CN103747493A

CN103747493A - Data traffic processing method, terminal, base station and mobile management entity

Info

Publication number: CN103747493A
Application number: CN201410040095.XA
Authority: CN
Inventors: 袁晓静
Original assignee: China United Network Communications Group Co Ltd
Current assignee: China United Network Communications Group Co Ltd
Priority date: 2014-01-27
Filing date: 2014-01-27
Publication date: 2014-04-23
Anticipated expiration: 2034-01-27
Also published as: CN103747493B

Abstract

The invention provides a data traffic processing method, a terminal, a base station and a mobile management entity. The method comprises the steps that when a first SIM (subscriber identity module) card in the terminal executes a circuit switched fallback (CSFB), and the 2G (the second generation telecommunication)/3G (the third generation telecommunication) network where a cell after the fallback is positioned does not support the data traffic, the terminal obtains a second SIM card in the terminal and judges whether the 2G/3G network of the cell where the second SIM card is currently positioned has the data traffic capacity or not; if the 2G/3G network of the cell where the second SIM card is currently positioned has the data traffic capacity, the data traffic unfinished by the first SIM card is borne by a first base station corresponding to the cell wherein the second SIM card is positioned. According to the embodiment of the invention, the technical problem that in the CSFB execution process of the existing terminal, as when the terminal falls back to a base station of a 2G network or 3G network or the edge zone, not supporting the data traffic, of the cell, the currently executed PS domain business needs to be paused or suspended, the PS domain business execution efficiency is low is solved.

Description

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

Technical field

The present invention relates to information technology, relate in particular to a kind of data service handling method, terminal, base station and mobile management entity.

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 carried out packet switching (Packet Switched Domain for residing in LTE network in terminal, PS territory) during business (data service), by circuit commutative field (Circuit Switched Domain, CS territory) business (speech business) falls back to 2G/3G network, utilizes the high coverage rate of 2G/3G network and ripe technology to experience for user provides good user.Meanwhile, if when the network after falling after rise is not supported PS business, so ongoing PS service needed is suspended or hangs up, until terminal executes to switch after CS business, get back to LTE network and proceed PS business.

At present, the network selection strategy based on operator, the terminal of supporting LTE standard may the designated 2G network that falls back to when carrying out CS business, and because 2G network mostly can not supported data business, so terminal cannot be proceeded data service after falling after rise; Or the edge zone due to terminal base station or community in 3G network, cause the terminal in areal also may fall back under different communities, if the community that terminal falls after rise is supported data business not, so corresponding terminal still cannot be proceeded data service after falling.

The terminal of above-mentioned LTE standard is in carrying out CSFB process, if the network after falling after rise is not supported PS business, PS business execution efficiency will reduce.

Summary of the invention

The invention provides a kind of data service handling method, terminal, base station and mobile management entity; be used for solving existing terminal and carrying out CSFB process; due to terminal fall back to 2G network fall back to base station in 3G network or the community of the not supported data business of the edge zone of community in; need the PS territory business of current execution be suspended or be hung up, and then the low technical problem of PS territory business execution efficiency causing.

On the one hand, the embodiment of the present invention provides a kind of data service handling method, comprising:

The first SIM card executive circuit domain dropping CSFB in terminal, and the 2G/3G network that falls place, Hou community after rise is during supported data business, described terminal by the second SIM card in described terminal to the first base station transmission data service capability requests corresponding to described the second SIM card; Described data service capability requests is for obtaining the data service ability of the 2G/3G network of described the second community, the current place of SIM card;

Described terminal receives by described the second SIM card the data service capabilities response that described the first base station is returned, and whether the 2G/3G network that carries described the second community, the current place of SIM card of sign in described data service capabilities response possesses the first identification information of data service ability;

If described the first identification information indicates the 2G/3G network of described the second community, the current place of SIM card to possess data service ability, described terminal sends data service handover request by described the second SIM card to described the first base station, carries the second identification information of the mobile management entity MME that is cached with the uncompleted data service of described the first SIM card and the 3rd identification information of described the first SIM card in described data service handover request;

Described terminal receives by described the second SIM card the uncompleted data service of described the first SIM card that described the first base station sends; The uncompleted data service of described the first SIM card is that acquisition is carried in described the first base station from described MME side buffer memory according to described data service handover request.

On the other hand, the embodiment of the present invention provides another kind of data service handling method, comprising:

The data service capability requests that base station receiving terminal sends by the second SIM card in terminal; Described data service capability requests is for obtaining the data service ability of the 2G/3G network of described the second community, the current place of SIM card;

The data service ability of the 2G/3G network of described the second community, the current place of SIM card is detected in described base station according to described data service capability requests;

Described base station sends data service capabilities response by described the second SIM card to described terminal, and whether the 2G/3G network that carries described the second community, the current place of SIM card of sign in described data service capabilities response possesses the first identification information of data service ability;

If described the first identification information indicates the 2G/3G network of described the second community, the current place of SIM card to possess data service ability, described base station receives by described the second SIM card the data service handover request that described terminal sends; In described data service handover request, carry the second identification information of mobile management entity MME and the 3rd identification information of described the first SIM card of the uncompleted data service of the first SIM card being cached with in described terminal;

Described base station sends data service switching command according to described the second identification information to described MME, carries described the 3rd identification information in described data service switching command;

The uncompleted data service of described the first SIM card of buffer memory in described MME is carried in described base station, and by described the second SIM card, the uncompleted data service of described the first SIM card is sent to described terminal.

On the other hand, the embodiment of the present invention provides another data service handling method, comprising:

Mobile management entity MME corresponding under the LTE network at the first SIM card place in terminal is at described the first SIM card executive circuit domain dropping CSFB, and the 2G/3G network that falls place, Hou community after rise is not during supported data business, receive the data service switching command that the base station under the 2G/3G network of the second community, the current place of SIM card in described terminal sends, in described data service switching command, carry the 3rd identification information of described the first SIM card;

Described MME is according to described data service switching command, the uncompleted data service of described the first SIM card of buffer memory is switched to described base station, to indicate described base station to carry the uncompleted data service of described the first SIM card, and be sent to described terminal by described the second SIM card.

On the other hand, the embodiment of the present invention provides a kind of terminal, comprising:

Sending module, for the first SIM card executive circuit domain dropping CSFB in terminal, and the 2G/3G network that falls place, Hou community after rise is during supported data business, described sending module by the second SIM card in described terminal to the first base station transmission data service capability requests corresponding to described the second SIM card; Described data service capability requests is for obtaining the data service ability of the 2G/3G network of described the second community, the current place of SIM card;

Receiver module, for receiving by described the second SIM card the data service capabilities response that described the first base station is returned, whether the 2G/3G network that carries described the second community, the current place of SIM card of sign in described data service capabilities response possesses the first identification information of data service ability;

Described sending module, if also indicate the 2G/3G network of described the second community, the current place of SIM card to possess data service ability for described the first identification information, described sending module sends data service handover request by described the second SIM card to described the first base station, carries the second identification information of the mobile management entity MME that is cached with the uncompleted data service of described the first SIM card and the 3rd identification information of described the first SIM card in described data service handover request;

Described receiver module, the uncompleted data service of described the first SIM card also sending for receive described the first base station by described the second SIM card; The uncompleted data service of described the first SIM card is that acquisition is carried in described the first base station from described MME side buffer memory according to described data service handover request.

On the other hand, the embodiment of the present invention provides a kind of base station, comprising:

Receiver module, the data service capability requests sending by the second SIM card in terminal for receiving terminal; Described data service capability requests is for obtaining the data service ability of the 2G/3G network of described the second community, the current place of SIM card;

Processing module, for detecting the data service ability of the 2G/3G network of described the second community, the current place of SIM card according to described data service capability requests;

Sending module, for sending data service capabilities response by described the second SIM card to described terminal, whether the 2G/3G network that carries described the second community, the current place of SIM card of sign in described data service capabilities response possesses the first identification information of data service ability;

Described receiver module, if also indicate the 2G/3G network of described the second community, the current place of SIM card to possess data service ability for described the first identification information, described receiver module receives by described the second SIM card the data service handover request that described terminal sends; In described data service handover request, carry the second identification information of mobile management entity MME and the 3rd identification information of described the first SIM card of the uncompleted data service of the first SIM card being cached with in described terminal;

Described sending module, also, for sending data service switching command according to described the second identification information to described MME, carries described the 3rd identification information in described data service switching command;

Described receiver module, also for carrying the uncompleted data service of described the first SIM card of described MME buffer memory, and is sent to described terminal by described the second SIM card by the uncompleted data service of described the first SIM card by described sending module.

On the other hand, the embodiment of the present invention provides a kind of mobile management entity, comprising:

Receiver module, for the first SIM card executive circuit domain dropping CSFB in terminal, and the 2G/3G network that falls place, Hou community after rise is not during supported data business, receive the data service switching command that the base station under the 2G/3G network of the second community, the current place of SIM card in described terminal sends, in described data service switching command, carry the 3rd identification information of described the first SIM card;

Sending module, be used for according to described data service switching command, the uncompleted data service of described the first SIM card of buffer memory is switched to described base station, to indicate described base station to carry the uncompleted data service of described the first SIM card, and be sent to described terminal by described the second SIM card.

Data service handling method provided by the invention, terminal, base station and mobile management entity, the first SIM card executive circuit domain dropping CSFB in terminal, and the 2G/3G network that falls place, Hou community after rise is not during supported data business, and this terminal sends data service capability requests by the second SIM card in terminal to the first base station corresponding to the second SIM card; This data service capability requests is for obtaining the data service ability of the 2G/3G network of the second community, the current place of SIM card; Terminal receives the data service capabilities response of returning the first base station by the second SIM card, whether the 2G/3G network that carries sign the second community, the current place of SIM card in this data service capabilities response possesses the first identification information of data service ability; If the first identification information indicates the 2G/3G network of the second community, the current place of SIM card to possess data service ability, terminal sends data service handover request by described the second SIM card to the first base station, carries the second identification information of the mobile management entity MME that is cached with the uncompleted data service of the first SIM card and the 3rd identification information of described the first SIM card in this data service handover request; Terminal receives by the second SIM card the uncompleted data service of the first SIM card that the first base station sends; The uncompleted data service of this first SIM card is that acquisition is carried in the first base station from MME side buffer memory according to data service handover request.This scheme makes in terminal the first SIM card in carrying out CSFB process, and uncompleted PS territory business, without hang-up, but is continued to have carried by the second SIM card in this terminal, has improved the execution efficiency of PS territory business.

Accompanying drawing explanation

Fig. 1 is the flow chart of an embodiment of data service handling method provided by the invention;

Fig. 2 is the flow chart of another embodiment of data service handling method provided by the invention;

Fig. 3 is the flow chart of another embodiment of data service handling method provided by the invention;

Fig. 4 is the flow chart of another embodiment of data service handling method provided by the invention;

Fig. 5 is the structural representation of an embodiment of terminal provided by the invention;

Fig. 6 is the structural representation of another embodiment of terminal provided by the invention;

Fig. 7 is the structural representation of the embodiment in base station provided by the invention;

Fig. 8 is the structural representation of an embodiment of mobile management entity provided by the invention.

Embodiment

Fig. 1 is the flow chart of an embodiment of data service handling method provided by the invention.The executive agent of the following steps of the method can be double-card mobile phone terminal.Wherein, the first SIM card in this double-card mobile phone terminal is supported LTE network formats, and it possesses CSFB function when carrying out speech business; The second SIM card in this double-card mobile phone terminal possesses 2G/3G Network ability.Described in the present embodiment, the applied environment of method is the edge zone of above-mentioned double-card mobile phone terminal base station or community under 2G/3G network.As shown in Figure 1, this data service handling method specifically comprises:

S101, the first SIM card executive circuit domain dropping CSFB in terminal, and the 2G/3G network that falls place, Hou community after rise is during supported data business, and terminal sends data service capability requests by the second SIM card in terminal to the first base station corresponding to the second SIM card; This data service capability requests is for obtaining the data service ability of the 2G/3G network of the second community, the current place of SIM card;

In above-mentioned double-card mobile phone terminal, support the first SIM card of LTE network formats need first carry out CSFB when carrying out CS business, then the 2G/3G network after falling is carried out corresponding CS business; Meanwhile, the uncompleted PS business of the first SIM card also can by the first SIM card at mobile management entity MME temporary cache corresponding before falling back to 2G/3G network in local buffer memory.

Described in the present embodiment, first SIM card of data service handling method in above-mentioned terminal carried out CSFB, and the 2G/3G network that determine to fall place, Hou community after rise is not during supported data business, and the first base station that terminal can be corresponding to the second community, the current place of SIM card by the second SIM card in this terminal sends data service capability requests; This data service capability requests is for obtaining the data service ability of the 2G/3G network of this community, current place of the second SIM card.Concrete, the first base station is after receiving the data service capability requests of the second SIM card transmission, can in local cell list, check the cell information of this community, current place of the second SIM card, as the information such as the network type of community and loading condition determine whether the 2G/3G network of this community, current place of the second SIM card possesses data service ability.

S102, terminal receives the data service capabilities response of the first base station by the second SIM card, and whether the 2G/3G network that carries sign the second community, the current place of SIM card in this data service capabilities response possesses the first identification information of data service ability;

The first base station, by checking in local cell list after the cell information of above-mentioned the second community, the current place of SIM card, judges according to this cell information whether the 2G/3G network of this community, current place of the second SIM card possesses data service ability; And by judged result, whether the 2G/3G network that identifies the second community, the current place of SIM card possesses the first identification information of data service ability, by the mode to the second SIM card return data professional ability response, this first identification information is sent to above-mentioned terminal.

S103, if the first identification information indicates the 2G/3G network of the second community, the current place of SIM card to possess data service ability, terminal sends data service handover request by the second SIM card to the first base station, carries the second identification information of the mobile management entity MME that is cached with the uncompleted data service of the first SIM card and the 3rd identification information of the first SIM card in this data service handover request;

Terminal receives after the first identification information returning by the second SIM card the first base station, if this first identification information indicates the 2G/3G network of the second community, the current place of SIM card to possess data service ability, terminal sends data service handover request by the second SIM card to the first base station.In this data service handover request, carry the first SIM card in above-mentioned terminal and, when carrying out CSFB, be cached with the second identification information and the 3rd identification information corresponding to this first SIM card of the mobile management entity MME of the first SIM card uncompleted data service under LTE network temporarily.Wherein, this second identification information can be specifically the device address sign of this MME; The 3rd identification information can be the card number code of the first SIM card.

S104, terminal receives by the second SIM card the uncompleted data service of the first SIM card that the first base station sends; The uncompleted data service of this first SIM card is that acquisition is carried in the first base station from MME side buffer memory according to data service handover request;

Particularly, in the first base station carrying MME, the specific implementation of the uncompleted data service of the first SIM card of buffer memory can be: the first base station is by (the Mobile Switching Center of mobile switching centre under the first base station, MSC) to MME corresponding to the second identification information comprising in above-mentioned data service handover request, send data service switching command, in this data service switching command, carried the 3rd identification information corresponding to above-mentioned the first SIM card; MME receives after this data service switching command, the status switch number packet current waiting for transmission of uncompleted data service corresponding to above-mentioned first SIM card of current cache being transmitted according to the 3rd identification information is sent to the first base station by the MSC under the first base station, so that the first base station sequentially receives the packet of data service corresponding to the first SIM card of buffer memory MME from the status switch beginning of this packet, and then realize the uncompleted data service of the first SIM card of buffer memory in carrying MME.Wherein, the concrete mode that MSC communicates by letter with MME realization and the communication protocol of employing are prior art, and therefore not to repeat here.The first base station is sent to above-mentioned terminal by the packet of the uncompleted data service of the first SIM card from MME carrying by the 2nd SIM.

Data service handling method provided by the invention, the first SIM card executive circuit domain dropping CSFB in terminal, and the 2G/3G network that falls place, Hou community after rise is not during supported data business, and this terminal sends data service capability requests by the second SIM card in terminal to the first base station corresponding to the second SIM card; This data service capability requests is for obtaining the data service ability of the 2G/3G network of the second community, the current place of SIM card; Terminal receives the data service capabilities response of returning the first base station by the second SIM card, whether the 2G/3G network that carries sign the second community, the current place of SIM card in this data service capabilities response possesses the first identification information of data service ability; If the first identification information indicates the 2G/3G network of the second community, the current place of SIM card to possess data service ability, terminal sends data service handover request by described the second SIM card to the first base station, carries the second identification information of the mobile management entity MME that is cached with the uncompleted data service of the first SIM card and the 3rd identification information of the first SIM card in this data service handover request; Terminal receives by the second SIM card the uncompleted data service of the first SIM card that the first base station sends; The uncompleted data service of this first SIM card is that acquisition is carried in the first base station from MME side buffer memory according to data service handover request.This scheme makes in terminal the first SIM card in carrying out CSFB process, and uncompleted PS territory business, without suspending or hanging up, but is continued to have carried by the second SIM card in this terminal, has improved the execution efficiency of PS territory business.

Fig. 2 is the flow chart of another embodiment of data service handling method provided by the invention, and the executive agent of the following steps of the method can be corresponding base station under the second SIM card access 2G/3G network in double-card mobile phone terminal.Wherein, the first SIM card in this double-card mobile phone terminal is supported LTE network formats, and it possesses CSFB function when carrying out speech business; Above-mentioned the second SIM card in this double-card mobile phone terminal possesses 2G/3G Network ability.Described in the present embodiment, the applied environment of method is the edge zone of above-mentioned double-card mobile phone terminal base station or community under 2G/3G network.As shown in Figure 2, this data service handling method specifically comprises:

S201, the data service capability requests that base station receiving terminal sends by the second SIM card in terminal; This data service capability requests is for obtaining the data service ability of the 2G/3G network of the second community, the current place of SIM card;

Described in the present embodiment, first SIM card of data service handling method in above-mentioned terminal carried out CSFB, and the 2G/3G network that determine to fall place, Hou community after rise is not during supported data business, and base station corresponding to the second SIM card in above-mentioned terminal can receive the data service capability requests that this terminal sends by this second SIM card; This data service capability requests is for obtaining the data service ability of the 2G/3G network of the second community, the current place of SIM card.

S202, the data service ability of the 2G/3G network of the second community, the current place of SIM card is detected in base station according to data service capability requests;

Concrete, base station is after receiving the data service capability requests of the second SIM card transmission, can in local cell list, check the cell information of this community, current place of the second SIM card, as the information such as the network type of community and loading condition determine whether the 2G/3G network of this community, current place of the second SIM card possesses data service ability.

S203, base station sends data service capabilities response by the second SIM card to terminal, and whether the 2G/3G network that carries sign the second community, the current place of SIM card in this data service capabilities response possesses the first identification information of data service ability;

Base station, by checking in local cell list after the cell information of above-mentioned the second community, the current place of SIM card, judges according to this cell information whether the 2G/3G network of this community, current place of the second SIM card possesses data service ability; And by judged result, whether the 2G/3G network that identifies the second community, the current place of SIM card possesses the first identification information of data service ability, by the mode to the second SIM card return data professional ability response, this first identification information is sent to above-mentioned terminal.

S204, if the first identification information indicates the 2G/3G network of the second community, the current place of SIM card to possess data service ability, the data service handover request that base station sends by the second SIM card receiving terminal; In this data service handover request, carry the second identification information of mobile management entity MME and the 3rd identification information of the first SIM card of the uncompleted data service of the first SIM card being cached with in terminal;

Terminal receives after the first identification information returning by the second SIM card base station, if this first identification information indicates the 2G/3G network of the second community, the current place of SIM card to possess data service ability, terminal sends data service handover request to base station by the second SIM card.In this data service handover request, carry the first SIM card in above-mentioned terminal and, when carrying out CSFB, be cached with the second identification information and the 3rd identification information corresponding to this first SIM card of the mobile management entity MME of the first SIM card uncompleted data service under LTE network temporarily.Wherein, this second identification information can be specifically the device address sign of this MME; The 3rd identification information can be the card number code of the first SIM card.This data service handover request is used to indicate the uncompleted data service of the first SIM card of buffer memory in base station carrying MME.

S205, base station sends data service switching command according to the second identification information to MME, carries the 3rd identification information in this data service switching command;

Base station, according to the device address of the MME of the second identification information indication, sends data service switching command by the MSC under this base station to corresponding MME, carries the 3rd identification information corresponding to the first SIM card in this data service switching command; This data service switching command is used to indicate MME and carries by this base station being buffered in the first SIM card uncompleted PS business under LTE network in the above-mentioned terminal of its this locality.

S206, the uncompleted data service of the first SIM card of buffer memory in base station carrying MME, and by the second SIM card, the uncompleted data service of described the first SIM card is sent to terminal;

Particularly, in base station carrying MME, the specific implementation of the uncompleted data service of the first SIM card of buffer memory can be: base station sends data service switching command by the MSC under this base station to MME corresponding to the second identification information comprising in above-mentioned data service handover request, carries the 3rd identification information corresponding to the first SIM card in this data service switching command; MME receives after this data service switching command, the status switch number that the packet current waiting for transmission of uncompleted data service corresponding to above-mentioned first SIM card of current cache is transmitted is sent to this base station by the MSC under base station, so that this base station sequentially receives the packet of data service corresponding to the first SIM card of buffer memory MME from the status switch beginning of this packet, and then realize the uncompleted data service of the first SIM card of buffer memory in carrying MME.Wherein, the concrete mode that MSC communicates by letter with MME realization and the communication protocol of employing are prior art, and therefore not to repeat here.Base station is sent to above-mentioned terminal by the packet of the uncompleted data service of the first SIM card from MME carrying by the 2nd SIM.

Data service handling method provided by the invention, the data service capability requests that base station receiving terminal sends by the second SIM card in terminal; This data service capability requests is for obtaining the data service ability of the 2G/3G network of the second community, the current place of SIM card; The data service ability of the 2G/3G network of the second community, the current place of SIM card is detected in base station according to data service capability requests; Base station sends data service capabilities response by the second SIM card to terminal, and whether the 2G/3G network that carries sign the second community, the current place of SIM card in this data service capabilities response possesses the first identification information of data service ability; The first identification information indicates the 2G/3G network of the second community, the current place of SIM card to possess data service ability, the data service handover request that base station sends by the second SIM card receiving terminal; In this data service handover request, carry the second identification information of mobile management entity MME and the 3rd identification information of the first SIM card of the uncompleted data service of the first SIM card being cached with in terminal; Base station sends data service switching command according to the second identification information to MME, carries described the 3rd identification information in this data service switching command; The uncompleted data service of the first SIM card of buffer memory in base station carrying MME, and by the second SIM card, the uncompleted data service of the first SIM card is sent to terminal.This scheme makes in terminal the first SIM card in carrying out CSFB process, and uncompleted PS territory business, without hang-up, but is continued to have carried by the second SIM card in this terminal, has improved the execution efficiency of PS territory business.

Fig. 3 is the flow chart of another embodiment of data service handling method provided by the invention; The executive agent of the following steps of the method can be mobile management entity MME corresponding under LTE network under the first SIM card in double-card mobile phone terminal.Wherein, the first SIM card in this double-card mobile phone terminal is supported LTE network formats, and it possesses CSFB function when carrying out speech business; The second SIM card in this double-card mobile phone terminal possesses 2G/3G Network ability.Described in the present embodiment, the applied environment of method is the edge zone of above-mentioned double-card mobile phone terminal base station or community under 2G/3G network.As shown in Figure 3, this data service handling method specifically comprises:

S301, mobile management entity MME corresponding under the LTE network at the first SIM card place in terminal is at the first SIM card executive circuit domain dropping CSFB, and the 2G/3G network that falls place, Hou community after rise is not during supported data business, the data service switching command that base station under the 2G/3G network of the second community, the current place of SIM card in receiving terminal sends, carries the 3rd identification information of the first SIM card in this data service switching command;

Described in the present embodiment, first SIM card of data service handling method in above-mentioned terminal carried out CSFB, and the 2G/3G network that determine to fall place, Hou community after rise is during supported data business, the corresponding MME under the LTE network that falls the front place of 2G/3G network after rise of the first SIM card in this terminal can receive the data service switching command that the base station under the 2G/3G network of the second community, the current place of SIM card in this terminal sends.Particularly, base station under the 2G/3G network of above-mentioned the second community, the current place of SIM card by the MSC under this base station to sending data service switching command by MME, in this data service switching command, carry the 3rd identification information corresponding to the first SIM card, the 3rd identification information can be the card number code of the first SIM card; This data service switching command is used to indicate MME and carries by this base station being buffered in the first SIM card uncompleted PS business under LTE network in the above-mentioned terminal of its this locality.

S302, MME, according to data service switching command, switches to base station by the uncompleted data service of the first SIM card of buffer memory, to indicate base station to carry the uncompleted data service of the first SIM card, and is sent to described terminal by the second SIM card;

Particularly, in base station carrying MME, the specific implementation of the uncompleted data service of the first SIM card of buffer memory can be: base station sends data service switching command by the MSC under this base station to above-mentioned MME; MME receives after this data service switching command, the status switch number packet current waiting for transmission of uncompleted data service corresponding to above-mentioned first SIM card of current cache being transmitted according to the 3rd identification information in this data service switching command is sent to this base station by the MSC under base station, so that this base station sequentially receives the packet of data service corresponding to the first SIM card of buffer memory MME from the status switch beginning of this packet, and then realize the uncompleted data service of the first SIM card of buffer memory in carrying MME.Wherein, the concrete mode that MSC communicates by letter with MME realization and the communication protocol of employing are prior art, and therefore not to repeat here.Base station is sent to above-mentioned terminal by the packet of the uncompleted data service of the first SIM card from MME carrying by the 2nd SIM.

Data service handling method provided by the invention, mobile management entity MME corresponding under the LTE network at the first SIM card place in terminal is at the first SIM card executive circuit domain dropping CSFB, and the 2G/3G network that falls place, Hou community after rise is not during supported data business, the data service switching command that base station under the 2G/3G network of the second community, the current place of SIM card in receiving terminal sends, carries the 3rd identification information of the first SIM card in this data service switching command; MME, according to described data service switching command, switches to base station by the uncompleted data service of the first SIM card of buffer memory, to indicate this base station to carry the uncompleted data service of the first SIM card, and is sent to described terminal by the second SIM card.This scheme makes in terminal the first SIM card in carrying out CSFB process, and uncompleted PS territory business, without suspending or hanging up, but is continued to have carried by the second SIM card in this terminal, has improved the execution efficiency of PS territory business.

Fig. 4 is the flow chart of another embodiment of data service handling method provided by the invention.The executive agent of the following steps of the method relates under the first SIM card in double-card mobile phone terminal, this double-card mobile phone terminal in mobile management entity MME corresponding under LTE network and this double-card mobile phone terminal under the second SIM card corresponding base station under 2G/3G network.Wherein, the first SIM card in this double-card mobile phone terminal is supported LTE network formats, and it possesses CSFB function when carrying out speech business; The second SIM card in this double-card mobile phone terminal possesses 2G/3G Network ability.Described in the present embodiment, the applied environment of method is the edge zone of above-mentioned double-card mobile phone terminal base station or community under 2G/3G network.As shown in Figure 4, this data service handling method specifically comprises:

S401, the first SIM card executive circuit domain dropping CSFB in terminal, and the 2G/3G network that falls place, Hou community after rise is during supported data business, and this terminal sends data service capability requests by the second SIM card in terminal to base station corresponding to the second SIM card; This data service capability requests is for obtaining the data service ability of the 2G/3G network of the second community, the current place of SIM card; The concrete implementation of this step can be referring to the corresponding contents of step 101.

S402, the data service ability of the 2G/3G network of the second community, the current place of SIM card is detected in base station according to data service capability requests; The concrete implementation of this step can be referring to the corresponding contents of step 202.

S403, terminal receives by the second SIM card the data service capabilities response that base station is returned, and whether the 2G/3G network that carries sign the second community, the current place of SIM card in this data service capabilities response possesses the first identification information of data service ability; The concrete implementation of this step can be referring to the corresponding contents of step 102 or step 203.

S404, if the first identification information indicates the 2G/3G network of the second community, the current place of SIM card to possess data service ability, terminal sends data service handover request to base station by the second SIM card, carries the second identification information of the mobile management entity MME that is cached with the uncompleted data service of the first SIM card and the 3rd identification information of the first SIM card in this data service handover request; The concrete implementation of this step can be referring to the corresponding contents of step 103 or step 204.

S405, if the first identification information indicates the 2G/3G network of the second community, the current place of SIM card not possess data service ability, terminal indicates the second SIM card disconnection to be connected with the network of base station, and connect after disconnection at network, indicate the 2nd SIM again to search for the community that possesses data service ability under 2G/3G network, and the second base station corresponding to community that possesses data service ability under the 2G/3G network again searching to the second SIM card by the second SIM card send above-mentioned data service handover request;

When if above-mentioned the first identification information indicates the 2G/3G network of the second community, the current place of SIM card not possess data service ability, terminal indicates the second SIM card to send network to the base station under the community of the current access of the second SIM card to disconnect request, and the disconnection process of the network connection between execution and corresponding base station.After network connects disconnection, terminal indication the 2nd SIM searches for the community that possesses data service ability under 2G/3G network again, and connection is accessed in definite one of them community.After determining an access community, terminal sends above-mentioned data service handover request by the second the second base station corresponding to SIM card Xiang Gai community.Above-mentioned terminal connects disconnection process with the network between corresponding base station, and the new community of terminal searching access procedure is prior art, and therefore not to repeat here.

S406, base station sends data service switching command according to the second identification information to MME, carries the 3rd identification information in this data service switching command; The concrete implementation of this step can be referring to step 205.

Wherein, if the 2G/3G network of above-mentioned the second community, the current place of SIM card possesses data service ability, the base station in this step is the first base station under the 2G/3G network of the second community, the current place of SIM card in embodiment illustrated in fig. 1; If the 2G/3G network of above-mentioned the second community, the current place of SIM card does not possess data service ability, the base station in this step is after the 2G/3G network disconnection of the second SIM card and community, current place, above-mentioned the second base station corresponding to the community that possesses data service ability again searching.

Wherein, the second identification information of above-mentioned MME can be that after the first SIM card access LTE network in terminal, record is saved in this locality, while switching for follow-up data business, uses.

S407, MME, according to data service switching command, switches to base station by the uncompleted data service of the first SIM card of buffer memory, to indicate base station to carry the uncompleted data service of the first SIM card; The concrete implementation of this step can be referring to step 302.

S408, base station is sent to terminal by the second SIM card by the uncompleted data service of the first SIM card;

Base station corresponding to above-mentioned the second SIM card carried and acquired after the uncompleted data service of above-mentioned the first SIM card according to above-mentioned data service handover request from MME side buffer memory, this data service is sent to above-mentioned terminal by the second SIM card, has so far completed the processing procedure of data service described in the present embodiment.

Data service handling method provided by the invention, the first SIM card executive circuit domain dropping CSFB in terminal, and the 2G/3G network that falls place, Hou community after rise is not during supported data business, and terminal sends data service capability requests by the second SIM card in terminal to the first base station corresponding to the second SIM card; This data service capability requests is for obtaining the data service ability of the 2G/3G network of the second community, the current place of SIM card; Terminal receives the data service capabilities response of returning the first base station by the second SIM card, whether the 2G/3G network that carries sign the second community, the current place of SIM card in this data service capabilities response possesses the first identification information of data service ability; If the first identification information indicates the 2G/3G network of the second community, the current place of SIM card to possess data service ability, terminal sends data service handover request by the second SIM card to the first base station; If the first identification information indicates the 2G/3G network of the second community, the current place of SIM card not possess data service ability, terminal indicates the second SIM card disconnection to be connected with the network of the first base station, and connect after disconnection at network, indicate the 2nd SIM again to search for the community that possesses data service ability under 2G/3G network, and the second base station corresponding to community that possesses data service ability under the 2G/3G network again searching to the second SIM card by the second SIM card send above-mentioned data service handover request; In this data service handover request, carry the second identification information of the mobile management entity MME that is cached with the uncompleted data service of the first SIM card and the 3rd identification information of the first SIM card; This data service handover request is used to indicate the uncompleted data service of the first SIM card of buffer memory in the first base station or the second base station carrying MME, and is sent to terminal by the second SIM card.This scheme makes in terminal the first SIM card in carrying out CSFB process, and uncompleted PS territory business, without suspending or hanging up, but is continued to have carried by the second SIM card in this terminal, has improved the execution efficiency of PS territory business.

One of ordinary skill in the art will appreciate that: all or part of step that realizes above-mentioned each embodiment of the method can complete by the relevant hardware of program command.Aforesaid program can be stored in a computer read/write memory medium.This program, when carrying out, is carried out the step that comprises above-mentioned each embodiment of the method; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CDs.

Fig. 5 is the structural representation of an embodiment of terminal provided by the invention, and this terminal is double-card mobile phone terminal, can carry out the step of data service handling method as shown in Figure 1.Wherein, the first SIM card in this double-card mobile phone terminal is supported LTE network formats, and it possesses CSFB function when carrying out speech business; The second SIM card in this double-card mobile phone terminal possesses 2G/3G Network ability.The edge zone of the double-card mobile phone terminal described in the present embodiment base station or community under 2G/3G network.As shown in Figure 5, this terminal specifically comprises: sending module 51 and receiver module 52; Wherein:

Sending module 51, for the first SIM card executive circuit domain dropping CSFB in terminal, and the 2G/3G network that falls place, Hou community after rise is not during supported data business, and sending module 51 sends data service capability requests by the second SIM card in terminal to the first base station corresponding to the second SIM card; This data service capability requests is for obtaining the data service ability of the 2G/3G network of this community, current place of the second SIM card;

Receiver module 52, for receive the data service capabilities response of returning the first base station by the second SIM card, whether the 2G/3G network that carries sign the second community, the current place of SIM card in this data service capabilities response possesses the first identification information of data service ability;

Above-mentioned sending module 51, if also indicate the 2G/3G network of the second community, the current place of SIM card to possess data service ability for the first identification information, sending module 51 sends data service handover request by the second SIM card to the first base station, carries the second identification information of the mobile management entity MME that is cached with the uncompleted data service of the first SIM card and the 3rd identification information of the first SIM card in this data service handover request;

Above-mentioned receiver module 52, the uncompleted data service of the first SIM card also sending for receive the first base station by the second SIM card; The uncompleted data service of this first SIM card is that acquisition is carried in the first base station from MME side buffer memory according to data service handover request.

Particularly, terminal shown in the present embodiment realizes the process of data service handling method and is:

The first SIM card executive circuit domain dropping CSFB of sending module 51 in terminal, and the 2G/3G network that falls place, Hou community after rise is not during supported data business, and sending module 51 sends data service capability requests by the second SIM card in terminal to the first base station corresponding to the second SIM card; This data service capability requests is for obtaining the data service ability of the 2G/3G network of this community, current place of the second SIM card; This process of transmitting specifically can be referring to the corresponding contents of step 101;

Receiver module 52 sends after data service capability requests by first base station corresponding to the second SIM card of the second SIM card in terminal at sending module 51, by the second SIM card, receive the data service capabilities response of returning the first base station, whether the 2G/3G network that carries sign the second community, the current place of SIM card in this data service capabilities response possesses the first identification information of data service ability; This receiving course specifically can be referring to the corresponding contents of step 102;

If the first identification information indicates the 2G/3G network of the second community, the current place of SIM card to possess data service ability, sending module 51 sends data service handover request by the second SIM card to the first base station, carries the second identification information of the mobile management entity MME that is cached with the uncompleted data service of the first SIM card and the 3rd identification information of the first SIM card in this data service handover request; This process of transmitting specifically can be referring to the corresponding contents of step 103;

Receiver module 52 receives by the second SIM card the uncompleted data service of the first SIM card that the first base station sends; The uncompleted data service of this first SIM card is that acquisition is carried in the first base station from above-mentioned MME side buffer memory according to data service handover request; This receiving course specifically can be referring to the corresponding contents of step 104.

Further, terminal shown in the present embodiment also comprises processing module 53 and memory module 54, as shown in Figure 6, and wherein:

Processing module 53, if indicate the 2G/3G network of the second community, the current place of SIM card not possess data service ability for the first identification information, processing module 53 indication the second SIM card disconnect and being connected with the network of above-mentioned the first base station, and connect after disconnection at network, indication the 2nd SIM searches for the community that possesses data service ability under 2G/3G network again;

Memory module 54, before the first SIM card executive circuit domain dropping CSFB in terminal, stores the second identification information of above-mentioned MME;

Above-mentioned sending module 51, also sends above-mentioned data service handover request for possessing second base station corresponding to community of data service ability under the 2G/3G network again searching to the second SIM card by the second SIM card;

Above-mentioned receiver module 52, the uncompleted data service of the first SIM card also sending for receive the second base station by the second SIM card; The uncompleted data service of this first SIM card is that acquisition is carried in described the second base station from described MME side buffer memory according to described data service handover request.

Particularly, the process of the executing data of terminal shown in the present embodiment method for processing business also comprises:

Before the first SIM card executive circuit domain dropping CSFB in terminal, terminal is by the second identification information of MME corresponding under the LTE network under the interior memory module of establishing 54 storage the first SIM card; This second identification information can be specifically the device address sign of this MME;

At receiver module 52, by the second SIM card, receive after the data service capabilities response of returning the first base station, if the first identification information in this data service capabilities response is for indicating the 2G/3G network of the second community, the current place of SIM card not possess data service ability, processing module 53 indication the second SIM card disconnect and being connected with the network of above-mentioned the first base station, and connect after disconnection at network, indication the 2nd SIM searches for the community that possesses data service ability under 2G/3G network again; And the second base station corresponding to the community that possesses data service ability under the 2G/3G network again being searched to the second SIM card by the second SIM card by sending module 51 sends above-mentioned data service handover request; This process specifically can be referring to the corresponding contents of step 405.Terminal sends after above-mentioned data service handover request to above-mentioned the second base station by sending module 51, by receiver module 52, by the second SIM card, receives the uncompleted data service of the first SIM card that the second base station sends; The uncompleted data service of this first SIM card is that acquisition is carried in the second base station from above-mentioned MME side buffer memory according to above-mentioned data service handover request; This process specifically can receive with reference to above-mentioned receiver module 52 corresponding contents of the uncompleted data service of the first SIM card of the first base station transmission by the second SIM card.

Terminal provided by the invention, the first SIM card executive circuit domain dropping CSFB in terminal, and the 2G/3G network that falls place, Hou community after rise is not during supported data business, and this terminal sends data service capability requests by the second SIM card in terminal to the first base station corresponding to the second SIM card; This data service capability requests is for obtaining the data service ability of the 2G/3G network of the second community, the current place of SIM card; Terminal receives the data service capabilities response of returning the first base station by the second SIM card, whether the 2G/3G network that carries sign the second community, the current place of SIM card in this data service capabilities response possesses the first identification information of data service ability; If the first identification information indicates the 2G/3G network of the second community, the current place of SIM card to possess data service ability, terminal sends data service handover request by described the second SIM card to the first base station, carries the second identification information of the mobile management entity MME that is cached with the uncompleted data service of the first SIM card and the 3rd identification information of the first SIM card in this data service handover request; Terminal receives by the second SIM card the uncompleted data service of the first SIM card that the first base station sends; The uncompleted data service of this first SIM card is that acquisition is carried in the first base station from MME side buffer memory according to data service handover request.This scheme makes in terminal the first SIM card in carrying out CSFB process, and uncompleted PS territory business, without hang-up, but is continued to have carried by the second SIM card in this terminal, has improved the execution efficiency of PS territory business.

Fig. 7 is the structural representation of the embodiment in base station provided by the invention, and the step of data service handling method as shown in Figure 2 can be carried out in this base station.This base station can be corresponding base station under the second SIM card access 2G/3G network in double-card mobile phone terminal.Wherein, the first SIM card in this double-card mobile phone terminal is supported LTE network formats, and it possesses CSFB function when carrying out speech business; Above-mentioned the second SIM card in this double-card mobile phone terminal possesses 2G/3G Network ability.The edge zone of the double-card mobile phone terminal described in the present embodiment base station or community under 2G/3G network.As shown in Figure 7, this terminal specifically comprises: receiver module 71, processing module 72 and sending module 73; Wherein:

Receiver module 71, the data service capability requests sending by the second SIM card in terminal for receiving terminal; This data service capability requests is for obtaining the data service ability of the 2G/3G network of the second community, the current place of SIM card;

Processing module 72, for detecting the data service ability of the 2G/3G network of the second community, the current place of SIM card according to data service capability requests;

Sending module 73, for sending data service capabilities response by the second SIM card to terminal, whether the 2G/3G network that carries sign the second community, the current place of SIM card in this data service capabilities response possesses the first identification information of data service ability;

This receiver module 71, if also indicate the 2G/3G network of the second community, the current place of SIM card to possess data service ability for the first identification information, the data service handover request that receiver module 71 sends by the second SIM card receiving terminal; In this data service handover request, carry the second identification information of mobile management entity MME and the 3rd identification information of the first SIM card of the uncompleted data service of the first SIM card being cached with in terminal;

Above-mentioned sending module 73, also, for sending data service switching command according to the second identification information to MME, carries the 3rd identification information in this data service switching command;

Above-mentioned receiver module 71, also for carrying the uncompleted data service of the first SIM card of MME buffer memory, and is sent to above-mentioned terminal by the second SIM card by the uncompleted data service of the first SIM card by sending module 73.

Particularly, the executing data business procession of base station shown in the present embodiment is:

The data service capability requests that receiver module 71 receiving terminals send by the second SIM card in terminal; This data service capability requests is for obtaining the data service ability of the 2G/3G network of the second community, the current place of SIM card; This receiving course specifically can be referring to the corresponding contents of step 201;

The data service capability requests that processing module 72 receives according to receiver module 71 detects the data service ability of the 2G/3G network of the second community, the current place of SIM card; This processing procedure specifically can be referring to the corresponding contents of step 202;

Sending module 73 sends data service capabilities response by the second SIM card to terminal, and whether the 2G/3G network that carries sign the second community, the current place of SIM card in this data service capabilities response possesses the first identification information of data service ability; This process of transmitting specifically can be referring to the corresponding contents of step 203;

If above-mentioned the first identification information indicates the 2G/3G network of the second community, the current place of SIM card to possess data service ability, the data service handover request that receiver module 71 sends by the second SIM card receiving terminal; In this data service handover request, carry the second identification information of mobile management entity MME and the 3rd identification information of the first SIM card of the uncompleted data service of the first SIM card being cached with in terminal; This receiving course specifically can be referring to the corresponding contents of step 204;

Sending module 73 sends data service switching command according to the second identification information to MME, carries the 3rd identification information in this data service switching command; This process of transmitting specifically can be referring to the corresponding contents of step 205;

The uncompleted data service of the first SIM card of buffer memory in receiver module 71 carrying MME, and by the second SIM card, the uncompleted data service of the first SIM card is sent to above-mentioned terminal by sending module 73; This process of transmitting specifically can be referring to the corresponding contents of step 206.

Further, the base station shown in the present embodiment also comprises on the basis of function as shown in Figure 7:

Receiver module 71, if also indicate the 2G/3G network of the second community, the current place of SIM card not possess data service ability for the first identification information, the network that receiver module 71 sends by the second SIM card receiving terminal disconnects request;

Processing module 72, is also connected with the network of the second SIM card for disconnect request disconnection according to network.

Particularly, if the first identification information carrying in the above-mentioned data service capabilities response that sending module 73 sends to above-mentioned terminal indicates the 2G/3G network of the second community, the current place of SIM card not possess data service ability, receiver module 71 will pass through the network disconnection request that the second SIM card receiving terminal sends, and be connected disconnection process by processing module 72 these base stations of execution with the network between the second SIM card.

Base station provided by the invention, the data service capability requests that receiving terminal sends by the second SIM card in terminal; This data service capability requests is for obtaining the data service ability of the 2G/3G network of the second community, the current place of SIM card; The data service ability of the 2G/3G network of the second community, the current place of SIM card is detected in base station according to data service capability requests; Base station sends data service capabilities response by the second SIM card to terminal, and whether the 2G/3G network that carries sign the second community, the current place of SIM card in this data service capabilities response possesses the first identification information of data service ability; The first identification information indicates the 2G/3G network of the second community, the current place of SIM card to possess data service ability, the data service handover request that base station sends by the second SIM card receiving terminal; In this data service handover request, carry the second identification information of mobile management entity MME and the 3rd identification information of the first SIM card of the uncompleted data service of the first SIM card being cached with in terminal; Base station sends data service switching command according to the second identification information to MME, carries the 3rd identification information in this data service switching command; The uncompleted data service of the first SIM card of buffer memory in base station carrying MME, and by the second SIM card, the uncompleted data service of the first SIM card is sent to terminal.This scheme makes in terminal the first SIM card in carrying out CSFB process, and uncompleted PS territory business, without hang-up, but is continued to have carried by the second SIM card in this terminal, has improved the execution efficiency of PS territory business.

Fig. 8 is the structural representation of an embodiment of mobile management entity MME provided by the invention, can carry out data service handling method as shown in Figure 3.This MME can be mobile management entity MME corresponding under LTE network under the first SIM card in double-card mobile phone terminal.Wherein, the first SIM card in this double-card mobile phone terminal is supported LTE network formats, and it possesses CSFB function when carrying out speech business; The second SIM card in this double-card mobile phone terminal possesses 2G/3G Network ability.The edge zone of the double-card mobile phone terminal described in the present embodiment base station or community under 2G/3G network.As shown in Figure 8, this MME specifically comprises: receiver module 81 and sending module 82; Wherein:

Receiver module 81, for the first SIM card executive circuit domain dropping CSFB in terminal, and the 2G/3G network that falls place, Hou community after rise is not during supported data business, the data service switching command that base station under the 2G/3G network of the second community, the current place of SIM card in receiving terminal sends, carries the 3rd identification information of the first SIM card in this data service switching command;

Sending module 82, for according to data service switching command, switches to above-mentioned base station by the uncompleted data service of the first SIM card of buffer memory, to indicate above-mentioned base station to carry the uncompleted data service of the first SIM card, and is sent to above-mentioned terminal by the second SIM card.

Particularly, the executing data of MME shown in the present embodiment business procession is:

The first SIM card executive circuit domain dropping CSFB of receiver module 81 in terminal, and the 2G/3G network that falls place, Hou community after rise during supported data business, does not carry the 3rd identification information of the first SIM card in this data service switching command of data service switching command that the base station under the 2G/3G network of the second community, the current place of SIM card in receiving terminal sends; This receiving course specifically can be referring to the corresponding contents of step 301;

The data service switching command that sending module 82 receives according to receiver module 81, the uncompleted data service of the first SIM card of buffer memory is switched to above-mentioned base station, to indicate above-mentioned base station to carry the uncompleted data service of the first SIM card, and be sent to above-mentioned terminal by the second SIM card; This process of transmitting specifically can be referring to the corresponding contents of step 302.

Base station provided by the invention, mobile management entity MME corresponding under the LTE network at the first SIM card place in terminal is at the first SIM card executive circuit domain dropping CSFB, and the 2G/3G network that falls place, Hou community after rise is not during supported data business, the data service switching command that base station under the 2G/3G network of the second community, the current place of SIM card in receiving terminal sends, carries the 3rd identification information of the first SIM card in this data service switching command; MME, according to described data service switching command, switches to base station by the uncompleted data service of the first SIM card of buffer memory, to indicate this base station to carry the uncompleted data service of the first SIM card, and is sent to described terminal by the second SIM card.This scheme makes in terminal the first SIM card in carrying out CSFB process, and uncompleted PS territory business, without hang-up, but is continued to have carried by the second SIM card in this terminal, has improved the execution efficiency of PS territory business.

Finally it should be noted that: each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit above; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.

Claims

1. a data service handling method, is characterized in that, comprising:

2. method according to claim 1, is characterized in that, described terminal also comprises after receiving by described the second SIM card the data service capabilities response of returning described the first base station:

If described the first identification information indicates the 2G/3G network of described the second community, the current place of SIM card not possess data service ability, described terminal indicates described the second SIM card disconnection to be connected with the network of described the first base station, and connect after disconnection at described network, indicate described the 2nd SIM again to search for the community that possesses data service ability under 2G/3G network, and the second base station corresponding to community that possesses data service ability described under the 2G/3G network again searching to described the second SIM card by described the second SIM card send described data service handover request;

Described terminal receives by described the second SIM card the uncompleted data service of described the first SIM card that described the second base station sends; The uncompleted data service of described the first SIM card is that acquisition is carried in described the second base station from described MME side buffer memory according to described data service handover request.

3. method according to claim 1 and 2, is characterized in that, before the first SIM card executive circuit domain dropping CSFB in described terminal, comprising: described the second identification information of MME described in described terminal storage.

4. a data service handling method, is characterized in that, comprising:

5. method according to claim 4, is characterized in that, described base station, also comprises by described the second SIM card after described terminal sends data service capabilities response:

If described the first identification information indicates the 2G/3G network of described the second community, the current place of SIM card not possess data service ability, described base station receives by described the second SIM card the network disconnection request that described terminal sends;

Described base station disconnects request disconnection according to described network and is connected with the network of described the second SIM card.

6. a data service handling method, is characterized in that, comprising:

7. a terminal, is characterized in that, comprising:

8. terminal according to claim 7, is characterized in that, also comprises:

Processing module, if indicate the 2G/3G network of described the second community, the current place of SIM card not possess data service ability for described the first identification information, described processing module indicates described the second SIM card disconnection to be connected with the network of described the first base station, and connect after disconnection at described network, indicate described the 2nd SIM again to search for the community that possesses data service ability under 2G/3G network;

Described sending module, also sends described data service handover request for possessing second base station corresponding to community of data service ability described under the 2G/3G network again searching to described the second SIM card by described the second SIM card;

Described receiver module, the uncompleted data service of described the first SIM card also sending for receive described the second base station by described the second SIM card; The uncompleted data service of described the first SIM card is that acquisition is carried in described the second base station from described MME side buffer memory according to described data service handover request.

9. according to the terminal described in claim 7 or 8, it is characterized in that, also comprise:

Memory module, before the first SIM card executive circuit domain dropping CSFB in described terminal, stores described the second identification information of described MME.

10. a base station, is characterized in that, comprising:

11. base stations according to claim 10, is characterized in that,

Described receiver module, if also indicate the 2G/3G network of described the second community, the current place of SIM card not possess data service ability for described the first identification information, described receiver module receives by described the second SIM card the network disconnection request that described terminal sends;

Described processing module, is also connected with the network of described the second SIM card for disconnect request disconnection according to described network.

12. 1 kinds of mobile management entities, is characterized in that, comprising: