CN103002547A - Access point accessing method, terminal and access point equipment - Google Patents

Abstract

An embodiment of the invention discloses an access point accessing method, a terminal and access point equipment, which are used for balancing load among different access points and guaranteeing quality of service of communication between a terminal and the access points. The access point accessing method includes that the terminal acquires total residual channel capacity of each access point in N basic service set (BSS) networks, wherein the terminal is positioned in a common area of the N BSS networks, the N is a natural number larger than 1; and then the terminal selects the access point with the maximum total residual channel capacity from the access points of the N BSS networks to access.

Description

A kind of method, terminal and access point apparatus that accesses access point

The application require on September 15th, 2011 submit that Patent Office of the People's Republic of China, application number are 2011102752076 to, denomination of invention is the priority of the Chinese patent application of " a kind of method, terminal and access point apparatus that accesses access point ", its full content is by reference in conjunction with in this application.

Technical field

The present invention relates to communication technical field, relate in particular to a kind of method, terminal and access point apparatus that accesses access point.

Background technology

At (the IEEE of institute of Electrical and Electronic Engineers, Institute of electrical and electronics engineers) stipulate in the 802.11ac agreement: Basic Service Set (BSS, Basic Service Set) be to form by having certain related website (STA, Station) within a certain particular coverage.Only have a central location with full-time administrative BSS to be called as access point (AP in the BSS network, Access Point), and be not that other website of AP is referred to as terminal in the BSS network, also be referred to as non-access some website (the English non-AP of abbreviation STA).

In the time of under the zone that a non-AP STA is in a plurality of BSS networks covers, if non-AP STA need to communicate by letter with access point, at first non-AP STA can scan, seen which AP can provide service for this non-AP STA, if do not have AP service is provided stops for this non-AP STA, if only have an AP to provide service for this non-AP STA this non-AP STA directly accesses this AP, if there are a plurality of AP to provide service for this non-AP STA, this non-AP STA selects the strongest AP access of signal.

But for existing like this access scheme, when existing a plurality of AP to provide service for a non-AP STA, non-AP STA can select the strongest AP of signal to access, if but the AP channel that signal is the strongest at this moment is busy, at this moment still access this AP, can aggravate the load imbalance between each AP, and because this AP channel is busy, the service quality (QoS, Quality of Service) of can affect communicating by letter between non-AP STA and this AP.

Summary of the invention

The embodiment of the present invention provides a kind of method, terminal and access point apparatus that accesses access point, and the load between can each AP of balance guarantees the service quality of communicating by letter between non-AP STA and AP.

On the one hand, a kind of method that accesses access point that the embodiment of the present invention provides comprises:

Terminal is obtained the total surplus channel capacity capacity of each access point in N basic access set BSS network, and described terminal is arranged in the public domain of described N BSS network, and N is the natural number greater than 1;

Select the access point access of total surplus channel capacity maximum in the access point of described terminal from N BSS network.

On the other hand, a kind of method that accesses access point that the embodiment of the present invention provides comprises:

Terminal receives the total channel utilance that the access point in N Basic Service Set BSS network is broadcasted separately, and described terminal is arranged in the public domain of N BSS network, and N is the natural number greater than 1;

If the minimum value in the total channel utilance of the access point in described N BSS network is less than the utilance threshold value that presets, described terminal is selected the access point access of total channel utilance minimum.

On the other hand, a kind of method that accesses access point that the embodiment of the present invention provides comprises:

Access point in Basic Service Set BSS network obtains the total channel utilance of described access point;

If described total channel utilance is greater than the utilance threshold value that presets, described access point is revised as the utilance thresholding with the value of described total channel utilance, and the terminal in described BSS network sends.

On the one hand, a kind of terminal that the embodiment of the present invention provides comprises:

Processing unit is used for obtaining N the total surplus channel capacity capacity of each access point of access set BSS network substantially, and described terminal is arranged in the public domain of described N BSS network, and N is the natural number greater than 1;

Access unit is used for selecting the access point access of total surplus channel capacity maximum from the access point of N BSS network.

On the other hand, a kind of terminal that the embodiment of the present invention provides comprises:

Receiving element, for the total channel utilance that the access point that receives N Basic Service Set BSS network is broadcasted separately, described terminal is arranged in the public domain of N BSS network, and N is the natural number greater than 1;

Access unit is used for when the minimum value in the total channel utilance of the access point of described N BSS network during less than the utilance threshold value that presets, and the access point of selection total channel utilance minimum accesses.

On the one hand, the access point apparatus in a kind of basic service set networks that the embodiment of the present invention provides comprises:

Processing unit is for the total channel utilance of obtaining described access point;

Transmitting element is used for when described total channel utilance during greater than the utilance threshold value that presets, and the value of described total channel utilance is revised as the utilance thresholding, and the terminal transmission in the described BSS network.

On the other hand, a kind of method that accesses access point that the embodiment of the present invention provides comprises:

Access point in Basic Service Set BSS network generates forbids the access sign, describedly forbids that the access sign is used for forbidding the terminal described access point of access or forbids that terminal is presetting the described access point of access on bandwidth;

Described access point is broadcasted the described access sign of forbidding in beacon frame beacon, so that the terminal that listens to described beacon frame is no longer no longer initiated access to described access point to the terminal that described access point is initiated access or listened to described beacon frame described presetting on bandwidth.

On the other hand, a kind of method that accesses access point that the embodiment of the present invention provides comprises:

Terminal intercept in Basic Service Set BSS network access point beacon frame beacon broadcasting forbid the access sign, describedly forbid that the access sign is used for forbidding the terminal described access point of access or forbids that terminal is presetting the described access point of access on bandwidth;

Forbid accessing marking terminal no longer to described access point initiation access according to described, or terminal is no longer initiated access to described access point described presetting on bandwidth.

On the one hand, the access point apparatus in a kind of basic service set networks that the embodiment of the present invention provides comprises:

Generation unit be used for to generate and to forbid the access sign, describedly forbids that the access sign is used for forbidding the terminal described access point of access or forbids that terminal is presetting the described access point of access on bandwidth;

Radio unit, be used for forbidding the access sign beacon frame beacon broadcasting is described, so that the terminal that listens to described beacon frame is no longer no longer initiated access to described access point to the terminal that described access point is initiated access or listened to described beacon frame described presetting on bandwidth.

On the other hand, a kind of terminal that the embodiment of the present invention provides comprises:

Intercept the unit, the access point that is used for intercepting Basic Service Set BSS network is forbidden the access sign beacon frame beacon broadcasting, describedly forbids that the access sign is used for forbidding the terminal described access point of access or forbids that terminal is presetting the described access point of access on bandwidth;

Forbid the unit, be used for forbidding accessing marking terminal no longer to described access point initiation access according to described, or terminal is no longer initiated access to described access point described presetting on bandwidth.

As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages:

The method of the access access point that the embodiment of the present invention provides, in one of them embodiment, terminal can get the total surplus channel capacity of each access point in a plurality of BSS networks of common this terminal of covering, thereby can select the access point access of total surplus channel capacity maximum, balance the load between each access point, due to terminal access in the embodiment of the present invention be the terminal of total surplus channel capacity maximum, guaranteed the service quality of communicating by letter between terminal and access point.

In another embodiment, terminal receives the total channel utilance that the access point in a plurality of BSS networks that jointly cover this terminal is broadcasted separately, if the minimum value in the total channel utilance of the access point in a plurality of BSS networks is less than the utilance threshold value that presets, terminal is selected the access point access of total channel utilance minimum.Load between can each access point of balance, due to terminal access in the embodiment of the present invention be the terminal of total channel utilance minimum, guaranteed the service quality of communicating by letter between terminal and access point.

In another embodiment, for the access point in the BSS network, if the total channel utilance of this access point greater than the utilance threshold value that presets, this access point is revised as the utilance thresholding with the value of total channel utilance, and the terminal in the BSS network sends.Because access point is revised as the utilance thresholding with the value of total channel utilance, then send to the terminal in the BSS network, terminal will be after receiving this utilance thresholding, to can not select this access point access, load between can each access point of balance has guaranteed the service quality of communicating by letter between non-AP STA and AP simultaneously.

In another embodiment of the present invention, access point can be when not wishing the terminal access or do not wish that terminal accesses on specific bandwidth, forbid the access sign by generation, no longer access this access point or terminal and no longer initiate access to this access point presetting on bandwidth so that listen to the terminal of beacon frame, guaranteed the service quality of communicating by letter between terminal and access point.

Description of drawings

In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, during the below will describe embodiment, the accompanying drawing of required use is done to introduce simply, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, to those skilled in the art, can also obtain according to these accompanying drawings other accompanying drawing.

A kind of schematic diagram that accesses the method for access point that Fig. 1 provides for the embodiment of the present invention;

The another kind that Fig. 2 provides for the embodiment of the present invention accesses the schematic diagram of the method for access point;

The another kind that Fig. 3 provides for the embodiment of the present invention accesses the schematic diagram of the method for access point;

The another kind that Fig. 4 provides for the embodiment of the present invention accesses the schematic diagram of the method for access point;

The schematic diagram of a kind of terminal that Fig. 5 provides for the embodiment of the present invention;

The schematic diagram of the another kind of terminal that Fig. 6 provides for the embodiment of the present invention;

The schematic diagram of a kind of access point apparatus that Fig. 7 provides for the embodiment of the present invention;

The another kind that Fig. 8 provides for the embodiment of the present invention accesses the method for access point;

Fig. 8 a is the schematic diagram of a kind of frame structure of access control instruction in the embodiment of the present invention;

Fig. 8 b is the schematic diagram of the another kind of frame structure of access control instruction in the embodiment of the present invention;

The another kind that Fig. 9 provides for the embodiment of the present invention accesses the method for access point;

The schematic diagram of the another kind of access point apparatus that Figure 10 provides for the embodiment of the present invention;

The schematic diagram of the another kind of terminal that Figure 11 provides for the embodiment of the present invention.

Embodiment

The embodiment of the present invention provides a kind of method, terminal and access point apparatus that accesses access point apparatus, and the load between can each access point of balance guarantees the service quality of communicating by letter between terminal and access point.

For make goal of the invention of the present invention, feature, advantage can be more obvious and understandable, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, the embodiments described below are only the present invention's part embodiment, but not whole embodiment.Based on the embodiment in the present invention, the every other embodiment that those skilled in the art obtains belongs to the scope of protection of the invention.

A kind of method that accesses access point that the embodiment of the present invention provides as shown in Figure 1, comprising:

101, terminal is obtained the total surplus channel capacity capacity of each access point in N BSS network, and this terminal is arranged in the public domain of N BSS network, and N is the natural number greater than 1.

In embodiments of the present invention, terminal (is called non-AP STA for short below in inventive embodiments, also be referred to as non-access some website) be under N the public domain covering in the BSS network, N is the natural number greater than 1, for example when N was 3, non-AP STA just was under 3 public domains coverings in the BSS network.

When terminal is in the public domain of N BSS network, terminal can be obtained the total surplus channel capacity of this N each access point (being called AP below in inventive embodiments for short) in the BSS network, wherein, the total surplus channel capacity of AP refers in a BSS network for AP also remaining channel capacity, if the total surplus channel capacity is more, represent that AP is more idle at this moment, if the total surplus channel capacity is fewer, represent that AP is just busier at this moment.

102, select the access point access of total surplus channel capacity maximum in the access point of terminal from N BSS network.

Wherein, terminal is arranged in the public domain of N BSS network, and N is the natural number greater than 1.

In embodiments of the present invention, when the total surplus channel capacity that non-AP STA gets N the access point in the BSS network, then select the access point access of total surplus channel capacity maximum.Wherein, non-APSTA is in N the public domain in the BSS network.

The method of the access access point that the embodiment of the present invention provides, non-AP STA can get the total surplus channel capacity of each AP, thereby can select the access point access of total surplus channel capacity maximum, balance the load between each AP, due to terminal access in the embodiment of the present invention be the terminal of total surplus channel capacity maximum, guaranteed the service quality of communicating by letter between non-AP STA and AP.

The below as shown in Figure 2, can comprise with the method that a detailed embodiment introduces the another kind access access point that the embodiment of the present invention provides:

201, terminal according to the channel occupancy ratio of 40MHz bandwidth, the channel occupancy ratio of 80MHz bandwidth, the channel occupancy ratio of 160MHz bandwidth, is obtained the channel occupancy ratio of 20MHz bandwidth.

AP in BSS network broadcasts its loading condition by the non-AP STA of Basic Service Set load frames form (English full name is Extended BSS Load element format) in the BSS network of Basic Service Set load frames form (English full name is BSS Load element format) and expansion, sees also shown in table 1 and table 2.

Table 1 is the content of BSS Load element format

Table 2 is the content of Extended BSS Load element format

Non-AP STA just can obtain the channel occupancy ratio of 40MHz bandwidth, the channel occupancy ratio of 80MHz bandwidth, the channel occupancy ratio of 160MHz bandwidth by the Extended BSS Load element format that AP broadcasts.Non-AP STA just can get the channel occupancy ratio of 20MHz bandwidth then by the channel occupancy ratio of these bandwidth.Need to prove, can to refer to independent bandwidth be 160MHz to the 160MHz bandwidth in embodiments of the present invention, also can refer to common (80+80) MHz bandwidth that forms of two 80MHz bandwidth, is not construed as limiting herein.

In actual applications, the channel occupancy ratio Forty MHz Utilization of 40MHz bandwidth is specifically as follows expression formula (1):

Wherein, channel busy time be in timing statistics the occupied time of channel, busy_bandwidth_40 is the time of 40MHz bandwidth occupancy.Wherein, channel busy time refers in timing statistics each bandwidth time of busy channel altogether, and each bandwidth refers to 20MHz bandwidth, 40MHz bandwidth, 80MHz bandwidth, 160MHz bandwidth.

The channel occupancy ratio Eighty MHz Utilization of 80MHz bandwidth is specifically as follows expression formula (2):

Wherein, busy_bandwidth_80 is the time of 80MHz bandwidth occupancy.

160MHz or (80+80) the channel occupancy ratio Hundred Sixty MHz Utilization of MHz bandwidth be specifically as follows expression formula (3):

Busy_bandwidth_160 is 160MHz or (80+80) time of MHz bandwidth occupancy.

Need to prove, the Forty MHz Utilization that expression formula (1), (2), (3) obtain, Eighty MHz Utilization, Hundred Sixty MHz Utilization are specifically calculated by expression formula (1), (2), (3) by terminal, send to terminal after also can being calculated by expression formula (1), (2), (3) by AP, do not limit herein.

After obtaining respectively Forty MHz Utilization, Eighty MHz Utilization, Hundred Sixty MHz Utilization by expression formula (1), (2), (3), the channel occupancy ratio Twenty MHz Utilization that non-AP STA obtains the 20MHz bandwidth passes through following expression (4):

Twenty?MHz?Utilization＝255-Forty?MHz?Utilization

-Eighty?MHz?Utilization

-Hundred?Sixty?MHz?Utilization

202, non-AP STA according to total channel utilance, the not utilization rate of space division multiplexing stream, the channel occupancy ratio of 20MHz bandwidth, calculates the residue channel capacity of the 20MHz bandwidth of transmit time segments.

in embodiments of the present invention, non-AP STA can access total channel utilance (English full name is Channel Utilization) by the channel utilization in table 1, wherein, the total channel utilance refers to the 20MHz bandwidth, the 40MHz bandwidth, the 80MHz bandwidth, the utilance of 160MHz bandwidth to channel, non-AP STA can access the not utilization rate (English full name is Spatial Stream Under-Utilization) of space division multiplexing stream by table 2, the channel occupancy ratio of the 20MHz bandwidth that then obtains in integrating step 201, calculate the residue channel capacity of the 20MHz bandwidth of transmit time segments.

In actual applications, Channel Utilization is the total channel utilance, is specifically as follows expression formula (5):

$\mathrm{ChannelUtilization}=\mathrm{Integer}\left(\frac{255*\mathrm{channelbusytime}}{N\_\mathrm{beacon}*P\_\mathrm{beacon}*1024}\right)$

Wherein, N_beacon is the number of the interior beacon frame that sends of timing statistics (the English beacon of being), and P_beacon is for sending the gap periods duration of beacon frame.

Spatial Stream Under-Utilization is the not utilization rate of space division multiplexing stream, is specifically as follows expression formula (6):

Wherein, max_sup ported_N _ssBe the maximum of the space division multiplexing fluxion that can use, the time that utilized_ss_time takies for the space division multiplexing stream that has used, utilized_ss_time satisfies following expression (7):

$\mathrm{utilized}\_\mathrm{ss}\_\mathrm{time}=\underset{i=1}{\overset{N}{\mathrm{\Σ}}}{T}_i\·N_{\mathrm{STS},i}$

N _{STS, i}It is the time T in timing statistics _iThe space division multiplexing fluxion of interior use.

Obtain Channel Utilization and Spatial Stream Under-Utilization by expression formula (5), (6), the Twenty MHz Utilization that expression formula in integrating step 201 (4) obtains, non-AP STA calculates the residue channel capacity V of the 20MHz bandwidth of transmit time segments _{20, sendingLeft}, specifically can obtain V by following expression (8) _{20, sendingLeft}:

$V_{20,\mathrm{sendingLeft}}=\frac{\mathrm{ChannelUtilization}*\mathrm{SpatialStreamUnder}-\mathrm{Utilization}*\mathrm{TwentyMHzUtilization}}{255*255*255}$

203, non-AP STA according to total channel utilance, the not utilization rate of space division multiplexing stream, the channel occupancy ratio of 40MHz bandwidth, calculates the residue channel capacity of the 40MHz bandwidth of transmit time segments.

Calculate the residue channel capacity of the 40MHz bandwidth of transmit time segments in step 203, identical with the residue channel capacity of the 20MHz bandwidth of calculating transmit time segments in step 202, repeat no more herein.

In actual applications, non-AP STA calculates the residue channel capacity V of the 40MHz bandwidth of transmit time segments _{40, sendingLeft}Specifically can pass through following expression (9):

$V_{40,\mathrm{sendingLeft}}=\frac{\mathrm{ChannelUtilization}*\mathrm{SpatialStreamUnder}-\mathrm{Utilization}*\mathrm{FortyMHzUtilization}}{255*255*255}$

204, non-AP STA according to total channel utilance, the not utilization rate of space division multiplexing stream, the channel occupancy ratio of 80MHz bandwidth, calculates the residue channel capacity of the 80MHz bandwidth of transmit time segments.

Calculate the residue channel capacity of the 80MHz bandwidth of transmit time segments in step 204, identical with the residue channel capacity of the 20MHz bandwidth of calculating transmit time segments in step 202, repeat no more herein.

In actual applications, non-AP STA calculates the residue channel capacity V of the 80MHz bandwidth of transmit time segments _{80, sendingLeft}Specifically can pass through following expression (10):

$V_{80,\mathrm{sendingLeft}}=\frac{\mathrm{ChannelUtilization}*\mathrm{SpatialStreamUnder}-\mathrm{Utilization}*\mathrm{EightyMHzUtilization}}{255*255*255}$

205, non-AP STA according to total channel utilance, the not utilization rate of space division multiplexing stream, the channel occupancy ratio of 160MHz bandwidth, calculates the residue channel capacity of the 160MHz bandwidth of transmit time segments.

Calculate the residue channel capacity of the 160MHz bandwidth of transmit time segments in step 205, identical with the residue channel capacity of the 20MHz bandwidth of calculating transmit time segments in step 202, repeat no more herein.

In actual applications, non-AP STA calculates the residue channel capacity V of the 160MHz bandwidth of transmit time segments _{160, sendingLeft}Specifically can pass through following expression (11):

$V_{160,\mathrm{sendingLeft}}=\frac{\mathrm{ChannelUtilization}*\mathrm{SpatialStreamUnder}-\mathrm{Utilization}*\mathrm{HundredSixtyMHzUtilization}}{255*255*255}$

What need to say is, in the embodiment of the present invention, for step 202,203,204,205, after not having sequencing between them, can first carry out wherein any one step, then carry out other follow-up step, also can several steps carry out simultaneously, be not construed as limiting herein.

206, non-AP STA according to the residue channel capacity of the 160MHz bandwidth of the residue channel capacity of the 80MHz bandwidth of the residue channel capacity of the 40MHz bandwidth of the residue channel capacity of the 20MHz bandwidth of transmit time segments, transmit time segments, transmit time segments, transmit time segments, calculates the residue channel capacity of transmit time segments.

In embodiments of the present invention, calculating by abovementioned steps 202 to 205, obtain the residue channel capacity of 160MHz bandwidth of residue channel capacity, transmit time segments of 80MHz bandwidth of residue channel capacity, transmit time segments of 40MHz bandwidth of residue channel capacity, the transmit time segments of the 20MHz bandwidth of transmit time segments, then according to the residue channel capacity of the transmit time segments of these each bandwidth, non-AP STA calculates the residue channel capacity of transmit time segments.

In actual applications, the non-AP STA residue channel capacity that calculates transmit time segments specifically can be passed through following expression (12):

V _sendingLeft＝V _{20，sendingLeft}*A+V _{40，sendingLeft}*2A+V _{80，sendingLeft}*4A+V _{160，sendingLeft}*8A

Need to prove, in embodiments of the present invention, V _{20, sendingLeft}Weights be A, V _{40, sendingLeft}Weights be 2A, V _{80, sendingLeft}Weights be 4A, V _{160, sendingLeft}Weights be 8A, A is the residue channel capacity proportionality coefficient of each bandwidth of a transmit time segments, value that can a non-zero of Set arbitrarily.The just proportionate relationship between each bandwidth of each weights reaction, concrete A can equal 1, and this moment, its weights were 1,2,4,8.In actual applications, as long as the setting of weights can reflect the proportionate relationship between each bandwidth.

207, non-AP STA according to the maximum of total channel utilance, the bandwidth that can use, the maximum of space division multiplexing fluxion, calculates the not channel capacity of transmit time segments.

In embodiments of the present invention, after calculating the residue channel capacity of transmit time segments, in step 207, non-AP STA can be according to maximum, the max_sup_ported_N of Channel Utilization, the bandwidth that can use _ss, calculate the not channel capacity of transmit time segments.

In actual applications, the non-AP STA channel capacity that calculates transmit time segments not specifically can be by as expression formula (13):

$V_{\mathrm{under}\_\mathrm{sendingLeft}}=\frac{(255-\mathrm{ChannelUtilization})*\max \_\mathrm{supported}\_N_{\mathrm{ss}}}{255}*\frac{\max \_\mathrm{bandwidth}}{20}$

Wherein, Channel Utilization is the total channel utilance, max_sup_ported_N _ssBe the maximum of the space division multiplexing fluxion that can use, max_bandwidth is the maximum of the bandwidth that can use, and its unit is MHz.

Need to prove, in the embodiment of the present invention, max_bandwidth is the maximum of the bandwidth that can use.Be specifically as follows following four kinds of situations:

A1, when the utilized bandwidth of on-AP STA and access point is not limited, max_bandwidth is 160MHz.

At this moment, in expression formula (13)

A2, when the utilized bandwidth of non-AP STA and access point is all limited, max_bandwidth is minimum value between the two, wherein, both are the Bandwidth-Constrained value of non-AP STA and the Bandwidth-Constrained value of access point.

For example, the Bandwidth-Constrained value of access point is 80MHz, and the Bandwidth-Constrained value of non-AP STA is 40MHz, and, max_bandwidth selects minimum value 40MHz between the two.

A3, when the utilized bandwidth of only having non-AP STA is limited, max_bandwidth is the Bandwidth-Constrained value of non-APSTA.

A4, when the utilized bandwidth of only having access point is limited, max_bandwidth is the Bandwidth-Constrained value of access point.

208, non-AP STA according to the residue channel capacity of transmit time segments, the channel capacity of transmit time segments not, obtains the total surplus channel capacity of AP.

In embodiments of the present invention, obtain the residue channel capacity of transmit time segments by step 206 as non-AP STA, obtain the not channel capacity of transmit time segments by step 207, non-AP STA can get the total surplus channel capacity of access point AP.

In actual applications, non-AP STA calculates the total surplus channel capacity and is specifically as follows as expression formula (14):

V _total＝V _sendingLeft*η ₁+V _{under_sendingLeft}*η ₂

Wherein, 0≤η ₁＜η ₂≤ 1.

V _SendingLeftBe the residue channel capacity of transmit time segments, V _{Under_sendingLeft}Be the channel capacity of transmit time segments not, η ₁Be the residue channel capacity correction factor of transmit time segments, η ₂Be the channel capacity correction factor of transmit time segments not.

Need to prove, in embodiments of the present invention, η ₁, η ₂Between satisfy relational expression 0≤η ₁＜η ₂≤ 1, because η ₁Be the residue channel capacity correction factor of transmit time segments, and the space division multiplexing meeting of channel reduces the capacity of average each stream, therefore η ₁＜η ₂

209, select the access point access of total surplus channel capacity maximum in the access point of non-AP STA from N BSS network.

Wherein, non-AP STA is arranged in the public domain of N BSS network, and N is the natural number greater than 1.

In embodiments of the present invention, after non-AP STA calculates the total surplus channel capacity of access point, in the same way, calculate the total surplus channel capacity of N the access point in the BSS network, then select the access point access of total surplus channel capacity maximum.Wherein, non-AP STA is in N the public domain in the BSS network.

In actual applications, a kind of concrete implementation is, if the access point total channel utilance separately in N BSS network all greater than the utilance threshold value that presets, is selected the access point access of total surplus channel capacity maximum in the access point of non-AP STA from N BSS network.Presetting a utilance threshold value can be by concrete realizing scene and sets, can be set by non-AP STA, for example, can set the utilance threshold value is 0.2*255=51,, all greater than 51 the time, non-AP STA selects the access point access of total surplus channel capacity maximum when the total channel utilance of the access point in N BSS network.

The method of the access access point that the embodiment of the present invention provides, non-AP STA can calculate the total surplus channel capacity of each AP, thereby can select the access point access of total surplus channel capacity maximum, balance load between each AP, guaranteed simultaneously the service quality of communicating by letter between non-AP STA and AP.

Next the another kind that introducing the embodiment of the present invention provides accesses the method for access point, as shown in Figure 3, comprising:

301, non-AP STA receives the total channel utilance that the AP in N BSS network broadcasts separately.

Wherein, non-AP STA is arranged in the public domain of N BSS network, and N is the natural number greater than 1.

In embodiments of the present invention, a non-AP STA is in the public domain of N BSS network, and this moment, non-AP STA can receive the total channel utilance that N the AP in the BSS network broadcasts separately.In actual applications, AP can broadcast its total channel utilance by BSS Load element format as shown in table 1.

If the minimum value in the total channel utilance of the access point in 302 N BSS networks is less than the utilance threshold value that presets, non-AP STA selects the access point access of total channel utilance minimum.

In embodiments of the present invention, after non-AP STA receives the total channel utilance separately of N AP broadcasting, whether judge N the minimum value in channel utilization less than the utilance threshold value that presets, if non-AP STA selects the access point access of total channel utilance minimum.Presetting a utilance threshold value can be by concrete realizing scene and sets, can be set by non-AP STA, for example, can set the utilance threshold value is 0.2*255=51,, less than 51 the time, non-AP STA selects the access point access of total channel utilance minimum when the minimum value in the total channel utilance of the access point in N BSS network.The method of the access access point that the embodiment of the present invention provides, non-AP STA selects the access point access of total channel utilance minimum, and load between can each AP of balance has guaranteed the service quality of communicating by letter between non-AP STA and AP simultaneously.

Next the another kind that introducing the embodiment of the present invention provides accesses the method for access point, as shown in Figure 4, comprising:

401, the AP in the BSS network obtains the total channel utilance of this AP.

In actual applications, a kind of attainable mode is, the number of AP time occupied according to channel in timing statistics, the beacon frame that sends in timing statistics, sends the gap periods duration of beacon frame, calculates the total channel utilance.

In embodiments of the present invention, the AP in the BSS network can obtain its total channel utilance by BSS Load element format as shown in table 1.

In actual applications, Channel Utilization is the total channel utilance, is specifically as follows the expression formula (5) of describing in previous embodiment:

$\mathrm{ChannelUtilization}=\mathrm{Integer}\left(\frac{255*\mathrm{channelbusytime}}{N\_\mathrm{beacon}*P\_\mathrm{beacon}*1024}\right)$

Wherein, N_beacon is the number of the beacon frame that sends (English be beacon) in timing statistics, and P_beacon is for sending the gap periods duration of beacon frame.

If 402 total channel utilances are greater than the utilance threshold value that presets, AP is revised as the utilance thresholding with the value of total channel utilance, and the non-AP STA in this BSS network sends.

in embodiments of the present invention, presetting a utilance threshold value can be by concrete realizing scene and sets, can be set by AP, for example, can set the utilance threshold value is 0.8*255=204, , as Channel Utilization greater than 204 the time, AP is revised as the utilance thresholding with the value of Channel Utilization, wherein the utilance thresholding specifically has AP to set according to concrete application scenarios, for example the utilance thresholding can be set as 255, 255 is the utilance thresholding of a maximum, and the non-APSTA in this BSS network sends, so that non-AP STA no longer accesses this AP after the value that receives the total channel utilance is 255 channel utilization, load between can each AP of balance, guaranteed simultaneously the service quality of communicating by letter between non-AP STA and AP.

Above embodiment has introduced the method for the access access point that the embodiment of the present invention provides, and next introduces the terminal that the embodiment of the present invention provides, and as shown in Figure 5, terminal 500 comprises:

Processing unit 501 is used for obtaining N the total surplus channel capacity capacity of each access point of access set BSS network substantially, and wherein, terminal 500 is arranged in the public domain of N BSS network, and N is the natural number greater than 1.

Access unit 502 is used for selecting the access point access of total surplus channel capacity maximum from the access point of N BSS network.

In actual applications, for processing unit 501, in actual applications, processing unit 501 can comprise:

The first acquiring unit 5011 is used for the channel occupancy ratio, 160MHz of channel occupancy ratio, 80MHz bandwidth according to the 40MHz bandwidth or (80+80) the channel occupancy ratio of MHz bandwidth, obtains the channel occupancy ratio of 20MHz bandwidth.

The first computing unit 5012 is used for calculating the residue channel capacity of the 20MHz bandwidth of transmit time segments according to total channel utilance, the not utilization rate of space division multiplexing stream, the channel occupancy ratio of 20MHz bandwidth.

The second computing unit 5013 is used for calculating the residue channel capacity of the 40MHz bandwidth of transmit time segments according to total channel utilance, the not utilization rate of space division multiplexing stream, the channel occupancy ratio of 40MHz bandwidth.

The 3rd computing unit 5014 is used for calculating the residue channel capacity of the 80MHz bandwidth of transmit time segments according to total channel utilance, the not utilization rate of space division multiplexing stream, the channel occupancy ratio of 80MHz bandwidth.

The 4th computing unit 5015 is used for calculating the residue channel capacity of the 160MHz bandwidth of transmit time segments according to total channel utilance, the not utilization rate of space division multiplexing stream, the channel occupancy ratio of 160MHz bandwidth.

The 5th computing unit 5016, the residue channel capacity of 160MHz bandwidth of residue channel capacity, transmit time segments of 80MHz bandwidth that is used for residue channel capacity, the transmit time segments of the 40MHz bandwidth of residue channel capacity, transmit time segments according to the 20MHz bandwidth of transmit time segments is calculated the residue channel capacity of transmit time segments.

The 6th computing unit 5017 is used for calculating the not channel capacity of transmit time segments according to the maximum of total channel utilance, the bandwidth that can use, the maximum of space division multiplexing fluxion.

Second acquisition unit 5018 is used for obtaining the total surplus channel capacity of access point AP according to the residue channel capacity of transmit time segments, the channel capacity of transmit time segments not.

Need to prove, the contents such as the information interaction between each module/unit of said apparatus, implementation, due to the inventive method embodiment based on same design, its technique effect that brings is identical with the inventive method embodiment, particular content can referring to the narration in the present invention's embodiment of the method as depicted in figs. 1 and 2, repeat no more herein.

Reality should in, processing unit 501 included unit is described as follows.

The first acquiring unit 5011 is concrete for obtaining in the following way the channel occupancy ratio Twenty MHz Utilization of 20MHz bandwidth:

Twenty?MHz?Utilization＝255-Forty?MHz?Utilization

-Eighty?MHz?Utilization

-Hundred?Sixty?MHz?Utilization

Wherein,

Forty MHz Utilization is the channel occupancy ratio of 40MHz bandwidth, Eighty MHz Utilization is the channel occupancy ratio of 80MHz bandwidth, Hundred Sixty MHz Utilization is the channel occupancy ratio of 160MHz bandwidth, channel busy time is the occupied time of channel in timing statistics, busy_bandwidth_40 is the time of 40MHz bandwidth occupancy, busy_bandwidth_80 is the time of 80MHz bandwidth occupancy, and busy_bandwidth_160 is the time of 160MHz bandwidth occupancy.

The first computing unit 5012 is concrete for calculating in the following way the residue channel capacity V of the 20MHz bandwidth of transmit time segments _{20, sendingLeft}:

$V_{20,\mathrm{sendingLeft}}=\frac{\mathrm{ChannelUtilization}*\mathrm{SpatialStreamUnder}-\mathrm{Utilization}*\mathrm{TwentyMHzUtilization}}{255*255*255}$

Wherein,

$\mathrm{ChannelUtilization}=\mathrm{Integer}\left(\frac{255*\mathrm{channelbusytime}}{N\_\mathrm{beacon}*P\_\mathrm{beacon}*1024}\right)$

$\mathrm{utilized}\_\mathrm{ss}\_\mathrm{time}=\underset{i=1}{\overset{N}{\mathrm{\Σ}}}{T}_i\·N_{\mathrm{STS},i}$

Channel Utilization is the total channel utilance, Spatial Stream Under-Utilization is the not utilization rate of space division multiplexing stream, N_beacon is the number of the interior beacon frame that sends of timing statistics, P_beacon is for sending the gap periods duration of beacon frame, max_sup_ported_N _ssBe the maximum of the space division multiplexing fluxion that can use, the time that utilized_ss_time takies for the space division multiplexing stream that has used, N _{STS, i}It is the time T in timing statistics _iThe space division multiplexing fluxion of interior use.

The second computing unit 5013 is concrete for calculating in the following way the residue channel capacity V of the 40MHz bandwidth of transmit time segments _{40, sendingLeft}:

$V_{40,\mathrm{sendingLeft}}=\frac{\mathrm{ChannelUtilization}*\mathrm{SpatialStreamUnder}-\mathrm{Utilization}*\mathrm{FortyMHzUtilization}}{255*255*255}$

The 3rd computing unit 5014 is concrete for calculating in the following way the residue channel capacity V of the 80MHz bandwidth of transmit time segments _{80, sendingLeft}:

$V_{80,\mathrm{sendingLeft}}=\frac{\mathrm{ChannelUtilization}*\mathrm{SpatialStreamUnder}-\mathrm{Utilization}*\mathrm{EightyMHzUtilization}}{255*255*255}$

The 4th computing unit 5015 is concrete for calculating in the following way the residue channel capacity V of the 160MHz bandwidth of transmit time segments _{160, sendingLeft}:

$V_{160,\mathrm{sendingLeft}}=\frac{\mathrm{ChannelUtilization}*\mathrm{SpatialStreamUnder}-\mathrm{Utilization}*\mathrm{HundredSixtyMHzUtilization}}{255*255*255}$

The 5th computing unit 5016 is concrete for calculating in the following way the residue channel capacity V of transmit time segments _SendingLeft:

V _sendingLeft＝V _{20，sendingLeft}*A+V _{40，sendingLeft}*2A+V _{80，sendingLeft}*4A+V _{160，sendingLeft}*8A

Wherein, A is the residue channel capacity proportionality coefficient of each bandwidth of transmit time segments.

The 6th computing unit 5017 is concrete for calculating in the following way the not channel capacity V of transmit time segments _{Under_sendingLeft}:

$V_{\mathrm{under}\_\mathrm{sendingLeft}}=\frac{(255-\mathrm{ChannelUtilization})*\max \_\mathrm{supported}\_N_{\mathrm{ss}}}{255}*\frac{\max \_\mathrm{bandwidth}}{20}$

Wherein, Channel Utilization is the total channel utilance, max_sup_ported_N _ssBe the maximum of the space division multiplexing fluxion that can use, max_bandwidth is the maximum of the bandwidth that can use.

Second acquisition unit 5018 is concrete for obtaining in the following way the total surplus channel capacity V of access point _Total:

V _total＝V _sendingLeft*η ₁+V _{under_sendingLeft}*η ₂

Wherein, 0≤η ₁＜η ₂≤ 1.

η ₁Be the residue channel capacity correction factor of transmit time segments, η ₂Be the channel capacity correction factor of transmit time segments not.

The non-AP STA that the embodiment of the present invention provides can calculate the total surplus channel capacity of each AP, thereby can select the access point access of total surplus channel capacity maximum, balance the load between each AP, due to terminal access in the embodiment of the present invention be the terminal of total surplus channel capacity maximum, guaranteed the service quality of communicating by letter between non-AP STA and AP.

The another kind of terminal that the embodiment of the present invention provides, as shown in Figure 6, terminal 600 comprises:

Receiving element 601 be used for to receive the total channel utilance that the AP of N BSS network broadcasts separately.Wherein, terminal 600 is arranged in the public domain of N BSS network, and N is the natural number greater than 1.

Access unit 602 is used for when the minimum value in the total channel utilance of the access point of N BSS network during less than the utilance threshold value that presets, and the access point of selection total channel utilance minimum accesses.

Need to prove, the contents such as the information interaction between each module/unit of said apparatus, implementation, due to the inventive method embodiment based on same design, its technique effect that brings is identical with the inventive method embodiment, particular content can referring to the narration in the present invention's embodiment of the method as shown in Figure 3, repeat no more herein.

Access unit 602 in the embodiment of the present invention is when the minimum value in the total channel utilance of the access point in N BSS network during less than the utilance threshold value that presets, select the access point access of total channel utilance minimum, load between can each AP of balance has guaranteed the service quality of communicating by letter between terminal 600 and AP simultaneously.

Access point in a kind of basic service set networks that the embodiment of the present invention provides, as shown in Figure 7, access point 700 comprises:

Processing unit 701 is for the total channel utilance of obtaining access point 700.

Transmitting element 702 is used for when the total channel utilance during greater than the utilance threshold value that presets, and the value of total channel utilance is revised as the utilance thresholding, and the non-AP STA transmission in the BSS network.

Need to prove, the number of the beacon frame that in actual applications, processing unit 701 specifically can be used for the time occupied according to channel in timing statistics, send, send the gap periods duration of beacon frame in timing statistics, calculate the total channel utilance.

Need to prove, the contents such as the information interaction between each module/unit of said apparatus, implementation, due to the inventive method embodiment based on same design, its technique effect that brings is identical with the inventive method embodiment, particular content can referring to the narration in the present invention's embodiment of the method as shown in Figure 4, repeat no more herein.

The transmitting element 702 that the embodiment of the present invention provides is when the total channel utilance during greater than the utilance threshold value that presets, the value of total channel utilance is revised as the utilance thresholding, and the non-AP STA in the BSS network sends, load between can each AP of balance has guaranteed the service quality of communicating by letter between non-AP STA and AP simultaneously.

Next the embodiment of the present invention will be introduced the method for another kind of access access point, see also shown in Figure 8ly, comprise:

801, the access point in Basic Service Set BSS network generates and to forbid the access sign, forbids that the access sign is used for forbidding terminal access access point or forbids that terminal accesses access point presetting on bandwidth.

In embodiments of the present invention, for the access point AP in the BSS network, when access point does not wish that terminal accesses this access point or uses the terminal access of specific bandwidth, access point generates forbids the access sign, forbids that the access sign is used for forbidding terminal access access point or forbids that terminal accesses access point presetting on bandwidth.Wherein presetting bandwidth is a bandwidth or a plurality of bandwidth that access point sets in advance, and for example: presetting bandwidth can be for one or more in 20MHz bandwidth, 40MHz bandwidth, 80MHz bandwidth, 160MHz bandwidth.Need to prove, can to refer to independent bandwidth be 160MHz to the 160MHz bandwidth in embodiments of the present invention, also can refer to common (80+80) MHz bandwidth that forms of two 80MHz bandwidth, is not construed as limiting herein.

In actual applications, the access point in Basic Service Set BSS network generates forbids the access sign, and a kind of implementation is specifically can comprise:

Access point is revised as the overall utilization thresholding with the total channel utilance of this access point, and as forbidding the access sign, wherein, the overall utilization thresholding is used for forbidding terminal access access point with the overall utilization thresholding.

Wherein, the introduction of total channel utilance just consult aforementioned as shown in Figure 4 embodiment and the description of expression formula (5), the overall utilization thresholding can be by concrete realizing scene and set, for example, access point is revised as 255 with the total channel utilance of this access point, and namely the overall utilization thresholding is 255.

In actual applications, the access point in Basic Service Set BSS network generates forbids the access sign, and another kind of implementation is specifically can comprise:

Access point is set as the first preset value with the value of access control instruction, and as forbidding the access sign, the first preset value is used for forbidding terminal access access point with the first preset value.

Wherein, the frame structure of access control signaling (Adimission Control) is as shown in Fig. 8 a, element sequence number (English full name is Element ID) is the sequence number of access control signaling, account for 1 byte, length (English full name is Length) is the length of access control signaling, account for 1 byte, whether access indication (admission) sign allows the terminal access, accounts for 1 byte.In Fig. 8 a, the access control signaling forms structure by two kinds, and a kind of is a containing element sequence number and access indication, and another kind is containing element sequence number, length and access indication, because the length of access control instruction generally immobilizes, so can not comprise length (Length).Wherein access indication can be set to represent that access point did not allow the terminal access at 0 o'clock, represents that when access is designated as 1 access point allows the terminal access.Can certainly access indication and be set to represent that access point does not allow the terminal access at 1 o'clock, represent that when access is designated as 0 access point allows the terminal access, indication herein for example, is not done restriction.

In actual applications, the access point in Basic Service Set BSS network generates forbids the access sign, and another kind of implementation is specifically can comprise:

Access point is revised as the utilance thresholding with the channel utilization that presets bandwidth in access point, and as forbidding access sign, the utilance thresholding is used for forbidding that terminal accesses access point presetting on bandwidth with the utilance thresholding.

Wherein, the channel utilization that access point will preset bandwidth is revised as the utilance thresholding, and the utilance thresholding can be by concrete realizing scene and set, and for example, access point is revised as 255 with the channel utilization of 20MHz, and namely the utilance thresholding is 255.

In actual applications, the access point in Basic Service Set BSS network generates forbids the access sign, and another kind of implementation is specifically can comprise:

Access point is set as the second preset value with presetting value corresponding to bandwidth in the access control instruction, and as forbidding access sign, the second preset value is used for forbidding that terminal accesses access point presetting on bandwidth with the second preset value.

Wherein, the frame structure of access control signaling (Adimission Control) is as shown in Fig. 8 b, element sequence number (English full name is Element ID) is the sequence number of access control signaling, account for 1 byte, length (English full name is Length) is the length of access control signaling, account for 1 byte, whether access indication (admission) sign allows the terminal access, account for 1 byte, the access indication comprises that whether each bandwidth (20MHz, 40MHz, 80MHz, 160MHz) allows the indication of terminal access, respectively accounts for 2 bits.In Fig. 8 b, the access control signaling forms structure by two kinds, and a kind of is a containing element sequence number and access indication, and another kind is containing element sequence number, length and access indication.Wherein in access indication, the access of each bandwidth indication can be set to represent that access point did not allow terminal to access at 0 o'clock on this bandwidth, represents that when access is designated as 1 access point allows terminal in this bandwidth access.The access indication that can certainly access each bandwidth in indication is set to represent that access point did not allow terminal to access at 1 o'clock on this bandwidth, and represent that when access is designated as 0 access point allows terminal to access on this bandwidth, indication herein for example, is not done restriction.For example, in Fig. 8 b, in the access indication, the value of each bandwidth is that 0 expression does not allow the terminal access, the access indication of 20MHz bandwidth, 40MHz bandwidth is set to 0, and the access of 80MHz bandwidth, 160MHz bandwidth indication is set to 1, expression is that access point does not allow terminal to access on use 20MHz bandwidth, 40MHz bandwidth, but allows terminal to access on 80MHz bandwidth, 160MHz bandwidth.

802, access point is broadcasted in beacon frame beacon and is forbidden access sign, so that the terminal that the terminal that listens to beacon frame is no longer initiated access or listened to beacon frame to access point is no longer initiated access to access point presetting on bandwidth.

In embodiments of the present invention, access point can be broadcasted this and be forbidden the access sign in beacon frame (beacon), the terminal that listens to this beacon frame just no longer presets on bandwidth just no longer to this access point initiation access according to forbidding that access refers to be identified to this access point initiation access or terminal.

Access point in the embodiment of the present invention can be when not wishing the terminal access or do not wish that terminal accesses on specific bandwidth, forbid the access sign by generation, no longer access this access point or terminal and forbidding that presetting on bandwidth during accessing index knows just no longer initiate access to this access point so that listen to the terminal of beacon frame, guaranteed the service quality of communicating by letter between terminal and access point.

Next the method for the access access point that the access point side of having introduced above embodiment realizes introduces the method for the access access point that end side realizes, sees also shown in Figure 9ly, comprising:

901, terminal intercept in Basic Service Set BSS network access point beacon frame beacon broadcasting forbid the access sign, wherein, forbid that the access sign is used for forbidding terminal access access point or forbids that terminal accesses access point presetting on bandwidth.

In embodiments of the present invention, terminal is intercepted the beacon frame of access point broadcasting, and the access of forbidding that can obtain access point broadcasting identifies.

902, no longer initiate access to access point according to forbidding accessing marking terminal, or terminal is presetting on bandwidth no longer to access point initiation access.

In embodiments of the present invention, no longer initiate access to access point according to forbidding accessing marking terminal, or according to forbidding the access sign, terminal is no longer initiated access to access point presetting on bandwidth.For example, when sign was forbidden the terminal access in forbidding the access sign, terminal received this and forbids just no longer initiating access to access point after the access sign.When sign forbids that terminal accesses on 20MHz bandwidth, 40MHz bandwidth in forbidding the access sign, terminal in the embodiment of the present invention can not be initiated access to access point on 20MHz bandwidth or 40MHz bandwidth, the terminal in the embodiment of the present invention still can be initiated access to access point in 80MHz bandwidth or 160MHz bandwidth.

Need to prove, according to forbidding that accessing marking terminal no longer specifically refers to access point initiation access: if forbid accessing the overall utilization thresholding that is designated access point, or, if forbidding accessing the value that is designated the access control instruction is the first preset value, terminal is no longer initiated access to access point, and the first preset value is used for forbidding terminal access access point.

Need to prove, terminal is no longer initiated access to access point and specifically can be referred on presetting bandwidth: to be designated the channel utilization that presets bandwidth in access point be the utilance thresholding if forbid accessing, or, be designated that to preset value corresponding to bandwidth in the access control signaling be the second preset value if forbid accessing, terminal is initiated access to access point presetting on bandwidth no longer, and the second preset value is used for forbidding that terminal accesses access point presetting on bandwidth.

After terminal in the embodiment of the present invention receives and forbids incoming instruction, just no longer initiate access to access point according to forbidding accessing marking terminal, or terminal is initiated access to access point presetting on bandwidth no longer, has guaranteed the service quality of communicating by letter between terminal and access point.

Next introduce the access point apparatus in the basic service set networks that the embodiment of the present invention provides, as shown in figure 10, access point apparatus 1000 comprises:

Generation unit 1001 be used for to generate and to forbid the access sign, describedly forbids that the access sign is used for forbidding the terminal described access point of access or forbids that terminal is presetting the described access point of access on bandwidth.

Radio unit 1002, be used for forbidding the access sign beacon frame beacon broadcasting is described, so that the terminal that listens to described beacon frame is no longer no longer initiated access to described access point to the terminal that described access point is initiated access or listened to described beacon frame described presetting on bandwidth.

Wherein, for generation unit 1001, a kind of attainable mode is, generation unit 1001 is concrete is revised as the overall utilization thresholding for the total channel utilance with described access point, as forbidding the access sign, described overall utilization thresholding is used for forbidding the described access point of terminal access with described overall utilization thresholding.

Wherein, for generation unit 1001, another kind of attainable mode is that generation unit 1001 is concrete is set as the first preset value for the value with the access control instruction, as forbidding the access sign, described the first preset value is used for forbidding the described access point of terminal access with described the first preset value.

Wherein, for generation unit 1001, another kind of attainable mode is, the concrete channel utilization for described access point being preset bandwidth of generation unit 1001 is revised as the utilance thresholding, as forbidding the access sign, described utilance thresholding is used for forbidding that terminal accesses described access point described presetting on bandwidth with described utilance thresholding.

Wherein, for generation unit 1001, another kind of attainable mode is, generation unit 1001 is concrete is set as the second preset value for value corresponding to bandwidth preset in the access control instruction, as forbidding the access sign, described the second preset value is used for forbidding that terminal accesses described access point described presetting on bandwidth with described the second preset value.

Above embodiment has introduced access point apparatus, next introduces terminal, sees also shown in Figure 11ly, and terminal 1100 comprises:

Intercept unit 1101, the access point that is used for intercepting Basic Service Set BSS network is forbidden the access sign beacon frame beacon broadcasting, describedly forbids that the access sign is used for forbidding the terminal described access point of access or forbids that terminal is presetting the described access point of access on bandwidth.

Forbid unit 1102, be used for forbidding accessing marking terminal no longer to described access point initiation access according to described, or terminal is no longer initiated access to described access point described presetting on bandwidth.

Wherein, describedly forbid that unit 1102 specifically is used for:

If describedly forbid accessing the overall utilization thresholding that is designated described access point, no longer initiate access to described access point.

Or, if described to forbid accessing the value that is designated the access control instruction be the first preset value, no longer initiate access to described access point, described the first preset value is used for forbidding the described access point of terminal access.

In addition, the bandwidth of using when described terminal describedly forbids that unit 1102 specifically is used for when presetting bandwidth:

If describedly forbid accessing that to be designated the channel utilization that presets bandwidth in described access point be the utilance thresholding, no longer initiate access to described access point.

Or, if described forbid accessing be designated that to preset value corresponding to bandwidth in the access control signaling be the second preset value, initiate access to described access point presetting on bandwidth no longer, described the second preset value is used for forbidding that terminal presets the described access point of access on bandwidth described.

After terminal in the embodiment of the present invention receives and forbids incoming instruction, just no longer initiate access to access point according to forbidding accessing marking terminal, or terminal is initiated access to access point presetting on bandwidth no longer, has guaranteed the service quality of communicating by letter between terminal and access point.

One of ordinary skill in the art will appreciate that all or part of step that realizes in above-described embodiment method is to come the relevant hardware of instruction to complete by program, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium of mentioning can be read-only memory, disk or CD etc.

Above a kind of method, terminal and access point that accesses access point provided by the present invention is described in detail, for one of ordinary skill in the art, thought according to the embodiment of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.

Claims (37)

1. a method that accesses access point, is characterized in that, comprising:

Terminal is obtained the total surplus channel capacity capacity of each access point in N basic access set BSS network, and described terminal is arranged in the public domain of described N BSS network, and N is the natural number greater than 1;

Select the access point access of total surplus channel capacity maximum in the access point of described terminal from N BSS network.

2. the method for access access point according to claim 1, is characterized in that, described terminal is obtained the total surplus channel capacity capacity of each access point in N basic access set BSS network, comprising:

Described terminal is obtained the channel occupancy ratio of 20MHz bandwidth according to the channel occupancy ratio of 40MHz bandwidth, the channel occupancy ratio of 80MHz bandwidth, the channel occupancy ratio of 160MHz bandwidth;

Described terminal is calculated the residue channel capacity of the 20MHz bandwidth of transmit time segments according to total channel utilance, the not utilization rate of space division multiplexing stream, the channel occupancy ratio of described 20MHz bandwidth;

Described terminal is calculated the residue channel capacity of the 40MHz bandwidth of transmit time segments according to total channel utilance, the not utilization rate of space division multiplexing stream, the channel occupancy ratio of described 40MHz bandwidth;

Described terminal is calculated the residue channel capacity of the 80MHz bandwidth of transmit time segments according to total channel utilance, the not utilization rate of space division multiplexing stream, the channel occupancy ratio of described 80MHz bandwidth;

Described terminal is calculated the residue channel capacity of the 160MHz bandwidth of transmit time segments according to total channel utilance, the not utilization rate of space division multiplexing stream, the channel occupancy ratio of described 160MHz bandwidth;

Described terminal is calculated the residue channel capacity of transmit time segments according to the residue channel capacity of the 160MHz bandwidth of the residue channel capacity of the 80MHz bandwidth of the residue channel capacity of the 40MHz bandwidth of the residue channel capacity of the 20MHz bandwidth of described transmit time segments, transmit time segments, transmit time segments, transmit time segments;

Described terminal is calculated the not channel capacity of transmit time segments according to the maximum of total channel utilance, the bandwidth that can use, the maximum of space division multiplexing fluxion;

Described terminal is obtained the total surplus channel capacity of access point according to the residue channel capacity of described transmit time segments, the channel capacity of described not transmit time segments.

3. the method for access access point according to claim 2, it is characterized in that, described terminal is according to the channel occupancy ratio of 40MHz bandwidth, the channel occupancy ratio of 80MHz bandwidth, the channel occupancy ratio of 160MHz bandwidth, and the channel occupancy ratio of obtaining the 20MHz bandwidth specifically comprises:

Obtain in the following way the channel occupancy ratio Twenty MHz Utilization of 20MHz bandwidth:

Twenty?MHz?Utilization＝255-Forty?MHz?Utilization

-Eighty?MHz?Utilization

-Hundred?Sixty?MHz?Utilization

Wherein,

described Forty MHz Utilization is the channel occupancy ratio of 40MHz bandwidth, described Eighty MHz Utilization is the channel occupancy ratio of 80MHz bandwidth, described Hundred Sixty MHz Utilization is the channel occupancy ratio of 160MHz bandwidth, described channel busy time is the occupied time of channel in timing statistics, described busy_bandwidth_40 is the time of 40MHz bandwidth occupancy, described busy_bandwidth_80 is the time of 80MHz bandwidth occupancy, described is the time of 160MHz bandwidth occupancy for busy_bandwidth_160.

4. the method for access access point according to claim 3, it is characterized in that, described terminal is according to total channel utilance, the not utilization rate of space division multiplexing stream, the channel occupancy ratio of described 20MHz bandwidth, and the residue channel capacity of calculating the 20MHz bandwidth of transmit time segments specifically comprises:

Calculate in the following way the residue channel capacity V of the 20MHz bandwidth of transmit time segments _{20, sendingLeft}:

$V_{20,\mathrm{sendingLeft}}=\frac{\mathrm{ChannelUtilization}*\mathrm{SpatialStreamUnder}-\mathrm{Utilization}*\mathrm{TwentyMHzUtilization}}{255*255*255}$

Wherein,

$\mathrm{ChannelUtilization}=\mathrm{Integer}\left(\frac{255*\mathrm{channelbusytime}}{N\_\mathrm{beacon}*P\_\mathrm{beacon}*1024}\right)$

$\mathrm{utilized}\_\mathrm{ss}\_\mathrm{time}=\underset{i=1}{\overset{N}{\mathrm{\Σ}}}{T}_i\·N_{\mathrm{STS},i}$

Described Channel Utilization is the total channel utilance, described Spatial Stream Under-Utilization is the not utilization rate of space division multiplexing stream, described channel busy time is the occupied time of channel in timing statistics, described N beacon is the number of the interior beacon frame that sends of timing statistics, described P_beacon is for sending the gap periods duration of described beacon frame, described max_sup ported_N _ssBe the maximum of the space division multiplexing fluxion that can use, the time that utilized_ss_time takies for the space division multiplexing stream that has used, N _{STS, i}It is the time T in timing statistics _iThe space division multiplexing fluxion of interior use.

5. the method for access access point apparatus according to claim 2, it is characterized in that, described terminal is according to total channel utilance, the not utilization rate of space division multiplexing stream, the channel occupancy ratio of described 40MHz bandwidth, and the residue channel capacity of calculating the 40MHz bandwidth of transmit time segments specifically comprises:

Calculate in the following way the residue channel capacity V of the 40MHz bandwidth of transmit time segments _{40, sendingLeft}:

$V_{40,\mathrm{sendingLeft}}=\frac{\mathrm{ChannelUtilization}*\mathrm{SpatialStreamUnder}-\mathrm{Utilization}*\mathrm{FortyMHzUtilization}}{255*255*255}$

Wherein,

$\mathrm{ChannelUtilization}=\mathrm{Integer}\left(\frac{255*\mathrm{channelbusytime}}{N\_\mathrm{beacon}*P\_\mathrm{beacon}*1024}\right)$

$\mathrm{utilized}\_\mathrm{ss}\_\mathrm{time}=\underset{i=1}{\overset{N}{\mathrm{\Σ}}}{T}_i\·N_{\mathrm{STS},i}$

Described Forty MHz Utilization is the channel occupancy ratio of 40MHz bandwidth, described Channel Utilization is the total channel utilance, described Spatial Stream Under-Utilization is the not utilization rate of space division multiplexing stream, described channel busy time is the occupied time of channel in timing statistics, described N_beacon is the number of the interior beacon frame that sends of timing statistics, described P_beacon is for sending the gap periods duration of described beacon frame, described max_sup ported_N _ssBe the maximum of the space division multiplexing fluxion that can use, the time that utilized_ss_time takies for the space division multiplexing stream that has used, N _{STS, i}It is the time T in timing statistics _iThe space division multiplexing fluxion of interior use.

6. the method for access access point according to claim 2, it is characterized in that, described terminal is according to total channel utilance, the not utilization rate of space division multiplexing stream, the channel occupancy ratio of described 80MHz bandwidth, and the residue channel capacity of calculating the 80MHz bandwidth of transmit time segments specifically comprises:

Calculate in the following way the residue channel capacity V of the 80MHz bandwidth of transmit time segments _{80, sendingLeft}:

$V_{80,\mathrm{sendingLeft}}=\frac{\mathrm{ChannelUtilization}*\mathrm{SpatialStreamUnder}-\mathrm{Utilization}*\mathrm{EightyMHzUtilization}}{255*255*255}$

Wherein,

$\mathrm{ChannelUtilization}=\mathrm{Integer}\left(\frac{255*\mathrm{channelbusytime}}{N\_\mathrm{beacon}*P\_\mathrm{beacon}*1024}\right)$

$\mathrm{utilized}\_\mathrm{ss}\_\mathrm{time}=\underset{i=1}{\overset{N}{\mathrm{\Σ}}}{T}_i\·N_{\mathrm{STS},i}$

Described Eighty MHz Utilization is the channel occupancy ratio of 80MHz bandwidth, described Channel Utilization is the total channel utilance, described Spatial Stream Under-Utilization is the not utilization rate of space division multiplexing stream, described channel busy time is the occupied time of channel in timing statistics, described N_beacon is the number of the interior beacon frame that sends of timing statistics, described P_beacon is for sending the gap periods duration of described beacon frame, described max_sup ported_N _ssBe the maximum of the space division multiplexing fluxion that can use, the time that utilized_ss_time takies for the space division multiplexing stream that has used, N _{STS, i}It is the time T in timing statistics _iThe space division multiplexing fluxion of interior use.

7. the method for access access point according to claim 2, it is characterized in that, described terminal is according to total channel utilance, the not utilization rate of space division multiplexing stream, the channel occupancy ratio of described 160MHz bandwidth, and the residue channel capacity of calculating the 160MHz bandwidth of transmit time segments specifically comprises:

Calculate in the following way the residue channel capacity V of the 160MHz bandwidth of transmit time segments _{160, sendinLeft}:

$V_{160,\mathrm{sendingLeft}}=\frac{\mathrm{ChannelUtilization}*\mathrm{SpatialStreamUnder}-\mathrm{Utilization}*\mathrm{HundredSixtyMHzUtilization}}{255*255*255}$

Wherein,

$\mathrm{ChannelUtilization}=\mathrm{Integer}\left(\frac{255*\mathrm{channelbusytime}}{N\_\mathrm{beacon}*P\_\mathrm{beacon}*1024}\right)$

$\mathrm{utilized}\_\mathrm{ss}\_\mathrm{time}=\underset{i=1}{\overset{N}{\mathrm{\Σ}}}{T}_i\·N_{\mathrm{STS},i}$

Described Hundred Sixty MHz Utilization is the channel occupancy ratio of 160MHz bandwidth, described Channel Utilization is the total channel utilance, described Spatial Stream Under-Utilization is the not utilization rate of space division multiplexing stream, described channel busy time is the occupied time of channel in timing statistics, described N_beacon is the number of the interior beacon frame that sends of timing statistics, described P_beacon is for sending the gap periods duration of described beacon frame, described max_sup ported_N _ssBe the maximum of the space division multiplexing fluxion that can use, the time that utilized_ss_time takies for the space division multiplexing stream that has used, N _{STS, i}It is the time T in timing statistics _iThe space division multiplexing fluxion of interior use.

8. the method for the described access access point of any one according to claim 2 to 7, it is characterized in that, described terminal is according to the residue channel capacity of the 160MHz bandwidth of the residue channel capacity of the 80MHz bandwidth of the residue channel capacity of the 40MHz bandwidth of the residue channel capacity of the 20MHz bandwidth of described transmit time segments, transmit time segments, transmit time segments, transmit time segments, and the residue channel capacity of calculating transmit time segments specifically comprises:

Calculate in the following way the residue channel capacity V of transmit time segments _SendingLeft:

V _sendingLeft＝V _{20，sendingLeft}*A+V _{40，sendingLeft}*2A+V _{80，sendingLeft}*4A+V _{160，sendingLeft}*8A

Wherein, described V _{20, sendingLeft}Be the residue channel capacity of the 20MHz bandwidth of transmit time segments, V _{40, sendingLeft}Be the residue channel capacity of the 40MHz bandwidth of transmit time segments, V _{80, sendingLeft}Be the residue channel capacity of the 80MHz bandwidth of transmit time segments, V _{160, sendingLeft}Be the residue channel capacity of the 160MHz bandwidth of transmit time segments, A is the residue channel capacity proportionality coefficient of each bandwidth of transmit time segments.

9. the method for the described access access point of any one according to claim 2 to 8, it is characterized in that, described terminal is according to the maximum of 2 total channel utilances, the bandwidth that can use, the maximum of space division multiplexing fluxion, and calculating not, the channel capacity of transmit time segments specifically comprises:

Calculate in the following way the not channel capacity V of transmit time segments _{Under_sendingLeft}:

$V_{\mathrm{under}\_\mathrm{sendingLeft}}=\frac{(255-\mathrm{ChannelUtilization})*\max \_\mathrm{supported}\_N_{\mathrm{ss}}}{255}*\frac{\max \_\mathrm{bandwidth}}{20}$

Wherein, described Channel Utilization is the total channel utilance, described max_sup ported_N _ssBe the maximum of the space division multiplexing fluxion that can use, max_bandwidth is the maximum of the bandwidth that can use.

10. the method for the described access access point of any one according to claim 2 to 9, it is characterized in that, described terminal is according to the residue channel capacity of described transmit time segments, the channel capacity of described not transmit time segments, and the total surplus channel capacity of obtaining access point specifically comprises:

Obtain in the following way the total surplus channel capacity V of access point _Total:

V _total＝V _sendingLeft*η ₁+V _{under_sendngLeft}*η ₂

Wherein, 0≤η ₁＜η ₂≤ 1,

Described V _SendingLeftBe the residue channel capacity of transmit time segments, V _{Under_sendingLeft}Be the channel capacity of transmit time segments not, η ₁Be the residue channel capacity correction factor of transmit time segments, η ₂Be the channel capacity correction factor of transmit time segments not.

11. according to claim 1 to 10, the method for the described access access point of any one, is characterized in that, when the utilized bandwidth of described terminal and access point was not limited, the maximum of the described bandwidth that can use was 160MHz;

When the utilized bandwidth of described terminal and access point was all limited, the maximum of the described bandwidth that can use was between the two minimum value, described both be the Bandwidth-Constrained value of described terminal and the Bandwidth-Constrained value of described access point;

When the utilized bandwidth of only having described terminal was limited, the maximum of the described bandwidth that can use was the Bandwidth-Constrained value of described terminal;

When the utilized bandwidth of only having described access point was limited, the maximum of the described bandwidth that can use was the Bandwidth-Constrained value of described access point.

12. according to claim 1 to 11, the method for the described access access point of any one, is characterized in that, selects the access point access of total surplus channel capacity maximum in the access point of described terminal from N BSS network, comprising:

If the access point total channel utilance separately in described N BSS network all greater than the utilance threshold value that presets, is selected the access point access of total surplus channel capacity maximum in the access point of described terminal from N BSS network.

13. a method that accesses access point is characterized in that, comprising:

Terminal receives the total channel utilance that the access point in N Basic Service Set BSS network is broadcasted separately, and described terminal is arranged in the public domain of N BSS network, and N is the natural number greater than 1;

If the minimum value in the total channel utilance of the access point in described N BSS network is less than the utilance threshold value that presets, described terminal is selected the access point access of total channel utilance minimum.

14. a method that accesses access point is characterized in that, comprising:

Access point in Basic Service Set BSS network obtains the total channel utilance of described access point;

If described total channel utilance is greater than the utilance threshold value that presets, described access point is revised as the utilance thresholding with the value of described total channel utilance, and the terminal in described BSS network sends.

15. the method for access access point according to claim 14, it is characterized in that, the total channel utilance that access point in described BSS network obtains described access point specifically comprises: the number of described access point time occupied according to channel in timing statistics, the beacon frame that sends, send the gap periods duration of described beacon frame in timing statistics, calculate the total channel utilance.

16. a terminal is characterized in that, comprising:

Processing unit is used for obtaining N the total surplus channel capacity capacity of each access point of access set BSS network substantially, and described terminal is arranged in the public domain of described N BSS network, and N is the natural number greater than 1;

Access unit is used for selecting the access point access of total surplus channel capacity maximum from the access point of N BSS network.

17. terminal according to claim 16 is characterized in that, described processing unit comprises:

The first acquiring unit is used for according to the channel occupancy ratio of 40MHz bandwidth, the channel occupancy ratio of 80MHz bandwidth, the channel occupancy ratio of 160MHz bandwidth, obtains the channel occupancy ratio of 20MHz bandwidth;

The first computing unit is used for calculating the residue channel capacity of the 20MHz bandwidth of transmit time segments according to total channel utilance, the not utilization rate of space division multiplexing stream, the channel occupancy ratio of described 20MHz bandwidth;

The second computing unit is used for calculating the residue channel capacity of the 40MHz bandwidth of transmit time segments according to total channel utilance, the not utilization rate of space division multiplexing stream, the channel occupancy ratio of described 40MHz bandwidth;

The 3rd computing unit is used for calculating the residue channel capacity of the 80MHz bandwidth of transmit time segments according to total channel utilance, the not utilization rate of space division multiplexing stream, the channel occupancy ratio of described 80MHz bandwidth;

The 4th computing unit is used for calculating the residue channel capacity of the 160MHz bandwidth of transmit time segments according to total channel utilance, the not utilization rate of space division multiplexing stream, the channel occupancy ratio of described 160MHz bandwidth;

The 5th computing unit, the residue channel capacity of 160MHz bandwidth of residue channel capacity, transmit time segments of 80MHz bandwidth that is used for residue channel capacity, the transmit time segments of the 40MHz bandwidth of residue channel capacity, transmit time segments according to the 20MHz bandwidth of described transmit time segments is calculated the residue channel capacity of transmit time segments;

The 6th computing unit is used for calculating the not channel capacity of transmit time segments according to the maximum of total channel utilance, the bandwidth that can use, the maximum of space division multiplexing fluxion;

Second acquisition unit is used for according to the residue channel capacity of described transmit time segments, the channel capacity of described not transmit time segments, obtains the total surplus channel capacity of access point.

18. terminal according to claim 17 is characterized in that,

Described the first acquiring unit specifically is used for obtaining in the following way the channel occupancy ratio Twenty MHz Utilization of 20MHz bandwidth:

Twenty?MHz?Utilization＝255-Forty?MHz?Utilization

-Eighty?MHz?Utilization

-Hundred?Sixty?MHz?Utilization

Wherein,

described Forty MHz Utilization is the channel occupancy ratio of 40MHz bandwidth, described Eighty MHz Utilization is the channel occupancy ratio of 80MHz bandwidth, described Hundred Sixty MHz Utilization is the channel occupancy ratio of 160MHz bandwidth, described channel busy time is the occupied time of channel in timing statistics, described busy_bandwidth_40 is the time of 40MHz bandwidth occupancy, described busy_bandwidth_80 is the time of 80MHz bandwidth occupancy, described busy_bandwidth_160 is the time of 160MHz bandwidth occupancy,

Described the first computing unit specifically is used for calculating in the following way the residue channel capacity V of the 20MHz bandwidth of transmit time segments _{20, sendingLeft}:

$V_{20,\mathrm{sendingLeft}}=\frac{\mathrm{ChannelUtilization}*\mathrm{SpatialStreamUnder}-\mathrm{Utilization}*\mathrm{TwentyMHzUtilization}}{255*255*255}$

Wherein,

$\mathrm{ChannelUtilization}=\mathrm{Integer}\left(\frac{255*\mathrm{channelbusytime}}{N\_\mathrm{beacon}*P\_\mathrm{beacon}*1024}\right)$

$\mathrm{utilized}\_\mathrm{ss}\_\mathrm{time}=\underset{i=1}{\overset{N}{\mathrm{\Σ}}}{T}_i\·N_{\mathrm{STS},i}$

Described Channel Utilization is the total channel utilance, described Spatial Stream Under-Utilization is the not utilization rate of space division multiplexing stream, described N_beacon is the number of the interior beacon frame that sends of timing statistics, described P_beacon is for sending the gap periods duration of described beacon frame, described max_sup ported_N _ssBe the maximum of the space division multiplexing fluxion that can use, the time that utilized_ss_time takies for the space division multiplexing stream that has used, N _{STS, i}It is the time T in timing statistics _iThe space division multiplexing fluxion of interior use;

Described the second computing unit specifically is used for calculating in the following way the residue channel capacity V of the 40MHz bandwidth of transmit time segments _{40, sendingLeft}:

$V_{40,\mathrm{sendingLeft}}=\frac{\mathrm{ChannelUtilization}*\mathrm{SpatialStreamUnder}-\mathrm{Utilization}*\mathrm{FortyMHzUtilization}}{255*255*255}$

Described the 3rd computing unit specifically is used for calculating in the following way the residue channel capacity V of the 80MHz bandwidth of transmit time segments _{80, sendingLeft}:

$V_{80,\mathrm{sendingLeft}}=\frac{\mathrm{ChannelUtilization}*\mathrm{SpatialStreamUnder}-\mathrm{Utilization}*\mathrm{EightyMHzUtilization}}{255*255*255}$

Described the 4th computing unit specifically is used for calculating in the following way the residue channel capacity V of the 160MHz bandwidth of transmit time segments _{160, sendingLeft}:

$V_{160,\mathrm{sendingLeft}}=\frac{\mathrm{ChannelUtilization}*\mathrm{SpatialStreamUnder}-\mathrm{Utilization}*\mathrm{HundredSixtyMHzUtilization}}{255*255*255}$

Described the 5th computing unit specifically is used for calculating in the following way the residue channel capacity V of transmit time segments _SendingLeft:

V _sendingLeft＝V _{20，sendingLeft}*A+V _{40，sendingLeft}*2A+V _{80，sendingLeft}*4A+V _{160，sendingLeft}*8A

Wherein, A is the residue channel capacity proportionality coefficient of each bandwidth of transmit time segments;

Described the 6th computing unit specifically is used for calculating in the following way the not channel capacity V of transmit time segments _{Under_sendingLeft}:

$V_{\mathrm{under}\_\mathrm{sendingLeft}}=\frac{(255-\mathrm{ChannelUtilization})*\max \_\mathrm{supported}\_N_{\mathrm{ss}}}{255}*\frac{\max \_\mathrm{bandwidth}}{20}$

Wherein, described Channel Utilization is the total channel utilance, described max_sup ported_N _ssBe the maximum of the space division multiplexing fluxion that can use, max_bandwidth is the maximum of the bandwidth that can use;

Described second acquisition unit specifically is used for obtaining in the following way the total surplus channel capacity V of access point _Total:

V _total＝V _sendingLeft*η ₁+V _{under_sendingLeft}*η ₂

Wherein, 0≤η ₁＜η ₂≤ 1,

η ₁Be the residue channel capacity correction factor of transmit time segments, η ₂Be the channel capacity correction factor of transmit time segments not.

19. a terminal is characterized in that, comprising:

Receiving element, for the total channel utilance that the access point that receives N Basic Service Set BSS network is broadcasted separately, described terminal is arranged in the public domain of N BSS network, and N is the natural number greater than 1;

Access unit is used for when the minimum value in the total channel utilance of the access point of described N BSS network during less than the utilance threshold value that presets, and the access point of selection total channel utilance minimum accesses.

20. the access point apparatus in a basic service set networks is characterized in that, comprising:

Processing unit is for the total channel utilance of obtaining described access point;

Transmitting element is used for when described total channel utilance during greater than the utilance threshold value that presets, and the value of described total channel utilance is revised as the utilance thresholding, and the terminal transmission in the described BSS network.

21. access point apparatus according to claim 20, it is characterized in that, the gap periods duration of the number of the concrete beacon frame that is used for the time occupied according to channel in timing statistics, sends in timing statistics of described processing unit, the described beacon frame of transmission calculates the total channel utilance.

22. a method that accesses access point is characterized in that, comprising:

Access point in Basic Service Set BSS network generates forbids the access sign, describedly forbids that the access sign is used for forbidding the terminal described access point of access or forbids that terminal is presetting the described access point of access on bandwidth;

Described access point is broadcasted the described access sign of forbidding in beacon frame beacon, so that the terminal that listens to described beacon frame is no longer no longer initiated access to described access point to the terminal that described access point is initiated access or listened to described beacon frame described presetting on bandwidth.

23. the method for access access point according to claim 22 is characterized in that, the access point in described Basic Service Set BSS network generates forbids that the access sign comprises:

Described access point is revised as the overall utilization thresholding with the total channel utilance of described access point, and as forbidding the access sign, described overall utilization thresholding is used for forbidding the described access point of terminal access with described overall utilization thresholding.

24. the method for access access point according to claim 22 is characterized in that, the access point in described Basic Service Set BSS network generates forbids that the access sign comprises:

Described access point is set as the first preset value with the value of access control instruction, and as forbidding the access sign, described the first preset value is used for forbidding the described access point of terminal access with described the first preset value.

25. the method for access access point according to claim 22 is characterized in that, the access point in described Basic Service Set BSS network generates forbids that the access sign comprises:

Described access point is revised as the utilance thresholding with the channel utilization that presets bandwidth in described access point, and as forbidding the access sign, described utilance thresholding is used for forbidding that terminal accesses described access point described presetting on bandwidth with described utilance thresholding.

26. the method for access access point according to claim 22 is characterized in that, the access point in described Basic Service Set BSS network generates forbids that the access sign comprises:

Described access point is set as the second preset value with presetting value corresponding to bandwidth in the access control instruction, and as forbidding the access sign, described the second preset value is used for forbidding that terminal accesses described access point described presetting on bandwidth with described the second preset value.

27. a method that accesses access point is characterized in that, comprising:

Terminal intercept in Basic Service Set BSS network access point beacon frame beacon broadcasting forbid the access sign, describedly forbid that the access sign is used for forbidding the terminal described access point of access or forbids that terminal is presetting the described access point of access on bandwidth;

Forbid accessing marking terminal no longer to described access point initiation access according to described, or terminal is no longer initiated access to described access point described presetting on bandwidth.

28. the method for access access point according to claim 27 is characterized in that, describedly forbids accessing marking terminal and no longer initiates access to described access point and comprise according to described:

If describedly forbid accessing the overall utilization thresholding that is designated described access point, described terminal is no longer initiated access to described access point;

Or if described to forbid accessing the value that is designated the access control instruction be the first preset value, described terminal is no longer initiated access to described access point, and described the first preset value is used for forbidding the described access point of terminal access.

29. the method for access access point according to claim 27 is characterized in that, described terminal no longer comprises to described access point initiation access described presetting on bandwidth:

If describedly forbid accessing that to be designated the channel utilization that presets bandwidth in described access point be the utilance thresholding, terminal is no longer initiated access to described access point described presetting on bandwidth;

Or, if described forbid accessing be designated that to preset value corresponding to bandwidth in the access control signaling be the second preset value, terminal is no longer initiated access to described access point described presetting on bandwidth, and described the second preset value is used for forbidding that terminal accesses described access point described presetting on bandwidth.

30. the access point apparatus in a basic service set networks is characterized in that, comprising:

Generation unit be used for to generate and to forbid the access sign, describedly forbids that the access sign is used for forbidding the terminal described access point of access or forbids that terminal is presetting the described access point of access on bandwidth;

Radio unit, be used for forbidding the access sign beacon frame beacon broadcasting is described, so that the terminal that listens to described beacon frame is no longer no longer initiated access to described access point to the terminal that described access point is initiated access or listened to described beacon frame described presetting on bandwidth.

31. access point apparatus according to claim 30, it is characterized in that, described generation unit specifically is used for the total channel utilance of described access point is revised as the overall utilization thresholding, as forbidding the access sign, described overall utilization thresholding is used for forbidding the described access point of terminal access with described overall utilization thresholding.

32. access point apparatus according to claim 30, it is characterized in that, described generation unit specifically is used for the value of access control instruction is set as the first preset value, and as forbidding the access sign, described the first preset value is used for forbidding the described access point of terminal access with described the first preset value.

33. access point apparatus according to claim 30, it is characterized in that, described generation unit specifically is revised as the utilance thresholding for the channel utilization that described access point is preset bandwidth, as forbidding the access sign, described utilance thresholding is used for forbidding that terminal accesses described access point described presetting on bandwidth with described utilance thresholding.

34. access point apparatus according to claim 30, it is characterized in that, described generation unit is used for that specifically value corresponding to bandwidth preset in the access control instruction and is set as the second preset value, as forbidding the access sign, described the second preset value is used for forbidding that terminal accesses described access point described presetting on bandwidth with described the second preset value.

35. a terminal is characterized in that, comprising:

Intercept the unit, the access point that is used for intercepting Basic Service Set BSS network is forbidden the access sign beacon frame beacon broadcasting, describedly forbids that the access sign is used for forbidding the terminal described access point of access or forbids that terminal is presetting the described access point of access on bandwidth;

Forbid the unit, be used for forbidding accessing marking terminal no longer to described access point initiation access according to described, or terminal is no longer initiated access to described access point described presetting on bandwidth.

36. terminal according to claim 35 is characterized in that, describedly forbids that the unit specifically is used for:

If describedly forbid accessing the overall utilization thresholding that is designated described access point, no longer initiate access to described access point;

Or, if described to forbid accessing the value that is designated the access control instruction be the first preset value, no longer initiate access to described access point, described the first preset value is used for forbidding the described access point of terminal access.

37. terminal according to claim 35 is characterized in that, the bandwidth of using when described terminal describedly forbids that the unit specifically is used for when presetting bandwidth:

If describedly forbid accessing that to be designated the channel utilization that presets bandwidth in described access point be the utilance thresholding, no longer initiate access to described access point described presetting on bandwidth;

Or, if described forbid accessing be designated that to preset value corresponding to bandwidth in the access control signaling be the second preset value, no longer initiate access to described access point described presetting on bandwidth, described the second preset value is used for forbidding that terminal accesses described access point described presetting on bandwidth.

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