CN105357708A - Method, device and system for site to determine associated access point - Google Patents
Method, device and system for site to determine associated access point Download PDFInfo
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- CN105357708A CN105357708A CN201510651083.5A CN201510651083A CN105357708A CN 105357708 A CN105357708 A CN 105357708A CN 201510651083 A CN201510651083 A CN 201510651083A CN 105357708 A CN105357708 A CN 105357708A
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- access point
- comprehensive evaluation
- max
- signal strength
- received signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/20—Selecting an access point
Abstract
The invention provides a method, a device and a system for a site to determine an associated access point. The method comprises the following steps that the site obtains a received signal strength indication value and a comprehensive evaluation value of the access point, wherein the comprehensive evaluation value comprises CPU (Central Processing Unit) load degree, access load degree of the access point and an outlet bandwidth condition of the access point; when the site selects the access point to associate, the site screens a first candidate access point set from all searched access points according to the comprehensive evaluation value of the access point; and the site determines that the received signal strength indication values of all access points are not less than a set value in the first candidate access point set, screens a second candidate access point set according to the received signal strength indication value of the access point, and determines the access point associated with the site at the second candidate access point set according to the comprehensive evaluation value of the access point. According to the method, the device and the system, the accuracy for access to the proper access point is improved.
Description
Technical field
The present invention relates to wireless local area network technology field, particularly relate to a kind of methods, devices and systems of website determination association access point.
Background technology
Website (STA, Station) is generally client in WLAN (wireless local area network) (WLAN, WirelessLocalAreaNetworks), it can be the computer that wireless network card is housed, also can be the smart mobile phone having WiFi module, can be mobile, also can be fixing.The process of STA access comprises in wireless environments: whether certification STA has authority and access point (AP, AccessPoint) to set up link; STA can access WLAN; And STA accesses after wlan network, certification STA can the authority of accesses network.
Set up in the process of link at STA and AP, as STA by beacon (Beacon) frame or probe response (Proberesponse) frame scan to the service set identifier (SSID that can be accessed by, ServiceSetIdentifier) after, suitable SSID can be selected to access according to signal strength signal intensity instruction (RSSI, ReceivedSignalStrengthIndication) of the Beacon frame received or Proberesponse frame.
But only basis signal intensity decides to have access to following shortcoming: the cpu load degree not considering AP, the situations such as the access load of machinery systems of AP and the outlet bandwidth of AP, may cause STA to be linked into one and on inappropriate AP.
Summary of the invention
In view of this, the invention provides a kind of methods, devices and systems of website determination association access point, the accuracy being linked into suitable access point can be improved.
The invention provides a kind of method of website determination association access point, comprise: the received signal strength indicator value of station for acquiring access point and comprehensive evaluation, described comprehensive evaluation comprises cpu load degree, the access load of machinery systems of access point and the outlet bandwidth situation of access point; When website selects access point to associate, the comprehensive evaluation according to access point filters out the first candidates set in all access points searched; In described first candidates set, determine that the received signal strength indicator value of not all access point is all less than set point, then filter out the second candidates set according to the received signal strength indicator value of access point, and in described second candidates set, determine the access point with station associate according to the comprehensive evaluation of access point.
Further, the received signal strength indicator value of described station for acquiring access point and comprehensive evaluation, be specially: website passes through periodically to receive the received signal strength indicator value from the beacon frame acquisition access point of access point and comprehensive evaluation; And/or website, by sending probe requests thereby frame search association access point, if receive probing response frame, then obtains received signal strength indicator value and the comprehensive evaluation of access point from probing response frame.
Further, at described beacon frame and described probing response frame new field respectively, and comprehensive evaluation is added in new field.
Further, the create-rule of described comprehensive evaluation is: if X<X
mAXand Y<Y
mAXand Z<Z
mAX, then M=α (X/X
mAX)+β (Y/Y
mAX)+γ (Z/Z
mAX); Wherein, α, β, γ be respectively be greater than 0 and be less than 1 weighted value, and alpha+beta+γ=1; X is the cpu load degree of current collection, X
mAXfor CPU maximum load degree, Y is the access load of machinery systems of the access point of current collection, Y
mAXfor the maximum access load of machinery systems of access point, Z is the outlet bandwidth situation of the access point of current collection, Z
mAXfor the maximum outlet bandwidth situation of access point, M is comprehensive evaluation.
Further, the described comprehensive evaluation according to access point filters out the first candidates set in all access points searched, be specially: when website selects access point to associate, can signal be received and the access point alternatively access point that can associate all; In described candidates, delete the access point of comprehensive evaluation M=1.0, form the first candidates set.
Further, described method also comprises: in described first candidates set, if determine that the received signal strength indicator value of all access points is all less than set point, the access point selecting received signal strength indicator value maximum is as the access point with station associate.
Further, the described received signal strength indicator value according to access point filters out the second candidates set, and in described second candidates set, the access point with station associate is determined according to the comprehensive evaluation of access point, be specially: if the received signal strength indicator value of not all access point is all less than set point in the first candidates set, then filter out the access point that received signal strength indicator value is greater than set point and form the second candidates set, and in described second candidates set, the access point selecting comprehensive evaluation maximum is as the access point with station associate.
Present invention also offers a kind of device for website determination association access point, comprising: acquisition module, for obtaining received signal strength indicator value and the comprehensive evaluation of access point; Relating module, during for selecting access point to associate when website, the comprehensive evaluation according to access point filters out the first candidates set in all access points searched; In described first candidates set, determine that the received signal strength indicator value of not all access point is all less than set point, then filter out the second candidates set according to the received signal strength indicator value of access point, and in described second candidates set, determine the access point with station associate according to the comprehensive evaluation of access point.
Further, described acquisition module, specifically for: obtain the received signal strength indicator value of access point and comprehensive evaluation by the beacon frame periodically received from access point; And/or, by sending probe requests thereby frame search association access point, if receive probing response frame, received signal strength indicator value and the comprehensive evaluation of access point is then obtained from probing response frame, wherein, described beacon frame and described probing response frame new field respectively, and comprehensive evaluation is added in new field.
Further, described relating module, specifically for: when website selects access point to associate, can signal be received and the access point alternatively access point that can associate all; In described candidates, delete the access point of comprehensive evaluation M=1.0, form the first candidates set; In described first candidates set, if determine that the received signal strength indicator value of all access points is all less than set point, the access point selecting received signal strength indicator value maximum is as the access point with station associate; If the received signal strength indicator value of not all access point is all less than set point in the first candidates set, then filter out the access point that received signal strength indicator value is greater than set point and form the second candidates set, and in described second candidates set, the access point selecting comprehensive evaluation maximum is as the access point with station associate.
Present invention also offers a kind of system for website determination association access point, comprise: access point, for carrying the received signal strength indicator value of access point and the beacon frame of comprehensive evaluation and/or probing response frame sending to website, described comprehensive evaluation comprises cpu load degree, the access load of machinery systems of access point and the outlet bandwidth situation of access point; Website, for obtaining received signal strength indicator value and the comprehensive evaluation of access point from beacon frame and/or probing response frame; When website selects access point to associate, the comprehensive evaluation according to access point filters out the first candidates set in all access points searched; In described first candidates set, determine that the received signal strength indicator value of not all access point is all less than set point, then filter out the second candidates set according to the received signal strength indicator value of access point, and in described second candidates set, determine the access point with station associate according to the comprehensive evaluation of access point.
Further, described access point is new field in described beacon frame and described probing response frame, and is added in new field by comprehensive evaluation.
Further, described website, specifically for: when website selects access point to associate, can signal be received and the access point alternatively access point that can associate all; In described candidates, delete the access point of comprehensive evaluation M=1.0, form the first candidates set; In described first candidates set, if determine that the received signal strength indicator value of all access points is all less than set point, the access point selecting received signal strength indicator value maximum is as the access point with station associate; If the received signal strength indicator value of not all access point is all less than set point in the first candidates set, then filter out the access point that received signal strength indicator value is greater than set point and form the second candidates set, and in described second candidates set, the access point selecting comprehensive evaluation maximum is as the access point with station associate.
Compared to the prior art, beneficial effect of the present invention is: carry comprehensive evaluation by the new field of beacon frame and probing response frame, then website can get received signal strength indicator value and comprehensive evaluation.When carrying out website and selecting access point operation associated, the access point accessed comprehensively is determined by received signal strength indicator value and comprehensive evaluation, to overcome in prior art the variety of problems that the access point that only decides to access according to received signal strength indicator value causes, thus improve the accuracy being linked into suitable access point.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the method for website determination association access point disclosed in this invention.
Fig. 2 is the structural representation of the device for website determination association access point disclosed in this invention.
Fig. 3 is the configuration diagram of the system for website determination association access point disclosed in this invention.
Embodiment
Describe the present invention below with reference to embodiment shown in the drawings; but these execution modes do not limit the present invention, the structure that those of ordinary skill in the art makes according to these execution modes, method or conversion functionally are all included in protection scope of the present invention.
Fig. 1 is the schematic flow sheet of the method for website determination association access point disclosed in this invention.With reference to Fig. 1, method of the present invention, comprising:
Step 101, website (STA) obtains received signal strength indicator (RSSI) value and the comprehensive evaluation of access point (AP), and this comprehensive evaluation comprises cpu load degree, the access load of machinery systems of AP and the outlet bandwidth situation of AP.
In this step, STA can obtain RSSI value and the comprehensive evaluation of AP by beacon (Beacon) frame periodically received from AP; STA can also obtain RSSI value and the comprehensive evaluation of AP by search associated AP, such as STA is by sending probe requests thereby (ProbeRequest) frame search associated AP, if receive probe response (ProbeResponse) frame from associated AP, then obtain RSSI value and the comprehensive evaluation of AP from ProbeResponse frame.
Be compared to prior art, AP adds Comprehensive Assessment value parameter in the Beacon frame sent to STA and ProbeResponse frame, wherein,
In Beacon frame, increase Comprehensive Assessment value parameter, be specially:
AP periodically collects self evaluation information, and this evaluation information comprises cpu load degree (X), the access load of machinery systems (Y) of AP and the outlet bandwidth situation (Z) of AP.Wherein, the cycle is the cycle that AP sends Beacon frame, such as, be defaulted as 100ms.
AP by evaluation information according to the generate rule comprehensive evaluation (M) pre-set, as follows:
If X<X
mAXand Y<Y
mAXand Z<Z
mAX, then M=α (X/X
mAX)+β (Y/Y
mAX)+γ (Z/Z
mAX);
Wherein, α, β, γ be respectively be greater than 0 and be less than 1 weighted value, and alpha+beta+γ=1; X is the cpu load degree of current collection, X
mAXfor CPU maximum load degree, Y is the access load of machinery systems of the access point of current collection, Y
mAXfor the maximum access load of machinery systems of access point, Z is the outlet bandwidth situation of the access point of current collection, Z
mAXfor the maximum outlet bandwidth situation of access point, M is comprehensive evaluation.X
mAX, Y
mAXand Z
mAXcan be identical, also can be different, such as dissimilar AP, X
mAX, Y
mAXand Z
mAXfor different value.
Such as: X<X
mAXand Y<Y
mAXand Z<Z
mAX, then M=0.33 (X/X
mAX)+0.33 (Y/Y
mAX)+0.33 (Z/Z
mAX);
X=X
mAXor Y=Y
mAXor Z=Z
mAX, then M=1.0.
The index of AP is as follows:
Maximum cpu load is 800MIPS, currently uses 300MIPS, then X=300, X
mAX=800;
Maximum access load is 100 STA, has currently accessed 90 STA, then Y=90, Y
mAX=100;
Outlet bandwidth is 1000Mbps, currently uses 50Mbps, then Z=50, X
mAX=1000;
Then comprehensive evaluation M=0.33 (300/800)+0.33 (90/100)+0.33 (50/1000)=0.44.
AP generates the Beacon frame periodically outside transmission Beacon frame that carry comprehensive evaluation.Compared to prior art, the Beacon frame new field VendorSpecificIE field in the specific embodiment of the invention, is used for placed comprehensive assessed value.If STA receives Beacon frame, then can get the comprehensive evaluation of this AP from newly-increased VendorSpecificIE field.
In ProbeResponse frame, increase Comprehensive Assessment value parameter, be specially:
After AP receives the ProbeRequest frame from STA, collect the evaluation information of self, this evaluation information comprises cpu load degree (X), the access load of machinery systems (Y) of AP and the outlet bandwidth situation (Z) of AP.
AP by evaluation information according to the generate rule comprehensive evaluation (M) pre-set, as follows:
If X<X
mAXand Y<Y
mAXand Z<Z
mAX, then M=α (X/X
mAX)+β (Y/Y
mAX)+γ (Z/Z
mAX);
Wherein, α, β, γ be respectively be greater than 0 and be less than 1 weighted value, and alpha+beta+γ=1; The definition of concrete each parameter, described by front Beacon frame, is therefore not repeated herein.
AP generation carries the ProbeResponse frame of comprehensive evaluation and sends this ProbeResponse frame to STA.Compared to prior art, the ProbeResponse frame new field in the specific embodiment of the invention, is used for placed comprehensive assessed value.If STA receives ProbeResponse frame, then can get the comprehensive evaluation of this AP from new field.
In this step, can further include the comprehensive evaluation of each AP that STA buffer memory gets from Beacon frame and ProbeResponse frame and upgrade according to the comprehensive evaluation of each AP of up-to-date acquisition.
Step 102, when STA selects AP to associate, filters out the first candidate AP according to the comprehensive evaluation of AP and gathers.
In this step, STA all can receive signal and the AP alternatively AP that can associate, the AP that can the associate SSID that refers to this AP for open be WAP or WAP2 without password or SSID.
At X=X
mAXor Y=Y
mAXor Z=Z
mAX, namely when comprehensive evaluation M=1.0, because the outlet bandwidth situation of the cpu load degree of AP self or the access load of machinery systems of AP or AP all reaches maximum, so be not suitable as associated AP.Therefore, in candidate AP, delete the AP of comprehensive evaluation M=1.0, form the first candidate AP and gather.
Step 103, in the first candidate AP gathers, judges whether the RSSI value of all AP is all less than set point, if so, carry out step 104; If not, carry out step 105.
In this step, RSSI is the important references index of associated AP, if RSSI value is less than set point, such as-60dBm, usually can cause the wireless connections of STA and AP unstable, therefore carry out the judgement of RSSI power.
Step 104, in the first candidate AP gathers, determines the AP associated with STA according to RSSI value.
In this step, if the RSSI value of all AP is all less than-60dBm in the first candidate AP set, then the AP selecting RSSI value maximum is as the AP associated with STA.
Step 105, filters out the second candidate AP according to the RSSI value of AP and gathers, and gather at the second candidate AP, determine the AP associated with STA according to the comprehensive evaluation of AP.
In this step, if the first candidate AP gather in the RSSI value of not all AP be all less than-60dBm, then filter out AP that RSSI value is greater than-60dBm and form the second candidate AP and gather.Gather at the second candidate AP, the AP selecting comprehensive evaluation maximum is as the AP associated with STA.
Present invention also offers a kind of device for website determination association access point, as shown in Figure 2, comprising:
Acquisition module 201, periodically receives the RSSI value from the Beacon frame acquisition AP of AP and comprehensive evaluation for passing through; And/or, by sending ProbeRequest frame search associated AP, if receive ProbeResponse frame, RSSI value and the comprehensive evaluation of AP is then obtained from ProbeResponse frame, wherein, described Beacon frame and described ProbeResponse frame new field, be used for placed comprehensive assessed value, and comprehensive evaluation comprises cpu load degree, the access load of machinery systems of AP and the outlet bandwidth situation of AP;
Relating module 202, during for selecting AP to associate as STA, can receive signal and the AP alternatively AP that can associate all; In described candidate AP, delete the AP of comprehensive evaluation M=1.0, form the first candidate AP and gather; In described first candidate AP gathers, if determine that the RSSI value of all AP is all less than set point, the AP selecting RSSI value maximum is as the AP associated with STA; If the RSSI value of not all AP is all less than set point during the first candidate AP gathers, then filter out AP that RSSI value is greater than set point to form the second candidate AP and gather, and gather at described second candidate AP, the AP selecting comprehensive evaluation maximum is as the AP associated with STA.
Present invention also offers a kind of system for website determination association access point, as shown in Figure 3, comprising:
AP, for carrying the RSSI value of AP and the Beacon frame of comprehensive evaluation and/or ProbeResponse frame sending to site STA, wherein, described Beacon frame and described ProbeResponse frame new field respectively, be used for placed comprehensive assessed value, comprehensive evaluation comprises cpu load degree, the access load of machinery systems of AP and the outlet bandwidth situation of AP;
STA, for obtaining RSSI value and the comprehensive evaluation of AP from Beacon frame and/or ProbeResponse frame; When STA selects AP to associate, signal can be received and the AP alternatively AP that can associate all; In described candidate AP, delete the AP of comprehensive evaluation M=1.0, form the first candidate AP and gather; In described first candidate AP gathers, if determine that the RSSI value of all AP is all less than set point, the AP selecting RSSI value maximum is as the AP associated with STA; If the RSSI value of not all AP is all less than set point during the first candidate AP gathers, then filter out AP that RSSI value is greater than set point to form the second candidate AP and gather, and gather at described second candidate AP, the AP selecting comprehensive evaluation maximum is as the AP associated with STA.
Of the present inventionly determine the device of associated AP for STA and determine that relevant technical details in the system of associated AP and aforesaid STA determine that the method for associated AP is similar for STA, therefore being not repeated herein.
Although the present invention discloses as above with preferred embodiment, the present invention is not defined in this.Any those skilled in the art, without departing from the spirit and scope of the present invention, all can make various changes or modifications, and therefore protection scope of the present invention should be as the criterion with claim limited range.To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.
Claims (15)
1. a method for website determination association access point, is characterized in that, comprising:
The received signal strength indicator value of station for acquiring access point and comprehensive evaluation, described comprehensive evaluation comprises cpu load degree, the access load of machinery systems of access point and the outlet bandwidth situation of access point;
When website selects access point to associate, the comprehensive evaluation according to access point filters out the first candidates set in all access points searched;
In described first candidates set, determine that the received signal strength indicator value of not all access point is all less than set point, then filter out the second candidates set according to the received signal strength indicator value of access point, and in described second candidates set, determine the access point with station associate according to the comprehensive evaluation of access point.
2. the method for website determination association access point as claimed in claim 1, it is characterized in that, the received signal strength indicator value of described station for acquiring access point and comprehensive evaluation, be specially:
Website passes through periodically to receive the received signal strength indicator value from the beacon frame acquisition access point of access point and comprehensive evaluation; And/or,
Website, by sending probe requests thereby frame search association access point, if receive probing response frame, then obtains received signal strength indicator value and the comprehensive evaluation of access point from probing response frame.
3. the method for website determination association access point as claimed in claim 2, is characterized in that, at described beacon frame and described probing response frame new field respectively, and is added in new field by comprehensive evaluation.
4. the method for website determination association access point as claimed in claim 1, it is characterized in that, the create-rule of described comprehensive evaluation is:
If X<X
mAXand Y<Y
mAXand Z<Z
mAX, then M=α (X/X
mAX)+β (Y/Y
mAX)+γ (Z/Z
mAX);
Wherein, α, β, γ be respectively be greater than 0 and be less than 1 weighted value, and alpha+beta+γ=1; X is the cpu load degree of current collection, X
mAXfor CPU maximum load degree, Y is the access load of machinery systems of the access point of current collection, Y
mAXfor the maximum access load of machinery systems of access point, Z is the outlet bandwidth situation of the access point of current collection, Z
mAXfor the maximum outlet bandwidth situation of access point, M is comprehensive evaluation.
5. the method for website determination association access point as claimed in claim 4, it is characterized in that, the described comprehensive evaluation according to access point filters out the first candidates set in all access points searched, and is specially:
When website selects access point to associate, signal can be received and the access point alternatively access point that can associate all; In described candidates, delete the access point of comprehensive evaluation M=1.0, form the first candidates set.
6. the method for the website determination association access point as described in claim 1 or 5, it is characterized in that, described method also comprises: in described first candidates set, if determine that the received signal strength indicator value of all access points is all less than set point, the access point selecting received signal strength indicator value maximum is as the access point with station associate.
7. the method for website determination association access point as claimed in claim 6, it is characterized in that, the described received signal strength indicator value according to access point filters out the second candidates set, and in described second candidates set, determine, with the access point of station associate, to be specially according to the comprehensive evaluation of access point:
If the received signal strength indicator value of not all access point is all less than set point in the first candidates set, then filter out the access point that received signal strength indicator value is greater than set point and form the second candidates set, and in described second candidates set, the access point selecting comprehensive evaluation maximum is as the access point with station associate.
8. for a device for website determination association access point, it is characterized in that, comprising:
Acquisition module, for obtaining received signal strength indicator value and the comprehensive evaluation of access point;
Relating module, during for selecting access point to associate when website, the comprehensive evaluation according to access point filters out the first candidates set in all access points searched; In described first candidates set, determine that the received signal strength indicator value of not all access point is all less than set point, then filter out the second candidates set according to the received signal strength indicator value of access point, and in described second candidates set, determine the access point with station associate according to the comprehensive evaluation of access point.
9. as claimed in claim 8 for the device of website determination association access point, it is characterized in that, described acquisition module, specifically for: obtain the received signal strength indicator value of access point and comprehensive evaluation by the beacon frame periodically received from access point; And/or, by sending probe requests thereby frame search association access point, if receive probing response frame, received signal strength indicator value and the comprehensive evaluation of access point is then obtained from probing response frame, wherein, described beacon frame and described probing response frame new field respectively, and comprehensive evaluation is added in new field.
10., as claimed in claim 8 for the device of website determination association access point, it is characterized in that, the create-rule of described comprehensive evaluation is:
If X<X
mAXand Y<Y
mAXand Z<Z
mAX, then M=α (X/X
mAX)+β (Y/Y
mAX)+γ (Z/Z
mAX);
Wherein, α, β, γ be respectively be greater than 0 and be less than 1 weighted value, and alpha+beta+γ=1; X is the cpu load degree of current collection, X
mAXfor CPU maximum load degree, Y is the access load of machinery systems of the access point of current collection, Y
mAXfor the maximum access load of machinery systems of access point, Z is the outlet bandwidth situation of the access point of current collection, Z
mAXfor the maximum outlet bandwidth situation of access point, M is comprehensive evaluation.
11. as claimed in claim 10 for the device of website determination association access point, it is characterized in that, described relating module, specifically for: when website selects access point to associate, can signal be received and the access point alternatively access point that can associate all; In described candidates, delete the access point of comprehensive evaluation M=1.0, form the first candidates set; In described first candidates set, if determine that the received signal strength indicator value of all access points is all less than set point, the access point selecting received signal strength indicator value maximum is as the access point with station associate; If the received signal strength indicator value of not all access point is all less than set point in the first candidates set, then filter out the access point that received signal strength indicator value is greater than set point and form the second candidates set, and in described second candidates set, the access point selecting comprehensive evaluation maximum is as the access point with station associate.
12. 1 kinds for the system of website determination association access point, is characterized in that, comprising:
Access point, for carrying the received signal strength indicator value of access point and the beacon frame of comprehensive evaluation and/or probing response frame sending to website, described comprehensive evaluation comprises cpu load degree, the access load of machinery systems of access point and the outlet bandwidth situation of access point;
Website, for obtaining received signal strength indicator value and the comprehensive evaluation of access point from beacon frame and/or probing response frame; When website selects access point to associate, the comprehensive evaluation according to access point filters out the first candidates set in all access points searched; In described first candidates set, determine that the received signal strength indicator value of not all access point is all less than set point, then filter out the second candidates set according to the received signal strength indicator value of access point, and in described second candidates set, determine the access point with station associate according to the comprehensive evaluation of access point.
13. as claimed in claim 12 for the system of website determination association access point, and it is characterized in that, described access point is new field in described beacon frame and described probing response frame, and is added in new field by comprehensive evaluation.
14. as claimed in claim 12 for the system of website determination association access point, and it is characterized in that, the create-rule of described comprehensive evaluation is:
If X<X
mAXand Y<Y
mAXand Z<Z
mAX, then M=α (X/X
mAX)+β (Y/Y
mAX)+γ (Z/Z
mAX);
Wherein, α, β, γ be respectively be greater than 0 and be less than 1 weighted value, and alpha+beta+γ=1; X is the cpu load degree of current collection, X
mAXfor CPU maximum load degree, Y is the access load of machinery systems of the access point of current collection, Y
mAXfor the maximum access load of machinery systems of access point, Z is the outlet bandwidth situation of the access point of current collection, Z
mAXfor the maximum outlet bandwidth situation of access point, M is comprehensive evaluation.
15., as claimed in claim 13 for the system of website determination association access point, is characterized in that, described website, specifically for: when website selects access point to associate, can signal be received and the access point alternatively access point that can associate all; In described candidates, delete the access point of comprehensive evaluation M=1.0, form the first candidates set; In described first candidates set, if determine that the received signal strength indicator value of all access points is all less than set point, the access point selecting received signal strength indicator value maximum is as the access point with station associate; If the received signal strength indicator value of not all access point is all less than set point in the first candidates set, then filter out the access point that received signal strength indicator value is greater than set point and form the second candidates set, and in described second candidates set, the access point selecting comprehensive evaluation maximum is as the access point with station associate.
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| WO2016197809A2 (en) * | 2016-03-30 | 2016-12-15 | 中兴通讯股份有限公司 | Access point switching method and device |
| CN106412952A (en) * | 2016-09-14 | 2017-02-15 | 上海斐讯数据通信技术有限公司 | Methods, client and access point for monitoring access point state |
| CN106604334A (en) * | 2016-12-20 | 2017-04-26 | 华中科技大学 | Multi-attribute switching method and system based on QoS and GPS in aerospace network |
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| CN106412952A (en) * | 2016-09-14 | 2017-02-15 | 上海斐讯数据通信技术有限公司 | Methods, client and access point for monitoring access point state |
| WO2018109538A1 (en) * | 2016-12-15 | 2018-06-21 | Ruby Minerva Company Limited | Method and system for determining optimized paths of client devices |
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| CN106792575A (en) * | 2017-02-23 | 2017-05-31 | 上海斐讯数据通信技术有限公司 | A kind of load-balancing method and system based on terminal association real-time signal strength |
| CN109104753A (en) * | 2017-06-21 | 2018-12-28 | 中兴通讯股份有限公司 | wireless local area network access method, device, equipment and storage medium |
| CN109219110A (en) * | 2017-06-29 | 2019-01-15 | 青岛恒金源电子科技有限公司 | The cut-in method of wireless device in a kind of intelligent hospital |
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| CN110446241A (en) * | 2019-07-09 | 2019-11-12 | 广东以诺通讯有限公司 | A kind of WiFi selection cut-in method, AP hot spot and terminal |
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