, the follow-up same prior art of process that obtains service from the 1X network.
One of ordinary skill in the art will appreciate that, 1X BS also can utilize the method for this embodiment to be redirected to the HRPD network from 1X, and its difference is MS/AT after turning to the HRPD network, is overhead parameter from the redirection parameter of HRPD Network Capture.
One of ordinary skill in the art will appreciate that, the SRNC/eBS among the UMB also can utilize the method for this embodiment to be redirected 1X from UMB, and its difference is that this moment, SRNC/eBS passed through A30 interface and 1X BS interactive information.
SRNC/eBS among the UMB can utilize the method for this embodiment to be redirected to HRPD from UMB, its difference is that this moment, SRNC/eBS passed through U5 interface and HRPDAN interactive information, and MS/AT is after turning to the HRPD network, is overhead parameter from the redirection parameter of HRPD Network Capture.
Those of ordinary skills are further appreciated that in different network applications, may be variant for the name of service redirection message, and content of the present invention does not limit it.
Here source access network device and the target access network device of realizing embodiment five are with the source access network device among the embodiment one and the difference of target access network device:
In the source access network device in embodiment five, processing module 504 judges whether terminal is switched to target access network, when decision switches to target access network with terminal, sending module 501 triggers target access network and sends service redirection message, after receiver module 502 receives the service redirection message that is encapsulated in the space interface signaling message, by forwarding module 503 service redirection message is encapsulated in eating dishes without rice or wine of source access network, sends to terminal.
In the target access network device in embodiment five, sending module 603 directly sends redirection parameter to terminal.
In sum, above is preferred embodiment of the present invention only, is not for limiting protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (28)
1. the method for a notifying redirection to terminal is characterized in that, is applied to only have target access network to possess interoperability solution IWS function, comprising:
The source access network triggers target access network and sends service redirection message;
Described source access network receives the service redirection message from described target access network, send this service redirection message to terminal, after described terminal receives described service redirection message, explain that this message is that described terminal should begin to call out activate to the indication that is redirected to described target access network.
2. method as claimed in claim 1 is characterized in that, described source access network triggers target access network and further comprises before sending service redirection message:
Described source access network obtains redirection parameter from described target access network;
Described source access network sends described redirection parameter to described terminal.
3. method as claimed in claim 1 or 2 is characterized in that, described source access network triggers target access network and sends service redirection message, comprising:
Described source access network sends handover request message or event notification message to target access network.
4. method as claimed in claim 2 is characterized in that, described source access network triggers target access network and sends service redirection message, comprising:
Described source access network sends response message to target access network, and indicating terminal has been received redirection parameter.
5. method as claimed in claim 2 is characterized in that, further comprises: before described source access network obtains redirection parameter from target access network, to target access network request redirection parameter.
6. method as claimed in claim 5 is characterized in that, described source access network comprises to target access network request redirection parameter:
Described source access network sends the redirection parameter request message to target access network.
7. method as claimed in claim 5 is characterized in that, described source access network comprises to target access network request redirection parameter:
Described source access network sends event notification message or handover request message to target access network.
8. method as claimed in claim 2, it is characterized in that, described source access network is after described terminal sends described redirection parameter, and before described source access network triggers target access network transmission service redirection message, further comprise: receive the pilot measurement message from described terminal; Described source access network judges whether to trigger target access network according to pilot measurement message and sends service redirection message;
Perhaps, described source access network further comprises before obtaining redirection parameter from described target access network: receive the pilot measurement message from described terminal; Described source access network judges whether to trigger target access network according to pilot measurement message and sends service redirection message.
9. such as method as described in the claim 1,2,4,5,6,7 or 8, it is characterized in that, described source access network is that HRPD (high rate packet data) technology HRPD network, ultra broadband move UMB network or code division multiple access CDMA 1X network.
10. such as method as described in the claim 1,2,4,5,6,7 or 8, it is characterized in that, described target access network is HRPD network, UMB network or CDMA 1X network.
11. method is characterized in that as claimed in claim 2, when described target access network was CDMA 1X network, described redirection parameter comprised overhead parameter and random RAND value.
12. method is characterized in that as claimed in claim 2, when described target access network was HRPD network or UMB network, described redirection parameter comprised overhead parameter.
13. the device of a notifying redirection to terminal is characterized in that, is applied to only have target access network to possess interoperability solution IWS function, comprising:
Sending module (501) is used for triggering target access network and sends service redirection message;
Receiver module (502) is used for receiving the service redirection message from described target access network;
Forwarding module (503) is used for transmitting described service redirection message to terminal, so that after described terminal receives described service redirection message, explain that this message is that described terminal should begin to call out activate to the indication that is redirected to described target access network.
14. device is characterized in that as claimed in claim 13, further comprises:
Processing module (504), be used for receiving the pilot measurement request from described terminal, and judge whether to trigger described target access network according to the pilot measurement request that receives and send service redirection message, and after judging that triggering described target access network sends service redirection message, indicate described sending module (501) to trigger described target access network and send service redirection message.
15. device is characterized in that as claimed in claim 14, described sending module (501) is further used for to described target access network request redirection parameter;
Described receiver module (502) is further used for receiving the redirection parameter from described target access network;
Described forwarding module (503) is further used for transmitting redirection parameter to described terminal.
16. the method for a notifying redirection to terminal is characterized in that, is applied to only have target access network to possess interoperability solution IWS function, comprising:
The triggering of target access network response source access network, send service redirection message to described source access network, so that after described terminal receives described service redirection message, explain that this message is that described terminal should begin to call out activate to the indication that is redirected to described target access network.
17. method is characterized in that as claimed in claim 16, further comprises before the triggering of described target access network response source access network:
Described target access network sends redirection parameter to described source access network.
18. method is characterized in that as claimed in claim 17, further comprises:
Described target access network sends to the source access network before the redirection parameter, receives the request from the redirection parameter of described source access network.
19. method is characterized in that as claimed in claim 18, described reception comprises from the request of the redirection parameter of source access network:
Reception is from handover request message or the event notification message of source access network.
20. method is characterized in that as claimed in claim 18, described reception comprises from the request of the redirection parameter of source access network:
Reception is from the redirection parameter request message of source access network.
21. method is characterized in that as claimed in claim 20, the triggering of described target access network response source access network comprises:
Described target access network receives handover request message or the event notification message from described source access network.
22. method is characterized in that as claimed in claim 16, the triggering of described target access network response source access network comprises:
Described target access network receives the response message from described source access network, and indicating terminal has been received redirection parameter.
23. such as method as described in arbitrary claim in the claim 16 to 22, it is characterized in that, described source access network is that HRPD (high rate packet data) technology HRPD network, ultra broadband move UMB network or code division multiple access CDMA 1X network.
24. such as method as described in arbitrary claim in the claim 16 to 22, it is characterized in that, described target access network is HRPD network, UMB network or CDMA 1X network.
25. method is characterized in that as claimed in claim 17, when described target access network was CDMA 1X network, described redirection parameter comprised overhead parameter and RAND value.
26. method is characterized in that as claimed in claim 17, when described target access network was HRPD network or UMB network, described redirection parameter comprised overhead parameter.
27. the device of a notifying redirection to terminal is characterized in that, is applied to only have target access network to possess interoperability solution IWS function, comprising:
Receiver module (601) is used for response from the triggering of source access network;
Processing module (602) is used for generating service redirection message;
Sending module (603), be used for sending service redirection message to described source access network, so that after described terminal receives described service redirection message, explain that this message is that described terminal should begin to call out activate to the indication that is redirected to described target access network.
28. device is characterized in that as claimed in claim 27, described receiver module (601) is further used for receiving the request from the redirection parameter of described source access network;
Described sending module (603) is further used for sending redirection parameter to described source access network.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710153922 CN101389131B (en) | 2007-09-14 | 2007-09-14 | Method and device for notifying redirection to terminal |
| PCT/CN2008/072316 WO2009036688A1 (en) | 2007-09-14 | 2008-09-10 | Method of notifying terminal redirection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710153922 CN101389131B (en) | 2007-09-14 | 2007-09-14 | Method and device for notifying redirection to terminal |
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| CN101389131A CN101389131A (en) | 2009-03-18 |
| CN101389131B true CN101389131B (en) | 2013-04-24 |
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| CN 200710153922 Expired - Fee Related CN101389131B (en) | 2007-09-14 | 2007-09-14 | Method and device for notifying redirection to terminal |
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| CN (1) | CN101389131B (en) |
| WO (1) | WO2009036688A1 (en) |
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| CN102487499B (en) * | 2010-12-01 | 2015-05-27 | 华为技术有限公司 | Method for re-directing tunnel and interworking function entity |
| CN102892144A (en) * | 2011-07-21 | 2013-01-23 | 中兴通讯股份有限公司 | Redirection processing method and device |
| CN103249101B (en) * | 2012-02-06 | 2018-04-20 | 中兴通讯股份有限公司 | A kind of method and system that LTE is redirected to from UMTS |
| CN103686878A (en) * | 2012-08-30 | 2014-03-26 | 中兴通讯股份有限公司 | Redirection method and device, terminal and base station |
| CN109246771B (en) * | 2017-05-08 | 2020-08-28 | 大唐移动通信设备有限公司 | Terminal redirection method and base station |
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| US20050037757A1 (en) * | 2003-08-12 | 2005-02-17 | Samsung Electronics Co., Ltd. | Mobile communication system for handoff between heterogeneous mobile communication networks and handoff method using the same |
| KR100547804B1 (en) * | 2003-08-18 | 2006-01-31 | 삼성전자주식회사 | Cell search method and system of mobile station for inter-system handover |
| CN100382545C (en) * | 2004-10-08 | 2008-04-16 | 华为技术有限公司 | System and method for synchronous receiving double-network information by double-mode terminal |
| US8320326B2 (en) * | 2004-11-22 | 2012-11-27 | Motorola Mobility Llc | Method and system for inter-technology active handoff of a hybrid communication device |
| EP1935118A4 (en) * | 2005-09-22 | 2012-06-27 | Samsung Electronics Co Ltd | Method for transmitting/responding paging information for dual-mode access terminal and device and method for network switching according to network indication |
| CN1984399B (en) * | 2005-12-12 | 2010-12-01 | 北京三星通信技术研究有限公司 | Terminal for switching to HRPD network according to CDMA 2000 calling message |
| CN100466618C (en) * | 2006-03-30 | 2009-03-04 | 华为技术有限公司 | Method and system for establishing high speed block data network block data conversation |
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- 2007-09-14 CN CN 200710153922 patent/CN101389131B/en not_active Expired - Fee Related
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| CN1582054A (en) * | 2003-07-31 | 2005-02-16 | 西门子移动通讯公司 | Common radio resource management method in a multi-rat cellular telephone network |
| US7376650B1 (en) * | 2003-09-12 | 2008-05-20 | Microsoft Corporation | Method and system for redirecting a request using redirection patterns |
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| WO2009036688A1 (en) | 2009-03-26 |
| CN101389131A (en) | 2009-03-18 |
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