CN103596227A - Network handover method and system - Google Patents
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- CN103596227A CN103596227A CN201310545621.3A CN201310545621A CN103596227A CN 103596227 A CN103596227 A CN 103596227A CN 201310545621 A CN201310545621 A CN 201310545621A CN 103596227 A CN103596227 A CN 103596227A
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Abstract
The invention provides a network handover method. The network handover method comprises the steps that the type of a target network is preset; the signal intensity of the target network of an area where a mobile terminal is located is detected, and the type and the signal intensity of a network which the mobile terminal resides in currently are detected; the initial threshold value of the target network of the area where the mobile terminal is located is obtained; according to the signal intensity of the network which the mobile terminal resides in currently and a preset threshold additional value, the initial threshold value is adjusted, so that a dynamic threshold value is obtained; the dynamic threshold value and the signal intensity of the target network are compared, handover is conducted on the type of the network which the mobile terminal resides in according to a comparison result. Correspondingly, the invention further provides a network handover system. The network handover method and system have the advantages that when network handover is conducted, not only is the initial threshold value of the signal intensity of the network of the area where the mobile terminal is located considered, but also the initial threshold value is adjusted according to the signal intensity of the current network, and the threshold value of network handover is dynamically adjusted, so that the mobile terminal is made to reside in the network with the high network signal intensity as long as possible, and therefore the optimization effect on the call quality is better.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of method for switching network and system.
Background technology
The network condition quality at the speech quality of communicating terminal and its place is closely bound up.Present mobile communication terminal, its communication mainly depends on wireless network.For example present mobile phone, mainly realizes communication by 2G network and/or 3G network.3G network (as TD-SCDMA network) relatively 2G network is started late, some areas 3G network equipment imperfection, and network signal coverage rate is low, causes using the mobile phone communication poor quality of 3G network call in some areas.When mobile phone shuttles back and forth between different regions, easily because the signal strength signal intensity of 3G network is bad, reduce speech quality.The 2G network equipment is perfect, and network signal coverage rate is high, and network signal is good, still, as the wireless communication networks of an old generation, progressively by 3G network, is replaced.
In order to optimize the speech quality of mobile phone, general solution is, sets in advance a threshold value, and the signal strength signal intensity of the 3G network of detection of handset location, makes comparisons this signal strength signal intensity and threshold value, carrys out the network of the current registration of switch mobile phone according to result relatively.In this way, realize the switching of the network of mobile telephone registration, as realize the switching back and forth between 2G network and 3G network, mobile phone is resided in the good network of signal strength signal intensity, reach the effect of optimizing speech quality.
Yet, above-mentioned method for switching network, no matter mobile phone is in any area, is all that 3G network signal strength signal intensity and the threshold value of mobile phone location are made comparisons, and then allows mobile phone switch between 2G internet and 3G network.No matter the regional 2G network signal that mobile phone is positioned how, the basis of not switching as network, finally causes the speech quality of mobile phone can not reach optimization, and the effect of optimization of speech quality is not good.
Summary of the invention
Based on this, being necessary, for the not good problem of effect of optimization of the speech quality of prior art, provides a kind of method for switching network and system.
, comprise step:
The type of goal-selling network;
Detect the signal strength signal intensity of objective network and type and the signal strength signal intensity of current resident network of mobile terminal location;
Obtain the initial threshold of the objective network of mobile terminal location;
According to the signal strength signal intensity of described current resident network and default threshold value added value, described initial threshold adjustment is obtained to dynamic threshold;
The size of the signal strength signal intensity of more described dynamic threshold and described objective network, and according to the type of the resident network of the result switching mobile terminal comparing.
Meanwhile, also provide a kind of network switched system, comprising:
Objective network module: the type of goal-selling network;
Network detection module: for detection of the signal strength signal intensity of objective network and type and the signal strength signal intensity of current resident network of mobile terminal location;
Threshold value acquisition module: the initial threshold of obtaining the objective network of mobile terminal location;
Threshold value adjusting module: be connected with threshold value acquisition module with described network detection module, for described initial threshold adjustment being obtained to dynamic threshold according to described signal strength signal intensity and default threshold value added value;
Network handover module: be connected with threshold value adjusting module with described objective network module, for the size of the signal strength signal intensity of more described dynamic threshold and described objective network, and switch the type of the resident network of mobile terminal according to result relatively.
Beneficial effect of the present invention is: the initial threshold of obtaining the network signal intensity of mobile terminal location.Then, by according to the signal strength signal intensity of the current residing network of mobile terminal and default threshold value added value, initial threshold being adjusted, obtain new threshold value, i.e. a dynamic threshold.Finally, the signal strength signal intensity of objective network and dynamic threshold are made comparisons, and according to result relatively, switch the type of the resident network of mobile terminal.When handover network, not only considered the initial threshold of signal strength signal intensity of the network of mobile terminal location, and according to the signal strength signal intensity of current network, initial threshold is adjusted, dynamically adjust the threshold value that network switches, mobile terminal is rested in the good network of network signal as far as possible, and the effect of optimization of speech quality is better.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the method for switching network of one embodiment of the present invention;
Fig. 2 is the structural representation of the network switched system of one embodiment of the present invention.
Embodiment
Embodiment for method for switching network of the present invention and system is described in detail below.
First for method for switching network, be described.
Referring to Fig. 1, be the schematic flow sheet of the method for switching network of one embodiment of the present invention, comprise step:
S100: the type of goal-selling network.
Concrete, can set in advance what a objective network according to the needs that switch, as 3G or 2G or 4G, particular type requires to arrange according to user.
S200: the signal strength signal intensity of objective network and type and the signal strength signal intensity of current resident network that detect mobile terminal location.
Because the type of the network that existing mobile terminal is used has multiple, so detect the type of the current resident network of mobile terminal and the signal strength signal intensity of network, also to detect the signal strength signal intensity of objective network, for next step threshold value adjustment and switching are relatively prepared simultaneously.
S300: the initial threshold of obtaining the objective network of mobile terminal location.
Wherein, initial threshold is the threshold of a switching in network handoff technique.Hypothetical target network is 3G, and this threshold value is corresponding 3G network, same, and hypothetical target network is 4G, and this threshold value is corresponding 4G network, and in like manner, according to the type of objective network, threshold value can correspondingly arrange.This initial threshold can be the value corresponding default according to each area, can be also a unified value, with practice situation, determines.In addition, initial threshold can detect and debug acquisition on the spot by staff, as for the non-emphasis of the present invention of concrete acquisition process, therefore not to repeat.
S400: initial threshold adjustment is obtained to dynamic threshold according to signal strength signal intensity and default threshold value added value.
Because in general each regional signal strength signal intensity there are differences, meanwhile, also there is the possibility of fluctuation in signal strength signal intensity, so, can set in advance a plurality of threshold value added values, the size of this threshold value added value is determined according to the signal strength signal intensity of network.For example, set in advance a plurality of threshold value added values associated with signal strength signal intensity, as T1, T2, T3 and T4, the signal strength signal intensity that detects the current residing network of mobile terminal in step S200 is S, can judge S corresponding with T1, so according to the size of S, suppose that the initial threshold getting is T0 in step S200, the processing that T0 and T1 performed mathematical calculations, obtains a new initial threshold, i.e. dynamic threshold Tt.
S500: the size of the signal strength signal intensity of more described dynamic threshold and described objective network, and according to the type of the resident network of the result switching mobile terminal comparing.The signal strength signal intensity of supposing to detect the on-site objective network of mobile terminal in S200 is K, after obtaining dynamic threshold Tt, the size of K and Tt is compared, and according to result relatively, the current resident network of mobile terminal is switched.
Above-mentioned method for switching network, obtains the initial threshold of the network signal intensity of mobile terminal location.Then, by according to the signal strength signal intensity of the current residing network of mobile terminal and default threshold value added value, initial threshold being adjusted, obtain new threshold value, i.e. a dynamic threshold.Finally, the signal strength signal intensity of objective network and dynamic threshold are made comparisons, and according to result relatively, switch the type of the resident network of mobile terminal.When handover network, not only considered the initial threshold of signal strength signal intensity of the network of mobile terminal location, and according to the signal strength signal intensity of current network, initial threshold is adjusted, dynamically adjust the threshold value that network switches, mobile terminal is rested in the good network of network signal as far as possible, and the effect of optimization of speech quality is better.
In a kind of execution mode, step S400 specifically comprises step therein:
According to the type of network, signal strength signal intensity is divided into a plurality of intervals, and default each interval corresponding threshold value added value.For example, the network that current network type is A, is divided into four continuous intervals by its signal strength signal intensity, as Z1, Z2, Z3 and Z4, and each interval default threshold value added value.As the corresponding threshold value added value of interval Z1 T1, the corresponding threshold value added value of interval Z2 T2, the corresponding threshold value added value of interval Z3 T3, the corresponding threshold value added value of interval Z4 T4.
The interval corresponding to signal strength signal intensity of the current resident network of judgement mobile terminal, and according to the residing interval of current demand signal intensity, described initial threshold is added to upper threshold value added value, obtain dynamic threshold.Supposing to detect current network type in step S200 is A, and the signal strength signal intensity of network is S, and S falls in the scope of interval Z1, and the initial threshold getting in S200 is T0 simultaneously.A0 is added to T1, obtain a new threshold value, i.e. dynamic threshold Tt.
In a kind of execution mode, step S500 specifically comprises step therein:
If the signal strength signal intensity of the objective network of mobile terminal location is more than or equal to dynamic threshold, the resident network of mobile terminal is switched to objective network.
If the signal strength signal intensity of the objective network of mobile terminal location is less than dynamic threshold, the resident network of mobile terminal is switched to current network.
In a kind of execution mode, before step S300, also comprise step therein:
Detect the current call state of mobile terminal, wherein, described call state comprises calling, called and free time;
If the current call state of mobile terminal is for calling out, and current resident network type is objective network, carries out the step of the initial threshold of the network signal intensity that obtains mobile terminal location;
If the current call state of mobile terminal is for calling out, and current resident network type is second network, mobile terminal switched to current network type;
If the current call state of mobile terminal is called or free time, and current resident network type is objective network, mobile terminal switched to current network type;
If the current call state of mobile terminal is called or free time, and current resident network type is second network, carries out the step of the initial threshold of the network signal intensity that obtains mobile terminal location;
Wherein, described second network is the network different from objective network type.
In the present embodiment, the concrete steps of network being switched according to the talking state of mobile terminal adjust, to reach good communication effect.If mobile terminal is when the call state, what more focus on is the success rate of calling out.Relative, mobile terminal is when called or idle condition, and what more focus on is called call completing rate.Here be mainly used for the switching between objective network and dissimilar network.
In a kind of execution mode, objective network is 3G network therein, and second network is 2G network.The present embodiment is mainly that the wireless network that mobile terminal mainly adopts has 2G and 3G network in present communication field.Comparatively speaking, 2G network is as the network of an old generation, and popularity rate is high, and communication apparatus is perfect, and network signal is all better in each area.3G network is as network of new generation, and popularity rate is not as good as 2G, and communication apparatus is at certain areas imperfection, and network signal is very poor in particular locality, therefore need to switch to improve by network the speech quality of mobile terminal.It should be noted that, the present invention is not limited only to the switching of 2G and 3G herein, for emerging 4G network, is not departing under the prerequisite of design of the present invention, be also can realization and 2G or 3G network between switching.
Then,, for above-mentioned method for switching network, a kind of network switched system is proposed, it should be noted that herein, the operation principle of network switched system of the present invention is corresponding with above-mentioned method for switching network, therefore, in narration below, no longer its operation principle is repeated.
Referring to Fig. 2, be the structural representation of the network switched system of one embodiment of the present invention, comprise step:
Objective network module 100: the type of goal-selling network.
Network detection module 200: for detection of the signal strength signal intensity of objective network and type and the signal strength signal intensity of current resident network of mobile terminal location.
Threshold value acquisition module 300: the initial threshold of obtaining the objective network of mobile terminal location.
Threshold value adjusting module 400: be connected with threshold value acquisition module with described network detection module, for described initial threshold adjustment being obtained to dynamic threshold according to described signal strength signal intensity and default threshold value added value.
Network handover module 500: be connected with described objective network module, network detection module and threshold value adjusting module, the size that is used for the signal strength signal intensity of more described dynamic threshold and described objective network, and according to the type of the resident network of the result switching mobile terminal comparing.
Above-mentioned network switched system, obtains the initial threshold of the network signal intensity of mobile terminal location.Then, by according to the signal strength signal intensity of the current residing network of mobile terminal and default threshold value added value, initial threshold being adjusted, obtain new threshold value, i.e. a dynamic threshold.Finally, the signal strength signal intensity of objective network and dynamic threshold are made comparisons, and according to result relatively, switch the type of the resident network of mobile terminal.When handover network, not only considered the initial threshold of signal strength signal intensity of the network of mobile terminal location, and according to the signal strength signal intensity of current network, initial threshold is adjusted, dynamically adjust the threshold value that network switches, mobile terminal is rested in the good network of network signal as far as possible, and the effect of optimization of speech quality is better.
In a kind of execution mode, threshold value adjusting module 400, comprising therein:
Added value is preset unit: for according to the type of network, signal strength signal intensity being divided into a plurality of intervals, and default each interval corresponding threshold value added value;
Dynamic threshold unit: be connected with the default unit of described added value, for judging the interval corresponding to signal strength signal intensity of the current resident network of mobile terminal, and according to the residing interval of current demand signal intensity, described initial threshold is added to upper threshold value added value, obtain dynamic threshold.
In a kind of execution mode, the operation principle of network handover module 500 is therein:
If the signal strength signal intensity of the objective network of mobile terminal location is more than or equal to dynamic threshold, the resident network of mobile terminal is switched to objective network;
If the signal strength signal intensity of the objective network of mobile terminal location is less than dynamic threshold, the resident network of mobile terminal is switched to current network.
In a kind of execution mode, be provided with preposition selection module between network detection module 200 and threshold value acquisition module 300 therein, the operation principle of described preposition selection module is:
Detect the current call state of mobile terminal, wherein, described call state comprises calling, called and free time;
If the current call state of mobile terminal is for calling out, and current resident network type is objective network, carries out the step of the initial threshold of the network signal intensity that obtains mobile terminal location;
If the current call state of mobile terminal is for calling out, and current resident network type is second network, mobile terminal switched to current network type;
If the current call state of mobile terminal is called or free time, and current resident network type is objective network, mobile terminal switched to current network type;
If the current call state of mobile terminal is called or free time, and current resident network type is second network, carries out the step of the initial threshold of the network signal intensity that obtains mobile terminal location;
Wherein, described second network is the network different from objective network type.
In a kind of execution mode, objective network is 3G network therein, and the type of second network is 2G network.
The above embodiment has only expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a method for switching network, is characterized in that, comprises step:
The type of goal-selling network;
Detect the signal strength signal intensity of objective network and type and the signal strength signal intensity of current resident network of mobile terminal location;
Obtain the initial threshold of the objective network of mobile terminal location;
According to the signal strength signal intensity of described current resident network and default threshold value added value, described initial threshold adjustment is obtained to dynamic threshold;
The size of the signal strength signal intensity of more described dynamic threshold and described objective network, and according to the type of the resident network of the result switching mobile terminal comparing.
2. method for switching network according to claim 1, is characterized in that, describedly according to the signal strength signal intensity of described current resident network and default threshold value added value, described initial threshold adjustment is obtained to dynamic threshold, comprises step:
According to the type of network, signal strength signal intensity is divided into a plurality of intervals, and default each interval corresponding threshold value added value;
The interval corresponding to signal strength signal intensity of the current resident network of judgement mobile terminal, and according to the residing interval of current demand signal intensity, described initial threshold is added to upper threshold value added value, obtain dynamic threshold.
3. method for switching network according to claim 1, is characterized in that, the size of the signal strength signal intensity of described dynamic threshold and described objective network, and according to the type of the resident network of the result switching mobile terminal comparing, comprise step:
If the signal strength signal intensity of the objective network of mobile terminal location is more than or equal to dynamic threshold, the resident network of mobile terminal is switched to objective network;
If the signal strength signal intensity of the objective network of mobile terminal location is less than dynamic threshold, the resident network of mobile terminal is switched to current network.
4. according to the method for switching network described in claims 1 to 3 any one, it is characterized in that, described in obtain and also comprise step before the step of initial threshold of network signal intensity of mobile terminal location:
Detect the current call state of mobile terminal, wherein, described call state comprises calling, called and free time;
If the current call state of mobile terminal is for calling out, and current resident network type is objective network, carries out the step of the initial threshold of the network signal intensity that obtains mobile terminal location;
If the current call state of mobile terminal is for calling out, and current resident network type is second network, mobile terminal switched to current network type;
If the current call state of mobile terminal is called or free time, and current resident network type is objective network, mobile terminal switched to current network type;
If the current call state of mobile terminal is called or free time, and current resident network type is second network, carries out the step of the initial threshold of the network signal intensity that obtains mobile terminal location;
Wherein, described second network is the network different from objective network type.
5. method for switching network according to claim 4, is characterized in that, described objective network is 3G network, and described second network is 2G network.
6. a network switched system, is characterized in that, comprising:
Objective network module: the type of goal-selling network;
Network detection module: for detection of the signal strength signal intensity of objective network and type and the signal strength signal intensity of current resident network of mobile terminal location;
Threshold value acquisition module: the initial threshold of obtaining the objective network of mobile terminal location;
Threshold value adjusting module: be connected with threshold value acquisition module with described network detection module, for described initial threshold adjustment being obtained to dynamic threshold according to described signal strength signal intensity and default threshold value added value;
Network handover module: be connected with threshold value adjusting module with described objective network module, for the size of the signal strength signal intensity of more described dynamic threshold and described objective network, and switch the type of the resident network of mobile terminal according to result relatively.
7. network switched system according to claim 6, is characterized in that, described threshold value adjusting module, comprising:
Added value is preset unit: for according to the type of network, signal strength signal intensity being divided into a plurality of intervals, and default each interval corresponding threshold value added value;
Dynamic threshold unit: be connected with the default unit of described added value, for judging the interval corresponding to signal strength signal intensity of the current resident network of mobile terminal, and according to the residing interval of current demand signal intensity, described initial threshold is added to upper threshold value added value, obtain dynamic threshold.
8. network switched system according to claim 6, is characterized in that, described network handover module is further used for:
If the signal strength signal intensity of the objective network of mobile terminal location is more than or equal to dynamic threshold, the resident network of mobile terminal is switched to objective network;
If the signal strength signal intensity of the objective network of mobile terminal location is less than dynamic threshold, the resident network of mobile terminal is switched to current network.
9. according to the network switched system described in claim 6 to 8 any one, it is characterized in that, between described network detection module and threshold value acquisition module, be provided with preposition selection module, described preposition selection module is further used for:
Detect the current call state of mobile terminal, wherein, described call state comprises calling, called and free time;
If the current call state of mobile terminal is for calling out, and current resident network type is objective network, carries out the step of the initial threshold of the network signal intensity that obtains mobile terminal location;
If the current call state of mobile terminal is for calling out, and current resident network type is second network, mobile terminal switched to current network type;
If the current call state of mobile terminal is called or free time, and current resident network type is objective network, mobile terminal switched to current network type;
If the current call state of mobile terminal is called or free time, and current resident network type is second network, carries out the step of the initial threshold of the network signal intensity that obtains mobile terminal location;
Wherein, described second network is the network different from objective network type.
10. network switched system according to claim 9, is characterized in that, described objective network is 3G network, and the type of described second network is 2G network.
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| CN112825204A (en) * | 2019-11-20 | 2021-05-21 | 云丁网络技术(北京)有限公司 | Access control method and device based on 2G network, readable medium and equipment |
| CN112825204B (en) * | 2019-11-20 | 2023-03-24 | 云丁网络技术(北京)有限公司 | Access control method and device based on 2G network, readable medium and equipment |
| CN112312498A (en) * | 2020-10-27 | 2021-02-02 | 北京小米移动软件有限公司 | Method and device for switching network and storage medium |
| CN112312498B (en) * | 2020-10-27 | 2023-04-28 | 北京小米移动软件有限公司 | Method and device for switching network and storage medium |
| CN113727403A (en) * | 2021-09-08 | 2021-11-30 | 北京天融信网络安全技术有限公司 | Network switching method and device, electronic equipment and readable storage medium |
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