CN102711226A - Method and device for scanning WIFI (wireless fidelity) access point - Google Patents

Method and device for scanning WIFI (wireless fidelity) access point Download PDF

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Publication number
CN102711226A
CN102711226A CN2012101621787A CN201210162178A CN102711226A CN 102711226 A CN102711226 A CN 102711226A CN 2012101621787 A CN2012101621787 A CN 2012101621787A CN 201210162178 A CN201210162178 A CN 201210162178A CN 102711226 A CN102711226 A CN 102711226A
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China
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access point
scanning
time
time interval
wifi
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CN2012101621787A
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李万超
张原�
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ZTE Corp
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ZTE Corp
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

Abstract

The invention discloses a method and a device for scanning a WIFI (wireless fidelity) access point. The method comprises the following steps: determining a time interval for scanning the WIFI access point according to a state of a mobile terminal; and scanning the WIFI access point according to the determined time interval. According to the invention, the problem caused by scanning the WIFI access point of the mobile terminal at a fixed time interval in the relative technology is solved, and possibility for reducing a scan frequency of the WIFI access point without influencing the function of the WIFI is provided, so that the consumption of the function of the WIFI on an electric quantity of a battery of the mobile terminal is reduced, a stand-by time of the mobile terminal is prolonged, and the user experience is promoted.

Description

WIFI access point scanning method and device
Technical field
The present invention relates to the communications field, in particular to a kind of Wireless Fidelity (Wireless Fidelity abbreviates WIFI as) access point scanning method and device.
Background technology
At present, possess the portable terminal of WIFI linkage function, especially smart mobile phone is more and more.Use the WIFI module of portable terminal to connect wireless router or WAP (Access Point abbreviates AP as) online, become a lot of cellphone subscribers' selection.
But the scanning access network of WIFI module is that the function of access point is very basic and very important function of WIFI module on the portable terminal.After the user opened the WIFI module, the action that the WIFI module is at first carried out scanned access point, and scanning result is presented to the user exactly, selects a certain access point to connect by the user.After user activation WIFI module, carry out the scanning of an access point, and then scan at interval next time by a regular time.Such as, carry out the scanning of an access point per 5 seconds, close the WIFI module up to the user.
Fig. 1 is the flow chart according to the traditional access point network scan method on the portable terminal of correlation technique, and is as shown in Figure 1, and the access point network scan method on the portable terminal comprises the steps: at present
Step S102 activates the WIFI module.
Step S104, the WIFI module is carried out the scanning first time, opening timing device behind the end of scan.
Step S106, timer time arrives, and scans next time and starts timer once more.Wherein the duration in the timer is constant.
Step S108, the user closes WIFI.
Though this scan method is directly simple, and portable terminal is brought some bad influences, brings bigger electric quantity consumption etc. such as meeting.At present, portable terminal is intelligent terminal especially, and electric quantity consumption is too fast to have become a common fault.
According to the problem that Fixed Time Interval scanning is caused, effective solution is not proposed as yet at present to portable terminal WIFI access point in the correlation technique.
Summary of the invention
According to the problem that Fixed Time Interval scanning is caused, the invention provides a kind of WIFI access point scanning method and device, to portable terminal WIFI access point in the correlation technique to address the above problem at least.
According to an aspect of the present invention, a kind of WIFI access point scanning method is provided, has comprised: according to definite time interval that the WIFI access point is scanned of status of mobile terminal; The said time interval according to confirming is carried out the WIFI access point scanning.
Preferably, confirm that according to status of mobile terminal the time interval that the WIFI access point is scanned comprises: confirm said time interval that the WIFI access point is scanned according to the battery electric quantity of the duration of WIFI function activation and/or portable terminal.
Preferably; Confirm that according to the battery electric quantity of the duration of WIFI function activation and/or portable terminal the said time interval that the WIFI access point is scanned comprises: along with the reduction of the battery electric quantity of the growth of the time of activating the WIFI function and/or portable terminal, the time interval between increasing scanning this time and scanning next time.
Preferably, increase scanning this time and the time interval between the scanning comprises next time: with exponential form increase scanning this time and scan next time between the time interval.
Preferably, increase scanning this time with exponential form and the time interval between the scanning comprises next time: according to following formula confirm scanning this time and scan next time between the time interval: y=a x, wherein, y is said scanning this time and time interval between the scanning next time, a be the truth of a matter and a of exponential function greater than 1, x increases along with the growth of the time of activation WIFI function.
Preferably, said method also comprises: the value of confirming a according to the battery electric quantity of said portable terminal; And/or, confirm initial value and/or the increase amplitude of x according to the battery electric quantity of said portable terminal.
Preferably, carry out also comprising before the WIFI access point scanning: when activating said WIFI function, the WIFI access point is scanned first according to the said time interval of confirming.
Preferably, one of at least the time, think the WIFI access point has been carried out scanning first: said portable terminal connects charger, successfully connects access point, breaks off the access point in connecting in following situation.
Preferably, carry out also comprising before the WIFI access point scanning according to the said time interval of confirming: said under the situation of preset time threshold what confirm, with said time threshold as the said time interval.
According to a further aspect in the invention, a kind of WIFI access point scanning device is provided, has comprised: determination module was used for according to definite time interval that the WIFI access point is scanned of status of mobile terminal; Scan module is used for carrying out the WIFI access point scanning according to the said time interval of confirming.
Preferably, said device also comprises: processing module, be used for said under the situation of preset time threshold what confirm, with said time threshold as the said time interval.
Through the present invention, adopt according to definite time interval that the WIFI access point is scanned of status of mobile terminal; Carry out the mode of WIFI access point scanning according to the time interval of confirming; Solved the problem that portable terminal WIFI access point is caused according to Fixed Time Interval scanning in the correlation technique; The scanning frequency that reduces the WIFI access point for the use that neither influences the WIFI function again provides possibility; And then can reduce of the consumption of WIFI function to battery capacity of mobile terminal, and prolong the stand-by time of portable terminal, promote user experience.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart according to the traditional access point network scan method on the portable terminal of correlation technique;
Fig. 2 is the flow chart according to the WIFI access point scanning method of the embodiment of the invention;
Fig. 3 is the structured flowchart according to the WIFI access point scanning device of the embodiment of the invention;
Fig. 4 is the preferred structure block diagram according to the WIFI access point scanning device of the embodiment of the invention;
Fig. 5 is the realization flow figure according to the WIFI access point scanning method preferred embodiment of the embodiment of the invention two.
Embodiment
Hereinafter will and combine embodiment to specify the present invention with reference to accompanying drawing.Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.
Present embodiment provides a kind of WIFI access point scanning method, and Fig. 2 is that as shown in Figure 2, this method comprises the steps: according to the flow chart of the WIFI access point scanning method of the embodiment of the invention
Step S202 is according to definite time interval that the WIFI access point is scanned of status of mobile terminal;
Step S204 carries out the WIFI access point scanning according to the time interval of confirming.
Present embodiment passes through above-mentioned steps; Confirm time interval of scanning WIFI access point according to status of mobile terminal, and scan according to this time interval, thereby can come the time interval of scanning WIFI access point is changed along with status of mobile terminal; Thereby can adjust the time interval of scanning automatically; Solved the problem that portable terminal WIFI access point is caused according to Fixed Time Interval scanning in the correlation technique, the scanning frequency that reduces the WIFI access point for the use that neither influences the WIFI function again provides possibility, and then can reduce the consumption of WIFI function to battery capacity of mobile terminal; Prolong the stand-by time of portable terminal, promote user experience.
Can have multiplely for the mode of carrying out the WIFI access point scanning according to the time interval of confirming among the step S204, for example, can single pass after, open timer, arrive constantly, scan next time at this timer with this time interval setting.Perhaps also can adopt other modes to realize carrying out the WIFI access point scanning, repeat no more at this according to above-mentioned definite time interval.
As a kind of preferred implementation, can confirm time interval that the WIFI access point is scanned according to the battery electric quantity of the duration of WIFI function activation and/or portable terminal.For example, can be along with the reduction of the battery electric quantity of the growth of the time of activating the WIFI function and/or portable terminal, the time interval between increasing scanning this time and scanning next time.In this way, can make WIFI function time interval after the scanning each time after activating all can increase gradually, thereby can reduce of the consumption of WIFI function fast, further prolong the stand-by time of portable terminal battery capacity of mobile terminal.
For example; Can make this time interval linear growth along with the duration of WIFI function activation; Perhaps the reduction along with battery capacity of mobile terminal is inversely proportional to the growth of this time and battery electric quantity, perhaps the duration and the battery capacity of mobile terminal of WIFI function activation is comprehensively considered to obtain this time interval.Preferably, can also increase with the form of exponential function the time interval between this time scanning and scanning next time.
Such as, can make the time interval y=a between this time scanning and scanning next time xWherein, A be the truth of a matter and a of exponential function greater than 1, x increases along with the growth of the time of activating the WIFI function, preferably; Under comprehensively considering the duration of WIFI function activation and battery capacity of mobile terminal with the situation that obtains this time interval, can also confirm the value of a according to the battery electric quantity of said portable terminal; And/or, confirm initial value and/or the increase amplitude of x according to the battery electric quantity of said portable terminal, for example; When battery electric quantity is expired; X can be set, and to scan duration first be 1, and increase progressively with 1 interval, and when battery electric quantity is low; X can be set, and to scan duration first be 2, and increase progressively etc. with 2 interval.
In addition, when activating the WIFI function, can scan first the WIFI access point.Then the x in above-mentioned formula this moment can begin to increase progressively from scanning duration first.And for some other situation; For example portable terminal connects charger, successfully connects access point or when breaking off the access point in connecting; Also can think the WIFI access point has been carried out scanning first; Just can be in these cases the value of x be resetted, then the x in above-mentioned formula this moment also can begin to increase progressively from scanning duration first.In this way, can when the user needs, scan the WIFI access point as early as possible, guarantee the result of use of WIFI function.
In addition, consider when the above-mentioned time interval increases progressively with exponential form, might make this time interval bring up to a very large value; Thereby in the very long time, no longer scan, this may influence the use of user to the WIFI function, therefore; As a kind of preferred implementation; A time threshold can also be set in advance, above-mentioned definite under the situation of this time threshold, with this time threshold as the time interval.For example, it is 300 seconds that time threshold is set, and surpasses under 300 seconds the situation in above-mentioned definite time interval, only carries out the scanning of WIFI access point next time according to 300 seconds the time interval.
Corresponding to said method, present embodiment also provides a kind of WIFI access point scanning device, and this device is used to realize the foregoing description and preferred implementation, has carried out repeating no more of explanation.As following employed, the combination of the software and/or the hardware of predetermined function can be realized in term " module ".Although the described device of following examples is preferably realized with software, hardware, perhaps the realization of the combination of software and hardware also maybe and be conceived.
Fig. 3 is that as shown in Figure 3, this device comprises according to the structured flowchart of the WIFI access point scanning device of the embodiment of the invention: determination module 32 and scan module 34 are elaborated in the face of each module down.
Determination module 32 was used for according to definite time interval that the WIFI access point is scanned of status of mobile terminal; Scan module 34 links to each other with determination module 32, is used for carrying out the WIFI access point scanning according to the time interval that determination module 32 is confirmed.
Present embodiment is through above-mentioned module; Determination module 32 is confirmed the time interval of scanning WIFI access point according to status of mobile terminal; Scan module 34 scanned according to this time interval; Thereby can come the time interval of scanning WIFI access point is changed along with status of mobile terminal, thereby can adjust time interval of scanning automatically, solve the problem that portable terminal WIFI access point is caused according to Fixed Time Interval scanning in the correlation technique; The scanning frequency that reduces the WIFI access point for the use that neither influences the WIFI function again provides possibility; And then can reduce of the consumption of WIFI function to battery capacity of mobile terminal, and prolong the stand-by time of portable terminal, promote user experience.
Fig. 4 is the preferred structure block diagram according to the WIFI access point scanning device of the embodiment of the invention; As shown in Figure 4; This device can also comprise: processing module 42; Link to each other with scan module 34 with determination module 32, be used for determination module 32 confirm under the situation of preset time threshold, with time threshold as the time interval.
Describe below in conjunction with preferred embodiment, following preferred embodiment has combined the foregoing description and preferred implementation thereof.
Embodiment one
This preferred embodiment provides the implementation method of scanning WIFI access point (but also claiming the WIFI access network) on a kind of portable terminal; This method reduces the electric quantity consumption of portable terminal through the scan method of the rational WIFI of improvement; Can improve the flying power of portable terminal to a certain extent; Improve scan efficiency, promote user experience.
In this preferred embodiment, when user activation WIFI module, can carry out single pass to access point immediately.Subsequently, the utilization index function characteristic, the trace interval of access point increases progressively with the index rank, increases the length of trace interval gradually.Meanwhile monitor the electric weight of battery,, adopt the different truth of a matter and index to come the length of dynamic adjustment trace interval along with the different brackets of battery electric quantity.This scheme can comprise the steps:
Steps A: mobile phone users activates WIFI, and the WIFI chip is started working, and WIFI carries out the access point scanning first time;
Step B: the end of scan, the access point that scanning is obtained is shown to the user;
Step C: begin to calculate trace interval next time, computing formula can be an exponential function y=a x(x ∈ R), wherein a be the truth of a matter and a greater than 1, x is an index.At first obtain current electric quantity,, select for use different truth of a matter a and index x to calculate trace interval according to different electric weight grades through the battery electric quantity monitoring modular; Because the time interval is the process that increases progressively; Therefore, truth of a matter a is greater than 1 and can be preset or definite according to battery electric quantity fixed value, and index x can increase progressively since 1; Can certainly begin to increase progressively from other numerical value, for example increase progressively since 2;
Step D: after calculating next time the time interval of scanning, start timer and carry out timing, the time to after scan next time; The time interval is the process that increases progressively, and the maximum (having realized the function of above-mentioned time threshold) of trace interval can be set, when calculate when equaling this value, the time interval is got this maximum;
Step e: behind the end of scan, the access point that scanning is obtained is shown to the user and carries out the calculating of sweep time next time, and index x increases progressively, and its amplification can be different, get back to step D;
Step F: after plugging charger the user, connecting certain access point and break off WIFI and connect, truth of a matter a and index x are resetted, get back to step C, reinitialize truth of a matter a and index x, begin to calculate trace interval from certain access point;
Step G: the user closes WIFI, and the WIFI chip quits work, and stops to scan and truth of a matter a and index x being resetted;
The implementation method of WIFI scan method has adopted the exponential function characteristic on a kind of portable terminal that proposes in this preferred embodiment; Sweep spacing is the index rank and increases progressively; Simultaneously according to different battery charge level; Adopt the different truth of a matter and index to come dynamically adjustment WIFI trace interval, this method is to reducing electric quantity consumption, and the battery flying power that promotes portable terminal is helpful.
Embodiment two
The battery electric quantity that in this preferred embodiment, combines current mobile terminal; The characteristic of utilization index function; Choose the interval that the rational truth of a matter and index calculate sweep time, reduce the number of times of scanning in this way, reach the purpose of reduction battery power consumption.Simultaneously also abundant consider some abnormal conditions, insert charger, connect certain access point, break off from access point and connecting etc., when reducing the battery power consumption purpose, also considered user experience such as the user.
The corresponding system of the implementation method of the scanning access point that provides in this preferred embodiment can comprise: WIFI scan module (having realized the function of above-mentioned scan module 34), sweep interval computing module (having realized the function of above-mentioned determination module 32 and processing module 42), access point administration module, battery electric quantity monitoring modular, charging module etc. can also comprise WIFI chip, WIFI antenna etc. on the hardware.
Fig. 5 is that as shown in Figure 5, this flow process can comprise the steps: according to the realization flow figure of the WIFI access point scanning method preferred embodiment of the embodiment of the invention two
Step S502: the user activates WIFI in portable terminal, prepares to use the WIFI function; Behind the user activation WIFI, WIFI chip power, radio frequency are started working;
After step S504:WIFI hardware was ready, the WIFI scan module carried out the access point scanning first time;
Step S506: after the been scanned, the access point notice access point administration module with scanning is obtained is shown to the user by this module with the access point tabulation;
Step S508: obtain current battery electric quantity through the battery electric quantity detection module, according to different battery electric quantities, adopt different truth of a matter a, index x carries out the calculating in the time interval; In this preferred embodiment, be that example describes with following set-up mode: battery electric quantity is greater than 80% o'clock, truth of a matter a=1.5, and index x calculates since 1; Battery electric quantity is greater than 30% less than 80% o'clock, truth of a matter a=2, and index x calculates since 2; Battery electric quantity is less than 30%, truth of a matter a=3, and index calculates since 2;
Step S510: preferably; Because trace interval is the index rank and increases progressively, therefore consider from the user experience angle, can be set at interval a maximum time; In this preferred embodiment, being spaced apart 300 seconds with the maximum time of choosing is that example describes; If step S508 calculate interval greater than maximum time at interval, then get into step S514, otherwise get into step S512;
Step S512: adopt the time interval that calculates;
Step S514: adopt maximum time at interval all the time, i.e. 300 seconds in this preferred embodiment;
Step S516: according to the time interval among step S512 and the S514, start timer, timer is to constantly, and notice WIFI scan module carries out the scanning of access point;
Step S518: behind the end of scan, by access point administration module reading scan result, and notice trace interval computing module calculates trace interval next time; Simultaneously index x is increased progressively; This preferred embodiment is 1 to be that example describes with amplification, and promptly x=x+1 gets into step S510;
Step S520: after the user plugs and unplugs charger, connection or breaks off certain access point, can rescan access point, notice trace interval computing module is resetted to truth of a matter a and index x by this module, and execution in step S508 again;
Step S522: the user selects to close WIFI, does not re-use the WIFI function, and the trace interval computing module resets to truth of a matter a and index x, holds the clock at interval, and the WIFI scan module stops scanning.
To sum up can know; The cover complete and effective WIFI scan method that the embodiment of the invention provides, the characteristic of utilization index function is chosen the interval that the rational truth of a matter and index calculate sweep time; Reduce the number of times of scanning in this way, reach the purpose of reduction battery power consumption.When reducing the battery power consumption purpose, also consider user experience, improved the flying power of portable terminal.
In another embodiment, a kind of software is provided also, this software is used for carrying out the technical scheme that the foregoing description and preferred embodiment are described.
In another embodiment, a kind of storage medium is provided also, has stored above-mentioned software in this storage medium, this storage medium includes but not limited to CD, floppy disk, hard disk, scratch pad memory etc.
Obviously, it is apparent to those skilled in the art that above-mentioned each module of the present invention or each step can realize with the general calculation device; They can concentrate on the single calculation element; Perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element; Thereby; Can they be stored in the storage device and carry out, and in some cases, can carry out step shown or that describe with the order that is different from here by calculation element; Perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (11)

1. a Wireless Fidelity WIFI access point scanning method is characterized in that, comprising:
According to definite time interval that the WIFI access point is scanned of status of mobile terminal;
The said time interval according to confirming is carried out the WIFI access point scanning.
2. method according to claim 1 is characterized in that, confirms that according to status of mobile terminal the time interval that the WIFI access point is scanned comprises:
Confirm said time interval that the WIFI access point is scanned according to the battery electric quantity of the duration of WIFI function activation and/or portable terminal.
3. method according to claim 2 is characterized in that, comprises according to the duration of WIFI function activation and/or definite said time interval that the WIFI access point is scanned of battery electric quantity of portable terminal:
Along with the reduction of the battery electric quantity of the growth of the time of activating the WIFI function and/or portable terminal, the time interval between increasing scanning this time and scanning next time.
4. method according to claim 3 is characterized in that, the time interval that increases between this time scanning and scanning next time comprises:
Increase the time interval between this time scanning and scanning next time with exponential form.
5. method according to claim 4 is characterized in that, increases scanning this time and the time interval between the scanning comprises next time with exponential form: according to following formula confirm scanning this time and scan next time between the time interval:
Y=a x, wherein, y is said scanning this time and time interval between the scanning next time, a be the truth of a matter and a of exponential function greater than 1, x increases along with the growth of the time of activation WIFI function.
6. method according to claim 5 is characterized in that, said method also comprises:
Confirm the value of a according to the battery electric quantity of said portable terminal; And/or,
Confirm initial value and/or the increase amplitude of x according to the battery electric quantity of said portable terminal.
7. according to each described method in the claim 1 to 6, it is characterized in that, carry out also comprising before the WIFI access point scanning according to the said time interval of confirming:
When activating said WIFI function, the WIFI access point is scanned first.
8. method according to claim 7 is characterized in that,, thinks the WIFI access point has been carried out scanning first one of at least the time in following situation:
Said portable terminal connects charger, successfully connects access point, breaks off the access point in connecting.
9. according to each described method in the claim 1 to 8, it is characterized in that, carry out also comprising before the WIFI access point scanning according to the said time interval of confirming:
Said under the situation of preset time threshold what confirm, with said time threshold as the said time interval.
10. a Wireless Fidelity WIFI access point scanning device is characterized in that, comprising:
Determination module was used for according to definite time interval that the WIFI access point is scanned of status of mobile terminal;
Scan module is used for carrying out the WIFI access point scanning according to the said time interval of confirming.
11. device according to claim 10 is characterized in that, said device also comprises:
Processing module, be used for said under the situation of preset time threshold what confirm, with said time threshold as the said time interval.
CN2012101621787A 2012-05-23 2012-05-23 Method and device for scanning WIFI (wireless fidelity) access point Pending CN102711226A (en)

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