CN103582064A - Method and device for ensuring continuity of data service - Google Patents
Method and device for ensuring continuity of data service Download PDFInfo
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- CN103582064A CN103582064A CN201210251059.9A CN201210251059A CN103582064A CN 103582064 A CN103582064 A CN 103582064A CN 201210251059 A CN201210251059 A CN 201210251059A CN 103582064 A CN103582064 A CN 103582064A
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Abstract
The invention discloses a method and a device for ensuring continuity of a data service and relates to the field of communication. The method comprises the steps of judging whether or not a data service is performed at a terminal before circuit switch fall back (CSFB) under a situation in which the terminal is from an LTE network to a 3G/2G network through CSFB, and establishing a data service connection in the 3G/2G network to ensure continuity of the data service when determining that a data service is performed at the terminal before CSFB. Through data service connection establishing in the 3G/2G network after CSFB, the problem that a data service is not continuous when the terminal is from the LTE network to the 3G/2G network through CSFB is solved, the continuity of user data services is ensured, and the effect of user experience is enhanced.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of successional method of assurance user data service and device.
Background technology
Each mainstream carrier of the whole world is building Long Term Evolution (Long-Term Evolution at present, be called for short LTE) network, LTE network can meet consumer with the wireless technology of its always online high-throughput the demand ，Shi operator of growing data service is obtained to larger commercial interest.
LTE compares with wireless communication technique before, and one of its feature is to only have packet switching (Packet Switched, referred to as PS) territory and without circuit switching (Circuit Switch, referred to as CS) territory.LTE network is realized the CS business in LTE network by technology such as IP Multimedia System (IP Multimedia Sub-system is called for short IMS) and circuit domain droppings (CS Fall Back is called for short CSFB).In 3GPP, definition can complete the CSFB from LTE network to 3G/2G network by forms such as redirected and switchings, makes LTE user can normally carry out voice call.But, for carrying out the LTE user of PS data service, CSFB technology can not guarantee that user also still can keep the connection of PS data service when 3G/2G network carries out CS business, at 3G/2G network, carrying out CS business like this, for a long time may cause user to experience the problems such as poor to PS data service.
For the problem of user data service poor continuity after CSFB in correlation technique, effective solution is not yet proposed at present.
Summary of the invention
The invention provides a kind of successional method of assurance data service and device, at least to address the above problem.
According to an aspect of the present invention, provide a kind of assurance data service successional method, having comprised: in terminal, from LTE lattice network domain dropping CSFB, to 3G/2G network in the situation that, judged whether described terminal has data service to carry out before CSFB; When definite described terminal has data service to carry out before CSFB, in described 3G/2G network, set up the continuity that data service connects to guarantee data service.
Preferably, terminal comprises to 3G/2G network from LTE network C SFB: when terminal is initiated or received circuit domain CS service signal at LTE network, carry out CSFB, fall back to described 3G/2G network, and carry out CS business from described LTE network in described 3G/2G network.
Preferably, in described 3G/2G network, set up data service connection and comprise: in described 3G/2G network, carry out packet data protocol PDP connection, set up packet switching PS data service and connect.
Preferably, in described 3G/2G network, carrying out PDP connection comprises: judge whether described CS business has been set up in described 3G/2G network; When definite described CS business has been set up in described 3G/2G network, in described 3G/2G network, initiate that PS adheres to and PDP activates and connects.
Preferably, set up data service connection in described 3G/2G network after, described method also comprises: after described CS service ending, disconnect the data service of described terminal in described 3G/2G network and connect and access described LTE network, utilize described LTE network to carry out data service.
Preferably, disconnecting the data service of described terminal in 3G/2G network connects and accesses described LTE network and comprise: disconnect the data service of described terminal in described 3G/2G network and connect; After turn-off data service connection, described terminal enters idle IDLE state; The described terminal that enters idle condition accesses described LTE network to utilize described LTE network to carry out data service.
According to a further aspect in the invention, provide a kind of assurance data service successional device, comprise: detection module, for to 3G/2G network in the situation that, judging whether described terminal has data service to carry out before CSFB from LTE lattice network domain dropping CSFB in terminal; Link block for when definite described terminal has data service to carry out before CSFB, is set up the continuity that data service connects to guarantee data service in described 3G/2G network.
Preferably, described link block, for carrying out packet data protocol PDP connection at described 3G/2G network, is set up packet switching PS data service and is connected.
Preferably, described link block comprises: CS judging unit, for judging whether CS business has been set up at described 3G/2G network; PS linkage unit, in definite described CS business when described 3G/2G network has been set up, in described 3G/2G network, initiate that PS adheres to and PDP activates and connects.
Preferably, described device also comprises: release module, and for after described CS service ending, disconnect the data service of described terminal in described 3G/2G network and connect and access described LTE network, utilize described LTE network to carry out data service.
By the present invention, in terminal from LTE lattice network domain dropping CSFB to 3G/2G network in the situation that, judge whether this terminal has data service to carry out before CSFB, when definite this terminal has data service to carry out before CSFB, in 3G/2G network, set up the continuity that data service connects to guarantee data service, solve the problem of user data service poor continuity after CSFB, and then reached the effect that guarantees user data service continuity, promotes user's experience.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is according to the flow chart of the successional method of assurance data service of the embodiment of the present invention;
Fig. 2 is according to the structured flowchart of the successional device of assurance data service of the embodiment of the present invention;
Fig. 3 is one of flow chart guaranteeing according to the preferred embodiment of the invention the successional method of data service;
Fig. 4 be guarantee according to the preferred embodiment of the invention the successional method of data service flow chart two.
Embodiment
Hereinafter with reference to accompanying drawing, also describe the present invention in detail in conjunction with the embodiments.It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.
Embodiment mono-
The embodiment of the present invention provides a kind of assurance data service successional method, and Fig. 1 is that as shown in Figure 1, the method comprises the following steps according to the flow chart of the successional method of assurance data service of the embodiment of the present invention:
Step S102, to 3G/2G network in the situation that, judges whether this terminal has data service to carry out before CSFB from LTE lattice network domain dropping CSFB in terminal;
Step S104 when definite this terminal has data service to carry out before CSFB, sets up the continuity that data service connects to guarantee data service in 3G/2G network.
Pass through above-mentioned steps, terminal has been set up data service connection at CSFB after 3G/2G network in 3G/2G network, changed and in correlation technique, after CSFB, in 3G/2G network, do not set up the way that data service connects, thereby can solve the data service that CSFB technology cannot guarantee that user still can enjoy data service, interruption at 3G/2G network, made user experience not good problem.
The situation of triggering terminal from LTE network C SFB to 3G/2G network has a variety of, for example, terminal, when LTE network is initiated CS service signal or while receiving CS service signal, all will be carried out CSFB, from LTE network, fall back to 3G/2G network, and carry out CS business in this 3G/2G network.
In 3G/2G network, setting up mode that data service connects has a variety ofly, for example, preferably, can in 3G/2G network, carry out Packet data service (Packet Data Protocol is called for short PDP) and connect, and sets up PS data service and connects.For another example, preferably, can first judge whether CS business has been set up in 3G/2G network, then when definite CS business has been set up in 3G/2G network, in 3G/2G network, initiate that PS adheres to and PDP activates and connects.
Set up data service connection in 3G/2G network after, can also again be linked into LTE to utilize LTE network to carry out data service, to access LTE, the present embodiment provides two kinds of preferred modes:
Optimal way one: after CS service ending, the data service of disconnected end in 3G/2G network connects and access LTE network, utilizes LTE network to carry out data service.
Optimal way two: after CS service ending, the data service of disconnected end in 3G/2G network connects, and terminal enters idle IDLE state, enters the terminal access LTE network of idle condition, utilizes LTE network to carry out data service.
Embodiment bis-
The present embodiment provides a kind of assurance data service successional device, and this device is used for realizing above-described embodiment and preferred implementation, has carried out repeating no more of explanation.As used below, the combination of software and/or the hardware of predetermined function can be realized in term " module ".Although the described device of following examples is preferably realized with software, hardware, or the realization of the combination of software and hardware also may and be conceived.
Fig. 2 is that as shown in Figure 2, this device comprises according to the structured flowchart of the successional device of assurance data service of the embodiment of the present invention: detection module 202, link block 204.Below this structure is described.
Preferably, link block 204, for carrying out PDP connection at 3G/2G network, is set up PS data service and is connected.
Preferably, link block 204 comprises: CS judging unit, for judging whether CS business has been set up at 3G/2G network; PS linkage unit, in definite CS business when 3G/2G network has been set up, in 3G/2G network, initiate that PS adheres to and PDP activates and connects.
Preferably, described device also comprises: release module 206, for after CS service ending, the data service of disconnected end in 3G/2G network connects and access LTE network, utilizes LTE network to carry out data service.
Embodiment tri-
At present, CS business is topmost is exactly speech business, and the present embodiment be take CS speech business as example.
Fig. 3 is one of flow chart guaranteeing according to the preferred embodiment of the invention the successional method of data service, and as shown in Figure 3, the method comprises the following steps:
Step S302, has judged whether data service.
When terminal is when LTE network is initiated or received CS audio call, judge whether current LTE community has PS data service to carry out.If there is PS data service, perform step S304, otherwise will not carry out any operation, carry out normal CS speech business.
Step S304, judges whether to have set up PS connection in 3G/2G network.
Terminal wait current C S speech business has been set up in 3G/2G community,, set up CS and call out (CS MO CALL) or set up CS and connect after (Establish CS connection) message receiving, judge currently whether in 3G/2G community, set up PS connection, if do not set up PS connects in 3G/2G community, perform step S306, otherwise will not carry out any operation, carry out PS data service and CS speech business in normal 3G/2G network.
Step S306 sets up PS and connects in 3G/2G network.
Terminal initiates that PS adheres to automatically in 3G/2G network and PDP activates and connects, guarantee that user can proceed PS data service under 3G/2G network, and perform step S308, if but the PS data service connection in 3G/2G network is not carried out in current C SFB failure.
Whether step S308, detect current speech business and finish.
Detect current C S speech business and whether finish, if current C S speech business finishes, such as receiving voice, control after disconnection (Call Control disconnect) message execution step S310, otherwise execution step S308.
Step S310, disconnects the PS data service in 3G/2G network.
The PS data service of terminal automatic disconnection in 3G/2G network, (idle) state can fast return arrive LTE network to guarantee terminal to enter the free time.
From above-mentioned steps, it is while being triggered by CSFB that terminal is this time redirected in judgement, when CSFB arrives 3G/2G, terminal is automatically carried out PDP connection and is guaranteed that user carries out CS business at 3G/2G and continues to enjoy PS data service simultaneously, thereby has guaranteed the continuity of data.After finishing current C S business, terminal connects automatic disconnection PS, so that the quick gravity treatment of terminal data service with enjoyment higher rate to LTE network.
Embodiment tetra-
Fig. 4 be guarantee according to the preferred embodiment of the invention the successional method of data service flow chart two, as shown in Figure 4, the method comprises the following steps:
Step S402, whether judgement is redirected and by CSFB, is triggered.
Whether judgement is redirected and by CSFB, is triggered, and if so, performs step S404, otherwise process ends.
Whether step S404, have data service to carry out before judging CSFB.
Before judgement CSFB, whether user terminal has data service to carry out, if had, process ends, carries out normal CS business and PS data service, otherwise, execution step S406.
Step S406, sets up data service at 3G/2G network and connects.
When CSFB arrives 3G/2G network, terminal is automatically carried out PDP connection and is guaranteed that terminal use carries out CS business at 3G/2G network and continues to enjoy PS data service simultaneously, thereby guarantees the continuity of data.
Step S408, judges whether current C S business finishes.
Whether terminal judges current C S business finishes, if finished, and execution step S410, otherwise, execution step S408.
Step S410, disconnects PS data service and connects.
After finishing current C S business, terminal automatic disconnection PS data service connects, so that the quick gravity treatment of terminal data service with enjoyment higher rate to LTE network.
Step S412, terminal is linked into LTE network again.
Terminal enters into idle condition after disconnecting PS data service connection fast, and the terminal of idle condition is arrived LTE network by gravity treatment.
Step S414, terminal is carried out data service at LTE network.
Gravity treatment, to the terminal of LTE network, is carried out data service by LTE network, to obtain the more data, services of high-quality.
Embodiment five
This preferred embodiment provides a kind of assurance data service successional device, the same Fig. 2 of its structured flowchart.This device comprises: detection module 202, link block 204 and release module 206.Detection module 202, link block 204 and release module 206 3 parts have formed the basic module that guarantees data continuity after complete CSFB, wherein detection module 202 and link block 204 are the nucleus module of data continuity after assurance user CSFB, release module 206 is for guaranteeing that terminal can enter IDLE state fast after 3G/2G network completes CS business, so that gravity treatment is carried out the more data, services of high-quality after LTE network.
When terminal is when LTE network is initiated or received CS audio call, whether start detection module 202, have data service to judge to current terminal.If current, there is data service, start link block 204, otherwise will not carry out any operation.
After link block 204 starts, need to wait for that current C S speech business set up in 3G/2G community, complete and set up CS and call out (CS MO CALL) or set up CS and connect after (Establish CS connection), judge currently in 3G/2G community, whether set up PS connection.As set up PS, connect, directly start release module 206; As not foundation, link block 204 needs the automatic PS of initiation to adhere to and PDP activates connection, guarantees that user can proceed PS data service under 3G/2G network, starts release module 206 simultaneously.If current C SFB failure, does not carry out the startup of PS service connection and release module 206.
Start after release module 206, detect current C S speech business and whether finish.If judgement current C S speech business finishes, such as, receiving voice and control disconnection message (Call Control disconnect), automatic disconnection PS data service, to guarantee that terminal can fast return arrive LTE network.
As can be seen from the above description, the present invention has realized following technique effect: guaranteed LTE network user terminals at CSFB to still can continual enjoyment PS data service after 3G/2G network, improved user's experience.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in storage device and be carried out by calculation element, and in some cases, can carry out shown or described step with the order being different from herein, or they are made into respectively to each integrated circuit modules, or a plurality of modules in them or step are made into single integrated circuit module to be realized.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. guarantee the successional method of data service, it is characterized in that, comprising:
In terminal, from LTE lattice network domain dropping CSFB, to 3G/2G network in the situation that, judge whether described terminal has data service to carry out before CSFB;
When definite described terminal has data service to carry out before CSFB, in described 3G/2G network, set up the continuity that data service connects to guarantee data service.
2. method according to claim 1, is characterized in that, terminal comprises to 3G/2G network from LTE network C SFB:
When terminal is initiated or received circuit domain CS service signal at LTE network, carry out CSFB, from described LTE network, fall back to described 3G/2G network, and carry out CS business in described 3G/2G network.
3. method according to claim 2, is characterized in that, sets up data service connection and comprise in described 3G/2G network:
In described 3G/2G network, carry out packet data protocol PDP connection, set up packet switching PS data service and connect.
4. method according to claim 3, is characterized in that, carries out PDP connection and comprise in described 3G/2G network:
Judge whether described CS business has been set up in described 3G/2G network;
When definite described CS business has been set up in described 3G/2G network, in described 3G/2G network, initiate that PS adheres to and PDP activates and connects.
5. according to the method described in claim 2 to 4 any one, it is characterized in that, set up data service connection in described 3G/2G network after, described method also comprises:
After described CS service ending, disconnect the data service of described terminal in described 3G/2G network and connect and access described LTE network, utilize described LTE network to carry out data service.
6. method according to claim 5, is characterized in that, disconnects the data service of described terminal in 3G/2G network and connects and access described LTE network and comprise:
Disconnecting the data service of described terminal in described 3G/2G network connects;
After turn-off data service connection, described terminal enters idle IDLE state;
The described terminal that enters idle condition accesses described LTE network to utilize described LTE network to carry out data service.
7. guarantee the successional device of data service, it is characterized in that, comprising:
Detection module, for to 3G/2G network in the situation that, judging whether described terminal has data service to carry out before CSFB from LTE lattice network domain dropping CSFB in terminal;
Link block for when definite described terminal has data service to carry out before CSFB, is set up the continuity that data service connects to guarantee data service in described 3G/2G network.
8. device according to claim 7, is characterized in that, described link block, for carrying out packet data protocol PDP connection at described 3G/2G network, is set up packet switching PS data service and connected.
9. according to the device described in claim 7 or 8, it is characterized in that, described link block comprises:
CS judging unit, for judging whether CS business has been set up at described 3G/2G network;
PS linkage unit, in definite described CS business when described 3G/2G network has been set up, in described 3G/2G network, initiate that PS adheres to and PDP activates and connects.
10. device according to claim 9, is characterized in that, described device also comprises:
Release module, for after described CS service ending, disconnects the data service of described terminal in described 3G/2G network and connects and access described LTE network, utilizes described LTE network to carry out data service.
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| CN106162605A (en) * | 2016-06-29 | 2016-11-23 | 努比亚技术有限公司 | A kind of method of data exchange based on dual-mode terminal and terminal |
| CN108882319A (en) * | 2018-06-01 | 2018-11-23 | 南昌黑鲨科技有限公司 | Mobile network's switching method, mobile terminal and computer readable storage medium |
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