CN106792724A - The method of adjustment and device of a kind of channel - Google Patents
The method of adjustment and device of a kind of channel Download PDFInfo
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- CN106792724A CN106792724A CN201611253034.7A CN201611253034A CN106792724A CN 106792724 A CN106792724 A CN 106792724A CN 201611253034 A CN201611253034 A CN 201611253034A CN 106792724 A CN106792724 A CN 106792724A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
- H04W16/10—Dynamic resource partitioning
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
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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
- H04W72/29—Control channels or signalling for resource management between an access point and the access point controlling device
Abstract
The present invention provides the method for adjustment and device of a kind of channel, and method includes：The first message from least one AP in first group of AP is received, at least one first messages are obtained；When the quantity of at least one first messages is more than or equal to default change quantity, the second message is sent to each AP in first group of AP, the second message is used to make each AP collection interference informations in first group of AP；Each AP is based at least one the 3rd messages that the second message is returned in receiving first group of AP, and each the 3rd message at least one the 3rd messages carries the interference information that corresponding A P is collected；Based on the interference information of each AP collections in first group of AP, adjustment information is generated, adjustment information is used for each AP in first group of AP carries out channel adjustment；The 4th message is sent to each AP in first group of AP, the 4th message carries adjustment information.Using the embodiment of the present invention, the time-consuming of channel adjustment process is shortened, improve the stability of wireless network.
Description
Technical field
The present invention relates to network communication technology field, more particularly to a kind of channel method of adjustment and device.
Background technology
Generally in a network environment for wireless network, including multiple wireless access points
(WirelessAccessPoint, referred to as AP), allows the terminal in the network environment to be connected together by AP.
In the prior art, multiple AP, when wherein one channel adjustment of AP is completed, are adjusted when each channel adjustment is carried out
Whole result can produce influence to the channel adjustment of other AP, and the channel adjustment result of other AP again can be to wherein one letter of AP
Road adjustment produces influence, so that the channel of AP is switched in each interchannel, time-consuming for the adjustment process of channel, and nothing
The stability of gauze network is poor.
The content of the invention
In view of this, the present invention provides the method for adjustment and device of a kind of channel, is taken with the adjustment process for solving channel
It is long, and the stability difference of wireless network problem.
To achieve the above object, present invention offer technical scheme is as follows：
According to the first aspect of the invention, it is proposed that a kind of method of adjustment of channel, methods described includes：
The first message from least one AP in first group of AP is received, at least one first messages, described first are obtained
Group AP is the AP set with neighborhood, and first message is used to ask alternate channel；
When the quantity of described at least one first messages is more than or equal to default change quantity, to first group of AP
In each AP send the second message, second message is used to make each AP collections interference information in first group of AP；
Each AP is based at least one the 3rd messages that second message is returned in receiving first group of AP, described
Each the 3rd message at least one the 3rd messages carries the interference information that corresponding A P is collected；
Based on the interference information of each AP collections in first group of AP, adjustment information is generated, the adjustment information is used
Each AP carries out channel adjustment in first group of AP；
The 4th message is sent to each AP in first group of AP, the 4th message carries the adjustment information.
According to the second aspect of the invention, it is proposed that a kind of method of adjustment of channel, methods described includes：
The first message is sent to AC, first message is used to ask alternate channel；
When the second message that the AC is returned based on first message is received, the interference letter in collection preset channel
Breath；
The 3rd message is sent to the AC, the 3rd message carries the interference letter gathered from the preset channel
Breath；
Receive the AC and be based on the 4th message that the 3rd message is returned, the 4th message carries adjustment information；
First channel is determined based on the adjustment information, second channel is switched into first channel, second letter
Road is current busy channel.
According to the third aspect of the invention we, it is proposed that a kind of adjusting apparatus of channel, including：
First message receiver module, for receiving the first message from least one AP in first group of AP, obtains at least
One the first message, first group of AP is the AP set with neighborhood, and first message is used to ask alternate channel；
First message sending module, for when described at least one first reports obtained in the first message receiver module
When the quantity of text is more than or equal to default change quantity, the second message is sent to each AP in first group of AP, it is described
Second message is used to make each AP collection interference informations in first group of AP；
Second message receiver module, is based on first message for receiving each AP in first group of AP and sends mould
At least one the 3rd messages that second message described in block is returned, each the 3rd message in described at least one the 3rd messages
Carry the interference information that corresponding A P is collected；
Adjustment information generation module, for based on each AP in first group of AP described in the second message receiver module
The interference information of collection, generates adjustment information, and the adjustment information is used for each AP in first group of AP carries out channel tune
It is whole；
Second message sending module, for sending the 4th message, the 4th report to each AP in first group of AP
Text carries the adjustment information generated in the adjustment information generation module.
According to the fourth aspect of the invention, it is proposed that a kind of adjusting apparatus of channel, including：
4th message sending module, for sending the first message to AC, first message is used to ask alternate channel；
4th message receiver module, for when the institute for receiving transmission during the AC is based on the 4th message sending module
When stating the second message of the first message return, the interference information in collection preset channel；
5th message sending module, for sending the 3rd message to the AC, the 3rd message carries the described 4th
The interference information gathered from the preset channel in message receiver module；
5th message receiver module, for receiving the AC is based on being sent in the 5th message sending module described the
The 4th message that three messages are returned, the 4th message carries adjustment information；
Channel adjustment module, for determining the first letter based on the adjustment information in the 5th message receiver module
Road, first channel is switched to by second channel, and the second channel is current busy channel.
From above technical scheme, the first message amount that at least one AP sends in first group of AP that AC is received,
More than or equal to it is default change quantity when, AC to each AP in first group of AP send for gather interference information second
Message, AC be based on first group of AP in each AP collection interference information, generate adjustment information so that in first group of AP each
AP carries out channel adjustment based on adjustment information, in first group of AP the channel adjustment scheme unification of each AP by AC adjustment information
Determine, it is to avoid each AP mutually produces influence in channel adjustment in first group of AP, so as to shortening channel adjustment process
It is time-consuming, improve the stability of wireless network.
Brief description of the drawings
Fig. 1 is the network architecture diagram that is applicable of method of adjustment of the channel that the present invention is provided；
Fig. 2 is the embodiment flow chart for the method for adjustment of channel that the present invention is provided；
Fig. 3 is the embodiment flow chart of the method for adjustment of the one other channel that the present invention is provided；
Fig. 4 is the embodiment flow chart of the method for adjustment of another channel that the present invention is provided；
Fig. 5 is the embodiment flow chart of the method for adjustment of another channel that the present invention is provided；
Fig. 6 is the embodiment flow chart of the method for adjustment of another channel that the present invention is provided；
Fig. 7 is a kind of hardware structure diagram of wireless control apparatus that the present invention is provided；
Fig. 8 is the embodiment block diagram of the adjusting apparatus for channel that the present invention is provided；
Fig. 9 is the embodiment block diagram of the adjusting apparatus of the one other channel that the present invention is provided；
Figure 10 is the embodiment block diagram of the adjusting apparatus of another channel that the present invention is provided；
Figure 11 is the embodiment block diagram of the adjusting apparatus of another channel that the present invention is provided.
Specific embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in implementation method do not represent and the consistent all implementation methods of the present invention.Conversely, they be only with it is such as appended
The example of the consistent apparatus and method of some aspects being described in detail in claims, of the invention.
It is the purpose only merely for description specific embodiment in terminology used in the present invention, and is not intended to be limiting the present invention.
" one kind ", " described " and " being somebody's turn to do " of singulative used in the present invention and appended claims is also intended to include majority
Form, unless context clearly shows that other implications.It is also understood that term "and/or" used herein refers to and wraps
May be combined containing one or more associated any or all of project listed.
It will be appreciated that though various information, but this may be described using term first, second, third, etc. in the present invention
A little information should not necessarily be limited by these terms.These terms are only used for being distinguished from each other open same type of information.For example, not departing from
In the case of the scope of the invention, the first information can also be referred to as the second information, and similarly, the second information can also be referred to as
One information.Depending on linguistic context, word as used in this " if " can be construed to " ... when " or " when ...
When " or " in response to determining ".
Fig. 1 is the network architecture diagram that is applicable of method of adjustment of the channel that the present invention is provided, as shown in figure 1, the network rack
Composition includes：Wireless controller (Wireless Access Point Controller, referred to as AC) 11, interchanger 12,
AP13, AP14, AP15, AP16, removable computer 17, mobile phone 18.Wherein, AC11 by interchanger 12 and AP13, AP14, AP15,
AP16 is attached；Removable computer 17, mobile phone 18 can realize that wireless network is connected by AP13, AP14, AP15, AP16, this
Sentence removable computer 17, mobile phone 18 to be merely illustrative as terminal, terminal there can also be wireless connecting function for other
Mobile device, such as intelligent watch etc..Generally, AC11 receives the first message from least one AP in first group of AP, obtains
To at least one first messages, first group of AP is the AP set with neighborhood, and the first message is used to ask alternate channel, its
In, first group of AP for example includes AP14, AP15, AP16, is preset when the quantity of the first message of AC11 receptions is more than or equal to
Change quantity when, preset change quantity be, for example, 2, i.e., when have in first group of AP more than two AP to AC11 send the first message
When, AC11 sends the second message to each AP in first group of AP, and each AP is gathered during the second message is used to make first group of AP
Interference information, interference information includes RSSI value, spectrum information etc..Each AP is based on the second message during AC11 receives first group of AP
At least one the 3rd messages for returning, each the 3rd message at least one the 3rd messages carries what corresponding A P was collected
Interference information.AC11 is based on the interference information of each AP collections in first group of AP, generates adjustment information, and AC11 is to first group of AP
In each AP send the 4th message, the 4th message carries adjustment information so that each AP is based on adjustment in first group of AP
Information carries out channel adjustment.By the embodiment of the present invention, interference of the AC11 by obtaining each AP uploads in first group of AP is believed
Breath, generates adjustment information so that adjustment information of each AP based on AC11 generations carries out channel adjustment, first in first group of AP
In group AP the channel adjustment scheme unification of each AP is determined by the adjustment information of AC11, it is to avoid each AP in first group of AP
Influence is mutually produced in channel adjustment, time-consuming so as to the adjustment process that solves channel, and the stability of wireless network is poor
Problem.
It is that the present invention is further described, there is provided the following example：
Fig. 2 is the embodiment flow chart for the method for adjustment of channel that the present invention is provided, and exemplary theory is carried out with reference to Fig. 1
It is bright, as shown in Fig. 2 comprising the following steps：
Step 201：The first message from least one AP in first group of AP is received, at least one first messages are obtained,
First group of AP is the AP set with neighborhood, and the first message is used to ask alternate channel.
Step 202：When the quantity of at least one first messages is more than or equal to default change quantity, to first group of AP
In each AP send the second message, the second message is used to make each AP collections interference information in first group of AP.
Step 203：Each AP is based at least one the 3rd messages that the second message is returned in receiving first group of AP, at least
Each the 3rd message in one the 3rd message carries the interference information that corresponding A P is collected.
Step 204：Based on the interference information of each AP collections in first group of AP, adjustment information is generated, adjustment information is used
Each AP carries out channel adjustment in first group of AP.
Step 205：The 4th message is sent to each AP in first group of AP, the 4th message carries adjustment information.
In step 201, in one embodiment, first group of AP is the AP collection that divide one group of AC11 has neighborhood
Close, exemplary explanation is carried out by first group of AP of AP14, AP15, AP16, when AP15, the AP16 in AP14, AP15, AP16 need
During alternate channel, AP15, AP16 send first message to AC11 respectively, ask alternate channel.Those skilled in the art can
To understand, the whole AP during following A C11 is based on neighborhood list to networking are divided, and obtain at least one second
Group AP, think one of them the second group of AP at least one second groups of AP herein by first group of AP.
In step 202., in one embodiment, it is that AC11 receives at least one AP hairs in first group of AP to preset change quantity
The transformation of the first message for sending, so that default change quantity is " 2 " as an example, with reference to step 201, AC11 receive AP15,
The first message that AP16 sends respectively, AC11 receives the quantity of the first message for " 2 " change quantity " 2 " equal to default, then AC11
The second message, when each AP receives the second message in first group of AP, first group are sent to each AP in first group of AP
Each AP gathers interference information respectively in AP, and interference information is the sky of each channel after each AP travels through preset channel
Not busy information, RSSI value etc..
In step 203, in one embodiment, the interference information that each AP will be collected each in first group of AP passes through
3rd message is sent to AC11.
In step 204, in one embodiment, AC11 is based on the interference information of each AP collections in first group of AP, raw
Into adjustment information, adjustment information is that each AP carries out foundation referenced during channel adjustment in first group of AP, specifically, adjustment
Information can be the weights for the corresponding channels of each AP, and weights are bigger, represent that the corresponding channel of the weights is more excellent, with
As a example by AP14, AP15, AP16 difference respective channels 1, channel 6, channel 11, AP14 respective channels 1, channel 6, the weights of channel 11
Respectively 30,40,50；AP15 respective channels 1, channel 6, the weights of channel 11 are respectively 30,50,40；AP16 respective channels 1,
Channel 6, the weights of channel 11 are respectively 50,30,40.
In step 205, in one embodiment, AC11 sends the 4th message, the 4th report to each AP in first group of AP
Text carries adjustment information, and with reference to step 204, AC11 sends the 4th message for carrying adjustment information to AP14, AP15, AP16,
AP14, AP15, AP16 are based on AP14 respective channels 1, channel 6, the weights 30,40,50 of channel 11；AP15 respective channels 1, channel
6th, the weights 30,50,40 of channel 11；AP16 respective channels 1, channel 6, channel 11 weights 50,30,40 determine AP14, AP15,
The channel that AP16 preferentially switches is respectively 11, channel 6, channel 1.
In the embodiment of the present invention, the first message amount that at least one AP sends in first group of AP that AC is received is more than
Or equal to it is default change quantity when, AC to each AP in first group of AP send for gather interference information second report
Text, AC is based on the interference information of each AP collections in first group of AP, generates adjustment information so that each AP in first group of AP
Channel adjustment is carried out based on adjustment information, the channel adjustment scheme unification of each AP is determined by the adjustment information of AC in first group of AP
It is fixed, it is to avoid each AP mutually produces influence in channel adjustment in first group of AP, so as to shorten channel adjustment process
It is time-consuming, improve the stability of wireless network.
Fig. 3 is the embodiment flow chart of the method for adjustment of the one other channel that the present invention is provided, and the embodiment of the present invention is combined
Fig. 1, Fig. 2, on the basis of step 201- steps 205, to the process of setting up of first group of AP, and how based on neighborhood row
Table to networking in whole AP divide, it is illustrative, as shown in figure 3, comprising the following steps：
Step 301：The 5th message is sent to each AP in networking, the 5th message is used to ask collection neighbor information.
Step 302：Each AP is based on the 6th message that the 5th message is returned in receiving networking, and it is right that the 6th message is carried
Answer the neighbor information that AP is collected.
Step 303：The neighbor information collected based on each AP in networking sets up neighborhood list.
Step 304：Whole AP in for networking, rule is released based on default, and one is determined from the whole AP in networking
Individual pending AP pairs, and the neighborhood between two AP of AP centerings is released from neighborhood list.
Step 305：Judge whether two AP are divided into two different second group of AP based on preset algorithm, when two
When AP is divided into two different second group of AP, step 306 is performed, when two AP are not divided into different two second
When in group AP, step 304 is performed.
Step 306：Judge the quantity of each self-contained AP in two second group of AP whether less than or equal to default units respectively
Amount, when the quantity of each self-contained AP in two second group of AP is less than or equal to default Board Lot, performs step 307, when
When quantity of one of them second group of AP comprising AP is more than default Board Lot in two second group of AP, step 308 is performed.
Step 307：Stop dividing two second group of AP, obtain two second group of AP.
Step 308：Rule is released based on default, the neighborhood between a pair of AP in one of them second group of AP is released.
In step 301, AC11 sends the 5th message to each AP in networking, and the 5th message is used to ask collection neighbours
Information.Wherein, each AP is, for example, AP13, AP14, AP15, AP16 in networking；Neighbor information includes the MAC ground of adjacent AP
Location, RSSI value, i.e. AC11 send the 5th message, request AP13, AP14, AP15, AP16 collection to AP13, AP14, AP15, AP16
Each self-corresponding neighbor information.
In step 302, each AP is based on the 6th message that the 5th message is returned, the 6th message during AC11 receives networking
The neighbor information that corresponding A P is collected is carried, with reference to the neighbours that step 301, AP13, AP14, AP15, AP16 will be gathered each
Information is sent to AC11 by the 6th message.
In step 303, AC11 sets up neighborhood list based on the neighbor information that each AP in networking is collected.Knot
Step 302 is closed, the neighbor information that AP13, AP14, AP15, AP16 are each gathered is set up neighborhood list by AC11.
Optionally, when AC11 is based on the neighbor information that each AP is collected in networking sets up neighborhood list,
If the quantity of the neighbor information that AC11 is obtained is more, AC11 presets a RSSI value, and AC11 is to RSSI value less than or equal to pre-
If the neighbor information of RSSI value is filtered or deleted, so that predetermined rssi value is " -80dbm " as an example, if in a neighbor information
RSSI value is " -90dbm ", then AC11 deletes the RSSI value " -90dbm ".
In step 304, for networking in whole AP, AC11 be based on it is default release rule, from the whole AP in networking
It is middle to determine one pending AP pairs, and the neighborhood between two AP of AP centerings is released from neighborhood list.It is default
It is, for example, the RSSI value for deleting minimum in neighborhood list to release rule, and AC11 travels through the RSSI value in neighborhood list,
As a example by neighborhood list comprising " -30dbm ", " -40dbm ", " -50dbm ", " -60dbm " four RSSI values, RSSI value
" -60dbm " is minimum, and so that AP13 receives the RSSI value of AP14 for " -60dbm " as an example, AC11 determines that AP13 and AP14 is to wait to locate
AP pairs of reason, AC11 deletes the RSSI value " -60dbm ", as relieves neighborhoods of the AP14 for AP13.
In step 305, AC11 judges whether two AP are divided into two different second group of AP based on preset algorithm
In, preset algorithm is, for example, Union-find Sets algorithm, coloring algorithm etc., it will be appreciated by persons skilled in the art that due to networking ring
In border, the neighborhood between AP occurs that overlap is intersected, and when the neighborhood between two AP of releasing, two AP still have
Neighborhood may be kept by other AP, i.e., be not divided into yet in two different second group of AP, it is therefore desirable to by pre-
Imputation method judges whether two AP are divided into two different second group of AP.When two AP are divided into different two
When in two groups of AP, step 306 is performed, when two AP are not divided into two different second group of AP, perform step 304.
Within step 306, it is divided into second group of AP with AP13, AP14, AP15, AP16 are divided into another
As a example by second group of AP, whether AC11 judges the quantity of each self-contained AP in two second group of AP less than or equal to default unit respectively
Quantity, default Board Lot is, for example, that the maximum quantity of AP included in the second group of AP of " 3 ", i.e., is 3, when two second
When the quantity of each self-contained AP is less than or equal to default Board Lot in group AP, represent each self-contained in two second group of AP
The quantity of AP meets the requirements, and performs step 307, when quantity of one of them second group of AP comprising AP is more than in two second group of AP
During default Board Lot, represent that the quantity of each self-contained AP in two second group of AP exceeds default Board Lot, perform step
308。
In step 307, AP13 and AP14, AP15, AP16 are respectively divided by two different second group of AP with AC11
In as a example by, AC11 judge respectively AP14, AP15, AP16 quantity in AP13 and second group of AP in second group of AP whether less than etc.
In default Board Lot " 3 ", the AP13 quantity in second group of AP is less than default Board Lot " 3 ", AP14 in second group of AP,
AP15, AP16 quantity are equal to default Board Lot " 3 ", and AC11 stops dividing two second group of AP, obtains comprising AP13 second
Group AP, second group of AP comprising AP14, AP15, AP16.
In step 308, AP13 and AP14, AP15, AP16, AP17 (not shown in figure 1) are respectively divided with AC11
As a example by two different second group of AP, AP14, AP15, AP16, AP17 quantity " 4 " in second group of AP are more than default units
Measure " 3 ", AC11 is based on presetting and releases regular, the neighborhood in releasing AP14, AP15, AP16, AP17 between a pair of AP, until
The quantity comprising AP is less than or equal to default Board Lot in second group of AP.
In the embodiment of the present invention, the neighbor information that AC11 is based on each AP collections from networking sets up neighborhood row
Table, AC11 releases rule by default, based on neighborhood list to networking in whole AP divide, obtain at least one
Second group of AP, is easy to the AP generation adjustment information that AC11 is based in each second group of AP, it is easy to manage.
Fig. 4 is the embodiment flow chart of the method for adjustment of another channel that the present invention is provided, and the embodiment of the present invention is combined
Fig. 1, it is illustrative by AP14 of AP, as shown in figure 4, comprising the following steps：
Step 401：The first message is sent to AC, the first message is used to ask alternate channel.
Step 402：When the second message that AC is returned based on the first message is received, the interference letter in collection preset channel
Breath.
Step 403：The 3rd message is sent to AC, the 3rd message carries the interference information gathered from preset channel.
Step 404：Receive AC and be based on the 4th message that the 3rd message is returned, the 4th message carries adjustment information.
Step 405：First channel is determined based on adjustment information, switches to the first channel, second channel to be second channel
Current busy channel.
In step 401, in one embodiment, AP14 sends the first message for asking alternate channel to AC11.
In step 402, in one embodiment, preset channel is available 11 or 13 channels, with preset channel bag
Containing channel 1, channel 2, channel 3, channel 4, channel 5, channel 6, channel 7, channel 8, channel 9, channel 10, channel 11, channel 12,
As a example by totally 13 channels, when AP14 receives AC11 is based on the second message that the first message is returned, AP14 collections are pre- for channel 13
If 13 channels in interference information.
In step 403, in one embodiment, AP14 sends the 3rd message to AC11, and the 3rd message is carried from default
13 channels in gather interference information.
In step 404, in one embodiment, AP14 receives AC11 and is based on the 4th message that the 3rd message is returned, the 4th
Message carries adjustment information, and adjustment information is foundation referenced when AP14 carries out channel adjustment, specifically, adjustment information is remembered
Record has the weights of corresponding 13 channels of AP14, and weights are bigger, represent that the corresponding channel of the weights is more excellent, with AP14 respective channels
1st, channel 2, channel 3, channel 4, channel 5, channel 6, channel 7, channel 8, channel 9, channel 10, channel 11, channel 12, channel 13
As a example by, for AP14, adjustment information record channel 1, channel 2, channel 3, channel 4, channel 5, channel 6, channel 7, channel 8, letter
Road 9, channel 10, channel 11, channel 12, the weights of channel 13 are respectively 10,20,30,40,50,60,70,80,90,100,
110、120、130。
In step 405, in one embodiment, AP14 determines the first channel based on adjustment information, and second channel is switched
It is the first channel, second channel is current busy channel.With reference to step 405, so that the current busy channels of AP14 are channel 4 as an example,
AP14 be based on channel 1, channel 2, channel 3, channel 4, channel 5, channel 6, channel 7, channel 8, channel 9, channel 10, channel 11,
Channel 12, channel 13 distinguish corresponding weights 10,20,30,40,50,60,70,80,90,100,110,120,130 and determine first
Channel is channel 130, and channel 4 is switched to channel 13 by AP14.
In the embodiment of the present invention, AP sends the first message for asking alternate channel to AC, and will be from preset channel
The interference information of collection is sent to AC so that AC is based on the interference information generation adjustment information of AP, and AP is determined based on adjustment information
First channel, and current busy channel is switched into the first channel, the scheme that AP carries out channel adjustment is believed by the adjustment that AC sends
Breath is determined, it is to avoid when AP individually carries out channel adjustment, and channel adjustment of the adjustment result on other AP produces influence, shortens letter
Taking for the adjustment process in road, improves the stability of wireless network.
Fig. 5 is the embodiment flow chart of the method for adjustment of another channel that the present invention is provided, and the embodiment of the present invention is combined
Fig. 1, Fig. 4, on the basis of step 401- steps 405, the interference information how gathered to AP14 in preset channel carries out example
Property explanation, as shown in figure 5, comprising the following steps：
Step 501：In the first preset duration, when not receiving data traffic, by the time point at the end of preset duration
First time point is recorded as, interference information is received based on the 3rd channel, the 3rd channel is current busy channel.
Step 502：When the time difference of the second time point and first time point the second preset duration is more than or equal to, and
When not receiving data traffic, the 3rd information is switched into the 4th channel, and interference information is received based on the 4th channel, when second
Between point be current point in time, the 4th channel is channel in addition to the 3rd channel in preset channel.
Step 503：When preset channel has been traveled through, the step of sending the first message to AC is performed.
In step 501, in the first preset duration, when AP14 does not receive data traffic, AP14 is by preset duration knot
Time point during beam is recorded as first time point, and AP14 is based on the 3rd channel and receives interference information, and the 3rd channel is current occupancy
Channel.It it is 1 minute with the first preset duration, the 3rd channel is not for as a example by channel 4, AP14 received data traffic in 1 minute
When, AP14 is by the time point 00 at the end of 1 minute:00:00 is recorded as first time point, and AP14 is based in the reception channel 4 of channel 4
Interference information.
In step 502, it is more than or equal to the second preset duration when the time difference of the second time point and first time point
When, and AP14 is not when receiving data traffic, the 3rd information is switched to the 4th channel by AP14, and receives dry based on the 4th channel
Information is disturbed, the second time point was current point in time, and the 4th channel is the channel in preset channel in addition to the 3rd channel.With second
Preset duration is 200 milliseconds, and the second time point was 00：00:01, the 4th channel be channel 5 as a example by, the second time point 00：00:01
With first time point 00:00:00 1 second time difference is more than 200 milliseconds of the second preset duration, and AP14 does not receive data traffic
When, channel 4 is switched to channel 5, AP14 to be based on the interference information during channel 5 receives channel 5 by AP14.
In step 503, when AP14 has traveled through default 13 channels, AP14 performs the step 401 in Fig. 4.
In the embodiment of the present invention, the interference information how gathered to AP14 in preset channel is illustrative, passes through
Interference information in AP14 collection preset channels, and after the interference information in preset channel is sent into AC11 so that AC11 can
Given birth to the interference information in the preset channel that other AP in the interference information in the preset channel based on AP14 and networking are gathered
Into adjustment information, it is ensured that AC11 can be with comprehensive and accurate generation adjustment information.
Fig. 6 is the embodiment flow chart of the method for adjustment of another channel that the present invention is provided, and the embodiment of the present invention is combined
Fig. 1, Fig. 4, on the basis of step 401- steps 405, it is illustrative how to gather neighbor information to AP14, such as Fig. 6
It is shown, comprise the following steps：
Step 601：When five message of AC transmissions is received, based on the 5th channel information carried in the 5th message,
The current channel for taking is changed to the 5th channel.
Step 602：Neighbor information is gathered based on the 5th channel.
Step 603：The 6th message for carrying the neighbor information for collecting is sent to AC.
In step 601, when AP14 receives five message of AC11 transmissions, based on the 5th carried in the 5th message
The current channel for taking is changed to the 5th channel by channel information, AP14, is channel 4, the 5th with the channel that current AP14 takes
For as a example by channel 6, channel 4 is changed to channel 6 to the 5th channel information carried in message by AP14, and those skilled in the art can be with
Understand, when AC11 receives the neighbor information of whole AP in networking, be all based on the reception of same channel, same channel sets
Surely so that AC11 is easily managed to whole AP in networking, it is to avoid produce influence to the business in other channels.
In step 602, AP14 is based on the 5th channel and gathers neighbor information, and with reference to step 601, AP14 is adopted based on channel 6
Collection neighbor information, neighbor information is MAC Address, RSSI value of AP adjacent with AP14 etc..
In step 603, AP14 sends the 6th message for carrying the neighbor information for collecting to AC11, so that AC11 bases
The neighbor information that other AP are collected in the neighbor information that AP14 is collected, and other networkings sets up neighborhood list.
Optionally, it is the information content of the neighbor information that prevents AP from being sent to AC11 when the quantity of AP in networking is excessive
Excessive, the AP in networking can be filtered or deleted to RSSI value less than or equal to the neighbor information of predetermined rssi value, with
Predetermined rssi value is " -80dbm ", and RSSI value is " -90dbm " in the AP15 neighbor informations that AP14 is collected, then AP14 will be gathered
Filtered or deleted to RSSI value " -90dbm ", as AP14 is not sent the RSSI value to AC11.Those skilled in the art can
To understand, predetermined rssi value can also be a default RSSI value range, and predetermined rssi value is not limited herein.
In the embodiment of the present invention, neighbor information how is gathered to AP14 has carried out exemplary illustration, and AP14 is adjacent by gathering
Information is occupied, and the neighbor information for collecting is sent to AC11, so that the neighbor information that AC11 is collected based on AP14, and other
The neighbor information that other AP are collected in networking sets up neighborhood list, and neighborhood list is based on to networking in order to AC11
In whole AP divided so that AP14 is changed in assigning to second group of AP, it is easy to which AC11 is managed to AP14.
Corresponding to the method for adjustment of above-mentioned channel, the invention allows for the hardware knot of the wireless control apparatus shown in Fig. 7
Composition.Refer to Fig. 7, in hardware view, the wireless control apparatus include processor, internal bus, network interface, internal memory and
Nonvolatile memory, the hardware required for other business are also possible that certainly.Processor is read from nonvolatile memory
Corresponding computer program to then operation in internal memory is taken, the adjusting apparatus of channel are formed on logic level.Certainly, except soft
Outside part implementation, the present invention is not precluded from other implementations, such as mode of logical device or software and hardware combining etc.
Deng, that is to say, that the executive agent of following handling process is not limited to each logic unit, or hardware or logic device
Part.It will be appreciated by persons skilled in the art that the hardware structure diagram of the wireless control apparatus shown in Fig. 7 proposed by the present invention is same
Sample is applied to wireless access points equipment, does not illustrate herein.
Fig. 8 is the embodiment block diagram of the adjusting apparatus for channel that the present invention is provided, as shown in figure 8, the tune of the channel
Engagement positions can include：First message receiver module 81, the first message sending module 82, the second message receiver module 83, adjustment
Information generating module 84, the second message sending module 85, wherein：
First message receiver module 81, for receiving the first message from least one AP in first group of AP, obtain to
Few first message, first group of AP is the AP set with neighborhood, and the first message is used to ask alternate channel；
First message sending module 82, for when at least one first messages obtained in the first message receiver module 81
When quantity is more than or equal to default change quantity, the second message is sent to each AP in first group of AP, the second message is used for
Make each AP collection interference informations in first group of AP；
Second message receiver module 83, is based in the first message sending module 82 for each AP in first group of AP of reception
At least one the 3rd messages that second message is returned, each the 3rd message at least one the 3rd messages carries corresponding A P
The interference information for collecting；
Adjustment information generation module 84, for being gathered based on each AP in first group of AP in the second message receiver module 83
Interference information, generate adjustment information, adjustment information be used for first group of AP in each AP carry out channel adjustment；
Second message sending module 85, for sending the 4th message to each AP in first group of AP, the 4th message is carried
The adjustment information generated in adjustment information generation module 84.
Fig. 9 is the embodiment block diagram of the adjusting apparatus of the one other channel that the present invention is provided, as shown in figure 9, in above-mentioned Fig. 8
On the basis of illustrated embodiment, the adjusting apparatus of channel also include：
3rd message sending module 86, for sending the 5th message to each AP in networking, the 5th message is used to ask
Collection neighbor information；
3rd message receiver module 87, is based on being sent in the 3rd message sending module 86 for receiving each AP in networking
The 6th message that returns of the 5th message, the 6th message carries the neighbor information that corresponding A P is collected；
Neighborhood sets up module 88, for based on carrying in the 6th message received in the 3rd message receiver module 87
The neighbor information that each AP is collected in networking sets up neighborhood list；
AP division modules 89, for setting up the neighborhood list set up in module 88 in networking based on neighborhood
Whole AP are divided, and obtain at least one second groups of AP.
In one embodiment, AP division modules 89 include：
Neighborhood releases submodule 891, for the whole AP in for networking, rule is released based on default, from networking
In whole AP in determine one pending AP pairs, and the neighbours between AP centerings two AP are released from neighborhood list
Relation；
Predetermined number judging submodule 892, is divided into not for two AP in releasing submodule 891 when neighborhood
When in two same second group of AP, judge whether the quantity of each self-contained AP in two second group of AP is single less than or equal to default respectively
Bit quantity；
Stop dividing submodule 893, for each being wrapped when in two second group of AP in predetermined number judging submodule 892
When quantity containing AP is less than or equal to default Board Lot, stop dividing two second group of AP.
In one embodiment, the adjusting apparatus of channel also include：
Neighborhood release module 90, for when in two second group of AP in predetermined number judging submodule 892 wherein
When the quantity of one second group of AP comprising AP is more than default Board Lot, rule is released based on default, release one of them second
Neighborhood in group AP between a pair of AP.
The function of unit and the implementation process of effect correspond to step in specifically referring to the above method in said apparatus
Implementation process, will not be repeated here.
For device embodiment, because it corresponds essentially to embodiment of the method, so related part is referring to method reality
Apply the part explanation of example.Device embodiment described above is only schematical, wherein described as separating component
The unit of explanation can be or may not be physically separate, and the part shown as unit can be or can also
It is not physical location, you can with positioned at a place, or can also be distributed on multiple NEs.Can be according to reality
Selection some or all of module therein is needed to realize the purpose of the present invention program.Those of ordinary skill in the art are not paying
In the case of going out creative work, you can to understand and implement.
As seen from the above-described embodiment, the first message amount that at least one AP sends in first group of AP that AC is received, greatly
In or equal to it is default change quantity when, AC to each AP in first group of AP send for gather interference information second report
Text, AC is based on the interference information of each AP collections in first group of AP, generates adjustment information so that each AP in first group of AP
Channel adjustment is carried out based on adjustment information, the channel adjustment scheme unification of each AP is determined by the adjustment information of AC in first group of AP
It is fixed, it is to avoid each AP mutually produces influence in channel adjustment in first group of AP, so as to shorten channel adjustment process
It is time-consuming, improve the stability of wireless network.
Figure 10 is the embodiment block diagram of the adjusting apparatus of another channel that the present invention is provided, as shown in Figure 10, the channel
Adjusting apparatus can include：4th message sending module 91, the 4th message receiver module 92, the 5th message sending module 93,
5th message receiver module 94, channel adjustment module 95, wherein：
4th message sending module 91, for sending the first message to AC, the first message is used to ask alternate channel；
4th message receiver module 92, for when the first report for receiving transmission during AC is based on the 4th message sending module 91
During the second message that text is returned, the interference information in collection preset channel；
5th message sending module 93, for sending the 3rd message to AC, the 3rd message carries the 4th message and receives mould
The interference information gathered from preset channel in block 92；
5th message receiver module 94, the 3rd message sent in the 5th message sending module 93 for receiving AC to be based on is returned
The 4th message for returning, the 4th message carries adjustment information；
Channel adjustment module 95, for determining the first channel based on the adjustment information in the 5th message receiver module 94, will
Second channel switches to the first channel, and second channel is current busy channel.
Figure 11 is the embodiment block diagram of the adjusting apparatus of the one other channel that the present invention is provided, as shown in figure 11, above-mentioned
On the basis of embodiment illustrated in fig. 10, the 4th message receiver module 92 includes：
Interference information receiving submodule 921, for that in the first preset duration, when not receiving data traffic, will preset
Time point at the end of duration is recorded as first time point, and interference information is received based on the 3rd channel, and the 3rd channel is currently to account for
Use channel；
Preset channel switching submodule 922, for when record in the second time point with interference information receiving submodule 921
When the time difference of first time point is more than or equal to the second preset duration, and when not receiving data traffic, by the 3rd information
The 4th channel is switched to, and interference information is received based on the 4th channel, the second time point was current point in time, and the 4th channel is pre-
If the channel in channel in addition to the 3rd channel；
Channel travels through submodule 923, for when the preset channel in having traveled through preset channel switching submodule 922, holding
The step of the first message being sent in the message sending module 91 of row the 4th to AC.
In one embodiment, the adjusting apparatus of channel also include：
6th message receiver module 96, for when five message of AC transmissions is received, based on carrying in the 5th message
The 5th channel information, the current channel for taking is changed to the 5th channel；
Neighbor information acquisition module 97, for gathering neighbours based on the 5th channel changed in the 6th message receiver module 96
Information；
6th message sending module 98, the neighbours collected in neighbor information acquisition module 97 are carried for being sent to AC
6th message of information.
The function of unit and the implementation process of effect correspond to step in specifically referring to the above method in said apparatus
Implementation process, will not be repeated here.
For device embodiment, because it corresponds essentially to embodiment of the method, so related part is referring to method reality
Apply the part explanation of example.Device embodiment described above is only schematical, wherein described as separating component
The unit of explanation can be or may not be physically separate, and the part shown as unit can be or can also
It is not physical location, you can with positioned at a place, or can also be distributed on multiple NEs.Can be according to reality
Selection some or all of module therein is needed to realize the purpose of the present invention program.Those of ordinary skill in the art are not paying
In the case of going out creative work, you can to understand and implement.
As seen from the above-described embodiment, AP sends the first message for asking alternate channel to AC, and will be from preset channel
The interference information of middle collection is sent to AC so that AC is based on the interference information generation adjustment information of AP, and it is true that AP is based on adjustment information
Fixed first channel, and switch to the first channel, AP to carry out the adjustment that the scheme of channel adjustment is sent by AC current busy channel
Information is determined, it is to avoid when AP individually carries out channel adjustment, and channel adjustment of the adjustment result on other AP produces influence, shortens
The adjustment process of channel takes, and improves the stability of wireless network.
Those skilled in the art considering specification and after putting into practice invention disclosed herein, will readily occur to it is of the invention its
Its embodiment.It is contemplated that cover any modification of the invention, purposes or adaptations, these modifications, purposes or
Person's adaptations follow general principle of the invention and including undocumented common knowledge in the art of the invention
Or conventional techniques.Description and embodiments are considered only as exemplary, and true scope and spirit of the invention are by following
Claim is pointed out.
Also, it should be noted that term " including ", "comprising" or its any other variant be intended to nonexcludability
Comprising so that process, method, commodity or equipment including a series of key elements not only include those key elements, but also wrapping
Include other key elements being not expressly set out, or also include for this process, method, commodity or equipment is intrinsic wants
Element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that wanted including described
Also there is other identical element in process, method, commodity or the equipment of element.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Within god and principle, any modification, equivalent substitution and improvements done etc. should be included within the scope of protection of the invention.
Claims (10)
1. a kind of method of adjustment of channel, it is characterised in that methods described includes：
The first message from least one AP in first group of AP is received, at least one first messages, first group of AP are obtained
It is the AP set with neighborhood, first message is used to ask alternate channel；
When the quantity of described at least one first messages is more than or equal to default change quantity, to every in first group of AP
One AP sends the second message, and second message is used to make each AP collection interference informations in first group of AP；
Receive each AP in first group of AP and be based at least one the 3rd messages that second message is returned, it is described at least
Each the 3rd message in one the 3rd message carries the interference information that corresponding A P is collected；
Based on the interference information of each AP collections in first group of AP, adjustment information is generated, the adjustment information is used for institute
Each AP carries out channel adjustment in stating first group of AP；
The 4th message is sent to each AP in first group of AP, the 4th message carries the adjustment information.
2. method according to claim 1, it is characterised in that methods described also includes：
The 5th message is sent to each AP in networking, the 5th message is used to ask collection neighbor information；
Each AP is based on the 6th message that the 5th message is returned in receiving the networking, and it is right that the 6th message is carried
Answer the neighbor information that AP is collected；
The neighbor information collected based on each AP in the networking sets up neighborhood list；
Based on the neighborhood list to the networking in whole AP divide, obtain at least one second groups of AP.
3. method according to claim 2, it is characterised in that it is described based on the neighborhood list in the networking
Whole AP divided, including：
Whole AP in for the networking, rule is released based on default, and determining one from the whole AP in the networking treats
AP pairs for the treatment of, and the neighborhood between two AP of the AP centerings is released from the neighborhood list；
When described two AP are divided into two different second group of AP, judge respectively in described two second group of AP each
Whether the quantity comprising AP is less than or equal to default Board Lot；
When the quantity of each self-contained AP in described two second group of AP is less than or equal to the default Board Lot, stop drawing
Divide described two second group of AP.
4. method according to claim 3, it is characterised in that methods described also includes：
When quantity of one of them second group of AP comprising AP is more than the default Board Lot in described two second group of AP, base
In the default releasing rule, the neighborhood in described one of them the second group of AP of releasing between a pair of AP.
5. a kind of method of adjustment of channel, it is characterised in that methods described includes：
The first message is sent to AC, first message is used to ask alternate channel；
When the second message that the AC is returned based on first message is received, the interference information in collection preset channel；
The 3rd message is sent to the AC, the 3rd message carries the interference information gathered from the preset channel；
Receive the AC and be based on the 4th message that the 3rd message is returned, the 4th message carries adjustment information；
First channel is determined based on the adjustment information, switches to first channel, the second channel to be second channel
Current busy channel.
6. method according to claim 5, it is characterised in that the interference information in the collection preset channel, including：
In the first preset duration, when not receiving data traffic, the time point at the end of the preset duration is recorded as
At one time point, interference information is received based on the 3rd channel, the 3rd channel is current busy channel；
When the second preset duration was more than or equal to the time difference of the first time point at the second time point, and do not receive
During data traffic, the 3rd information is switched into the 4th channel, and interference information is received based on the 4th channel, described the
Two time points were current point in time, and the 4th channel is the channel in addition to the 3rd channel in the preset channel；
When the preset channel has been traveled through, perform it is described to AC send the first message the step of.
7. method according to claim 5, it is characterised in that methods described also includes：
When five message that the AC sends is received, based on the 5th channel information carried in the 5th message, ought
The channel of preceding occupancy is changed to the 5th channel；
Neighbor information is gathered based on the 5th channel；
The 6th message for carrying the neighbor information for collecting is sent to the AC.
8. a kind of adjusting apparatus of channel, it is characterised in that described device includes：
First message receiver module, for receiving the first message from least one AP in first group of AP, obtains at least one
First message, first group of AP is the AP set with neighborhood, and first message is used to ask alternate channel；
First message sending module, for when described at least one first messages obtained in the first message receiver module
When quantity is more than or equal to default change quantity, the second message, described second are sent to each AP in first group of AP
Message is used to make each AP collection interference informations in first group of AP；
Second message receiver module, is based in the first message sending module for receiving each AP in first group of AP
At least one the 3rd messages that second message is returned, each the 3rd message in described at least one the 3rd messages is carried
There is the interference information that corresponding A P is collected；
Adjustment information generation module, for being gathered based on each AP in first group of AP described in the second message receiver module
Interference information, generate adjustment information, the adjustment information be used for first group of AP in each AP carry out channel adjustment；
Second message sending module, for sending the 4th message to each AP in first group of AP, the 4th message is taken
The adjustment information with being generated in the adjustment information generation module.
9. device according to claim 8, it is characterised in that after the step of the discarding domain name request message,
Described device also includes：
3rd message sending module, for sending the 5th message to each AP in networking, the 5th message is adopted for request
Collection neighbor information；
3rd message receiver module, is based on being sent in the 3rd message sending module for receiving each AP in the networking
The 6th message that returns of the 5th message, the 6th message carries the neighbor information that corresponding A P is collected；
Neighborhood sets up module, for based on carrying in the 6th message received in the 3rd message receiver module
The neighbor information that each AP is collected in the networking sets up neighborhood list；
AP division modules, for setting up the neighborhood list set up in module to the networking based on the neighborhood
In whole AP divided, obtain at least one second groups of AP.
10. a kind of adjusting apparatus of channel, it is characterised in that described device includes：
4th message sending module, for sending the first message to AC, first message is used to ask alternate channel；
4th message receiver module, for when receiving sent during the AC is based on the 4th message sending module described the
During the second message that one message is returned, the interference information in collection preset channel；
5th message sending module, for sending the 3rd message to the AC, the 3rd message carries the 4th message
The interference information gathered from the preset channel in receiver module；
5th message receiver module, the 3rd report sent in the 5th message sending module for receiving the AC to be based on
The 4th message that text is returned, the 4th message carries adjustment information；
Channel adjustment module, for determining the first channel based on the adjustment information in the 5th message receiver module, will
Second channel switches to first channel, and the second channel is current busy channel.
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