CN101098546B - Method and system for switching conversation to high-speed packet data network - Google Patents
Method and system for switching conversation to high-speed packet data network Download PDFInfo
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- CN101098546B CN101098546B CN2006100905358A CN200610090535A CN101098546B CN 101098546 B CN101098546 B CN 101098546B CN 2006100905358 A CN2006100905358 A CN 2006100905358A CN 200610090535 A CN200610090535 A CN 200610090535A CN 101098546 B CN101098546 B CN 101098546B
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Abstract
The invention discloses a method for switching all to high-speed group data (HRPD)network, and a relative system, wherein the method comprises that when a multimode terminal processes call in a non-HRPD network, the base station in the non-HRPD network sends a switch request carrying a multimode terminal mark to an access network deice AN in the HRPD network, AN receives the switch request, to build a data chain connection in the HRPD network, the multimode terminal via the built data chain connection processes the call continuously in the HRPD network. The invention builds a data chain load in HRPD network when multimode terminal processes call in non-HRPD network, to reduce switch time delay, avoid conversation interruption of multimode terminal, and confirm communication continuity.
Description
Technical field
The present invention relates to mobile communication technology, particularly relate to the method and system that a kind of session with non-HRPD (high rate packet data) (HRPD) network switches to the HRPD network.
Background technology
CDMA2000 and HRPD all belong to the CDMA technology standard series.Wherein, the CDMA2000 system is used for the basis and covers, for the user provides speech business and low speed packet data service; The HRPD network replenishes as the CDMA2000 system, is used for focus and covers, and is generally the user high-speed packet data service is provided.
At present, in order to expand the application of HRPD network, proposed in the HRPD network, to adopt the VOIP mode that the various implementations of speech business are provided.Like this, then make and in the HRPD network, also can realize speech business.In addition, at present, the dual-mode terminal (for ease of all abbreviating dual-mode terminal below describing as) that has terminal in the CDMA2000 system (MS) function and have terminal in the HRPD network (AT) function has also obtained application.Therefore, the user uses a dual-mode terminal just can realize speech business in 1x circuit domain in the CDMA2000 system and HRPD network.
After all realizing speech business in 1x circuit domain in the CDMA2000 system and the HRPD network, in a dual-mode terminal network therein, carry out voice communication, but in the time of need switching to another network, how to guarantee that the pairing voice communication of this dual-mode terminal do not interrupt continuously, then become an important problem.
Fig. 1 is the flow chart that existing techniques in realizing switches to the voice conversation of CDMA1x network on the HRPD network.Referring to Fig. 1, at present, to carry out voice conversation at dual-mode terminal at the CDMA1x network, and need switch to the situation of HRPD network, the process that existing techniques in realizing is switched mainly can may further comprise the steps:
Step 101: when switching to the HRPD network on dual-mode terminal is being eated dishes without rice or wine, this dual-mode terminal is set up with the access network equipment (AN) in the HRPD network and is eated dishes without rice or wine to be connected, and obtains Traffic Channel.
Step 102: in the HRPD network, after AN and dual-mode terminal were set up and eated dishes without rice or wine to be connected, the A9-Setup-A8 message of request being set up the A8 link was sent to Packet Control Function (PCF) entity.
After step 103:PCF received A9-Setup-A8 message, the A11-Registration Request message of request being set up the A10 link was sent to packet data serving node (PDSN).
Step 104:PDSN sets up A10 with PCF and is connected, and will be used to represent that A10 connects completed A11-Registration Reply message and is sent to PCF.
Step 105:PCF sets up A8 with AN and is connected after receiving A11-Registration Reply message.
Step 106: the connection that the dual-mode terminal utilization is set up, at the continuous voice conversation that carries out of HRPD network trunk.
In addition, when dual-mode terminal carries out voice conversation or other sessions in other the non-HRPD networks except that the CDMA1x network, if desired the session of being carried out is switched in the HRPD network, the process of its specific implementation is identical with above-mentioned Principle of Process shown in Figure 1, the i.e. actual HRPD network that arrived in the position of dual-mode terminal, and with the HRPD network in AN set up eat dishes without rice or wine to be connected after, carry out in the Access Network of HRPD network, setting up the process that A8 and A10 data link are carried.
By above description as can be seen, when dual-mode terminal carries out various sessions in non-HRPD network, and need switch to the HRPD network time, in the prior art, be the actual HRPD network that arrived in the position of dual-mode terminal, that is to say, be dual-mode terminal set up with the HRPD network in eat dishes without rice or wine between the AN be connected after, just carry out in the Access Network of HRPD network, setting up the process of A8 and the carrying of A10 data link.Like this, in the process of setting up the carrying of A8 and A10 data link, the temporary transient problem of interrupting of session of dual-mode terminal will inevitably appear then.Therefore, there is bigger handover delay in the method that existing techniques in realizing is switched, can't guarantee the continuity of session, thereby greatly reduce QoS.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method that session is switched to high-speed grouped data network, another object of the present invention is to provide a kind of session is switched to the system of high-speed grouped data network, to guarantee the continuity of multimode terminal session when non-HRPD network switches to the HRPD network.
In order to achieve the above object, technical scheme of the present invention is achieved in that
A kind of session is switched to the method for high-speed grouped data network, this method comprises:
A, when multimode terminal carries out session in non-HRPD (high rate packet data) HRPD network, the handoff request that multimode terminal sign will be carried in the base station in the non-HRPD network is sent to the access network equipment AN in the HRPD network;
B, when AN receives handoff request, in the HRPD network, set up data link and connect;
AN is sent to described base station with switching response message; The switching indication that the AN wireless parameter will be carried in described base station is sent to multimode terminal;
Multimode terminal eats dishes without rice or wine to be connected with described AN foundation according to received switching indication;
The data link that C, multimode terminal pass through to be set up connects, and continues in the HRPD network trunk and carries out described session.
In steps A, before described base station was sent to handoff request AN in the HRPD network, further comprise: described AN was selected in described base station from each adjacent AN.
Described AN is selected in described base station from each adjacent AN step comprises: when multimode terminal carries out session in non-HRPD network, carry out the pilot measurement of HRPD, measure the pilot quality of adjacent each AN, and the pilot quality information of each measured AN is sent to described base station; Described AN is selected according to the pilot quality information of each AN that receives in described base station;
Perhaps, the described base station step of selecting described AN from each adjacent AN comprises: the topological relation between adjacent each AN of configuration and described base station in described base station in advance; Described base station is according to the topological relation that is disposed, and multimode terminal and the distance of self, calculates the pilot quality of adjacent each AN, and according to the pilot quality information of adjacent each AN that calculates, selects described AN.
In steps A, when described base station monitors arrives trigger event, carry out the described step that handoff request is sent to the AN in the HRPD network.
Described base station monitors comprises to trigger event: the base station receives the handoff request that described multimode terminal is sent;
Perhaps, described base station monitors comprises to trigger event: the base station detects the radio signal quality variation in the non-HRPD network.
In step B, the described data link step of connecting of setting up in the HRPD network comprises: the A9-Setup-A8 message that AN will carry the multimode terminal sign is sent to Packet Control Function PCF entity; After the PCF entity receives A9-Setup-A8 message, the A11-Registration Request message of carrying the multimode terminal sign is sent to packet data serving node PDSN; Whether PDSN exists the A10 link according to the multimode terminal sign of carrying in the A11-Registration Request message between judgement and the PCF entity, if exist, then upgrades the life cycle of this A10 link, if there is no, then sets up the A10 link with PCF; PDSN is sent to the PCF entity with A11-Registration Reply response message; The PCF entity is set up A8 with AN and is connected after receiving A11-Registration Reply message.
This method further comprises: configuration interoperability functional unit IWS in described base station links to each other described base station by the Ay interface with described AN;
In steps A, the step that the handoff request that multimode terminal sign will be carried in described base station is sent to the AN in the HRPD network comprises: the described base station of configuration IWS is by the Ay interface, and the handoff request of carrying the multimode terminal sign is sent to AN in the HRPD network;
Described AN comprises the step that switching response message is sent to described base station: described AN directly is sent to switching response message described base station by the Ay interface.
Described non-HRPD network is CDMA1x;
This method further comprises: configuration interoperability functional unit IWS in described AN links to each other described AN by the A1p interface with mobile switching centre among the CDMA1x;
In steps A, the step that the handoff request that multimode terminal sign will be carried in described base station is sent to the AN in the HRPD network comprises: described base station is by the A1 interface, is sent to mobile switching centre with carrying the handoff request that multimode terminal sign and described AN identify; This mobile switching centre is according to the sign that receives the AN that carries in the handoff request, and the handoff request that will carry the multimode terminal sign by the A1p interface is sent to the AN in the HRPD network;
Described AN comprises the step that switching response message is sent to described base station: described AN is sent to mobile switching centre by the A1p interface with switching response message; Mobile switching centre is sent to described base station by the A1 interface with switching response message.
After step B, further comprise: after multimode terminal and described AN set up and eat dishes without rice or wine to be connected, to AN transmission handoff completion message; After AN receives handoff completion message, send handoff completion message to mobile switching centre by the A1p interface; After mobile switching centre receives handoff completion message, discharge the related resource of multimode terminal in the CDMA1x system.
Described non-HRPD network is CDMA1x; This method further comprises: interoperability functional unit IWS entity is set between AN and mobile switching centre, by the A1p interface described IWS is linked to each other with mobile switching centre, and by the Ay interface IWS entity is linked to each other with AN;
In steps A, the step that the handoff request that multimode terminal sign will be carried in described base station is sent to the AN in the HRPD network comprises: described base station is sent to mobile switching centre by the A1 interface with the handoff request of carrying the multimode terminal sign; Mobile switching centre is sent to described IWS entity by the handoff request that the A1p interface will carry the multimode terminal sign; The handoff request that described IWS entity will carry multimode terminal sign by the Ay interface is sent to the AN in the HRPD network;
Described AN comprises the step that switching response message is sent to described base station: described AN is sent to described IWS entity by the Ay interface with switching response message; Described IWS entity is sent to mobile switching centre by the A1p interface with switching response message; Mobile switching centre is sent to described base station by the A1 interface with switching response message.
After step B, further comprise: multimode terminal is set up with described AN and is eated dishes without rice or wine to be connected the back to AN transmission handoff completion message; After AN receives handoff completion message, handoff completion message is sent to described IWS entity by the Ay interface; Described IWS entity is sent to described mobile switching centre by the A1p interface with handoff completion message; After described mobile switching centre receives handoff completion message, discharge the related resource of multimode terminal in the CDMA1x network.
In step B, before Access Network is set up the data link connection, further comprise: AN is according to the multimode terminal sign of carrying in the handoff request that receives, described multimode terminal is carried out authentication, if authentication success, then the continuation execution is described sets up the data link step of connecting at Access Network, if failed authentication then finishes current flow process.
A kind of system that session is switched to HRPD (high rate packet data) HRPD network, this system comprises: multimode terminal, base station in the non-HRPD network, access network equipment AN in the HRPD network, Packet Control Function PCF and packet data serving node PDSN, wherein, base station in the non-HRPD system links to each other by the Ay interface with described HRPD AN, and
Multimode terminal is used for carrying out session in non-HRPD system, and after receiving the switching indication of carrying the AN wireless parameter, indicates according to this switchings to switch to the HRPD network, proceeds described session at the HRPD network;
Base station in the non-HRPD network, be used for when multimode terminal carries out session, the handoff request that to carry multimode terminal sign by the Ay interface is sent to described AN, and after receiving the switching response message that AN sends, the switching indication of carrying the AN wireless parameter is sent to multimode terminal;
AN in the HRPD network is used for after receiving handoff request, triggers the PCF entity and sets up A10 with PDSN and be connected, and sets up A8 with the PCF entity then and is connected, and after having set up the A8 connection, by the Ay interface switching response message is sent to base station in the non-HRPD network;
Described non-HRPD network is CDMA1x; Base station in the described non-HRPD network is the base station that disposes interoperability functional unit IWS in the CDMA1x network;
Described multimode terminal is used for eating dishes without rice or wine to be connected with described AN foundation according to the switching indication, utilizes eating dishes without rice or wine of being set up to connect, and continues in the HRPD network trunk and carries out described session.
A kind of session with the CDMA1x network switches to the system of high-speed grouped data network, this system comprises: multimode terminal, base station in the CDMA1x system and mobile switching centre, dispose access network equipment AN and Packet Control Function PCF entity and the packet data serving node PDSN entity of interoperability functional unit IWS in the HRPD (high rate packet data) HRPD network
Multimode terminal is used for carrying out session at the CDMA1x network, and the AN sign of carrying in indicating according to the switching that receives is set up with described AN and eated dishes without rice or wine to be connected, and utilizes eating dishes without rice or wine of being set up to connect, and continues in the HRPD network trunk and carries out described session;
The base station, be used at multimode terminal when the CDMA1x network carries out session, the handoff request that to carry the multimode terminal sign by the A1 interface is sent to mobile switching centre, and after receiving switching response message, the switching indication of carrying the AN wireless parameter is sent to multimode terminal;
Mobile switching centre, be used for after receiving the handoff request of carrying the multimode terminal sign, by the A1p interface handoff request that this carries the multimode terminal sign is sent to AN, and after receiving switching response message, this switching response message is sent to described base station by the A1 interface;
AN is used for after receiving the handoff request of carrying the multimode terminal sign, and triggering PCF entity is set up A10 with PDSN and is connected, and sets up A8 with the PCF entity then and is connected, and after having set up the A8 connection, by the A1p interface switching response message is sent to mobile switching centre.
A kind of session with the CDMA1x network switches to the system of high-speed grouped data network, this system comprises: multimode terminal, base station in the CDMA1x network and mobile switching centre, interoperability functional unit IWS entity, access network equipment AN in the HRPD (high rate packet data) HRPD network, Packet Control Function PCF entity and packet data serving node PDSN entity, and
Multimode terminal is used for carrying out session at the CDMA1x network, and the AN sign of carrying in indicating according to the switching that receives is set up with described AN and eated dishes without rice or wine to be connected, and utilizes eating dishes without rice or wine of being set up to connect, and continues in the HRPD network trunk and carries out described session;
The base station, be used at multimode terminal when the CDMA1x network carries out session, the handoff request that to carry the multimode terminal sign by the A1 interface is sent to mobile switching centre, and after receiving switching response message, the switching indication of carrying the AN wireless parameter is sent to multimode terminal;
Mobile switching centre, be used for after receiving the handoff request of carrying the multimode terminal sign, by the A1p interface handoff request that this carries the multimode terminal sign is sent to the IWS entity, and after receiving switching response message, this switching response message is sent to described base station by the A1 interface;
The IWS entity, be used for after receiving the handoff request of carrying the multimode terminal sign, by the Ay interface handoff request that this carries the multimode terminal sign is sent to AN, and after receiving switching response message, this switching response message is sent to described mobile switching centre by the A1p interface;
AN is used for after receiving the handoff request of carrying the multimode terminal sign, and triggering PCF entity is set up A10 with PDSN and is connected, and sets up A8 with the PCF entity then and is connected, and after having set up the A8 connection, by the Ay interface switching response message is sent to the IWS entity.
This shows, in the present invention, when multimode terminal carries out session in non-HRPD network, just in the HRPD network, set up A8 and A10 link, and be not eating dishes without rice or wine after the connection of prior art when multimode terminal enters HRPD network and having set up, A8 and A10 link just in the Access Network of HRPD network, have been set up, therefore, significantly reduce handover delay, avoided the session of multimode terminal to occur interrupting, guarantee the continuity of session, improved QoS.
Description of drawings
Fig. 1 is the flow chart that existing techniques in realizing switches to the voice conversation of CDMA1x network on the HRPD network.
Fig. 2 is the basic structure schematic diagram of system of the present invention.
Fig. 3 A is first kind of identical structural representation of the present invention when non-HRPD network is the CDMA1x network.
Fig. 3 B is second kind of structural representation of system of the present invention when non-HRPD network is the CDMA1x network.
Fig. 4 is the third structural representation of system of the present invention when non-HRPD network is the CDMA1x network.
Fig. 5 is the flow chart of the embodiment of the invention 1.
Fig. 6 is the flow chart of the embodiment of the invention 2.
Fig. 7 is the flow chart of the embodiment of the invention 3.
Embodiment
The present invention proposes the method that a kind of session with non-HRPD network switches to the HRPD network, its core concept is: when multimode terminal carried out session in non-HRPD network, the handoff request that multimode terminal sign will be carried in the base station in the non-HRPD network was sent to the access network equipment AN in the HRPD network; When AN receives handoff request, in the HRPD network, set up data link and connect; The data link that multimode terminal passes through to be set up connects, and continues in the HRPD network trunk and carries out described session.
Referring to Fig. 2, the present invention proposes the system that a kind of session with non-HRPD network switches to the HRPD network, comprising: multimode terminal, base station in the non-HRPD network, the AN in the HRPD network, PCF and PDSN, wherein, base station in the non-HRPD system links to each other by the Ay interface with described HRPD AN, and
Multimode terminal is used for carrying out session in non-HRPD system, and after receiving the switching indication of carrying the AN wireless parameter, indicates according to this switchings to switch to the HRPD network, proceeds described session at the HRPD network;
Base station in the non-HRPD network, be used for when multimode terminal carries out session, the handoff request that to carry multimode terminal sign by the Ay interface is sent to described AN, and after receiving the switching response message that AN sends, the switching indication of carrying the AN wireless parameter is sent to multimode terminal;
AN in the HRPD network is used for after receiving handoff request, triggers the PCF entity and sets up A10 with PDSN and be connected, and sets up A8 with the PCF entity then and is connected, and after having set up the A8 connection, by the Ay interface switching response message is sent to base station in the non-HRPD network.
In addition, when described non-HRPD network is the CDMA1x network, agreement has been stipulated the intercommunication of Access Network side 1x network and HRPD network, should communicate by interoperability functional unit (IWS), IWS provides the conversion of Access Network side 1x network and HRPD network interface, that is to say that IWS supports A1 interface, Alp interface and Ay interface simultaneously, the A1/Alp interface message in the 1x circuit domain can be converted to the manageable Ay interface message of AN in the HRPD network.According to these characteristics, the invention allows for the speech data of 1x system/the switch to system of HRPD network.
Fig. 3 A is first kind of structural representation of system of the present invention when non-HRPD network is the CDMA1x network.Referring to Fig. 2, in the present invention, can in the base station of 1x, dispose IWS, the former support in base station A1 interface, after having disposed IWS, the Ay interface is also supported in this base station, and at this moment, system of the present invention comprises: multimode terminal, in the CDMA1x network, dispose the base station of IWS, AN in the HRPD network, PCF and PDSN, wherein, the base station that has disposed IWS links to each other with AN in the HRPD network by the Ay interface.
Fig. 3 B is second kind of structural representation of system of the present invention when non-HRPD network is the CDMA1x network.Referring to Fig. 3, in the present invention, can dispose IWS in the AN of HRPD network, AN is after having disposed IWS, this AN supports the Alp interface, at this moment, system of the present invention comprises: multimode terminal, base station in the CDMA1x network and mobile switching centre, dispose AN and PCF and the PDSN of IWS in the HRPD network, wherein, the AN that has disposed IWS links to each other with mobile switching centre by the Alp interface, and mobile switching centre links to each other with the base station by the A1 interface.
Fig. 4 is the third structural representation of system of the present invention when non-HRPD network is the CDMA1x network.Referring to Fig. 4, in the present invention, can between mobile switching centre and AN, be provided with one independently, possess the IWS entity of IWS, at this moment, system of the present invention comprises: multimode terminal, base station in the 1x system and mobile switching centre, IWS entity, AN in the HRPD network and PCF and PDSN, wherein, the IWS entity links to each other with AN by the Ay interface, and links to each other with mobile switching centre by the Alp interface, and mobile switching centre links to each other with the base station by the A1 interface.
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 drawings and the specific embodiments.
In following embodiment, be that the CDMA1x network is an example with described non-HRPD network, implementation procedure of the present invention is described.
And, in following embodiment,, lift a specific embodiment respectively and describe implementation procedure of the present invention in detail at three kinds of structures of Fig. 2, Fig. 3 and system of the present invention shown in Figure 4.Describing for simplifying, is example for having terminal in the CDMA2000 system (MS) function with the dual-mode terminal with terminal in the HRPD network (AT) function with the multimode terminal among Fig. 2, Fig. 3 and Fig. 4.
Embodiment 1:
Fig. 5 is the flow chart of the embodiment of the invention 1.Referring to Fig. 2 and Fig. 5, when utilizing first kind of structure of system of the present invention shown in Figure 2, the inventive method realizes that the process that the session in the CDMA1x network is switched to the HRPD network may further comprise the steps:
Step 501: when dual-mode terminal carried out session in the CDMA1x network, the base station monitors in the CDMA1x network was to handover trigger event.
Here, when dual-mode terminal carried out session in the CDMA1x network, dual-mode terminal can initiatively be sent to the base station with handoff request, at this moment, in this step, described base station monitors comprises to handover trigger event: the base station receives the handoff request that dual-mode terminal is sent.
In this step, described base station monitors to handover trigger event can also be: the base station detects the radio signal quality variation in the CDMA1x network.
Step 502: when dual-mode terminal carried out session in the CDMA1x network, the target AN into the dual-mode terminal service was selected in the base station in the CDMA1x network from each AN that is adjacent.
Here, described base station determines that dual-mode terminal switches in the HRPD network back and for the process of the AN of dual-mode terminal service can be: when dual-mode terminal carries out session in the CDMA1x network, carry out the pilot measurement of HRPD, measure the pilot quality of adjacent each AN, and the pilot quality information of each measured AN is sent to described base station, described base station is chosen as the target AN of dual-mode terminal service according to the pilot quality information of each AN that receives.
Described base station determines that dual-mode terminal switches in the HRPD network back and for the process of the AN of dual-mode terminal service can also be: the topological relation between each AN of configuration and each base station in described base station in advance; Described base station is according to this pre-configured topological relation, and dual-mode terminal and the distance of self, calculates the pilot quality of each AN at terminal location, and described base station is chosen as the target AN of dual-mode terminal service according to the pilot quality information of each AN that calculates.
Step 503: the base station that disposes IWS directly is sent to selected AN by the Ay interface with the handoff request of carrying the dual-mode terminal sign.
Here and the dual-mode terminal of the following stated sign can be the IMSI International Mobile Subscriber Identity (IMSI) and/or the Electronic Serial Number (ESN) of dual-mode terminal.
In this step, the base station can be that the present invention is newly-increased on the A21 interface basis by the Ay interface to the handoff request of AN transmission.The Ay interface also can the time BS in the CDMA1x network and the new interface between the AN in the HRPD network.
In this step, AN can also carry out authentication to dual-mode terminal further according to the sign of the dual-mode terminal that carries in the handoff request when receiving handoff request, if the authentication success then continues to carry out follow-up step 504, otherwise, finish current flow process.
Step 504: in the HRPD network, after described AN receives handoff request, the A9-Setup-A8 message A8 link, that carry the dual-mode terminal sign is set up in request be sent to PCF.
After step 505:PCF receives A9-Setup-A8 message, the A11-Registration Request message of carrying the dual-mode terminal sign is sent to PDSN.
Step 506:PDSN is according to the dual-mode terminal sign of carrying in the A11-Registration Request message, whether there is A10 link between judgement and the PCF corresponding to this dual-mode terminal, if exist, then upgrade the life cycle of this A10 link, if there is no, then set up A10 link corresponding to this dual-mode terminal with PCF.
Step 507:PDSN is sent to PCF with A11-Registration Reply response message.
Step 508:PCF sets up A8 with AN and is connected after receiving A11-Registration Reply message, and A9-Connect-A8 message is sent to AN.
After step 509:AN receives A9-Connect-A8 message, switching response message is sent to described base station in the CDMA1x network by the Ay interface.
In this step, AN is that the present invention is newly-increased in the A21 interface by the Ay interface to the switching response message of base station transmission.The Ay interface also can the time CDMA1x network in the new interface between AN in BS and the HRPD network.
Step 510: after described base station receives switching response message, the switching indication of carrying the AN wireless parameter is sent to dual-mode terminal.
Step 511: when dual-mode terminal entered the HRPD network, this dual-mode terminal eated dishes without rice or wine to be connected with described AN foundation according to the sign of the AN that carries in the switching indication that receives, obtains Traffic Channel.
Here, if there has been a data session in dual-mode terminal in the HRPD network, do not need to rebulid data session, and to set up the corresponding AN of the eat dishes without rice or wine professional AN that connects and data with existing session different with dual-mode terminal, so, in this step, can also carry out switching between dormant state AN according to the regulation of 3GPP2.That is to say, dual-mode terminal is when eating dishes without rice or wine to be connected with AN foundation, to in the HRPD network, the sign of data with existing session corresponding A N be sent to the AN that this foundation eats dishes without rice or wine to connect, the sign of the data with existing session corresponding A N that should receive with the AN basis that dual-mode terminal foundation eats dishes without rice or wine to be connected, carry out obtaining the relevant information of this data with existing session alternately with this data with existing session corresponding A N.Its specific implementation process is a prior art, is not described in detail herein.
In this step, if dual-mode terminal does not have data session in the HRPD network, perhaps can not be connected to the PDSN of data with existing session correspondence, so, dual-mode terminal is also further set up data session with PDSN after professional the connection eated dishes without rice or wine in foundation.And if dual-mode terminal is supported mobile IP, so, dual-mode terminal is further carried out the mobile IP registration process.
Step 512: what the dual-mode terminal utilization was set up respectively connects, and continues in the HRPD network trunk and carries out described session.
Embodiment 2:
Fig. 6 is the flow chart of the embodiment of the invention 2.Referring to Fig. 3 and Fig. 6, when utilizing second kind of structure of system of the present invention, the inventive method realizes that the process that the session in the CDMA1x network is switched to the HRPD network may further comprise the steps:
Step 601～step 602 is all identical with all descriptions of step 501～step 502.
Base station in the step 603:CDMA1x network determines that with carrying dual-mode terminal sign and institute the handoff request that AN identifies is sent to mobile switching centre (MSC) by the A1 interface.
Step 604: mobile switching centre is according to the sign of the AN in the handoff request that receives, and the handoff request that will carry the dual-mode terminal sign by the Alp interface is sent to AN.
In this step, AN can also carry out authentication to dual-mode terminal further according to the sign of the dual-mode terminal that carries in the handoff request when receiving handoff request, if the authentication success then continues to carry out follow-up step 605, otherwise, finish current flow process.
Step 605～step 609 is all identical with all descriptions of step 504～step 508.
After step 610:AN receives A9-Connect-A8 message, switching response message is sent to mobile switching centre by the Alp interface.
Step 611: after mobile switching centre receives switching response message, switching response message is sent to the base station by the A1 interface.
Step 612～step 614 is all identical with all descriptions of step 510～step 512.
In above-mentioned steps 613, dual-mode terminal is after eating dishes without rice or wine to be connected with AN foundation, obtaining Traffic Channel, and that can also pass through to be set up eats dishes without rice or wine to connect to AN transmission handoff completion message; After AN receives handoff completion message, send handoff completion message to mobile switching centre by the Alp interface; After mobile switching centre receives handoff completion message, discharge the related resource of dual-mode terminal in the CDMA1x network.
Embodiment 3:
Fig. 7 is the flow chart of the embodiment of the invention 3.Referring to Fig. 4 and Fig. 7, when utilizing the third structure of system of the present invention, the inventive method realizes that the process that the session in the CDMA1x network is switched to the HRPD network may further comprise the steps:
Step 701～step 702 is all identical with all descriptions of step 501～step 502.
Base station in the step 703:CDMA1x network determines that with carrying dual-mode terminal sign and institute the handoff request that AN identifies is sent to mobile switching centre by the A1 interface.
Step 704: mobile switching centre is sent to the IWS entity by the Alp interface with this handoff request after receiving the handoff request of carrying dual-mode terminal sign and selected AN sign.
After step 705:IWS entity received handoff request, according to the AN sign of carrying in this handoff request, the handoff request that will carry the dual-mode terminal sign by the Ay interface was sent to AN.
In this step, AN can also carry out authentication to dual-mode terminal further according to the sign of the dual-mode terminal that carries in the handoff request when receiving handoff request, if the authentication success then continues to carry out follow-up step 706, otherwise, finish current flow process.
Step 706～step 710 is all identical with all descriptions of step 504～step 508.
After step 711:AN receives A9-Connect-A8 message, switching response message is sent to the IWS entity by the Ay interface.
Step 712:IWS entity is sent to mobile switching centre by the Alp interface with switching response message.
Step 713: after mobile switching centre receives switching response message, switching response message is sent to the base station by the A1 interface.
Step 714～step 716 is all identical with all descriptions of step 510～step 512.
In above-mentioned steps 715, dual-mode terminal can also eat dishes without rice or wine to send handoff completion message to AN after eating dishes without rice or wine to be connected with AN foundation, obtaining Traffic Channel by HRPD; After AN receives handoff completion message, send handoff completion message to the IWS entity by the Ay interface; After the IWS entity receives handoff completion message, this handoff completion message is sent to mobile switching centre by the Alp interface; After mobile switching centre receives handoff completion message, discharge the related resource of dual-mode terminal in the CDMA1x network.
In the present invention, described non-HRPD network can be global mobile communication network (GSM); Or wireless lan (wlan); Or global inserting of microwave interoperability (WIMAX) network; Or Wideband Code Division Multiple Access (WCDMA) (WCDMA) network; Or CDMA1x; Or other HRPD network, such as, the mobile communication system that the 3G after the evolution is later.Technical scheme of the present invention is specially adapted to session and switches to the HRPD network from CDMA1x.
In the present invention, multimode terminal is meant the subscriber equipment of the service that can obtain from a plurality of different wireless systems, supports two or more air-interface standards.As supporting the terminal of any two or more systems among GSM, WLAN, CDMA1x, HRPD and the WCDMA simultaneously.
In the present invention, described session can be the session of any media formats, such as, voice conversation and data session.
In the above-described embodiments, be to be that the CDMA1x network is an example with described non-HRPD network, illustrate and will talk about the process that switches to the HRPD network.For other non-HRPD networks, such as WLAN or WIMAX, it is identical that the present invention realizes the session among this WLAN or the WIMAX is switched to the principle of the process of HRPD network and the described process of the foregoing description.
In a word, the above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (15)
1. one kind switches to the method for high-speed grouped data network with session, it is characterized in that this method comprises:
A, when multimode terminal carries out session in non-HRPD (high rate packet data) HRPD network, the handoff request that multimode terminal sign will be carried in the base station in the non-HRPD network is sent to the access network equipment AN in the HRPD network;
B, when AN receives handoff request, in the HRPD network, set up data link and connect;
AN is sent to described base station with switching response message; The switching indication that the AN wireless parameter will be carried in described base station is sent to multimode terminal;
Multimode terminal eats dishes without rice or wine to be connected with described AN foundation according to received switching indication;
The data link that C, multimode terminal pass through to be set up connects, and continues in the HRPD network trunk and carries out described session.
2. method according to claim 1 is characterized in that, in steps A, before described base station was sent to handoff request AN in the HRPD network, further comprise: described AN was selected in described base station from each adjacent AN.
3. method according to claim 2, it is characterized in that, described AN is selected in described base station from each adjacent AN step comprises: when multimode terminal carries out session in non-HRPD network, carry out the pilot measurement of HRPD, measure the pilot quality of adjacent each AN, and the pilot quality information of each measured AN is sent to described base station; Described AN is selected according to the pilot quality information of each AN that receives in described base station;
Perhaps, the described base station step of selecting described AN from each adjacent AN comprises: the topological relation between adjacent each AN of configuration and described base station in described base station in advance; Described base station is according to the topological relation that is disposed, and multimode terminal and the distance of self, calculates the pilot quality of adjacent each AN, and according to the pilot quality information of adjacent each AN that calculates, selects described AN.
4. method according to claim 1 is characterized in that, in steps A, when described base station monitors arrives trigger event, carries out the described step that handoff request is sent to the AN in the HRPD network.
5. method according to claim 4 is characterized in that, described base station monitors comprises to trigger event: the base station receives the handoff request that described multimode terminal is sent;
Perhaps, described base station monitors comprises to trigger event: the base station detects the radio signal quality variation in the non-HRPD network.
6. method according to claim 1 is characterized in that, in step B, the described data link step of connecting of setting up in the HRPD network comprises: the A9-Setup-A8 message that AN will carry the multimode terminal sign is sent to Packet Control Function PCF entity; After the PCF entity receives A9-Setup-A8 message, the A11-Registration Request message of carrying the multimode terminal sign is sent to packet data serving node PDSN; Whether PDSN exists the A10 link according to the multimode terminal sign of carrying in the A11-Registration Request message between judgement and the PCF entity, if exist, then upgrades the life cycle of this A10 link, if there is no, then sets up the A10 link with PCF; PDSN is sent to the PCF entity with A11-Registration Reply response message; The PCF entity is set up A8 with AN and is connected after receiving A11-Registration Reply message.
7. method according to claim 1 is characterized in that, this method further comprises: configuration interoperability functional unit IWS in described base station links to each other described base station by the Ay interface with described AN;
In steps A, the step that the handoff request that multimode terminal sign will be carried in described base station is sent to the AN in the HRPD network comprises: the described base station of configuration IWS is by the Ay interface, and the handoff request of carrying the multimode terminal sign is sent to AN in the HRPD network;
Described AN comprises the step that switching response message is sent to described base station: described AN directly is sent to switching response message described base station by the Ay interface.
8. method according to claim 1 is characterized in that, described non-HRPD network is CDMA1x;
This method further comprises: configuration interoperability functional unit IWS in described AN links to each other described AN by the A1p interface with mobile switching centre among the CDMA1x;
In steps A, the step that the handoff request that multimode terminal sign will be carried in described base station is sent to the AN in the HRPD network comprises: described base station is by the A1 interface, is sent to mobile switching centre with carrying the handoff request that multimode terminal sign and described AN identify; This mobile switching centre is according to the sign that receives the AN that carries in the handoff request, and the handoff request that will carry the multimode terminal sign by the A1p interface is sent to the AN in the HRPD network;
Described AN comprises the step that switching response message is sent to described base station: described AN is sent to mobile switching centre by the A1p interface with switching response message; Mobile switching centre is sent to described base station by the A1 interface with switching response message.
9. method according to claim 8 is characterized in that, after step B, further comprises: after multimode terminal and described AN set up and eat dishes without rice or wine to be connected, to AN transmission handoff completion message; After AN receives handoff completion message, send handoff completion message to mobile switching centre by the A1p interface; After mobile switching centre receives handoff completion message, discharge the related resource of multimode terminal in the CDMA1x system.
10. method according to claim 1 is characterized in that, described non-HRPD network is CDMA1x;
This method further comprises: interoperability functional unit IWS entity is set between AN and mobile switching centre, by the A1p interface described IWS is linked to each other with mobile switching centre, and by the Ay interface IWS entity is linked to each other with AN;
In steps A, the step that the handoff request that multimode terminal sign will be carried in described base station is sent to the AN in the HRPD network comprises: described base station is sent to mobile switching centre by the A1 interface with the handoff request of carrying the multimode terminal sign; Mobile switching centre is sent to described IWS entity by the handoff request that the A1p interface will carry the multimode terminal sign; The handoff request that described IWS entity will carry multimode terminal sign by the Ay interface is sent to the AN in the HRPD network;
Described AN comprises the step that switching response message is sent to described base station: described AN is sent to described IWS entity by the Ay interface with switching response message; Described IWS entity is sent to mobile switching centre by the A1p interface with switching response message; Mobile switching centre is sent to described base station by the A1 interface with switching response message.
11. method according to claim 10 is characterized in that, after step B, further comprises: multimode terminal is set up with described AN and is eated dishes without rice or wine to be connected the back to AN transmission handoff completion message; After AN receives handoff completion message, handoff completion message is sent to described IWS entity by the Ay interface; Described IWS entity is sent to described mobile switching centre by the A1p interface with handoff completion message; After described mobile switching centre receives handoff completion message, discharge the related resource of multimode terminal in the CDMA1x network.
12. according to any described method in the claim 1 to 11, it is characterized in that, in step B, before Access Network is set up the data link connection, further comprise: AN carries out authentication according to the multimode terminal sign of carrying in the handoff request that receives to described multimode terminal, if authentication success, then the continuation execution is described sets up the data link step of connecting at Access Network, if failed authentication then finishes current flow process.
13. system that session is switched to HRPD (high rate packet data) HRPD network, it is characterized in that, this system comprises: multimode terminal, base station in the non-HRPD network, access network equipment AN in the HRPD network, Packet Control Function PCF and packet data serving node PDSN, wherein, the base station in the non-HRPD system links to each other by the Ay interface with described HRPD AN, and
Multimode terminal is used for carrying out session in non-HRPD system, and after receiving the switching indication of carrying the AN wireless parameter, indicates according to this switchings to switch to the HRPD network, proceeds described session at the HRPD network;
Base station in the non-HRPD network, be used for when multimode terminal carries out session, the handoff request that to carry multimode terminal sign by the Ay interface is sent to described AN, and after receiving the switching response message that AN sends, the switching indication of carrying the AN wireless parameter is sent to multimode terminal;
AN in the HRPD network is used for after receiving handoff request, triggers the PCF entity and sets up A10 with PDSN and be connected, and sets up A8 with the PCF entity then and is connected, and after having set up the A8 connection, by the Ay interface switching response message is sent to base station in the non-HRPD network;
Described non-HRPD network is CDMA1x; Base station in the described non-HRPD network is the base station that disposes interoperability functional unit IWS in the CDMA1x network;
Described multimode terminal is used for eating dishes without rice or wine to be connected with described AN foundation according to the switching indication, utilizes eating dishes without rice or wine of being set up to connect, and continues in the HRPD network trunk and carries out described session.
14. the session with the CDMA1x network switches to the system of high-speed grouped data network, it is characterized in that, this system comprises: multimode terminal, base station in the CDMA1x system and mobile switching centre, dispose access network equipment AN and Packet Control Function PCF entity and the packet data serving node PDSN entity of interoperability functional unit IWS in the HRPD (high rate packet data) HRPD network
Multimode terminal is used for carrying out session at the CDMA1x network, and the AN sign of carrying in indicating according to the switching that receives is set up with described AN and eated dishes without rice or wine to be connected, and utilizes eating dishes without rice or wine of being set up to connect, and continues in the HRPD network trunk and carries out described session;
The base station, be used at multimode terminal when the CDMA1x network carries out session, the handoff request that to carry the multimode terminal sign by the A1 interface is sent to mobile switching centre, and after receiving switching response message, the switching indication of carrying the AN wireless parameter is sent to multimode terminal;
Mobile switching centre, be used for after receiving the handoff request of carrying the multimode terminal sign, by the A1p interface handoff request that this carries the multimode terminal sign is sent to AN, and after receiving switching response message, this switching response message is sent to described base station by the A1 interface;
AN is used for after receiving the handoff request of carrying the multimode terminal sign, and triggering PCF entity is set up A10 with PDSN and is connected, and sets up A8 with the PCF entity then and is connected, and after having set up the A8 connection, by the A1p interface switching response message is sent to mobile switching centre.
15. the session with the CDMA1x network switches to the system of high-speed grouped data network, it is characterized in that, this system comprises: multimode terminal, base station in the CDMA1x network and mobile switching centre, interoperability functional unit IWS entity, access network equipment AN in the HRPD (high rate packet data) HRPD network, Packet Control Function PCF entity and packet data serving node PDSN entity, and
Multimode terminal is used for carrying out session at the CDMA1x network, and the AN sign of carrying in indicating according to the switching that receives is set up with described AN and eated dishes without rice or wine to be connected, and utilizes eating dishes without rice or wine of being set up to connect, and continues in the HRPD network trunk and carries out described session;
The base station, be used at multimode terminal when the CDMA1x network carries out session, the handoff request that to carry the multimode terminal sign by the A1 interface is sent to mobile switching centre, and after receiving switching response message, the switching indication of carrying the AN wireless parameter is sent to multimode terminal;
Mobile switching centre, be used for after receiving the handoff request of carrying the multimode terminal sign, by the A1p interface handoff request that this carries the multimode terminal sign is sent to the IWS entity, and after receiving switching response message, this switching response message is sent to described base station by the A1 interface;
The IWS entity, be used for after receiving the handoff request of carrying the multimode terminal sign, by the Ay interface handoff request that this carries the multimode terminal sign is sent to AN, and after receiving switching response message, this switching response message is sent to described mobile switching centre by the A1p interface;
AN is used for after receiving the handoff request of carrying the multimode terminal sign, and triggering PCF entity is set up A10 with PDSN and is connected, and sets up A8 with the PCF entity then and is connected, and after having set up the A8 connection, by the Ay interface switching response message is sent to the IWS entity.
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| US8699450B2 (en) | 2008-05-11 | 2014-04-15 | Qualcomm Incorporated | Systems and methods for multimode wireless communication handoff |
| US9036599B2 (en) | 2008-05-11 | 2015-05-19 | Qualcomm Incorporated | Systems and methods for multimode wireless communication handoff |
| CN101754313B (en) * | 2008-11-28 | 2012-07-04 | 华为技术有限公司 | Pilot measuring control method and dual-mode terminal |
| WO2010078725A1 (en) * | 2009-01-08 | 2010-07-15 | 华为技术有限公司 | Method for network handover, user equipment, gateway and network system thereof |
| CN101778441B (en) * | 2009-01-09 | 2013-03-27 | 中兴通讯股份有限公司 | Activation switch method and terminal based on HRPD (High Rate Packet Data) system |
| CN101867979A (en) * | 2009-04-17 | 2010-10-20 | 中兴通讯股份有限公司 | Pretreatment method of multimode switch |
| CN103079239A (en) * | 2011-10-26 | 2013-05-01 | 中兴通讯股份有限公司 | Service continuity achievement method and system for dual-standby terminal |
| CN102883390A (en) * | 2012-10-22 | 2013-01-16 | 张家港市鸿嘉数字科技有限公司 | Service switching method |
| CN102883391A (en) * | 2012-10-22 | 2013-01-16 | 张家港市鸿嘉数字科技有限公司 | Service switching device |
| EP2928230B1 (en) | 2012-12-28 | 2019-09-25 | Huawei Technologies Co., Ltd. | Method and device to collect event statistics during inter-rat mobility |
| CN105472669B (en) * | 2014-08-15 | 2018-12-14 | 中国电信股份有限公司 | Unoptimizable activation switch method and communication system of the LTE network to eHRPD network |
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| CN1571322A (en) * | 2003-07-11 | 2005-01-26 | 华为技术有限公司 | An inter-system switching method for dual-mode terminal |
| CN1722697A (en) * | 2004-07-13 | 2006-01-18 | 华为技术有限公司 | A method for transferring call to VoIP service |
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| CN1571322A (en) * | 2003-07-11 | 2005-01-26 | 华为技术有限公司 | An inter-system switching method for dual-mode terminal |
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