CN103841625A - WLAN access method and WLAN access device - Google Patents
WLAN access method and WLAN access device Download PDFInfo
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- CN103841625A CN103841625A CN201210477297.1A CN201210477297A CN103841625A CN 103841625 A CN103841625 A CN 103841625A CN 201210477297 A CN201210477297 A CN 201210477297A CN 103841625 A CN103841625 A CN 103841625A
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Abstract
The invention discloses a WLAN access method and a WLAN access device in order to solve the problem in the prior art that a high-priority client cannot be accessed into a WLAN when the number of clients accessed to APs in the WLAN reaches the upper limit. The method comprises the following steps: a request access message sent by a first client is received, identification information of all APs in the search scope of the first client is acquired, and the client level corresponding to the first client is acquired according to information of the first client; the levels of all clients accessed to any AP are respectively acquired according to pre-configured client level information and the identification information of the APs; and the levels of all the clients accessed to any AP are sequentially detected, and when that at least one other client of which the level is lower than that of the first client exists among all the clients accessed to any AP is judged, a second client is chosen from the at least one other client, and the first client is accessed to the AP corresponding to the second client under instruction.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of WLAN access method and device.
Background technology
At present, along with as the develop rapidly of the mobile terminal such as smart mobile phone, panel computer, utilizing wireless network to carry out data service has become one of important way of transmission information.In wireless network, WLAN(Wireless Local Area Network; WLAN (wireless local area network)), cost low, construction speed fast advantage high with mobility, carry increasing wireless data traffic.
In WLAN, each client of application wlan network is shared bandwidth and is linked into AP(Access Point; Access point) on.In order to prevent that AP from above too much affecting the normal use of all clients that are linked into this AP because of number of clients, and prevent that AP load is excessive and the problem that causes equipment to crash, conventionally the method that adopts restriction to be linked into the client terminal quantity on each AP is strengthened the management to wlan network, and default each AP allows the threshold value of access client.When the client access quantity on an AP reaches above-mentioned threshold value, can refuse the access request of all new clients, until exist at least one client that has accessed above-mentioned AP to leave, could on this AP, access new client.
In the client being connected in WLAN, may there is the client that takies access planned number and do not carry out data service, for example, automatically access the client of WLAN; Or, there is the client that only takies less flow, for example, only use immediate communication tool to carry out the client of data service.Although above-mentioned client is not carried out data service, or only carries out low volume data business, but still take the permission access planned number of AP.When the client terminal quantity of an AP of access is while reaching its threshold value, for the client in the urgent need to using network, or carry out the client of the large flow business such as transfer files, will reach its threshold value and be denied access because of the client terminal quantity of the above-mentioned AP of access.
In order addressing the above problem, in prior art, conventionally to adopt client divided to the problem that solves WLAN access:
Client is divided into Authentication Client and unverified client, intercepts the message identifying between client and certificate server in wireless device side, know whether the client being connected on AP is by effective client of certification.When Authentication Client request accesses certain AP, and the client terminal quantity that accesses this AP is while having reached its threshold value, forces unverified client to be left, and makes Authentication Client access above-mentioned AP.Adopt technique scheme, only according to authentication mechanism, client is divided, when existing Authentication Client not use Internet resources to carry out data service, and the access client terminal quantity of above-mentioned AP has been while having reached its threshold value, and the client of other higher priority still can be denied access above-mentioned AP.
Or, control the client that accesses AP according to client first level.The client terminal quantity sum of the client terminal quantity of statistics access AP and the above-mentioned AP of request access, when this quantity sum exceedes the client terminal quantity threshold value that allows access AP, and when the client of the above-mentioned AP of request access is high priority client, force low priority client to be left, make high priority client access above-mentioned AP.Adopt technique scheme, when the client terminal quantity of access AP has exceeded the upper limit, client cannot obtain IP address, the class information of this client cannot be sent to AP, will cause high priority client cannot access WLAN.
In sum, all can obtain based on client the IP address that WLAN connecting system distributes to the access of WLAN at present, the access request message of client can be sent to wlan network, when having exceeded the upper of this AP, the client terminal quantity on access AP prescribes a time limit, client cannot obtain IP address, the class information of this client cannot be sent to wlan network, will cause high priority client cannot access WLAN.
Summary of the invention
The embodiment of the present invention provides a kind of WLAN access method and device, and in order to solve arriving above in limited time when accessing the client terminal quantity of AP in WLAN of existing in prior art, high priority client cannot access the problem of WLAN.
The concrete technical scheme that the embodiment of the present invention provides is as follows:
A kind of WLAN access method, comprising:
Receive the request access message that the first client sends, obtain the network information and the first client-side information that in described request access message, carry;
According to the described network information, obtain the identification information of all access point AP in described the first client hunting zone, and according to described the first client-side information, obtain client level corresponding to described the first client;
Determine respectively all client level of the AP that the identification information of any one AP of obtaining of access is corresponding;
Detect successively each client level that is linked into any one AP, and have rank lower than at least one other client of described the first client in all clients of judging any AP of access time, in described at least one other client, choose the second client, instruction disconnects being connected between described the second client and corresponding A P, and described the first client is accessed to AP corresponding to described the second client.
A kind of WLAN access device, comprising:
The first acquiring unit, the request access message sending for receiving the first client, obtains the network information and the first client-side information that in described request access message, carry;
Second acquisition unit, for according to the described network information, obtains the identification information of all access point AP in described the first client hunting zone, and according to described the first client-side information, obtains client level corresponding to described the first client;
The 3rd acquiring unit, for all client level of AP corresponding to the identification information of any one AP that definite access is obtained respectively;
Indicating member, for detecting successively each client level that is linked into any one AP, and have rank lower than at least one other client of described the first client in all clients of judging any AP of access time, in described at least one other client, choose the second client, instruction disconnects being connected between described the second client and corresponding A P, and described the first client is accessed to AP corresponding to described the second client.
In the embodiment of the present invention, receive the request access message that the first client sends, obtain the network information and the first client-side information that in this request access message, carry; Obtain the identification information of all AP in the above-mentioned network information, and client level in the first client-side information; Obtain client level corresponding to client on above-mentioned any one AP of access; Detect and be linked into each client level on any one AP successively, in the time having client level lower than the client of the first client level, force above-mentioned client to disconnect and being connected of its access AP, and indicate the first client to access above-mentioned AP.Adopt technical solution of the present invention, the request access message that can send according to the first client is obtained the first client level information, can seize the resource of low priority client according to the first client level information, in the situation that the first client cannot obtain IP address, ensure high priority client priority access WLAN.
Brief description of the drawings
Fig. 1 is the detail flowchart that accesses WLAN in the embodiment of the present invention;
Fig. 2 is the information interaction schematic diagram accessing in the embodiment of the present invention in WLAN process;
Fig. 3 is the detail flowchart that accesses WLAN in the embodiment of the present invention under concrete application scenarios;
Fig. 4 is WLAN access apparatus structure schematic diagram one in the embodiment of the present invention;
Fig. 5 is WLAN access apparatus structure schematic diagram two in the embodiment of the present invention.
Embodiment
Arrive upper prescribing a time limit in order to solve the client terminal quantity when accessing in WLAN on AP existing in prior art, high priority client cannot access the problem of WLAN.In the embodiment of the present invention, receive the request access message that the first client sends, obtain the network information and the first client-side information that in this request access message, carry; Obtain the identification information of all AP in the above-mentioned network information, and client level in the first client-side information; Obtain client level corresponding to client on above-mentioned each AP of access; Detect and be linked into each client level on each AP successively, in the time having client level lower than the client of the first client level, force above-mentioned client to disconnect and being connected of its access AP, and indicate the first client to access above-mentioned AP.Adopt technical solution of the present invention, the request access message that can send according to the first client is obtained the first client level information, can seize the resource of low priority client according to the first client level information, in the situation that the first client cannot obtain IP address, ensure high priority client priority access WLAN.
Below in conjunction with accompanying drawing, the preferred embodiment of the present invention is elaborated.
Based on technique scheme, to consult shown in Fig. 1, in the embodiment of the present invention, the detailed process of access wlan network is as follows:
Step 100: receive the request access message that the first client sends, obtain the network information and the first client-side information that carry in this request access message.
In the embodiment of the present invention, the first client sends message request access WLAN to network side, when all AP in the first client hunting zone all reach its access transformation, when i.e. the first client-requested access WLAN failure, the first client sends request access message by mobile communications network to WLAN access device, this request access WLAN.In above-mentioned request access message, carry the network information and first client-side information of the first client.
In the embodiment of the present invention, store the identification information of WLAN access device in can the first client, in the time of the first client-requested access WLAN failure, can obtain the network information and first client-side information of the first client.The first client by mobile communications network, sends request access message to WLAN access device according to the identification information of WLAN access device.Preferably, can adopt short message form to send request access message to WLAN access device.Utilize mobile communications network to send SMS message to WLAN access device, need not be that the first client distributing IP address can make WLAN access device obtain the network information and first client-side information of the first client, avoided in the time that all AP in the first client hunting zone all reach its access transformation, the first client cannot be obtained IP address and be asked access message to be sent to the problem of WLAN access device.And, the mode of employing mobile communications network and WLAN multi-network cooperative, little to WLAN transformation, implementation procedure is convenient and swift.
Above-mentioned mobile communications network can be 2G network, can be also 3G network or 4G network; Request access message can send by circuit domain, and wherein, circuit domain is mainly used in transmitting speech business, at present note with speech business equally by circuit domain transmission; Also can send by packet domain, wherein, packet domain is mainly used in data services, and note also can be by packet domain transmission.The network element of foregoing circuit territory and packet domain is different, and signaling is also different.
Step 110: according to the above-mentioned network information, obtain the identification information of all AP in the first client hunting zone, and according to the first client-side information, obtain client level corresponding to the first client.
In the embodiment of the present invention, the network information of the first client comprises following any one and combination thereof: at least one SSID, all AP identification information corresponding to AP in the first client hunting zone, the level value that each AP is corresponding.Special, in the time that the first client cannot be obtained the above-mentioned network information, be encapsulated in the positional information in the base station information of the first client present position or other navigation systems as the network information of the first client in request access message and be sent to WLAN access device, resolve all AP and the relevant information thereof in the first client hunting zone by WLAN access device according to above-mentioned base station information or positional information.
In communication system, the level value of AP characterizes the signal power of this AP with respect to the first client, and wherein, the level value of AP is higher, represents that this AP is stronger with respect to the signal of the first client.
In the embodiment of the present invention, the first client-side information comprise the first client identify label (as phone number, the MAC(Medium Access Control of client; Media access control) address etc.), the information such as the client level that the first client is corresponding.Wherein, the WLAN set meal type that client level can be selected according to client, the information such as accumulative total use traffic judge.For example, client level corresponding to the more senior client of WLAN set meal type of client is higher; Client accumulative total use traffic is larger, and client level is higher.According to the class information of client to all client divided rank, thereby ensured that large flow client first access WLAN carries out data service.
Step 120: all client level of determining respectively the AP that the identification information of any one AP of obtaining of access is corresponding.
In the embodiment of the present invention, WLAN access device obtains all AP in the first client hunting zone, and obtains the identify label of all clients of each AP of access, obtains client level information corresponding to each client according to the identify label of client.WLAN access device can be sent to operator by the identify label of above-mentioned client, inquires about client level information corresponding to each client be sent to WLAN access device by operator, WLAN access device also can be preserved in this locality a client level table, in the time that a new client accesses WLAN, judge the client level that this client is corresponding, and client level corresponding this client is saved under the AP identification information of this client access, upgrade above-mentioned client level table, in the time that client disconnects with being connected of WLAN, delete client corresponding in above-mentioned client level table, and upgrade the local client level table of preserving according to the client level of operator's regular update, obtain client level corresponding to this client by inquire about above-mentioned client level table according to the identify label of client.
Step 130: detect successively each client level that is linked into any one AP, and have rank lower than at least one other client of the first client in all clients of judging any AP of access time, in above-mentioned at least one other client, choose the second client, instruction disconnects being connected between the second client and corresponding A P, and the first client is accessed to AP corresponding to described the second client.
Be specially:
In the embodiment of the present invention, the level value corresponding according to each AP sorts to all AP in the first client hunting zone, according to above-mentioned level value order from high to low, all AP in the first client hunting zone sorted.Preferably, all AP in the first client hunting zone are shown with AP tabular form, this AP list comprises each AP identification information, and level value corresponding to each AP.Above-mentioned AP list is sorted according to level value corresponding to each AP, and the AP of high level is positioned at the front end of AP list.Special, in the time that the first client network information is only carried the positional information in base station information or other navigation systems of 2G/3G/4G network, obtain this base station corresponding all AP and information thereof according to above-mentioned base station information, or obtain this position corresponding all AP and information thereof according to above-mentioned positional information.According to above-mentioned AP and the information thereof obtained, all AP in the first client hunting zone are sorted.
Preferably, in above-mentioned AP list, after all AP in the first client hunting zone are sorted according to level height, by all clients of above-mentioned each AP of access respectively the corresponding information such as client identity mark, client level be saved in AP list.
According to the sequence of above-mentioned all AP, detect successively from high to low according to the level value of AP each client level that is linked into each AP, in the time that all clients of first AP of access are all ineligible, detect all clients of second AP of access, by that analogy.Adopt technique scheme, can ensure that all clients that access the AP that level value is the highest are preferentially detected, thereby guarantee the first client first to be linked on the AP that signal strength signal intensity is the highest.
In the time having rank lower than at least one other client of the first client in each client that the some AP of access detected, record identify label corresponding to above-mentioned at least one other client, and from above-mentioned at least one other client random second client of selecting, or from above-mentioned at least one other client, select client that rank is minimum as the second client, notice WLAN connecting system forces above-mentioned the second client to disconnect and being connected of WLAN, and only allows the first client to access; And sending accessible AP message by mobile communications network to the first client, prompting the first client sends access request message again to WLAN connecting system; When WLAN connecting system receives the WLAN access request message that the first client sends again, be about to the first client and access on AP corresponding to low preferential client.Wherein, above-mentioned WLAN connecting system can be AP, can be also AC(Access Controller; Access controller).
Preferably, there are rank other clients lower than the first client once detect in each client that accesses some AP, stop above-mentioned testing process, and record identification information corresponding to above-mentioned other clients, above-mentioned other clients disconnections of notice WLAN connecting system pressure are connected with WLAN's, only allow the first client to access; And sending accessible AP message by mobile communications network to the first client, prompting the first client sends access request message again to WLAN connecting system; When WLAN connecting system receives the access request message that the first client sends again, be about to the first client and access on AP corresponding to inferior grade client.
Special, when in above-mentioned testing process, some client disconnections are connected with WLAN's, detect while there is idle AP, select idle AP to access.Preferably, preferentially detect in all AP whether have idle AP, in the time there is idle AP, select idle AP to access; In the time not there is not idle AP, detect in each client that is linked into all AP whether have rank other clients lower than the first client.Adopt preferably technical scheme, can force as little as possible inferior grade client to disconnect WLAN and connect, thereby ensure that all clients that are linked into AP normally carry out data service.
When all not existing rank lower than the first client in all clients of the above-mentioned all AP of access, and while not there is not idle AP, sent and cannot access message to the first client by mobile communications network, this cannot access and in message, carry the concrete reason that cannot access WLAN.
Consult shown in Fig. 2, when after the first client-requested access WLAN failure, the information interactive process of the first client and WLAN access device is as follows:
Step 200: the first client end sends request access message by mobile communications network to WLAN access device.
The network information and the first client-side information that WLAN access device sends according to the first client, carry out the judgement of client access, judges whether to exist qualified AP.
Step 210: in the time not there is not qualified AP, send and cannot access message to the first client by mobile communications network.
Step 220: in the time there is qualified AP, notice WLAN connecting system.
Step 230: indicate the first client to send WLAN access request message to WLAN connecting system by mobile communications network.
Step 240: the first client sends WLAN access request message to WLAN connecting system.
Below in conjunction with concrete application scenarios, the concrete detailed process of introducing access WLAN.
Consult shown in Fig. 3, in the first client hunting zone, comprise two AP, be respectively AP1 and AP2, wherein, the level value of AP1 is higher than the level value of AP2, and client level comprises two-stage, is respectively member's rank and common grade, client level corresponding to the first client is member's rank, and the detailed process that accesses WLAN is:
Step 300: after the first client-requested access WLAN failure, send request access message to WLAN access device, WLAN access device obtains the network information and the first client-side information that carry in above-mentioned request access message.
The first client sends message request access WLAN to network side, when all AP in the first client hunting zone all reach its access transformation, when i.e. the first client-requested access WLAN failure, WLAN cannot be the first client distributing IP address, and the first client cannot send WLAN request access message by WLAN.Now, the first client sends request access message by mobile communications network to WLAN access device, this request access WLAN.
Step 310: the network information of carrying in the request access message sending according to the first client, obtain the identification information of all AP in the first client hunting zone, and according to the first client-side information, obtain client level corresponding to the first client.
In the embodiment of the present invention, in the first client hunting zone, comprise AP1 and AP2, client level corresponding to the first client is member's rank.
Step 320: all client level of determining respectively the AP that the identification information of any one AP of obtaining of access is corresponding.
In the embodiment of the present invention, all client level that are linked on AP1 and AP2 are consulted shown in table 1.
Table 1
| AP mark | Client identification | Priority level | MAC Address | IP address |
| AP1 | Client 1 | Member | XX | XX |
| AP1 | Client 2 | Member | XX | XX |
| ...... | ....... | Member | XX | XX |
| AP1 | Client 20 | Common | XX | XX |
| AP2 | Client 1 | Member | XX | XX |
| AP2 | Client 2 | Member | XX | XX |
| AP2 | ...... | ...... | XX | XX |
| AP2 | Client 20 | Common | XX | XX |
Step 330: according to the level value of each AP, all AP in the first client hunting zone are sorted.
In the embodiment of the present invention, obtain the level value of all AP that carry in request access message, wherein, the level value of AP1 is greater than the level value of AP2, while sequence from high to low according to the level value of AP, before AP1 is positioned at AP2.
Step 340: detect each client level that is linked into any one AP, judge whether to exist idle AP, if exist, perform step 350; Otherwise, execution step 360.
Step 350: the first client is linked into above-mentioned idle AP.
Step 360: have rank at least one other client lower than the first client in all clients of any AP of judgement access, if do not exist, perform step 370; Otherwise, execution step 380.
Step 370: send and cannot access message to the first client by mobile communications network.
Above-mentioned cannot access carried the reason that cannot access wlan network in message.
Step 380: choose the second client in above-mentioned at least one other client, instruction disconnects being connected between described the second client and corresponding A P, and the first client is accessed to AP corresponding to described the second client.
In the embodiment of the present invention, the client level of client 20 correspondences under AP1 is common grade, forces client 20 disconnect with the connection of wlan network and indicate the first client to access AP corresponding to above-mentioned client 20.
Consult shown in Fig. 4, in the embodiment of the present invention, WLAN access device comprises the first acquiring unit 40, second acquisition unit 41, the three acquiring units 42 and indicating member 43, wherein,
The first acquiring unit 40, the request access message sending for receiving the first client, obtains the network information and the first client-side information that in this request access message, carry;
The 3rd acquiring unit 42, for all client level of AP corresponding to the identification information of any one AP that definite access is obtained respectively;
Indicating member 43, for detecting successively the rank of each client that is linked into each AP, and have rank lower than at least one other client of the first client in all clients of judging any AP of access time, from above-mentioned at least one other client, select the second client, instruction disconnects being connected between described the second client and corresponding A P, and the first client is accessed to AP corresponding to the second client.
Consult and Figure 5 shows that in the embodiment of the present invention, preferably WLAN access apparatus structure schematic diagram, comprises sending and receiving short messages unit 50, client location identifying unit 51, client level identifying unit 52, client access identifying unit 53, client access performance element 54, wherein
Sending and receiving short messages unit 50, is connected with mobile communications network, the request access message sending for receiving the first client, and send SMS message to the first client, obtain the network information and the first client-side information that in this request access message, carry; This sending and receiving short messages unit 50 is corresponding to the first acquiring unit 40 and the indicating member 43 of Fig. 4 shown device;
Client location identifying unit 51, is connected with network management system, for according to the above-mentioned network information, obtains the identification information of all access point AP in the first client hunting zone; This client location identifying unit 51 is corresponding to the second acquisition unit 41 of Fig. 4 shown device;
Client level identifying unit 52, be connected with operator support system, for according to the first client-side information, obtain client level corresponding to the first client, and, determine respectively all client level of the AP that the identification information of any one AP of obtaining of access is corresponding; This client level identifying unit 52 is corresponding to second acquisition unit 41 and the 3rd acquiring unit 42 of Fig. 4 shown device;
Client access identifying unit 53, for detecting successively the rank of each client that is linked into each AP, and have rank lower than other clients of the first client in all clients of judging any AP of access time, from above-mentioned at least one other client, select the second client, send message to client access performance element 54; This client access identifying unit 53 is corresponding to the indicating member 43 of Fig. 4 shown device;
Client access performance element 54, is connected with WLAN, is used to indicate and disconnects being connected between described the second client and corresponding A P, and the first client is accessed to AP corresponding to the second client; This client access performance element 54 is corresponding to the indicating member 43 of Fig. 4 shown device.
In sum, in the embodiment of the present invention, receive the request access message that the first client sends, obtain the network information and the first client-side information that in this request access message, carry; According to the above-mentioned network information, obtain the identification information of all AP in the first client hunting zone, and according to the first client-side information, obtain client level corresponding to the first client; Determine respectively all client level of the AP that the identification information of any one AP of obtaining of access is corresponding; Detect successively each client level that is linked into each AP, and have rank lower than at least one other client of the first client in all clients of judging any AP of access time, in above-mentioned at least one other client, choose the second client, instruction disconnects being connected between described the second client and corresponding A P, and the first client is accessed to AP corresponding to the second client.Adopt technical solution of the present invention, the request access message that can send according to the first client is obtained the first client level information, can seize the resource of low priority client according to the first client level information, in the situation that cannot obtaining IP address, ensure high priority client priority access WLAN.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware implementation example, completely implement software example or the form in conjunction with the embodiment of software and hardware aspect.And the present invention can adopt the form at one or more upper computer programs of implementing of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) that wherein include computer usable program code.
The present invention is with reference to describing according to flow chart and/or the block diagram of the method for the embodiment of the present invention, equipment (system) and computer program.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, the instruction that makes to carry out by the processor of computer or other programmable data processing device produces the device for realizing the function of specifying at flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, the instruction that makes to be stored in this computer-readable memory produces the manufacture that comprises command device, and this command device is realized the function of specifying in flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make to carry out sequence of operations step to produce computer implemented processing on computer or other programmable devices, thereby the instruction of carrying out is provided for realizing the step of the function of specifying in flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame on computer or other programmable devices.
Although described the preferred embodiments of the present invention, once those skilled in the art obtain the basic creative concept of cicada, can make other change and amendment to these embodiment.So claims are intended to be interpreted as comprising preferred embodiment and fall into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the embodiment of the present invention the embodiment of the present invention.Like this, if these amendments of the embodiment of the present invention and within modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (12)
1. a WLAN (wireless local area network) access method, is characterized in that, comprising:
Receive the request access message that the first client sends, obtain the network information and the first client-side information that in described request access message, carry;
According to the described network information, obtain the identification information of all access point AP in described the first client hunting zone, and according to described the first client-side information, obtain client level corresponding to described the first client;
Determine respectively all client level of the AP that the identification information of any one AP of obtaining of access is corresponding;
Detect successively each client level that is linked into any one AP, and have rank lower than at least one other client of described the first client in all clients of judging any AP of access time, in described at least one other client, choose the second client, instruction disconnects being connected between described the second client and corresponding A P, and described the first client is accessed to AP corresponding to described the second client.
2. the method for claim 1, is characterized in that, receives the request access message that the first client sends, and specifically comprises:
Receive the request access message that the first client sends with short message form by mobile communications network.
3. the method for claim 1, is characterized in that, determines respectively all client level of the AP that the identification information of any one AP of obtaining of access is corresponding, specifically comprises:
According to the identification information of all clients that is linked into described any one AP, send client level query messages to network side, and according to the feedback information of network side, and the identification information of described any one AP, obtain respectively client level corresponding to all clients that is linked into this any one AP; Or,
The identification information of all clients of the AP that the identification information of any one AP obtaining according to access is corresponding, and the identification information of described any one AP, the local client level list of preserving of inquiry, obtains client level corresponding to all clients that is linked into this any one AP; Wherein, described client level list is the list of the corresponding relation of the client level corresponding to the identification information that comprises this any AP, the identification information that can access the client of this any AP, each identification information of preserving in this locality, and client level corresponding to all clients that this client level list sends according to predetermined period according to network side upgraded.
4. the method for claim 1, is characterized in that, detects successively each client level that is linked into each AP, specifically comprises:
According to the identification information of each AP, obtain level value corresponding to each AP in the first client hunting zone of carrying in request access message;
The level value corresponding according to each AP, sorts according to level value from high to low to all AP in the first client hunting zone, detects successively each client level that is linked into each AP according to ranking results.
5. the method as described in claim 1-4 any one, it is characterized in that, judge while having at least one rank lower than other clients of described the first client in all clients of any AP of access, in described at least one other client, choose the second client, instruction disconnects being connected between described the second client and corresponding A P, described the first client is accessed to AP corresponding to described the second client, specifically comprises:
Judge and do not have idle AP, and access while having at least one rank lower than other clients of described the first client in all clients of described any AP, in described at least one other client, choose the second client, obtain the identification information of described the second client;
Disconnect being connected between described the second client and corresponding A P according to the identification information instruction of described the second client;
Indicate described the first client to access AP corresponding to the second client.
6. method as claimed in claim 5, is characterized in that, further comprises:
When all not having rank other clients lower than described the first client in all clients of judging any AP of access, and while there is not idle AP, send and cannot access message to the first client by mobile communications network.
7. a WLAN (wireless local area network) access device, is characterized in that, comprising:
The first acquiring unit, the request access message sending for receiving the first client, obtains the network information and the first client-side information that in described request access message, carry;
Second acquisition unit, for according to the described network information, obtains the identification information of all access point AP in described the first client hunting zone, and according to described the first client-side information, obtains client level corresponding to described the first client;
The 3rd acquiring unit, for all client level of AP corresponding to the identification information of any one AP that definite access is obtained respectively;
Indicating member, for detecting successively each client level that is linked into any one AP, and have rank lower than at least one other client of described the first client in all clients of judging any AP of access time, in described at least one other client, choose the second client, instruction disconnects being connected between described the second client and corresponding A P, and described the first client is accessed to AP corresponding to described the second client.
8. device as claimed in claim 7, is characterized in that, described the first acquiring unit, the request access message sending with short message form by mobile communications network specifically for receiving the first client.
9. device as claimed in claim 7, is characterized in that, described the 3rd acquiring unit, specifically for
According to the identification information of all clients that is linked into described any one AP, send client level query messages to network side, and according to the feedback information of network side, and the identification information of described any one AP, obtain respectively client level corresponding to all clients that is linked into this any one AP; Or,
The identification information of all clients of the AP that the identification information of any one AP obtaining according to access is corresponding, and the identification information of described any one AP, the local client level list of preserving of inquiry, obtains client level corresponding to all clients that is linked into this any one AP; Wherein, described client level list is the list of the corresponding relation of the client level corresponding to the identification information that comprises this any AP, the identification information that can access the client of this any AP, each identification information of preserving in this locality, and client level corresponding to all clients that this client level list sends according to predetermined period according to network side upgraded.
10. device as claimed in claim 7, is characterized in that, described indicating member, is further used for:
According to the identification information of each AP, obtain level value corresponding to each AP in the first client hunting zone of carrying in request access message;
The level value corresponding according to each AP, sorts according to level value from high to low to all AP in the first client hunting zone, detects successively each client level that is linked into each AP according to ranking results.
11. devices as described in claim 7-10 any one, it is characterized in that, described indicating member, there is not idle AP specifically for judging, and access while having at least one rank lower than other clients of described the first client in all clients of described any AP, in described at least one other client, choose the second client, obtain the identification information of described the second client; Disconnect being connected between described the second client and corresponding A P according to the identification information instruction of described the second client; Indicate described the first client to access AP corresponding to the second client.
12. devices as claimed in claim 11, it is characterized in that, described indicating member, be further used for when all not having rank other clients lower than described the first client in all clients of judging any AP of access, and while not there is not idle AP, send and cannot access message to the first client by mobile communications network.
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