CN105813152B - Method for switching network and system, communication equipment - Google Patents
Method for switching network and system, communication equipment Download PDFInfo
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- CN105813152B CN105813152B CN201410840237.0A CN201410840237A CN105813152B CN 105813152 B CN105813152 B CN 105813152B CN 201410840237 A CN201410840237 A CN 201410840237A CN 105813152 B CN105813152 B CN 105813152B
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Abstract
The embodiment of the invention discloses a kind of method for switching network and system, communication equipment, wherein, method includes: that PCRF equipment receives the subscriber policy request message that new Packet Service gateway is sent, including the address information and user identity information of new Packet Service gateway；It obtains the presence information of the mobile terminal user and identifies whether the mobile terminal user is currently online；If online, the address information for the former Packet Service gateway of the mobile terminal user accessed is obtained, and whether the address of more former Packet Service gateway is consistent with the address of new Packet Service gateway；If inconsistent, first request the session of former Packet Service gateway release mobile terminal user, the user's control policy information of mobile terminal user is returned to, to new Packet Service gateway again so that mobile terminal accesses new communications network by new Packet Service gateway.The embodiment of the present invention can solve user conversation technical problem ossified on former PGW.
Description
Technical field
The present invention relates to the communication technology, especially a kind of method for switching network and system, communication equipment.
Background technique
3GPP (three generations's partner program) R8 technical specification is while LTE (long term evolution) technology of proposition, it was also proposed that
The concept of SAE (Service Architecture Evolution, system architecture evolution), SAE is by EPC (Evolved
Packet Core, evolution block core net) and E-UTRAN (evolution universal terrestrial wireless access network) two large divisions composition.EPC
It is a kind of core net of multiple access, supports a variety of different wireless access technologys, comprising: CDMA (CDMA) 2000, WCDMA
The wireless access technologys such as (wideband code division multiple access), WLAN (WLAN), LTE.Wherein, CDMA belongs to 3GPP2 technical system,
Need for wireless side to be upgraded to eHRPD (Enhanced High Rate Packet Data enhances high speed packet data) ability
It is linked into EPC core net, to realize CDMA/LTE combination network.The main network elements of EPC include: MME (mobile management entity),
HSS (home subscriber server), SGW (gateway), PGW (Packet Data Network Gateway, Packet Data Network
Gateway), HSGW (high-rate packet data services gateway) and PCRF (Policy and Charging Rules
Function, strategy and charging rule functions) equipment.
When mobile terminal initially adheres to from 4G (fourth generation mobile communication technology) LTE network, MME will be according to DNS (domain name solution
Analysis service) query result and certain selection strategy be that the mobile terminal user selects a PGW access；When mobile terminal from
EHRPD network is initially adhered to, and HSGW will be that mobile terminal user selects one according to DNS query result and certain selection strategy
PGW access；When the type of attachment of mobile station is switching (Handover), it may be assumed that switch between LTE network and eHRPD network, then
The address PGW that MME/HSGW will be issued according to HSS/3GPP AAA (verifying, authorization and accounting) server is mobile terminal user
A PGW access is selected, after can guaranteeing that user switches in this way, the same PGW is still anchored on, to guarantee user still
Using same IP address, and then realize the seamless switching between LTE network and eHRPD network.
However, in the implementation of the present invention, inventors have found that in real network wireless environment be it is ever-changing,
There is the scene of many exceptions, cause user conversation ossified in the performance of handoffs of mobile terminal there is also difference.Such as:
In a wherein scene, when mobile terminal switches from LTE network to eHRPD network, due to wireless environment
It is unstable, or since the performance of handoffs of mobile terminal is poor, cause switching abnormal and then handover failure, at this moment user has been
It is moved under the eHRPD network environment of no 4G network coverage, mobile terminal can initiate initial attachment, HSGW from eHRPD network
A PGW access is reselected for the mobile terminal user.But mobile terminal should on the former PGW that LTE network accesses at this time
The 4G session of user always exists, and can not discharge, ossified so as to form session；
In another scene, when the 4G network signal of mobile terminal is lost, directly from CDMA20001x EV-DO (EV-
DO/DO, Evolution-Data Optimized)/1x network insertion, pass through PDSN (Packet Data Serving Node, packet data service
Node) online, the former PGW session that mobile terminal access in LTE network at this time there are still and can not discharge, so that it is stiff to form session
Extremely.
Mobile terminal session on the former PGW that LTE network accesses is ossified not only can IP address money on serious waste original PGW
Source, the problem of also bringing repetition ticket, former PGW and the PGW/PDSN newly accessed can be user's call list simultaneously, cause same
One moment can go out two tickets for the user, to form cross telephone bill, increase the expenses of surfing Internet of user, bring to operator
Complaint risk.And industry there is no solution in view of the above problems at present.
Summary of the invention
One technical problem to be solved by the embodiment of the invention is that: a kind of method for switching network and system, communication are provided
Equipment, to solve the technical problem that above two scene causes user conversation ossified on former PGW.
In order to solve the above technical problems, the one aspect of the embodiment of the present invention, a kind of method for switching network provided, packet
It includes:
Strategy receives the subscriber policy request that new Packet Service gateway is sent with charging rule functions PCRF equipment and disappears
It ceases, includes the address information of the new Packet Service gateway and the use of mobile terminal user in the subscriber policy request message
Family identification information；The new Packet Service gateway is what the mobile terminal switched from former communication network to new communications network
The Packet Service gateway in the new communications network of access is requested in the process；
PCRF equipment according to the user identity information of mobile terminal user, obtained from pre-stored user information described in
The presence information of mobile terminal user, and it is described mobile whole according to the identification of the presence information of the mobile terminal user
Whether end subscriber is currently online；
If the mobile terminal user is currently online, PCRF equipment obtains the movement from pre-stored user information
The address information for the former Packet Service gateway of terminal user accessed, and the former Packet Service gateway
Whether address is consistent with the address of the new Packet Service gateway；
If the address of former Packet Service gateway and the address of new Packet Service gateway are inconsistent, PCRF equipment is asked
The former Packet Service gateway is asked to discharge the session of the mobile terminal user, and in the former Packet Service gateway
After the session for discharging the mobile terminal user, the use of the mobile terminal user is returned to the new Packet Service gateway
Family control strategy information, so that the mobile terminal accesses the new communications network by the new Packet Service gateway.
In another embodiment based on the above method of the present invention, the movement is returned to the new Packet Service gateway
After the user's control policy information of terminal user, further includes:
PCRF equipment by the address information of the former Packet Service gateway of mobile terminal user described in user information more
It is newly the address information of the new Packet Service gateway.
In another embodiment based on the above method of the present invention, PCRF equipment receives mobile terminal in network switching process
Before the subscriber policy request message that the new Packet Service gateway of request access is sent, further includes:
The mobile terminal initiates new communications network access request to high-rate packet data services gateway HSGW, described new
Access request type in communication network access request is initial attachment；
HSGW identifies that the access request type in new communications network access request is initial attachment, passes through preset strategy weight
Newly select one Packet Service gateway as the new Packet Service gateway for the mobile terminal, and to it is described newly
Packet Service gateway initiates binding update request, and the binding updates the user in request including the mobile terminal user
Mark；
New Packet Service gateway is sent out by the initial CCR-I message of the first credit control request-to the PCRF equipment
Send the subscriber policy request message.
In another embodiment based on the above method of the present invention, PCRF equipment is first especially by the first Credit Control Answer-
Beginning CCA-I message returns to the user's control policy information of the mobile terminal user to the new Packet Service gateway；
After the user's control policy information for returning to the mobile terminal user to the new Packet Service gateway, also
Include:
The new Packet Service gateway for the mobile terminal user establishes packet data protocol PDP session and to institute
It states mobile terminal user and distributes IP address, and feed back the successful response message of PDP session establishment, institute to mobile management entity MME
Stating includes the first IP address information distributed for the mobile terminal user in the successful response message of PDP session establishment；
The mobile terminal accesses the new communications network using first IP address.
In another embodiment based on the above method of the present invention, the mobile terminal initiates new communications network access to HSGW
Before request, further includes:
The mobile terminal sends the request of PDP session establishment to former Packet Service gateway, and the PDP session establishment is asked
It include the user identity information of the mobile terminal user in asking；
The original Packet Service gateway initiates the 2nd CCR-I message to the PCRF equipment, and the 2nd CCR-I disappears
The address information of user identity information and the former Packet Service gateway in breath including the mobile terminal user；
The PCRF equipment issues the user's control to the former Packet Service gateway by the 2nd CCA-I message
Policy information, and record the presence information of the mobile terminal user and the address letter of the former Packet Service gateway
It ceases, the presence in the presence information is online；
The original Packet Service gateway is that the mobile terminal user establishes PDP session and uses to the mobile terminal
IP address is distributed at family, and feeds back the successful response message of PDP session establishment to MME, and the PDP session establishment, which successfully responds, to disappear
It include the second IP address information that former Packet Service gateway is mobile terminal user distribution in breath；
The mobile terminal accesses former communication network using second IP address.
In another embodiment based on the above method of the present invention, the new communications network is specially to enhance high speed packet data
EHRPD network, the new Packet Service gateway is specially packet data network gateway PGW；Or
The new communications network is specially Evolution-Data Optimized EV-DO network, and the new Packet Service gateway is specific
For packet data serving node PDSN.
In another embodiment based on the above method of the present invention, the original communication network includes long term evolution LTE network, institute
Stating former Packet Service gateway is specially PGW.
The other side of the embodiment of the present invention, a kind of communication equipment provided, comprising:
Storage unit, for the user information of memory mobile terminal user, the presence letter including mobile terminal user
The address information of breath and the Packet Service gateway of mobile terminal user's access；
Receiving unit, the subscriber policy request message sent for receiving new Packet Service gateway, the subscriber policy
The user identity information of address information and mobile terminal user in request message including the new Packet Service gateway；Institute
Stating new Packet Service gateway is to request to connect during the mobile terminal switches from former communication network to new communications network
Packet Service gateway in the new communications network entered；
Recognition unit, for the user identity information according to mobile terminal user, from the user information described in acquisition
The presence information of mobile terminal user, and it is described mobile whole according to the identification of the presence information of the mobile terminal user
Whether end subscriber is currently online；If the mobile terminal user is currently online, obtained from the user information described mobile whole
The address information for the former Packet Service gateway of end subscriber accessed, and the ground of the former Packet Service gateway
Whether location is consistent with the address of the new Packet Service gateway；
Service Processing Unit, for the recognition result according to recognition unit, if the address of former Packet Service gateway with
The address of new Packet Service gateway is inconsistent, and the former Packet Service gateway is requested to discharge the mobile terminal user
Session；
Transmission unit, for after the former Packet Service gateway discharges the session of the mobile terminal user, to
The new Packet Service gateway returns to the user's control policy information of the mobile terminal user, so as to the mobile terminal
The new communications network is accessed by the new Packet Service gateway.
In another embodiment based on the above-mentioned communication equipment of the present invention, the transmission unit is also used in the former grouping
After Service Gateway equipment discharges the session of the mobile terminal user, the original of mobile terminal user described in user information is grouped
The address information of Service Gateway equipment is updated to the address information of the new Packet Service gateway.
In another embodiment based on the above-mentioned communication equipment of the present invention, the receiving unit is also used to receive described former point
The 2nd CCR-I message that Service Gateway equipment is sent is organized, includes the use of the mobile terminal user in the 2nd CCR-I message
The address information of family identification information and the former Packet Service gateway；
The transmission unit is also used to issue by the 2nd CCA-I message to the former Packet Service gateway described
User's control policy information, and record the presence information and the former Packet Service gateway of the mobile terminal user
Address information, the presence in the presence information is online.
In another embodiment based on the above-mentioned communication equipment of the present invention, the new communications network is specially eHRPD network, institute
Stating new Packet Service gateway is specially PGW；Or
The new communications network is specially EV-DO network, and the new Packet Service gateway is specially PDSN.
In another embodiment based on the above-mentioned communication equipment of the present invention, the original communication network includes LTE network, the original
Packet Service gateway is specially PGW.
The another aspect of the embodiment of the present invention, a kind of network switching system provided, comprising:
New Packet Service gateway is used for the Packet Service gateway of new communications network mobile terminal request access
During mobile terminal switches from former communication network to new communications network, subscriber policy request is sent to PCRF equipment and is disappeared
It ceases, includes the address information of the new Packet Service gateway and the use of mobile terminal user in the subscriber policy request message
Family identification information；And the session of the mobile terminal user is discharged according to the request of PCRF equipment；
PCRF equipment, for receiving the subscriber policy request message according to the user identity information of mobile terminal user,
The presence information of the mobile terminal user is obtained from pre-stored user information, and is used according to the mobile terminal
The presence information at family identifies whether the mobile terminal user is currently online；If the mobile terminal user is currently online,
The address for the former Packet Service gateway of the mobile terminal user accessed is obtained from pre-stored user information
Information, and the address of the former Packet Service gateway and the address of the new Packet Service gateway whether one
It causes；And if the address of former Packet Service gateway and the address of new Packet Service gateway it is inconsistent, request the original
Packet Service gateway discharges the session of the mobile terminal user, and described in the former Packet Service gateway release
After the session of mobile terminal user, the user's control plan of the mobile terminal user is returned to the new Packet Service gateway
Slightly information, so that the mobile terminal accesses the new communications network by the new Packet Service gateway.
In another embodiment based on above system of the present invention, the PCRF equipment is specially any of the above-described implementation of the present invention
The communication equipment that example provides.
The method for switching network and system, communication equipment, PCRF equipment provided based on the above embodiment of the present invention is received
After the subscriber policy request message that new Packet Service gateway is sent, identify whether the mobile terminal user is currently online；If
Mobile terminal user is currently online, and the address of more former Packet Service gateway and the address of new Packet Service gateway are
It is no consistent；If the two is inconsistent, know that the original session of user is ossified, first requests former Packet Service gateway release
The session of mobile terminal user, after the session of former Packet Service gateway release mobile terminal user, just to new grouping industry
Gateway of being engaged in returns to the user's control policy information of mobile terminal user, thus solve the ossified technical problem of session, this
Inventive embodiments can solve mobile terminal causes user from eHRPD from LTE network to the switching of eHRPD network handoff procedure is abnormal
The user conversation that network initially adheres to, user 4G dropout directly will lead to from EV-DO network insertion both scenes exists
Ossified technical problem on former PGW avoids waste and network billing due to the ossified caused IP address resource of above-mentioned session
Dispute.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Detailed description of the invention
The attached drawing for constituting part of specification describes the embodiment of the present invention, and together with description for explaining
The principle of the present invention.
The present invention can be more clearly understood according to following detailed description referring to attached drawing, in which:
Fig. 1 is the flow chart of inventive network switching method one embodiment.
Fig. 2 is the flow chart of another embodiment of inventive network switching method.
Fig. 3 is the structural schematic diagram of communication equipment one embodiment of the present invention.
Fig. 4 is the structural schematic diagram of inventive network switching system one embodiment.
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should also be noted that unless in addition having
Body explanation, the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
Simultaneously, it should be appreciated that for ease of description, the size of various pieces shown in attached drawing is not according to reality
Proportionate relationship draw.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention
And its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, the other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
Handoff procedure switching of the mobile terminal user from LTE network to eHRPD network is abnormal to cause user from eHRPD network
Initial attachment, user 4G dropout directly will lead to user conversation from EV-DO network insertion both scenes and connect originally
Ossified on the PGW entered, PGW/PDSN that at this moment user newly accesses and the former PGW originally accessed can exist simultaneously user conversation, together
When for user generate ticket.Internet resources are not only wasted in this way, but also are easy to bring charging dispute.Industry there is no very well at present
Solution, which can solve, leads to the ossified problem of 3G/4G user conversation by both the above scene, and the embodiment of the present invention can be thorough
Solve the problems, such as that the 3G/4G user conversation as caused by above-mentioned abnormal conditions is ossified.
Fig. 1 is the flow chart of inventive network switching method one embodiment.As shown in Figure 1, the network of the embodiment is cut
The method of changing includes:
110, PCRF equipment receive the subscriber policy request message that new Packet Service gateway is sent, which asks
Ask the address information in message including new Packet Service gateway and the user identity information of mobile terminal user.
New Packet Service gateway therein is the process that mobile terminal switches from former communication network to new communications network
Packet Service gateway in the new communications network of middle request access.One mobile terminal of user identifier unique identification therein
User, such as IMSI (international mobile subscriber identity), MDN (phone number) etc..
120, PCRF equipment are according to the user identity information in subscriber policy request message, from pre-stored user information
The middle presence information for obtaining corresponding mobile terminal user, and should according to the identification of the presence information of the mobile terminal user
Whether mobile terminal user is currently online.
If mobile terminal user is currently online, 130 operation is executed, otherwise, does not execute the subsequent operation of the present embodiment.
130, PCRF equipment obtain the former grouping of the mobile terminal user accessed from pre-stored user information
The address information of Service Gateway equipment, and compare new in the address and subscriber policy request message of the original Packet Service gateway
Whether the address of Packet Service gateway is consistent.
If the address of former Packet Service gateway and the address of new Packet Service gateway are inconsistent, 140 are executed
Operation, otherwise, does not execute the subsequent operation of the present embodiment.
140, PCRF device request original Packet Service gateways discharge the session of mobile terminal user, and are grouped industry in original
After the session of gateway of being engaged in release mobile terminal user, the user of mobile terminal user is returned to new Packet Service gateway
Control strategy information is accessed so as to mobile terminal by new Packet Service gateway new where new Packet Service gateway
Communication network.
Based on the method for switching network that the above embodiment of the present invention provides, PCRF equipment receives new Packet Service gateway and sets
After the subscriber policy request message that preparation is sent, identify whether the mobile terminal user is currently online；If mobile terminal user is current
Online, whether the address of more former Packet Service gateway is consistent with the address of new Packet Service gateway；If the two is not
Unanimously, then know that the original session of user is ossified, first request former Packet Service gateway release mobile terminal user's
Session, after the session of former Packet Service gateway release mobile terminal user, Cai Xiangxin Packet Service gateway is returned
The user's control policy information of mobile terminal user, to solve the ossified technical problem of session, the embodiment of the present invention can be with
Solution mobile terminal switches from LTE network to eHRPD network handoff procedure causes user initially to adhere to from eHRPD network extremely,
The user conversation that user 4G dropout directly will lead to from EV-DO network insertion both scenes is ossified on former PGW
Technical problem avoids waste and network billing dispute due to the ossified caused IP address resource of above-mentioned session.
In the further embodiment based on aforementioned present invention method for switching network, in operation 140, PCRF equipment Xiang Xinfen
It, can also be by shifting above-mentioned in user information after group Service Gateway equipment returns to the user's control policy information of mobile terminal user
The address information of the former Packet Service gateway of dynamic terminal user is updated in subscriber policy request message new Packet Service net
Close the address information of equipment.
In another embodiment of inventive network switching method, before operation 110 shown in Fig. 1, further includes:
Mobile terminal initiates new communications network access request to HSGW, the access request in the new communications network access request
Type is initial attachment；
HSGW identifies that the access request type in new communications network access request is initial attachment, passes through preset strategy weight
Newly select a Packet Service gateway as new Packet Service gateway for mobile terminal, and to the new Packet Service net
It closes equipment and initiates binding update request, binding updates the user identifier in request including the mobile terminal user；
New Packet Service gateway is sent by the first CCR-I (credit control request-is initial) message to PCRF equipment
Subscriber policy request message.
In another embodiment of inventive network switching method, in operation 140, PCRF equipment specifically can be by the
One CCA-I (Credit Control Answer-is initial) message returns to the user's control of mobile terminal user to new Packet Service gateway
Policy information.Correspondingly, can also include following operation after operation 140:
New Packet Service gateway is that mobile terminal user establishes PDP (packet data protocol) session and to movement end
End subscriber distributes IP address, and feeds back binding update response to HSGW, and it includes for mobile terminal user which, which updates in response,
First IP address information of distribution；
Mobile terminal accesses new communications network using first IP address.
In another embodiment of inventive network switching method, new communications network is initiated to HSGW in mobile terminal and is connect
Before entering request, can also include:
Mobile terminal sends the request of PDP session establishment to former Packet Service gateway, wraps in PDP session establishment request
Include the user identity information of mobile terminal user；
Former Packet Service gateway initiates the 2nd CCR-I message to PCRF equipment, includes moving in the 2nd CCR-I message
The address information of the user identity information of dynamic terminal user and former Packet Service gateway；
PCRF equipment issues user's control policy information to former Packet Service gateway by the 2nd CCA-I message, and
Record the presence information of mobile terminal user and the address information of former Packet Service gateway, presence letter therein
Presence in breath is online；
Former Packet Service gateway is that mobile terminal user establishes PDP session and distributes IP to mobile terminal user
Location, and the successful response message of PDP session establishment is fed back to MME, it include former point in the successful response message of PDP session establishment
Group Service Gateway equipment is the second IP address information of mobile terminal user's distribution；
Mobile terminal accesses former communication network using the second IP address.
According to the present invention a specific example of above-mentioned each inventive network switching method embodiment rather than limit, original communication
Network can include but is not limited to LTE network, and when former communication network is LTE network, former Packet Service gateway is specially
PGW。
According to the present invention another specific example of above-mentioned each inventive network switching method embodiment rather than limit, it is new logical
Communication network can include but is not limited to eHRPD network or EV-DO network.When new communications network is eHRPD network, new Packet Service
Gateway is specially PGW；When new communications network is EV-DO network, new Packet Service gateway is specially PDSN (packet count
According to service node).
Fig. 2 is the flow chart of another embodiment of inventive network switching method.The embodiment is LTE with former communication network
Network, new communications network be eHRPD network for, the various embodiments described above of the present invention are further described.As shown in Fig. 2,
The embodiment includes:
210, MME of the mobile terminal into LTE network sends LTE network attach request, this network attachment is in the present invention
It is initially to adhere in embodiment.
220, the MME former PGW accessed when adhering to for mobile terminal user selection is initial simultaneously send PDP session to former PGW
Request is established, including the user identity information of mobile terminal user.
230, former PGW establish IP-CAN (IP connection access net) session to the transmission of PCRF equipment by the 2nd CCR-I message
It requests, includes address information of the user identity information with original PGW of mobile terminal user in the 2nd CCR-I message, in addition
It is also an option that property record by network attachment request, PDP session establishment request, the 2nd CCR-I message carry mobile end
IP address, location information of end subscriber etc..
240, PCRF equipment issue the user's control strategy of the mobile terminal user by the 2nd CCA-I message to former PGW
Information, and the presence information of the mobile terminal user and the address information of original PGW are recorded, in presence information therein
Presence be online.
250, former PGW are that the mobile terminal user establishes PDP session and distributes IP address to it, and feeds back PDP meeting to MME
The response message being successfully established is talked about, includes that original PGW divides for the mobile terminal user in the successful response message of PDP session establishment
The IP address matched (indicates are as follows: the second IP address) information.
260, mobile terminal accesses LTE network using the second IP address, and user adheres to the success of 4G LTE network.
The mobile terminal user is moved to the weaker region of the 4G network coverage, and mobile terminal determines to switch to eHRPD network,
But cause network switching abnormal since wireless environment deterioration or mobile terminal are abnormal in network switching process.Due to network
Switching is abnormal, so the still in store mobile terminal user's session of original PGW.
270, mobile terminal sends eHRPD network access request to HSGW and initiates VSNCP (Vendor Specific
Network Control Protocol, the Network Control Protocol that equipment vendor defines) negotiate IP address process, the eHRPD network
Access request type in access request is initial attachment.
280, HSGW identify that the access request type in eHRPD network access request is that when initially adhering to, will not use
The address PGW that 3GPP AAA is issued, but by preset strategy, such as according to DNS query result (that is: according to domain name in EPC
Equipment addressing system) and certain selection strategy, a PGW is selected for the mobile terminal again, HSGW may be selected at this time
One new PGW (indicates are as follows: new PGW) access, and initiates binding to the new PGW and update request, requests new PGW for the user point
With address, session is established, which updates the user identifier in request including the mobile terminal user, in addition it can selectivity
Ground includes MN-NAI (mobile code-access mark), handover Indicator (switching mark), PCO (protocol configuration option)
The information such as parameter.
290, new PGW send subscriber policy request message to PCRF equipment by the first CCR-I message, which asks
Ask the address information in message including new PGW and the user identity information of mobile terminal user.
300, PCRF equipment are according to the user identity information in subscriber policy request message, from pre-stored user information
The middle presence information for obtaining corresponding mobile terminal user, and should according to the identification of the presence information of the mobile terminal user
Whether mobile terminal user is currently online.
If the mobile terminal user is currently online, 310 operation is executed.Otherwise, if mobile terminal user's present offline,
The process for executing existing mobile terminal access eHRPD network, does not execute the follow-up process of the embodiment of the present invention.
310, PCRF equipment obtain the former PGW's of the mobile terminal user accessed from pre-stored user information
Address information, and whether compare the address of original PGW consistent with the address of new PGW in the subscriber policy request message that receives.
If the address of original PGW and the address of new PGW are inconsistent, session of the user on former PGW is ossified, executes
320 operation.Otherwise, if the address of original PGW is consistent with the address of new PGW, existing mobile terminal access eHRPD network is executed
Process does not execute the follow-up process of the embodiment of the present invention.
320, PCRF equipment send CCR-T (credit control request-termination) message to former PGW, and request original PGW release should
The session of mobile terminal user.
330, former PGW discharge the session of the mobile terminal user and return to CCA-T (Credit Control Answer-to PCRF equipment
Terminate) message.
340, PCRF equipment return to the user's control strategy letter of mobile terminal user by the first CCA-I message to new PGW
Breath.
350, new PGW be mobile terminal user establish PDP session and to the mobile terminal user distribute IP address, and to
HSGW feedback binding updates response, and it includes (indicating are as follows: the in response for the IP address of mobile terminal user's distribution which, which updates,
One IP address) information.
It is distributed between 360, HSGW and mobile terminal by the IP address that VSNCP completes mobile terminal, mobile terminal uses
First IP address accesses eHRPD network.
In the embodiment of the present invention, no matter user can to PCRF be set from HRPD network, eHRPD network, LTE network access
Preparation send CCR message, therefore retains the presence information of user on PCRF.When the online feelings of PCRF equipment discovery user
Under condition, and when receiving the CCR-I request that new PGW is sent, it is believed that the original session of the user is ossified, in PCRF equipment
Increase judgment mechanism, if it is determined that the phenomenon that user has session ossified, then initiate the release of source resource, first requests original PGW release
The user conversation is learnt and replys the user that CCA-I returns to user to new PGW again after the session of the user on former PGW has been removed
Control strategy information, to solve the problems, such as that the session on former PGW is ossified.
Fig. 3 is the structural schematic diagram of communication equipment one embodiment of the present invention.The communication equipment of the embodiment can be used as
PCRF equipment realizes the corresponding function of PCRF equipment in the above-mentioned each method for switching network embodiment of the present invention.As shown in figure 3, should
The communication equipment of embodiment includes storage unit, receiving unit, recognition unit, Service Processing Unit and transmission unit.Wherein:
Storage unit, for the user information of memory mobile terminal user, the presence letter including mobile terminal user
The address information of breath and the Packet Service gateway of mobile terminal user's access.
Receiving unit, the subscriber policy request message sent for receiving new Packet Service gateway, the subscriber policy
The user identity information of address information and mobile terminal user in request message including new Packet Service gateway；It is therein
New Packet Service gateway is to request the new of access during mobile terminal switches from former communication network to new communications network
Packet Service gateway in communication network.Illustratively, in the embodiment of the present invention, former communication network may include but unlimited
In LTE network, when former communication network is LTE network, former Packet Service gateway is specially PGW.New communications network can wrap
Include but be not limited to eHRPD network or EV-DO network.When new communications network is eHRPD network, new Packet Service gateway is specific
For PGW；When new communications network is EV-DO network, new Packet Service gateway is specially PDSN.
Recognition unit, for the user identity information according to mobile terminal user in subscriber policy request message, from storage
The presence information of the mobile terminal user is obtained in user information in unit, and according to the online of the mobile terminal user
Status information identifies whether mobile terminal user is currently online；If mobile terminal user is currently online, obtained from user information
The address information for the former Packet Service gateway of mobile terminal user accessed, and more former Packet Service gateway
Whether address is consistent with the address of new Packet Service gateway.
Service Processing Unit, for the recognition result according to recognition unit, if the address of former Packet Service gateway with
The address of new Packet Service gateway is inconsistent, requests the session of former Packet Service gateway release mobile terminal user.
Transmission unit, for being grouped industry to new after the session of former Packet Service gateway release mobile terminal user
Gateway of being engaged in returns to the user's control policy information of mobile terminal user, so that mobile terminal is set by new Packet Service gateway
The standby new communications network accessed where new Packet Service gateway.
Based on the communication equipment that the above embodiment of the present invention provides, the user that new Packet Service gateway is sent is received
After policy request message, identify whether the mobile terminal user is currently online；If mobile terminal user is currently online, more former point
Whether the address of group Service Gateway equipment is consistent with the address of new Packet Service gateway；If the two is inconsistent, use is known
The original session in family is ossified, first requests the session of former Packet Service gateway release mobile terminal user, is grouped in original
After Service Gateway equipment discharges the session of mobile terminal user, Cai Xiangxin Packet Service gateway returns to mobile terminal user's
User's control policy information, to solve the ossified technical problem of session, the embodiment of the present invention can solve mobile terminal from
LTE network switches to eHRPD network handoff procedure causes user initially to adhere to from eHRPD network extremely, user's 4G dropout
The user conversation that directly will lead to from EV-DO network insertion both scenes technical problem ossified on former PGW, avoids
Due to the waste and network billing dispute of the ossified caused IP address resource of above-mentioned session.
In another embodiment of communication equipment of the present invention, transmission unit can also be used in former Packet Service gateway
After the session for discharging mobile terminal user, by the address of the former Packet Service gateway of the mobile terminal user in user information
Information update is the address information of new Packet Service gateway.
In another embodiment of communication equipment of the present invention, receiving unit, which can also be used to receiving former Packet Service gateway, to be set
The 2nd CCR-I message that preparation is sent, include in the 2nd CCR-I message mobile terminal user user identity information and former grouping industry
The address information for gateway of being engaged in.Correspondingly, transmission unit can also be used in through the 2nd CCA-I message to former Packet Service gateway
Equipment issues user's control policy information, and records the presence information and former Packet Service gateway of mobile terminal user
Address information, wherein the presence in presence information is specially online.
Fig. 4 is the structural schematic diagram of inventive network switching system one embodiment.The network switching system of the embodiment
It can be used for realizing the process of the above-mentioned each method for switching network embodiment of the present invention.As shown in figure 4, the embodiment system includes new point
Group Service Gateway equipment and PCRF equipment.Wherein:
New Packet Service gateway is used for the Packet Service gateway of new communications network mobile terminal request access
During mobile terminal switches from former communication network to new communications network, subscriber policy request is sent to PCRF equipment and is disappeared
It ceases, includes the address information of new Packet Service gateway and user's mark of mobile terminal user in the subscriber policy request message
Know information；And the session of the request release mobile terminal user according to PCRF equipment.
PCRF equipment, for receiving subscriber policy request message according to the user identity information of mobile terminal user, from pre-
It obtains the presence information of above-mentioned mobile terminal user in the user information first stored, and is existed according to the mobile terminal user
Line status information identifies whether mobile terminal user is currently online；If mobile terminal user is currently online, from pre-stored use
The address information for the former Packet Service gateway of the mobile terminal user accessed, and more former grouping are obtained in the information of family
Whether the address of Service Gateway equipment is consistent with the address of new Packet Service gateway；And if former Packet Service gateway
Address and new Packet Service gateway address it is inconsistent, request former Packet Service gateway to discharge mobile terminal user
Session, and former Packet Service gateway release mobile terminal user session after, returned to new Packet Service gateway
The user's control policy information of mobile terminal user is returned, so that mobile terminal accesses new grouping by new Packet Service gateway
New communications network where Service Gateway equipment.Specifically, it is based on communication equipment shown in Fig. 3 to the PCRF equipment property of can be exemplified
Structure realize.
Based on the network switching system that the above embodiment of the present invention provides, PCRF equipment receives new Packet Service gateway and sets
After the subscriber policy request message that preparation is sent, identify whether the mobile terminal user is currently online；If mobile terminal user is current
Online, whether the address of more former Packet Service gateway is consistent with the address of new Packet Service gateway；If the two is not
Unanimously, then know that the original session of user is ossified, first request former Packet Service gateway release mobile terminal user's
Session, after the session of former Packet Service gateway release mobile terminal user, Cai Xiangxin Packet Service gateway is returned
The user's control policy information of mobile terminal user, to solve the ossified technical problem of session, the embodiment of the present invention can be with
Solution mobile terminal switches from LTE network to eHRPD network handoff procedure causes user initially to adhere to from eHRPD network extremely,
The user conversation that user 4G dropout directly will lead to from EV-DO network insertion both scenes is ossified on former PGW
Technical problem avoids waste and network billing dispute due to the ossified caused IP address resource of above-mentioned session.
Illustratively, in the embodiment of the present invention, former communication network can include but is not limited to LTE network, former communication network
When for LTE network, former Packet Service gateway is specially PGW.New communications network can include but is not limited to eHRPD network or
EV-DO network.When new communications network is eHRPD network, new Packet Service gateway is specially PGW；New communications network is EV-
When DO network, new Packet Service gateway is specially PDSN.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above method embodiment can pass through
The relevant hardware of program instruction is completed, and program above-mentioned can be stored in a computer readable storage medium, the program
When being executed, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned includes: ROM, RAM, magnetic disk or light
The various media that can store program code such as disk.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with its
The difference of its embodiment, the same or similar part cross-reference between each embodiment.For system embodiment
For, since it is substantially corresponding with embodiment of the method, so being described relatively simple, referring to the portion of embodiment of the method in place of correlation
It defends oneself bright.
Method, apparatus and system of the invention may be achieved in many ways.For example, software, hardware, firmware can be passed through
Or any combination of software, hardware, firmware realizes method, apparatus and system of the invention.The step of for the method
Said sequence merely to be illustrated, the step of method of the invention, is not limited to sequence described in detail above, unless with
Other way illustrates.In addition, in some embodiments, also the present invention can be embodied as to record journey in the recording medium
Sequence, these programs include for realizing machine readable instructions according to the method for the present invention.Thus, the present invention also covers storage and uses
In the recording medium for executing program according to the method for the present invention.
The embodiment of the present invention only needs to do function upgrading to PCRF equipment when being embodied, when user accesses for the first time
CCR request is initiated to PCRF equipment by PGW, PCRF equipment records user's online information, when user switched in CDMA/LTE
Journey is abnormal or other abnormal conditions cause user to establish session from new PGW again when not discharging old session
When, PCRF equipment judges that user is online, and then thinks that user is ossified in original PGW session, then initiates RAR to former PGW
(Re-Auth-Request, re-authorization request) message is taken out stitches, to solve the problems, such as that user conversation is ossified.
Description of the invention is given for the purpose of illustration and description, and is not exhaustively or will be of the invention
It is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.It selects and retouches
It states embodiment and is to more preferably illustrate the principle of the present invention and practical application, and those skilled in the art is enable to manage
The solution present invention is to design various embodiments suitable for specific applications with various modifications.
Claims (14)
1. a kind of method for switching network characterized by comprising
Strategy receives the subscriber policy request message that new Packet Service gateway is sent with charging rule functions PCRF equipment, should
User's mark of address information and mobile terminal user in subscriber policy request message including the new Packet Service gateway
Know information；The new Packet Service gateway is the process that the mobile terminal switches from former communication network to new communications network
Packet Service gateway in the new communications network of middle request access；
PCRF equipment obtains the movement according to the user identity information of mobile terminal user from pre-stored user information
The presence information of terminal user, and identify that the mobile terminal is used according to the presence information of the mobile terminal user
Whether family is currently online；
If the mobile terminal user is currently online, PCRF equipment obtains the mobile terminal from pre-stored user information
The address information for the former Packet Service gateway of user accessed, and the address of the former Packet Service gateway
It is whether consistent with the address of the new Packet Service gateway；
If the address of former Packet Service gateway and the address of new Packet Service gateway are inconsistent, PCRF device request institute
The session that former Packet Service gateway discharges the mobile terminal user is stated, and is discharged in the former Packet Service gateway
After the session of the mobile terminal user, user's control of the mobile terminal user is returned to the new Packet Service gateway
Policy information processed, so that the mobile terminal accesses the new communications network by the new Packet Service gateway.
2. the method according to claim 1, wherein returning to the movement to the new Packet Service gateway
After the user's control policy information of terminal user, further includes:
The address information of the former Packet Service gateway of mobile terminal user described in user information is updated to by PCRF equipment
The address information of the new Packet Service gateway.
3. method according to claim 1 or 2, which is characterized in that PCRF equipment receives mobile terminal in network switching mistake
Before the subscriber policy request message for requesting the new Packet Service gateway of access to send in journey, further includes:
The mobile terminal initiates new communications network access request, the new traffic to high-rate packet data services gateway HSGW
Access request type in network insertion request is initial attachment；
HSGW identifies that the access request type in new communications network access request is initial attachment, is again by preset strategy
The mobile terminal selects a Packet Service gateway as the new Packet Service gateway, and to the new grouping
Service Gateway equipment initiates binding update request, and the binding updates the user in request including the mobile terminal user and marks
Know；
New Packet Service gateway sends institute to the PCRF equipment by the initial CCR-I message of the first credit control request-
State subscriber policy request message.
4. according to the method described in claim 3, it is characterized in that, PCRF equipment is first especially by the first Credit Control Answer-
Beginning CCA-I message returns to the user's control policy information of the mobile terminal user to the new Packet Service gateway；
After the user's control policy information for returning to the mobile terminal user to the new Packet Service gateway, also wrap
It includes:
The new Packet Service gateway is that the mobile terminal user establishes packet data protocol PDP session and to the shifting
Dynamic terminal user distributes IP address, and feeds back the successful response message of PDP session establishment, the PDP to mobile management entity MME
It include the first IP address information for mobile terminal user distribution in the successful response message of session establishment；
The mobile terminal accesses the new communications network using first IP address.
5. according to the method described in claim 3, it is characterized in that, the mobile terminal initiates new communications network access to HSGW
Before request, further includes:
The mobile terminal sends PDP session establishment to former Packet Service gateway and requests, in the PDP session establishment request
User identity information including the mobile terminal user；
The original Packet Service gateway initiates the 2nd CCR-I message to the PCRF equipment, in the 2nd CCR-I message
The address information of user identity information and the former Packet Service gateway including the mobile terminal user；
The PCRF equipment issues the user's control strategy to the former Packet Service gateway by the 2nd CCA-I message
Information, and the presence information of the mobile terminal user and the address information of the former Packet Service gateway are recorded,
Presence in the presence information is online；
The original Packet Service gateway is that the mobile terminal user establishes PDP session and divides to the mobile terminal user
The successful response message of PDP session establishment is fed back with IP address, and to MME, in the successful response message of PDP session establishment
It is the second IP address information of mobile terminal user distribution including former Packet Service gateway；
The mobile terminal accesses former communication network using second IP address.
6. method according to claim 1 or 2, which is characterized in that the new communications network is specially to enhance high-speed packet
Data eHRPD network, the new Packet Service gateway is specially packet data network gateway PGW；Or
The new communications network is specially Evolution-Data Optimized EV-DO network, and the new Packet Service gateway is specially point
Group data serving node PDSN.
7. method according to claim 1 or 2, which is characterized in that the original communication network includes long term evolution LTE net
Network, the original Packet Service gateway is specially PGW.
8. a kind of communication equipment characterized by comprising
Storage unit, for the user information of memory mobile terminal user, presence information including mobile terminal user and
The address information of the Packet Service gateway of mobile terminal user's access；
Receiving unit, the subscriber policy request message sent for receiving new Packet Service gateway, subscriber policy request
The user identity information of address information and mobile terminal user in message including the new Packet Service gateway；It is described new
Packet Service gateway is request access during the mobile terminal switches from former communication network to new communications network
Packet Service gateway in new communications network；
Recognition unit obtains the movement for the user identity information according to mobile terminal user from the user information
The presence information of terminal user, and identify that the mobile terminal is used according to the presence information of the mobile terminal user
Whether family is currently online；If the mobile terminal user is currently online, the mobile terminal is obtained from the user information and is used
The address information of the former Packet Service gateway accessed at family, and the address of the former Packet Service gateway with
Whether the address of the new Packet Service gateway is consistent；
Service Processing Unit, for the recognition result according to recognition unit, if the address of former Packet Service gateway and new point
The address of group Service Gateway equipment is inconsistent, and the former Packet Service gateway is requested to discharge the meeting of the mobile terminal user
Words；
Transmission unit, for after the former Packet Service gateway discharges the session of the mobile terminal user, Xiang Suoshu
New Packet Service gateway returns to the user's control policy information of the mobile terminal user, so that the mobile terminal passes through
The new Packet Service gateway accesses the new communications network.
9. communication equipment according to claim 8, which is characterized in that the transmission unit is also used in the former grouping
After Service Gateway equipment discharges the session of the mobile terminal user, the original of mobile terminal user described in user information is grouped
The address information of Service Gateway equipment is updated to the address information of the new Packet Service gateway.
10. communication equipment according to claim 8 or claim 9, which is characterized in that the receiving unit is also used to receive described
The 2nd CCR-I message that former Packet Service gateway is sent includes the mobile terminal user in the 2nd CCR-I message
User identity information and the former Packet Service gateway address information；
The transmission unit is also used to issue the user to the former Packet Service gateway by the 2nd CCA-I message
Control strategy information, and record the presence information of the mobile terminal user and the ground of the former Packet Service gateway
Location information, the presence in the presence information is online.
11. communication equipment according to claim 8 or claim 9, which is characterized in that the new communications network is specially eHRPD net
Network, the new Packet Service gateway is specially PGW；Or
The new communications network is specially EV-DO network, and the new Packet Service gateway is specially PDSN.
12. communication equipment according to claim 8 or claim 9, which is characterized in that the original communication network includes LTE network, institute
Stating former Packet Service gateway is specially PGW.
13. a kind of network switching system characterized by comprising
New Packet Service gateway is used for for the Packet Service gateway of new communications network mobile terminal request access
During mobile terminal switches from former communication network to new communications network, subscriber policy request message is sent to PCRF equipment,
The user of address information and mobile terminal user in the subscriber policy request message including the new Packet Service gateway
Identification information；And the session of the mobile terminal user is discharged according to the request of PCRF equipment；
PCRF equipment, for receiving the subscriber policy request message according to the user identity information of mobile terminal user, from pre-
The presence information of the mobile terminal user is obtained in the user information first stored, and according to the mobile terminal user's
Presence information identifies whether the mobile terminal user is currently online；If the mobile terminal user is currently online, from pre-
The address information for the former Packet Service gateway of the mobile terminal user accessed is obtained in the user information first stored,
And whether the address of the former Packet Service gateway is consistent with the address of the new Packet Service gateway；And
If the address of former Packet Service gateway and the address of new Packet Service gateway are inconsistent, the former Packet Service is requested
Gateway discharges the session of the mobile terminal user, and discharges the mobile terminal in the former Packet Service gateway
After the session of user, the user's control policy information of the mobile terminal user is returned to the new Packet Service gateway,
So that the mobile terminal accesses the new communications network by the new Packet Service gateway.
14. system according to claim 13, which is characterized in that the PCRF equipment is specially described in claim 8 or 9
Communication equipment.
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| CN110149669B (en) | 2018-02-13 | 2022-02-11 | 华为技术有限公司 | Method for controlling terminal to use wireless network and related equipment |
| CN110855785B (en) * | 2019-11-17 | 2022-08-09 | 广州荔支网络技术有限公司 | Data processing method and device |
| US11991525B2 (en) | 2021-12-02 | 2024-05-21 | T-Mobile Usa, Inc. | Wireless device access and subsidy control |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101374339A (en) * | 2007-08-21 | 2009-02-25 | 华为技术有限公司 | Method and system for releasing source network resource during the process of switching evolvement network |
| CN101541055A (en) * | 2008-03-17 | 2009-09-23 | 大唐移动通信设备有限公司 | Method for sending, deleting and updating gateway address of packet data network |
| CN101626611A (en) * | 2008-07-11 | 2010-01-13 | 华为技术有限公司 | Method, device and system for maintaining loading |
| CN102056143A (en) * | 2009-11-03 | 2011-05-11 | 中兴通讯股份有限公司 | Local IP access connection management method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140085606A (en) * | 2007-06-22 | 2014-07-07 | 인터디지탈 테크날러지 코포레이션 | Resource management for mobility between different wireless communications architectures |
-
2014
- 2014-12-30 CN CN201410840237.0A patent/CN105813152B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101374339A (en) * | 2007-08-21 | 2009-02-25 | 华为技术有限公司 | Method and system for releasing source network resource during the process of switching evolvement network |
| CN102387558A (en) * | 2007-08-21 | 2012-03-21 | 华为技术有限公司 | Method and system for releasing resource network resources in evolved network switching process |
| CN101541055A (en) * | 2008-03-17 | 2009-09-23 | 大唐移动通信设备有限公司 | Method for sending, deleting and updating gateway address of packet data network |
| CN101626611A (en) * | 2008-07-11 | 2010-01-13 | 华为技术有限公司 | Method, device and system for maintaining loading |
| CN102056143A (en) * | 2009-11-03 | 2011-05-11 | 中兴通讯股份有限公司 | Local IP access connection management method |
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