CN105554852A - Method for switching WIFI signal sources - Google Patents

Method for switching WIFI signal sources Download PDF

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Publication number
CN105554852A
CN105554852A CN201511008954.8A CN201511008954A CN105554852A CN 105554852 A CN105554852 A CN 105554852A CN 201511008954 A CN201511008954 A CN 201511008954A CN 105554852 A CN105554852 A CN 105554852A
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CN
China
Prior art keywords
signal source
signal
wifi
wifi module
switching
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Pending
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CN201511008954.8A
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Chinese (zh)
Inventor
田雨农
赵哲
周秀田
郭伟
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Dalian Roiland Technology Co Ltd
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Dalian Roiland Technology Co Ltd
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Priority to CN201511008954.8A priority Critical patent/CN105554852A/en
Publication of CN105554852A publication Critical patent/CN105554852A/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection
    • H04W48/16Discovering, processing access restriction or access information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W84/00Network topologies
    • H04W84/02Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10Small scale networks; Flat hierarchical networks
    • H04W84/12WLAN [Wireless Local Area Networks]

Abstract

The invention discloses a method for switching WIFI signal sources, comprising following specific steps: when a WIFI module is started, measuring and ordering all visible WIFI signal sources allowed to be accessed by a user, updating and recording the result in a local table; when a device initially accesses a WIFI signal source, executing the step S1 by the WIFI module so as to update the local table, selecting the first signal source in the local table to access; measuring and ordering the visible WIFI signal sources by the WIFI module at intervals of t1, thus obtaining the measuring value of a current signal; testing the stability of alternative signal sources by the WIFI module in the time period of t2; selecting the first signal source with strong signal from the alternative signal sources after the stability test; and repeating the steps S3-S5. In adoption of the method, automatic switching can be carried out on the background of a mobile device rationally and effectively; the cost is low; the realization is simple; there is a great market space; and the method can be widely applicable to various internet-enabled devices.

Description

Switch the method in WIFI signal source
Technical field
The invention belongs to WIFI signal source domain, is a kind of method switching WIFI signal source specifically.
Background technology
Current Intelligent mobile equipment connects WIFI signal source, when there being multiple signal source in search area, if do not authenticate any signal source, need user from main separation and carry out certification, when authenticating multiple signal source, some mobile device may, according to signal strength signal intensity, select optimum signal source to connect.Have plenty of and connect at random.And when after successful connection, unless signal source blackout, otherwise in connection status, can not be able to switch always.
When after equipment connection to signal source A in prior art, if when the signal of signal source B is better than A, smart machine cannot independently switch.When although equipment connection is better than B to signal source a-signal intensity, due to the in fact wide difference of guipure, the networking speed of A may be caused lower than B, also cannot switch.When equipment connection is fine to signal source A intensity, but it is obstructed to connect public network, and in fact cannot surf the Net, smart machine cannot be switched to mobile data network.
Summary of the invention
For the above-mentioned shortcoming that prior art exists, the invention provides a kind of method switching WIFI signal source, the method can rationally, effectively switch on mobile device backstage automatically, and cost is low, realizes simple, has the very large market space.The method can be widely used in various equipment for surfing the net.
For achieving the above object, technical scheme of the present invention is, switch the method in WIFI signal source, concrete steps are:
When S1:WIFI module is opened, to all visible WIFI signal sources allowing access of user, carry out measuring and sort, and result renewal is recorded in this earth's surface;
S2: when equipment initially accesses WIFI signal source, WIFI module performs step S1 and carries out this earth's surface renewal, selects in this earth's surface first signal source to connect;
S3: every the t1 time, WIFI module is carried out measuring to visible WIFI signal source and is sorted, and obtains the measured value of current demand signal:
If current demand signal measured value is first in this earth's surface, be left intact, current demand signal source keeps;
If current demand signal measured value is not first in this earth's surface, by top n signal screening larger than current demand signal measured value in this earth's surface out, as the alternative signal source switched;
S4: WIFI module carries out the stability test in alternative signal source within the t2 time period;
S5: carry out in the alternative signal source after stability test, the signal source choosing first signal strong switches;
S6: repeat step S3-S5.
Further, the method for carrying out during WIFI module connecting signal source in step S1 and S3 measuring is, by mutual with signal source host data, obtains signal source in fact net spee.
Further, the method for carrying out during WIFI module connecting signal source in step S1 and S3 measuring is, the most intensity values of theory signal is p0, and during measurement, signal strength signal intensity is p1, and theoretical network speed is q0, then current measurement value q=q0*p0/p1.
Further, the method for carrying out during WIFI module connecting signal source in step S1 and S3 measuring is, by sending data test bag, local computing actual signal source network speed.
Further, in step S1 and S3, WIFI module carries out the method for signal source sequence is adopt insertion sort, after calculating measured value, in existing sequence list, insert relevant position.
Further, WIFI module is when initial connecting signal source, if the unavailable or networking speed of real network data is 0 before, then switches when first time searches the signal source that can surf the Net, need not wait for that Optimal Signals source connects.
Further, during WIFI module connecting signal source, actual net spee is 0, and the duration reaches more than t3, and when not having other signal sources in this earth's surface, whether prompting user is switched to mobile data network.
Further, in step s3, if the ratio in the difference in alternative signal source and primary signal source and primary signal source is less than 10%, then this signal is got rid of as alternative signal source.
Further, in step S4, the method for stability test is: carry out p sampled measurements in the t2 time, if the difference of adjacent double sampling measurement and ratio error≤10% of this sampled measurement, then represents that alternative signal source is stablized;
If the ratio of the difference that adjacent double sampling is measured and this sampled measurement is greater than 10%, p sampled measurements is carried out again in the t2 time, if the difference of sampled measurement and primary signal source measured value and the ratio of primary signal source measured value are greater than 20%, all the time as switching signal source in twice t2 time; Otherwise get rid of.
As further, first, time t1 span 2-8 minute; For the second time, after updating form, if keep same signal source, the t1 time increases by 1 minute, the like, maximum span 15 minutes-40 minutes; If after certain upgrades, signal source switches, t1 time decreased 1 minute, minimum value span 1 minute-2 minutes.
The present invention, owing to adopting above technical scheme, can obtain following technique effect: the handover mechanism described in the method, can rationally, effectively automatically switch on mobile device backstage, and cost is low, realizes simple, has the very large market space.The method can be widely used in various equipment for surfing the net.
The method combines signal strength signal intensity, the in fact factor such as net spee, stability of WIFI hot spot; When rational opportunity, user do not need to intervene, ensure that the continuity of online, substantially increase experience.
Accompanying drawing explanation
The present invention has accompanying drawing 1 width:
Fig. 1 is FB(flow block) of the present invention.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment 1
Switch the method in WIFI signal source, concrete steps are:
When S1:WIFI module is opened, to all visible WIFI signal sources allowing access of user, carry out measuring and sort, and result renewal is recorded in this earth's surface;
S2: when equipment initially accesses WIFI signal source, WIFI module performs step S1 and carries out this earth's surface renewal, selects in this earth's surface first signal source to connect; First described signal source is the signal source that signal is the strongest;
S3: every the t1 time, WIFI module is carried out measuring to visible WIFI signal source and is sorted, and obtain the measured value of current demand signal: if current demand signal measured value is first in this earth's surface, be left intact, current demand signal source keeps; If current demand signal measured value is not first in this earth's surface, by front 3 signal screenings larger than current demand signal measured value in this earth's surface out, as the alternative signal source switched; If the ratio in the difference in alternative signal source and primary signal source and primary signal source is less than 10%, then get rid of this signal as alternative signal source.The network speed that such as alternative signal source measured value represents is 109kbps, and the network speed that primary signal measured value represents is 100kbps, and difference ratio is 9%, so be switched to having little significance of alternative signal source;
S4: WIFI module carries out the stability test in alternative signal source in 8 seconds; The method of stability test is: carry out 3 sampled measurements in 8 seconds, if the difference of adjacent double sampling measurement and ratio error≤10% of this sampled measurement, then represents that alternative signal source is stablized; If the ratio of the difference that adjacent double sampling is measured and this sampled measurement is greater than 10%, 3 sampled measurements are carried out again in 8 seconds, if the difference of sampled measurement and primary signal source measured value and the ratio of primary signal source measured value are greater than 20%, all the time as switching signal source in twice 8 seconds; Otherwise get rid of;
S5: carry out in the alternative signal source after stability test, the signal source choosing first signal strong switches;
S6: repeat step S3-S5.
The method of carrying out during WIFI module connecting signal source measuring is,
Method 1: by mutual with signal source host data, obtain signal source in fact net spee.
Method 2: the most intensity values of theory signal is p0, and during measurement, signal strength signal intensity is p1, and theoretical network speed is q0, then current measurement value q=q0*p0/p1.
Method 3: by sending data test bag, local computing actual signal source network speed.
In step S1 and S3, WIFI module carries out the method for signal source sequence is adopt insertion sort, after calculating measured value, in existing sequence list, insert relevant position.
WIFI module is when initial connecting signal source, if the unavailable or networking speed of real network data is 0 before, then switches when first time searches the signal source that can surf the Net, need not wait for that Optimal Signals source connects.During WIFI module connecting signal source, actual net spee is 0, and the duration reaches more than 5 seconds, and when not having other signal sources in this earth's surface, whether prompting user is switched to mobile data network.
First, time t1 span 2 minutes; For the second time, after updating form, if keep same signal source, the t1 time increases by 1 minute, the like, maximum span 15 minutes; If after certain upgrades, signal source switches, t1 time decreased 1 minute, minimum value span 1 minute.
Embodiment 2
Switch the method in WIFI signal source, concrete steps are:
When S1:WIFI module is opened, to all visible WIFI signal sources allowing access of user, carry out measuring and sort, and result renewal is recorded in this earth's surface;
S2: when equipment initially accesses WIFI signal source, WIFI module performs step S1 and carries out this earth's surface renewal, selects in this earth's surface first signal source to connect; First described signal source is the signal source that signal is the strongest;
S3: every the t1 time, WIFI module is carried out measuring to visible WIFI signal source and is sorted, and obtain the measured value of current demand signal: if current demand signal measured value is first in this earth's surface, be left intact, current demand signal source keeps; If current demand signal measured value is not first in this earth's surface, by front 4 signal screenings larger than current demand signal measured value in this earth's surface out, as the alternative signal source switched; If the ratio in the difference in alternative signal source and primary signal source and primary signal source is less than 10%, then get rid of this signal as alternative signal source.The network speed that such as alternative signal source measured value represents is 109kbps, and the network speed that primary signal measured value represents is 100kbps, and difference ratio is 9%, so be switched to having little significance of alternative signal source;
S4: WIFI module carries out the stability test in alternative signal source in 12 seconds; The method of stability test is: carry out 4 sampled measurements in 12 seconds, if the difference of adjacent double sampling measurement and ratio error≤10% of this sampled measurement, then represents that alternative signal source is stablized; If the ratio of the difference that adjacent double sampling is measured and this sampled measurement is greater than 10%, 4 sampled measurements are carried out again in 12 seconds, if the difference of sampled measurement and primary signal source measured value and the ratio of primary signal source measured value are greater than 20%, all the time as switching signal source in twice 12 seconds; Otherwise get rid of;
S5: carry out in the alternative signal source after stability test, the signal source choosing first signal strong switches;
S6: repeat step S3-S5.
The method of carrying out during WIFI module connecting signal source measuring is,
Method 1: by mutual with signal source host data, obtain signal source in fact net spee.
Method 2: the most intensity values of theory signal is p0, and during measurement, signal strength signal intensity is p1, and theoretical network speed is q0, then current measurement value q=q0*p0/p1.
Method 3: by sending data test bag, local computing actual signal source network speed.
In step S1 and S3, WIFI module carries out the method for signal source sequence is adopt insertion sort, after calculating measured value, in existing sequence list, insert relevant position.
WIFI module is when initial connecting signal source, if the unavailable or networking speed of real network data is 0 before, then switches when first time searches the signal source that can surf the Net, need not wait for that Optimal Signals source connects.During WIFI module connecting signal source, actual net spee is 0, and the duration reaches more than 8 seconds, and when not having other signal sources in this earth's surface, whether prompting user is switched to mobile data network.
First, time t1 span 5 minutes; For the second time, after updating form, if keep same signal source, the t1 time increases by 1 minute, the like, maximum span 30 minutes; If after certain upgrades, signal source switches, t1 time decreased 1 minute, minimum value span 1 minute.
Embodiment 3
Switch the method in WIFI signal source, concrete steps are:
When S1:WIFI module is opened, to all visible WIFI signal sources allowing access of user, carry out measuring and sort, and result renewal is recorded in this earth's surface;
S2: when equipment initially accesses WIFI signal source, WIFI module performs step S1 and carries out this earth's surface renewal, selects in this earth's surface first signal source to connect; First described signal source is the signal source that signal is the strongest;
S3: every the t1 time, WIFI module is carried out measuring to visible WIFI signal source and is sorted, and obtain the measured value of current demand signal: if current demand signal measured value is first in this earth's surface, be left intact, current demand signal source keeps; If current demand signal measured value is not first in this earth's surface, by front 3 signal screenings larger than current demand signal measured value in this earth's surface out, as the alternative signal source switched; If the ratio in the difference in alternative signal source and primary signal source and primary signal source is less than 10%, then get rid of this signal as alternative signal source.The network speed that such as alternative signal source measured value represents is 109kbps, and the network speed that primary signal measured value represents is 100kbps, and difference ratio is 9%, so be switched to having little significance of alternative signal source;
S4: WIFI module carries out the stability test in alternative signal source in 20 seconds; The method of stability test is: carry out 5 sampled measurements in 20 seconds, if the difference of adjacent double sampling measurement and ratio error≤10% of this sampled measurement, then represents that alternative signal source is stablized; If the ratio of the difference that adjacent double sampling is measured and this sampled measurement is greater than 10%, 5 sampled measurements are carried out again in 20 seconds, if the difference of sampled measurement and primary signal source measured value and the ratio of primary signal source measured value are greater than 20%, all the time as switching signal source in twice 20 seconds; Otherwise get rid of;
S5: carry out in the alternative signal source after stability test, the signal source choosing first signal strong switches;
S6: repeat step S3-S5.
The method of carrying out during WIFI module connecting signal source measuring is,
Method 1: by mutual with signal source host data, obtain signal source in fact net spee.
Method 2: the most intensity values of theory signal is p0, and during measurement, signal strength signal intensity is p1, and theoretical network speed is q0, then current measurement value q=q0*p0/p1.
Method 3: by sending data test bag, local computing actual signal source network speed.
In step S1 and S3, WIFI module carries out the method for signal source sequence is adopt insertion sort, after calculating measured value, in existing sequence list, insert relevant position.
WIFI module is when initial connecting signal source, if the unavailable or networking speed of real network data is 0 before, then switches when first time searches the signal source that can surf the Net, need not wait for that Optimal Signals source connects.During WIFI module connecting signal source, actual net spee is 0, and the duration reaches more than 5 seconds, and when not having other signal sources in this earth's surface, whether prompting user is switched to mobile data network.
First, time t1 span 8 minutes; For the second time, after updating form, if keep same signal source, the t1 time increases by 1 minute, the like, maximum span 40 minutes; If after certain upgrades, signal source switches, t1 time decreased 1 minute, minimum value span 1 minute.
The process switched in above-described embodiment, shows at the Status icons of equipment, and prompting user carries out WIFI switching, when surfing the Net in WIFI signal source, and prompting user, and be switched to mobile data network.The handover mechanism described in the method, can rationally, effectively automatically switch on mobile device backstage, and cost is low, realizes simple, has the very large market space.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.

Claims (10)

1. switch the method in WIFI signal source, it is characterized in that, concrete steps are:
When S1:WIFI module is opened, to all visible WIFI signal sources allowing access of user, carry out measuring and sort, and result renewal is recorded in this earth's surface;
S2: when equipment initially accesses WIFI signal source, WIFI module performs step S1 and carries out this earth's surface renewal, selects in this earth's surface first signal source to connect;
S3: every the t1 time, WIFI module is carried out measuring to visible WIFI signal source and is sorted, and obtains the measured value of current demand signal:
If current demand signal measured value is first in this earth's surface, be left intact, current demand signal source keeps;
If current demand signal measured value is not first in this earth's surface, by top n signal screening larger than current demand signal measured value in this earth's surface out, as the alternative signal source switched;
S4: WIFI module carries out the stability test in alternative signal source within the t2 time period;
S5: carry out in the alternative signal source after stability test, the signal source choosing first signal strong switches;
S6: repeat step S3-S5.
2. the method in switching WIFI signal source according to claim 1, is characterized in that, the method carrying out during WIFI module connecting signal source in step S1 and S3 measuring is, by mutual with signal source host data, obtains signal source in fact net spee.
3. the method in switching WIFI signal source according to claim 1, it is characterized in that, the method of carrying out during WIFI module connecting signal source in step S1 and S3 measuring is, the most intensity values of theory signal is p0, during measurement, signal strength signal intensity is p1, theoretical network speed is q0, then current measurement value q=q0*p0/p1.
4. the method in switching WIFI signal source according to claim 1, is characterized in that, the method carrying out during WIFI module connecting signal source in step S1 and S3 measuring is, by sending data test bag, local computing actual signal source network speed.
5. the method in switching WIFI signal source according to claim 1, is characterized in that, in step S1 and S3, WIFI module carries out the method for signal source sequence is adopt insertion sort, after calculating measured value, in existing sequence list, insert relevant position.
6. the method in the switching WIFI signal source according to any one of claim 1-5, it is characterized in that, WIFI module is when initial connecting signal source, if the unavailable or networking speed of real network data is 0 before, then switches when first time searches the signal source that can surf the Net.
7. the method in switching WIFI signal source according to claim 6, is characterized in that, the process that signal source switches, and shows at the Status icons of equipment, and prompting user carries out WIFI switching;
During WIFI module connecting signal source, actual net spee is 0, and the duration reaches more than t3, and when not having other signal sources in this earth's surface, whether prompting user is switched to mobile data network.
8. the method in switching WIFI signal source according to claim 1, is characterized in that, in step s3, if the ratio in the difference in alternative signal source and primary signal source and primary signal source is less than 10%, then gets rid of this signal as alternative signal source.
9. the method in switching WIFI signal source according to claim 1, it is characterized in that, in step S4, the method for stability test is: carry out p sampled measurements in the t2 time, if ratio error≤10% of the difference that adjacent double sampling is measured and this sampled measurement, then represent that alternative signal source is stablized;
If the ratio of the difference that adjacent double sampling is measured and this sampled measurement is greater than 10%, p sampled measurements is carried out again in the t2 time, if the difference of sampled measurement and primary signal source measured value and the ratio of primary signal source measured value are greater than 20%, all the time as switching signal source in twice t2 time; Otherwise get rid of.
10. the method in switching WIFI signal source according to claim 8 or claim 9, is characterized in that, first, and time t1 span 2-8 minute; For the second time, after updating form, if keep same signal source, the t1 time increases by 1 minute, the like, maximum span 15 minutes-40 minutes; If after certain upgrades, signal source switches, t1 time decreased 1 minute, minimum value span 1 minute-2 minutes.
CN201511008954.8A 2015-12-29 2015-12-29 Method for switching WIFI signal sources Pending CN105554852A (en)

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CN107277876A (en) * 2017-08-04 2017-10-20 广东欧珀移动通信有限公司 Method for switching network, device and terminal device
CN111818384A (en) * 2020-06-30 2020-10-23 北京市地铁运营有限公司地铁运营技术研发中心 Display screen control method, control device, control system and computer-readable storage medium for rail transit

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CN111818384A (en) * 2020-06-30 2020-10-23 北京市地铁运营有限公司地铁运营技术研发中心 Display screen control method, control device, control system and computer-readable storage medium for rail transit

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