CN105472669A - Non-optimized activation switching method and communication system from long term evolution (LTE) network to enhanced high rate packet data (eHRPD) network - Google Patents
Non-optimized activation switching method and communication system from long term evolution (LTE) network to enhanced high rate packet data (eHRPD) network Download PDFInfo
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Abstract
An embodiment of the invention discloses a non-optimized activation switching method and a communication system from a long term evolution (LTE) network to an enhanced high rate packet data (eHRPD) network, wherein the non-optimized activation switching method comprises the steps of after air interface connection between user equipment (UE) and an enhanced access network (eAN), transmitting vendor specific network control protocol (VSNCP) configuration request message to an enhanced high rate packet data service gateway (HSGW), wherein the VSNCP configuration request message comprises subscriber ID of the UE; inquiring whether subscription data of a sbuscriber have already acquired by the HSGW; if yes, requesting a packet data network gateway (PGW) to allocate an IP address and transmitting the IP address to the UE through the VSNCP configuration ack message; otherwise, buffering the VSNCP configuration request message and acquiring the subscription data of the subscriber from a home subscriber server through an authentication-authorization-accounting (AAA) server; and furthermore after subscription data of the user are acquired, executing an operation of the HSGW for requesting the PGW to assign the IP address to the UE. The non-optimized activation switching method provided by the embodiment of the invention can shorten a non-optimized activation switching time delay from the LTE network to the eHRPD network.
Description
Technical field
The present invention relates to the communication technology, especially a kind of LTE network is to the unoptimizable activation switch method of eHRPD network and communication system.
Background technology
Long Term Evolution (LTE), as Technology of New Generation Mobile Communications, can provide higher user rate and lower time delay, provide abundanter business.But the construction of LTE network certainly exists a longer process, in this process, LTE network can be there is and cover the scene being less than 2G/3G network.When user is from the region having LTE network to cover, move to and do not have LTE network to cover but have the region of the 2G/3G network coverage, there will be that business goes offline, the problem of call drop.When LTE network covers deficiency, need to take over seamlessly enhancing HRPD (high rate packet data) (EnhancedHighRatePacketData, eHRPD) network, to guarantee business continuance.
Under terminal connected state, LTE network switches to the activation of eHRPD network, has two kinds of switching modes at present: optimize and activate switching and unoptimizable activation switching.Current main flow plant equipment wouldn't support that LTE network activates switching to the optimization of eHRPD network, only supports that LTE network switches to the unoptimizable activation of eHRPD network.LTE network is adopt the mode of being redirected to carry out activation to switch to the unoptimizable activation switching of eHRPD network.Wherein, LTE network activates to switch can be divided into again to the unoptimizable of eHRPD network and strengthens HRPD (high rate packet data) (eHRPD) gateway (HSGW) and retain context and HSGW does not retain context two kinds of situations, wherein, HSGW does not need to carry out LCP (LinkControlProtocol when retaining context, LCP) negotiation and Extensible Authentication Protocol (ExtensibleAuthenticationProtocol, EAP) authentication.
Realizing in process of the present invention, inventor finds, when existing HSGW retains context, after user terminal is switched to eHRPD network from the activation of LTE network unoptimizable, first set up under eHRPD system and eat dishes without rice or wine to connect, then vendor specific Network Control Protocol (VendorspecificNetworkControlProtocol is sent to HSGW immediately, VSNCP) configuring request (configurationrequest) message, and now usual HSGW not yet obtains user contracting data, so VSNCPconfigurationrequest message abandons by HSGW.When user terminal did not receive the response message that HSGW returns for this VSNCPconfigurationrequest message in 1 second, need interval to retransmit VSNCPconfigurationrequest message in 1 second, thus cause LTE network larger to the unoptimizable activation handover delay of eHRPD network.
Summary of the invention
Embodiment of the present invention technical problem to be solved is: provide the unoptimizable activation switch method of a kind of LTE network to eHRPD network and communication system, activates handover delay with the unoptimizable shortening LTE to eHRPD.
A kind of LTE network that the embodiment of the present invention provides, to the unoptimizable activation switch method of eHRPD network, comprising:
User terminal UE and strengthen after Access Network eAN sets up and eat dishes without rice or wine to be connected, send vendor specific Network Control Protocol VSNCP configuring request configurationrequest message to enhancing high-speed packet data service gateway HSGW, this VSNCPconfigurationrequest message comprises the user ID of described UE;
Whether HSGW inquiry has got the subscription data of described user ID institute identifying user;
If get the subscription data of described user ID institute identifying user, HSGW asks packet data network gateway PGW be described UE distributing IP address and send to described UE by VSNCP configuration response configurationack message, so that described UE uses the data service strengthened in HRPD (high rate packet data) eHRPD network based on the IP address distributed;
Otherwise, if do not get the subscription data of described user ID institute identifying user, VSNCPconfigurationrequest message described in HSGW buffer memory, and based on the session context of described user retained, obtained the subscription data of described user from home subscriber server HSS by checking, authorization and accounting aaa server; And after the subscription data getting described user ID institute identifying user, perform the operation that described HSGW request PGW is described UE distributing IP address.
Based in another embodiment of said method of the present invention, in described VSNCPconfigurationrequest message, also comprise the APN APN that described UE accesses;
The subscription data of described user comprises the APN list that described user ID and user contract, and described APN list comprises more than one APN;
After getting the subscription data of described user ID institute identifying user, also comprise:
HSGW judges the APN whether comprised in the APN list that described user contracts in described VSNCPconfigurationrequest message;
And when only comprising the APN in described VSNCPconfigurationrequest message in the APN list that described user contracts, start to perform described HSGW and ask PGW to be the operation of described UE distributing IP address.
Based in another embodiment of said method of the present invention, described UE and eAN sets up connection of eating dishes without rice or wine and comprises:
Evolution base station eNB sends wireless heterogeneous networks Connection Release rrcConnectionRelease message to described UE, and the Long Term Evolution LTE network discharging described UE connects;
UE sends connection request ConnectionRequest message to described eAN, and request foundation eats dishes without rice or wine to connect;
EAN is that described UE distributes interface-free resources, and returns Traffic Channel Assignment TrafficChannelAssignment message to described UE, and this TrafficChannelAssignment message comprises the interface-free resources parameter for described UE distributes;
UE returns Traffic Channel Assignment to eAN and completes TrafficChannleComplete response message, confirms connection establishment success of eating dishes without rice or wine;
EAN sends registration request A11-RRQ message to HSGW, asks the session connection of setting up between eAN and HSGW;
HSGW sets up the session connection between eAN, and returns registration reply A11-RRP message to eAN, confirms that session connection has been set up.
Based in another embodiment of said method of the present invention, described HSGW asks PGW to be that described UE distributing IP address comprises:
HSGW and PGW sets up session alternately, and sends address assignment request message to PGW, and this address assignment request message comprises described user ID;
PGW is described UE distributing IP address, and is returned as the IP address of described UE distribution to HSGW;
HSGW returns VSNCPconfigurationack message to described UE, and this VSNCPconfigurationack message comprises the IP address for described UE distributes.
A kind of communication system that the embodiment of the present invention provides, comprises UE, eAN, PGW, aaa server and HSS, also comprises HSGW, for:
Receive UE with eAN set up eat dishes without rice or wine to be connected after the VSNCPconfigurationrequest message that sends, this VSNCPconfigurationrequest message comprises the user ID of described UE; Whether inquiry has got the subscription data of described user ID institute identifying user;
If do not get the subscription data of described user ID institute identifying user, VSNCPconfigurationrequest message described in buffer memory, and based on the session context of described user retained, obtained the subscription data of described user from HSS by aaa server; And
If get the subscription data of described user ID institute identifying user, request PGW is described UE distributing IP address and sends to described UE by VSNCPconfigurationack message, so that described UE uses the data service in eHRPD network based on the IP address distributed.
Based in another embodiment of said system of the present invention, in described VSNCPconfigurationrequest message, also comprise the APN that described UE accesses;
The subscription data of described user comprises the APN list that described user ID and user contract, and described APN list comprises more than one APN;
Described HSGW, also for after the subscription data getting described user ID institute identifying user, judges the APN whether comprised in the APN list that described user contracts in described VSNCPconfigurationrequest message; And when only comprising the APN in described VSNCPconfigurationrequest message in the APN list that described user contracts, start to perform the operation that described request PGW is described UE distributing IP address.
Based in another embodiment of said system of the present invention, also comprise:
ENB, for sending rrcConnectionRelease message, described in release to described UE
The LTE network of UE connects;
Described UE, for sending ConnectionRequest message to described eAN, request foundation eats dishes without rice or wine to connect; And after receiving TrafficChannelAssignment message that eAN returns, return TrafficChannleComplete response message to eAN, confirm connection establishment success of eating dishes without rice or wine;
Described eAN, for distributing interface-free resources for described UE, and return TrafficChannelAssignment message to described UE, this TrafficChannelAssignment message comprises the interface-free resources parameter for described UE distributes; And send A11-RRQ message to HSGW, ask the session connection of setting up between eAN and HSGW;
Described HSGW, also for setting up the session connection between eAN, and returns to eAN
A11-RRP message, confirms that session connection has been set up.
Based in another embodiment of said system of the present invention, when described HSGW asks PGW to be described UE distributing IP address, concrete and PGW sets up session alternately, and sends address assignment request message to PGW, and this address assignment request message comprises described user ID; And when receiving described PGW and being the IP address of described UE distribution, return VSNCPconfigurationack message to described UE, this VSNCPconfigurationack message comprises the IP address for described UE distributes;
Described PGW, for being described UE distributing IP address, and is returned as the IP address of described UE distribution to HSGW.
The LTE network provided based on the above embodiment of the present invention is to the unoptimizable activation switch method of eHRPD network and communication system, after HSGW receives the VSNCPconfigurationrequest message of UE transmission, whether inquiry has got the subscription data of this user; If do not get the subscription data of this user, buffer memory and this VSNCPconfigurationrequest message of non-dropped, and after getting the subscription data of this user, be UE distributing IP address immediately and return VSNCPconfigurationack to UE, and without the need to wait for 1 second by UE interval after retransmit VSNCPconfigurationrequest message again, be UE distributing IP address again and return VSNCPconfigurationack to UE, thus avoiding the repeating transmission stand-by period of UE, the unoptimizable shortening LTE to eHRPD activates handover delay.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
What form a part for specification drawings describes embodiments of the invention, and is used from explanation principle of the present invention together with description one.
With reference to accompanying drawing, according to detailed description below, clearly the present invention can be understood, wherein:
Fig. 1 is the flow chart of LTE network of the present invention to a unoptimizable activation switch method embodiment of eHRPD network.
Fig. 2 is the flow chart of LTE network of the present invention to another embodiment of unoptimizable activation switch method of eHRPD network.
Fig. 3 is the structural representation of the unified embodiment of communication system of the present invention.
Embodiment
Various exemplary embodiment of the present invention is described in detail now with reference to accompanying drawing.It should be noted that: unless specifically stated otherwise, otherwise positioned opposite, the numerical expression of the parts of setting forth in these embodiments and step and numerical value do not limit the scope of the invention.
Meanwhile, it should be understood that for convenience of description, the size of the various piece shown in accompanying drawing is not draw according to the proportionate relationship of reality.
Illustrative to the description only actually of at least one exemplary embodiment below, never as any restriction to the present invention and application or use.
May not discuss in detail for the known technology of person of ordinary skill in the relevant, method and apparatus, but in the appropriate case, described technology, method and apparatus should be regarded as a part for specification.
In all examples with discussing shown here, any occurrence should be construed as merely exemplary, instead of as restriction.Therefore, other example of exemplary embodiment can have different values.
It should be noted that: represent similar terms in similar label and letter accompanying drawing below, therefore, once be defined in an a certain Xiang Yi accompanying drawing, then do not need to be further discussed it in accompanying drawing subsequently.
Fig. 1 is the flow chart of LTE network of the present invention to a unoptimizable activation switch method embodiment of eHRPD network.As shown in Figure 1, this embodiment LTE network comprises to the unoptimizable activation switch method of eHRPD network:
110, after user terminal (UE) and the enhancing Access Network (eAN) of eHRPD network are set up and are eated dishes without rice or wine to be connected, send VSNCPconfigurationrequest message to HSGW, this VSNCPconfigurationrequest message comprises the user ID (ID) of UE.
The UE user of user ID unique identification wherein, a corresponding UE user of UE in the embodiment of the present invention.
Whether 120, HSGW inquiry has got the subscription data of user ID institute identifying user in VSNCPconfigurationrequest message.
If get the subscription data of this user ID institute identifying user, perform the operation of 150.Otherwise, if do not get the subscription data of this user ID institute identifying user, perform the operation of 130.
130, HSGW buffer memory VSNCPconfigurationrequest message and this VSNCPconfigurationrequest message of non-dropped.
140, HSGW based on retain, the session context of user ID respective user in this VSNCPconfigurationrequest message, obtained the subscription data of user from the home subscriber server (HSS) of this UE user by checking, authorization and accounting (AAA) server.
And after the subscription data getting user ID institute identifying user, the operation of executable operations 150.
150, HSGW asks packet data network gateway (PGW) to be this UE distributing IP address.
160, HSGW sends VSNCP configuration response (configurationack) message to UE, this VSNCPconfigurationack message comprises the IP address for this UE distributes, so that UE uses the data service in eHRPD network based on the IP address distributed.
The LTE network provided based on the above embodiment of the present invention is to the unoptimizable activation switch method of eHRPD network, and after HSGW receives the VSNCPconfigurationrequest message that UE sends, whether inquiry has got the subscription data of this user, if do not get the subscription data of this user, buffer memory and this VSNCPconfigurationrequest message of non-dropped, and after getting the subscription data of this user, be UE distributing IP address immediately and return VSNCPconfigurationack to UE, and without the need to wait for 1 second by UE interval after retransmit VSNCPconfigurationrequest message again, be UE distributing IP address again and return VSNCPconfigurationack to UE, thus avoid the repeating transmission stand-by period of UE, the unoptimizable shortening LTE to eHRPD activates handover delay, handover delay can be reduced to 1.5 seconds from 2.5 seconds.
Fig. 2 is the flow chart of LTE network of the present invention to another embodiment of unoptimizable activation switch method of eHRPD network.As shown in Figure 2, this embodiment LTE network comprises to the unoptimizable activation switch method of eHRPD network:
210, evolution base station (eNB) sends wireless heterogeneous networks Connection Release (rrc to UE
ConnectionRelease) message, the LTE network discharging this UE connects.
220, UE sends connection request (ConnectionRequest) message to eAN, request
Foundation eats dishes without rice or wine to connect.
230, eAN is that UE distributes interface-free resources, and return Traffic Channel Assignment (TrafficChannelAssignment) message to UE, this TrafficChannelAssignment message comprises the interface-free resources parameter for this UE distributes, such as, the parameter such as channel resource, data rate control channel (DRC), Data Source Control Channel (DSC).
240, UE returns Traffic Channel Assignment to eAN and completes (TrafficChannleComplete) response message, confirms connection establishment success of eating dishes without rice or wine.
250, eAN sends registration request (A11-RRQ) message to HSGW, asks the session connection (that is: A10 can connect) of setting up between eAN and HSGW.
260, HSGW sets up the session connection between eAN, and returns registration reply (A11-RRP) message to eAN, confirms that session connection has been set up.
270, after UE and the eAN of eHRPD network set up and eat dishes without rice or wine to be connected, send VSNCPconfigurationrequest message to HSGW, this VSNCPconfigurationrequest message comprises the user ID of UE and the APN (APN) of this UE access.
Wherein, there is not execution sequence between operation 270 and 250 ~ 260 and limit, the two can perform simultaneously, and also can perform according to other any time difference, the present embodiment only provides a kind of concrete example.
Whether 280, HSGW inquiry has got the subscription data of user ID institute identifying user in VSNCPconfigurationrequest message.
If get the subscription data of this user ID institute identifying user, perform the operation of 310.Otherwise, if do not get the subscription data of this user ID institute identifying user, perform the operation of 290.
The VSNCPconfigurationrequest message that 290, HSGW buffer memory receives and this VSNCPconfigurationrequest message of non-dropped.
300, HSGW based on retain, the session context of user ID respective user in this VSNCPconfigurationrequest message, obtained the subscription data of this UE user from the HSS of this UE user by aaa server, the subscription data of user wherein comprises the APN list that user ID and user contract, and APN list comprises more than one APN that user contracts.
At HSGW after the subscription data getting user ID institute identifying user, perform the operation of 310.
310, HSGW judges the APN whether comprised in the APN list in the subscription data of this UE user in the above-mentioned VSNCPconfigurationrequest message of buffer memory.
And when only comprising the APN in the VSNCPconfigurationrequest message of buffer memory in the APN list that this UE user contracts, perform 320 operation.Otherwise do not perform the follow-up flow process of the embodiment of the present invention, HSGW optionally can return error response message to UE.
320, HSGW and PGW set up session (that is: S2a session) alternately, and send address assignment request message to PGW, and this address assignment request message comprises user ID.
330, PGW is UE distributing IP address, and to HSGW return address assignment response message, this address assignment response message comprises user ID and the IP address for this UE distribution.
340, HSGW returns VSNCPconfigurationack message to UE, and this VSNCPconfigurationack message comprises the IP address for this UE distributes.
350, HSGW sends VSNCPConfigurerequest message to UE.
360, UE returns VSNCPConfigureack message to HSGW, shows session establishment success.
370, UE starts the data service used based on the IP address distributed in eHRPD network.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can have been come by the hardware that program command is relevant, aforesaid program can be stored in a computer read/write memory medium, this program, when performing, performs the step comprising said method embodiment; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium.
Fig. 3 is the structural representation of the unified embodiment of communication system of the present invention.The communication system of the embodiment of the present invention can be used in the present invention the flow process of above-mentioned each embodiment of the method.As shown in Figure 3, the communication system of this embodiment comprises UE, eAN, PGW, aaa server and HSS.Also comprise HSGW in addition, for:
Receive UE with eAN set up eat dishes without rice or wine to be connected after the VSNCPconfigurationrequest message that sends, this VSNCPconfigurationrequest message comprises the user ID of this UE; Whether inquiry has got the subscription data of user ID institute identifying user; And
If do not get the subscription data of user ID institute identifying user in VSNCPconfigurationrequest message, this VSNCPconfigurationrequest message of buffer memory, and based on the session context of this user retained, obtained the subscription data of this UE user from HSS by aaa server; And
If get the subscription data of user ID institute identifying user in VSNCPconfigurationrequest message, request PGW is this UE distributing IP address and sends to this UE by VSNCPconfigurationack message, so that this UE uses the data service in eHRPD network based on the IP address distributed.
In another embodiment of communication system of the present invention, in the VSNCPconfigurationrequest message that HSGW receives, also comprise the APN of UE access.Correspondingly, the subscription data of the user that HSGW gets comprises the APN list that user ID and user contract, and this APN list comprises more than one user and to contract APN.HSGW, also for after the subscription data getting user ID institute identifying user, judges the APN whether comprised in the APN list that this user contracts in VSNCPconfigurationrequest message; And when only comprising the APN in VSNCPconfigurationrequest message in the APN list that user contracts, starting to perform request PGW is the operation of UE distributing IP address.
Further, then see Fig. 3, in another embodiment of communication system of the present invention, also comprise eNB, for sending rrcConnectionRelease message to UE, the LTE network of release UE connects.Correspondingly, in this embodiment, UE is used for sending ConnectionRequest message to eAN, and request foundation eats dishes without rice or wine to connect; And after receiving the TrafficChannelAssignment message that eAN returns, return TrafficChannleComplete response message to eAN, confirm connection establishment success of eating dishes without rice or wine.Correspondingly, in this embodiment, eAN is used for for UE distributes interface-free resources, and return TrafficChannelAssignment message to UE, this TrafficChannelAssignment message comprises for this UE distributes interface-free resources parameter, such as, and the parameter such as channel resource, DRC/DSC; And send A11-RRQ message to HSGW, ask the session connection of setting up between eAN and HSGW.HSGW also for setting up the session connection between eAN, and returns A11-RRP message to eAN, confirms that session connection has been set up.
As a concrete example, state in the embodiment of each communication system on the invention, when HSGW asks PGW to be UE distributing IP address, specifically can set up S2a session alternately with PGW, and sending address assignment request message to PGW, this address assignment request message comprises user ID; And when receiving PGW and being the IP address of UE distribution, return VSNCPconfigurationack message to UE, this VSNCPconfigurationack message comprises the IP address for this UE distributes.Correspondingly, in this embodiment, PGW is used for for UE distributing IP address, and is returned as the IP address of UE distribution to HSGW.
In this specification, each embodiment all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiment, same or analogous part cross-reference between each embodiment.For system embodiment, because itself and embodiment of the method are substantially corresponding, so description is fairly simple, relevant part illustrates see the part of embodiment of the method.
Method of the present invention, system may be realized in many ways.Such as, any combination by software, hardware, firmware or software, hardware, firmware realizes method and system of the present invention.Said sequence for the step of described method is only to be described, and the step of method of the present invention is not limited to above specifically described order, unless specifically stated otherwise.In addition, in certain embodiments, can be also record program in the recording medium by the invention process, these programs comprise the machine readable instructions for realizing according to method of the present invention.Thus, the present invention also covers the recording medium stored for performing the program according to method of the present invention.
Description of the invention provides in order to example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is in order to principle of the present invention and practical application are better described, and enables those of ordinary skill in the art understand the present invention thus design the various embodiments with various amendment being suitable for special-purpose.
Claims (8)
1. LTE network is to a unoptimizable activation switch method for eHRPD network, it is characterized in that, comprising:
User terminal UE and strengthen after Access Network eAN sets up and eat dishes without rice or wine to be connected, send vendor specific Network Control Protocol VSNCP configuring request configurationrequest message to enhancing high-speed packet data service gateway HSGW, this VSNCPconfigurationrequest message comprises the user ID of described UE;
Whether HSGW inquiry has got the subscription data of described user ID institute identifying user;
If get the subscription data of described user ID institute identifying user, HSGW asks packet data network gateway PGW be described UE distributing IP address and send to described UE by VSNCP configuration response configurationack message, so that described UE uses the data service strengthened in HRPD (high rate packet data) eHRPD network based on the IP address distributed;
Otherwise, if do not get the subscription data of described user ID institute identifying user, VSNCPconfigurationrequest message described in HSGW buffer memory, and based on the session context of described user retained, obtained the subscription data of described user from home subscriber server HSS by checking, authorization and accounting aaa server; And after the subscription data getting described user ID institute identifying user, perform the operation that described HSGW request PGW is described UE distributing IP address.
2. method according to claim 1, is characterized in that, also comprises the APN APN that described UE accesses in described VSNCPconfigurationrequest message;
The subscription data of described user comprises the APN list that described user ID and user contract, and described APN list comprises more than one APN;
After getting the subscription data of described user ID institute identifying user, also comprise:
HSGW judges the APN whether comprised in the APN list that described user contracts in described VSNCPconfigurationrequest message;
And when only comprising the APN in described VSNCPconfigurationrequest message in the APN list that described user contracts, start to perform described HSGW and ask PGW to be the operation of described UE distributing IP address.
3. method according to claim 2, is characterized in that, described UE and eAN sets up connection of eating dishes without rice or wine and comprises:
Evolution base station eNB sends wireless heterogeneous networks Connection Release rrcConnectionRelease message to described UE, and the Long Term Evolution LTE network discharging described UE connects;
UE sends connection request ConnectionRequest message to described eAN, and request foundation eats dishes without rice or wine to connect;
EAN is that described UE distributes interface-free resources, and returns Traffic Channel Assignment TrafficChannelAssignment message to described UE, and this TrafficChannelAssignment message comprises the interface-free resources parameter for described UE distributes;
UE returns Traffic Channel Assignment to eAN and completes TrafficChannleComplete response message, confirms connection establishment success of eating dishes without rice or wine;
EAN sends registration request A11-RRQ message to HSGW, asks the session connection of setting up between eAN and HSGW;
HSGW sets up the session connection between eAN, and returns registration reply A11-RRP message to eAN, confirms that session connection has been set up.
4. the method according to claims 1 to 3 any one, is characterized in that, described HSGW asks PGW to be that described UE distributing IP address comprises:
HSGW and PGW sets up session alternately, and sends address assignment request message to PGW, and this address assignment request message comprises described user ID;
PGW is described UE distributing IP address, and is returned as the IP address of described UE distribution to HSGW;
HSGW returns VSNCPconfigurationack message to described UE, and this VSNCPconfigurationack message comprises the IP address for described UE distributes.
5. a communication system, comprises UE, eAN, PGW, aaa server and HSS, it is characterized in that, also comprise HSGW, for:
Receive UE with eAN set up eat dishes without rice or wine to be connected after the VSNCPconfigurationrequest message that sends, this VSNCPconfigurationrequest message comprises the user ID of described UE; Whether inquiry has got the subscription data of described user ID institute identifying user;
If do not get the subscription data of described user ID institute identifying user, VSNCPconfigurationrequest message described in buffer memory, and the session context of described user based on described reservation, obtained the subscription data of described user from HSS by aaa server; And
If get the subscription data of described user ID institute identifying user, request PGW is described UE distributing IP address and sends to described UE by VSNCP configuration response configurationack message, so that described UE uses the data service in eHRPD network based on the IP address distributed.
6. system according to claim 5, is characterized in that, also comprises the APN that described UE accesses in described VSNCPconfigurationrequest message;
The subscription data of described user comprises the APN list that described user ID and user contract, and described APN list comprises more than one APN;
Described HSGW, also for after the subscription data getting described user ID institute identifying user, judges the APN whether comprised in the APN list that described user contracts in described VSNCPconfigurationrequest message; And when only comprising the APN in described VSNCPconfigurationrequest message in the APN list that described user contracts, start to perform the operation that described request PGW is described UE distributing IP address.
7. system according to claim 6, is characterized in that, also comprises:
ENB, for sending rrcConnectionRelease message, described in release to described UE
The LTE network of UE connects;
Described UE, for sending ConnectionRequest message to described eAN, request foundation eats dishes without rice or wine to connect; And after receiving TrafficChannelAssignment message that eAN returns, return TrafficChannleComplete response message to eAN, confirm connection establishment success of eating dishes without rice or wine;
Described eAN, for distributing interface-free resources for described UE, and return TrafficChannelAssignment message to described UE, this TrafficChannelAssignment message comprises the interface-free resources parameter for described UE distributes; And send A11-RRQ message to HSGW, ask the session connection of setting up between eAN and HSGW;
Described HSGW, also for setting up the session connection between eAN, and returns to eAN
A11-RRP message, confirms that session connection has been set up.
8. the system according to claim 5 to 7 any one, it is characterized in that, when described HSGW asks PGW to be described UE distributing IP address, concrete and PGW sets up session alternately, and sending address assignment request message to PGW, this address assignment request message comprises described user ID; And when receiving described PGW and being the IP address of described UE distribution, return VSNCPconfigurationack message to described UE, this VSNCPconfigurationack message comprises the IP address for described UE distributes;
Described PGW, for being described UE distributing IP address, and is returned as the IP address of described UE distribution to HSGW.
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| CN106375374A (en) * | 2016-08-25 | 2017-02-01 | 华为技术有限公司 | Hedge scene processing method and device |
| CN110769471A (en) * | 2018-07-25 | 2020-02-07 | 成都鼎桥通信技术有限公司 | Switching and device of broadband trunking communication network and public network |
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| CN105472669B (en) | 2018-12-14 |
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