CN102946586A - Access network information notification, access method and device based on position information - Google Patents
Access network information notification, access method and device based on position information Download PDFInfo
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- CN102946586A CN102946586A CN2012104442384A CN201210444238A CN102946586A CN 102946586 A CN102946586 A CN 102946586A CN 2012104442384 A CN2012104442384 A CN 2012104442384A CN 201210444238 A CN201210444238 A CN 201210444238A CN 102946586 A CN102946586 A CN 102946586A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses an access network information notification method based on position information, which comprises the following steps that a network side obtains the position information of a terminal via a network heterogeneous with a WLAN (wireless local area network); determining a WLAN near the terminal according to the position information of the terminal; and notifying WLAN information to the terminal. The invention also discloses a WLAN access method, which comprises the following steps that after the terminal receives the WLAN information sent from the network side through the network heterogeneous with the WLAN, determining whether a Wi-Fi (wireless fidelity) function is started or not according to the WLAN information and a terminal strategy. The invention simultaneously discloses an access network information notification device and a WLAN access device which are based on the position information. According to the terminal of the invention, the self Wi-Fi function is started according to the accurate WLAN information provided by the network side, the terminal can be accessed into a corresponding WLAN in time, and unnecessary AP (access point) search does not need to be carried out by the terminal so as to achieve the effect on saving electricity.
Description
Technical field
The present invention relates to WLAN (wireless local area network) (WLAN, Wireless Local Access Network) access technology, relate in particular to a kind of access network information notice, cut-in method and device of position-based information.
Background technology
At present, along with WLAN (wireless local area network) (WLAN, Wireless Local Access Network) development of technology and the raising of popularity rate, a lot of WLAN focuses have been disposed, but in actual applications, these WLAN focuses are not effectively utilized.Its main cause is terminal open wireless fidelity (Wi-Fi, Wireless Fidelity) compares consume electric power after the function, especially work as terminal and do not have suitable access point (AP, Access Point) in the time of can supplying access, can constantly carry out AP scanning after opening the Wi-Fi function, cause the meaningless energy consumption of terminal.Therefore in most of the cases the user can select the Wi-Fi function of closing a terminal, to such an extent as under the scene of having disposed operator's focus, terminal is still used the network with the WLAN isomery, carries out the connection of data service such as cellular network.Can serve inconvenience and loss for the user is with like this, have the advantages such as two-forty, low charge because compare cellular network WLAN, and can provide load bridging for cellular network, these all are to experience closely-related with the user.Therefore need to consider how under the network coverage scene of WLAN and heterogeneous network coexistence, to open the Wi-Fi function of terminal, and reduce power consumption of terminal.
Terminal access the Internet under the existing mechanism, synchronization can only use a kind of among cellular network and the WLAN, and these two kinds of networks are relatively independent, and when the data access demand was arranged, the user can preferentially use WLAN to access usually.Need the manually opened Wi-Fi function of user to scan in the prior art, when having available AP that network insertion is provided, just connect by WLAN and do not use cellular network access.But when using WLAN access the Internet, even signal is very faint, if still can keep connecting, even reality can't be carried out normal transfer of data, terminal still can not switch to cellular network and conduct interviews.
In the prior art, communication equipment with positioning function can obtain location-based service (LBS by location technology, Location Based Service), here location-based service specifically the radio communication network by mobile operator (such as global system for mobile communications (GSM, Global System for MobileCommunication) net, code division multiple access (CDMA, Code Division Multiple Access) net) or outside locate mode (such as global positioning system (GPS, Global Positioning System)) obtain the positional information (geographical coordinate or geodetic coordinates) of mobile phone users, at GIS-Geographic Information System (GIS, Geographic Information System) under the support of platform, provides a kind of value-added service of respective service for the user.Above-mentioned location technology comprises cell ID (Cell-ID), observes arrival time difference (OTDOA, Observed Time Difference of Arrival) location technology and agps system (A-GPS) A-GPS location technology.Wherein the Cell-ID technology acuracy is minimum, and the A-GPS precision is the highest, but A-GPS needs the terminal auxiliary network to support that GPS positions terminal.Can come which kind of location technology of choice for use according to different needs and precision in actual applications.
In the prior art, owing to judging whether to open or closing the Wi-Fi function and open and close Wi-Fi function all is that the user decides in its sole discretion and operates, can not select suitable network to access according to the actual conditions of network, this all is disadvantageous for application program and user's experience, simultaneously may cause some unnecessary operations, cause the power consumption of portable terminal serious.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of access network information Notification Method and device, wireless local area network access method and device of position-based information, can provide near it WLAN information for terminal according to the positional information of terminal, terminal can be opened according to the accurately WLAN information that network side provides the Wi-Fi function of self, in time accesses corresponding WLAN.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of access network information Notification Method of position-based information comprises:
Network side by with the positional information of the Network Capture terminal of WLAN isomery, and determine near the described terminal WLAN according to the positional information of described terminal, and notify described terminal with the information of described WLAN.
Preferably, described information with described WLAN is notified described terminal, comprising:
Described network side is crossed the described terminal of network proactive notification with the WLAN isomery with near the WLAN information exchange the described terminal;
Perhaps, after there is the Event triggered of visited WLAN in described terminal, send the request of obtaining WLAN information to described network side, described network side is by notifying described terminal with the network of WLAN isomery with near the WLAN information the described terminal.
Preferably, described network side is crossed the described terminal of network proactive notification with the WLAN isomery with the information exchange of described WLAN, comprising:
Behind the capability negotiation that described terminal and described network side position, described network side is crossed the described terminal of network proactive notification with the WLAN isomery with near the WLAN information exchange the described terminal;
Perhaps, when setting cycle arrives, described network side by with the network of WLAN isomery with near the described terminal of WLAN information proactive notification the described terminal.
Preferably, described method also comprises:
The positioning function of described starting terminal self is obtained the positional information of self, and with current location information by notifying described network side with the network of WLAN isomery;
Perhaps, described network side obtains the positional information of described terminal by with the network of WLAN isomery described terminal initiatively being initiated the location.
Preferably, described WLAN information comprise following information one of at least:
WLAN can be with/unavailable indication information, HESSID, SSID, BSSID, BSS load and authentication mode.
A kind of wireless local area network access method comprises:
Terminal determines whether open wireless fidelity Wi-Fi function according to described WLAN information and described terminal strategy after receiving the WLAN (wireless local area network) WLAN information of network side transmission by the network with the WLAN isomery.
Preferably, described terminal receives the WLAN (wireless local area network) WLAN information that network side sends by the network with the WLAN isomery, comprising:
Described terminal is by sending the request of obtaining near the WLAN information described terminal with the network of WLAN isomery to described network side, and receives the WLAN information that described network side sends;
Perhaps, described terminal receives the WLAN information that described network side initiatively sends by the network with WLAN (wireless local area network) WLAN isomery.
Preferably, described method also comprises:
After described terminal is opened Wi-Fi, select optimum wireless access point AP to carry out the WLAN access according at least one of following information:
The COS that whether signal strength signal intensity, AP load, AP be free, AP can provide.
A kind of access network information notifying device of position-based information comprises acquiring unit, determining unit and notification unit, wherein:
Acquiring unit, be used for by with the positional information of the Network Capture terminal of WLAN isomery;
Determining unit is used for determining near the described terminal WLAN according to the positional information of described terminal;
Notification unit is used for by notifying described terminal with the network of WLAN isomery with the information of described WLAN.
Preferably, described device also comprises:
Receiving element is used for receiving the request of obtaining WLAN information that described terminal sends by the network with the WLAN isomery, triggers described notification unit by notifying described terminal with the network of WLAN isomery with near the WLAN information the described terminal.
Preferably, described notification unit also is used for, behind the capability negotiation that positions with described terminal, by with the network of WLAN isomery with near the described terminal of WLAN information proactive notification the described terminal;
Perhaps, when setting cycle arrives, by with the network of WLAN isomery with near the described terminal of WLAN information proactive notification the described terminal.
A kind of Wireless LAN access device comprises receiving element and determining unit, wherein:
Receiving element is used for receiving the WLAN information that network side sends by the network with the WLAN isomery;
Determining unit is used for determining whether open wireless fidelity Wi-Fi function according to the strategy of described WLAN information and described device self.
Preferably, described device also comprises:
Transmitting element is used for by sending the request of obtaining near the WLAN information described device self to described network side with the network of WLAN isomery; Described receiving element receives the WLAN information that described network side sends by the network with the WLAN isomery;
Perhaps, described receiving element receives the WLAN information that described network side initiatively sends by the network with the WLAN isomery.
Preferably, described device also comprises:
Access unit is used for after described device is opened Wi-Fi, selects optimum wireless access point AP to carry out the WLAN access according at least one of following information:
The COS that whether signal strength signal intensity, AP load, AP be free, AP can provide.
Among the present invention, network side by with the positional information of the Network Capture terminal of WLAN isomery, and determine near the terminal WLAN according to the positional information of terminal, and with the information notification terminal of WLAN.Terminal determines whether to open the Wi-Fi function according to WLAN information and terminal strategy after receiving the WLAN information of network side transmission by the network with the WLAN isomery.And after opening Wi-Fi, select optimum AP to carry out the WLAN access.Among the present invention, terminal can be opened the Wi-Fi function of self according to the accurately WLAN information that network side provides, and in time accesses among the corresponding WLAN, and terminal needn't be carried out meaningless AP search again, thereby reaches the effect of power saving.
Description of drawings
Fig. 1 is the flow chart of access network information Notification Method of the position-based information of the embodiment of the invention;
Fig. 2 is the flow chart of the wireless local area network access method of the embodiment of the invention;
Fig. 3 is the composition structural representation of access network information notifying device of the position-based information of the embodiment of the invention;
Fig. 4 is the composition structural representation of the Wireless LAN access device of the embodiment of the invention.
Embodiment
For making purpose of the present invention, technical scheme and advantage are clearer, and by the following examples and with reference to accompanying drawing, the present invention is described in more detail.
Fig. 1 is the flow chart of access network information Notification Method of the position-based information of the embodiment of the invention, and as shown in Figure 1, the access network information Notification Method of the position-based information of the embodiment of the invention may further comprise the steps:
Among the present invention, comprise cellular communications networks with the network of WLAN isomery, for example can be GSM, TD SDMA (TD-CDMA, Time Division-Synchronous Code DivisionMultiple Access) network, Long Term Evolution (LTE, Long Term Evolution) System Dependent communication network etc., certainly, also can be other networks, such as satellite communication networks such as GSP etc.
Concrete, can be according to the more specific location information of terminal, inquire about this terminal surrounding for example 50m and the WLAN relevant information under these AP notified to terminal with interior AP.Here, the positional information of terminal can be coordinate information etc.
Concrete, network side is with near the active of the WLAN information terminal notification terminal; For example, can set the cycle of proactive notification WLAN information, when setting cycle arrives, namely initiatively send near this terminal WLAN information to terminal.Perhaps, behind the capability negotiation that terminal and network side position, network side is with near this terminal of WLAN information proactive notification this terminal.Concrete, can be according to the more specific location information of terminal, inquire about this terminal surrounding for example 50m the WLAN relevant information under these AP can be notified to terminal with interior AP.Here, the positional information of terminal can be coordinate information etc.
Perhaps, after there is the Event triggered of visited WLAN in terminal, send the request of obtaining WLAN information to network side, network side is notified described terminal with near the WLAN information the terminal.
Among the present invention, the positional information of terminal can be determined by terminal self, also can be determined by network side.For example, have the positioning function of the starting terminal self of positioning function, obtain the positional information of self, and with current location information informing network side.The positioning function here comprises the functions such as GPS location, A-GPS location, OTDOA location.
Perhaps, network side is initiatively initiated the location to described terminal, obtains the positional information of described terminal.For example, can send the angle of wireless signal, Serving cell under the terminal and the parameters such as transmission time of wireless signal to network side by terminal and determine terminal apart from the distance of network side, thereby determine the positional information etc. of terminal.
Among the present invention, network side can refer to the base station of cellular communications networks.Such as base station in the gsm system etc.
Above-mentioned WLAN information comprise following information one of at least:
WLAN can be with/unavailable indication information, set sign (HESSID), Service Area Identifier (SSID evenly activate business, Service Set Identifier), basic service set identification (BSSID, Basic Service SetIdentifier), Basic Service Set (BSS, Basic Service Set) load and authentication mode.
Fig. 2 is the flow chart of the wireless local area network access method of the embodiment of the invention, and as shown in Figure 2, the wireless local area network access method of the embodiment of the invention may further comprise the steps:
Among the present invention, because terminal not yet is connected by WLAN with network side, therefore, terminal need to receive the relevant information that network side sends by the network with the WLAN isomery.
Wireless local area network access method of the present invention is based on the access network information Notification Method of aforesaid position-based information and realizes, therefore, concrete receive mode comprises terminal by sending the request of obtaining near WLAN information self to network side with the network of WLAN isomery, and receives the WLAN information that network side sends; Perhaps, terminal receives the WLAN information that network side initiatively sends by the network with the WLAN isomery.For example network side is pressed the WLAN information that setting cycle sends, and perhaps network side is after the request of obtaining WLAN information that receives the terminal transmission, to the relevant information of the WLAN terminal transmitting terminal near.
Among the present invention, terminal strategy has been included in the WLAN access situation and has namely opened the Wi-Fi function, or the access signal strength signal intensity of cellular communication system is opened the Wi-Fi function when being lower than setting threshold.
After terminal is opened Wi-Fi, select optimum wireless access point AP to carry out the WLAN access according at least one of following information:
The COS that whether signal strength signal intensity, AP load, AP be free, AP can provide.
Below by concrete example, further illustrate the essence of technical solution of the present invention.In following examples of the present invention, network side and all describe as an example of cellular communications networks example with the network of WLAN isomery it will be appreciated by those skilled in the art that this does not mean that is restriction to technical solution of the present invention.
Embodiment one
In the situation that terminal is not accessed the Internet Event triggered, can between base station and terminal, position capability negotiation, if both sides support positioning function, the base station can initiatively be the WLAN information of this terminal surrounding of terminal positioning, and these information are offered terminal, then decide needs to use any net to access by terminal according to subscriber policy.Concrete operations are that a simple frame exchange is carried out in terminal and base station, wherein carry the indication information of stationkeeping ability.If both sides all support this ability, then the base station can be confirmed the information of the available WLAN of terminal surrounding with certain cycle, and the information of these available WLAN is notified to terminal.Terminal is after receiving the information of this available WLAN, according to whether needs use WLAN and subscriber policy to determine whether opening the Wi-Fi function.The wherein said cycle also can consult to determine by terminal and base station both sides.If base station and terminal capability negotiation failure, then the base station can't initiatively be near its WLAN of terminal positioning.
Perhaps, the base station is after carrying out capability negotiation with terminal, and near the WLAN information by the positioning service acquisition terminal also can periodically send this information to terminal, but temporarily store this information.The WLAN information that gets access to when next time is identical with the information of this preservation, then continue to preserve, and still do not send to terminal, until variation has occured in the network information of obtaining afterwards, then need the base station to upgrade this information, delete original information, and the WLAN information that will change sends to terminal.Terminal is after receiving this information, according to whether needs use WLAN and subscriber policy to determine whether opening the Wi-Fi function.
The location technology that adopts in this example comprises Cell-ID location technology, A-GPS location technology etc., and wherein, Cell-ID location technology precision is minimum, and A-GPS location technology precision is the highest, and A-GPS needs the terminal auxiliary network to support that GPS positions terminal.Can come which kind of location technology of choice for use according to different needs and precision in actual applications.
Embodiment two
When the terminal use has the access of needs the Internet, there are two kinds of approach available.Comprising accessing the Internet by cellular network, also can access the Internet by WLAN, under the simultaneously available prerequisite of two kinds of networks, user more preference uses the Wi-Fi function to conduct interviews by WLAN, because WLAN has certain advantage, lower such as charging, speed is more high.
When terminal needs to use WLAN access the Internet first, need the manually opened Wi-Fi function of user, and before unlatching, the user does not know whether available WLAN, only after finishing scan operation, unlatching Wi-Fi could determine.
Therefore, when terminal have the access the Internet Event triggered the time, at first send the request of obtaining WLAN information to the base station by terminal, the request base station provides near the service of WLAN information self for it, the base station provides WLAN information to terminal, if when finding in the information that terminal is received near the terminal an available AP only to be arranged, open the Wi-Fi function.The locating information that terminal provides according to the base station scans this AP, when the signal strength signal intensity that detects this AP is higher than default thresholding, access, when the signal strength signal intensity that detects this AP does not reach thresholding, then abandon access, close the Wi-Fi function, and still use cellular network to carry out access.
Embodiment three
Terminal is after the WLAN information that obtains the base station transmission, and discovery can be used WLAN access the Internet, and terminal is just opened the Wi-Fi function, and may scan not only available AP this moment.The user may have different demands, if access according to AP of original rules selection, can not guarantee that the AP of selected access can satisfy the customer service demand.The AP that for example association is crossed before comprising in user's the network preferred list, but so when finding this AP time spent, may will preferentially carry out with it the association access, and this moment, this AP might not be that signal strength signal intensity is best, so just need the terminal use manually to check scanning result, and select the best AP of signal strength signal intensity to access.
According to above-mentioned situation, terminal finds to exist a plurality of available AP when the WLAN information that the base station that receives sends, then at first can open the Wi-Fi function, and by terminal according to the tabulation of the available AP in the WLAN information, contrast the signal strength signal intensity of each AP place network, select the highest AP of signal strength signal intensity that is higher than threshold value to access.
When terminal need to be used Wi-Fi function access the Internet, after capability negotiation is carried out by the Event triggered of terminal access network or with terminal in the base station, when arriving a plurality of available AP for terminal positioning, send the WLAN information that obtains to terminal, available AP tabulation in the information that terminal provides according to the base station, contrast the load of each AP place BSS, select the less AP of load to access.
When terminal need to be used Wi-Fi function access the Internet, after capability negotiation is carried out by the Event triggered request of terminal access the Internet or with terminal in the base station, offer when comprising a plurality of available AP in the WLAN information of terminal, after terminal is opened the Wi-Fi function, the COS that also can provide with reference to AP, according to subscriber policy and demand, select suitable AP to access.
When the base station is terminal positioning when arriving a more than available AP, terminal also can be according to user's request, and preferential the selection provides the AP of free service to access.
Embodiment four
Terminal is after receiving the WLAN information that the base station obtains by the location, can carry out scan operation after opening the Wi-Fi function, but may find to scan less than any one available AP, this moment, terminal had no idea to access by WLAN, used cellular network to carry out access with regard to needs so.But when opening Wi-Fi and cellular network access function simultaneously, according to subscriber policy, the preferential choose WLAN of meeting, even there is not available WLAN this moment, but this moment, terminal can't be closed the Wi-Fi function voluntarily, will continue to keep constantly network being scanned, can cause a large amount of wastings of resources and power consumption like this.
Therefore when not finding to cover the AP of terminal near terminal afterwards in the location, the base station can not have available AP yet near terminal is notified it, and this can indicate with/unavailable sign by the WLAN in the WLAN information.After terminal was received the information that the base station sends, this was masked as WLAN when unavailable to check discovery, and judging does not have available WLAN this moment, closes immediately the Wi-Fi function.
Embodiment five
The base station obtains near the terminal by the location and sends to terminal after the WLAN information, terminal finds not comprise in this network information concrete available AP information (such as the SSID of AP), but whether available indication of WLAN, perhaps available indication and a network information (such as only having hot information, this focus may comprise a plurality of available AP).
Terminal is after receiving the above-mentioned network information, at first can determine whether available WLAN with/unavailable indication information according to WLAN, if there is not available WLAN, terminal is then closed the Wi-Fi function, waits for next time the Internet Event triggered or the network lastest imformation of base station transmission.If can showing with/unavailable indication, WLAN has available WLAN, then terminal is opened the Wi-Fi function, and scan according to the information in the available network, signal strength signal intensity, the load of the available AP that obtains according to scanning, provide the access of the Information Selection optimums such as COS, Freight Basis.
Fig. 3 is the composition structural representation of access network information notifying device of the position-based information of the embodiment of the invention, shown in Figure 3, the access network information notifying device of the position-based information of the embodiment of the invention comprises acquiring unit 30, determining unit 31 and notification unit 32, wherein:
Acquiring unit 30, be used for by with the positional information of the Network Capture terminal of WLAN (wireless local area network) WLAN isomery;
Determining unit 31 is used for determining near the described terminal WLAN according to the positional information of described terminal;
Notification unit 32 is used for by notifying described terminal with the network of WLAN isomery with the information of described WLAN.
On the basis of the access network information notifying device of position-based information shown in Figure 3, the access network information notifying device of the position-based information of the embodiment of the invention also comprises:
Receiving element (not shown among Fig. 3), be used for receiving the request of obtaining WLAN information that described terminal sends by the network with the WLAN isomery, trigger described notification unit 32 by notifying described terminal with the network of WLAN isomery with near the WLAN information the described terminal.
Above-mentioned notification unit 31 also is used for, behind the capability negotiation that positions with described terminal, by with the network of WLAN isomery with near the described terminal of WLAN information proactive notification the described terminal;
Perhaps, when setting cycle arrives, by with the network of WLAN isomery with near the described terminal of WLAN information proactive notification the described terminal.
WLAN information comprise following information one of at least: WLAN can be with/unavailable indication information, evenly activate business set sign HESSID, Service Area Identifier SSID, basic service set identification BSSID, Basic Service Set BSS load and authentication mode.
The practical function that it will be appreciated by those skilled in the art that the each processing unit in the access network information notifying device of the position-based information shown in Fig. 3 can be with reference to the associated description of the access network information Notification Method of aforementioned position-based information and embodiment and is understood.The function that it will be appreciated by those skilled in the art that each processing unit in the access network information notifying device of position-based information shown in Figure 3 can realize by the program that runs on the processor, also can realize by concrete logical circuit.
The access network information notifying device of position-based information of the present invention is applicable to the network side network element especially in the base station.
Fig. 4 is the composition structural representation of the Wireless LAN access device of the embodiment of the invention, and as shown in Figure 4, the Wireless LAN access device of the embodiment of the invention comprises receiving element 40 and determining unit 41, wherein:
Receiving element 40 is used for receiving the WLAN information that network side sends by the network with WLAN (wireless local area network) WLAN isomery;
Determining unit 41 is used for determining whether open wireless fidelity Wi-Fi function according to the strategy of described WLAN information and described device self.
On the basis of Wireless LAN access device shown in Figure 4, the Wireless LAN access device of the embodiment of the invention also comprises:
Transmitting element (not shown among Fig. 4) is used for by sending the request of obtaining near the WLAN information described device self to described network side with the network of WLAN isomery; Above-mentioned receiving element 40 receives the WLAN information that described network side sends by the network with the WLAN isomery;
Perhaps, above-mentioned receiving element 40 receives the WLAN information that described network side initiatively sends by the network with the WLAN isomery.
On the basis of Wireless LAN access device shown in Figure 4, the Wireless LAN access device of the embodiment of the invention also comprises:
Access unit (not shown among Fig. 4), be used for after described device is opened Wi-Fi, select optimum wireless access point AP to carry out the WLAN access according at least one of following information: signal strength signal intensity, AP load, the COS that whether AP is free, AP can provide.
The practical function that it will be appreciated by those skilled in the art that the each processing unit in the Wireless LAN access device shown in Fig. 4 can be with reference to the associated description of aforementioned wireless local area network access method and embodiment and is understood.The function that it will be appreciated by those skilled in the art that each processing unit in the Wireless LAN access device shown in Figure 4 can realize by the program that runs on the processor, also can realize by concrete logical circuit.
Wireless LAN access device of the present invention is applicable in the terminal of simultaneously supporting cellular communication and WLAN access.
Obviously, those skilled in the art should be understood that, above-mentioned each processing unit of the present invention or each step can realize with general calculation element, it can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation elements form, alternatively, it can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and be carried out by calculation element, perhaps they are made into respectively each integrated circuit modules, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is preferred embodiment of the present invention only, is not for limiting protection scope of the present invention.
Claims (14)
1. the access network information Notification Method of a position-based information is characterized in that, described method comprises:
Network side by with the positional information of the Network Capture terminal of WLAN (wireless local area network) WLAN isomery, and determine near the described terminal WLAN according to the positional information of described terminal, and notify described terminal with the information of described WLAN.
2. method according to claim 1 is characterized in that, described information with described WLAN is notified described terminal, comprising:
Described network side is crossed the described terminal of network proactive notification with the WLAN isomery with near the WLAN information exchange the described terminal;
Perhaps, after there is the Event triggered of visited WLAN in described terminal, send the request of obtaining WLAN information to described network side, described network side is by notifying described terminal with the network of WLAN isomery with near the WLAN information the described terminal.
3. method according to claim 2 is characterized in that, described network side is crossed the described terminal of network proactive notification with the WLAN isomery with the information exchange of described WLAN, comprising:
Behind the capability negotiation that described terminal and described network side position, described network side is crossed the described terminal of network proactive notification with the WLAN isomery with near the WLAN information exchange the described terminal;
Perhaps, when setting cycle arrives, described network side by with the network of WLAN isomery with near the described terminal of WLAN information proactive notification the described terminal.
4. method according to claim 1 is characterized in that, described method also comprises:
The positioning function of described starting terminal self is obtained the positional information of self, and with current location information by notifying described network side with the network of WLAN isomery;
Perhaps, described network side obtains the positional information of described terminal by with the network of WLAN isomery described terminal initiatively being initiated the location.
5. according to claim 1 to 4 each described methods, it is characterized in that, described WLAN information comprise following information one of at least:
WLAN can be with/unavailable indication information, evenly activate business set sign HESSID, Service Area Identifier SSID, basic service set identification BSSID, Basic Service Set BSS load and authentication mode.
6. a wireless local area network access method is characterized in that, described method comprises:
Terminal determines whether open wireless fidelity Wi-Fi function according to described WLAN information and described terminal strategy after receiving the WLAN (wireless local area network) WLAN information of network side transmission by the network with WLAN (wireless local area network) WLAN isomery.
7. method according to claim 6 is characterized in that, described terminal receives the WLAN (wireless local area network) WLAN information that network side sends by the network with the WLAN isomery, comprising:
Described terminal is by sending the request of obtaining near the WLAN information described terminal with the network of WLAN isomery to described network side, and receives the WLAN information that described network side sends;
Perhaps, described terminal receives the WLAN information that described network side initiatively sends by the network with WLAN (wireless local area network) WLAN isomery.
8. method according to claim 6 is characterized in that, described method also comprises:
After described terminal is opened Wi-Fi, select optimum wireless access point AP to carry out the WLAN access according at least one of following information:
The COS that whether signal strength signal intensity, AP load, AP be free, AP can provide.
9. the access network information notifying device of a position-based information is characterized in that, described device comprises acquiring unit, determining unit and notification unit, wherein:
Acquiring unit, be used for by with the positional information of the Network Capture terminal of WLAN (wireless local area network) WLAN isomery;
Determining unit is used for determining near the described terminal WLAN according to the positional information of described terminal;
Notification unit is used for by notifying described terminal with the network of WLAN isomery with the information of described WLAN.
10. device according to claim 9 is characterized in that, described device also comprises:
Receiving element is used for receiving the request of obtaining WLAN information that described terminal sends by the network with the WLAN isomery, triggers described notification unit by notifying described terminal with the network of WLAN isomery with near the WLAN information the described terminal.
11. device according to claim 9 is characterized in that, described notification unit also is used for, behind the capability negotiation that positions with described terminal, by with the network of WLAN isomery with near the described terminal of WLAN information proactive notification the described terminal;
Perhaps, when setting cycle arrives, by with the network of WLAN isomery with near the described terminal of WLAN information proactive notification the described terminal.
12. a Wireless LAN access device is characterized in that described device comprises receiving element and determining unit, wherein:
Receiving element is used for receiving the WLAN information that network side sends by the network with WLAN (wireless local area network) WLAN isomery;
Determining unit is used for determining whether open wireless fidelity Wi-Fi function according to the strategy of described WLAN information and described device self.
13. device according to claim 12 is characterized in that, described device also comprises:
Transmitting element is used for by sending the request of obtaining near the WLAN information described device self to described network side with the network of WLAN isomery; Described receiving element receives the WLAN information that described network side sends by the network with the WLAN isomery;
Perhaps, described receiving element receives the WLAN information that described network side initiatively sends by the network with the WLAN isomery.
14. device according to claim 12 is characterized in that, described device also comprises:
Access unit is used for after described device is opened Wi-Fi, selects optimum wireless access point AP to carry out the WLAN access according at least one of following information:
The COS that whether signal strength signal intensity, AP load, AP be free, AP can provide.
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