CN104144455A - Method and device for improving communication quality in wireless fidelity network environment - Google Patents
Method and device for improving communication quality in wireless fidelity network environment Download PDFInfo
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- CN104144455A CN104144455A CN201310162491.5A CN201310162491A CN104144455A CN 104144455 A CN104144455 A CN 104144455A CN 201310162491 A CN201310162491 A CN 201310162491A CN 104144455 A CN104144455 A CN 104144455A
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Abstract
The invention provides a method and device for improving the communication quality in a wireless fidelity network environment. The method includes the steps that an access point transmits an update event to a controller, and the update event carries the channel quality parameter of the current working channel of the access point, so that the service traffic of a workstation under the access point is checked by the controller when the channel quality parameter is smaller than a first preset value, and a switching event is transmitted to the access point by the controller when the service traffic of the workstation is smaller than a second preset value; the switching event transmitted by the controller is received, and the working channel is switched according to the switching event. The access point comprises a receiving module, a transmitting module and a processing module. Through the scheme, the communication quality of the workstation in the WIFI network environment is effectively improved, and better using experience is brought to a user.
Description
Technical field
The present invention relates to the communication technology, relate in particular to a kind of Wireless Fidelity (Wireless Fidelity, referred to as: WIFI) net environment improves the method and apparatus of communication quality.
Background technology
Along with popularizing of mobile WIFI technology, increasing wireless product is being shared open frequency spectrum resource.This just makes interference problem between wireless signal also day by day seriously.For example, the interference to WIFI network such as the self-interference of WIFI network adjacent channel, cordless telephone, microwave oven, bluetooth, has all caused the signal of WIFI network on open frequency range not good.
In prior art, can reduce in the following way interference: if the uplink band of terminal has interference to some channel of WIFI, some channel of WIFI is masked, or increase filter filtering clutter.But do like this used spectral bandwidth that can greatly reduce WIFI network, the increase that brings power consumption and cost, causes user's experience variation.
Summary of the invention
The invention provides the method and apparatus that a kind of Wireless Fidelity WIFI net environment improves communication quality, can improve the communication quality of WIFI net environment work station, reduce the interference of noise to work station, promote user and experience.
First aspect, provides a kind of Wireless Fidelity WIFI net environment to improve the method for communication quality, comprising:
Access point sends more new events to controller, in described more new events, carry the channel quality parameter of described access point work at present channel, so that described controller checks the service traffics of work station under described access point in the time that described channel quality parameter is less than the first preset value, and in the time that being less than the second preset value, the service traffics of described work station send handover event to described access point;
Receive the handover event that described controller sends, according to described handover event switch operating channel.
The first of first aspect may implementation in, described access point sends that more new events is to before controller, described method also comprises:
Access point detects the channel quality of work at present channel, obtains the channel quality parameter of work at present channel.
In the second of first aspect may implementation, describedly comprise according to described handover event switch operating channel:
Described access point scans the communication environment of WIFI network, obtains the channel quality parameter of WIFI network;
According to the channel quality parameter of described WIFI network, the top-quality channel of selective channel is as working channel, and indicates described work station to access selected working channel.
In conjunction with the second possibility implementation of first aspect, in the third possibility implementation of first aspect, before described access point scans the communication environment of WIFI network, described method also comprises:
Described access point receives the triggering signal of scanning communication environment; Described triggering signal is indication information or temporal information.
In conjunction with any one implementation in the above-mentioned multiple possibility implementation of first aspect, in the 4th kind of implementation of first aspect, described channel quality parameter comprises: received signal strength indicator RSSI, and/or, signal and interference and noise ratio SINR.
Second aspect, provides a kind of Wireless Fidelity WIFI net environment to improve the method for communication quality, comprising: controller receives the more new events that access point sends, the channel quality parameter of carrying described access point work at present channel in described more new events;
Whether the channel quality parameter that judges described access point work at present channel is less than the first preset value, if be less than, check the service traffics of work station under described access point, if the service traffics of described work station are less than the second preset value, send handover event to access point, so that described access point is according to described handover event switch operating channel.
The third aspect, provides a kind of access point, comprising:
Sending module, be used for sending more new events to controller, in described more new events, carry the channel quality parameter of described access point work at present channel, so that described controller checks the service traffics of work station under described access point in the time that described channel quality parameter is less than the first preset value, and in the time that being less than the second preset value, the service traffics of described work station send handover event to described access point;
Receiver module, the handover event sending for receiving described controller;
Handover module, for according to described handover event switch operating channel.
In the first possibility implementation of a third aspect of the present invention, also comprise:
Detection module, for detection of the channel quality of work at present channel, obtains the channel quality parameter of work at present channel.
In the second possibility implementation of a third aspect of the present invention, described handover module comprises:
Scanning element, for the communication environment of WIFI network is scanned, obtains the channel quality parameter of WIFI network;
Indicating member, for according to the channel quality parameter of described WIFI network, the top-quality channel of selective channel is as working channel, and indicates described work station to access selected working channel.
May implementation in conjunction with the second of a third aspect of the present invention, in the third of a third aspect of the present invention may implementation, described receiver module also for:
Receive the triggering signal of scanning communication environment; Described triggering signal is indication information or temporal information.
In conjunction with any one implementation in the above-mentioned multiple possibility implementation of the third aspect, in the 4th kind of implementation of the third aspect, described channel quality parameter comprises: received signal strength indicator RSSI, and/or, signal and interference and noise ratio SINR.
A fourth aspect of the present invention is to provide a kind of controller, comprising:
Receiver module, the more new events sending for receiving access point, the channel quality parameter of carrying described access point work at present channel in described more new events;
Processing module, for judging whether the channel quality parameter of described access point work at present channel is less than the first preset value, if be less than, check the service traffics of work station under described access point, if the service traffics of described work station are less than the second preset value, send handover event to access point, so that described access point is according to described handover event switch operating channel.
Technique effect of the present invention is: the channel quality that initiatively sends working channel by AP is to controller, and judged whether to carry out the change of working channel by controller, change if needed, controller notice AP carries out channel switching, work station under AP can be always worked on the measured channel of matter, effectively ensured the communication quality of WIFI net environment work station.
Brief description of the drawings
Fig. 1 is the flow chart that WIFI net environment provided by the invention improves an embodiment of the method for communication quality;
Fig. 2 is the flow chart that WIFI net environment provided by the invention improves another embodiment of the method for communication quality;
Fig. 3 is the flow chart that WIFI net environment provided by the invention improves another embodiment of the method for communication quality;
Fig. 4 is the structural representation of an embodiment of access point provided by the invention;
Fig. 5 is the structural representation of another embodiment of access point provided by the invention;
Fig. 6 is the structural representation of an embodiment of controller provided by the invention;
Fig. 7 is the structural representation of an embodiment of access point provided by the invention;
Fig. 8 is the structural representation of an embodiment of controller provided by the invention.
Embodiment
Fig. 1 is the flow chart that WIFI net environment provided by the invention improves an embodiment of the method for communication quality, and as shown in Figure 1, the method for the present embodiment comprises:
101, access point (Access Point, referred to as: AP) send more new events to controller, the channel quality parameter that this more carries this AP work at present channel in new events, so that this controller checks the service traffics of work station under this AP in the time that channel quality parameter is less than the first preset value, and in the time that being less than the second preset value, the service traffics of work station send handover event to this AP;
Here it should be noted that, this controller can be the physical entity of individualism, can be also software function module.It is upper that software function module can be arranged on AP, also can be arranged on access controller (Access Controller, referred to as: AC) upper, or be arranged on other physical entities.A software function module can provide service for one, two even plural AP.
Below an AP, can access one or more work station, under the inspection AP mentioning in 101, the service traffics of work station can be understood as: in the time of a work station of AP access, calculate the service traffics of this work station; In the time of more than one work station of AP access, calculate the service traffics of whole work stations.
102, this AP receives the handover event that this controller sends, according to handover event switch operating channel.
On the basis of above-mentioned execution mode, as shown in Figure 2, before 101, the method can also comprise:
100, AP detects the channel quality of work at present channel, obtains the channel quality parameter of work at present channel.
The parameter that can reflect channel quality has a lot, and the embodiment of the present invention is used separately or uses simultaneously as example taking following two parameters and describes, more accurate to the assessment of channel quality in situation about simultaneously using.These two parameters are respectively: received signal strength indicator (Received Signal Strength Indication, referred to as: RSSI) and signal and interference and noise ratio (Signal to Interference plus Noise Ratio, referred to as: SINR).
Wherein, for Mobile WiFi equipment, in the time of be less than or equal to-100db of signal strength signal intensity RSSI value, a little less than illustrating that signal strength signal intensity too, cannot meet communicating requirement, when RSSI value is during for be more than or equal to-70db, illustrate that signal strength signal intensity can meet wireless network card networking requirement, in the time of be more than or equal to-50db of RSSI value, illustrate that signal strength signal intensity is fine, can ensure to stablize lasting network access requirements.
And SINR is intensity for measuring the useful signal receiving and the ratio of the intensity of the interference signal (noise-plus-interference) receiving, for example, when useful signal intensity be-when 50db, the signal strength signal intensity of noise-plus-interference is-100db, SINR value 1/2, illustrate that channel communication quality is fine, useful signal is obviously better than unwanted signal, wireless network can provide high performance access services, in the time that SINR value approaches 1, illustrate that useful signal and unwanted signal are suitable, channel communication quality is general, the access services that primary demand can be provided of wireless network, in the time that SINR value is greater than 1, illustrate that unwanted signal is obviously better than useful signal, channel communication is second-rate, wireless network is unstable, may occur that network interrupts maybe cannot providing access services.
Also it should be noted that, AP can regularly detect the channel quality of work at present channel, also can be according to setting the channel quality that detects work at present channel.
It will also be appreciated that, AP can send more new events in the time that the channel quality parameter of work at present channel changes, to controller, can also detect the channel quality of work at present channel, does not judge whether to change, report more new events to controller, in the application, to be not specifically limited.
On the basis of above-mentioned execution mode, 102 specifically can comprise:
102-1, AP scan the communication environment of WIFI network, obtain the channel quality parameter of WIFI network.
Here it should be noted that, owing to can comprising multiple channels in WIFI network, therefore, above-mentioned acquisition can be individual channel mass parameter, can be also the form such as list, grouping of multiple channel quality parameter composition.
Further, before 102-1, can also comprise:
102-0, AP receive the triggering signal of scanning communication environment, and this triggering signal can be indication information or temporal information.
It should be noted that, AP scans for the communication environment of WIFI network, can be that network manager's manual triggers sends indication information to AP, can be also clocked flip, i.e. temporal information.
The WIFI net environment that the embodiment of the present invention provides improves the method for communication quality, send more new events to controller by AP, meet pre-conditioned Time Controller transmission handover event to AP, so that AP can be switched on the channel that signal quality is good when the channel quality variation of working channel, effectively provide communication quality.
Fig. 3 is the flow chart that WIFI net environment provided by the invention improves another embodiment of the method for communication quality, the method that this embodiment provides and the method shown in Fig. 1 and Fig. 2 are identical flow process, difference is: Fig. 1 and Fig. 2 describe this process from the angle of AP, and Fig. 3 describes this process from the angle of controller, details part can, with reference to the process shown in figure 1 and Fig. 2, not be described in detail herein.As shown in Figure 3, the method comprises:
301, controller receives the more new events that AP sends, the channel quality parameter that this more carries AP work at present channel in new events.
Whether the channel quality parameter that 302, judges AP work at present channel is less than the first preset value;
If be less than, carry out 303.
If be more than or equal to, method ends.
303, detect the service traffics of work station under AP; If the service traffics of work station are less than the second preset value, send handover event to AP, so that AP is according to handover event switch operating channel.
Here the first preset value of mentioning can be understood as available channel quality threshold, and the average traffic flow that the second preset value is work station, as 0.5Kbps.Available channel quality threshold can arrange many grades, for the situation of many grades of available channel quality threshold, can adjust according to actual network demand, judged result is set and when lower than a certain available channel quality threshold, carries out above-mentioned steps.
Further, controller can also WEB user interface (User Interface, referred to as: UI), provide the channel quality prompting of different colours.As, in the time of be more than or equal to-50db of RSSI, represent with green, represent that channel quality is good; In the time of be more than or equal to-70db of RSSI, represent with yellow, represent that channel quality is general; In the time of be less than-70db of RSSI, represent with redness, represent bad channel quality.On WEB UI, different AP is operated on identical or different channels, therefore can show respectively identical or different colors.The method of the channel quality of the working channel of above-mentioned use different colours mark AP, for network manager, can most convenient, obtain intuitively the situation of the current communication of each AP.
Fig. 4 is the structural representation of an embodiment of access point provided by the invention, and this access point is one of executive agent of said method embodiment, and method part can, with reference to said method embodiment, not repeat herein.As shown in Figure 4, this access point comprises: sending module 401, receiver module 402 and handover module 403.Wherein, sending module 401 is for sending more new events to controller, in described more new events, carry the channel quality parameter of described access point work at present channel, so that described controller checks the service traffics of work station under described access point in the time that described channel quality parameter is less than the first preset value, and in the time that being less than the second preset value, the service traffics of described work station send handover event to described access point; The handover event that receiver module 402 sends for receiving described controller; Handover module 403 is for according to described handover event switch operating channel.
Here it should be noted that, controller can be the physical entity of individualism, can be also software function module.It is upper that software function module can be arranged on AP, also can be arranged on AC upper, or be arranged on other physical entities.A software function module can provide service for one, two even plural AP.
The structural representation of another embodiment of access point provided by the invention as shown in Figure 5, this access point also comprises: detection module 404, for detection of the channel quality of work at present channel, obtains the channel quality parameter of work at present channel.Wherein, detection module 404 can regularly detect the channel quality of work at present channel, also can be according to setting the channel quality that detects work at present channel.
Under a kind of execution mode, described handover module 403 comprises: scanning element, for the communication environment of WIFI network is scanned, obtains the channel quality parameter of WIFI network; Indicating member, for according to the channel quality parameter of described WIFI network, the top-quality channel of selective channel is as working channel, and indicates described work station to access selected working channel.Wherein, what scanning element obtained can be individual channel mass parameter, can be also the form such as list, grouping of multiple channel quality parameter compositions.
On the basis of above-mentioned execution mode, described receiver module 402 also for: receive scanning communication environment triggering signal; Described triggering signal is indication information or temporal information.
In above-described embodiment, described channel quality parameter comprises: received signal strength indicator RSSI, and/or, signal and interference and noise ratio SINR.
Fig. 6 is the structural representation of an embodiment of controller provided by the invention, and in the time that this controller is one of executive agent of said method embodiment, method part can, with reference to said method embodiment, not repeat herein.As shown in Figure 6, this controller can comprise: receiver module 601 and processing module 602.Wherein, the more new events that receiver module 601 sends for receiving access point, the channel quality parameter of carrying described access point work at present channel in described more new events; Whether processing module 602 is less than the first preset value for the channel quality parameter that judges described access point work at present channel, if be less than, check the service traffics of work station under described access point, if the service traffics of described work station are less than the second preset value, send handover event to access point, so that described access point is according to described handover event switch operating channel.Here it should be noted that, controller can be the physical entity of individualism, can be also software function module.It is upper that software function module can be arranged on AP, also can be arranged on AC upper, or be arranged on other physical entities.A software function module can provide service for one, two even plural AP.
Fig. 7 is the structural representation of an embodiment of access point provided by the invention, and this access point is one of executive agent of said method embodiment, and method part can, with reference to said method embodiment, not repeat herein.As shown in Figure 7, this access point comprises: transmitter 701, receiver 702 and processor 703.Wherein, transmitter 701 is for sending more new events to controller, in described more new events, carry the channel quality parameter of described access point work at present channel, so that described controller checks the service traffics of work station under described access point in the time that described channel quality parameter is less than the first preset value, and in the time that being less than the second preset value, the service traffics of described work station send handover event to described access point; The handover event that receiver 702 sends for receiving described controller; Processor 703 is for according to described handover event switch operating channel.
Under a kind of execution mode, processor 703 can also, for detection of the channel quality of work at present channel, obtain the channel quality parameter of work at present channel.
Under another execution mode, processor 703 is for scanning the communication environment of WIFI network, obtain the channel quality parameter of WIFI network, according to the channel quality parameter of described WIFI network, the top-quality channel of selective channel is as working channel, and indicates described work station to access selected working channel.
On the basis of above-mentioned execution mode, described receiver 702 also for: receive scanning communication environment triggering signal; Described triggering signal is indication information or temporal information.
In above-described embodiment, described channel quality parameter comprises: received signal strength indicator RSSI, and/or, signal and interference and noise ratio SINR.
Fig. 8 is the structural representation of an embodiment of controller provided by the invention, and in the time that this controller is one of executive agent of said method embodiment, method part can, with reference to said method embodiment, not repeat herein.As shown in Figure 8, this controller can comprise: receiver 801 and processor 802.Wherein, the more new events that receiver 801 sends for receiving access point, the channel quality parameter of carrying described access point work at present channel in described more new events; Whether processor 802 is less than the first preset value for the channel quality parameter that judges described access point work at present channel, if be less than, check the service traffics of work station under described access point, if the service traffics of described work station are less than the second preset value, send handover event to access point, so that described access point is according to described handover event switch operating channel.Here it should be noted that, controller can be the physical entity of individualism, can be also software function module.It is upper that software function module can be arranged on AP, also can be arranged on AC upper, or be arranged on other physical entities.A software function module can provide service for one, two even plural AP.
One of ordinary skill in the art will appreciate that: all or part of step that realizes above-mentioned each embodiment of the method can complete by the relevant hardware of program command.Aforesaid program can be stored in a computer read/write memory medium.This program, in the time carrying out, is carried out the step that comprises above-mentioned each embodiment of the method; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CDs.
Finally it should be noted that: above each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (12)
1. Wireless Fidelity WIFI net environment improves a method for communication quality, it is characterized in that, comprising:
Access point sends more new events to controller, in described more new events, carry the channel quality parameter of described access point work at present channel, so that described controller checks the service traffics of work station under described access point in the time that described channel quality parameter is less than the first preset value, and in the time that being less than the second preset value, the service traffics of described work station send handover event to described access point;
Receive the handover event that described controller sends, according to described handover event switch operating channel.
2. method according to claim 1, is characterized in that, described access point sends that more new events is to before controller, and described method also comprises:
Access point detects the channel quality of work at present channel, obtains the channel quality parameter of work at present channel.
3. method according to claim 1, is characterized in that, describedly comprises according to described handover event switch operating channel:
Described access point scans the communication environment of WIFI network, obtains the channel quality parameter of WIFI network;
According to the channel quality parameter of described WIFI network, the measured channel of selective channel matter is as working channel, and indicates described work station to access selected working channel.
4. method according to claim 3, is characterized in that, before described access point scans the communication environment of WIFI network, described method also comprises:
Described access point receives the triggering signal of scanning communication environment; Described triggering signal is indication information or temporal information.
5. according to the method described in any one in claim 1 to 4, it is characterized in that, described channel quality parameter comprises: received signal strength indicator RSSI, and/or, signal and interference and noise ratio SINR.
6. Wireless Fidelity WIFI net environment improves a method for communication quality, it is characterized in that, comprising:
Controller receives the more new events that access point sends, the channel quality parameter of carrying described access point work at present channel in described more new events;
Whether the channel quality parameter that judges described access point work at present channel is less than the first preset value, if be less than, check the service traffics of work station under described access point, if the service traffics of described work station are less than the second preset value, send handover event to described access point, so that described access point is according to described handover event switch operating channel.
7. an access point, is characterized in that, comprising:
Sending module, be used for sending more new events to controller, in described more new events, carry the channel quality parameter of described access point work at present channel, so that described controller checks the service traffics of work station under described access point in the time that described channel quality parameter is less than the first preset value, and in the time that being less than the second preset value, the service traffics of described work station send handover event to described access point;
Receiver module, the handover event sending for receiving described controller;
Handover module, for according to described handover event switch operating channel.
8. access point according to claim 7, is characterized in that, also comprises:
Detection module, for detection of the channel quality of work at present channel, obtains the channel quality parameter of work at present channel.
9. access point according to claim 7, is characterized in that, described handover module comprises:
Scanning element, for the communication environment of WIFI network is scanned, obtains the channel quality parameter of WIFI network;
Indicating member, for according to the channel quality parameter of described WIFI network, the top-quality channel of selective channel is as working channel, and indicates described work station to access selected working channel.
10. access point according to claim 9, is characterized in that, described receiver module also for: receive scanning communication environment triggering signal; Described triggering signal is indication information or temporal information.
11. according to the access point described in any one in claim 7 to 10, it is characterized in that, described channel quality parameter comprises: received signal strength indicator RSSI, and/or, signal and interference and noise ratio SINR.
12. 1 kinds of controllers, is characterized in that, comprising:
Receiver module, the more new events sending for receiving access point, the channel quality parameter of carrying described access point work at present channel in described more new events;
Processing module, for judging whether the channel quality parameter of described access point work at present channel is less than the first preset value, if be less than, check the service traffics of work station under described access point, if the service traffics of described work station are less than the second preset value, send handover event to described access point, so that described access point is according to described handover event switch operating channel.
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| CN104968023A (en) * | 2015-06-10 | 2015-10-07 | 小米科技有限责任公司 | Working channel adjusting method, device and equipment |
| CN104968023B (en) * | 2015-06-10 | 2018-05-08 | 小米科技有限责任公司 | Working channel method of adjustment, device and equipment |
| CN106131909A (en) * | 2016-06-29 | 2016-11-16 | 杭州华三通信技术有限公司 | A kind of channel switching method and device |
| CN107548115A (en) * | 2017-09-07 | 2018-01-05 | 新华三技术有限公司 | Wireless controlled bandwidth adjusting method, device and wireless device |
| WO2019129209A1 (en) * | 2017-12-28 | 2019-07-04 | Sengled Co., Ltd. | Method and device for controlling a wireless router and an led lighting device |
| CN110876145A (en) * | 2019-11-20 | 2020-03-10 | 广州市宏视电子技术有限公司 | Wireless camera system and gateway equipment |
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