CN103582076A - WLAN WifiTrak control method and device - Google Patents
WLAN WifiTrak control method and device Download PDFInfo
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- CN103582076A CN103582076A CN201210278624.0A CN201210278624A CN103582076A CN 103582076 A CN103582076 A CN 103582076A CN 201210278624 A CN201210278624 A CN 201210278624A CN 103582076 A CN103582076 A CN 103582076A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
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Abstract
The invention discloses a WLAN WifiTrak control method and device. The method comprises the steps of obtaining identification information of a cell site where a mobile terminal is located; inquiring whether the mobile terminal is located in a coverage area of the WLAN or not according to the identification information; starting the WLAN WifiTrak function of the mobile terminal under the situation that the mobile terminal is located in the coverage area of the WLAN, and adjusting the scanning frequency of the WLAN WifiTrak function according to the information of the coverage information of the WLAN, wherein the information of the coverage area comprises position information and/or wireless environment information. By means of the WLAN WifiTrak control method and device, the problems that how the mobile terminal automatically finds the WLAN and the WLAN usage consumes much power in the correlation art are solved, and the power consumption of the mobile terminal is reduced.
Description
Technical field
The present invention relates to the communications field, in particular to control method and the device of a kind of WLAN (wireless local area network) (Wireless Local Area Network, referred to as WLAN) focus search.
Background technology
WLAN(Wireless Local Area Network: WLAN (wireless local area network)) provide high speed data transfer and access service with low cost, for example, and cellular communication (: the access service of large overlay area and transmitting is provided code division multiple access (Code Division Multiple Access, referred to as CDMA)).Now, the communication terminal that possesses multiple wireless access way (for example: WLAN and 3G(3G (Third Generation) Moblie technology, 3rd-generation)) becomes main flow trend, and this Terminal Type is referred to as " multimode terminal ".
From multi-module mobile terminal user's use habit, although WLAN transmission rate is high, with low cost, multi-module mobile terminal user is more prone to keep the WLAN function of multimode terminal in normal closed condition, produce above-mentioned user behavior normally due to:
1) unknowable to WLAN coverage territory of user.Fig. 1 disposes schematic diagram according to the cellular communication of correlation technique and WLAN, as shown in Figure 1, with respect to cellular communication, WLAN is a kind of wireless access way of renewal, can only dispose with the form operation of focus at present, and unlike cellular communication, realize the covering in large region.User can know whether be positioned at cellular coverage very easily by terminal, and for WLAN, unless exist significant sign to inform user, user cannot understand whether enter WLAN coverage.
2) consideration of user to WLAN power consumption.Remove sign and inform that user exists WLAN to cover, user knows that unique feasible method that WLAN covers is to utilize WLAN scan function, and WLAN scanning is the process of a relative power consumption, because in scanning process, terminal need to be received and dispatched explore frame or be intercepted WLAN beacon frame, simultaneously, WLAN sweep spacing is Millisecond, in the relatively short time, WLAN can initiate a considerable number of scanning, but these scanning results are frustrating (for example: user position does not exist any available WLAN) often.Mobile terminal normally relies on battery operated, and user for example, for the consideration that guarantees other business (: phone, note) on mobile terminal, and inevitable choice is used less or compared with the function of power consumption (for example: WLAN) stopped using.
Therefore the WLAN for mobile terminal finds and WLAN economize on electricity problem automatically, lacks at present effective solution.
Summary of the invention
For mobile terminal in correlation technique, how to carry out WLAN and automatically find and use WLAN compared with power consumption problem, the invention provides a kind of control method and device of WLAN focus search, for addressing the above problem.
According to an aspect of the present invention, provide a kind of control method of WLAN focus search, having comprised: the identification information that obtains the cellular basestation at mobile terminal place; According to described identification information, inquire about described mobile terminal whether in the overlay area in WLAN; At Query Result for be in the situation that, start the WLAN focus function of search of described mobile terminal, and according to the coverage area information of described WLAN, adjust the scanning frequency of described WLAN focus function of search, wherein, described coverage area information comprises positional information and/or radio environment information.
Whether overlay area in WLAN comprise: the mapping table that obtains the identification information of cellular basestation and the overlay area of WLAN if preferably, according to described identification information, inquiring about described mobile terminal; Whether the identification information of inquiring about the cellular basestation at described mobile terminal place there is the overlay area of corresponding WLAN in described mapping table; If there is the overlay area of corresponding WLAN, determine in the overlay area of described mobile terminal in WLAN.
Preferably, described method also comprises: after described mobile terminal access WLAN, judge whether to upgrade described mapping table; According to judged result, described mapping table is upgraded to processing.
Preferably, judge whether to upgrade described mapping table and comprise: to network side, send version querying message, wherein, the first version sign that comprises described mapping table in described version querying message; Receive the response message of described network side transmitted, if the second version identifier comprising in described response message is different from first version sign, determines and need to upgrade described mapping table; If the second version identifier comprising in described response message is identical with first version sign, determines and do not need to upgrade described mapping table.
Preferably, in the situation that described positional information is the vector distance of described WLAN and described cellular basestation, the scanning frequency of adjusting described WLAN focus function of search according to the coverage area information of described WLAN comprises: in the situation that the vector distance of described WLAN and described cellular basestation is more than or equal to predetermined threshold value, reduce the scanning frequency of described WLAN focus function of search; In the situation that the vector distance of described WLAN and described cellular basestation is less than predetermined threshold value, improve the scanning frequency of described WLAN focus function of search.
Preferably, in the situation that the wireless signal strength that described radio environment information is described WLAN, the scanning frequency of adjusting described WLAN focus function of search according to the coverage area information of described WLAN comprises: in the situation that the wireless signal strength of described WLAN is more than or equal to predetermined threshold value, improve the scanning frequency of described WLAN focus function of search; In the situation that the wireless signal strength of described WLAN is less than predetermined threshold value, reduce the scanning frequency of described WLAN focus function of search.
According to a further aspect in the invention, provide a kind of control device of WLAN focus search, having comprised: acquisition module, for obtaining the identification information of the cellular basestation at mobile terminal place; Enquiry module, for inquiring about the whether overlay area in WLAN of described mobile terminal according to described identification information; Start module, in the situation that the Query Result of described enquiry module is to be, start the WLAN focus function of search of described mobile terminal; Adjusting module, for adjust the scanning frequency of described WLAN focus function of search according to the coverage area information of described WLAN, wherein, described coverage area information comprises positional information and/or radio environment information.
Preferably, described enquiry module comprises: acquiring unit, for obtaining the mapping table of the identification information of cellular basestation and the overlay area of WLAN; Whether query unit, there is the overlay area of corresponding WLAN for inquiring about the identification information of the cellular basestation at described mobile terminal place at described mapping table; Determining unit, if for there is the overlay area of corresponding WLAN, determines in the overlay area of described mobile terminal in WLAN.
Preferably, described device also comprises: judge module, for after described mobile terminal access WLAN, judges whether to upgrade described mapping table; Update module, for upgrading processing according to the judged result of described judge module to described mapping table.
Preferably, described judge module comprises: transmitting element, and for sending version querying message to network side, wherein, the first version sign that comprises described mapping table in described version querying message; Receiving element, for receiving the response message of described network side transmitted, if the second version identifier comprising in described response message is different from first version sign, determines and need to upgrade described mapping table; If the second version identifier comprising in described response message is identical with first version sign, determines and do not need to upgrade described mapping table.
By the present invention, adopt the identification information of the cellular basestation that obtains mobile terminal place; According to this identification information, inquire about this mobile terminal whether in the overlay area in WLAN; At Query Result for be in the situation that, start the WLAN focus function of search of this mobile terminal, and according to the coverage area information of this WLAN, adjust the scanning frequency of this WLAN focus function of search, wherein, this coverage area information comprises the mode of positional information and/or radio environment information, solve mobile terminal in correlation technique and how to have carried out the automatic discovery of WLAN and use WLAN compared with power consumption problem, reduced the power consumption of mobile terminal.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 disposes schematic diagram according to the cellular communication of correlation technique and WLAN;
Fig. 2 is according to the flow chart of the control method of the WLAN focus search of the embodiment of the present invention;
Fig. 3 is according to the structured flowchart of the control device of the WLAN focus search of the embodiment of the present invention;
Fig. 4 is the preferred structure block diagram according to the enquiry module of the embodiment of the present invention;
Fig. 5 is according to the preferred structure block diagram one of the control device of the WLAN focus search of the embodiment of the present invention;
Fig. 6 is the preferred structure block diagram according to the judge module of the embodiment of the present invention;
Fig. 7 is according to the preferred structure block diagram two of the control device of the WLAN focus search of the embodiment of the present invention;
Fig. 8 is the flow chart of the WLAN cut-in method based on honeycomb according to the preferred embodiment of the invention;
Fig. 9 is the structured flowchart of the WLAN connecting system based on honeycomb according to the preferred embodiment of the invention;
Figure 10 is according to the description scene schematic diagram of the WLAN cut-in method based on honeycomb of the embodiment of the present invention one;
Figure 11 is according to the flow chart of the WLAN cut-in method based on honeycomb of the embodiment of the present invention one;
Figure 12 is according to the preferred schematic diagram of the WLAN coverage domain information question blank of the embodiment of the present invention one;
Figure 13 is according to the description scene schematic diagram of the WLAN cut-in method based on honeycomb of the embodiment of the present invention two;
Figure 14 is according to the flow chart of the WLAN cut-in method based on honeycomb of the embodiment of the present invention two;
Figure 15 is according to the description scene schematic diagram of the WLAN cut-in method based on honeycomb of the embodiment of the present invention three;
Figure 16 is according to the flow chart of the WLAN cut-in method based on honeycomb of the embodiment of the present invention three;
Figure 17 is according to the flow chart of the renewal WLAN coverage domain information question blank of the embodiment of the present invention four.
Embodiment
Hereinafter with reference to accompanying drawing, also describe the present invention in detail in conjunction with the embodiments.It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.
A kind of control method of WLAN focus search is provided in the present embodiment, and Fig. 2 is that as shown in Figure 2, the method comprises the steps: according to the flow chart of the control method of the WLAN focus search of the embodiment of the present invention
S202, obtains the identification information of the cellular basestation at mobile terminal place;
S204, inquires about this mobile terminal whether in the overlay area in WLAN according to this identification information;
S206, at Query Result, for be in the situation that, start the WLAN focus function of search of this mobile terminal, and according to the coverage area information of this WLAN, adjust the scanning frequency of this WLAN focus function of search, wherein, this coverage area information comprises positional information and/or radio environment information.
The present embodiment passes through above-mentioned steps, according to the identification information of the cellular basestation at mobile terminal place, inquire this mobile terminal whether in the overlay area in WLAN, if in the overlay area of WLAN, open WLAN focus function of search, and according to the coverage area information of this WLAN, adjust the scanning frequency of this WLAN focus function of search, because the cellular communication capability of mobile terminal all can be held open conventionally, and identification information by cellular basestation obtains mobile terminal whether in the coverage in WLAN and start WLAN scan function with this, just mobile terminal can be avoided in the situation that the not appearance of the situation in the meaningless WLAN of carrying out of coverage of WLAN scanning, and according to the coverage area information of this WLAN, adjust the scanning frequency of this WLAN focus function of search, thereby can control flexibly scanning frequency, how solved mobile terminal in correlation technique carries out the automatic discovery of WLAN and uses WLAN compared with power consumption problem, reduced the power consumption of mobile terminal.
Preferably, mobile terminal can obtain the identification information of the base station of community, current place, also may get the identification information of present position adjacent base station as the identification information of the cellular basestation at this mobile terminal place.Mobile terminal can obtain the identification information of base station after access base station, also can directly obtain cellular basestation information without access.
As a kind of preferred implementation, can whether come according to identification information enquiry mobile terminal in the overlay area in WLAN by the mode of tabling look-up.For example, can first obtain the mapping table of the identification information of cellular basestation and the overlay area of WLAN; Then whether the identification information of the cellular basestation of enquiry mobile terminal access there is the overlay area of corresponding WLAN in this mapping table.If there is the overlay area of corresponding WLAN, can illustrate that this mobile terminal is in the overlay area of WLAN, thereby can open WLAN focus function of search; If there is no the overlay area of corresponding WLAN, can illustrate that this mobile terminal is not in the overlay area in WLAN, thereby can repeat above-mentioned steps.
Preferably, above-mentioned mapping table also can be called WLAN coverage domain information question blank, and this table can obtain by network side, also can be pre-stored in mobile terminal, and from network side, upgrade after access wlan network.For example, after mobile terminal access WLAN, can judge whether to upgrade mapping table, and according to judged result, this mapping table be upgraded to processing.
Preferably, judge whether mapping table needs renewal to carry out in the following way: first, mobile terminal can be carried at the version identifier (referred to as first version sign) that is kept at local above-mentioned mapping table in version querying message and send to network side; Network side, after receiving this version querying message, can contrast first version sign and the version identifier (referred to as the second version identifier) of the new mapping table of network side.
If version identifier is identical, without renewal, network side can not carry version identifier in returning to the response message of mobile terminal, or also can carry with first version and identify this identical second version identifier, mobile terminal, after receiving the response message of network side transmitted, is determined and is not needed to upgrade this mapping table;
If version identifier is different, need to upgrade, network side can carry this second version identifier not identical with first version sign in returning to the response message of mobile terminal, and mobile terminal, after receiving this response message of network side transmitted, is determined and need to be upgraded this mapping table.
As a kind of preferred implementation, the mode of the scanning frequency of WLAN focus function of search being adjusted according to the coverage area information of WLAN can be carried out in such a way: according to the positional information of WLAN and/or according to the radio environment information of WLAN, the scanning frequency of WLAN focus function of search is adjusted.
Wherein, the positional information of WLAN can be the distance between WLAN focus and cellular basestation, or can be also the direction that WLAN focus is positioned at cellular basestation, can certainly be the information of the physical location relation of other performance WLAN and cellular basestation.According to the positional information of WLAN, to the scanning frequency adjustment of WLAN focus function of search, can have multiple, for example, in the situation that the positional information that coverage area information comprises is the vector distance of WLAN and cellular basestation, when WLAN and cellular basestation are when distant, can reduce the scanning frequency of WLAN focus function of search, to increase the scan period, thereby save power consumption; When WLAN and cellular basestation close together, can increase the scanning frequency of WLAN focus function of search, to reduce the scan period, thereby search more quickly available WLAN, be user-friendly to.
The radio environment information of WLAN can be the average signal strength that WLAN covers at cellular basestation, or can be also the covering radius of WLAN, can certainly be that other performances WLAN is in the information of the signal environment of this cellular basestation covering.According to the radio environment information of WLAN, to the scanning frequency adjustment of WLAN focus function of search, can have multiple, for example, in the situation that the radio environment information that coverage area information comprises is the average wireless signal strength of WLAN, when WLAN is when the average signal strength of this cellular basestation is weak, can reduce the scanning frequency of WLAN focus function of search, to increase the scan period, thereby save power consumption; When WLAN is when the average signal strength of this cellular basestation is stronger, can increase the scanning frequency of WLAN focus function of search, to reduce the scan period, thereby search more quickly available WLAN, be user-friendly to.
Corresponding to said method, a kind of control device of WLAN scanning is also provided in the present embodiment, can be arranged in mobile terminal, this device is used for realizing above-described embodiment and preferred implementation, has carried out repeating no more of explanation.As used below, the combination of software and/or the hardware of predetermined function can be realized in term " module ".Although the described device of following examples is preferably realized with software, hardware, or the realization of the combination of software and hardware also may and be conceived.
Fig. 3 is that as shown in Figure 3, this device comprises according to the structured flowchart of the control device of the WLAN focus search of the embodiment of the present invention: acquisition module 32, enquiry module 34, startup module 36 and adjusting module 38, be elaborated to modules below.
Acquisition module 32, for obtaining the identification information of the cellular basestation at mobile terminal place; Enquiry module 34, is connected with acquisition module 32, the overlay area in WLAN whether for the identification information enquiry mobile terminal that gets according to acquisition module 32; Start module 36, be connected with enquiry module 34, in the situation that the Query Result of enquiry module 34 is to be, start the WLAN focus function of search of this mobile terminal; Adjusting module 38, is connected with startup module 36, and for adjust the scanning frequency of WLAN focus function of search according to the coverage area information of WLAN, wherein, this coverage area information comprises positional information and/or radio environment information.
The present embodiment is by above-mentioned module, the identification information of the cellular basestation at the mobile terminal place getting according to acquisition module 32 inquires this mobile terminal whether in the overlay area in WLAN by enquiry module 34, if in the overlay area of WLAN, use and start module 36 unlatching WLAN focus functions of search, and use adjusting module 38 according to the coverage area information of this WLAN, to adjust the scanning frequency of this WLAN focus function of search, because the cellular communication capability of mobile terminal all can be held open conventionally, and identification information by cellular basestation obtains mobile terminal whether in the coverage in WLAN and start WLAN scan function with this, just mobile terminal can be avoided in the situation that the not appearance of the situation in the meaningless WLAN of carrying out of coverage of WLAN scanning, and according to the coverage area information of this WLAN, adjust the scanning frequency of this WLAN focus function of search, thereby can control flexibly scanning frequency, how solved mobile terminal in correlation technique carries out the automatic discovery of WLAN and uses WLAN compared with power consumption problem, reduced the power consumption of mobile terminal.
Fig. 4 is according to the preferred structure block diagram of the enquiry module 34 of the embodiment of the present invention, and as shown in Figure 4, enquiry module 34 can comprise: acquiring unit 342, for obtaining the mapping table of the identification information of cellular basestation and the overlay area of WLAN; Query unit 344, is connected with acquiring unit 342, and whether the mapping table obtaining at acquiring unit 342 for the identification information of the cellular basestation at enquiry mobile terminal place exists the overlay area of corresponding WLAN; Determining unit 346, is connected with query unit 344, if for there is the overlay area of corresponding WLAN, determines in the overlay area of mobile terminal in WLAN.
Fig. 5 is according to the preferred structure block diagram one of the control device of the WLAN focus search of the embodiment of the present invention, as shown in Figure 5, this device can also comprise: judge module 52, is connected with startup module 36, for after mobile terminal access WLAN, judge whether to upgrade mapping table; Update module 54, is connected with judge module 52, for this mapping table being upgraded to processing according to the judged result of judge module 52.
Fig. 6 is according to the preferred structure block diagram of the judge module 52 of the embodiment of the present invention, as shown in Figure 6, judge module 52 can comprise: transmitting element 522, for sending version querying message to network side, wherein, the first version sign that comprises mapping table in version querying message; Receiving element 524, is connected with transmitting element 522, for receiving the response message of network side transmitted, if the second version identifier comprising in response message is different from first version sign, determines and need to upgrade mapping table; If the second version identifier comprising in response message is identical with first version sign, determines and do not need to upgrade mapping table.
Fig. 7 is according to the preferred structure block diagram two of the adjusting module 38 of the embodiment of the present invention, and as shown in Figure 7, adjusting module 38 can comprise: increase unit 382, for improving the scanning frequency of WLAN focus function of search; Reduce unit 384, for reducing the scanning frequency of WLAN focus function of search.
Below in conjunction with preferred embodiment, describe, following preferred embodiment combines above-described embodiment and preferred implementation thereof.
For multi-module mobile terminal user can enjoy WLAN high-speed transfer, advantage with low cost, need to solve WLAN in multi-module mobile terminal finds and economize on electricity problem automatically, therefore, in following preferred embodiment, proposed a kind of WLAN connecting system and method based on honeycomb, related generally to the cellular basestation information Perception WLAN coverage territory that multi-module mobile terminal utilization obtains and in this process, realize the system and method for economize on electricity.
Fig. 8 is the flow chart of the WLAN cut-in method based on honeycomb according to the preferred embodiment of the invention, for solving multimode terminal wlan network, automatically finds and economize on electricity problem, and as shown in Figure 8, the method comprises the steps:
Step S802, multi-module mobile terminal storage WLAN coverage domain information question blank; In WLAN coverage domain information question blank, cellular basestation sign forms mapping relations with WLAN coverage territory, and the geographical relationship that comprises cellular basestation distance W LAN overlay area, and WLAN coverage territory wireless messages; Mobile terminal utilizes cellular functionality to obtain cellular basestation identification information, and for example, this identification information can be that the ID of cellular basestation is, the positional information of cellular basestation etc. can identify the information of this cellular basestation.
Step S804, according to base station identification information inquiry WLAN coverage domain information.
Step S806, judges whether near WLAN coverage territory, further judges whether to start WLAN scanning; If near WLAN coverage territory, enter step S808, otherwise return to step S802.
Step S808, starts WLAN function.
Step S810, further, mobile terminal can also be adjusted the scan period automatically according to WLAN coverage domain information, realizes further economize on electricity.
Step S812, notices user and has available WLAN.
Preferably, terminal, after access WLAN, can also will be upgraded the WLAN coverage domain information question blank of version and upgrade according to Query Result to network inquiry.
Fig. 9 is the structured flowchart of the WLAN connecting system based on honeycomb according to the preferred embodiment of the invention, for solving multimode terminal wlan network, automatically finds and economize on electricity problem, and as shown in Figure 9, this system can comprise:
Cellular information acquiring unit (having realized the function of acquisition module 32), for obtaining cellular communication base stations information;
WLAN information memory cell, for storing WLAN coverage domain information question blank;
Cellular information processing unit (having realized the function of enquiry module 34), for the treatment of the cellular information obtaining from cellular information acquiring unit;
, for notice current location to user, there is available WLAN in WLAN information announcement unit;
Power saving management unit (having realized the function that starts module 36 and adjusting module 38), for managing WLAN function and adjusting WLAN economize on electricity.
In following preferred embodiment, for convenience of description, cellular basestation is identified to (Base Station ID) referred to as BSID; By cellular basestation (Base Station) referred to as BS.
And, in following preferred embodiment, with multi-module mobile terminal, at least possess cellular communication capability and WLAN function, and WLAN function is in normal closed condition, and cellular communication capability is that example describes in the line states of being everlasting.
Wherein, multi-module mobile terminal for judge WLAN coverage territory whether near or can be pre-configured by customization or wireless access service provider etc. away from the standard of base station.
In addition, can be that end side is adjusted the WLAN coverage domain information question blank of storage by network when cellular basestation or WLAN focus generation change the opportunity that WLAN coverage domain information question blank upgrades.
Embodiment mono-
Figure 10 is according to the description scene schematic diagram of the WLAN cut-in method based on honeycomb of the embodiment of the present invention one, as shown in figure 10, under this scene, in cellular footprint without WLAN coverage.Figure 11 is that as shown in figure 11, the method comprises the following steps according to the flow chart of the WLAN cut-in method based on honeycomb of the embodiment of the present invention one:
Step S1102, multi-module mobile terminal obtains the base station information of current place cellular coverage.For example: fast mobile terminal enters cellular basestation BS-1 overlay area, and the cellular information acquiring unit in terminal obtains the information of cellular basestation BS-1, as, BSID is BS-1.
Step S1104, terminal, according to the base station information obtaining, is inquired about the WLAN coverage domain information in this base station coverage area, for example: cellular information processing unit is according to the BSID obtaining, at the WLAN coverage domain information question blank of WLAN information memory cell storage.
Further, Figure 12 is according to the preferred schematic diagram of the WLAN coverage domain information question blank of the embodiment of the present invention one, the WLAN coverage domain information question blank of WLAN information memory cell storage has recorded cellular basestation information, WLAN information and WLAN focus are apart from the distance of cellular basestation, can there is pattern as shown in figure 12, but be not limited to this pattern, this table may also record cellular basestation latitude and longitude information and WLAN focus latitude and longitude information, or in this cellular basestation overlay area this WLAN focus average signal strength etc. other can be for determining the information of the WLAN coverage position in cellular coverage.
Step S1106, inquire about after the WLAN coverage domain information in this base station coverage area, terminal is found not have WLAN in this base station coverage area, keeps terminal WLAN function in closed condition, and wait for that terminal enters after new cellular coverage, repeated execution of steps S1102.For example: cellular information processing unit is inquired about after this WLAN coverage domain information question blank, in the base station coverage area that discovery is BS-1 at BSID, do not have WLAN coverage, cellular information processing unit exits, and waits for that cellular information acquiring unit obtains new cellular basestation information.
Embodiment bis-
Figure 13 is according to the description scene schematic diagram of the WLAN cut-in method based on honeycomb of the embodiment of the present invention two, as shown in figure 13, under this scene, has WLAN coverage in cellular footprint.Figure 14 is that as shown in figure 14, the method comprises the following steps according to the flow chart of the WLAN cut-in method based on honeycomb of the embodiment of the present invention two:
Step S1402, multi-module mobile terminal obtains the base station information of current place cellular coverage.For example: fast mobile terminal enters cellular basestation BS-2 overlay area, and the cellular information acquiring unit in terminal obtains the sign of cellular basestation BS-2, as, BSID is BS-2.
Step S1404, terminal, according to the base station information obtaining, is inquired about the WLAN coverage domain information in this base station coverage area, for example: cellular information processing unit is according to the BSID obtaining, at the WLAN coverage domain information question blank of WLAN information memory cell storage.
Further, the WLAN coverage domain information question blank of WLAN information memory cell storage has recorded cellular basestation information, WLAN information and WLAN focus are apart from the distance of cellular basestation, can there is the pattern shown in Figure 12, but be not limited to this pattern, this table may also record cellular basestation latitude and longitude information and WLAN focus latitude and longitude information, or in this cellular basestation overlay area this WLAN focus average signal strength etc. other can be for determining the information of the WLAN coverage position in cellular coverage.
Step S1406, inquires about after the WLAN coverage domain information in this base station coverage area, have WLAN, but WLAN coverage territory is far away apart from this base station distance in this base station coverage area of terminal judges.For example: cellular information processing unit is inquired about after this WLAN coverage domain information question blank, find, in the base station coverage area that is BS-2 at BSID, to have WLAN, SSID is wlanap001, but this WLAN coverage is far away apart from base station.
Step S1408, exists after WLAN in this base station coverage area of terminal judges, and terminal starts WLAN function.For example: in cellular information processing unit judgement BS-2 overlay area, having SSID is the WLAN of wlanap001, cellular information processing unit initiates a message to power saving management unit, notice power saving management unit can start WLAN function, power saving management unit is received after message, starts the WLAN function in terminal.
Step S1410, terminal starts after WLAN function, and because judgement WLAN coverage territory is far away apart from this base station distance, it is long period that terminal can arrange the WLAN scan period, enters WLAN scanning, significantly reduces scanning frequency.For example: power saving management unit starting WLAN function, and the WLAN scan period be set to long period, as, minute level sweep spacing, significantly reduces scanning times, realizes further economize on electricity.
Step S1412, terminal is noticed user, and there is available WLAN in current location.For example: power saving management unit completes after the scan period arranges, and indication WLAN information announcement unit sends notice to user, and noticing and having the SSID of available WLAN and WLAN is around wlanap001, the signal strength signal intensity of this WLAN etc.
Embodiment tri-
Figure 15 is according to the description scene schematic diagram of the WLAN cut-in method based on honeycomb of the embodiment of the present invention three, as shown in figure 15, under this scene, has WLAN coverage in cellular footprint.Figure 16 is that as shown in figure 16, the method comprises the following steps according to the flow chart of the WLAN cut-in method based on honeycomb of the embodiment of the present invention three:
Step S1602, multi-module mobile terminal obtains the base station information of current place cellular coverage.For example: fast mobile terminal enters cellular basestation BS-3 overlay area, and the cellular information acquiring unit in terminal obtains the information of cellular basestation BS-3, as, BSID is BS-3.
Step S1604, terminal, according to the base station information obtaining, is inquired about the WLAN coverage domain information in this base station coverage area, for example: cellular information processing unit is according to the BSID obtaining, at the WLAN coverage domain information question blank of WLAN information memory cell storage.
Further, the WLAN coverage domain information question blank of WLAN information memory cell storage has recorded cellular basestation information, WLAN information and WLAN focus are apart from the distance of cellular basestation, can there is the pattern shown in Figure 12, but be not limited to this pattern, this table may also record cellular basestation latitude and longitude information and WLAN focus latitude and longitude information, or in this cellular basestation overlay area this WLAN focus average signal strength etc. other can be for determining the information of the WLAN coverage position in cellular coverage.
Step S1606, inquires about after the WLAN coverage domain information in this base station coverage area, in this base station coverage area of terminal judges, has WLAN, and WLAN coverage territory distance is near this base station.For example: cellular information processing unit is inquired about after this WLAN coverage domain information question blank, in the base station coverage area that discovery is BS-3 at BSID, have WLAN, SSID is wlanap002, wlanap003, wlanap004, but this WLAN coverage is all nearer apart from base station.
Step S1608, exists after WLAN in this base station coverage area of terminal judges, and terminal starts WLAN function.For example: in cellular information processing unit judgement BS-3 overlay area, having SSID is the WLAN of wlanap002, wlanap003, wlanap004, cellular information processing unit initiates a message to power saving management unit, notice power saving management unit can start WLAN function, power saving management unit is received after message, starts the WLAN function in terminal.
Step S1610, terminal starts after WLAN function, and because judgement WLAN coverage territory distance is near this base station, it is the short period that terminal can arrange the WLAN scan period, enters WLAN scanning.For example: power saving management unit starting WLAN function, and the WLAN scan period be set to the short period, as, second level sweep spacing.
Step S1612, terminal is noticed user, and there is available WLAN in current location.For example: power saving management unit completes after the scan period arranges, indication WLAN information announcement unit sends notice to user, noticing and having the SSID of available WLAN and WLAN is around wlanap002, wlanap003, wlanap004, the signal strength signal intensity of this WLAN etc.
Embodiment tetra-
Figure 17 is that as shown in figure 17, this flow process comprises the following steps according to the flow chart of the renewal WLAN coverage domain information question blank of the embodiment of the present invention four.
Step S1702, after terminal access WLAN, terminal can send WLAN coverage domain information question blank version querying message to network side, comprises the WLAN coverage domain information question blank version of terminal storage in this message.
Step S1704, network side receives after the version querying message that terminal sends in requester network, whether have the WLAN coverage domain information question blank that upgrades version, and Query Result is returned to terminal.For example, when cellular basestation information changes, or after WLAN focus disposes and to change, network side has upgraded WLAN coverage domain information question blank, and network side has the WLAN coverage domain information question blank that upgrades version.
Further, in network, without the WLAN coverage domain information question blank that upgrades version, in the inquiry response that network returns, carry master this shop or other signs, indicating terminal is without upgrading version.
Further, have the WLAN coverage domain information question blank that upgrades version in network, in the inquiry response that network returns, carry upgraded edition this shop or other signs, indicating terminal is prepared to accept question blank and is upgraded.
Step S1706, network side sends more new portion of WLAN coverage domain information question blank to terminal.
In another embodiment, also provide a kind of software, the technical scheme that this software is described for carrying out above-described embodiment and preferred embodiment.
In another embodiment, also provide a kind of storage medium, 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, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in storage device and be carried out by calculation element, and in some cases, can carry out shown or described step with the order being different from herein, or they are made into respectively to each integrated circuit modules, or a plurality of modules in them or step are made into single integrated circuit module to be realized.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a control method for WLAN (wireless local area network) WLAN focus search, is characterized in that, comprising:
Obtain the identification information of the cellular basestation at mobile terminal place;
According to described identification information, inquire about described mobile terminal whether in the overlay area in WLAN;
At Query Result for be in the situation that, start the WLAN focus function of search of described mobile terminal, and according to the coverage area information of described WLAN, adjust the scanning frequency of described WLAN focus function of search, wherein, described coverage area information comprises positional information and/or radio environment information.
2. whether method according to claim 1, is characterized in that, inquire about described mobile terminal comprise the overlay area in WLAN according to described identification information:
Obtain the mapping table of the identification information of cellular basestation and the overlay area of WLAN;
Whether the identification information of inquiring about the cellular basestation at described mobile terminal place there is the overlay area of corresponding WLAN in described mapping table;
If there is the overlay area of corresponding WLAN, determine in the overlay area of described mobile terminal in WLAN.
3. method according to claim 2, is characterized in that, described method also comprises:
After described mobile terminal access WLAN, judge whether to upgrade described mapping table;
According to judged result, described mapping table is upgraded to processing.
4. method according to claim 3, is characterized in that, judges whether to upgrade described mapping table and comprises:
To network side, send version querying message, wherein, the first version sign that comprises described mapping table in described version querying message;
Receive the response message of described network side transmitted, if the second version identifier comprising in described response message is different from first version sign, determines and need to upgrade described mapping table; If the second version identifier comprising in described response message is identical with first version sign, determines and do not need to upgrade described mapping table.
5. according to the method described in any one in claim 1 to 4, it is characterized in that, in the situation that described positional information is the vector distance of described WLAN and described cellular basestation, the scanning frequency of adjusting described WLAN focus function of search according to the coverage area information of described WLAN comprises:
In the situation that the vector distance of described WLAN and described cellular basestation is more than or equal to predetermined threshold value, reduce the scanning frequency of described WLAN focus function of search;
In the situation that the vector distance of described WLAN and described cellular basestation is less than predetermined threshold value, improve the scanning frequency of described WLAN focus function of search.
6. according to the method described in any one in claim 1 to 4, it is characterized in that, in the situation that the wireless signal strength that described radio environment information is described WLAN, the scanning frequency of adjusting described WLAN focus function of search according to the coverage area information of described WLAN comprises:
In the situation that the wireless signal strength of described WLAN is more than or equal to predetermined threshold value, improve the scanning frequency of described WLAN focus function of search;
In the situation that the wireless signal strength of described WLAN is less than predetermined threshold value, reduce the scanning frequency of described WLAN focus function of search.
7. a control device for WLAN (wireless local area network) WLAN focus search, is characterized in that, comprising:
Acquisition module, for obtaining the identification information of the cellular basestation at mobile terminal place;
Enquiry module, for inquiring about the whether overlay area in WLAN of described mobile terminal according to described identification information;
Start module, in the situation that the Query Result of described enquiry module is to be, start the WLAN focus function of search of described mobile terminal;
Adjusting module, for adjust the scanning frequency of described WLAN focus function of search according to the coverage area information of described WLAN, wherein, described coverage area information comprises positional information and/or radio environment information.
8. device according to claim 7, is characterized in that, described enquiry module comprises:
Acquiring unit, for obtaining the mapping table of the identification information of cellular basestation and the overlay area of WLAN;
Whether query unit, there is the overlay area of corresponding WLAN for inquiring about the identification information of the cellular basestation at described mobile terminal place at described mapping table;
Determining unit, if for there is the overlay area of corresponding WLAN, determines in the overlay area of described mobile terminal in WLAN.
9. device according to claim 8, is characterized in that, described device also comprises:
Judge module, for after described mobile terminal access WLAN, judges whether to upgrade described mapping table;
Update module, for upgrading processing according to the judged result of described judge module to described mapping table.
10. device according to claim 9, is characterized in that, described judge module comprises:
Transmitting element, for sending version querying message to network side, wherein, the first version sign that comprises described mapping table in described version querying message;
Receiving element, for receiving the response message of described network side transmitted, if the second version identifier comprising in described response message is different from first version sign, determines and need to upgrade described mapping table; If the second version identifier comprising in described response message is identical with first version sign, determines and do not need to upgrade described mapping table.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210278624.0A CN103582076A (en) | 2012-08-07 | 2012-08-07 | WLAN WifiTrak control method and device |
| PCT/CN2013/077834 WO2013178111A1 (en) | 2012-08-07 | 2013-06-25 | Wlan hotspot search control method and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210278624.0A CN103582076A (en) | 2012-08-07 | 2012-08-07 | WLAN WifiTrak control method and device |
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| WO (1) | WO2013178111A1 (en) |
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