CN106060946A - Channel distribution method and device - Google Patents

Channel distribution method and device Download PDF

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Publication number
CN106060946A
CN106060946A CN201610373512.1A CN201610373512A CN106060946A CN 106060946 A CN106060946 A CN 106060946A CN 201610373512 A CN201610373512 A CN 201610373512A CN 106060946 A CN106060946 A CN 106060946A
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China
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described
channel
weighted value
selected
sub
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CN201610373512.1A
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Chinese (zh)
Inventor
王祝勋
肖哲民
蔡友华
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杭州华三通信技术有限公司
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Priority to CN201610373512.1A priority Critical patent/CN106060946A/en
Publication of CN106060946A publication Critical patent/CN106060946A/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management, e.g. wireless traffic scheduling or selection or allocation of wireless resources
    • H04W72/04Wireless resource allocation
    • H04W72/08Wireless resource allocation where an allocation plan is defined based on quality criteria
    • H04W72/082Wireless resource allocation where an allocation plan is defined based on quality criteria using the level of interference

Abstract

The embodiment of the invention discloses a channel distribution method and device. The channel distribution method and device are applied to a wireless controller (AC). The method comprises: obtaining the AP information of an access points (AP) located at the same frequency band, and determining the weight of the channel to be selected and included by the AP at the frequency band based on the disturbed degree; obtaining a plurality of channel distribution schemes including the AP; respectively determining the weights corresponding to a plurality of channel distribution schemes according to the weight of each AP; and determining the target channel distribution scheme of the AP required by the channel distribution in the channel distribution schemes according to the weights corresponding to the channel distribution schemes. The channel distribution schemes have been determined when collecting the AP information and are influenced a little by the interference source information in the AP information, and an optimal channel with higher stability is determined for the AP based on the determined channel distribution schemes and corresponding weights.

Description

A kind of method for channel allocation and device

Technical field

The present invention relates to radio communication field, particularly to a kind of method for channel allocation and device.

Background technology

In recent years, along with developing rapidly of radio communication technology, and due to two frequency ranges of 2.4G Yu 5G Without the facility of licensing during use, close at the wireless device of 2.4G with 5G the two band operation Spending the highest, wherein wireless device includes AP (Access Point, WAP).Networking is concentrated at AP Under environment, in order to reduce WLAN (Wireless Local Area Networks, WLAN) as far as possible Co-channel interference under actual scene is disturbed with facing frequency, it is necessary to distribute wireless channel to all AP in environment.

In prior art, the mode automatically distributing wireless channel for AP is usually present two kinds, and only distinguishes pin To 2.4G frequency range or 5G frequency range.Two ways is specific as follows:

Wherein, one is the serial method of salary distribution, i.e. AC (Access Controller, wireless controller) first will All AP are set to silent status, are then opened one by one by AC and control single AP scanning channel around Existing interference source information;According to this interference source information, it is judged that and determine the channel conduct of minimum interference The follow-up working channel of corresponding A P, it has a disadvantage in that AC opens one by one and controls single AP and exists After having scanned, complete channel distribution, AP during scan channel, calculating and channel finally distribute, The follow-up AP completing channel distribution can affect and complete the AP of channel distribution before (if previous AP completes Channel distribution, optimum channel determined by later AP just previous completes channel distribution for this The adjacent channel of AP, after this later AP completes channel distribution, then can affect this previous AP), change speech It, can cause and judge it is optimal channel at some time point, at a time point subsequently, become not It is suitable for corresponding AP again.

Wherein, another kind is the parallel method of salary distribution, i.e. AC controls multiple AP and runs predetermined selection letter simultaneously Road algorithm, and control the plurality of AP scanning interference source information existing for channel around, according to this simultaneously Interference source information, it is judged that and determine the channel of minimum interference as corresponding A P follow-up working channel (i.e. Channel distribution is carried out for corresponding A P), can solve to a certain extent follow-up in the serial method of salary distribution to complete letter The AP of road distribution can affect the problem of the AP completing channel distribution before, but it still suffers from following shortcoming: AC Control multiple AP when running selection channel algorithm simultaneously, together with time control the plurality of AP and carry out scan channel also Distribution, for each AP, the interference source information scanned can change at any time, and each There is difference in the interference source information that AP is scanned, AC is according to optimum channel determined by this interference source information Also can change at any time.So making before the channel of all AP determines, WLAN environment is dynamically change , for unstable WLAN environment, select an optimum channel difficulty determined very big, and select Channel algorithm is difficult to restrain, and the most even can be absorbed in loop computation.Selection in the existing parallel method of salary distribution It is big that channel algorithm realizes difficulty, and this WLAN environment dynamically changed can cause irrational channel to divide too Joining, the distribution of this irrational channel may be for judging it is optimal channel at some time point, subsequently One time point, becomes to be no longer appropriate for corresponding AP.

Visible, the parallel method of salary distribution of the prior art and the serial method of salary distribution, all it is likely to result in a certain It is optimum channel that individual time point judges, at a time point subsequently, becomes to be no longer appropriate for corresponding AP's Problem.

Summary of the invention

The embodiment of the invention discloses a kind of method for channel allocation and device, determine that stability is more being embodied as AP High optimum channel.Concrete scheme is as follows:

On the one hand, embodiments provide a kind of method for channel allocation, be applied to wireless controller AC, Described method includes:

Obtaining the AP information of the access point AP being in same frequency range, wherein, described AP information includes corresponding AP The interference source information scanned;

According to the described interference source information included by each AP information, determine included by the frequency range residing for described AP The weighted value of channel to be selected, wherein, described weighted value is that the degree that is disturbed based on this channel to be selected determines Value;

Obtain the multiple channel assignment scheme comprising described AP;

According to the weighted value of each channel to be selected, determine the power corresponding to the plurality of channel assignment scheme respectively Weight values;

According to the weighted value corresponding to channel assignment scheme, from the plurality of channel assignment scheme, it is defined as Described AP carries out the destination channel allocative decision needed for channel distribution.

On the other hand, embodiments provide a kind of channel dividing arrangement, be applied to wireless controller AC, Described device includes: first obtains module, first determine module, second obtain module, second determine module Module is determined with the 3rd;

Described first obtains module: for obtaining the AP information of the access point AP being in same frequency range, wherein, institute State the interference source information that AP information includes that corresponding AP scans;

Described first determines module: for according to the described interference source information included by each AP information, determine The weighted value of the channel to be selected included by the frequency range residing for described AP, wherein, described weighted value is for treat based on this Select the value that the degree that is disturbed of channel determines;

Described second obtains module: for obtaining the multiple channel assignment scheme comprising described AP;

Described second determines module: for the weighted value according to each channel to be selected, determine the plurality of respectively Weighted value corresponding to channel assignment scheme;

Described 3rd determines module: for according to the weighted value corresponding to channel assignment scheme, from the plurality of In channel assignment scheme, it is defined as described AP and carries out the destination channel allocative decision needed for channel distribution.

In this programme, determine the AP information of current AP according to current network conditions, for this secondary channel Assigning process, utilizes AP information that corresponding channel to be selected determines weighted value (based on being disturbed degree), and And, it is thus achieved that comprising multiple channel assignment scheme of this AP, be different from prior art, the plurality of channel distributes Scheme can determine entering before this channel assignment procedures, it is to avoid carry out in prior art simultaneously Scanning AP information and the step carrying out channel distribution, gained channel assignment scheme is subject to scanned AP information Impact, select an optimum channel difficulty determined very big, and select channel algorithm to be difficult to restrain, have Time even can be absorbed in the situation of loop computation.The channel assignment scheme determined in the embodiment of the present invention is by AP The impact of interference source information change included in information is little;Then, according to the power of each channel to be selected Weight values, determines the weighted value corresponding to the plurality of channel assignment scheme respectively;According to channel assignment scheme, institute is right The weighted value answered, is defined as this AP and carries out the destination channel allocative decision needed for channel distribution, to be embodied as AP Determine the more preferable optimum channel of stability.Certainly, arbitrary product or the method for implementing the present invention must be not necessarily Need to reach all the above advantage simultaneously.

Accompanying drawing explanation

In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to enforcement In example or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below In accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not paying On the premise of going out creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.

The schematic flow sheet of a kind of method for channel allocation that Fig. 1 is provided by the embodiment of the present invention;

The schematic flow sheet of a kind of mode for channel assignment that Fig. 2 is provided by the embodiment of the present invention;

The structural representation of a kind of channel dividing arrangement that Fig. 3 is provided by the embodiment of the present invention;

Another structural representation of a kind of channel dividing arrangement that Fig. 4 is provided by the embodiment of the present invention;

A kind of AP networking diagram that Fig. 5 is provided by the embodiment of the present invention.

Detailed description of the invention

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly Chu, be fully described by, it is clear that described embodiment be only a part of embodiment of the present invention rather than Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation The every other embodiment obtained under property work premise, broadly falls into the scope of protection of the invention.

Embodiments provide a kind of method for channel allocation and device, determine that stability is more being embodied as AP Good optimum channel.

A kind of method for channel allocation provided the embodiment of the present invention first below is introduced.

It should be noted that the channel assignment scheme that the embodiment of the present invention is provided can apply to controlled in wireless In device AC, the controlled range (same WLAN WLAN environment) for this AC is interior, this AC The AP information of the access point AP supporting 2.4G frequency range and 5G frequency range can be collected, and collecting AP AP information before, this AC has known the current registered and in running order AP in its controlled range The quantity of (supporting 2.4G frequency range and 5G frequency range) and the distance between it.

As it is shown in figure 1, a kind of channel assignment scheme that the embodiment of the present invention is provided, step can be included:

S101: obtaining the AP information of the access point AP being in same frequency range, wherein, this AP information includes corresponding The interference source information that AP scans;

It is understood that this interference source information can be arbitrary to launch wireless signal (such as: Wi-Fi hotspot Deng) equipment, this equipment can be mobile phone, computer and AP etc..Further, this AP information includes The interference source information that corresponding AP scans, i.e. this AP is about the interference source information of self.This interference source is believed Can include the relevant information of at least one interference source in breath, this relevant information includes but not limited to interference source Wireless network mode (802.11 associations of employing of place channel to be selected, the signal intensity of interference source and interference source Assess a bid for tender standard) etc., the kind of the interference source information that this AP is scanned is not defined by the embodiment of the present invention. This acquisition is in same frequency range and current registered and in running order (this AC is under default conditions Acquisition condition) the AP information of AP can use prior art, do not repeat at this.The embodiment of the present invention Not being defined the quantity of AP, this AP there may be one, it is also possible to exists multiple.

S102: according to this interference source information included by each AP information, determine the frequency range institute residing for this AP Including the weighted value of channel to be selected, wherein, this weighted value is that based on this channel to be selected to be disturbed degree true Fixed value;

Wherein, the interference source information that this each AP is scanned, can embody suffered by this each AP The annoyance level arrived, it is also possible to embody the letter to be selected included by this frequency range residing for each AP Road be disturbed degree.Can be according to annoyance level suffered by this each channel to be selected in the embodiment of the present invention, really The weighted value of each channel to be selected fixed, wherein, each weighted value corresponding to channel to be selected, and it is disturbed Degree can be directly proportional, it is also possible to is inversely proportional to, and i.e. to be disturbed degree the biggest for each channel to be selected, corresponding to it Weighted value the biggest, or, it is the biggest that its each channel to be selected is disturbed degree, its corresponding weighted value The least, this is all possible.The size of this weighted value can be arranged by management personnel, it is also possible to autonomous by AC Arrange.

S103: obtain the multiple channel assignment scheme comprising this AP;

It is emphasized that the step performing to obtain the AP information of the access point AP being in same frequency range at AC Before Zhou, it has been determined that complete this multiple channel assignment scheme comprising this AP, it is to be understood that for often One frequency range (2.4G and 5G), its channel to be selected comprised is fixing, AC by the communication with AP, It is known that existing AP, now, this AC can use prior art (such as random permutation and combination side Formula), determine multiple channel assignment scheme for this AP.At the AP obtaining the access point AP being in same frequency range After information (S101), directly obtain this multiple channel assignment scheme comprising this AP having had determined that, or Person, according to this interference source information included by each AP information, determines included by the frequency range residing for this AP Channel to be selected weighted value (S102) after, it is thus achieved that multiple channels that what this had had determined that comprise this AP divide Formula case, this is all possible.

S104: according to the weighted value of each channel to be selected, determines corresponding to the plurality of channel assignment scheme respectively Weighted value;

It is understood that this each channel assignment scheme all includes this AP information pair obtained The AP answered, and this AP each its required channel to be selected corresponding.Weight according to each channel to be selected Value, determines the weighted value corresponding to the plurality of channel assignment scheme, respectively i.e. according to each channel assignment scheme The weighted value of the channel to be selected included by, determines the weighted value corresponding to each channel assignment scheme, by Weighted value in this channel to be selected is that the degree that is disturbed based on this channel to be selected determines, therefore, and this each Weighted value corresponding to channel assignment scheme, it is also possible to embody its suffered annoyance level.

S105: according to the weighted value corresponding to channel assignment scheme, from the plurality of channel assignment scheme, really It is set to this AP and carries out the destination channel allocative decision needed for channel distribution.

It should be noted that the weighted value for each channel to be selected is all according to annoyance level suffered by it Determining, the size of this weighted value embodies the size of the degree that is disturbed of the channel to be selected of this correspondence, It is understood that when determining the weighted value corresponding to channel to be selected, corresponding to each channel to be selected Weighted value, can be directly proportional to suffered annoyance level, and now, the corresponding weighted value of channel to be selected is more Little, annoyance level suffered by it is the least, and further, channel assignment scheme is by treating needed for AP correspondence Select channel to form, then the weighted value corresponding to this channel assignment scheme is the least, shows this channel distribution side Case is the most excellent, then may determine that the channel assignment scheme of this corresponding weighted value minimum is destination channel distribution Scheme;Each weighted value corresponding to channel to be selected, when can be inversely proportional to suffered annoyance level, now, The corresponding weighted value of channel to be selected is the biggest, and annoyance level suffered by it is the least, further, and channel Allocative decision is made up of the channel to be selected needed for AP correspondence, then the power corresponding to this channel assignment scheme Weight values is the biggest, shows that this channel assignment scheme is the most excellent, then may determine that this corresponding weighted value maximum Channel assignment scheme is destination channel allocative decision.Or there is also the right of other weighted values and allocative decision Answer scheme, as long as it is the most permissible to obtain preferably destination channel allocative decision according to weighted value, the present invention To this without limitation.

The application embodiment of the present invention, determines the AP information of current AP according to current network conditions, for this Secondary channel assigning process, utilizes AP information that corresponding channel to be selected being determined, weighted value is (based on being disturbed journey Degree), and, it is thus achieved that comprise multiple channel assignment scheme of this AP, be different from prior art, the plurality of Channel assignment scheme can be determined before entering this channel assignment procedures, will not be by this AP information In the impact of entrained interference source information, it is to avoid prior art is scanned AP information simultaneously and carries out The step of channel distribution, gained channel assignment scheme is subject to the interference source information in scanned AP information Impact, selects an optimum channel difficulty determined very big, and selects channel algorithm to be difficult to restrain, sometimes Even can be absorbed in the situation of loop computation.The channel assignment scheme determined in the embodiment of the present invention is by AP The impact of the interference source information change included by information is little;Then, according to the weight of each channel to be selected Value, determines the weighted value corresponding to the plurality of channel assignment scheme respectively;Corresponding to channel assignment scheme Weighted value, be defined as this AP and carry out the destination channel allocative decision needed for channel distribution, to be embodied as AP Determine the more preferable optimum channel of stability.

Additionally, the method for channel allocation that the embodiment of the present invention is provided is not required to increase hardware device, The cost of implementation can't be increased.

In a kind of specific implementation, described acquisition comprises multiple channel assignment scheme (S103) of this AP, Including:

According to the channel to be selected included by the frequency range residing for default channel distribution principle and this AP, determine bag Multiple channel assignment scheme containing this AP, wherein, this channel distribution principle may include that

Allocated channel to be selected does not repeats, does not works as with apart from described with the previous AP of current AP to be allocated The channel to be selected at other AP places having distributed channel that front AP to be allocated is nearest repeats and has been allocated AP The channel prior to be selected of minimum number.

It should be noted that comprise multiple letters of this AP determined by default channel distribution principle Road allocative decision, covers and comprises all possible channel assignment scheme of this AP, this channel distribution principle Not by the shadow dynamically changing (i.e. interference source information change in AP information) of this WLAN environment Ring, the multiple channel assignment scheme utilizing this channel distribution principle to be determined, can be to enter this Determining before channel assignment procedures, therefore, the dynamically change of WLAN environment is to this channel assignment scheme Have little to no effect, and the interference source information in the AP information that this is obtained is for determining this AP institute The weighted value of the channel to be selected included by frequency range at place.It addition, when determining channel assignment scheme, permissible Identification information according to each AP is allocated, it is also possible to enter the AP that this AP information collected is corresponding Line number, wherein this numbering Existence and uniquenss.

Illustrate, these three parts included by channel distribution principle do not exist determine order, permissible According to practical situation, any adjustment order, wherein, determine based on experience value, preferably order be not with ought Before AP to be allocated the allocated channel to be selected of previous AP repeat, not with apart from this current AP to be allocated The channel to be selected at other nearest AP places having distributed channel repeats and has been allocated the minimum number of AP Channel prior to be selected.

It is understood that obtaining at least one AP's that is that be in same frequency range and that conform to a predetermined condition Before AP information, this AC has determined that the distance between each AP in its controlled range, for this AP it Between distance determine, can determine according to the distance parameter between AP, this distance parameter includes but not limited to AP Between RSSI (Received Signal Strength Indication, reception signal intensity instruction) value, Signal quality (include CINR and SINR, wherein, CINR:Carrier to Interference plus Noise Ratio, carrier wave and interference and noise ratio;SINR:Signal to Interference plus Noise Ratio, signal and interference and noise ratio), timing offset (timingoffset), frequency shift (FS) (frequencyoffset), user terminal location and terminal signaling incident angle etc..In like manner, right Answer the distance between AP and the interference source scanned, it is also possible to determine according to above-mentioned distance parameter.

As a example by a kind of AP networking diagram shown in Fig. 5, in conjunction with this channel distribution principle, sketch this The method for channel allocation that bright embodiment is provided, it is possible to understand that, in 2.4G frequency range, although 2.4G Frequency range has 1-13 totally 13 channels (channel to be selected), but due to the interval between channel center frequency Having 5MHz, therefore, real non-overlapped channel is little, general actually used middle meeting according to 1,6, 11 channel placement, individual cases can use 3,8,13 channels.With 1,6,11 channel placement, false If each AP shown in Fig. 5 all supports 2.4G frequency range (5G frequency range is in like manner), and shown in figure away from Distance parameter (such as RSSI value) between corresponding each AP.

The channel distribution principle preset according to this, determines channel distribution side for the AP1-AP5 shown in Fig. 5 Case is as shown in table 1,

Table 1

Wherein, to AP1 distribution channel A (as shown in table 1);

Distributing channel B to AP2, principle one is not (allocated with the previous AP of current AP to be allocated Channel to be selected repeats) AP2 can not distribute channel A, and principle two (has been allocated the treating of minimum number of AP Selecting channel prior) AC prioritizing selection distributed channel B or C that quantity is 0 of AP;

Distributing channel C to AP3, principle one AP3 can not distribute channel B;Principle three is not (with distance The channel to be selected at other AP places having distributed channel that this current AP to be allocated is nearest repeats) can not divide Join the channel A of the nearest AP1 of distance AP3 in addition to AP2;

Can not distribute channel C to AP4 distribution channel A, principle one AP4, principle three can not be distributed The channel B of the AP2 that distance AP4 is nearest in addition to AP3;

Can not distribute channel A to AP5 distribution channel B, principle one AP4, principle three can not be distributed The channel C of the AP3 that distance AP5 is nearest in addition to AP4.

In a kind of specific implementation, it is in the AP letter of the access point AP of same frequency range in described acquisition Before breath (S101), the method for channel allocation that the embodiment of the present invention is provided can also include:

Collecting the AP information of this AP, this AP information includes the radio band that corresponding AP is supported Information;

According to this radio band information, this AP is classified according to frequency range.

It is understood that this AC can collect the AP supporting 2.4G frequency range with 5G frequency range simultaneously AP information, AP can be divided into single-frequency AP and double frequency AP (i.e. according to supported frequency range simultaneously Can support that 2.4G frequency range can support again 5G frequency range), it is contemplated that dry suffered by each channel to be selected in each frequency range The degree disturbed, for double frequency AP, is classified as 5G frequency range, in actual applications, in 5G frequency range as far as possible Channel each to be selected suffered by annoyance level lower than annoyance level suffered by the channel each to be selected in 2.4G frequency range.

In a kind of specific implementation, when collecting the AP information of this AP, can be according to current network conditions In the quantity of AP, determine the mode collecting AP information;Wherein, when the number of the AP in this current network conditions During amount a predetermined level is exceeded, timesharing collection mode can be used to collect AP information;When in this current network conditions The quantity of AP not less than predetermined quantity time, collection mode simultaneously can be used to collect AP information.

Consider, when the quantity of the AP in current network conditions from efficiency and the empirical data of gather information During not less than predetermined quantity, collection mode collection AP information, i.e. this AC simultaneously can be used to control this institute and to deposit AP simultaneously feed back AP information to this AC;When the quantity of the AP in current network conditions exceedes predetermined During quantity, timesharing collection mode can be used to collect AP information, i.e. this AC by feedback on reservation algorithm controls This AP timesharing feeds back AP information to this AC, and this feedback on reservation algorithm can be (pseudo-) random algorithm.Lift For example, this predetermined quantity can be 8.

In a kind of specific implementation, as in figure 2 it is shown, described interference source information can include at least one Interference source place channel information to be selected;

According to the described interference source information included by each AP information, determine included by the frequency range residing for described AP The weighted value (S102) of channel to be selected include:

S201: according to predetermined assignment rule, is respectively this at least one interference source place channel to be selected, place The spaced channels of the adjacent channel of channel to be selected and place channel to be selected composes sub-weighted value, wherein, this sub-power Weight values includes the first sub-weighted value, the second sub-weighted value and the 3rd sub-weighted value, and this place channel to be selected is corresponding This first sub-weighted value, this adjacent channel to should the second sub-weighted value and this spaced channels to should the 3rd Sub-weighted value;

S202: for each channel to be selected, determines the intermediate weights value of this channel to be selected: each channel to be selected This corresponding first sub-weighted value long-pending, this second sub-weighted value with the first coefficient and the second coefficient amass with And the 3rd sub-weighted value and the 3rd coefficient long-pending and;

S203: for each channel to be selected, determine this channel to be selected according to the intermediate weights value of this channel to be selected Weighted value: intermediate weights value corresponding to this channel to be selected is with the 4th coefficient long-pending, as this channel to be selected Adjacent channel and the 5th coefficient long-pending and the spaced channels as this channel to be selected and the 6th coefficient amass and.

It is understood that there is the channel of interference source for each, it does not only exist co-channel interference, also deposits Disturbing in adjacent frequency, the embodiment of the present invention can only consider this interference source place channel to be selected, place channel to be selected The spaced channels of adjacent channel and place channel to be selected, its that consider farther interval can also be increased simultaneously His channel, this is all possible.For this first sub-weighted value, this second sub-weighted value and the 3rd son Weighted value, when the weighted value corresponding to each channel to be selected, when can be directly proportional to suffered annoyance level, deposits At the first sub-weighted value more than the second sub-weighted value, and the second sub-weighted value is more than the relation of the 3rd sub-weighted value, When the weighted value corresponding to each channel to be selected, when can be inversely proportional to suffered annoyance level, there is the first son Weighted value is less than the second sub-weighted value, and the second sub-weighted value is less than the relation of the 3rd sub-weighted value.For this First sub-weighted value, the second sub-weighted value, the 3rd sub-weighted value, the first coefficient, the second coefficient, the 3rd it is Number, the 4th coefficient, the 5th coefficient and the 6th coefficient can determine according to practical situation.Wherein, this place is treated Spaced channels all corresponding representatives theing select adjacent channel and the place channel to be selected of channel, place channel to be selected are treated Select channel.

Further, the co-channel interference and the adjacent frequency that fully take into account the interference source existing for interchannel are disturbed, for The weighted value that this channel to be selected finally determines, can be based on this channel to be selected and corresponding adjacent channel, Corresponding spaced channels determines.

It should be noted that according to this predetermined assignment rule, this different interference source place channels to be selected, institute At the spaced channels of adjacent channel and the place channel to be selected of channel to be selected, the most corresponding sub-weighted value Can be all identical, for example, in a certain WLAN environment, the AP information that AP is scanned be wrapped The interference source information included, shows there are two interference sources, respectively interference source A in this WLAN environment and do Disturb source B, according to predetermined assignment rule, for interference source A place channel to be selected, place channel to be selected adjacent The spaced channels of channel and place channel to be selected is entered as 3 (the first sub-weighted values), 2 (the second son power respectively Weight values), 1 (the 3rd sub-weighted value);For interference source B place channel, the adjacent channel of place channel and institute Spaced channels at channel can also be entered as respectively 3 (the first sub-weighted values), 2 (the second sub-weighted values), 1 (the 3rd sub-weighted value).

In a kind of specific implementation, as in figure 2 it is shown, described interference source information can also include this at least The signal intensity of one interference source;

Described for each channel to be selected, before determining the intermediate weights value (S202) of this channel to be selected, this The method for channel allocation that inventive embodiments is provided also includes:

S204: according to the signal intensity corresponding to interference source, for the predetermined figure that corresponding signal intensity is maximum The place channel to be selected of individual interference source, the interval of the adjacent channel of place channel to be selected and place channel to be selected Channel composes sub-weighted value again, and wherein, this sub-weighted value also includes the 4th sub-weighted value, the 5th sub-weighted value With the 6th sub-weighted value, this place channel to be selected to should the 4th sub-weighted value, this adjacent channel to should Five sub-weighted values and this spaced channels are to should the 6th sub-weighted value;

Described determine the intermediate weights value (S202) of this channel to be selected for each channel to be selected, including:

For each channel to be selected, determine this first sub-weighted value corresponding to each channel to be selected with this first Long-pending, this second sub-weighted value long-pending, the threeth sub-weighted value with this second coefficient of coefficient and the 3rd coefficient Long-pending, the 4th sub-weighted value long-pending, fiveth sub-weighted value with the 7th coefficient be with the 8th coefficient to be amassed, this 6th sub-weighted value and the 9th coefficient long-pending and.

Wherein, the 4th sub-weighted value, the 5th sub-weighted value and the 6th sub-weighted value can respectively with the first sons Weighted value, the second sub-weighted value and the 3rd sub-weighted value are identical, it is also possible to different, but, its corresponding relation It is identical, i.e. when the weighted value corresponding to each channel to be selected, when can be directly proportional to suffered annoyance level, There is the 4th sub-weighted value and be more than the 5th sub-weighted value, and the 5th sub-weighted value is more than the pass of the 6th sub-weighted value System, when the weighted value corresponding to each channel to be selected, when can be inversely proportional to suffered annoyance level, exists the Four sub-weighted values are less than the 5th sub-weighted value, and the 5th sub-weighted value is less than the relation of the 6th sub-weighted value, after Continuous the 7th sub-weighted value, the 8th sub-weighted value and the 9th sub-weighted value mentioned is in like manner.It is understood that 4th sub-weighted value, the 5th sub-weighted value, the 6th sub-weighted value, the 7th coefficient, the 8th coefficient, the 9th Coefficient and follow-up the tenth coefficient, the 11st coefficient and the 12nd coefficient can determine according to practical situation.

It should be noted that this interference source information can also include the signal intensity of this at least one interference source, (its place channel is properly termed as busy channel, other corresponding channels to the interference source stronger for signal intensity It is referred to as idle channel), it can be very big to the interference of neighbouring AP, therefore, in order to increase busy channel with empty The weighted value gap of idle channel, reduces the selected probability of the stronger interference source place channel of this signal intensity, Can be again the place channel to be selected of the interference source that signal intensity is stronger, place channel to be selected adjacent channel with And the spaced channels of place channel to be selected carries out assignment (composing sub-weighted value) again.

In a kind of specific implementation, as in figure 2 it is shown, described for each channel to be selected, determine this Before the intermediate weights value (S202) of channel to be selected, the method for channel allocation that the embodiment of the present invention is provided is also Including:

S205: for the signal intensity of at least one interference source included in each interference source information, respectively Determine the several interference source of pre-determined bit of maximum;

S206: when in the maximum several interference source of pre-determined bit determined respectively, when there is repetition interference source, for Between this repetition interference source place channel to be selected, the adjacent channel of place channel to be selected and place channel to be selected Again carrying out composing sub-weighted value every channel, wherein, this sub-weighted value also includes the 7th sub-weighted value, the 8th son Weighted value and the 9th sub-weighted value, this place channel to be selected is to should the 7th sub-weighted value, this adjacent channel pair Should the 8th sub-weighted value and this spaced channels to should the 9th sub-weighted value;

Described determine the intermediate weights value (S202) of this channel to be selected for each channel to be selected, including:

For each channel to be selected, determine described first sub-weighted value corresponding to each channel to be selected with this Long-pending, this second sub-weighted value of one coefficient is with this second coefficient to be amassed, the 3rd sub-weighted value with the 3rd is Long-pending, the 4th sub-weighted value of number long-pending, fiveth sub-weighted value and eightth coefficient with the 7th coefficient it Long-pending, the 6th sub-weighted value long-pending, seventh sub-weighted value with the 9th coefficient with the tenth coefficient long-pending, be somebody's turn to do Long-pending and the 9th sub-weighted value of the 8th sub-weighted value and the 11st coefficient and the 12nd coefficient amass and.

It is understood that when at least one interference source included in this interference source information, there is phase With interference source, and the signal intensity of this interference source is respectively positioned on the interference source in existing interference source information Maximum predetermined figure in, it is believed that this interference source for repeat interference source, may indicate that this interference source The annoyance level causing the AP of surrounding is relatively big, the most selected in order to increase surrounding's channel of this interference source The probability selected, to be selected for this interference source place channel to be selected, the adjacent channel of place channel to be selected and place The spaced channels of channel carries out composing sub-weighted value again.In one implements, can be as repeating interference It is adjacent that the condition in source also includes that this scans the AP of same interference source simultaneously.

It is understood that in a kind of specific implementation, above-mentioned three kinds of embodied sub-weighted values of tax, Can be to only exist the sub-weighted value mode of a kind of tax, it is also possible to there is multiple tax sub-weighted value mode, and when depositing When composing sub-weighted value mode for three kinds, the order of the two kinds of sub-weighted value modes of tax provided below is not entered Row limits.

Below by specific embodiment to shown in Fig. 2 for channel to be selected compose sub-weighted value (three kinds compose son Weighted value mode coexists) mode be introduced.

As a example by 2.4G frequency range, 5G frequency range is in like manner.Initialize 13 in the presence of 2.4G frequency range The weighted value of channel to be selected, is set to 0;As: in the interference source information that this AP scans, including 7 Individual interference source, lays respectively at 1,2,3,3,5,10,11 channels to be selected;To this interference source place First sub-weighted value+5 (because there is co-channel interference) of channel (being contained in channel to be selected), does this Disturb the second sub-weighted value+3 (because there is adjacent frequency interference) of the adjacent channel of place, source channel, this is done Disturb the 3rd sub-weighted value+1 of the spaced channels of place, source channel;First second son weighted value assignment such as following table 2, corresponding the first coefficient, the second coefficient, the 3rd coefficient, the 7th coefficient, the 8th coefficient, the 9th coefficient, Tenth coefficient, the 11st coefficient and the 12nd coefficient are 1;

Table 2

Channel 1 2 3 4 5 6 7 8 9 10 11 12 13 Initialize 0 0 0 0 0 0 0 0 0 0 0 0 0 Interference source 1 +5 +3 +1 Interference source 2 +3 +5 +3 +1 Interference source 3 +1 +3 +5 +3 +1 Interference source 4 +1 +3 +5 +3 +1 Interference source 5 +1 +3 +5 +3 +1 Interference source 6 +1 +3 +5 +3 +1 Interference source 7 +1 +3 +5 +3 +1 Weight 10 14 15 10 7 3 1 1 4 8 8 4 1

The interference source choosing first 5 in signal intensity sequence carries out assignment (composing sub-weighted value) again, According to the signal intensity of each interference source included in this interference source information, could be aware that interference source 1-5 Signal intensity relatively strong, lay respectively at 1,2,3,3,5 channels to be selected, the second second son weighted value is composed Value such as table 3 below, wherein, the 4th sub-weighted value, the 5th sub-weighted value and the 6th sub-weighted value are respectively with the One sub-weighted value, the second sub-weighted value and the 3rd sub-weighted value are identical;

Table 3

By prior art, the interference source information that AC is scanned according to this AP, can determine that 5 is to be selected Interference source existing for channel is scanned by two AP simultaneously, and the signal intensity of this interference source is relatively strong, Lay respectively at the maximum of the signal intensity of at least one interference source that corresponding two AP is scanned In predetermined figure, it is positioned at first 5, then in order to reduce being chosen the channel to be selected around this interference source Probability, carries out sub-weight assignment, the most sub-weighted value again to the channel to be selected around this interference source Assignment such as table 4, wherein, the 7th sub-weighted value, the 8th sub-weighted value and the 9th sub-weighted value respectively with the One sub-weighted value, the second sub-weighted value and the 3rd sub-weighted value are identical;

Table 4

Channel 1 2 3 4 5 6 7 8 9 10 11 12 13 Initialize 0 0 0 0 0 0 0 0 0 0 0 0 0 Interference source 1 +5 +3 +1 Interference source 2 +3 +5 +3 +1 Interference source 3 +1 +3 +5 +3 +1 Interference source 4 +1 +3 +5 +3 +1 Interference source 5 +1 +3 +5 +3 +1 Interference source 6 +1 +3 +5 +3 +1 Interference source 7 +1 +3 +5 +3 +1 Ranking 1 +5 +3 +1 Ranking 2 +3 +5 +3 +1 Ranking 3 +1 +3 +5 +3 +1 Ranking 4 +1 +3 +5 +3 +1 Ranking 5 +1 +3 +5 +3 +1 Common interference +1 +3 +5 +3 +1 Weight 20 28 31 23 19 9 3 1 4 8 8 4 1

After three second son weighted value assignment, the assigned result finally determined according to this, after can carrying out The flow process of the weighted value of continuous each channel to be selected of determination is (according to this each sub-weighted value and corresponding Coefficient, calculates intermediate weights value, and then calculates each weighted value corresponding to channel to be selected).

In a kind of specific implementation, due in same frequency range be in edge channel to be selected (as 1 channel to be selected in table 4), its corresponding adjacent channel only one of which, in application, the present invention implements The method for channel allocation that example is provided, when determining the weighted value of each channel to be selected, this is in edge The weighted value calculated of channel to be selected is clearly present calculating advantage (compared to being in the to be selected of centre Channel, it determines the factor negligible amounts of weighted value), at this point it is possible to for the letter to be selected being in edge Road, simulates an adjacent channel, reduces being in terms of the weighted value of channel to be selected at edge by this Calculation advantage.General, that the sub-weighted value assignment of this adjacent channel simulated can be corresponding with this place The sub-weighted value assignment of the adjacent channel of the opposite side of the channel to be selected in edge is identical.In table 4, For 1 channel to be selected, simulate 0 channel to be selected (adjacent channel), wherein, this 0 channel warp to be selected Cross the weighted value after three second son weighted value assignment, with 2 channels to be selected after three second son weighted value assignment Weighted value identical.

In a kind of specific implementation, can in conjunction with shown by table 1 for determined by AP1-AP5 Channel assignment scheme;

Between the weight * 60%+ of the weight * 100%+ adjacent channel of the weighted value of channel to be selected=place channel Weight * 20% every channel;Wherein, 100% is the 4th coefficient, and 60% is the 5th coefficient, and 20% is Six coefficients, this each coefficient can be adjusted according to practical situation.

The selected letter of the weighted value+AP2 of weighted value=AP1 selected channel that each channel assignment scheme is corresponding The selected letter of the weighted value+AP5 of the weighted value+AP4 selected channel of the weighted value+AP3 selected channel in road The weighted value in road;

The channel assignment scheme of corresponding table 1 gained, the weighted value that calculating gained is somebody's turn to do is as shown in table 5,

Table 5

Allocative decision AP1:A AP2:B AP3:C AP4:A AP5:B 1 1 channel=59.8 6 channel=27 11 channel=16.2 1 channel=59.8 6 channel=27 2 1 channel=59.8 11 channel=16.2 6 channel=27 1 channel=59.8 11 channel=16.2 3 6 channel=27 1 channel=59.8 11 channel=16.2 6 channel=27 1 channel=59.8 4 6 channel=27 11 channel=16.2 1 channel=59.8 6 channel=27 11 channel=16.2 5 11 channel=16.2 1 channel=59.8 6 channel=27 11 channel=16.2 1 channel=59.8 6 11 channel=16.2 6 channel=27 1 channel=59.8 11 channel=16.2 6 channel=27

According to table 5: the weighted value corresponding to channel assignment scheme 1 is 189.8;

Weighted value corresponding to channel assignment scheme 2 is 179;

Weighted value corresponding to channel assignment scheme 3 is 188.4;

Weighted value corresponding to channel assignment scheme 4 is 146.2;

Weighted value corresponding to channel assignment scheme 5 is 195;

Weighted value corresponding to channel assignment scheme 1 is 146.2;

Then may determine that the channel assignment scheme that channel assignment scheme 4 is corresponding weighted value minimum, really Determine channel assignment scheme 4 for destination channel allocative decision.In this programme, corresponding weighted value is with to be selected Channel is disturbed degree and is directly proportional, can be according to power corresponding to this each channel assignment scheme calculated Weight values, selects the channel assignment scheme that wherein corresponding weighted value is minimum, carries out channel distribution for this AP Required destination channel allocative decision.Wherein, corresponding weighted value is the least, shows this channel assignment scheme Included channel to be selected to be disturbed degree the least, the channel assignment scheme of this correspondence is the most excellent.

In one implementation, during distribution channel, it is possible that there is new AP to add Situation about entering, when there is the situation being newly added AP, distributes channel to prevent this to be newly added AP The impact of method, the method for channel allocation that the embodiment of the present invention is provided can also include:

When the AP detecting that residing frequency range is frequency range residing for this AP adds current network conditions, again Perform S101.

In one implementation, after having determined destination channel allocative decision, basis that can be follow-up This destination channel allocative decision is that this AP carries out channel distribution to be selected.

Corresponding to said method embodiment, the embodiment of the present invention additionally provides a kind of channel dividing arrangement, Can apply to wireless controller AC, as it is shown on figure 3, described device may include that the first acquisition module 301, First determines that module 302, second obtains module 303, second determines that module 304 and the 3rd determines module 305;

Described first obtains module 301: for obtaining the AP information of the access point AP being in same frequency range, wherein, Described AP information includes the interference source information that corresponding AP scans;

Described first determines module 302: be used for according to the described interference source information included by each AP information, really The weighted value of the fixed channel to be selected included by frequency range residing for described AP, wherein, described weighted value is based on this The value that the degree that is disturbed of channel to be selected determines;

Described second obtains module 303: for obtaining the multiple channel assignment scheme comprising described AP;

Described second determines module 304: for the weighted value according to each channel to be selected, determine described many respectively Weighted value corresponding to individual channel assignment scheme;

Described 3rd determines module 305: for according to the weighted value corresponding to channel assignment scheme, from described many In individual channel assignment scheme, it is defined as described AP and carries out the destination channel allocative decision needed for channel distribution.

The application embodiment of the present invention, determines the AP information of current AP according to current network conditions, for this Secondary channel assigning process, utilizes AP information that corresponding channel to be selected being determined, weighted value is (based on being disturbed journey Degree), and, it is thus achieved that comprise multiple channel assignment scheme of this AP, be different from prior art, the plurality of Channel assignment scheme can be determined before entering this channel assignment procedures, will not be by this AP information In the impact of entrained interference source information change, it is to avoid prior art is scanned simultaneously AP information and Carrying out the step of channel distribution, the interference source that gained channel assignment scheme is subject in scanned AP information is believed The impact of breath, selects an optimum channel difficulty determined very big, and selects channel algorithm to be difficult to restrain, The most even can be absorbed in the situation of loop computation, the channel assignment scheme determined in the embodiment of the present invention is subject to The impact of the interference source information included by AP information is little;Then, according to the weighted value of each channel to be selected, Determine the weighted value corresponding to the plurality of channel assignment scheme respectively;According to the power corresponding to channel assignment scheme Weight values, is defined as this AP and carries out the destination channel allocative decision needed for channel distribution, determines being embodied as AP The more preferable optimum channel of stability.

Additionally, the method for channel allocation that the embodiment of the present invention is provided is not required to increase hardware device, The cost of implementation can't be increased.

Concrete, described second obtains module 303, specifically for:

According to the channel to be selected included by the frequency range residing for default channel distribution principle and described AP, determine Comprising multiple channel assignment scheme of described AP, wherein, described channel distribution principle includes:

Not with the previous AP of current AP to be allocated allocated channel to be selected repeat, not with apart from described currently The channel to be selected at other AP places having distributed channel that AP to be allocated is nearest repeats and has been allocated the number of AP Measure minimum channel prior to be selected.

Concrete, described first obtains the AP letter that module 301 is in the access point AP of same frequency range in described acquisition Before breath, being additionally operable to collect the AP information of described AP, described AP information includes the nothing that corresponding AP is supported Line band information;

According to described radio band information, described AP is classified according to frequency range.

Concrete, based on Fig. 3, as shown in Figure 4, described interference source information includes at least one interference source institute At channel information to be selected;

Described device also includes the first assignment module 401;

Described first assignment module 401: for according to predetermined assignment rule, be respectively at least one interference described Place, source channel to be selected, the spaced channels of the adjacent channel of place channel to be selected and place channel to be selected compose son Weighted value, wherein, described sub-weighted value includes the first sub-weighted value, the second sub-weighted value and the 3rd sub-weight Value, corresponding described second son of the corresponding described first sub-weighted value of described place channel to be selected, described adjacent channel Weighted value and the corresponding described 3rd sub-weighted value of described spaced channels;

Described first determines module 302: determine the weighted value of channel to be selected included by the frequency range residing for described AP, Particularly as follows:

Determine the intermediate weights value of this channel to be selected: for each channel to be selected, determine each channel institute to be selected Corresponding described first sub-weighted value long-pending, described second sub-weighted value with the first coefficient and the second coefficient is amasss And described 3rd sub-weighted value and the 3rd coefficient long-pending and;

Intermediate weights value according to this channel to be selected determines the weighted value of this channel to be selected: for each letter to be selected Road, determines intermediate weights value that this channel to be selected is corresponding long-pending, phase as this to be selected channel with the 4th coefficient The intermediate weights value of side channel and the long-pending of the 5th coefficient and the middle power of the spaced channels as this channel to be selected Weight values and the 6th coefficient long-pending and.

Concrete, described interference source information also includes the signal intensity of at least one interference source described;

Described device also includes the second assignment module 402;

Described second assignment module 402: be used for described for each channel to be selected, determine this channel to be selected Before intermediate weights value, according to the signal intensity corresponding to interference source, for maximum pre-of corresponding signal intensity Position the place channel to be selected of several interference source, the adjacent channel of place channel to be selected and place channel to be selected Spaced channels again compose sub-weighted value, wherein, described sub-weighted value also include the 4th sub-weighted value, the 5th Sub-weighted value and the 6th sub-weighted value, described place channel to be selected corresponding described 4th sub-weighted value, described phase The corresponding described 5th sub-weighted value of side channel and the corresponding described 6th sub-weighted value of described spaced channels;

Described first determines module 302, determines the intermediate weights value of this channel to be selected, particularly as follows:

For each channel to be selected, determine that the described first sub-weighted value corresponding to each channel to be selected is with described Long-pending, the described second sub-weighted value of first coefficient long-pending, described threeth sub-weighted value with described second coefficient with Long-pending, described 4th sub-weighted value long-pending, the described fiveth sub-weighted value with the 7th coefficient of described 3rd coefficient and Long-pending, the described 6th sub-weighted value of 8th coefficient and the 9th coefficient amass and.

Concrete, described device also includes that the 4th determines module 403 and the 3rd assignment module 404;

Described 4th determines module 403: for at least one interference included in each interference source information The signal intensity in source, determines the several interference source of pre-determined bit of maximum respectively;

Described 3rd assignment module 404: in the maximum several interference source of pre-determined bit that ought determine respectively, deposit Repeat interference source time, for this repetition interference source place channel to be selected, place channel to be selected adjacent channel with And the spaced channels of place channel to be selected carries out composing sub-weighted value again, wherein, described sub-weighted value also includes 7th sub-weighted value, the 8th sub-weighted value and the 9th sub-weighted value, described place channel to be selected corresponding described the Described in the corresponding described 8th sub-weighted value of seven sub-weighted values, described adjacent channel and described spaced channels correspondence 9th sub-weighted value;

Described first determines module 302, determines the intermediate weights value of this channel to be selected, particularly as follows:

For each channel to be selected, determine that the described first sub-weighted value corresponding to each channel to be selected is with described Long-pending, the described second sub-weighted value of first coefficient long-pending, described threeth sub-weighted value with described second coefficient with Long-pending, described 4th sub-weighted value long-pending, the described fiveth sub-weight with described 7th coefficient of described 3rd coefficient Value long-pending, described sixth sub-weighted value with described nineth coefficient long-pending, described seventh son with described 8th coefficient Long-pending and described 9th son of weighted value and long-pending, the described 8th sub-weighted value of the tenth coefficient and the 11st coefficient is weighed Weight values and the 12nd coefficient long-pending and.

Concrete, described device also includes channel assignment module;

Described channel assignment module: for according to described destination channel allocative decision, to be selected for described AP distribution Channel.

For systems/devices embodiment, owing to it is substantially similar to embodiment of the method, so the ratio described Relatively simple, relevant part sees the part of embodiment of the method and illustrates.

It should be noted that in this article, the relational terms of such as first and second or the like be used merely to by One entity or operation separate with another entity or operating space, and not necessarily require or imply these Relation or the order of any this reality is there is between entity or operation.And, term " includes ", " comprising " Or its any other variant is intended to comprising of nonexcludability, so that include the mistake of a series of key element Journey, method, article or equipment not only include those key elements, but also other including being not expressly set out Key element, or also include the key element intrinsic for this process, method, article or equipment.Do not having In the case of more restrictions, statement " including ... " key element limited, it is not excluded that including described wanting Process, method, article or the equipment of element there is also other identical element.

One of ordinary skill in the art will appreciate that all or part of step realizing in said method embodiment The program that can be by completes to instruct relevant hardware, and described program can be stored in computer-readable Take in storage medium, the storage medium obtained designated herein, such as: ROM/RAM, magnetic disc, CD etc..

The foregoing is only presently preferred embodiments of the present invention, be not intended to limit protection scope of the present invention. All any modification, equivalent substitution and improvement etc. made within the spirit and principles in the present invention, are all contained in In protection scope of the present invention.

Claims (14)

1. a method for channel allocation, it is characterised in that be applied to wireless controller AC, described method includes:
Obtaining the AP information of the access point AP being in same frequency range, wherein, described AP information includes corresponding AP The interference source information scanned;
According to the described interference source information included by each AP information, determine included by the frequency range residing for described AP The weighted value of channel to be selected, wherein, described weighted value is that the degree that is disturbed based on this channel to be selected determines Value;
Obtain the multiple channel assignment scheme comprising described AP;
According to the weighted value of each channel to be selected, determine the power corresponding to the plurality of channel assignment scheme respectively Weight values;
According to the weighted value corresponding to channel assignment scheme, from the plurality of channel assignment scheme, it is defined as Described AP carries out the destination channel allocative decision needed for channel distribution.
Method the most according to claim 1, it is characterised in that described acquisition comprises the multiple of described AP Channel assignment scheme, including:
According to the channel to be selected included by the frequency range residing for default channel distribution principle and described AP, determine Comprising multiple channel assignment scheme of described AP, wherein, described channel distribution principle includes:
Not with the previous AP of current AP to be allocated allocated channel to be selected repeat, not with apart from described currently The channel to be selected at other AP places having distributed channel that AP to be allocated is nearest repeats and has been allocated the number of AP Measure minimum channel prior to be selected.
Method the most according to claim 1, it is characterised in that be in connecing of same frequency range in described acquisition Before the AP information of access point AP, described method also includes:
Collecting the AP information of described AP, described AP information includes the radio band information that corresponding AP is supported;
According to described radio band information, described AP is classified according to frequency range.
Method the most according to claim 1, it is characterised in that described interference source information includes at least one Individual interference source place channel information to be selected;
According to the described interference source information included by each AP information, determine included by the frequency range residing for described AP The weighted value of channel to be selected, including:
According to predetermined assignment rule, it is respectively at least one interference source place channel to be selected described, place to be selected The spaced channels of the adjacent channel of channel and place channel to be selected composes sub-weighted value, wherein, described sub-weight Value includes the first sub-weighted value, the second sub-weighted value and the 3rd sub-weighted value, and described place channel to be selected is corresponding The corresponding described second sub-weighted value of described first sub-weighted value, described adjacent channel and described spaced channels pair Should described 3rd sub-weighted value;
For each channel to be selected, determine the intermediate weights value of this channel to be selected: corresponding to each channel to be selected Described first sub-weighted value and long-pending, the described second sub-weighted value of the first coefficient and the second coefficient amass and Described 3rd sub-weighted value and the 3rd coefficient long-pending and;
For each channel to be selected, determine the weight of this channel to be selected according to the intermediate weights value of this channel to be selected Value: intermediate weights value that this channel to be selected is corresponding is with the 4th coefficient to be amassed, as the adjacent letter of this channel to be selected The intermediate weights value in road and the long-pending of the 5th coefficient and the intermediate weights value of the spaced channels as this channel to be selected With the long-pending of the 6th coefficient and.
Method the most according to claim 4, it is characterised in that described interference source information also includes described The signal intensity of at least one interference source;
Described for each channel to be selected, before determining the intermediate weights value of this channel to be selected, described method is also Including:
According to the signal intensity corresponding to interference source, for the several interference of pre-determined bit that corresponding signal intensity is maximum The place channel to be selected in source, the adjacent channel of place channel to be selected and place channel to be selected spaced channels again The sub-weighted value of secondary tax, wherein, described sub-weighted value also includes the 4th sub-weighted value, the 5th sub-weighted value and Six sub-weighted values, described place channel to be selected corresponding described 4th sub-weighted value, described adjacent channel correspondence institute State the 5th sub-weighted value and the corresponding described 6th sub-weighted value of described spaced channels;
Described determine the intermediate weights value of this channel to be selected for each channel to be selected, including:
For each channel to be selected, determine that the described first sub-weighted value corresponding to each channel to be selected is with described Long-pending, the described second sub-weighted value of first coefficient long-pending, described threeth sub-weighted value with described second coefficient with Long-pending, described 4th sub-weighted value long-pending, the described fiveth sub-weighted value with the 7th coefficient of described 3rd coefficient and Long-pending, the described 6th sub-weighted value of 8th coefficient and the 9th coefficient amass and.
Method the most according to claim 5, it is characterised in that described for each channel to be selected, Before determining the intermediate weights value of this channel to be selected, described method also includes:
For the signal intensity of at least one interference source included in each interference source information, determine respectively The several interference source of big pre-determined bit;
When in the maximum several interference source of pre-determined bit determined respectively, when there is repetition interference source,
For this repetition interference source place channel to be selected, the adjacent channel of place channel to be selected and place letter to be selected The spaced channels in road carries out composing sub-weighted value again, wherein, described sub-weighted value also include the 7th sub-weighted value, 8th sub-weighted value and the 9th sub-weighted value, described place channel to be selected corresponding described 7th sub-weighted value, institute State the corresponding described 8th sub-weighted value of adjacent channel and the corresponding described 9th sub-weighted value of described spaced channels;
Described determine the intermediate weights value of this channel to be selected for each channel to be selected, including:
For each channel to be selected, determine that the described first sub-weighted value corresponding to each channel to be selected is with described Long-pending, the described second sub-weighted value of first coefficient long-pending, described threeth sub-weighted value with described second coefficient with Long-pending, described 4th sub-weighted value long-pending, the described fiveth sub-weight with described 7th coefficient of described 3rd coefficient Value long-pending, described sixth sub-weighted value with described nineth coefficient long-pending, described seventh son with described 8th coefficient Long-pending and described 9th son of weighted value and long-pending, the described 8th sub-weighted value of the tenth coefficient and the 11st coefficient is weighed Weight values and the 12nd coefficient long-pending and.
7. according to the method described in any one of claim 1-6, it is characterised in that also include:
According to described destination channel allocative decision, distribute channel to be selected for described AP.
8. a channel dividing arrangement, it is characterised in that be applied to wireless controller AC, described device includes: First obtain module, first determine module, second obtain module, second determine that module and the 3rd determines module;
Described first obtains module: for obtaining the AP information of the access point AP being in same frequency range, wherein, institute State the interference source information that AP information includes that corresponding AP scans;
Described first determines module: for according to the described interference source information included by each AP information, determine The weighted value of the channel to be selected included by the frequency range residing for described AP, wherein, described weighted value is for treat based on this Select the value that the degree that is disturbed of channel determines;
Described second obtains module: for obtaining the multiple channel assignment scheme comprising described AP;
Described second determines module: for the weighted value according to each channel to be selected, determine the plurality of respectively Weighted value corresponding to channel assignment scheme;
Described 3rd determines module: for according to the weighted value corresponding to channel assignment scheme, from the plurality of In channel assignment scheme, it is defined as described AP and carries out the destination channel allocative decision needed for channel distribution.
Device the most according to claim 8, it is characterised in that described second obtains module, specifically uses In:
According to the channel to be selected included by the frequency range residing for default channel distribution principle and described AP, determine Comprising multiple channel assignment scheme of described AP, wherein, described channel distribution principle includes:
Not with the previous AP of current AP to be allocated allocated channel to be selected repeat, not with apart from described currently The channel to be selected at other AP places having distributed channel that AP to be allocated is nearest repeats and has been allocated the number of AP Measure minimum channel prior to be selected.
Device the most according to claim 8, it is characterised in that described first obtains module obtains described Before the AP information of the access point AP that must be in same frequency range, it is additionally operable to collect the AP information of described AP, described AP information includes the radio band information that corresponding AP is supported;
According to described radio band information, described AP is classified according to frequency range.
11. devices according to claim 8, it is characterised in that described interference source information includes at least one Individual interference source place channel information to be selected;
Described device also includes the first assignment module;
Described first assignment module: for according to predetermined assignment rule, be respectively at least one interference source described Place channel to be selected, the spaced channels of the adjacent channel of place channel to be selected and place channel to be selected compose son power Weight values, wherein, described sub-weighted value includes the first sub-weighted value, the second sub-weighted value and the 3rd sub-weighted value, The corresponding described first sub-weighted value of described place channel to be selected, the corresponding described second sub-weight of described adjacent channel Value and the corresponding described 3rd sub-weighted value of described spaced channels;
Described first determines module: determine the weighted value of channel to be selected included by the frequency range residing for described AP, Particularly as follows:
Determine the intermediate weights value of this channel to be selected: for each channel to be selected, determine each channel institute to be selected Corresponding described first sub-weighted value long-pending, described second sub-weighted value with the first coefficient and the second coefficient is amasss And described 3rd sub-weighted value and the 3rd coefficient long-pending and;
Intermediate weights value according to this channel to be selected determines the weighted value of this channel to be selected: for each letter to be selected Road, determines intermediate weights value that this channel to be selected is corresponding long-pending, phase as this to be selected channel with the 4th coefficient The intermediate weights value of side channel and the long-pending of the 5th coefficient and the middle power of the spaced channels as this channel to be selected Weight values and the 6th coefficient long-pending and.
12. devices according to claim 11, it is characterised in that described interference source information also includes institute State the signal intensity of at least one interference source;
Described device also includes the second assignment module;
Described second assignment module: be used for described for each channel to be selected, determine in this channel to be selected Between before weighted value, according to the signal intensity corresponding to interference source, for corresponding signal intensity maximum predetermined The place channel to be selected of figure place interference source, the adjacent channel of place channel to be selected and place channel to be selected Spaced channels composes sub-weighted value again, and wherein, described sub-weighted value also includes the 4th sub-weighted value, the 5th son Weighted value and the 6th sub-weighted value are the corresponding described 4th sub-weighted value of described place channel to be selected, described adjacent The corresponding described 5th sub-weighted value of channel and the corresponding described 6th sub-weighted value of described spaced channels;
Described first determines module, determines the intermediate weights value of this channel to be selected, particularly as follows:
For each channel to be selected, determine that the described first sub-weighted value corresponding to each channel to be selected is with described Long-pending, the described second sub-weighted value of first coefficient long-pending, described threeth sub-weighted value with described second coefficient with Long-pending, described 4th sub-weighted value long-pending, the described fiveth sub-weighted value with the 7th coefficient of described 3rd coefficient and Long-pending, the described 6th sub-weighted value of 8th coefficient and the 9th coefficient amass and.
13. devices according to claim 12, it is characterised in that described device also includes that the 4th determines Module and the 3rd assignment module;
Described 4th determines module: for at least one interference source included in each interference source information Signal intensity, determine respectively maximum the several interference source of pre-determined bit;
Described 3rd assignment module: in the maximum several interference source of pre-determined bit that ought determine respectively, exist Repeat interference source time, for this repetition interference source place channel to be selected, the adjacent channel of place channel to be selected and The spaced channels of place channel to be selected carries out composing sub-weighted value again, and wherein, described sub-weighted value also includes Seven sub-weighted values, the 8th sub-weighted value and the 9th sub-weighted value, described place channel to be selected corresponding described 7th The corresponding described 8th sub-weighted value of sub-weighted value, described adjacent channel and described spaced channels corresponding described the Nine sub-weighted values;
Described first determines module, determines the intermediate weights value of this channel to be selected, particularly as follows:
For each channel to be selected, determine that the described first sub-weighted value corresponding to each channel to be selected is with described Long-pending, the described second sub-weighted value of first coefficient long-pending, described threeth sub-weighted value with described second coefficient with Long-pending, described 4th sub-weighted value long-pending, the described fiveth sub-weight with described 7th coefficient of described 3rd coefficient Value long-pending, described sixth sub-weighted value with described nineth coefficient long-pending, described seventh son with described 8th coefficient Long-pending and described 9th son of weighted value and long-pending, the described 8th sub-weighted value of the tenth coefficient and the 11st coefficient is weighed Weight values and the 12nd coefficient long-pending and.
14. devices described in-13 any one according to Claim 8, it is characterised in that described device also includes letter Road distribution module;
Described channel assignment module: for according to described destination channel allocative decision, to be selected for described AP distribution Channel.
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