CN104378803A - Mobile terminal and method for wireless local area network search of mobile terminal - Google Patents
Mobile terminal and method for wireless local area network search of mobile terminal Download PDFInfo
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- CN104378803A CN104378803A CN201310351454.9A CN201310351454A CN104378803A CN 104378803 A CN104378803 A CN 104378803A CN 201310351454 A CN201310351454 A CN 201310351454A CN 104378803 A CN104378803 A CN 104378803A
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- mobile terminal
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- buildings
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/02—Access restriction performed under specific conditions
- H04W48/04—Access restriction performed under specific conditions based on user or terminal location or mobility data, e.g. moving direction, speed
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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
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The invention discloses a mobile terminal and a method for a wireless local area network search of the mobile terminal. The method for the wireless local area network search of the mobile terminal includes the steps that under the condition that the wireless local area network search of the mobile terminal is stopped, whether the mobile terminal is located in a building network coverage region or not is judged, and if yes, the wireless local area network search is started. By the adoption of the method, whether a user of the mobile terminal enters the building network coverage region or not can be judged, when the user of the mobile terminal enters the building network coverage region, all wireless local area networks in a building are automatically searched for and connected, and by the adoption of the mobile terminal and the method for the wireless local area network search of the mobile terminal, the wireless local area networks can be found in time.
Description
Technical field
The present invention relates to moving communicating field, particularly relate to a kind of method of mobile terminal and search WLAN (wireless local area network) thereof.
Background technology
Along with the development of Internet technology, LTE(Long Term Evolution, Long Term Evolution) as the Long Term Evolution of the UMTS technical standard organized to set up by 3GPP, become country that our times adopts and area gradually the most widely, a kind of 4G standard that terminal kinds is the abundantest, can provide the large-scale network coverage.Meanwhile along with the increase of terminal equipment networking or accessing mobile communication network demand, WLAN(WirelessLocal Area Network, WLAN (wireless local area network)) technology obtains fast development, arbitrary mechanism can by buying or renting multiple AP(Access Point voluntarily, access point) mode form an independent wlan network, then provide free or the wireless access service of charge.
LTE network wide coverage, but terminal use need to operator's defrayment, and the coverage of WLAN is little, is generally free service, particularly the WLAN of household person and company networking is voluntarily free access, and the signal of WLAN is more stable than LTE among a small circle.When LTE and wlan network service all can use, terminal use is inclined to use the network service of WLAN more.
Current terminal use, when needs use wlan network service, needs to open WLAN search switch voluntarily, accesses after searching available WLAN.The frequency of this kind of method search wlan network is controlled voluntarily by terminal use completely, can not search available wlan network in time.If for ensureing to search available wlan network in time, needing wlan network search switch to open, the electricity of terminal can be consumed so again always.
Summary of the invention
The main technical problem to be solved in the present invention is, provides a kind of method of mobile terminal and search WLAN (wireless local area network) thereof, can search WLAN (wireless local area network) in time.
For solving the problems of the technologies described above, the invention provides a kind of method of mobile terminal to search WLAN (wireless local area network), comprising:
When the WLAN (wireless local area network) search of mobile terminal is closed, judge whether described mobile terminal is positioned at buildings network overlay area, if so, then open wireless LanExplorer.
Further, the described step judging whether described mobile terminal is positioned at buildings network overlay area comprises:
Judge whether described mobile terminal is positioned at buildings network overlay area by carrying out short-range communication with the radio frequency electric equipment in buildings network overlay area;
Or
Obtain the positional information of mobile terminal, judge whether be positioned at buildings network overlay area with described mobile terminal according to the positional information of described mobile terminal;
Or
Judge whether described mobile terminal is positioned at buildings network overlay area by carrying out communicating with the network system that mobile operator provides.
Further, describedly judge that the step whether described mobile terminal is positioned at buildings network overlay area comprises by carrying out short-range communication with the radio frequency electric equipment in buildings network overlay area:
Whether successfully set up short-range communication by the radio frequency electric equipment judging in mobile terminal and buildings network overlay area and judge whether described mobile terminal is positioned at buildings network overlay area;
Or
After radio frequency electric equipment in mobile terminal and buildings network overlay area sets up short-range communication, whether the described mobile terminal obtaining the transmission of described radio frequency electric equipment is positioned at the indication information of buildings network overlay area, judges whether described mobile terminal is positioned at buildings network overlay area according to described indication information;
Describedly judge that the step whether described mobile terminal is positioned at buildings network overlay area comprises by carrying out communicating with the network system that mobile operator provides:
After mobile terminal and LTE/3G network system connect, obtain the identification information that LTE/3G network system sends, Home eNodeB type whether is belonged to according to identification information judgment current service cell, if, then judge that described mobile terminal is positioned at LTE/3G home base station network overlay area, if not, then judge that described mobile terminal is not positioned at LTE/3G home base station network overlay area.
Further, described radio frequency electric equipment is frequency read/write or radio frequency electric door lock.
Further, described method also comprises: when mobile terminal accesses the WLAN (wireless local area network) failure that searches or current service cell is not Home eNodeB type, whether monitoring current service cell changes, if, then again obtain the identification information that LTE/3G network system sends, Home eNodeB type whether is belonged to according to described identification information judgment current service cell, if, judge that described mobile terminal is positioned at LTE/3G home base station network overlay area, open wireless LanExplorer again, if not, then continue monitoring current service cell whether to change.
Further, the step of the identification information of described acquisition LTE network system transmission comprises:
Obtain the SIB1 message that LTE network system sends, from described SIB1 message field, extract identification information;
The step whether described monitoring current service cell changes comprises:
Monitor current service cell by the field detecting the described identification information carried in described SIB1 message whether to change.
Also for ease of and solve above-mentioned technical problem, present invention also offers a kind of mobile terminal, comprising: judge module and WLAN (wireless local area network) search module;
Described judge module is used for when WLAN (wireless local area network) search module is closed, and judges whether described mobile terminal is positioned at buildings network overlay area;
Described WLAN (wireless local area network) search module is used for when described judge module is judged as YES, and carries out WLAN (wireless local area network) search.
Further, described judge module is used for:
Judge whether described mobile terminal is positioned at buildings network overlay area by carrying out short-range communication with the radio frequency electric equipment in buildings network overlay area;
Or
Obtain the positional information of mobile terminal, judge whether described mobile terminal is positioned at buildings network overlay area according to the positional information of described mobile terminal;
Or
Judge whether described mobile terminal is positioned at buildings network overlay area by carrying out communicating with the network system that mobile operator provides.
Further, whether the described judge module radio frequency electric equipment be used for by judging in mobile terminal and buildings network overlay area is successfully set up short-range communication and is judged whether described mobile terminal is positioned at buildings network overlay area; Or after the radio frequency electric equipment in mobile terminal and buildings network overlay area sets up short-range communication, whether the described mobile terminal obtaining the transmission of described radio frequency electric equipment is positioned at the indication information of buildings network overlay area, judges whether described mobile terminal is positioned at buildings network overlay area according to described indication information;
Or
Described judge module is used for after mobile terminal and LTE/3G network system connect, obtain the identification information that LTE/3G network system sends, Home eNodeB type whether is belonged to according to identification information judgment current service cell, if, then judge that described mobile terminal is positioned at LTE/3G home base station network overlay area, if not, then judge that described mobile terminal is not positioned at LTE/3G home base station network overlay area.
Further, described mobile terminal also comprises: detection module;
Described detection module is used for when mobile terminal accesses the WLAN (wireless local area network) failure that searches or current service cell is not Home eNodeB type, whether monitoring current service cell changes, if, then again obtain the identification information that LTE/3G network system sends, Home eNodeB type whether is belonged to according to described identification information judgment current service cell, if, judge that described mobile terminal is positioned at LTE/3G home base station network overlay area, again open described WLAN (wireless local area network) search module and carry out WLAN (wireless local area network) search, if not, then continue monitoring current service cell whether to change.
Further, the SIB1 message that described judge module sends for obtaining LTE network system, extracts described identification information from described SIB1 message field;
Whether described detection module is used for monitoring current service cell change by detecting the field of carrying described identification information in described SIB1 message.
The invention has the beneficial effects as follows:
The invention provides a kind of method of mobile terminal and search WLAN (wireless local area network) thereof, WLAN (wireless local area network) can be searched in time, the method of WLAN (wireless local area network) of the present invention search comprises: when the WLAN (wireless local area network) search of mobile terminal is closed, judge whether described mobile terminal is positioned at buildings network overlay area, if so, then open wireless LanExplorer, mobile terminal of the present invention can realize judging whether self is positioned at the function of buildings network overlay area, all WLAN (wireless local area network) of automatic search building when mobile terminal is positioned at this region, such as under buildings network covers whole building situation, when mobile terminal is positioned at building, mobile terminal will all WLAN (wireless local area network) of automatic search building connect, compared with prior art, WLAN (wireless local area network) can be searched timely and effectively, WLAN (wireless local area network) is utilized to realize Network, and do not need that wlan network search switch is opened guarantee always and search WLAN (wireless local area network) in time, decrease the electric quantity consumption of mobile terminal.
Accompanying drawing explanation
The flow chart of the method for a kind of mobile terminal to search WLAN (wireless local area network) that Fig. 1 provides for the embodiment of the present invention one;
The flow chart of the method for a kind of mobile terminal to search WLAN (wireless local area network) that Fig. 2 provides for the embodiment of the present invention two;
The structural representation of a kind of mobile terminal that Fig. 3 provides for the embodiment of the present invention two;
The flow chart of the method for the another kind of mobile terminal to search WLAN (wireless local area network) that Fig. 4 provides for the embodiment of the present invention two;
The structural representation of a kind of mobile terminal that Fig. 5 provides for the embodiment of the present invention three;
The structural representation of the another kind of mobile terminal that Fig. 6 provides for the embodiment of the present invention three.
Embodiment
By reference to the accompanying drawings the present invention is described in further detail below by embodiment.
Embodiment one:
As shown in Figure 1, present embodiments provide a kind of method of mobile terminal to search WLAN (wireless local area network), comprise the following steps:
Step 101: when the WLAN (wireless local area network) search of mobile terminal is closed, judge whether described mobile terminal is positioned at buildings network overlay area, if so, perform step 102, if not, perform step 103;
Step 102: open wireless LanExplorer;
Step 103: maintain the state that WLAN (wireless local area network) search is closed.
The method of the mobile terminal to search WLAN (wireless local area network) of the present embodiment can under WLAN be in closed condition, judge whether described mobile terminal is positioned at buildings network overlay area, all WLAN (wireless local area network) of searching for building when mobile phone users is positioned at buildings network overlay area in time connect, compared with prior art, WLAN (wireless local area network) can be searched timely and effectively, WLAN (wireless local area network) is utilized to realize Network, and do not need that wlan network search switch is opened guarantee always and search WLAN (wireless local area network) in time, decrease the electric quantity consumption of mobile terminal.Buildings network overlay area in the present embodiment refers to the region that the network belonging to this building covers, such as, the region that its wireless network that can comprise this building covers, the size in this region is relevant with the wireless network covering power of building, when covering power is stronger, this region is larger; Such as when the wireless network in building covers whole building, buildings network overlay area is just the interior zone of this building, when the wireless network in building covers whole building and this building perimeter strip, buildings network overlay area just adds the region of building periphery for the interior zone of building.In the present embodiment, the wireless network of building can be the wireless network that base station in building builds, but not only for this wireless network, other indoor wireless networks that also can be well known to those skilled in the art.
Judge in above-mentioned steps 101 that the mode whether described mobile terminal is positioned at buildings network overlay area can comprise following several mode:
By carrying out short-range communication with the radio frequency electric equipment in buildings network overlay area, the first, judge whether described mobile terminal is positioned at buildings network overlay area; Concrete judgment mode can comprise:
Whether the radio frequency electric equipment 1, by judging in mobile terminal and buildings network overlay area successfully sets up short-range communication judges whether described mobile terminal is positioned at building; When being successfully established, judging that mobile terminal is positioned at buildings network overlay area, when setting up unsuccessfully, judging that mobile terminal is not positioned at buildings network overlay area.The situation in whole market is such as covered at the wireless network in market, buildings network overlay area is market interior zone, when the user of mobile terminal is positioned at market, the mobile terminal with radio communication function judges whether successfully to connect with the frequency read/write in market, if, then automatically carry out WLAN (wireless local area network) search, if not, then keep WLAN (wireless local area network) search closed condition; Or when the wireless network of subway station covers whole subway station, buildings network overlay area is subway station interior zone, when the user of mobile terminal enters subway station, by mobile terminal swipe the card enter lock time, the automatic open wireless LanExplorer of terminal; Or be the situation that wireless network at home covers whole indoor and outdoor certain limit, buildings network overlay area is add outdoor area in family room, when user comes home from work, by terminal and oneself electronic lock carry out radio communication to open time, terminal and electronic lock successfully set up short-range communication, now terminal enters WLAN (wireless local area network) search automatically, and search and certainly can be dynamically connected during WLAN, being certainly certainly dynamically connected must be set account and password in advance.
2, after the radio frequency electric equipment in mobile terminal and building sets up short-range communication, whether the mobile terminal obtaining the transmission of described radio frequency electric equipment is positioned at the indication information of building, judges whether described mobile terminal is positioned at building according to described indication information.Such as, when user goes home, by terminal and oneself electronic lock carry out radio communication to open time, electronic lock will send the identification information of one family, terminal just can according to this identification information judgment now user be in (namely in family's wireless network coverage area), automatically WLAN search is opened, the network service that user can use WLAN to provide, again such as, when user removes market shopping, the radio-frequency readers of market step will scan the mobile terminal of user, this read write line will send the terminal of identification information to user in a market, according to this identification information judgment, now mobile terminal and user thereof are positioned at building (namely at market wireless network coverage area) to terminal, automatically WLAN search is opened, search for available WLAN to connect, experience the network service that WLAN provides.
The second, by obtaining the positional information of mobile terminal, judges whether be positioned at building with described mobile terminal according to the positional information of described mobile terminal; Such as, when terminal obtains mobile terminal particular location coordinate now by GPS, on map, then determine mobile terminal whether in certain buildings network overlay area, if so, then automatically open WLAN search, if not, then keep closing WLAN state; Again such as, user is at certain market shopping, this market is covered by wireless network, when the frequency read/write that market is arranged scans mobile terminal (certain mobile terminal must possess radio communication function) of user, can by more specific location information (floor, nearest shop) now residing for user, terminal can judge to be used for being positioned at market according to this information, automatically opens WLAN search.The mode of the acquisition positional information that the present invention not only provides in the present embodiment.
By carrying out communicating with the network system that mobile operator provides, the third, judge whether described mobile terminal is positioned at buildings network overlay area.Concrete judgment mode can comprise:
After mobile terminal and LTE/3G network system connect, obtain the identification information that LTE/3G network system sends, Home eNodeB type whether is belonged to according to identification information judgment current service cell, if, then judge that described mobile terminal is positioned at LTE/3G home base station network overlay area, if not, then judge that described mobile terminal is not positioned at LTE/3G home base station network overlay area.
Because the coverage of Home eNodeB is relatively little, be used for family or enterprise-like corporation, the probability of these places configuration wlan network is very high.So by identifying that LTE network is Home eNodeB type, WLAN search pattern automatically can be positioned at, carries out wlan network search.
The present embodiment can utilize this network of the field identification in the system message of LTE network side whether to belong to Home eNodeB type, makes end side can judge whether to carry out WLAN search.Owing to not needing to do larger change to the independent single mode protocol stack of mobile terminal two, thus implementation method is simple; And, owing to not modifying to LTE protocol stack, therefore, it is possible to when not affecting existing LTE network and using, allow terminal use in WLAN closedown situation, automatically enter WLAN search pattern, search wlan network in time.
Radio frequency electric equipment in the present embodiment in building can for radio frequency electric door lock, frequency read/write and other there is the electronic equipment of radio communication function.
Embodiment two:
With LTE network system communication, the present embodiment is for by judging whether mobile terminal is positioned at the method that LTE/3G home base station network overlay area introduces search WLAN (wireless local area network) of the present invention in detail.As shown in Figure 2, the method for the mobile terminal to search WLAN (wireless local area network) of the present embodiment comprises:
Step 201: when WLAN closes, supports that the mobile terminal of LTE with WLAN is set up with LTE network and communicates;
Step 202: the identification information being obtained the transmission of LTE network system by LTE data transmission channel;
Step 203: whether belong to Home eNodeB type according to described identification information judgment current service cell, if so, then performs step 204, if not, then performs step 205;
Step 204: judge that described mobile terminal is positioned at LTE femtocell network's coverage area, open WLAN search, opening WLAN data transmission channel when accessing WLAN, now the data transmission channel of present terminal being switched to WLAN data transmission channel by LTE data transmission channel;
Step 205: judge that described mobile terminal is not positioned at LTE femtocell network's coverage area, keeps the state that WLAN closes.
The mobile terminal of the present embodiment at least comprises LTE and WLAN two kinds of patterns, as shown in Figure 3, the present embodiment mobile terminal comprises LTE and WLAN(802.11 protocol family) two independently protocol stacks, except being undertaken except the acquisition of WLAN by WLAN terminal automatic search return circuit module, terminal use also manually can select to open WLAN search switch by terminal control face.The workflow that WLAN search switch is opened in independent manual selection is the common-mode of current terminal works, is not again described in detail.
In Fig. 3, LTE protocol stack is connected with terminal control face by switch 1 with LTE signal transmission device, is connected with wireless link by switch 2, forms LTE data transmission channel.WLAN protocol stack and WLAN(802.11 serial protocols) signal transmission device is connected with terminal control face by switch 1, is connected by switch 2 with wireless link, forms WLAN data transmission channel.WLAN signal automatic search circuit controls switch 1 and switch 2.This WLAN signal automatic search loop realizes judging whether mobile terminal is positioned at building, and carries out the function of WLAN search.
The method of the search WLAN (wireless local area network) of the present embodiment also comprises: when mobile terminal accesses the WLAN (wireless local area network) failure that searches or current service cell is not Home eNodeB type, whether monitoring current service cell changes, if, then again obtain the identification information that LTE/3G network system sends, Home eNodeB type whether is belonged to according to described identification information judgment current service cell, if, judge that described mobile terminal is positioned at LTE/3G home base station network overlay area, open wireless LanExplorer again, if not, then continue monitoring current service cell whether to change.As shown in Figure 4, the wireless method with net of the search of the present embodiment specifically comprises:
Step 401: the identification information being obtained the current service cell that LTE network system sends by LTE data transmission channel;
Step 402: whether belong to Home eNodeB type according to described identification information judgment current service cell, if so, then performs step 403; If not, then step 406 is performed;
Step 403: judge that mobile terminal is positioned at LTE femtocell network's coverage area, carry out WLAN search;
Step 404: judge that whether access WLAN is successful, if so, then perform step 405, if not, then perform step 406;
Step 405: obtain data service by WLAN data transmission channel;
Step 406: whether monitoring current service cell changes, and if so, returns step 401, if not, then continues to perform step 406.
The method of the present embodiment utilizes this network of the field identification in the system message of LTE network side whether to belong to Home eNodeB type, makes end side can judge whether to carry out WLAN search.Because the present invention does not need to do larger change to the independent single mode protocol stack of mobile terminal two, thus implementation method is simple; And, owing to not modifying to LTE protocol stack, therefore, it is possible to when not affecting existing LTE network and using, allow terminal use in WLAN closedown situation, automatically enter WLAN search pattern, search wlan network in time.
In the present embodiment, the identification information of Home eNodeB is carried on the broadcast SIB1(System Information Block Type1 of LTE in existing 3GPP specification, first kind system information block) in message field.SIB1 community is that mobile terminal registers one of message that must obtain in LTE system, uses this field, does not need to modify to LTE protocol stack.
The process of acquisition for mobile terminal identification information comprises: obtain the SIB1 message that LTE network system sends, extract the identification information whether current service cell belongs to Home eNodeB type from described SIB1 message field.
The process of the search WLAN of the present embodiment is introduced in detail below in conjunction with Fig. 3 and Fig. 4:
The first step, obtains the SIB1 message of current the registered LTE Serving cell of terminal.
Second step, search key section CSG-Identity(Identity of theClosed Subscriber Group the cell belongs in SIB1 message, closed user group belonging to identifying cells, i.e. Home eNodeB), judge whether current area is Home eNodeB; If Home eNodeB, then terminal starts to search for available WLAN, if access WLAN success, then by switch 1 and switch 2, forms WLAN data transmission channel.After success accesses WLAN data transmission channel, if terminal have left current WLAN coverage, WLAN is unavailable, then automatically close WLAN, by switch 1 and switch 2, form LTE data transmission channel, reenter the first step, obtain the SIB1 message of current the registered LTE Serving cell of terminal.If current service cell is not Home eNodeB, or access WLAN failure in present scope, all exit WLAN search pattern, enter into the 3rd step.
3rd step, PLMN(PublicLandMobile Network is identified by the cellIdentity(monitored in the SIB1 message of community, public land mobile network) community in list) field, judge whether current service cell there occurs change, if change, then enter into the first step, if not change, then continue monitoring.
The present embodiment utilizes the CSG-Identity field in LTE system broadcast channel SIB1 message, judge whether current service cell belongs to Home eNodeB type, if be confirmed to be Home eNodeB, start WLAN search, if non-family safe base station or access WLAN failure, all enter Monitoring Service community whether changes phase, realized by the cellIdentity field in monitoring SIB1 message, this stage is promote the judgement that detection efficiency does not carry out the current area of repetition, only after current service cell changes, then enter into the determining step whether belonging to Home eNodeB.Above process is the method for automatic search WLAN under LTE system.
In the present embodiment, use the broadcast SIB1(SystemInformationBlockType1 of LTE in 3GPP specification) field CSG-Identity in message, cellIdentity.The relevant field basic structure of described SIB1 message (SystemInformationBlockType1) field is as follows:
In the present embodiment scheme, acquiescence CSG cell is unrestricted access type CSG cell, and namely in SIB1 message, this community of csg-Identity field identification is unrestricted access type.Consider restriction access type community, above scheme basis proposes supplement embodiment.By the LTE set of cells that the LTE cell extension of the current registration of terminal searches to present terminal, and constraint is carried out to the set of cells searched, add the time timer condition that signal strength threshold and signal strength signal intensity remain on more than thresholding, by current search to LTE set of cells in judge whether to there is Home eNodeB, realize automatic search WLAN under LTE system.Because mobile terminal regularly carries out the search of adjacent area, this supplementary embodiment does not need amendment LTE protocol stack.
Describe in the present embodiment and judge whether mobile terminal is positioned at the mode of buildings network overlay area such as LTE femtocell network's coverage area by communicating with LTE network, which is equally also applicable to 3G network, its detailed process and the above-mentioned process utilizing LTE network to judge similar, just do not repeating to introduce here.
Embodiment three:
As shown in Figure 5, present embodiments provide a kind of mobile terminal, comprising: judge module and WLAN (wireless local area network) search module;
Described judge module is used for, when WLAN (wireless local area network) search is closed, judging whether described mobile terminal is positioned at buildings network overlay area;
Described WLAN (wireless local area network) search module is used for when described judge module is judged as YES, and carries out WLAN (wireless local area network) search.
Preferentially, described judge module is used for:
Judge whether described mobile terminal is positioned at buildings network overlay area by carrying out short-range communication with the radio frequency electric equipment in buildings network overlay area;
Or
Obtain the positional information of mobile terminal, judge whether described mobile terminal is positioned at buildings network overlay area according to the positional information of described mobile terminal;
Or
Judge whether described mobile terminal is positioned at buildings network overlay area by carrying out communicating with the network system that mobile operator provides.
Preferentially, whether the described judge module radio frequency electric equipment be used for by judging in mobile terminal and buildings network overlay area is successfully set up short-range communication and is judged whether described mobile terminal is positioned at buildings network overlay area; Or after the radio frequency electric equipment in mobile terminal and buildings network overlay area sets up short-range communication, whether the mobile terminal obtaining the transmission of described radio frequency electric equipment is positioned at the indication information of buildings network overlay area, judges whether described mobile terminal is positioned at buildings network overlay area according to described indication information; Or
Described judge module is used for after mobile terminal and LTE/3G network system connect, obtain the identification information that LTE/3G network system sends, Home eNodeB type whether is belonged to according to identification information judgment current service cell, if, then judge that described mobile terminal is positioned at LTE/3G home base station network overlay area, if not, then judge that described mobile terminal is not positioned at LTE/3G home base station network overlay area.
As shown in Figure 6, the mobile terminal of the present embodiment also comprises: detection module;
Described detection module is used for described detection module and is used for when mobile terminal accesses the WLAN (wireless local area network) failure that searches or current service cell is not Home eNodeB type, whether monitoring current service cell changes, if, then again obtain the identification information that LTE/3G network system sends, Home eNodeB type whether is belonged to according to described identification information judgment current service cell, if, judge that described mobile terminal is positioned at LTE femtocell network's coverage area, again open described WLAN (wireless local area network) search module and carry out WLAN (wireless local area network) search, if not, then continue monitoring current service cell whether to change.
Preferentially, the SIB1 message that described judge module sends for obtaining LTE network system, extracts described identification information from described SIB1 message field;
Whether described detection module is used for monitoring current service cell change by detecting the field of carrying described identification information in described SIB1 message.
The judge module of the present embodiment and the function of WLAN (wireless local area network) search module can have WLAN signal automatic search loop to realize in one embodiment.
The mobile terminal of the present embodiment can realize judging whether mobile terminal is positioned at the function of buildings network overlay area, when mobile terminal is positioned at buildings network overlay area, all WLAN (wireless local area network) of automatic search buildings network overlay area connect, compared with prior art, WLAN (wireless local area network) can be searched timely and effectively, WLAN (wireless local area network) is utilized to realize Network, and do not need that wlan network search switch is opened guarantee always and search WLAN (wireless local area network) in time, decrease the electric quantity consumption of mobile terminal.
Above content is in conjunction with concrete execution mode further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (11)
1. a method for mobile terminal to search WLAN (wireless local area network), is characterized in that, comprising:
When the WLAN (wireless local area network) search of mobile terminal is closed, judge whether described mobile terminal is positioned at buildings network overlay area, if so, then open wireless LanExplorer.
2. the method for mobile terminal to search WLAN (wireless local area network) as claimed in claim 1, is characterized in that, the described step judging whether described mobile terminal is positioned at buildings network overlay area comprises:
Judge whether described mobile terminal is positioned at buildings network overlay area by carrying out short-range communication with the radio frequency electric equipment in buildings network overlay area;
Or
Obtain the positional information of mobile terminal, judge whether described mobile terminal is positioned at buildings network overlay area according to the positional information of described mobile terminal;
Or
Judge whether described mobile terminal is positioned at buildings network overlay area by carrying out communicating with the network system that mobile operator provides.
3. the method for mobile terminal to search WLAN (wireless local area network) as claimed in claim 2, it is characterized in that, describedly judging that the step whether described mobile terminal is positioned at buildings network overlay area comprises by carrying out short-range communication with the radio frequency electric equipment in buildings network overlay area:
Whether successfully set up short-range communication by the radio frequency electric equipment judging in mobile terminal and buildings network overlay area and judge whether described mobile terminal is positioned at buildings network overlay area;
Or
After radio frequency electric equipment in mobile terminal and buildings network overlay area sets up short-range communication, whether the described mobile terminal obtaining the transmission of described radio frequency electric equipment is positioned at the indication information of buildings network overlay area, judges whether described mobile terminal is positioned at buildings network overlay area according to described indication information;
Describedly judge that the step whether described mobile terminal is positioned at buildings network overlay area comprises by carrying out communicating with the network system that mobile operator provides:
After mobile terminal and LTE/3G network system connect, obtain the identification information that LTE/3G network system sends, Home eNodeB type whether is belonged to according to identification information judgment current service cell, if, then judge that described mobile terminal is positioned at LTE/3G home base station network overlay area, if not, then judge that described mobile terminal is not positioned at LTE/3G home base station network overlay area.
4. the method for mobile terminal to search WLAN (wireless local area network) as claimed in claim 2 or claim 3, it is characterized in that, described radio frequency electric equipment is frequency read/write or radio frequency electric door lock.
5. the method for mobile terminal to search WLAN (wireless local area network) as claimed in claim 3, it is characterized in that, also comprise: when mobile terminal accesses the WLAN (wireless local area network) failure that searches or current service cell is not Home eNodeB type, whether monitoring current service cell changes, if, then again obtain the identification information that LTE/3G network system sends, Home eNodeB type whether is belonged to according to described identification information judgment current service cell, if, judge that described mobile terminal is positioned at LTE/3G home base station network overlay area, open wireless LanExplorer again, if not, then continue monitoring current service cell whether to change.
6. the method for mobile terminal to search WLAN (wireless local area network) as claimed in claim 5, is characterized in that, the step of the identification information that described acquisition LTE network system sends comprises:
Obtain the SIB1 message that LTE network system sends, from described SIB1 message field, extract identification information;
The step whether described monitoring current service cell changes comprises:
Monitor current service cell by the field detecting the described identification information carried in described SIB1 message whether to change.
7. a mobile terminal, is characterized in that, comprising: judge module and WLAN (wireless local area network) search module;
Described judge module is used for, when described WLAN (wireless local area network) search module is closed, judging whether described mobile terminal is positioned at buildings network overlay area;
Described WLAN (wireless local area network) search module is used for when described judge module is judged as YES, and opens and carries out WLAN (wireless local area network) search.
8. mobile terminal as claimed in claim 7, it is characterized in that, described judge module is used for:
Judge whether described mobile terminal is positioned at buildings network overlay area by carrying out short-range communication with the radio frequency electric equipment in buildings network overlay area;
Or
Obtain the positional information of mobile terminal, judge whether described mobile terminal is positioned at buildings network overlay area according to the positional information of described mobile terminal;
Or
Judge whether described mobile terminal is positioned at buildings network overlay area by carrying out communicating with the network system that mobile operator provides.
9. mobile terminal as claimed in claim 8, it is characterized in that, whether the described judge module radio frequency electric equipment be used for by judging in mobile terminal and buildings network overlay area successfully sets up short-range communication judges whether described mobile terminal is positioned at buildings network overlay area; Or after the radio frequency electric equipment in mobile terminal and buildings network overlay area sets up short-range communication, whether the mobile terminal obtaining the transmission of described radio frequency electric equipment is positioned at the indication information of buildings network overlay area, judges whether described mobile terminal is positioned at buildings network overlay area according to described indication information;
Or
Described judge module is used for after mobile terminal and LTE/3G network system connect, obtain the identification information that LTE/3G network system sends, Home eNodeB type whether is belonged to according to identification information judgment current service cell, if, then judge that described mobile terminal is positioned at LTE/3G home base station network overlay area, if not, then judge that described mobile terminal is not positioned at LTE/3G home base station network overlay area.
10. mobile terminal as claimed in claim 9, is characterized in that, also comprise: detection module;
Described detection module is used for when mobile terminal accesses the WLAN (wireless local area network) failure that searches or current service cell is not Home eNodeB type, whether monitoring current service cell changes, if, then again obtain the identification information that LTE/3G network system sends, Home eNodeB type whether is belonged to according to described identification information judgment current service cell, if, judge that described mobile terminal is positioned at LTE/3G home base station network overlay area, again open described WLAN (wireless local area network) search module and carry out WLAN (wireless local area network) search, if not, then continue monitoring current service cell whether to change.
11. mobile terminals as claimed in claim 10, is characterized in that, the SIB1 message that described judge module sends for obtaining LTE network system, from described SIB1 message field, extract described identification information;
Whether described detection module is used for monitoring current service cell change by detecting the field of carrying described identification information in described SIB1 message.
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| CN201310351454.9A CN104378803A (en) | 2013-08-13 | 2013-08-13 | Mobile terminal and method for wireless local area network search of mobile terminal |
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| CN201310351454.9A CN104378803A (en) | 2013-08-13 | 2013-08-13 | Mobile terminal and method for wireless local area network search of mobile terminal |
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