CN103747493B - Data service handling method, terminal, base station and mobile management entity - Google Patents

Data service handling method, terminal, base station and mobile management entity Download PDF

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Publication number
CN103747493B
CN103747493B CN201410040095.XA CN201410040095A CN103747493B CN 103747493 B CN103747493 B CN 103747493B CN 201410040095 A CN201410040095 A CN 201410040095A CN 103747493 B CN103747493 B CN 103747493B
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sim
network
base station
data service
terminal
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CN103747493A (en
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袁晓静
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China United Network Communications Group Co Ltd
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China United Network Communications Group Co Ltd
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Abstract

The present invention provides a kind of data service handling method, terminal, base station and mobile management entity, and method includes：When the 2G/3G network that cell after the first SIM execution circuit domain dropping CSFB in terminal, and falling is located does not support data service, whether the 2G/3G network that the second SIM in this terminal acquisition terminal is currently located cell possesses data services capability；If the 2G/3G network that the second SIM is currently located cell possesses data services capability, terminal carries, by the corresponding first base station of the second SIM place cell, the data service that the first SIM does not complete.The existing terminal of embodiment of the present invention effectively solving is during execution CSFB; because terminal falls back to 2G network or falls back in the cell not supporting data service of the edge zone of base station or cell in 3G network; the ps domain business of current execution need to be suspended or hang up, and then the low technical problem of the ps domain business execution efficiency that leads to.

Description

Data service handling method, terminal, base station and mobile management entity
Technical field
The present invention relates to information technology, more particularly, to a kind of data service handling method, terminal, base station and mobile management are real Body.
Background technology
Circuit domain dropping（Circuit Switched Fallback, CSFB）As Long Term Evolution（Long Term Evolution, LTE）The transitional scheme at network design initial stage, its process is to reside in LTE network in terminal to carry out packet friendship Change (Packet Switched Domain, ps domain) business（Data service）When, by circuit commutative field (Circuit Switched Domain, CS domain) business（Speech business）Fall back to 2G/3G network, using high coverage rate and the ripe technology of 2G/3G network Provide the user good Consumer's Experience.Meanwhile, if the network after falling after rise does not support PS business, then ongoing PS Service needed is suspended or hangs up, and switches back to LTE network and proceed PS business after terminal has executed CS business.
At present, the network selection strategy based on operator, supports that the terminal of LTE standard may be designated back when executing CS business Fall 2G network, and because 2G network mostly can not support data service, so terminal cannot proceed data industry after falling after rise Business；Or because terminal is in the edge zone of base station or cell in 3G network, cause the terminal meeting of being likely in areal Fall back under different cells, if terminal fall after rise cell do not support data service, then corresponding terminal after falling still no Method proceeds data service.
The terminal of above-mentioned LTE standard is during execution CSFB, if the network after falling after rise does not support PS business, PS industry Business execution efficiency will reduce.
Content of the invention
The present invention provides a kind of data service handling method, terminal, base station and mobile management entity, for solving existing end Hold during execution CSFB, because terminal falls back to 2G network or falls back to the edge zone of base station or cell in 3G network Do not support in the cell of data service, the ps domain business of current execution need to be suspended or hang up, and then the ps domain business leading to is held The low technical problem of line efficiency.
On the one hand, the embodiment of the present invention provides a kind of data service handling method, including：
The 2G/3G network that cell after the first SIM execution circuit domain dropping CSFB in terminal, and falling is located does not prop up When holding data service, described terminal is sent out to the corresponding first base station of described second SIM by the second SIM in described terminal Data services capability is sent to ask；Described data services capability asks to be currently located the 2G/ of cell for obtaining described second SIM The data services capability of 3G network；
Described terminal receives, by described second SIM, the data services capability response that described first base station returns, described Carry in data services capability response and identify described second SIM and be currently located the 2G/3G network of cell whether possess data industry First identification information of business ability；
If the 2G/3G network that described first identification information described second SIM of instruction is currently located cell possesses data industry Business ability, then described terminal by described second SIM to described first base station send data service handover request, described data Carry in business handover request and be cached with the second of the mobile management entity MME of data service that described first SIM does not complete Identification information and the 3rd identification information of described first SIM；
Described terminal is not completed by described first SIM that described second SIM receives described first base station transmission Data service；The data service that described first SIM does not complete is described first base station according to described data service handover request Carry from the caching of described MME side and obtain.
On the other hand, the embodiment of the present invention provides another kind of data service handling method, including：
Base station receiving terminal passes through the data services capability request that the second SIM in terminal sends；Described data service Capability requests are used for obtaining the data services capability of the 2G/3G network that described second SIM is currently located cell；
Described base station second SIM according to described data services capability request detection is currently located the 2G/3G of cell The data services capability of network；
Described base station sends data services capability response, described data service by described second SIM to described terminal Carry in capabilities response and identify described second SIM and be currently located the 2G/3G network of cell whether possess data services capability First identification information；
If the 2G/3G network that described first identification information described second SIM of instruction is currently located cell possesses data industry Business ability, then the data service handover request that described base station is sent by the described terminal of described second SIM reception；Described data The mobile management entity of the data service that the first SIM being cached with described terminal does not complete is carried in business handover request Second identification information of MME and the 3rd identification information of described first SIM；
Described base station sends data service switching command, described data industry according to described second identification information to described MME Described 3rd identification information is carried in business switching command；
Described base station carries the data service that described first SIM of caching in described MME does not complete, and by described the Two SIMs send the data service that described first SIM does not complete to described terminal.
On the other hand, the embodiment of the present invention provides another data service handling method, including：
Under the LTE network that the first SIM in terminal is located, corresponding mobile management entity MME is in described first SIM When the 2G/3G network that cell after execution circuit domain dropping CSFB, and falling is located does not support data service, receive described terminal The data service switching command that the base station that the second interior SIM is currently located under the 2G/3G network of cell sends, described data industry The 3rd identification information of described first SIM is carried in business switching command；
Described MME is according to described data service switching command, the data service that described first SIM of caching is not completed Switch to described base station, to indicate the data service that carrying described first SIM in described base station does not complete, and pass through described second SIM sends to described terminal.
On the other hand, the embodiment of the present invention provides a kind of terminal, including：
Sending module, is located for the cell after the first SIM execution circuit domain dropping CSFB in terminal, and falling When 2G/3G network does not support data service, described sending module is by the second SIM in described terminal to described 2nd SIM Block corresponding first base station and send data services capability request；Described data services capability is asked for obtaining described 2nd SIM Card is currently located the data services capability of the 2G/3G network of cell；
Receiver module, for the data services capability response that described first base station returns is received by described second SIM, Carry in the response of described data services capability and identify described second SIM and be currently located the 2G/3G network of cell whether possess number The first identification information according to professional ability；
Described sending module, if be additionally operable to described first identification information to indicate that described second SIM is currently located cell 2G/3G network possesses data services capability, then described sending module sends number by described second SIM to described first base station According to business handover request, carry in described data service handover request and be cached with the data service that described first SIM does not complete The second identification information of mobile management entity MME and described first SIM the 3rd identification information；
Described receiver module, is additionally operable to receive, by described second SIM, the described SIM that described first base station sends The data service that card does not complete；The data service that described first SIM does not complete is described first base station according to described data industry Business handover request carries from described MME side caches and obtains.
On the other hand, the embodiment of the present invention provides a kind of base station, including：
Receiver module, passes through the data services capability request that the second SIM in terminal sends for receiving terminal；Described Data services capability is asked for obtaining the data services capability that described second SIM is currently located the 2G/3G network of cell；
Processing module, is currently located cell for the second SIM according to described data services capability request detection The data services capability of 2G/3G network；
Sending module, for sending data services capability response, described data by described second SIM to described terminal Carry in professional ability response and identify described second SIM and be currently located the 2G/3G network of cell whether possess data service energy First identification information of power；
Described receiver module, if be additionally operable to described first identification information to indicate that described second SIM is currently located cell 2G/3G network possesses data services capability, then described receiver module receives, by described second SIM, the number that described terminal sends According to business handover request；Carry what the first SIM being cached with described terminal did not completed in described data service handover request Second identification information of the mobile management entity MME of data service and the 3rd identification information of described first SIM；
Described sending module, is additionally operable to send data service switching command according to described second identification information to described MME, Described 3rd identification information is carried in described data service switching command；
Described receiver module, is additionally operable to carry the data service that described first SIM of caching in described MME does not complete, And sent the data service that described first SIM does not complete to described end by described second SIM by described sending module End.
On the other hand, the embodiment of the present invention provides a kind of mobile management entity, including：
Receiver module, is located for the cell after the first SIM execution circuit domain dropping CSFB in terminal, and falling When 2G/3G network does not support data service, the second SIM receiving in described terminal is currently located under the 2G/3G network of cell Base station send data service switching command, carry the 3rd mark of described first SIM in described data service switching command Knowledge information；
Sending module, for according to described data service switching command, the number that described first SIM of caching is not completed Switch to described base station according to business, to indicate the data service that carrying described first SIM in described base station does not complete, and pass through institute State the second SIM to send to described terminal.
Data service handling method, terminal, base station and mobile management entity that the present invention provides, the SIM in terminal When the 2G/3G network that cell after card execution circuit domain dropping CSFB, and falling is located does not support data service, this terminal is passed through The second SIM in terminal sends data services capability request to the corresponding first base station of the second SIM；This data services capability Ask for obtaining the data services capability that the second SIM is currently located the 2G/3G network of cell；Terminal passes through the second SIM Receive the data services capability response that first base station returns, carry mark the second SIM in the response of this data services capability current Whether the 2G/3G network of place cell possesses the first identification information of data services capability；If the first identification information instruction second The 2G/3G network that SIM is currently located cell possesses data services capability, then terminal passes through described second SIM to the first base Stand and send data service handover request, carry in this data service handover request and be cached with the data industry that the first SIM does not complete Second identification information of mobile management entity MME of business and the 3rd identification information of described first SIM；Terminal passes through second SIM receives the data service that the first SIM of first base station transmission does not complete；The data service that this first SIM does not complete Carried from the caching of MME side according to data service handover request for first base station and obtain.The program makes the first SIM in terminal exist During execution CSFB, undone ps domain business need not be hung up, but continue to carry by the second SIM in this terminal Complete, improve the execution efficiency of ps domain business.
Brief description
The flow chart of one embodiment of data service handling method that Fig. 1 provides for the present invention；
The flow chart of another embodiment of data service handling method that Fig. 2 provides for the present invention；
The flow chart of another embodiment of data service handling method that Fig. 3 provides for the present invention；
The flow chart of the data service handling method further embodiment that Fig. 4 provides for the present invention；
The structural representation of one embodiment of terminal that Fig. 5 provides for the present invention；
The structural representation of another embodiment of terminal that Fig. 6 provides for the present invention；
The structural representation of one embodiment in base station that Fig. 7 provides for the present invention；
The structural representation of one embodiment of mobile management entity that Fig. 8 provides for the present invention.
Specific embodiment
The flow chart of one embodiment of data service handling method that Fig. 1 provides for the present invention.The following steps of the method Executive agent can be double-card mobile phone terminal.Wherein, LTE network standard supported by the first SIM in this double-card mobile phone terminal, It possesses CSFB function when carrying out speech business；The second SIM in this double-card mobile phone terminal possesses 2G/3G Network energy Power.The applied environment of the present embodiment methods described is the side that above-mentioned double-card mobile phone terminal is in base station or cell under 2G/3G network Margin zone.As shown in figure 1, this data service handling method specifically includes：
The 2G/3G net that cell after S101, the first SIM execution circuit domain dropping CSFB in terminal, and falling is located When network does not support data service, the second SIM that terminal is passed through in terminal sends data to the corresponding first base station of the second SIM Professional ability is asked；This data services capability is asked for obtaining the data that the second SIM is currently located the 2G/3G network of cell Professional ability；
Support in above-mentioned double-card mobile phone terminal that the first SIM of LTE network standard need to first carry out when carrying out CS business CSFB, the then 2G/3G network corresponding CS business of execution after falling；Meanwhile, the PS business that the first SIM does not complete Also can by the first SIM before falling back to 2G/3G network corresponding mobile management entity MME temporary cache to local caching In.
First SIM execution CSFB in above-mentioned terminal for the data service handling method described in the present embodiment, and determine back The 2G/3G network that the cell falling behind is located is when supporting data service, and terminal can be by the second SIM in this terminal to second SIM is currently located the corresponding first base station of cell and sends data services capability request；This data services capability asks to be used for obtaining This second SIM is taken to be currently located the data services capability of the 2G/3G network of cell.Specifically, first base station is receiving After the data services capability request that two SIMs send, can check in local cell list that this second SIM is currently located little The information such as the network type of the cell information in area, such as cell and loading condition is currently located cell determining this second SIM 2G/3G network whether possess data services capability.
S102, terminal passes through the data services capability response that the second SIM receives first base station, and this data services capability rings Should in carry mark the second SIM be currently located cell 2G/3G network whether possess data services capability first mark letter Breath；
First base station is passed through to check that in local cell list above-mentioned second SIM is currently located the cell information of cell Afterwards, judge that this second SIM is currently located the 2G/3G network of cell and whether possesses data services capability according to this cell information； And will determine that result, that is, identify the second SIM and be currently located the 2G/3G network of cell whether possess the first of data services capability Identification information, sends this first identification information to above-mentioned by way of to the second SIM returned data professional ability response Terminal.
S103, if the 2G/3G network that first identification information instruction the second SIM is currently located cell possesses data service energy Power, then terminal pass through the second SIM to first base station send data service handover request, carry in this data service handover request It is cached with the of the second identification information of the mobile management entity MME of data service that the first SIM do not complete and the first SIM Three identification informations；
After terminal receives the first identification information that first base station is returned by the second SIM, if this first identification information Indicate that the second SIM is currently located the 2G/3G network of cell and possesses data services capability, then terminal passes through the second SIM to the One base station sends data service handover request.Carry the first SIM in above-mentioned terminal in this data service handover request holding During row CSFB, there is the of the mobile management entity MME of data service that the first SIM do not complete under LTE network temporal cache Two identification informations and corresponding 3rd identification information of this first SIM.Wherein, this second identification information can be specifically this MME Device address mark；3rd identification information can be the card number code of the first SIM.
S104, terminal is passed through the second SIM and is received the data service that the first SIM of first base station transmission does not complete；Should The data service that first SIM does not complete carries from the caching of MME side according to data service handover request for first base station and obtains；
Specifically, first base station carries the specific implementation of the data service that the first SIM caching in MME does not complete Can be：First base station passes through the mobile switching centre belonging to first base station（Mobile Switching Center, MSC）To MME corresponding to the second identification information of comprising in above-mentioned data service handover request sends data service switching command, this data Corresponding 3rd identification information of above-mentioned first SIM is carried in business switching command；MME receives this data service switching and refers to After order, according to the 3rd identification information currently treating the above-mentioned corresponding undone data service of first SIM of current cache The status switch number of the packet transmission of transmission is sent to first base station by the MSC belonging to first base station, so that first base station Receive the packet of the corresponding data service of the first SIM of caching MME from the status switch beginning order of this packet, And then realize carrying the data service that the first SIM of caching in MME does not complete.Wherein, MSC is concrete with what MME realization communicated The communication protocol of mode and employing is prior art, and therefore not to repeat here.First base station is by the first SIM carrying from MME The packet of undone data service is sent to above-mentioned terminal by the 2nd SIM.
The data service handling method that the present invention provides, the first SIM execution circuit domain dropping CSFB in terminal, and return The 2G/3G network that the cell falling behind is located is when supporting data service, and this terminal passes through the second SIM in terminal to second The corresponding first base station of SIM sends data services capability request；This data services capability asks to work as obtaining the second SIM The data services capability of the 2G/3G network of front place cell；Terminal is passed through the second SIM and is received the data industry that first base station returns Whether business capabilities response, carry mark the second SIM and be currently located the 2G/3G network of cell and have in the response of this data services capability First identification information of standby data services capability；If the first identification information indicates that the second SIM is currently located the 2G/3G net of cell Network possesses data services capability, then terminal sends data service handover request, this number by described second SIM to first base station According to the second mark carrying the mobile management entity MME being cached with the data service that the first SIM does not complete in business handover request Knowledge information and the 3rd identification information of the first SIM；Terminal is passed through the second SIM and is received the first SIM that first base station sends Undone data service；This first SIM do not complete data service be first base station according to data service handover request from Carry in the caching of MME side and obtain.The program makes in terminal the first SIM during execution CSFB, to undone ps domain industry Business need not suspend or hang up, but continues carrying by the second SIM in this terminal and complete, and improve the execution of ps domain business Efficiency.
The flow chart of another embodiment of data service handling method that Fig. 2 provides for the present invention, the following step of the method Rapid executive agent can access corresponding base station under 2G/3G network for the second SIM in double-card mobile phone terminal.Wherein, should LTE network standard supported by the first SIM in double-card mobile phone terminal, and it possesses CSFB function when carrying out speech business；This pair Above-mentioned second SIM in card mobile phone terminal possesses 2G/3G Network ability.The applied environment of the present embodiment methods described is Above-mentioned double-card mobile phone terminal is in the edge zone of base station or cell under 2G/3G network.As shown in Fig. 2 this data processing Method specifically includes：
S201, base station receiving terminal passes through the data services capability request that the second SIM in terminal sends；This data industry Business capability requests are used for obtaining the data services capability of the 2G/3G network that the second SIM is currently located cell；
Support in above-mentioned double-card mobile phone terminal that the first SIM of LTE network standard need to first carry out when carrying out CS business CSFB, the then 2G/3G network corresponding CS business of execution after falling；Meanwhile, the PS business that the first SIM does not complete Also can by the first SIM before falling back to 2G/3G network corresponding mobile management entity MME temporary cache to local caching In.
First SIM execution CSFB in above-mentioned terminal for the data service handling method described in the present embodiment, and determine back When the 2G/3G network that the cell falling behind is located does not support data service, the corresponding base station of the second SIM in above-mentioned terminal can connect Receive this terminal and pass through the data services capability request that this second SIM sends；This data services capability is asked for obtaining the Two SIMs are currently located the data services capability of the 2G/3G network of cell.
S202, base station is currently located the number of the 2G/3G network of cell according to data services capability request detection second SIM According to professional ability；
Specifically, base station, after receiving the data services capability request that the second SIM sends, can arrange in local cell Check in table that this second SIM is currently located the cell information of cell, such as the information such as the network type of cell and loading condition Whether possesses data services capability to determine that this second SIM is currently located the 2G/3G network of cell.
S203, base station is passed through the second SIM and is sent data services capability response to terminal, in the response of this data services capability Carry mark the second SIM and be currently located the 2G/3G network of cell whether possess the first identification information of data services capability；
Base station after checking above-mentioned second SIM in local cell list and being currently located the cell information of cell, Judge that this second SIM is currently located the 2G/3G network of cell and whether possesses data services capability according to this cell information；And will Judged result, that is, identify the second SIM be currently located cell 2G/3G network whether possess data services capability first mark Information, sends this first identification information to above-mentioned terminal by way of to the second SIM returned data professional ability response.
S204, if the 2G/3G network that first identification information instruction the second SIM is currently located cell possesses data service energy Power, then the data service handover request that base station is sent by the second SIM receiving terminal；Carry in this data service handover request Second identification information and first of the mobile management entity MME of data service that the first SIM being cached with terminal does not complete 3rd identification information of SIM；
After terminal receives the first identification information that base station is returned by the second SIM, if the instruction of this first identification information The 2G/3G network that second SIM is currently located cell possesses data services capability, then terminal is sent out to base station by the second SIM Send data service handover request.The first SIM is carried in above-mentioned terminal when executing CSFB in this data service handover request, There is the second identification information of the undone mobile management entity MME of data service under LTE network of the first SIM temporal cache Corresponding 3rd identification information with this first SIM.Wherein, this second identification information can be specifically the device address of this MME Mark；3rd identification information can be the card number code of the first SIM.This data service handover request is used for indicating that base station carries The data service that in MME, the first SIM of caching does not complete.
S205, base station sends data service switching command, this data service switching command according to the second identification information to MME In carry the 3rd identification information；
The device address of the MME that base station indicates according to the second identification information, by the MSC belonging to this base station to corresponding MME sends data service switching command, carries corresponding 3rd identification information of the first SIM in this data service switching command； This data service switching command is used for indicating that MME will be buffered in its local above-mentioned terminal the first SIM under LTE network not The PS business completing is carried by this base station.
S206, base station carries the data service that the first SIM of caching in MME does not complete, and by the second SIM by institute State the undone data service of the first SIM to send to terminal；
Specifically, in base station carrying MME, the specific implementation of the data service that the first SIM of caching does not complete is permissible For：MME corresponding to the second identification information of comprising in above-mentioned data service handover request of MSC belonging to this base station is passed through in base station Send data service switching command, in this data service switching command, carry corresponding 3rd identification information of the first SIM；MME After receiving this data service switching command, by the corresponding undone data service of above-mentioned first SIM of current cache Currently the status switch number of packet waiting for transmission transmission is sent to this base station by the MSC belonging to base station so that this base station from The status switch beginning order of this packet receives the packet of the corresponding data service of the first SIM of caching in MME, enters And realize carrying the data service that the first SIM of caching in MME does not complete.Wherein, the concrete side that MSC is communicated with MME realization The communication protocol of formula and employing is prior art, and therefore not to repeat here.The first SIM carrying from MME is not completed by base station The packet of data service sent to above-mentioned terminal by the 2nd SIM.
The data service handling method that the present invention provides, the second SIM that base station receiving terminal is passed through in terminal sends Data services capability is asked；This data services capability asks to be currently located the 2G/3G network of cell for obtaining the second SIM Data services capability；Base station is currently located the number of the 2G/3G network of cell according to data services capability request detection second SIM According to professional ability；Base station is passed through the second SIM and is sent data services capability response to terminal, takes in the response of this data services capability Whether the 2G/3G network that tape identification second SIM is currently located cell possesses the first identification information of data services capability；First The 2G/3G network that identification information instruction the second SIM is currently located cell possesses data services capability, then base station passes through second The data service handover request that SIM receiving terminal sends；Being cached with terminal is carried in this data service handover request The second identification information of the mobile management entity MME of data service and the 3rd mark letter of the first SIM that one SIM does not complete Breath；Base station sends data service switching command according to the second identification information to MME, carries described in this data service switching command 3rd identification information；Base station carries the data service that the first SIM of caching in MME does not complete, and by the second SIM by the The data service that one SIM does not complete sends to terminal.The program makes the first SIM in terminal during execution CSFB, right Undone ps domain business need not be hung up, but continue carrying by the second SIM in this terminal and complete, and improves ps domain industry The execution efficiency of business.
The flow chart of another embodiment of data service handling method that Fig. 3 provides for the present invention；The following step of the method Rapid executive agent can be corresponding mobile management entity MME under the affiliated LTE network of the first SIM in double-card mobile phone terminal. Wherein, LTE network standard supported by the first SIM in this double-card mobile phone terminal, and it possesses CSFB work(when carrying out speech business Energy；The second SIM in this double-card mobile phone terminal possesses 2G/3G Network ability.The application ring of the present embodiment methods described Border is the edge zone that above-mentioned double-card mobile phone terminal is in base station or cell under 2G/3G network.As shown in figure 3, this data service Processing method specifically includes：
S301, under the LTE network that the first SIM in terminal is located, corresponding mobile management entity MME is in the first SIM When the 2G/3G network that cell after execution circuit domain dropping CSFB, and falling is located does not support data service, in receiving terminal The data service switching command that the base station that second SIM is currently located under the 2G/3G network of cell sends, this data service switches The 3rd identification information of the first SIM is carried in instruction；
Support in above-mentioned double-card mobile phone terminal that the first SIM of LTE network standard need to first carry out when carrying out CS business CSFB, the then 2G/3G network corresponding CS business of execution after falling；Meanwhile, the PS business that the first SIM does not complete Also can by the first SIM before falling back to 2G/3G network corresponding mobile management entity MME temporary cache to local caching In.
First SIM execution CSFB in above-mentioned terminal for the data service handling method described in the present embodiment, and determine back When the 2G/3G network that the cell falling behind is located does not support data service, the first SIM in this terminal is falling 2G/3G network after rise The second SIM that under the LTE network at front place, corresponding MME can receive in this terminal is currently located the 2G/3G network of cell Under base station send data service switching command.Specifically, above-mentioned second SIM is currently located under the 2G/3G network of cell Base station pass through this base station belonging to MSC to should MME send data service switching command, in this data service switching command Carry corresponding 3rd identification information of the first SIM, the 3rd identification information can be the card number code of the first SIM；This data Business switching command is used for indicating that MME will be buffered in what the first SIM in its local above-mentioned terminal did not completed under LTE network PS business is carried by this base station.
S302, MME switch to according to data service switching command, the data service that the first SIM of caching is not completed Base station, to indicate the data service that base station carrying the first SIM does not complete, and is sent to described terminal by the second SIM；
Specifically, in base station carrying MME, the specific implementation of the data service that the first SIM of caching does not complete is permissible For：The MSC that base station is passed through belonging to this base station sends data service switching command to above-mentioned MME；MME receives this data service and cuts After changing instruction, according to the 3rd identification information in this data service switching command, above-mentioned first SIM of current cache is corresponded to The packet currently waiting for transmission transmission of undone data service status switch number by the MSC belonging to base station send to This base station, so that the first SIM of this base station caching from the status switch beginning order reception MME of this packet is corresponding The packet of data service, and then realize carrying the data service that the first SIM of caching in MME does not complete.Wherein, MSC with The communication protocol of concrete mode and employing that MME realizes communication is prior art, and therefore not to repeat here.Base station will be held from MME The packet of the data service that the first SIM carrying does not complete is sent to above-mentioned terminal by the 2nd SIM.
The data service handling method that the present invention provides, corresponding shifting under the LTE network that the first SIM in terminal is located The 2G/3G network that cell after the first SIM execution circuit domain dropping CSFB, and falling for the dynamic management entity MME is located does not prop up When holding data service, the second SIM in receiving terminal is currently located the data industry of the base station transmission under the 2G/3G network of cell Business switching command, carries the 3rd identification information of the first SIM in this data service switching command；MME is according to described data industry Business switching command, the data service that the first SIM of caching is not completed switches to base station, to indicate this base station carrying first The data service that SIM does not complete, and sent to described terminal by the second SIM.The program makes the first SIM in terminal exist During execution CSFB, undone ps domain business need not be suspended or hang up, but be continued by the second SIM in this terminal Continuous carrying completes, and improves the execution efficiency of ps domain business.
The flow chart of the data service handling method further embodiment that Fig. 4 provides for the present invention.The following step of the method Rapid executive agent is related to double-card mobile phone terminal, corresponding movement under the affiliated LTE network of the first SIM in this double-card mobile phone terminal Corresponding base station under second SIM affiliated 2G/3G network in management entity MME and this double-card mobile phone terminal.Wherein, this double card hands LTE network standard supported by the first SIM in machine terminal, and it possesses CSFB function when carrying out speech business；This double-card mobile phone The second SIM in terminal possesses 2G/3G Network ability.The applied environment of the present embodiment methods described is above-mentioned double card handss Machine terminal is in the edge zone of base station or cell under 2G/3G network.As shown in figure 4, this data service handling method specifically wraps Include：
The 2G/3G net that cell after S401, the first SIM execution circuit domain dropping CSFB in terminal, and falling is located When network does not support data service, the second SIM that this terminal is passed through in terminal sends data industry to the corresponding base station of the second SIM Business capability requests；This data services capability is asked for obtaining the data industry that the second SIM is currently located the 2G/3G network of cell Business ability；The concrete implementation procedure of this step can be found in the corresponding contents of step 101.
S402, base station is currently located the number of the 2G/3G network of cell according to data services capability request detection second SIM According to professional ability；The concrete implementation procedure of this step can be found in the corresponding contents of step 202.
S403, terminal is passed through the second SIM and is received the data services capability response that base station returns, and this data services capability rings Should in carry mark the second SIM be currently located cell 2G/3G network whether possess data services capability first mark letter Breath；The concrete implementation procedure of this step can be found in the corresponding contents of step 102 or step 203.
S404, if the 2G/3G network that first identification information instruction the second SIM is currently located cell possesses data service energy Power, then terminal pass through the second SIM to base station send data service handover request, carry caching in this data service handover request There is the 3rd mark of undone the second identification information of the mobile management entity MME of data service of the first SIM and the first SIM Knowledge information；The concrete implementation procedure of this step can be found in the corresponding contents of step 103 or step 204.
S405, if the 2G/3G network that first identification information instruction the second SIM is currently located cell does not possess data service Ability, then the network connection of the disconnection of terminal instruction the second SIM and base station, and after network connection disconnects, instruction the 2nd SIM weight Possess the cell of data services capability under new search 2G/3G network, and re-searched for the second SIM by the second SIM 2G/3G network under possess data services capability cell corresponding second base station send above-mentioned data service handover request；
If the 2G/3G network that above-mentioned first identification information instruction the second SIM is currently located cell does not possess data service During ability, then terminal indicates that the base station belonging to cell that the second SIM is currently accessed to the second SIM sends network disconnection and asks Ask, and execute the disconnection process of the network connection between corresponding base station.After network connection disconnects, terminal indicates the 2nd SIM Re-search for the cell possessing data services capability under 2G/3G network, and determine that one of cell carries out accessing connecting.? After determining an access cell, terminal passes through the second SIM to the above-mentioned data service switching of the corresponding second base station transmission of this cell Request.Network connection disconnection process between above-mentioned terminal and corresponding base station, and terminal searching new cell access procedure is Prior art, therefore not to repeat here.
S406, base station sends data service switching command, this data service switching command according to the second identification information to MME In carry the 3rd identification information；The concrete implementation procedure of this step can be found in step 205.
Wherein, if the 2G/3G network that above-mentioned second SIM is currently located cell possesses data services capability, this step In base station be embodiment illustrated in fig. 1 in the second SIM be currently located the first base station under the 2G/3G network of cell；If The 2G/3G network that above-mentioned second SIM is currently located cell does not possess data services capability, then the base station in this step is After two SIMs are disconnected with the 2G/3G network being currently located cell, the cell possessing data services capability re-searching for corresponds to Above-mentioned second base station.
Wherein, second identification information of above-mentioned MME can be record guarantor after the first SIM access LTE network in terminal It is stored to local, for using when subsequent data traffic switches.
S407, MME switch to according to data service switching command, the data service that the first SIM of caching is not completed Base station, to indicate the data service that base station carrying the first SIM does not complete；The concrete implementation procedure of this step can be found in step 302.
S408, base station is sent the data service that the first SIM does not complete to terminal by the second SIM；
The corresponding base station of above-mentioned second SIM carries from the caching of MME side according to above-mentioned data service handover request and obtains After the data service not completed to above-mentioned first SIM, this data service is sent to above-mentioned terminal by the second SIM, extremely This completes the processing procedure of data service described in the present embodiment.
The data service handling method that the present invention provides, the first SIM execution circuit domain dropping CSFB in terminal, and return The 2G/3G network that the cell falling behind is located is when supporting data service, and terminal passes through the second SIM in terminal to the 2nd SIM Block corresponding first base station and send data services capability request；This data services capability is asked current for obtaining the second SIM The data services capability of the 2G/3G network of place cell；Terminal is passed through the second SIM and is received the data service that first base station returns Whether capabilities response, carry mark the second SIM and be currently located the 2G/3G network of cell and possess in the response of this data services capability First identification information of data services capability；If the first identification information indicates that the second SIM is currently located the 2G/3G network of cell Possesses data services capability, then terminal passes through the second SIM to first base station transmission data service handover request；If the first mark The 2G/3G network that information instruction the second SIM is currently located cell does not possess data services capability, then terminal indicates the 2nd SIM Card disconnects the network connection with first base station, and after network connection disconnects, instruction the 2nd SIM re-searches under 2G/3G network Possess and possess under the cell of data services capability, and the 2G/3G network being re-searched for the second SIM by the second SIM Corresponding second base station of cell of data services capability sends above-mentioned data service handover request；In this data service handover request Carry and be cached with the second identification information of the mobile management entity MME of data service and the first SIM that the first SIM does not complete The 3rd identification information；This data service handover request is used for indicating that first base station or the second base station carry the of caching in MME The data service that one SIM does not complete, and sent to terminal by the second SIM.The program makes the first SIM in terminal hold During row CSFB, undone ps domain business need not be suspended or hang up, but be continued by the second SIM in this terminal Carrying completes, and improves the execution efficiency of ps domain business.
One of ordinary skill in the art will appreciate that：The all or part of step realizing above-mentioned each method embodiment can be led to Cross the related hardware of programmed instruction to complete.Aforesaid program can be stored in a computer read/write memory medium.This journey Sequence upon execution, executes the step including above-mentioned each method embodiment；And aforesaid storage medium includes：ROM, RAM, magnetic disc or Person's CD etc. is various can be with the medium of store program codes.
The structural representation of one embodiment of terminal that Fig. 5 provides for the present invention, this terminal is double-card mobile phone terminal, permissible The step executing data service handling method as shown in Figure 1.Wherein, LTE supported by the first SIM in this double-card mobile phone terminal Network formats, it possesses CSFB function when carrying out speech business；The second SIM in this double-card mobile phone terminal possesses 2G/3G Network ability.Double-card mobile phone terminal described in the present embodiment is in the edge zone of base station or cell under 2G/3G network.As Shown in Fig. 5, this terminal specifically includes：Sending module 51 and receiver module 52；Wherein：
Sending module 51, is located for the cell after the first SIM execution circuit domain dropping CSFB in terminal, and falling 2G/3G network when not supporting data service, the second SIM that sending module 51 passes through in terminal is corresponding to the second SIM First base station sends data services capability request；This data services capability ask for obtain this second SIM be currently located little The data services capability of the 2G/3G network in area；
Receiver module 52, for receiving the data services capability response that first base station returns, this data by the second SIM Mark the second SIM is carried and is currently located the 2G/3G network of cell whether possess data services capability in professional ability response First identification information；
Above-mentioned sending module 51, if be additionally operable to the first identification information to indicate that the second SIM is currently located the 2G/3G net of cell Network possesses data services capability, then sending module 51 passes through the second SIM to first base station transmission data service handover request, should Carry in data service handover request and be cached with the second of the mobile management entity MME of data service that the first SIM does not complete Identification information and the 3rd identification information of the first SIM；
Above-mentioned receiver module 52, be additionally operable to by second SIM receive first base station send first SIM do not complete Data service；The data service that this first SIM does not complete is that first base station caches from MME side according to data service handover request Middle carrying obtains.
Specifically, the process that terminal shown in the present embodiment realizes data service handling method is：
Cell after first SIM execution circuit domain dropping CSFB in terminal for the sending module 51, and falling is located When 2G/3G network does not support data service, sending module 51 passes through the second SIM in terminal to the second SIM corresponding the One base station sends data services capability request；This data services capability asks to be currently located cell for obtaining this second SIM 2G/3G network data services capability；This transmission process specifically can be found in the corresponding contents of step 101；
Second SIM in sending module 51 is by terminal for the receiver module 52 is to the corresponding first base station of the second SIM After sending data services capability request, the data services capability response that first base station returns, this data are received by the second SIM Mark the second SIM is carried and is currently located the 2G/3G network of cell whether possess data services capability in professional ability response First identification information；This reception process specifically can be found in the corresponding contents of step 102；
If the 2G/3G network that first identification information instruction the second SIM is currently located cell possesses data services capability, Sending module 51 passes through the second SIM and sends data service handover request to first base station, takes in this data service handover request Band is cached with the second identification information of the mobile management entity MME of data service and the first SIM that the first SIM does not complete 3rd identification information；This transmission process specifically can be found in the corresponding contents of step 103；
Receiver module 52 passes through the second SIM and receives the data service that the first SIM of first base station transmission does not complete；Should The data service that first SIM does not complete carries according to data service handover request for first base station from above-mentioned MME side caches Obtain；This reception process specifically can be found in the corresponding contents of step 104.
Further, terminal shown in the present embodiment also includes processing module 53 and memory module 54, as shown in fig. 6, wherein：
Processing module 53, if the 2G/3G network being currently located cell for first identification information instruction the second SIM does not have Standby data services capability, then the network connection of the disconnection of processing module 53 instruction the second SIM and above-mentioned first base station, and in network Connect after disconnecting, instruction the 2nd SIM re-searches for the cell possessing data services capability under 2G/3G network；
Memory module 54, for, before the first SIM execution circuit domain dropping CSFB in terminal, storing above-mentioned MME The second identification information；
Above-mentioned sending module 51, is additionally operable under the 2G/3G network being re-searched for the second SIM by the second SIM Corresponding second base station of cell possessing data services capability sends above-mentioned data service handover request；
Above-mentioned receiver module 52, be additionally operable to by second SIM receive second base station send first SIM do not complete Data service；This first SIM do not complete data service be described second base station according to described data service handover request from Carry in the caching of described MME side and obtain.
Specifically, the process of the execution of terminal shown in the present embodiment data service handling method also includes：
Before the first SIM execution circuit domain dropping CSFB in terminal, terminal is deposited by the interior memory module 54 setting Store up second identification information of corresponding MME under the LTE network belonging to the first SIM；This second identification information can be specifically this The device address mark of MME；
After receiver module 52 receives, by the second SIM, the data services capability response that first base station returns, if this number It is that instruction the second SIM is currently located the 2G/3G network of cell and does not possess number according to the first identification information in professional ability response According to professional ability, then processing module 53 instruction the second SIM disconnects the network connection with above-mentioned first base station, and in network connection After disconnection, instruction the 2nd SIM re-searches for the cell possessing data services capability under 2G/3G network；And led to by sending module 51 Cross the cell corresponding second possessing data services capability to the second SIM under the 2G/3G network that the second SIM re-searches for Base station sends above-mentioned data service handover request；This process specifically can be found in the corresponding contents of step 405.Terminal is passed through to send mould Block 51 sends after above-mentioned data service handover request to above-mentioned second base station, passes through the second SIM by receiver module 52 and receives the The data service that the first SIM that two base stations send does not complete；The data service that this first SIM does not complete is the second base station root Carry from above-mentioned MME side caches according to above-mentioned data service handover request and obtain；This process specifically refers to above-mentioned receiver module The corresponding contents of the data service that 52 the first SIMs passing through the second SIM reception first base station transmission do not complete.
The terminal that the present invention provides, the cell after the first SIM execution circuit domain dropping CSFB in terminal, and falling When the 2G/3G network being located does not support data service, the second SIM that this terminal is passed through in terminal is corresponding to the second SIM First base station sends data services capability request；This data services capability asks to be currently located cell for obtaining the second SIM 2G/3G network data services capability；Terminal is passed through the second SIM and is received the data services capability sound that first base station returns Should, carry mark the second SIM in the response of this data services capability and be currently located the 2G/3G network of cell whether possess data industry First identification information of business ability；If the 2G/3G network that first identification information instruction the second SIM is currently located cell possesses number According to professional ability, then terminal by described second SIM to first base station transmission data service handover request, cut by this data service Change carry in request be cached with first SIM do not complete the second identification information of the mobile management entity MME of data service and 3rd identification information of the first SIM；Terminal is not completed by the first SIM that the second SIM receives first base station transmission Data service；The data service that this first SIM does not complete is that first base station caches from MME side according to data service handover request Middle carrying obtains.The program makes the first SIM in terminal during execution CSFB, undone ps domain business need not be hung Rise, but carrying is continued by the second SIM in this terminal and completes, improve the execution efficiency of ps domain business.
The structural representation of one embodiment in base station that Fig. 7 provides for the present invention, this base station can execute as shown in Figure 2 The step of data service handling method.It is right under 2G/3G network that this base station can be accessed for the second SIM in double-card mobile phone terminal The base station answered.Wherein, the first SIM in this double-card mobile phone terminal supports LTE network standard, its tool when carrying out speech business Standby CSFB function；Above-mentioned second SIM in this double-card mobile phone terminal possesses 2G/3G Network ability.Described in the present embodiment Double-card mobile phone terminal be in the edge zone of base station or cell under 2G/3G network.As shown in fig. 7, this terminal specifically includes：Connect Receive module 71, processing module 72 and sending module 73；Wherein：
Receiver module 71, passes through the data services capability request that the second SIM in terminal sends for receiving terminal；Should Data services capability is asked for obtaining the data services capability that the second SIM is currently located the 2G/3G network of cell；
Processing module 72, for being currently located the 2G/3G net of cell according to data services capability request detection second SIM The data services capability of network；
Sending module 73, for sending data services capability response, this data services capability by the second SIM to terminal Carry in response mark the second SIM be currently located cell 2G/3G network whether possess data services capability first mark Information；
This receiver module 71, if be additionally operable to the first identification information to indicate that the second SIM is currently located the 2G/3G network of cell Possesses data services capability, then receiver module 71 passes through the data service handover request that the second SIM receiving terminal sends；This number According to the mobile management entity MME carrying the data service that the first SIM being cached with terminal does not complete in business handover request The second identification information and the first SIM the 3rd identification information；
Above-mentioned sending module 73, is additionally operable to send data service switching command, this data according to the second identification information to MME The 3rd identification information is carried in business switching command；
Above-mentioned receiver module 71, be additionally operable to carry MME in caching first SIM do not complete data service, and by send out Module 73 is sent to send the data service that the first SIM does not complete to above-mentioned terminal by the second SIM.
Specifically, the execution of base station shown in the present embodiment data processing process is：
Receiver module 71 receiving terminal passes through the data services capability request that the second SIM in terminal sends；This data Professional ability is asked for obtaining the data services capability that the second SIM is currently located the 2G/3G network of cell；This reception process Specifically can be found in the corresponding contents of step 201；
Processing module 72 is currently located little according to data services capability request detection second SIM that receiver module 71 receives The data services capability of the 2G/3G network in area；This processing procedure specifically can be found in the corresponding contents of step 202；
Sending module 73 passes through the second SIM and sends data services capability response to terminal, and this data services capability responds In carry mark the second SIM and be currently located the 2G/3G network of cell whether possess the first identification information of data services capability； This transmission process specifically can be found in the corresponding contents of step 203；
If the 2G/3G network that above-mentioned first identification information instruction the second SIM is currently located cell possesses data service energy Power, then the data service handover request that receiver module 71 is sent by the second SIM receiving terminal；This data service handover request In carry be cached with terminal first SIM do not complete the mobile management entity MME of data service the second identification information The 3rd identification information with the first SIM；This reception process specifically can be found in the corresponding contents of step 204；
Sending module 73 sends data service switching command according to the second identification information to MME, and this data service switching refers to The 3rd identification information is carried in order；This transmission process specifically can be found in the corresponding contents of step 205；
Receiver module 71 carries the data service that the first SIM of caching in MME does not complete, and is passed through by sending module 73 Second SIM sends the data service that the first SIM does not complete to above-mentioned terminal；This transmission process specifically can be found in step 206 corresponding contents.
Further, the base station shown in the present embodiment also includes on the basis of function as shown in Figure 7：
Receiver module 71, if be additionally operable to the first identification information to indicate that the second SIM is currently located the 2G/3G network of cell not Possesses data services capability, then receiver module 71 passes through the network disconnection request that the second SIM receiving terminal sends；
Processing module 72, is additionally operable to disconnect the network connection of request disconnection and the second SIM according to network.
Specifically, if the first mark carrying in the above-mentioned data services capability response that sends to above-mentioned terminal of sending module 73 The 2G/3G network that knowledge information instruction the second SIM is currently located cell does not possess data services capability, then receiver module 71 will lead to Cross the network disconnection request that the second SIM receiving terminal sends, and executed between this base station and the second SIM by processing module 72 Network connection disconnection process.
The base station that the present invention provides, receiving terminal passes through the data services capability request that the second SIM in terminal sends； This data services capability is asked for obtaining the data services capability that the second SIM is currently located the 2G/3G network of cell；Base station It is currently located the data services capability of the 2G/3G network of cell according to data services capability request detection second SIM；Base station leads to Cross the second SIM and send data services capability response to terminal, carry mark the second SIM in the response of this data services capability and work as Whether the 2G/3G network of front place cell possesses the first identification information of data services capability；First identification information instruction second The 2G/3G network that SIM is currently located cell possesses data services capability, then the second SIM receiving terminal transmission is passed through in base station Data service handover request；The number that the first SIM being cached with terminal does not complete is carried in this data service handover request According to the second identification information of the mobile management entity MME of business and the 3rd identification information of the first SIM；Base station is according to the second mark Knowledge information sends data service switching command to MME, carries the 3rd identification information in this data service switching command；Base station carries The data service that in MME, the first SIM of caching does not complete, and the data industry the first SIM not completed by the second SIM Business sends to terminal.The program makes the first SIM in terminal during execution CSFB, undone ps domain business need not be hung Rise, but carrying is continued by the second SIM in this terminal and completes, improve the execution efficiency of ps domain business.
The structural representation of one embodiment of mobile management entity MME that Fig. 8 provides for the present invention, can perform as Fig. 3 institute The data service handling method showing.This MME can be corresponding shifting under the affiliated LTE network of the first SIM in double-card mobile phone terminal Dynamic management entity MME.Wherein, LTE network standard supported by the first SIM in this double-card mobile phone terminal, and it is carrying out voice industry Possesses CSFB function during business；The second SIM in this double-card mobile phone terminal possesses 2G/3G Network ability.The present embodiment institute The double-card mobile phone terminal stated is in the edge zone of base station or cell under 2G/3G network.As shown in figure 8, this MME specifically includes： Receiver module 81 and sending module 82；Wherein：
Receiver module 81, is located for the cell after the first SIM execution circuit domain dropping CSFB in terminal, and falling 2G/3G network when not supporting data service, the second SIM in receiving terminal is currently located under the 2G/3G network of cell The data service switching command that base station sends, carries the 3rd identification information of the first SIM in this data service switching command；
Sending module 82, for according to data service switching command, the data service that the first SIM of caching is not completed Switch to above-mentioned base station, to indicate the data service that above-mentioned base station carrying the first SIM does not complete, and sent out by the second SIM Deliver to above-mentioned terminal.
Specifically, the execution of MME shown in the present embodiment data processing process is：
Cell after first SIM execution circuit domain dropping CSFB in terminal for the receiver module 81, and falling is located When 2G/3G network does not support data service, the second SIM in receiving terminal is currently located the base under the 2G/3G network of cell Stand and carry the 3rd identification information of the first SIM in this data service switching command of data service switching command sending；This connects Receipts process specifically can be found in the corresponding contents of step 301；
The data service switching command that sending module 82 receives according to receiver module 81, will be not complete for the first SIM of caching The data service becoming switches to above-mentioned base station, to indicate the data service that above-mentioned base station carrying the first SIM does not complete, and passes through Second SIM sends to above-mentioned terminal；This transmission process specifically can be found in the corresponding contents of step 302.
The base station that the present invention provides, corresponding mobile management entity under the LTE network that the first SIM in terminal is located The 2G/3G network that cell after the first SIM execution circuit domain dropping CSFB, and falling for the MME is located does not support data service When, the data service switching that the base station that the second SIM in receiving terminal is currently located under the 2G/3G network of cell sends refers to Order, carries the 3rd identification information of the first SIM in this data service switching command；MME refers to according to described data service switching Order, the data service that the first SIM of caching is not completed switches to base station, not complete to indicate that this base station carries the first SIM The data service becoming, and sent to described terminal by the second SIM.The program makes the first SIM in terminal execute CSFB During, undone ps domain business need not be hung up, but carrying is continued by the second SIM in this terminal and completes, carry The high execution efficiency of ps domain business.
Finally it should be noted that：Various embodiments above only in order to technical scheme to be described, is not intended to limit；To the greatest extent Pipe has been described in detail to the present invention with reference to foregoing embodiments, it will be understood by those within the art that：Its according to So the technical scheme described in foregoing embodiments can be modified, or wherein some or all of technical characteristic is entered Row equivalent；And these modifications or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology The scope of scheme.

Claims (8)

1. a kind of data service handling method is it is characterised in that include：
The 2G/3G network that cell after the first SIM execution circuit domain dropping CSFB in terminal, and falling is located does not support number During according to business, described terminal sends number by the second SIM in described terminal to the corresponding first base station of described second SIM According to professional ability request；Described data services capability asks to be currently located the 2G/3G net of cell for obtaining described second SIM The data services capability of network；
Described terminal receives the data services capability response that described first base station returns, described data by described second SIM Carry in professional ability response and identify described second SIM and be currently located the 2G/3G network of cell whether possess data service energy First identification information of power；
If the 2G/3G network that described first identification information described second SIM of instruction is currently located cell possesses data service energy Power, then described terminal by described second SIM to described first base station send data service handover request, described data service The second mark being cached with the mobile management entity MME of data service that described first SIM does not complete is carried in handover request Information and the 3rd identification information of described first SIM；
The data that described terminal is not completed by described first SIM that described second SIM receives described first base station transmission Business；Described first SIM do not complete data service for described first base station according to described data service handover request from institute State to carry in the caching of MME side and obtain；
After described terminal receives, by described second SIM, the data services capability response that described first base station returns, also wrap Include：
If the 2G/3G network that described first identification information described second SIM of instruction is currently located cell does not possess data service Ability, then the network connection of the described described second SIM disconnection of terminal instruction and described first base station, and in described network connection After disconnection, indicate that described second SIM re-searches for the cell possessing data services capability under 2G/3G network, and by described Under the 2G/3G network that second SIM re-searches for described second SIM, the described cell possessing data services capability corresponds to Second base station send described data service handover request；
The data that described terminal is not completed by described first SIM that described second SIM receives described second base station transmission Business；Described first SIM do not complete data service for described second base station according to described data service handover request from institute State to carry in the caching of MME side and obtain.
2. method according to claim 1 is it is characterised in that the first SIM execution circuit domain dropping in described terminal Before CSFB, including：Described second identification information of MME described in described terminal storage.
3. a kind of data service handling method is it is characterised in that include：
Base station receiving terminal passes through the data services capability request that the second SIM in terminal sends；Described data services capability Ask for obtaining the data services capability that described second SIM is currently located the 2G/3G network of cell；
Described base station second SIM according to described data services capability request detection is currently located the 2G/3G network of cell Data services capability；
Described base station sends data services capability response, described data services capability by described second SIM to described terminal Carry in response and identify described second SIM and be currently located the 2G/3G network of cell whether possess the first of data services capability Identification information；
If the 2G/3G network that described first identification information described second SIM of instruction is currently located cell possesses data service energy Power, then the data service handover request that described base station is sent by the described terminal of described second SIM reception；Described data service The mobile management entity MME of data service that the first SIM being cached with described terminal does not complete is carried in handover request Second identification information and the 3rd identification information of described first SIM；Described base station is according to described second identification information to described MME sends data service switching command, carries described 3rd identification information in described data service switching command；
Described base station carries the data service that described first SIM of caching in described MME does not complete, and passes through described second SIM sends the data service that described first SIM does not complete to described terminal；
After described base station sends data services capability response by described second SIM to described terminal, also include：
If the 2G/3G network that described first identification information described second SIM of instruction is currently located cell does not possess data service Ability, then the network disconnection request that described base station is sent by the described terminal of described second SIM reception；
Described base station disconnects the network connection of request disconnection and described second SIM according to described network, so that described terminal exists Described network connection indicates that described second SIM re-searches for the cell possessing data services capability under 2G/3G network after disconnecting, And described under the 2G/3G network re-searching for described second SIM by described second SIM possess data services capability Corresponding second base station of cell to described MME send described data service handover request.
4. a kind of data service handling method is it is characterised in that include：
Under the LTE network that the first SIM in terminal is located, corresponding mobile management entity MME is in described first SIM execution When the 2G/3G network that cell after circuit domain dropping CSFB, and falling is located does not support data service, receive in described terminal The data service switching command that the base station that second SIM is currently located under the 2G/3G network of cell sends, described data service is cut Change the 3rd identification information carrying described first SIM in instruction；Wherein, described second SIM is currently located the 2G/3G of cell Base station under network is to be sentenced according to the data services capability response that described second SIM receives first base station return by described terminal Disconnected obtain, carrying in described data services capability response to identify described second SIM and be currently located the 2G/3G network of cell is No the first identification information possessing data services capability；If described first identification information indicates that described second SIM is currently located The 2G/3G network of cell possesses data services capability, then described data service switching command is by the 2nd SIM in described terminal The first base station that card is currently located under the 2G/3G network of cell sends, if described first identification information indicates described 2nd SIM The 2G/3G network that card is currently located cell does not possess data services capability, then described data service switching command is by described end The second base station that the second SIM in end is currently located under the 2G/3G network of cell sends, and wherein, described second base station is Described second SIM is after disconnecting the network connection with described first base station by re-searching for described 2nd SIM obtaining It is stuck in the corresponding base station of cell possessing data services capability under 2G/3G network；Described MME refers to according to described data service switching Order, the data service that described first SIM of caching is not completed switches to described base station, described to indicate that described base station carries The data service that first SIM does not complete, and sent to described terminal by described second SIM.
5. a kind of terminal is it is characterised in that include：
Sending module, the 2G/ being located for the cell after the first SIM execution circuit domain dropping CSFB in terminal, and falling When 3G network does not support data service, described sending module is by the second SIM in described terminal to described second SIM pair The first base station answered sends data services capability request；Described data services capability asks to work as obtaining described second SIM The data services capability of the 2G/3G network of front place cell；
Receiver module, for the data services capability response that described first base station returns is received by described second SIM, described Carry in data services capability response and identify described second SIM and be currently located the 2G/3G network of cell whether possess data industry First identification information of business ability；
Described sending module, if be additionally operable to described first identification information to indicate that described second SIM is currently located the 2G/3G of cell Network possesses data services capability, then described sending module sends data industry by described second SIM to described first base station Business handover request, carries the shifting being cached with the data service that described first SIM does not complete in described data service handover request Second identification information of dynamic management entity MME and the 3rd identification information of described first SIM；
Described receiver module, is additionally operable to described first SIM receiving described first base station transmission by described second SIM not The data service completing；The data service that described first SIM does not complete is cut according to described data service for described first base station Change to ask to carry from the caching of described MME side and obtain；
Also include：
Processing module, if for described first identification information indicate described second SIM be currently located cell 2G/3G network not Possess data services capability, then the network connection of the described described second SIM disconnection of processing module instruction and described first base station, And after described network connection disconnects, indicate that described 2nd SIM re-searches for possessing the little of data services capability under 2G/3G network Area；
Described sending module, is additionally operable to the 2G/3G network re-searching for by described second SIM to described second SIM Corresponding second base station of cell possessing data services capability described in lower sends described data service handover request；
Described receiver module, is additionally operable to described first SIM receiving described second base station transmission by described second SIM not The data service completing；The data service that described first SIM does not complete is cut according to described data service for described second base station Change to ask to carry from the caching of described MME side and obtain.
6. terminal according to claim 5 is it is characterised in that also include：
Memory module, for, before the first SIM execution circuit domain dropping CSFB in described terminal, storing described MME's Described second identification information.
7. a kind of base station is it is characterised in that include：
Receiver module, passes through the data services capability request that the second SIM in terminal sends for receiving terminal；Described data Professional ability is asked for obtaining the data services capability that described second SIM is currently located the 2G/3G network of cell；
Processing module, is currently located the 2G/3G of cell for the second SIM according to described data services capability request detection The data services capability of network；
Sending module, for sending data services capability response, described data service by described second SIM to described terminal Carry in capabilities response and identify described second SIM and be currently located the 2G/3G network of cell whether possess data services capability First identification information；
Described receiver module, if be additionally operable to described first identification information to indicate that described second SIM is currently located the 2G/3G of cell Network possesses data services capability, then described receiver module receives, by described second SIM, the data industry that described terminal sends Business handover request；The data that the first SIM being cached with described terminal does not complete is carried in described data service handover request Second identification information of the mobile management entity MME of business and the 3rd identification information of described first SIM；
Described sending module, is additionally operable to send data service switching command according to described second identification information to described MME, described Described 3rd identification information is carried in data service switching command；
Described receiver module, is additionally operable to carry the data service that described first SIM of caching in described MME does not complete, and by Described sending module is sent the data service that described first SIM does not complete to described terminal by described second SIM；
Described receiver module, if be additionally operable to described first identification information to indicate that described second SIM is currently located the 2G/3G of cell Network does not possess data services capability, then described receiver module receives, by described second SIM, the network that described terminal sends Disconnect request；
Described processing module, is additionally operable to disconnect the network connection of request disconnection and described second SIM according to described network, so that Described terminal indicates that after described network connection disconnects described second SIM re-searches for possessing data service under 2G/3G network Described under the cell of ability, and the 2G/3G network being re-searched for described second SIM by described second SIM possessed Corresponding second base station of cell of data services capability sends described data service handover request to described MME.
8. a kind of mobile management entity is it is characterised in that include：
Receiver module, the 2G/ being located for the cell after the first SIM execution circuit domain dropping CSFB in terminal, and falling When 3G network does not support data service, the second SIM receiving in described terminal is currently located the base under the 2G/3G network of cell Stand send data service switching command, carry in described data service switching command described first SIM the 3rd mark letter Breath；Wherein, the base station that described second SIM is currently located under the 2G/3G network of cell is according to described second by described terminal SIM receives the data services capability response judgement acquisition that first base station returns, and carries in described data services capability response Identify described second SIM and be currently located the 2G/3G network of cell whether possess the first identification information of data services capability；If The 2G/3G network that described first identification information described second SIM of instruction is currently located cell possesses data services capability, then institute State receiver module and receive the first base station transmission being currently located by the second SIM in described terminal under the 2G/3G network of cell Data service switching command, if described first identification information indicates that described second SIM is currently located the 2G/3G network of cell Do not possess data services capability, then the second SIM that described receiver module receives in described terminal is currently located the 2G/3G of cell The data service switching command that the second base station under network sends, wherein, described second base station is that described second SIM disconnects Possess under 2G/3G network with described second SIM passing through after the network connection of described first base station to re-search for obtaining The corresponding base station of cell of data services capability；
Sending module, for according to described data service switching command, the data industry that described first SIM of caching is not completed Business switches to described base station, to indicate that described base station carries the data service that described first SIM does not complete, and by described the Two SIMs send to described terminal.
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