CN105828397B

CN105828397B - A kind of method and mobile terminal switching wireless access point

Info

Publication number: CN105828397B
Application number: CN201610184776.2A
Authority: CN
Inventors: 刘春娇; 吴晓勇; 卿智勇
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2016-03-28
Filing date: 2016-03-28
Publication date: 2019-10-15
Anticipated expiration: 2036-03-28
Also published as: CN105828397A

Abstract

The embodiment provides a kind of methods and mobile terminal for switching wireless access point, wherein this method comprises: judging whether to meet default switching condition when mobile terminal is connect with the first wireless access point；When meeting default switching condition, the performance indicator for one or more wireless access point that mobile terminal had connected is obtained；According to the performance indicator of one or more wireless access point, second wireless access point is selected from one or more wireless access point；According to the performance indicator of the performance indicator of the first wireless access point and the second wireless access point, judge whether to meet the first switching condition；When meeting the first switching condition, the hand-off process of the wireless connection of mobile terminal is carried out.The embodiment of the present invention can make mobile terminal in the environment of more wireless access point, be quickly switched into optimal wireless access point, promote the online experience of user.

Description

A kind of method and mobile terminal switching wireless access point

Technical field

The present invention relates to intelligent terminal technical fields, and more particularly, to a kind of method for switching wireless access point And mobile terminal.

Background technique

In Wireless Fidelity (WiFi, WIreless FIdelity) communication, mobile terminal (STA) passes through wireless access point (AP, ACCESS POINT) realizes the access of internet, due to the limited coverage area of an AP, usually only 50~300 meters, It is extremely limited to the support of terminal mobility, it is therefore desirable to execute and be switched fast between different AP, be caused with reducing to switch between AP The network interruption time.

90% or more switching delay is from scan phase and dynamic host configuration protocol between result of study shows AP Agreement (IP, the Internet interconnected between the network (DHCP, Dynamic Host Configuration Protocol) Protocol two stages) are obtained, the delay for reducing scan phase can significantly reduce switching delay between AP, and then reduce AP Between switch the bring network interruption time.

What traditional WiFi network AP switching followed is the thought of " the first company of having no progeny ", i.e., current quality of connection becomes can not When receiving, STA can just transfer to try to connect other AP, and STA normal communication when can't do standard for possible switching It is standby, so it knows nothing the AP resource of surrounding, then when switching it must just search for first around it is available AP, this scanning process time-consuming are huge.Ap completes to carry out IP acquisition after connecting moves, uses in the conventional arrangement of user Be DHCP dynamic acquisition, and this point often depend on network environment and provide DHCP service administrative mechanism.

In conclusion the time that mobile terminal in the environment of more wireless aps, switches wireless access point is long, the upper dictyosome of user Test difference.

Summary of the invention

The embodiment of the invention provides a kind of methods and mobile terminal for switching wireless access point, solve mobile terminal and exist In the environment of more wireless aps, the time for switching wireless access point is long, the problem of user's online experience difference.

On the one hand, the embodiment provides a kind of methods for switching wireless access point, this method comprises:

When mobile terminal is connect with the first wireless access point, judge whether to meet default switching condition；

When meeting default switching condition, the performance for one or more wireless access point that mobile terminal had connected is obtained Index；

According to the performance indicator of one or more wireless access point, one the is selected from one or more wireless access point Two wireless access point；

According to the performance indicator of the performance indicator of the first wireless access point and the second wireless access point, judge whether satisfaction One switching condition；

When meeting the first switching condition, the hand-off process of the wireless connection of mobile terminal is carried out.

On the other hand, the embodiments of the present invention also provide a kind of mobile terminal, which includes:

First judgment module meets default cut for judging whether when mobile terminal is connect with the first wireless access point Condition is changed, and when meeting default switching condition, triggering obtains module；

Module is obtained, for the triggering according to first judgment module, obtains the one or more that mobile terminal had connected The performance indicator of wireless access point；

Selecting module, for the performance indicator according to one or more wireless access point, from one or more wireless access Second wireless access point is selected in point；

Second judgment module, for being referred to according to the performance indicator of the first wireless access point and the performance of the second wireless access point Mark judges whether to meet the first switching condition, and when meeting the first switching condition, triggers switching module；

Switching module carries out the hand-off process of the wireless connection of mobile terminal for the triggering according to the second judgment module.

Above scheme of the invention is include at least the following beneficial effects:

In an embodiment of the present invention, by judging whether to meet when mobile terminal is connect with the first wireless access point Switching condition is preset, and when meeting default switching condition, the one or more wireless access having connected according to mobile terminal The performance indicator of point selects second wireless access point from one or more wireless access point, and wirelessly connects according to first The performance indicator of the performance indicator of access point and the second wireless access point, judges whether to meet the first switching condition, and when meeting the When one switching condition, the hand-off process of the wireless connection of mobile terminal is carried out, solves mobile terminal in the environment of more wireless aps Under, the time for switching wireless access point is long, and the problem of user's online experience difference, having reached can make mobile terminal in more wireless access In the environment of point, it is quickly switched into optimal wireless access point, promotes the effect of the online experience of user.

Detailed description of the invention

Fig. 1 is the flow chart for switching the method for wireless access point in first embodiment of the invention；

Fig. 2 is to judge whether the flow chart for meeting default switching condition in first embodiment of the invention；

The specific flow chart that Fig. 3 is step S102 in Fig. 1 in first embodiment of the invention；

Fig. 4 is in second embodiment of the invention according to the performance indicator of the first wireless access point and the second wireless access point Performance indicator judges whether the flow chart for meeting the first switching condition；

Fig. 5 is the structural schematic diagram of mobile terminal in third embodiment of the invention；

Fig. 6 is the structural schematic diagram of mobile terminal in fourth embodiment of the invention；

Fig. 7 is the structural schematic diagram of mobile terminal in fifth embodiment of the invention.

Specific embodiment

Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure It is fully disclosed to those skilled in the art.

First embodiment

As shown in Figure 1, the first embodiment of the present invention provides a kind of method for switching wireless access point, this method packet It includes:

Step S101 judges whether to meet default switching condition when mobile terminal is connect with the first wireless access point.

In the first embodiment of the present invention, mobile terminal can be smart phone, tablet computer etc..

Step S102 obtains the one or more that mobile terminal had connected and wirelessly connects when meeting default switching condition The performance indicator of access point.

In the first embodiment of the present invention, triggering step S102 obtains one or more nothings that mobile terminal had connected The implementation of the performance indicator of line access point can elaborate later.

Step S103, according to the performance indicator of one or more wireless access point, from one or more wireless access point Select second wireless access point.

In the first embodiment of the present invention, the one or more that can be had connected by the mobile terminal got is wireless The performance indicator of access point carries out integrated ordered, Jin Ercong to one or more wireless access point that mobile terminal had connected In select optimal wireless access point (i.e. the second wireless access point), so as to it is subsequent carry out wireless access point switching.

Step S104, according to the performance indicator of the performance indicator of the first wireless access point and the second wireless access point, judgement Whether first switching condition is met.

In the first embodiment of the present invention, it in order to which optimal wireless access point can be accessed so as to mobile terminal, is promoted and is used Family online experience, therefore, only when the performance indicator of the second wireless access point is better than the performance indicator of the first wireless access point When (that is, meeting the first switching condition), subsequent step S105 can be just executed.

Step S105 carries out the hand-off process of the wireless connection of mobile terminal when meeting the first switching condition.

In the first embodiment of the present invention, judge whether the specific reality for meeting default switching condition in above-mentioned steps S101 Existing mode can be different because of default switching condition difference.

Specifically, when above-mentioned default switching condition are as follows: the mobile step number for carrying the user of mobile terminal is greater than preset step When number threshold value, judge whether that the step of meeting default switching condition specifically includes in step S101: judgement carries mobile terminal Whether the mobile step number of user is greater than preset step threshold (such as 50 steps), when mobile step number is greater than preset step threshold When, obtained judging result presets switching condition to meet.Wherein, it can be detected simultaneously by the acceleration transducer in mobile terminal The mobile step number for carrying the user of mobile terminal is obtained, specifically, when acceleration transducer detects that the translation of mobile terminal adds When speed is greater than pre-stored translational acceleration amplitude threshold, then it will be considered that the user for carrying mobile terminal moves and move a step.

And work as above-mentioned default switching condition are as follows: the mobile step number for carrying the user of mobile terminal is less than or equal to preset step When the signal strength of number threshold value and the first wireless access point is less than preset signal strength threshold, as shown in Fig. 2, in step S101 Judge whether that the step of meeting default switching condition specifically includes:

Step S201, judges whether the mobile step number for carrying the user of mobile terminal is greater than preset step threshold, works as shifting When dynamic step number is less than or equal to preset step threshold, step S202 is executed；

Step S202, continues to judge whether the signal strength of the first wireless access point is less than or equal to preset signal strength Threshold value executes step S203 when the signal strength of the first wireless access point is less than or equal to preset signal strength threshold, and When the signal strength of the first wireless access point is greater than preset signal strength threshold, step S204 is executed；

Step S203, obtained judging result are to meet default switching condition；

Step S204 terminates process.

In the first embodiment of the present invention, triggering above-mentioned steps S102 obtains one or more that mobile terminal had connected The implementation of the performance indicator of a wireless access point is as follows:

When meeting default switching condition, every a preset time (such as 20 seconds) in mobile terminal pre-stored the One record sheet (it should be noted that first record sheet can carry out real-time update according to the wireless connection situation of mobile terminal) In the corresponding channel of channel frequency of wireless access point be scanned, obtain one or more nothings that mobile terminal had connected The performance indicator of line access point.Wherein, the wireless access point that mobile terminal had connected at least is stored in the first record sheet, with And the channel frequency of the wireless access point.Since in the first way, meeting is every a preset time to pre-stored first The corresponding channel of the channel frequency of wireless access point in record sheet is scanned, and avoids to have more when the first record sheet in this way Newly when (i.e. newly-increased wireless access point), the case where performance indicator of newly-increased wireless access point has not been obtained appearance.It needs to illustrate It is, due to the corresponding channel of channel frequency every a preset time to the wireless access point in pre-stored first record sheet It is scanned, is carried out while mobile terminal is connect with the first wireless access point, it is wireless so as to increase substantially The efficiency of access point scanning shortens the time that mobile terminal carries out wireless access point switching.

In the first embodiment of the present invention, as shown in figure 3, above-mentioned steps S102 is specifically included:

Step S301 is calculated according to the signal strength for the wireless access point that mobile terminal had connected for characterizing First fractional value of the performance indicator for the wireless access point that mobile terminal had connected.

In the first embodiment of the present invention, it can be counted by formula y1=L1/ (1+exp (- k1* (rssi1-rssi2))) Calculation obtains the first fractional value, wherein y1 indicates that the first fractional value, L1 indicate the first preset fraction value (such as 50 points), and k1 is indicated First environment interference coefficient, rssi1 indicate the signal strength of wireless access point that mobile terminal had connected, and rssi2 indicates the One preset signal strength value, exp indicate the natural constant e in higher mathematics.It should be noted that the value of k1 can be set to 0.16, rssi2 value can be set to -70 or -60.It is understood that in the first embodiment of the present invention, not limiting The specific value of k1 and rssi2 can be adjusted according to actual needs.

Step S302, from pre-stored second record sheet, inquiry had connected mobile terminal for characterizing user Wireless access point connection number the second fractional value and the wireless access point that had connected of mobile terminal channel frequency Rate.

In the first embodiment of the present invention, above-mentioned second fractional value also characterizes what user had connected mobile terminal The fancy grade of wireless access point, that is, user more likes, and connection number is more.It is specifically to select nothing before according to user What behavior when line access point was set.For example, user is but when mobile terminal is in the case where connecting the wireless access point of strong signal Selection is switched to the wireless access point of weak signal, in this case, will give the wireless access point bonus point of this weak signal, i.e., by this Second fractional value of the wireless access point of a weak signal is set as positive value (such as+5 points).Wirelessly connected convenient for subsequent in this way When connecing switching, optimal wireless access point is switched to.It should be noted that second record sheet and above-mentioned first record sheet It can be same record sheet.

Step S303, the channel frequency of wireless access point according to the pre-stored data and the corresponding relationship of fractional value, obtain with The corresponding third fractional value of the channel frequency for the wireless access point that mobile terminal had connected.

In the first embodiment of the present invention, the corresponding relationship of the channel frequency and fractional value of wireless access point can be with are as follows: If the channel frequency of wireless access point is 2.4G, then the corresponding fractional value of the wireless access point is 5 points；If wireless access point Channel frequency is 5G, then the corresponding fractional value of the wireless access point is 10 points.It is understood that real of the invention first It applies in example, does not limit in the channel frequency of wireless access point and the corresponding relationship of fractional value, the specific frequency of wireless access point It is worth fractional value corresponding with wireless access point.

Step S304 calculates first and value of the first fractional value, the second fractional value and third fractional value.

Step S305, the performance indicator for the wireless access point that first and value were had connected as mobile terminal.

In the first embodiment of the present invention, each wireless access point having connected for mobile terminal, executes respectively Step S301, step S302, step S303, step S304 and step S305 just can obtain one that mobile terminal had connected Or the performance indicator of multiple wireless access point.

In the first embodiment of the present invention, through the above steps S102 get that mobile terminal had connected one or After the performance indicator of multiple wireless access point, the first He of each wireless access point that can be had connected by comparing mobile terminal The size of value, and using numerical value maximum first in each first and value and it is worth corresponding wireless access point as the second wireless access Point selects second wireless access point, after being convenient for from one or more wireless access point that mobile terminal had connected The hand-off process that continuous mobile terminal is wirelessly connected.

In the first embodiment of the present invention, by judging whether when mobile terminal is connect with the first wireless access point Meet default switching condition, and when meeting default switching condition, the one or more having connected according to mobile terminal is wireless The performance indicator of access point selects second wireless access point from one or more wireless access point, and according to the first nothing The performance indicator of the performance indicator of line access point and the second wireless access point judges whether to meet the first switching condition, and works as full When the first switching condition of foot, the hand-off process of the wireless connection of mobile terminal is carried out, solves mobile terminal in more wireless aps Under environment, the time for switching wireless access point is long, the problem of user's online experience difference, and having reached can make mobile terminal mostly wireless In the environment of access point, it is quickly switched into optimal wireless access point, promotes the effect of the online experience of user.

Second embodiment

The method that first embodiment above simply describes switching wireless access point of the invention, below will be real based on first It applies example and it is further introduced.

As shown in figure 4, according to the performance indicator of the performance indicator of the first wireless access point and the second wireless access point, judgement Whether meet the first switching condition to specifically comprise the following steps:

Step S401 is calculated according to the signal strength of the first wireless access point for characterizing the first wireless access point Performance indicator the 4th fractional value.

In the second embodiment of the present invention, it can be counted by formula y2=L2/ (1+exp (- k2* (rssi3-rssi4))) Calculation obtains the 4th fractional value, wherein y2 indicates that the 4th fractional value, L2 indicate the second preset fraction value (such as 50 points), and k2 is indicated Second environment interference coefficient, rssi3 indicate the signal strength of the first wireless access point, and rssi4 indicates the second preset signal strength Value, exp indicate the natural constant e in higher mathematics.It should be noted that the value of k2 can be set to the value of 0.16, rssi4 It can be set to -70 or -60.It is understood that not limiting the specific of k2 and rssi4 in the second embodiment of the present invention Numerical value can be adjusted according to actual needs.

Step S402 inquires the connection number for characterizing user to first wireless access point from the second record sheet The channel frequency of 5th fractional value and the first wireless access point.

In the second embodiment of the present invention, above-mentioned 5th fractional value also characterizes happiness of the user to the first wireless access point Good degree, that is, user more likes, and connection number is more.It is specifically according to the row before user when selection wireless access point For setting.For example, user but selects to be switched to weak letter when mobile terminal is in the case where connecting the wireless access point of strong signal Number the first wireless access point, in this case, will give this weak signal the first wireless access point bonus point, i.e., by this weak letter Number the first wireless access point the 5th fractional value be set as positive value (such as+5 points).It is being wirelessly connected in this way convenient for subsequent When switching, optimal wireless access point is switched to.

Step S403, the channel frequency of wireless access point according to the pre-stored data and the corresponding relationship of fractional value, obtain with Corresponding 6th fractional value of the channel frequency of first wireless access point.

In the second embodiment of the present invention, the corresponding relationship of the channel frequency of wireless access point and fractional value can be with are as follows: If the channel frequency of wireless access point is 2.4G, then the corresponding fractional value of the wireless access point is 5 points；If wireless access point Channel frequency is 5G, then the corresponding fractional value of the wireless access point is 10 points.It is understood that real of the invention second It applies in example, does not limit in the channel frequency of wireless access point and the corresponding relationship of fractional value, the specific frequency of wireless access point It is worth fractional value corresponding with wireless access point.

Step S404, the corresponding relationship of connection type according to the pre-stored data and fractional value, determination are connect with mobile terminal Corresponding 7th fractional value of the connection type of first wireless access point, and calculate the 4th fractional value, the 5th fractional value, the 6th score Second and value of value and the 7th fractional value.

Wherein, above-mentioned connection type includes connection (i.e. user connects manually) manually and automatic connection.

In the second embodiment of the present invention, if the mode of mobile terminal connection wireless access point is that user connects manually , then corresponding fractional value is 10 points, and if the mode of mobile terminal connection wireless access point is in automatic connection, then Corresponding fractional value is 5 points.Therefore, if the connection type that mobile terminal connects the first wireless access point is that user connects manually , then the 7th fractional value is 10 points, and if mobile terminal connects the connection type of the first wireless access point as in automatic connection , then the 7th fractional value is 5 points.It is understood that in the second embodiment of the present invention, do not limit connection type with In the corresponding relationship of fractional value, the concrete form of connection type and the specific value of fractional value.

Step S405 judges whether mobile terminal can be with network-in-dialing, if mobile whole after accessing the first wireless access point End energy and network-in-dialing after accessing the first wireless access point, then follow the steps S406, if mobile terminal is wireless in access first After access point S407 cannot be thened follow the steps with network-in-dialing.

Step S406 calculates the third difference between the first of the second wireless access point and value and second and value, and judges Whether third difference is greater than zero, if third difference is greater than zero, thens follow the steps S409, if third difference is less than or equal to zero, Execute step S410.

Step S407 calculates the first difference between second and value and the first preset value, and continues to execute step S408.

In the second embodiment of the present invention, above-mentioned first preset value can be 1000 points.It is understood that in this hair In bright second embodiment, the specific value of the first preset value is not limited.

Step S408 calculates the second difference between the first of the second wireless access point and value and the first difference, and judges Whether the second difference is greater than zero, if the second difference is greater than zero, thens follow the steps S409, if the second difference is less than or equal to zero, Execute step S410.

Step S409, obtained judging result are to meet the first switching condition.

Step S410, obtained judging result are to be unsatisfactory for the first switching condition.

In the second embodiment of the present invention, when the performance indicator and the second wireless access point according to the first wireless access point Performance indicator, judge meet the first switching condition when, the hand-off process for carrying out the wireless connection of mobile terminal specifically includes Following steps:

The first step by the second wireless access point of key authentication of pre-stored second wireless access point, and judges pre- It whether there is record information corresponding with the title of the second wireless access point in the IP record sheet first stored, if pre-stored IP There is record information corresponding with the title of the second wireless access point in record sheet, then executes second step；If pre-stored IP Record information corresponding with the title of second wireless access point is not present in record sheet, then executes third step.

In the second embodiment of the present invention, above-mentioned record information includes at least the corresponding DHCP clothes of the second wireless access point The address physics (MAC), gateway ip address, subnet mask, domain name system (DNS, Domain Name System) and the rent of business device It makes an appointment.

Second step, the gateway IP that the second wireless access point corresponding Dynamic Host Configuration Protocol server last time is distributed to mobile terminal Location is allocated to mobile terminal, and mobile terminal is made to access the second wireless access point.

In the second embodiment of the present invention, can from IP record sheet record corresponding with the title of the second wireless access point In information, the gateway ip address that the second wireless access point corresponding Dynamic Host Configuration Protocol server last time distributes to mobile terminal is obtained, and The gateway ip address is allocated to mobile terminal.In this case, if the title correspondence of the second wireless access point is more in IP record sheet When a gateway ip address, can quickly find the second wireless access point corresponding Dynamic Host Configuration Protocol server last time give mobile terminal distribution Gateway ip address, so as to the second wireless access point of mobile terminal high-speed communication.

Third step, with receiving the gateway IP that the corresponding Dynamic Host Configuration Protocol server of the second wireless access point is currently distributed to mobile terminal Location, and the gateway ip address is allocated to mobile terminal, so that mobile terminal is accessed the second wireless access point.

In the second embodiment of the present invention, by judging whether when mobile terminal is connect with the first wireless access point Meet default switching condition, and when meeting default switching condition, the one or more having connected according to mobile terminal is wireless The performance indicator of access point selects second wireless access point from one or more wireless access point, and according to the first nothing The performance indicator of the performance indicator of line access point and the second wireless access point judges whether to meet the first switching condition, and works as full When the first switching condition of foot, gateway IP that the second wireless access point corresponding Dynamic Host Configuration Protocol server last time is distributed to mobile terminal Address is allocated to mobile terminal, and mobile terminal is made to quickly access the second wireless access point, solves mobile terminal in more wireless aps In the environment of, the time for switching wireless access point is long, the problem of user's online experience difference, reached can make mobile terminal mostly without In the environment of line access point, it is quickly switched into optimal wireless access point, promotes the effect of the online experience of user.

3rd embodiment

As shown in figure 5, the third embodiment of the present invention provides a kind of mobile terminal, which includes:

First judgment module 501, it is default for when mobile terminal is connect with the first wireless access point, judging whether to meet Switching condition, and when meeting default switching condition, triggering obtains module 502；

In the third embodiment of the present invention, mobile terminal can be smart phone, tablet computer etc..

Module 502 is obtained, for the triggering according to first judgment module 501, obtains one that mobile terminal had connected Or the performance indicator of multiple wireless access point；

Selecting module 503 wirelessly connects for the performance indicator according to one or more wireless access point from one or more Second wireless access point is selected in access point；

Second judgment module 504, for according to the performance indicator of the first wireless access point and the property of the second wireless access point Energy index judges whether to meet the first switching condition, and when meeting the first switching condition, triggers switching module 505；

Switching module 505 carries out cutting for the wireless connection of mobile terminal for the triggering according to the second judgment module 504 Change processing.

Optionally, if above-mentioned default switching condition are as follows: the mobile step number for carrying the user of mobile terminal is greater than preset step Threshold value is counted, then above-mentioned first judgment module 501 includes:

First judging submodule, for judging to carry whether the mobile step number of user of mobile terminal is greater than preset step number Threshold value, and when mobile step number is greater than preset step threshold, triggering first determines submodule；

First determines submodule, and for the triggering according to the first judging submodule, obtained judging result is default to meet Switching condition.

In the third embodiment of the present invention, above-mentioned preset step threshold can be 50 steps.

Optionally, if above-mentioned default switching condition are as follows: the mobile step number for carrying the user of mobile terminal is less than or equal in advance If step threshold and the first wireless access point signal strength be less than preset signal strength threshold, then above-mentioned first judges mould Block 501 includes:

Second judgment submodule, for judging to carry whether the mobile step number of user of mobile terminal is greater than preset step number Threshold value, and when mobile step number is less than or equal to preset step threshold, trigger third judging submodule；

Third judging submodule judges the signal of the first wireless access point for the triggering according to second judgment submodule Whether intensity is less than or equal to preset signal strength threshold, and when the signal strength of the first wireless access point is less than or equal in advance If signal strength threshold when, triggering second determine submodule；

Second determines submodule, and for the triggering according to third judging submodule, obtained judging result is default to meet Switching condition.

Optionally, above-mentioned acquisition module 502 includes:

First acquisition submodule, for when meeting default switching condition, every a preset time to pre-stored the The corresponding channel of the channel frequency of wireless access point in one record sheet is scanned, and obtains one that mobile terminal had connected Or the performance indicator of multiple wireless access point, the wireless access that mobile terminal had connected at least is stored in the first record sheet The channel frequency of point and the wireless access point.

In the third embodiment of the present invention, above-mentioned first record sheet can according to the wireless connection situation of mobile terminal, into Row real-time update.

Optionally, the first acquisition submodule includes:

First computing unit, the signal strength of the wireless access point for being had connected according to mobile terminal, is calculated For characterizing the first fractional value of the performance indicator for the wireless access point that mobile terminal had connected；

Wherein, which includes:

First computation subunit, for being calculated by formula y1=L1/ (1+exp (- k1* (rssi1-rssi2))) First fractional value, wherein y1 indicates that the first fractional value, L1 indicate the first preset fraction value, and k1 indicates first environment interference coefficient, Rssi1 indicates the signal strength for the wireless access point that mobile terminal had connected, and rssi2 indicates the first preset signal strength value.

In the third embodiment of the present invention, the value that the value of k1 can be set to 0.16, rssi2 can be set to -70 or - 60.It is understood that in the third embodiment of the present invention, the specific value of k1 and rssi2 is not limited, it can basis Actual needs is adjusted.

First query unit, for inquiring for characterizing user to mobile terminal from pre-stored second record sheet The wireless access point that the second fractional value and mobile terminal of the connection number for the wireless access point having connected had connected Channel frequency；

First acquisition unit, the channel frequency pass corresponding with fractional value for wireless access point according to the pre-stored data System obtains third fractional value corresponding with the channel frequency for the wireless access point that mobile terminal had connected；

In the third embodiment of the present invention, the corresponding relationship of the channel frequency and fractional value of wireless access point can be with are as follows: If the channel frequency of wireless access point is 2.4G, then the corresponding fractional value of the wireless access point is 5 points；If wireless access point Channel frequency is 5G, then the corresponding fractional value of the wireless access point is 10 points.It is understood that real in third of the invention It applies in example, does not limit in the channel frequency of wireless access point and the corresponding relationship of fractional value, the specific frequency of wireless access point It is worth fractional value corresponding with wireless access point.

Second computing unit, for calculating first and value of the first fractional value, the second fractional value and third fractional value；

The performance of second acquisition unit, the wireless access point for first and value to have connected as mobile terminal refers to Mark.

Optionally, selecting module 503 includes:

First choice submodule, for compare each wireless access point that mobile terminal had connected first and value it is big It is small；

Second selection submodule, for making numerical value maximum first in each first and value with corresponding wireless access point is worth For the second wireless access point.

Optionally, the second judgment module 504 includes:

First computational submodule is calculated for the signal strength according to the first wireless access point for characterizing first 4th fractional value of the performance indicator of wireless access point；

Wherein, which includes:

Third computing unit, for being calculated the by formula y2=L2/ (1+exp (- k2* (rssi3-rssi4))) Four fractional values, wherein y2 indicates that the 4th fractional value, L2 indicate the second preset fraction value, and k2 indicates second environment interference coefficient, Rssi3 indicates the signal strength of the first wireless access point, and rssi4 indicates the second preset signal strength value.

In the third embodiment of the present invention, the value that the value of k2 can be set to 0.16, rssi4 can be set to -70 or - 60.It is understood that in the third embodiment of the present invention, the specific value of k2 and rssi4 is not limited, it can basis Actual needs is adjusted.

First inquiry submodule, for inquiring for characterizing user to the first wireless access point from the second record sheet Connect the 5th fractional value of number and the channel frequency of the first wireless access point；

Second acquisition submodule, the channel frequency pass corresponding with fractional value for wireless access point according to the pre-stored data System obtains the 6th fractional value corresponding with the channel frequency of the first wireless access point；

Third acquisition submodule is determined and is moved for the corresponding relationship of connection type according to the pre-stored data and fractional value Dynamic terminal connects corresponding 7th fractional value of connection type of the first wireless access point, and calculates the 4th fractional value, the 5th score Second and value of value, the 6th fractional value and the 7th fractional value；

Wherein, above-mentioned connection type includes manual connection and automatic connection.

4th judging submodule, for judging whether mobile terminal can connect after accessing the first wireless access point with network It is logical, and if mobile terminal cannot trigger the second computational submodule with network-in-dialing after accessing the first wireless access point；

Second computational submodule calculates second and is worth and the first preset value for the triggering according to the 4th judging submodule Between the first difference；

In the third embodiment of the present invention, above-mentioned first preset value can be 1000 points.It is understood that in this hair In bright 3rd embodiment, the specific value of the first preset value is not limited.

Third computational submodule, second for calculating the first of the second wireless access point and being worth between the first difference are poor Value, and judge whether the second difference is greater than zero, and if the second difference trigger third greater than zero and determine submodule, and if second Difference is less than or equal to zero, then triggers the 4th and determine submodule；

Third determines submodule, and for the triggering according to third computational submodule, obtained judging result is satisfaction first Switching condition；

4th determines submodule, and for the triggering according to third computational submodule, obtained judging result is to be unsatisfactory for the One switching condition.

Optionally, judge whether mobile terminal can be with network after accessing the first wireless access point in the 4th judging submodule After connection, mobile terminal further include:

Computing module calculates second if being used for mobile terminal energy and network-in-dialing after accessing the first wireless access point First and the third difference between value and second and value of wireless access point, and judge whether third difference is greater than zero, and if the Three differences be greater than zero, then trigger the first determining module, and if third difference be less than or equal to zero, trigger the second determining module；

First determining module, for the triggering according to computing module, obtained judging result is the first switching condition of satisfaction；

Second determining module, for the triggering according to computing module, obtained judging result is to be unsatisfactory for the first switching item Part.

Optionally, switching module 505 includes:

5th judging submodule, for the second wireless access of key authentication by pre-stored second wireless access point Point, and judge with the presence or absence of record information corresponding with the title of the second wireless access point in pre-stored IP record sheet, and If there is record information corresponding with the title of the second wireless access point in pre-stored IP record sheet, the first switching of triggering Submodule, and if in pre-stored IP record sheet be not present record information corresponding with the title of the second wireless access point, Trigger the second switching submodule；

In the third embodiment of the present invention, above-mentioned record information includes at least the corresponding DHCP clothes of the second wireless access point The address physics (MAC), gateway ip address, subnet mask, domain name system (DNS, Domain Name System) and the rent of business device It makes an appointment.

First switching submodule, it is for the triggering according to the 5th judging submodule, the second wireless access point is corresponding The gateway ip address that the Dynamic Host Configuration Protocol server last time distributes to mobile terminal, is allocated to mobile terminal；

It is corresponding to receive the second wireless access point for the triggering according to the 5th judging submodule for second switching submodule The gateway ip address that Dynamic Host Configuration Protocol server is currently distributed to mobile terminal, and the gateway ip address is allocated to mobile terminal.

In the third embodiment of the present invention, by judging whether when mobile terminal is connect with the first wireless access point Meet default switching condition, and when meeting default switching condition, the one or more having connected according to mobile terminal is wireless The performance indicator of access point selects second wireless access point from one or more wireless access point, and according to the first nothing The performance indicator of the performance indicator of line access point and the second wireless access point judges whether to meet the first switching condition, and works as full When the first switching condition of foot, gateway IP that the second wireless access point corresponding Dynamic Host Configuration Protocol server last time is distributed to mobile terminal Address is allocated to mobile terminal, and mobile terminal is made to quickly access the second wireless access point, solves mobile terminal in more wireless aps In the environment of, the time for switching wireless access point is long, the problem of user's online experience difference, reached can make mobile terminal mostly without In the environment of line access point, it is quickly switched into optimal wireless access point, promotes the effect of the online experience of user.

It should be noted that the mobile terminal that third embodiment of the invention provides is using above-mentioned switching wireless access point The mobile terminal of method, i.e., all embodiments of the method for above-mentioned switching wireless access point are suitable for the mobile terminal, and The same or similar beneficial effect can be reached.

Fourth embodiment

As shown in fig. 6, the block diagram of the mobile terminal for fourth embodiment of the invention.Mobile terminal 600 shown in fig. 6 wraps It includes: at least one processor 601, memory 602, at least one network interface 604 and other users interface 603.Mobile terminal Various components in 600 are coupled by bus system 605.It is understood that bus system 605 for realizing these components it Between connection communication.Bus system 605 further includes power bus, control bus and status signal in addition to including data/address bus Bus.But for the sake of clear explanation, various buses are all designated as bus system 605 in Fig. 6.

Wherein, user interface 603 may include display, keyboard or pointing device (for example, mouse, trace ball (trackball), touch-sensitive plate or touch screen etc..

It is appreciated that the memory 602 in the embodiment of the present invention can be volatile memory or nonvolatile memory, It or may include both volatile and non-volatile memories.Wherein, nonvolatile memory can be read-only memory (Read- OnlyMemory, ROM), programmable read only memory (ProgrammableROM, PROM), Erasable Programmable Read Only Memory EPROM (ErasablePROM, EPROM), electrically erasable programmable read-only memory (ElectricallyEPROM, EEPROM) dodge It deposits.Volatile memory can be random access memory (RandomAccessMemory, RAM), and it is slow to be used as external high speed It deposits.By exemplary but be not restricted explanation, the RAM of many forms is available, such as static random access memory (StaticRAM, SRAM), dynamic random access memory (DynamicRAM, DRAM), Synchronous Dynamic Random Access Memory (SynchronousDRAM, SDRAM), double data speed synchronous dynamic RAM (DoubleDataRate SDRAM, DDRSDRAM), enhanced Synchronous Dynamic Random Access Memory (Enhanced SDRAM, ESDRAM), synchronized links Dynamic random access memory (SynchlinkDRAM, SLDRAM) and direct rambus random access memory (DirectRambusRAM, DRRAM).The memory 602 of system and method described herein be intended to include but be not limited to these and The memory of any other suitable type.

In some embodiments, memory 602 stores following element, executable modules or data structures, or Their subset of person or their superset: operating system 6021 and application program 6022.Specifically, it is deposited in memory 602 Stored up the corresponding relationship of the first record sheet, the second record sheet, the channel frequency of wireless access point and fractional value, connection type with point Corresponding relationship and IP record sheet of numerical value etc..

Wherein, operating system 6021 include various system programs, such as ccf layer, core library layer, driving layer etc., are used for Realize various basic businesses and the hardware based task of processing.Application program 6022 includes various application programs, such as media Player (MediaPlayer), browser (Browser) etc., for realizing various applied business.Realize embodiment of the present invention side The program of method may be embodied in application program 6022.

In embodiments of the present invention, by the program or instruction of calling memory 602 to store, specifically, can be application The program or instruction stored in program 6022, processor 601 are used for when mobile terminal 600 is connect with the first wireless access point, Judge whether to meet default switching condition, and when meeting default switching condition, obtains one that mobile terminal 600 had connected Or the performance indicator of multiple wireless access point, and according to the performance indicator of one or more wireless access point, from one or more Second wireless access point is selected in wireless access point, finally the performance indicator further according to the first wireless access point and the second nothing The performance indicator of line access point judges whether to meet the first switching condition, and when meeting the first switching condition, carries out mobile whole The hand-off process of the wireless connection at end 600.

The method that the embodiments of the present invention disclose can be applied in processor 601, or be realized by processor 601. Processor 601 may be a kind of IC chip, the processing capacity with signal.During realization, the above method it is each Step can be completed by the integrated logic circuit of the hardware in processor 601 or the instruction of software form.Above-mentioned processing Device 601 can be general processor, digital signal processor (DigitalSignalProcessor, DSP), specific integrated circuit (ApplicationSpecificIntegratedCircuit, ASIC), ready-made programmable gate array (FieldProgrammableGateArray, FPGA) either other programmable logic device, discrete gate or transistor logic Device, discrete hardware components.It may be implemented or execute disclosed each method, step and the logical box in the embodiment of the present invention Figure.General processor can be microprocessor or the processor is also possible to any conventional processor etc..In conjunction with the present invention The step of method disclosed in embodiment, can be embodied directly in hardware decoding processor and execute completion, or use decoding processor In hardware and software module combination execute completion.Software module can be located at random access memory, and flash memory, read-only memory can In the storage medium of this fields such as program read-only memory or electrically erasable programmable memory, register maturation.The storage Medium is located at memory 602, and processor 601 reads the information in memory 602, and the step of the above method is completed in conjunction with its hardware Suddenly.

It is understood that embodiments described herein can with hardware, software, firmware, middleware, microcode or its Combination is to realize.For hardware realization, processing unit be may be implemented in one or more specific integrated circuit (Application SpecificIntegratedCircuits, ASIC), digital signal processor (DigitalSignalProcessing, DSP), Digital signal processing appts (DSPDevice, DSPD), programmable logic device (ProgrammableLogicDevice, PLD), Field programmable gate array (Field-ProgrammableGateArray, FPGA), general processor, controller, microcontroller In device, microprocessor, other electronic units for executing herein described function or combinations thereof.

For software implementations, it can be realized herein by executing the module (such as process, function etc.) of function described herein The technology.Software code is storable in memory and is executed by processor.Memory can in the processor or It is realized outside processor.

Optionally, it is default whether the mobile step number that processor 601 is also used to judge to carry the user of mobile terminal 600 is greater than Step threshold, and when mobile step number is greater than preset step threshold, obtained judging result is meets default switching condition.

Optionally, it is default whether the mobile step number that processor 601 is also used to judge to carry the user of mobile terminal 600 is greater than Step threshold continue the letter for judging the first wireless access point and when mobile step number is less than or equal to preset step threshold Whether number intensity is less than or equal to preset signal strength threshold, and when the signal strength of the first wireless access point is less than or equal to When preset signal strength threshold, obtained judging result presets switching condition to meet.

Optionally, processor 601 is also used to when meeting default switching condition, every a preset time to pre-stored The corresponding channel of the channel frequency of wireless access point in first record sheet is scanned, and is obtained mobile terminal 600 and was had connected One or more wireless access point performance indicator.Wherein, mobile terminal 600 is at least stored in the first record sheet to have connected The channel frequency of the wireless access point crossed and the wireless access point.

Optionally, the signal strength for the wireless access point that processor 601 is also used to be had connected according to mobile terminal 600, The first fractional value of the performance indicator for characterizing the wireless access point that mobile terminal 600 had connected is calculated；From preparatory In second record sheet of storage, the connection time for characterizing the wireless access point that user had connected mobile terminal 600 is inquired The channel frequency for the wireless access point that several the second fractional values and mobile terminal 600 had connected；Nothing according to the pre-stored data The channel frequency of line access point and the corresponding relationship of fractional value obtain the wireless access point having connected with mobile terminal 600 The corresponding third fractional value of channel frequency；Calculate first and value of the first fractional value, the second fractional value and third fractional value；It will The performance indicator of first wireless access point being had connected with value as mobile terminal 600.

Optionally, processor 601 is also used to calculate by formula y1=L1/ (1+exp (- k1* (rssi1-rssi2))) To the first fractional value, wherein y1 indicates that the first fractional value, L1 indicate the first preset fraction value, and k1 indicates first environment interference system Number, rssi1 indicate the signal strength for the wireless access point that mobile terminal 600 had connected, and rssi2 indicates that the first preset signals are strong Angle value.

Optionally, processor 601 is also used to compare first and value of each wireless access point that mobile terminal 600 had connected Size；Using numerical value maximum first in each first and value and it is worth corresponding wireless access point as the second wireless access point.

Optionally, processor 601 is also used to the signal strength according to the first wireless access point, is calculated for characterizing the 4th fractional value of the performance indicator of one wireless access point；From the second record sheet, inquiry is wireless to first for characterizing user 5th fractional value of the connection number of access point and the channel frequency of the first wireless access point；It is according to the pre-stored data wireless The channel frequency of access point and the corresponding relationship of fractional value obtain the 6th point corresponding with the channel frequency of the first wireless access point Numerical value；The corresponding relationship of connection type according to the pre-stored data and fractional value determines that connecting first with mobile terminal 600 wirelessly connects Corresponding 7th fractional value of the connection type of access point, and the 4th fractional value of calculating, the 5th fractional value, the 6th fractional value and the 7th point Second and value of numerical value, connection type includes manual connection and automatic connection；Judge that mobile terminal 600 wirelessly connects in access first After access point whether can with network-in-dialing, and if mobile terminal 600 after accessing the first wireless access point cannot with network-in-dialing, Calculate the first difference between second and value and the first preset value；Calculate first and the value and the first difference of the second wireless access point Between the second difference, and judge whether the second difference is greater than zero, and if the second difference be greater than zero, obtained judging result is Meet the first switching condition, and if the second difference be less than or equal to zero, obtained judging result be unsatisfactory for the first switching item Part.

Optionally, if processor 601 is also used to mobile terminal 600 and can connect with network after accessing the first wireless access point It is logical, then the third difference between first and value and second and value of the second wireless access point is calculated, and whether judge third difference Greater than zero, and if third difference be greater than zero, obtained judging result be meet the first switching condition, and if third difference is less than Or being equal to zero, then the judging result obtained is to be unsatisfactory for the first switching condition.

Optionally, processor 601 is also used to calculate by formula y2=L2/ (1+exp (- k2* (rssi3-rssi4))) To the 4th fractional value, wherein y2 indicates that the 4th fractional value, L2 indicate the second preset fraction value, and k2 indicates second environment interference system Number, rssi3 indicate the signal strength of the first wireless access point, and rssi4 indicates the second preset signal strength value.

Optionally, processor 601 is also used to wireless by the key authentication second of pre-stored second wireless access point Access point, and judge to believe in pre-stored IP record sheet with the presence or absence of record corresponding with the title of the second wireless access point Breath, record information includes at least the MAC Address and gateway ip address of the corresponding Dynamic Host Configuration Protocol server of the second wireless access point, if in advance There is record information corresponding with the title of the second wireless access point in the IP record sheet of storage, then by the second wireless access point pair The gateway ip address that the Dynamic Host Configuration Protocol server last time answered distributes to mobile terminal 600, is allocated to mobile terminal 600, and if in advance Record information corresponding with the title of the second wireless access point is not present in the IP record sheet of storage, then receives the second wireless access The gateway ip address that the corresponding Dynamic Host Configuration Protocol server of point currently gives mobile terminal 600 to distribute, and the gateway ip address is allocated to shifting Dynamic terminal 600.

Mobile terminal 600 can be realized each process that mobile terminal is realized in previous embodiment, to avoid repeating, here It repeats no more.

In the fourth embodiment of the present invention, by the way that when mobile terminal 600 is connect with the first wireless access point, judgement is No satisfaction presets switching condition, and when meeting default switching condition, the one or more being had connected according to mobile terminal 600 The performance indicator of wireless access point selects second wireless access point from one or more wireless access point, and according to the The performance indicator of the performance indicator of one wireless access point and the second wireless access point judges whether the first switching condition of satisfaction, and When meeting the first switching condition, the hand-off process of the wireless connection of mobile terminal 600 is carried out, mobile terminal 600 is solved and exists In the environment of more wireless aps, the time for switching wireless access point is long, the problem of user's online experience difference, and movement can be made eventually by having reached End 600 is quickly switched into optimal wireless access point, promotes the effect of the online experience of user in the environment of more wireless access point Fruit.

5th embodiment

As shown in fig. 7, the structural schematic diagram of the mobile terminal for fifth embodiment of the invention.Specifically, the movement in Fig. 7 Terminal 700 can be mobile phone, tablet computer, personal digital assistant (PersonalDigital Assistant, PDA) or vehicle-mounted Computer etc..

Mobile terminal 700 in Fig. 7 includes radio frequency (RadioFrequency, RF) circuit 710, memory 720, input list Member 730, display unit 740, processor 760, voicefrequency circuit 770, WiFi (WirelessFidelity) module 780 and power supply 790。

Wherein, input unit 730 can be used for receiving the number or character information of user's input, and generation and mobile terminal The related signal input of 700 user setting and function control.Specifically, in the embodiment of the present invention, which can To include touch panel 731.Touch panel 731, also referred to as touch screen collect the touch operation of user on it or nearby (for example user uses the operations of any suitable object or attachment on touch panel 731 such as finger, stylus), and according to preparatory The formula of setting drives corresponding attachment device.Optionally, touch panel 731 may include touch detecting apparatus and touch controller Two parts.Wherein, the touch orientation of touch detecting apparatus detection user, and touch operation bring signal is detected, by signal Send touch controller to；Touch controller receives touch information from touch detecting apparatus, and is converted into contact coordinate, The processor 760 is given again, and can be received order that processor 760 is sent and be executed.Furthermore, it is possible to using resistance-type, The multiple types such as condenser type, infrared ray and surface acoustic wave realize touch panel 731.In addition to touch panel 731, input unit 730 can also include other input equipments 732, other input equipments 732 can include but is not limited to physical keyboard, function key One of (such as volume control button, switch key etc.), trace ball, mouse, operating stick etc. are a variety of.

Wherein, display unit 740 can be used for showing information input by user or be supplied to the information and movement of user The various menu interfaces of terminal 700.Display unit 740 may include display panel 741, optionally, can use LCD or organic hair The forms such as optical diode (OrganicLight-EmittingDiode, OLED) configure display panel 741.

It should be noted that touch panel 731 can cover display panel 741, touch display screen is formed, when the touch display screen is examined After measuring touch operation on it or nearby, processor 760 is sent to determine the type of touch event, is followed by subsequent processing device 760 provide corresponding visual output according to the type of touch event in touch display screen.

Touch display screen includes Application Program Interface viewing area and common control viewing area.The Application Program Interface viewing area And arrangement mode of the common control viewing area does not limit, can be arranged above and below, left-right situs etc. can distinguish two it is aobvious Show the arrangement mode in area.The Application Program Interface viewing area is displayed for the interface of application program.Each interface can be with The interface elements such as the icon comprising at least one application program and/or widget desktop control.The Application Program Interface viewing area Or the empty interface not comprising any content.This commonly uses control viewing area for showing the higher control of utilization rate, for example, Application icons such as button, interface number, scroll bar, phone directory icon etc. are set.

Wherein processor 760 is the control centre of mobile terminal 700, utilizes various interfaces and connection whole mobile phone Various pieces, by running or executing the software program and/or module that are stored in first memory 721, and calling storage Data in second memory 722 execute the various functions and processing data of mobile terminal 700, thus to mobile terminal 700 Carry out integral monitoring.Optionally, processor 760 may include one or more processing units.Wherein, it is deposited in second memory 722 Stored up the corresponding relationship of the first record sheet, the second record sheet, the channel frequency of wireless access point and fractional value, connection type with point Corresponding relationship and IP record sheet of numerical value etc..

In embodiments of the present invention, by call store the first memory 721 in software program and/or module and/ Or the data in the second memory 722, processor 760 are used for when mobile terminal 700 is connect with the first wireless access point, sentence It is disconnected whether to meet default switching condition, and when meeting default switching condition, obtain that mobile terminal 700 had connected one or The performance indicator of multiple wireless access point, and according to the performance indicator of one or more wireless access point, from one or more nothings Second wireless access point is selected in line access point, finally the performance indicator further according to the first wireless access point and second wireless The performance indicator of access point judges whether to meet the first switching condition, and when meeting the first switching condition, carries out mobile terminal The hand-off process of 700 wireless connection.

Optionally, it is default whether the mobile step number that processor 760 is also used to judge to carry the user of mobile terminal 700 is greater than Step threshold, and when mobile step number is greater than preset step threshold, obtained judging result is meets default switching condition.

Optionally, it is default whether the mobile step number that processor 760 is also used to judge to carry the user of mobile terminal 700 is greater than Step threshold continue the letter for judging the first wireless access point and when mobile step number is less than or equal to preset step threshold Whether number intensity is less than or equal to preset signal strength threshold, and when the signal strength of the first wireless access point is less than or equal to When preset signal strength threshold, obtained judging result presets switching condition to meet.

Optionally, processor 760 is also used to when meeting default switching condition, every a preset time to pre-stored The corresponding channel of the channel frequency of wireless access point in first record sheet is scanned, and is obtained mobile terminal 700 and was had connected One or more wireless access point performance indicator.Wherein, mobile terminal 700 is at least stored in the first record sheet to have connected The channel frequency of the wireless access point crossed and the wireless access point.

Optionally, the signal strength for the wireless access point that processor 760 is also used to be had connected according to mobile terminal 700, The first fractional value of the performance indicator for characterizing the wireless access point that mobile terminal 700 had connected is calculated；From preparatory In second record sheet of storage, the connection time for characterizing the wireless access point that user had connected mobile terminal 700 is inquired The channel frequency for the wireless access point that several the second fractional values and mobile terminal 700 had connected；Nothing according to the pre-stored data The channel frequency of line access point and the corresponding relationship of fractional value obtain the wireless access point having connected with mobile terminal 700 The corresponding third fractional value of channel frequency；Calculate first and value of the first fractional value, the second fractional value and third fractional value；It will The performance indicator of first wireless access point being had connected with value as mobile terminal 700.

Optionally, processor 760 is also used to calculate by formula y1=L1/ (1+exp (- k1* (rssi1-rssi2))) To the first fractional value, wherein y1 indicates that the first fractional value, L1 indicate the first preset fraction value, and k1 indicates first environment interference system Number, rssi1 indicate the signal strength for the wireless access point that mobile terminal 700 had connected, and rssi2 indicates that the first preset signals are strong Angle value.

Optionally, processor 760 is also used to compare first and value of each wireless access point that mobile terminal 700 had connected Size；Using numerical value maximum first in each first and value and it is worth corresponding wireless access point as the second wireless access point.

Optionally, processor 760 is also used to the signal strength according to the first wireless access point, is calculated for characterizing the 4th fractional value of the performance indicator of one wireless access point；From the second record sheet, inquiry is wireless to first for characterizing user 5th fractional value of the connection number of access point and the channel frequency of the first wireless access point；It is according to the pre-stored data wireless The channel frequency of access point and the corresponding relationship of fractional value obtain the 6th point corresponding with the channel frequency of the first wireless access point Numerical value；The corresponding relationship of connection type according to the pre-stored data and fractional value determines that connecting first with mobile terminal 700 wirelessly connects Corresponding 7th fractional value of the connection type of access point, and the 4th fractional value of calculating, the 5th fractional value, the 6th fractional value and the 7th point Second and value of numerical value, connection type includes manual connection and automatic connection；Judge that mobile terminal 700 wirelessly connects in access first After access point whether can with network-in-dialing, and if mobile terminal 700 after accessing the first wireless access point cannot with network-in-dialing, Calculate the first difference between second and value and the first preset value；Calculate first and the value and the first difference of the second wireless access point Between the second difference, and judge whether the second difference is greater than zero, and if the second difference be greater than zero, obtained judging result is Meet the first switching condition, and if the second difference be less than or equal to zero, obtained judging result be unsatisfactory for the first switching item Part.

Optionally, if processor 760 is also used to mobile terminal 700 and can connect with network after accessing the first wireless access point It is logical, then the third difference between first and value and second and value of the second wireless access point is calculated, and whether judge third difference Greater than zero, and if third difference be greater than zero, obtained judging result be meet the first switching condition, and if third difference is less than Or being equal to zero, then the judging result obtained is to be unsatisfactory for the first switching condition.

Optionally, processor 760 is also used to calculate by formula y2=L2/ (1+exp (- k2* (rssi3-rssi4))) To the 4th fractional value, wherein y2 indicates that the 4th fractional value, L2 indicate the second preset fraction value, and k2 indicates second environment interference system Number, rssi3 indicate the signal strength of the first wireless access point, and rssi4 indicates the second preset signal strength value.

Optionally, processor 760 is also used to wireless by the key authentication second of pre-stored second wireless access point Access point, and judge to believe in pre-stored IP record sheet with the presence or absence of record corresponding with the title of the second wireless access point Breath, record information includes at least the MAC Address and gateway ip address of the corresponding Dynamic Host Configuration Protocol server of the second wireless access point, if in advance There is record information corresponding with the title of the second wireless access point in the IP record sheet of storage, then by the second wireless access point pair The gateway ip address that the Dynamic Host Configuration Protocol server last time answered distributes to mobile terminal 700, is allocated to mobile terminal 700, and if in advance Record information corresponding with the title of the second wireless access point is not present in the IP record sheet of storage, then receives the second wireless access The gateway ip address that the corresponding Dynamic Host Configuration Protocol server of point currently gives mobile terminal 700 to distribute, and the gateway ip address is allocated to shifting Dynamic terminal 700.

As it can be seen that in the fifth embodiment of the present invention, by judging when mobile terminal is connect with the first wireless access point Whether satisfaction presets switching condition, and when meeting default switching condition, the one or more being had connected according to mobile terminal The performance indicator of wireless access point selects second wireless access point from one or more wireless access point, and according to the The performance indicator of the performance indicator of one wireless access point and the second wireless access point judges whether the first switching condition of satisfaction, and When meeting the first switching condition, the hand-off process of the wireless connection of mobile terminal is carried out, solves mobile terminal mostly wireless In the environment of AP, the time for switching wireless access point is long, and the problem of user's online experience difference, having reached can make mobile terminal more In the environment of wireless access point, it is quickly switched into optimal wireless access point, promotes the effect of the online experience of user.

Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed The scope of the present invention.

It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description, The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.

In embodiment provided herein, it should be understood that disclosed device and method can pass through others Mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of the unit, only A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of device or unit It connects, can be electrical property, mechanical or other forms.

The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme 's.

It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit It is that each unit physically exists alone, can also be integrated in one unit with two or more units.

It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product It is stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially in other words The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a People's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention. And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, ROM, RAM, magnetic or disk etc. are various can store program code Medium.

The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.

Claims

1. a kind of method for switching wireless access point, which is characterized in that the described method includes:

When meeting the default switching condition, one or more wireless access point that the mobile terminal had connected are obtained Performance indicator；

According to the performance indicator of one or more of wireless access point, one is selected from one or more of wireless access point A second wireless access point；

According to the performance indicator of the performance indicator of first wireless access point and second wireless access point, judge whether full The first switching condition of foot；

When meeting first switching condition, the hand-off process of the wireless connection of the mobile terminal is carried out；

It is described when meeting the default switching condition, obtain one or more wireless access that the mobile terminal had connected The performance indicator of point, comprising:

When meeting the default switching condition, every a preset time to the wireless access in pre-stored first record sheet The corresponding channel of channel frequency of point is scanned, and obtains one or more wireless access point that the mobile terminal had connected Performance indicator, the wireless access point that the mobile terminal had connected at least is stored in first record sheet, and should The channel frequency of wireless access point；

The performance indicator for obtaining one or more wireless access point that the mobile terminal had connected, comprising:

According to the signal strength for the wireless access point that the mobile terminal had connected, it is calculated described mobile whole for characterizing Hold the first fractional value of the performance indicator for the wireless access point having connected；

From pre-stored second record sheet, the wireless access having connected for characterizing user to the mobile terminal is inquired The channel frequency for the wireless access point that the second fractional value and the mobile terminal of the connection number of point had connected；

The channel frequency of wireless access point according to the pre-stored data and the corresponding relationship of fractional value are obtained with the mobile terminal The corresponding third fractional value of the channel frequency of the wireless access point connected；

Calculate first and value of first fractional value, second fractional value and the third fractional value；

The performance indicator for the wireless access point that described first and value were had connected as the mobile terminal；

It is described according to the performance indicator of first wireless access point and the performance indicator of second wireless access point, judgement are The first switching condition of no satisfaction, comprising:

According to the signal strength of first wireless access point, the performance for characterizing first wireless access point is calculated 4th fractional value of index；

From second record sheet, the 5th point for connecting number for characterizing user to first wireless access point is inquired The channel frequency of numerical value and first wireless access point；

The channel frequency of wireless access point according to the pre-stored data and the corresponding relationship of fractional value, acquisition wirelessly connect with described first Corresponding 6th fractional value of the channel frequency of access point；

The corresponding relationship of connection type according to the pre-stored data and fractional value, determination connect first nothing with the mobile terminal Corresponding 7th fractional value of the connection type of line access point, and calculate the 4th fractional value, the 5th fractional value, described Second and value of six fractional values and the 7th fractional value, the connection type includes manual connection and automatic connection；

Judge whether the mobile terminal can be with network-in-dialing after accessing first wireless access point；

If the mobile terminal cannot calculate described second and value with network-in-dialing after accessing first wireless access point The first difference between the first preset value；

The second difference between first and value of second wireless access point and first difference is calculated, and judges described Whether two differences are greater than zero；

If second difference is greater than zero, obtained judging result is to meet first switching condition；

If second difference is less than or equal to zero, obtained judging result is to be unsatisfactory for first switching condition.

2. the method according to claim 1, wherein

It is described to judge whether to meet default switching condition, comprising:

Judge whether the mobile step number for carrying the user of the mobile terminal is greater than preset step threshold；

When the mobile step number is greater than preset step threshold, obtained judging result is to meet the default switching condition.

3. the method according to claim 1, wherein described judge whether to meet default switching condition, comprising:

When the mobile step number is less than or equal to preset step threshold, the signal strength of first wireless access point is judged Whether preset signal strength threshold is less than or equal to；

When the signal strength of first wireless access point is less than or equal to preset signal strength threshold, obtained judgement knot Fruit is to meet the default switching condition.

4. the method as described in claim 1, which is characterized in that the wireless access being had connected according to the mobile terminal The signal strength of point, is calculated first of the performance indicator for characterizing the wireless access point that the mobile terminal had connected Fractional value, comprising:

First fractional value is calculated by formula y1=L1/ (1+exp (- k1* (rssi1-rssi2))), wherein y1 table Show that first fractional value, L1 indicate the first preset fraction value, k1 indicates that first environment interference coefficient, rssi1 indicate the shifting The signal strength for the wireless access point that dynamic terminal had connected, rssi2 indicate the first preset signal strength value.

5. the method as described in claim 1, which is characterized in that the performance according to one or more of wireless access point Index selects second wireless access point from one or more of wireless access point, comprising:

Compare the first of each wireless access point that the mobile terminal had connected and the size of value；

Using numerical value maximum first in each first and value and it is worth corresponding wireless access point as the second wireless access point.

6. the method as described in claim 1, which is characterized in that accessing first nothing in the judgement mobile terminal After line access point whether can with after network-in-dialing, the method also includes:

If the mobile terminal energy and network-in-dialing after accessing first wireless access point, calculate described second and wirelessly connect First and the third difference between value and described second and value of access point, and judge whether the third difference is greater than zero；

If the third difference is greater than zero, obtained judging result is to meet first switching condition；

If the third difference is less than or equal to zero, obtained judging result is to be unsatisfactory for first switching condition.

7. the method as described in claim 1, which is characterized in that the signal strength according to first wireless access point, The 4th fractional value of the performance indicator for characterizing first wireless access point is calculated, comprising:

The 4th fractional value is calculated by formula y2=L2/ (1+exp (- k2* (rssi3-rssi4))), wherein y2 table Show that the 4th fractional value, L2 indicate the second preset fraction value, k2 indicates that second environment interference coefficient, rssi3 indicate the first nothing The signal strength of line access point, rssi4 indicate the second preset signal strength value.

8. the method as described in claim 1, which is characterized in that it is described when meeting first switching condition, described in progress The hand-off process of the wireless connection of mobile terminal, comprising:

Second wireless access point described in key authentication by pre-stored second wireless access point, and judge to deposit in advance It whether there is record information corresponding with the title of second wireless access point in the IP record sheet of storage, the record information is extremely It less include the MAC Address and gateway ip address of the corresponding Dynamic Host Configuration Protocol server of the second wireless access point；

If there is record information corresponding with the title of second wireless access point in pre-stored IP record sheet, by institute The second wireless access point corresponding Dynamic Host Configuration Protocol server last time is stated to the gateway ip address of mobile terminal distribution, is allocated to institute State mobile terminal；

If record information corresponding with the title of second wireless access point is not present in pre-stored IP record sheet, connect The gateway ip address that the corresponding Dynamic Host Configuration Protocol server of second wireless access point is currently distributed to the mobile terminal is received, and should Gateway ip address is allocated to the mobile terminal.

9. a kind of mobile terminal, which is characterized in that the mobile terminal includes:

First judgment module meets default switching item for judging whether when mobile terminal is connect with the first wireless access point Part, and when meeting the default switching condition, triggering obtains module；

Obtain module, for the triggering according to the first judgment module, obtain that the mobile terminal had connected one or The performance indicator of multiple wireless access point；

Selecting module, for the performance indicator according to one or more of wireless access point, from one or more of wireless Second wireless access point is selected in access point；

Second judgment module, for according to the performance indicator of first wireless access point and the property of second wireless access point Energy index judges whether to meet the first switching condition, and when meeting first switching condition, triggers switching module；

Switching module carries out the switching of the wireless connection of the mobile terminal for the triggering according to second judgment module Processing；

The acquisition module includes:

First acquisition submodule, for when meeting the default switching condition, every a preset time to pre-stored The corresponding channel of the channel frequency of wireless access point in one record sheet is scanned, and obtains what the mobile terminal had connected The performance indicator of one or more wireless access point is at least stored with the mobile terminal in first record sheet and had connected Wireless access point and the wireless access point channel frequency；

First acquisition submodule includes:

First computing unit, the signal strength of the wireless access point for being had connected according to the mobile terminal, is calculated For characterizing the first fractional value of the performance indicator for the wireless access point that the mobile terminal had connected；

First query unit, for inquiring for characterizing user to the mobile terminal from pre-stored second record sheet The wireless access that the second fractional value and the mobile terminal of the connection number for the wireless access point having connected had connected The channel frequency of point；

First acquisition unit is obtained for the channel frequency of wireless access point according to the pre-stored data and the corresponding relationship of fractional value Take third fractional value corresponding with the channel frequency for the wireless access point that the mobile terminal had connected；

Second computing unit, for calculating the of first fractional value, second fractional value and the third fractional value One and value；

Second acquisition unit, the performance of the wireless access point for described first and value to have connected as the mobile terminal Index；

Second judgment module includes:

First computational submodule is calculated described for characterizing for the signal strength according to first wireless access point 4th fractional value of the performance indicator of the first wireless access point；

First inquiry submodule, for inquiring for characterizing user to first wireless access from second record sheet 5th fractional value of the connection number of point and the channel frequency of first wireless access point；

Second acquisition submodule, for the channel frequency of wireless access point according to the pre-stored data and the corresponding relationship of fractional value, Obtain the 6th fractional value corresponding with the channel frequency of first wireless access point；

Third acquisition submodule, for the corresponding relationship of connection type according to the pre-stored data and fractional value, the determining and shifting Dynamic terminal connects corresponding 7th fractional value of connection type of first wireless access point, and calculate the 4th fractional value, Second and value of the 5th fractional value, the 6th fractional value and the 7th fractional value, the connection type include manual Connection and automatic connection；

4th judging submodule, for judging whether the mobile terminal can be with network after accessing first wireless access point Connection, and if the mobile terminal cannot trigger second with network-in-dialing after accessing first wireless access point and calculate Submodule；

Second computational submodule calculates described second and is worth with first in advance for the triggering according to the 4th judging submodule If the first difference between value；

Third computational submodule, for calculating between first and value of second wireless access point and first difference Two differences, and judge whether second difference is greater than zero, and if second difference be greater than zero, trigger third and determine submodule Block, and if second difference be less than or equal to zero, triggering the 4th determine submodule；

Third determines submodule, and for the triggering according to the third computational submodule, obtained judging result is described in satisfaction First switching condition；

4th determines submodule, and for the triggering according to the third computational submodule, obtained judging result is is unsatisfactory for State the first switching condition.

10. mobile terminal according to claim 9, which is characterized in that

The first judgment module includes:

First judging submodule, for judging to carry whether the mobile step number of user of the mobile terminal is greater than preset step number Threshold value, and when the mobile step number is greater than preset step threshold, triggering first determines submodule；

First determines submodule, and for the triggering according to first judging submodule, obtained judging result is described in satisfaction Default switching condition.

11. mobile terminal according to claim 9, which is characterized in that the first judgment module includes:

Second judgment submodule, for judging to carry whether the mobile step number of user of the mobile terminal is greater than preset step number Threshold value, and when the mobile step number is less than or equal to preset step threshold, trigger third judging submodule；

Third judging submodule judges first wireless access point for the triggering according to the second judgment submodule Whether signal strength is less than or equal to preset signal strength threshold, and when the signal strength of first wireless access point is less than Or when being equal to preset signal strength threshold, triggering second determines submodule；

Second determines submodule, and for the triggering according to the third judging submodule, obtained judging result is described in satisfaction Default switching condition.

12. mobile terminal as claimed in claim 9, which is characterized in that first computing unit includes:

First computation subunit, it is described for being calculated by formula y1=L1/ (1+exp (- k1* (rssi1-rssi2))) First fractional value, wherein y1 indicates that first fractional value, L1 indicate the first preset fraction value, and k1 indicates first environment interference Coefficient, rssi1 indicate the signal strength for the wireless access point that the mobile terminal had connected, and rssi2 indicates the first default letter Number intensity value.

13. mobile terminal as claimed in claim 9, which is characterized in that the selecting module includes:

First choice submodule, first and value of each wireless access point having connected for the mobile terminal it is big It is small；

Second selection submodule, for will each first and value in numerical value maximum first and the corresponding wireless access point of value as the Two wireless access point.

14. mobile terminal as claimed in claim 9, which is characterized in that judge the movement in the 4th judging submodule Terminal after accessing first wireless access point whether can with after network-in-dialing, the mobile terminal further include:

Computing module calculates if being used for the mobile terminal energy and network-in-dialing after accessing first wireless access point First and the third difference between value and described second and value of second wireless access point, and judge that the third difference is It is no to be greater than zero, and if the third difference be greater than zero, trigger the first determining module, and if the third difference be less than or equal to Zero, then trigger the second determining module；

First determining module, for the triggering according to the computing module, obtained judging result is to meet first switching Condition；

Second determining module, for the triggering according to the computing module, obtained judging result is to be unsatisfactory for described first to cut Change condition.

15. mobile terminal as claimed in claim 9, which is characterized in that first computational submodule includes:

Third computing unit, for being calculated described the by formula y2=L2/ (1+exp (- k2* (rssi3-rssi4))) Four fractional values, wherein y2 indicates that the 4th fractional value, L2 indicate the second preset fraction value, and k2 indicates second environment interference system Number, rssi3 indicate the signal strength of the first wireless access point, and rssi4 indicates the second preset signal strength value.

16. mobile terminal as claimed in claim 9, which is characterized in that the switching module includes:

5th judging submodule, it is wireless for described in the key authentication by pre-stored second wireless access point second Access point, and judge in pre-stored IP record sheet with the presence or absence of record corresponding with the title of second wireless access point Information, the record information include at least the MAC Address and gateway ip address of the corresponding Dynamic Host Configuration Protocol server of the second wireless access point, And if there is record information corresponding with the title of second wireless access point in pre-stored IP record sheet, trigger the One switching submodule, and if there is no notes corresponding with the title of second wireless access point in pre-stored IP record sheet Information is recorded, then triggers the second switching submodule；

First switching submodule, it is for the triggering according to the 5th judging submodule, second wireless access point is corresponding The Dynamic Host Configuration Protocol server last time give the mobile terminal distribute gateway ip address, be allocated to the mobile terminal；

Second switching submodule receives second wireless access point pair for the triggering according to the 5th judging submodule The gateway ip address that the Dynamic Host Configuration Protocol server answered currently is distributed to the mobile terminal, and the gateway ip address is allocated to the shifting Dynamic terminal.