CN104822168A - Guiding method and apparatus for frequency band switching of wireless terminal - Google Patents
Guiding method and apparatus for frequency band switching of wireless terminal Download PDFInfo
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- CN104822168A CN104822168A CN201510193777.9A CN201510193777A CN104822168A CN 104822168 A CN104822168 A CN 104822168A CN 201510193777 A CN201510193777 A CN 201510193777A CN 104822168 A CN104822168 A CN 104822168A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
Abstract
The invention provides a guiding method and apparatus for the frequency band switching of a wireless terminal. The method comprises obtaining a frequency band supported by a wireless access point, the frequency band comprises a first frequency band and a second frequency band, with corresponding physical addresses to the first and second frequency bands being the same; obtaining a wireless terminal associated with the first frequency band in the wireless access point; determining whether the wireless terminal is a dual-band wireless terminal, and if so, transmitting a synchronization message command to the wireless access; receiving a synchronization successful message returned by the wireless access point after corresponding node information to the wireless terminal associated with the first frequency band is synchronized to the second frequency band according to the synchronization message command; transmitting a frequency band switching request to the wireless access point according to the synchronization successful message; and receiving a frequency band guiding successful message returned by the wireless access point after the wireless terminal associated with the first frequency band is guided to the second frequency band according to the frequency band switching request. The above method and device increase the network access speed of the dual-band wireless terminal, and alleviate the load of 2.4G frequency band.
Description
Technical field
The present invention relates to wireless communication technology field, particularly relate to bootstrap technique and the device of the switching of a kind of wireless terminal frequency range.
Background technology
Along with WLAN (Wireless Local Area Network, WLAN (wireless local area network)) universal, wireless user also gets more and more, wlan system generally comprises AC (Wireless access controller, wireless controller), AP (Access Point, WAP (wireless access point)) and STA (station, wireless terminal).The wireless terminal that user uses is divided into single-frequency wireless terminal (only supporting 2.4G frequency range) and double-frequency wireless terminal (supporting 2.4G and 5.8G), and wireless access point AP is also divided into single-frequency access point (only supporting 2.4G frequency range) and double frequency access point (supporting 2.4G and 5.8G).There is so a kind of scene in usual radio local network environment: because wireless terminal is got used to adopting the access of 2.4G HF mode, double frequency (2.4G and 5.8G) wireless terminal may be connected in the 2.4G frequency range of the WAP (wireless access point) supporting double frequency, make 5.8G frequency range generally low than 2.4G band channels interest rate, in addition at present 2.4G single-frequency terminal is more than dual band terminal, causes that the duty ratio of 2.4G frequency range is heavier and resource that is 5.8G frequency range is wasted.
In order to reduce the waste of 5.8G frequency range in AP, traditional mode realizes priority access 5.8G by the 2.4G access network action of AC control double-frequency wireless terminal.Namely AP receives a double-frequency wireless terminal when the network connecting request of 2.4G frequency range, and this AP will refuse the access of this double-frequency wireless terminal, asks the double-frequency wireless terminal adding network have to find other frequency range and connects.Thus in certain degree, realize priority access 5.8G frequency range.Because the request of the access 2.4G frequency range of double-frequency wireless terminal transmission may be refused continuously, until request 5.8G frequency range.Easily cause double-frequency wireless terminal not connect network for a long time, cause the speed of double-frequency wireless accessing terminal to network slow.
Summary of the invention
Based on this, be necessary for above-mentioned technical problem, the bootstrap technique providing a kind of wireless terminal frequency range improving wireless terminal interconnection network speed to switch and device.
The bootstrap technique that wireless terminal frequency range switches, described method comprises:
Obtain the frequency range supported of WAP (wireless access point), described frequency range comprises the first frequency range and the second frequency range, and the described first frequency range physical address corresponding with the second frequency range is identical;
Obtain the wireless terminal of the first frequency range association in WAP (wireless access point);
Judge whether described wireless terminal is double-frequency wireless terminal, if so, then send synchronization message order to WAP (wireless access point);
Synchronous success message is returned after receiving node information synchronization to the second frequency range corresponding to wireless terminal that the first frequency range associates according to synchronization message order by described WAP (wireless access point);
Send frequency range according to synchronous success message and handover request to described WAP (wireless access point);
Receive the frequency range returned after the wireless terminal that the first frequency range associates is guided to described second frequency range according to frequency range handover request by described WAP (wireless access point) and guide success message.
Wherein in an embodiment, send the step of synchronization message order to described WAP (wireless access point) before, described method also comprises:
Obtain the quantity of the wireless terminal of the second frequency range association in described WAP (wireless access point);
Judge whether the quantity of described wireless terminal exceedes predetermined threshold value, if not, then enter the step sending synchronization message order to WAP (wireless access point).
Wherein in an embodiment, describedly judge that whether described wireless terminal is the step of double-frequency wireless terminal, comprising:
Judge the probe messages whether the first frequency range of WAP (wireless access point) and the second frequency range all receive wireless terminal and send, if so, then wireless terminal is double-frequency wireless terminal.
The bootstrap technique that wireless terminal frequency range switches, described method comprises:
Receive the synchronization message order that wireless controller sends;
In node information synchronization to the second frequency range that the wireless terminal first frequency range associated according to described synchronization message order is corresponding, and return synchronous success message to wireless controller, the described first frequency range physical address corresponding with the second frequency range is identical;
Receive the frequency range handover request that wireless controller sends;
According to described frequency range handover request, the wireless terminal that the first frequency range associates is guided to the second frequency range.
Wherein in an embodiment, the described step according to described frequency range handover request, the wireless terminal that the first frequency range associates being guided to the second frequency range, comprising:
Wireless terminal transmitting channel to the first frequency range association switches announcement message, described channel switches announcement message and carries channel number corresponding to the second frequency range, and described wireless terminal switches announcement message according to channel and transmits data by the channel number that described second frequency range is corresponding to described physical address;
Judge whether the second frequency range receives the data of wireless terminal transmission, if so, then send frequency range to wireless controller and guide success message.
The guiding device that wireless terminal frequency range switches, described device comprises:
Frequency range acquisition module, for obtaining the frequency range that WAP (wireless access point) is supported, described frequency range comprises the first frequency range and the second frequency range, and the described first frequency range physical address corresponding with the second frequency range is identical;
Terminal acquisition module, for obtaining the wireless terminal of the first frequency range association in WAP (wireless access point);
First judge module, for judging whether described wireless terminal is double-frequency wireless terminal;
Order sending module, for when the result that described first judge module judges is as being, sends synchronization message order to WAP (wireless access point);
First message reception module, returns synchronous success message for receiving after terminals physical address corresponding to wireless terminal that the first frequency range associates according to synchronization message order by described WAP (wireless access point), the network address and netkey are synchronized to the second frequency range;
Request sending module, handovers request to described WAP (wireless access point) for sending frequency range according to synchronous success message;
Second message reception module, guides success message for receiving the frequency range returned after the wireless terminal that the first frequency range associates is guided to described second frequency range according to frequency range handover request by described WAP (wireless access point).
Wherein in an embodiment, described device also comprises:
Terminal quantity acquisition module, for obtaining the quantity of the wireless terminal of the second frequency range association in described WAP (wireless access point);
Second judge module, for judging whether the quantity of described wireless terminal exceedes predetermined threshold value;
Described order sending module also for when the result that described second judge module judges is no, sends synchronization message order to WAP (wireless access point).Wherein in an embodiment, whether first frequency range and second frequency range of described first judge module also for judging WAP (wireless access point) all receive the probe messages that wireless terminal sends, and if so, then wireless terminal is double-frequency wireless terminal.
The guiding device that wireless terminal frequency range switches, described device comprises:
Order receiver module, for receiving the synchronization message order that wireless controller sends;
First message transmission module, for in node information synchronization to the second frequency range that the wireless terminal the first frequency range associated according to described synchronization message order is corresponding, and returning synchronous success message to wireless controller, the described first frequency range physical address corresponding with the second frequency range is identical;
Request receiving module, for receiving the frequency range handover request that wireless controller sends;
Frequency range bootstrap module, for guiding to the second frequency range according to described frequency range handover request by the wireless terminal that the first frequency range associates.
Wherein in an embodiment, described frequency range bootstrap module comprises:
Channel switching module, for switching announcement message to the wireless terminal transmitting channel of the first frequency range association, described channel switches announcement message and carries channel number corresponding to the second frequency range, and described wireless terminal switches announcement message according to channel and transmits data by the channel number that described second frequency range is corresponding to described physical address;
Second message transmission module, for judging whether the second frequency range receives the data of wireless terminal transmission, if so, then sending frequency range to wireless controller and guiding success message.
The bootstrap technique that above-mentioned wireless terminal frequency range switches and device, initiatively the double-frequency wireless terminal of the first frequency range association in WAP (wireless access point) can be guided to the second frequency range, the second frequency range could be accessed owing to not needing double-frequency wireless terminal realize interconnection network through repeatedly sending connection request, when the first frequency range be 2.4G frequency range, the second frequency range is 5.8G frequency range, make double-frequency wireless terminal can be connected into network quickly through 5.8G frequency range, accelerate the speed of double-frequency wireless accessing terminal to network, and alleviate the load of 2.4G frequency range.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the bootstrap technique that in an embodiment, wireless terminal frequency range switches;
Fig. 2 is in an embodiment before sending synchronization message commands steps to WAP (wireless access point), the schematic flow sheet of the bootstrap technique that wireless terminal frequency range switches;
Fig. 3 is the schematic flow sheet of the bootstrap technique that in another embodiment, wireless terminal frequency range switches;
Fig. 4 is the application scenarios figure of the bootstrap technique that in an embodiment, wireless terminal frequency range switches;
The structural representation of the guiding device that Fig. 5 switches for a kind of wireless terminal frequency range provided in an embodiment;
Fig. 6 is the structural representation of the guiding device that in another embodiment, wireless terminal frequency range switches;
Fig. 7 is the structural representation of an embodiment Mid Frequency bootstrap module.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, in one embodiment, the bootstrap technique the method providing the switching of a kind of wireless terminal frequency range is applied in wireless controller (AC), and the method comprises the steps:
Step 101, obtains the frequency range that WAP (wireless access point) is supported.
Step 102, obtains the wireless terminal of the first frequency range association in WAP (wireless access point).
WAP (wireless access point) refers to the WAP (wireless access point) (i.e. double-frequency wireless access point, AP) supporting two-band.Frequency range comprises the first frequency range and the second frequency range, and in the present embodiment, the first frequency range physical address corresponding with the second frequency range is identical.First frequency range refers to the wireless access way that wireless terminal generally uses compared with the second frequency range.Concrete, the first frequency range is 2.4G frequency range, and the second frequency range is 5.8G frequency range.First frequency range in double-frequency wireless access point and RF physical (Mac) address corresponding to the second frequency range arrange identical by wireless controller in advance, BSS (the Basic Service Set that two frequency ranges are used for consolidated network, Basic Service Set) except channel number difference, BSSID and MAC Address are all identical.AP under AC controls adopts general microcellulor framework, and namely each AP independently can carry out the transmission-receiving function deployment of message on a different channel.
Step 103, judges whether wireless terminal is double-frequency wireless terminal.If so, then enter step 104, if not, then terminate.
Because wireless terminal preferentially uses the wireless access way of 2.4G frequency range under normal circumstances, the 5.8G resource of frequency range in AP is caused to be wasted, and AP had both supported 2.4G frequency range also to support 5.8G frequency range, if guide in 5.8G frequency range by the double-frequency wireless terminal of 2.4G frequency range association in AP, the utilance that both improve 5.8G frequency range also mitigates the load of 2.4G frequency range.
AC further, judges whether there is double-frequency wireless terminal in wireless terminal after obtaining the wireless terminal of the first frequency range association in the AP under management and control.Concrete, judge whether the first frequency range of WAP (wireless access point) and the second frequency range all receive the probe messages of wireless terminal transmission, and if so, then wireless terminal is double-frequency wireless terminal.
After double-frequency wireless terminal adds WLAN (wireless local area network), probe messages can be sent whether there is wireless network with detection on each channel of the first frequency range and each channel of the second frequency range, if double-frequency wireless access point in the first frequency range, receive probe messages; represent that this wireless terminal supports the first frequency range, in like manner, double-frequency wireless access point receives the probe messages that wireless terminal sends in the second frequency range, then represent that this wireless terminal supports the second frequency range.When two frequency ranges of AP can receive the probe messages that same wireless terminal sends, then represent that this wireless terminal is double-frequency wireless terminal.
In one embodiment, the physical address that the wireless terminal that AP under AC management and control can report oneself each frequency range to listen to is corresponding, whether AC, by physical address corresponding for the wireless terminal of record AP each frequency range association, carries out frequency range guiding to wireless terminal for further decision-making and provides support.
Step 104, sends synchronization message order to WAP (wireless access point).
Step 105, returns synchronous success message after node information synchronization to the second frequency range that the wireless terminal that the first frequency range associates according to synchronization message order by reception WAP (wireless access point) is corresponding.
In the present embodiment, after determining that frequency range guiding is carried out to wireless terminal, in order to not affect the impact on wireless Internet access in frequency range handoff procedure, in advance the link information of wireless terminal in the first frequency range is synchronized in the second frequency range.Nodal information refers to that AP and wireless terminal carry out requisite information needed for Wireless Data Transmission.
Concrete, nodal information comprises: terminals physical address corresponding to double-frequency wireless terminal, the network address (IP) and netkey etc.In AP the first frequency range trawl performance on can record nodal information corresponding to wireless terminal; When wireless terminal is switched to the second frequency range by the first frequency range by needs, the nodal information that first frequency range trawl performance records is copied in the trawl performance of the second frequency range, when nodal information copies successfully, synchronous success message is returned, to notify that AC can send frequency range handover request to AP to AC.Further, AP deletes the nodal information in the first frequency range.And AC online user data table is revised as wireless terminal associates with the second frequency range.
Step 106, sends frequency range according to synchronous success message and handovers request to WAP (wireless access point).
Step 107, receives the frequency range returned after the wireless terminal that the first frequency range associates is guided to the second frequency range according to frequency range handover request by WAP (wireless access point) and guides success message.
In the present embodiment, AC and AP has done the preparation that frequency range switches, and further, wireless terminal is guided to the second frequency range from the first frequency range by notice AP.The wireless terminal that first frequency range associates is guided to the second frequency range according to frequency range handover request by WAP (wireless access point).
The bootstrap technique that above-mentioned wireless terminal frequency range switches, initiatively the double-frequency wireless terminal of the first frequency range association in WAP (wireless access point) can be guided to the second frequency range, the second frequency range could be accessed owing to not needing double-frequency wireless terminal realize interconnection network through repeatedly sending connection request, when the first frequency range be 2.4G frequency range, the second frequency range is 5.8G frequency range, make double-frequency wireless terminal can be connected into network quickly through 5.8G frequency range, accelerate the speed of double-frequency wireless accessing terminal to network, and alleviate the load of 2.4G frequency range.
As shown in Figure 2, in one embodiment, in step 104, before sending synchronization message order to WAP (wireless access point), the method also comprises:
Step 201, obtains the quantity of the wireless terminal of the second frequency range association in WAP (wireless access point).
Step 202, judges whether the quantity of wireless terminal exceedes predetermined threshold value.If not, then enter step 104, send synchronization message order to WAP (wireless access point).If so, then terminate.
In the present embodiment, in order to make the load balancing in AP between the first frequency range and the second frequency range, prevent the instability that some frequency range overload cause the network between wireless terminal with AP to be connected, before carrying out frequency range switching and booting, know the loading condition of second frequency range that will guide to, just carry out frequency range switching and booting when the load of the second frequency range allows.Such as, if the wireless terminal quantity of the second frequency range association is 100 be greater than predetermined threshold value, and the wireless terminal quantity of the first frequency range association is 2, then do not guided in the second frequency range by the wireless terminal of the first frequency range association.
As shown in Figure 3, in one embodiment, the bootstrap technique that a kind of wireless terminal frequency range provided switches, the method is applied in WAP (wireless access point), and the method comprises the steps:
Step 301, receives the synchronization message order that wireless controller sends.
Step 302, in node information synchronization to the second frequency range that the wireless terminal the first frequency range associated according to synchronization message order is corresponding, and returns synchronous success message to wireless controller.
Step 303, receives the frequency range handover request that wireless controller sends.
Step 304, guides to the second frequency range according to frequency range handover request by the wireless terminal that the first frequency range associates.
In the present embodiment, the first frequency range physical address corresponding with the second frequency range is identical, AP receives the synchronization message order that wireless controller sends, the wireless terminal needing to carry out frequency range switching is specified in this synchronization message order, further, nodal information corresponding for wireless terminal copies in trawl performance corresponding to the second frequency range by AP, to realize in node information synchronization to the second frequency range.And send synchronous success message to wireless controller, represent that AP has carried out the preparation of frequency range switching.Further, receive the frequency range handover request (namely asking AP to be guided in the second frequency range by the first frequency range by wireless terminal) that AC sends, complete frequency range switch operating by AP.
In one embodiment, step 304, according to frequency range handover request, the wireless terminal that the first frequency range associates is guided to the second frequency range to comprise: the wireless terminal transmitting channel to the first frequency range association switches announcement message, and channel switches announcement message and carries channel number corresponding to the second frequency range; Wireless terminal switches announcement message according to channel and transmits data by channel number to physical address.Judge whether the second frequency range receives the data of wireless terminal transmission, if so, then send frequency range to wireless controller and guide success message.
In the present embodiment, the data mode that AP switches announcement message to the channel that wireless terminal sends is beacon frame, contains channel number corresponding to the second frequency range in this beacon frame.The first band transmissions data to AP will be stopped after wireless terminal reception to channel switching announcement message, and carry out transfer of data by the channel number that the second frequency range is corresponding after the Preset Time of one section, interval, when to during the data of wireless terminal transmission, the second UHF band reception represents that frequency range guides successfully, because the first frequency range and physical address corresponding to the second frequency range are identical, in other words, frequency range guides is realized by the channel transmission data that the second frequency range is corresponding by originally being changed over by the channel transmission data that the first frequency range is corresponding by wireless terminal.And the physical address of transfer of data does not change.
As shown in Figure 4, be the application scenarios figure of method provided by the invention, wherein, wireless network environment comprises: AC10 is management and control AP20, AP21 and AP22 respectively.The wireless terminal setting up wireless connections with AP20 comprises: 30,31,32 and 33, and wherein, 2.4G frequency range is associated with wireless terminal, and to comprise 30,31 and 32,31 and 32 be that single-frequency wireless terminal, 30 is for double-frequency wireless terminal.5.8G frequency range is associated with single-frequency wireless terminal 33.Send synchronization message order by method AC10 provided by the invention to AP20, the physical address of double-frequency wireless terminal 30 correspondence, the network address and netkey are synchronized in 5.8G frequency range by AP20; And return synchronous success message and send frequency range to AC10, AC10 and handover request to AP20, guide double-frequency wireless terminal 30 to switch to 5.8G frequency range from 2.4G frequency range by AP20.Make the wireless terminal of the second frequency range association comprise 33 and 30, and the wireless terminal of AP50 first frequency range association become 31 and 32.
As shown in Figure 5, in one embodiment, the guiding device that a kind of wireless terminal frequency range provided switches, this device comprises as lower module:
Frequency range acquisition module 50, for obtaining the frequency range that WAP (wireless access point) is supported, frequency range comprises the first frequency range and the second frequency range, and the first frequency range physical address corresponding with the second frequency range is identical.
Terminal acquisition module 51, for obtaining the wireless terminal of the first frequency range association in WAP (wireless access point).
First judge module 52, for judging whether wireless terminal is double-frequency wireless terminal.
Order sending module 53, for when the result that the first judge module judges is as being, sends synchronization message order to WAP (wireless access point).
First message reception module 54, returns synchronous success message after receiving node information synchronization to the second frequency range corresponding to wireless terminal that the first frequency range associates according to synchronization message order by WAP (wireless access point).
Request sending module 55, handover request to WAP (wireless access point) for sending frequency range according to synchronous success message, the wireless terminal that the first frequency range associates is guided to the second frequency range according to frequency range handover request by WAP (wireless access point).
Second message reception module 56, guides success message for receiving the frequency range returned after the wireless terminal that the first frequency range associates is guided to described second frequency range according to frequency range handover request by described WAP (wireless access point).
In one embodiment, the guiding device that the wireless terminal frequency range provided switches also comprises:
Terminal quantity acquisition module, for obtaining the quantity of the wireless terminal of the second frequency range association in WAP (wireless access point).
Second judge module, for judging whether the quantity of wireless terminal exceedes predetermined threshold value.
Described order sending module 53 also for when the result that the second judge module judges is no, sends synchronization message order to WAP (wireless access point).
In one embodiment, whether first frequency range and second frequency range of the first judge module 54 also for judging WAP (wireless access point) all receive the probe messages that wireless terminal sends, and if so, then wireless terminal is double-frequency wireless terminal.
As shown in Figure 6, in one embodiment, the guiding device that a kind of wireless terminal frequency range provided switches, this device comprises as lower module:
Order receiver module 60, for receiving the synchronization message order that wireless controller sends.
First message transmission module 62, for in node information synchronization to the second frequency range that the wireless terminal the first frequency range associated according to synchronization message order is corresponding, and returning synchronous success message to wireless controller, the described first frequency range physical address corresponding with the second frequency range is identical.
Request receiving module 64, for receiving the frequency range handover request that wireless controller sends.
Frequency range bootstrap module 66, for guiding to the second frequency range according to frequency range handover request by the wireless terminal that the first frequency range associates.
As shown in Figure 7, in one embodiment, frequency range bootstrap module 66 comprises:
Channel switching module 660, for switching announcement message to the wireless terminal transmitting channel of the first frequency range association, channel switches announcement message and carries channel number corresponding to the second frequency range, and wireless terminal switches announcement message according to channel and transmits data by the channel number that the second frequency range is corresponding to physical address.
Second message transmission module 662, for judging whether the second frequency range receives the data of wireless terminal transmission, if so, then sending frequency range to wireless controller and guiding success message.
Above embodiment only have expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a bootstrap technique for wireless terminal frequency range switching, described method comprises:
Obtain the frequency range supported of WAP (wireless access point), described frequency range comprises the first frequency range and the second frequency range, and the described first frequency range physical address corresponding with the second frequency range is identical;
Obtain the wireless terminal of the first frequency range association in WAP (wireless access point);
Judge whether described wireless terminal is double-frequency wireless terminal, if so, then send synchronization message order to WAP (wireless access point);
Synchronous success message is returned after receiving node information synchronization to the second frequency range corresponding to wireless terminal that the first frequency range associates according to synchronization message order by described WAP (wireless access point);
Send frequency range according to synchronous success message and handover request to described WAP (wireless access point);
Receive the frequency range returned after the wireless terminal that the first frequency range associates is guided to described second frequency range according to frequency range handover request by described WAP (wireless access point) and guide success message.
2. method according to claim 1, is characterized in that, send the step of synchronization message order to described WAP (wireless access point) before, described method also comprises:
Obtain the quantity of the wireless terminal of the second frequency range association in described WAP (wireless access point);
Judge whether the quantity of described wireless terminal exceedes predetermined threshold value, if not, then enter the step sending synchronization message order to WAP (wireless access point).
3. method according to claim 1, is characterized in that, describedly judges that whether described wireless terminal is the step of double-frequency wireless terminal, comprising:
Judge the probe messages whether the first frequency range of WAP (wireless access point) and the second frequency range all receive wireless terminal and send, if so, then wireless terminal is double-frequency wireless terminal.
4. a bootstrap technique for wireless terminal frequency range switching, described method comprises:
Receive the synchronization message order that wireless controller sends;
In node information synchronization to the second frequency range that the wireless terminal first frequency range associated according to described synchronization message order is corresponding, and return synchronous success message to wireless controller, the described first frequency range physical address corresponding with the second frequency range is identical;
Receive the frequency range handover request that wireless controller sends;
According to described frequency range handover request, the wireless terminal that the first frequency range associates is guided to the second frequency range.
5. method according to claim 4, is characterized in that, the described step according to described frequency range handover request, the wireless terminal that the first frequency range associates being guided to the second frequency range, comprising:
Wireless terminal transmitting channel to the first frequency range association switches announcement message, described channel switches announcement message and carries channel number corresponding to the second frequency range, and described wireless terminal switches announcement message according to channel and transmits data by the channel number that described second frequency range is corresponding to described physical address;
Judge whether the second frequency range receives the data of wireless terminal transmission, if so, then send frequency range to wireless controller and guide success message.
6. a guiding device for wireless terminal frequency range switching, it is characterized in that, described device comprises:
Frequency range acquisition module, for obtaining the frequency range that WAP (wireless access point) is supported, described frequency range comprises the first frequency range and the second frequency range, and the described first frequency range physical address corresponding with the second frequency range is identical;
Terminal acquisition module, for obtaining the wireless terminal of the first frequency range association in WAP (wireless access point);
First judge module, for judging whether described wireless terminal is double-frequency wireless terminal;
Order sending module, for when the result that described first judge module judges is as being, sends synchronization message order to WAP (wireless access point);
First message reception module, returns synchronous success message for receiving after terminals physical address corresponding to wireless terminal that the first frequency range associates according to synchronization message order by described WAP (wireless access point), the network address and netkey are synchronized to the second frequency range;
Request sending module, handovers request to described WAP (wireless access point) for sending frequency range according to synchronous success message;
Second message reception module, guides success message for receiving the frequency range returned after the wireless terminal that the first frequency range associates is guided to described second frequency range according to frequency range handover request by described WAP (wireless access point).
7. device according to claim 6, is characterized in that, described device also comprises:
Terminal quantity acquisition module, for obtaining the quantity of the wireless terminal of the second frequency range association in described WAP (wireless access point);
Second judge module, for judging whether the quantity of described wireless terminal exceedes predetermined threshold value;
Described order sending module also for when the result that described second judge module judges is no, sends synchronization message order to WAP (wireless access point).
8. device according to claim 6, is characterized in that, described first judge module also for
Judge the probe messages whether the first frequency range of WAP (wireless access point) and the second frequency range all receive wireless terminal and send, if so, then wireless terminal is double-frequency wireless terminal.
9. a guiding device for wireless terminal frequency range switching, it is characterized in that, described device comprises:
Order receiver module, for receiving the synchronization message order that wireless controller sends;
First message transmission module, for in node information synchronization to the second frequency range that the wireless terminal the first frequency range associated according to described synchronization message order is corresponding, and returning synchronous success message to wireless controller, the described first frequency range physical address corresponding with the second frequency range is identical;
Request receiving module, for receiving the frequency range handover request that wireless controller sends;
Frequency range bootstrap module, for guiding to the second frequency range according to described frequency range handover request by the wireless terminal that the first frequency range associates.
10. device according to claim 9, is characterized in that, described frequency range bootstrap module comprises:
Channel switching module, for switching announcement message to the wireless terminal transmitting channel of the first frequency range association, described channel switches announcement message and carries channel number corresponding to the second frequency range, and described wireless terminal switches announcement message according to channel and transmits data by the channel number that described second frequency range is corresponding to described physical address;
Second message transmission module, for judging whether the second frequency range receives the data of wireless terminal transmission, if so, then sending frequency range to wireless controller and guiding success message.
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105430674A (en) * | 2015-11-03 | 2016-03-23 | 上海斐讯数据通信技术有限公司 | Wireless network communication method and system |
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| CN105430674B (en) * | 2015-11-03 | 2019-10-25 | 上海斐讯数据通信技术有限公司 | A kind of wireless network communication method and system |
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| CN105764158A (en) * | 2016-02-04 | 2016-07-13 | 腾讯科技（深圳）有限公司 | Data communication method and device |
| CN112689313A (en) * | 2016-05-31 | 2021-04-20 | 华为技术有限公司 | Method for switching access point and terminal equipment |
| CN112689313B (en) * | 2016-05-31 | 2022-02-08 | 荣耀终端有限公司 | Method for switching access point and terminal equipment |
| CN105933942A (en) * | 2016-06-16 | 2016-09-07 | 北京小米移动软件有限公司 | Frequency band switching method and device |
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| CN108696894A (en) * | 2017-04-07 | 2018-10-23 | 中兴通讯股份有限公司 | A kind of audio communication method and device |
| CN106954225A (en) * | 2017-05-25 | 2017-07-14 | 普联技术有限公司 | Method, device and the wireless device of radio roaming |
| CN107148035A (en) * | 2017-05-25 | 2017-09-08 | 普联技术有限公司 | Method, device and the wireless device of Frequency Band Selection |
| CN106954225B (en) * | 2017-05-25 | 2019-12-17 | 普联技术有限公司 | wireless roaming method and device and wireless equipment |
| CN107148035B (en) * | 2017-05-25 | 2020-01-31 | 普联技术有限公司 | Frequency band selection method and device and wireless equipment |
| CN107172673B (en) * | 2017-06-22 | 2020-10-02 | 深圳市米联科信息技术有限公司 | WiFi router system and method for improving capacity of WiFi router system |
| CN107172673A (en) * | 2017-06-22 | 2017-09-15 | 深圳市米联科信息技术有限公司 | A kind of WiFi route systems and the method for improving WiFi route system capacity |
| WO2021036468A1 (en) * | 2019-08-27 | 2021-03-04 | 南京中兴新软件有限责任公司 | Communication method and system for wireless local area network (wlan) |
| CN113596864A (en) * | 2020-04-30 | 2021-11-02 | 华为技术有限公司 | Terminal roaming guiding method, device, equipment and computer readable storage medium |
| CN113596864B (en) * | 2020-04-30 | 2023-08-22 | 华为技术有限公司 | Terminal roaming guide method, device, equipment and computer readable storage medium |
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| CN114071618A (en) * | 2020-08-10 | 2022-02-18 | 华为技术有限公司 | Channel switching method, access equipment and user equipment |
| CN114071618B (en) * | 2020-08-10 | 2023-11-17 | 华为技术有限公司 | Channel switching method, access equipment and user equipment |
| CN114125970A (en) * | 2021-11-26 | 2022-03-01 | 深圳市共进电子股份有限公司 | Wireless frequency band guiding method, device, router and storage medium |
| CN114125970B (en) * | 2021-11-26 | 2024-01-26 | 深圳市共进电子股份有限公司 | Wireless frequency band guiding method, device, router and storage medium |
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