CN102256336A - Method, device and system for combined use of wireless fidelity (WiFi) access points - Google Patents
Method, device and system for combined use of wireless fidelity (WiFi) access points Download PDFInfo
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- CN102256336A CN102256336A CN2011101884453A CN201110188445A CN102256336A CN 102256336 A CN102256336 A CN 102256336A CN 2011101884453 A CN2011101884453 A CN 2011101884453A CN 201110188445 A CN201110188445 A CN 201110188445A CN 102256336 A CN102256336 A CN 102256336A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H04W52/243—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account interferences
Abstract
The embodiment of the invention discloses a method, a device and a system for combined use of wireless fidelity (WiFi) access point equipment. The method comprises the following steps that: when first WiFi access point equipment detects that a communication interface communicates with second WiFi access point equipment, the first WiFi access point equipment acquires channel information of the second WiFi access point equipment and sets a current channel of the first WiFi access point equipment to be consistent with a channel of the second WiFi access point equipment; and the first WiFi access point equipment is combined with the second WiFi access point equipment for use. The distance between the first WiFi access point equipment and the second WiFi access point equipment can be regarded to be smaller than a certain set distance limit value when the first WiFi access point equipment and the second WiFi access point equipment communicate with each other, so that within the distance limit value, interference between the first WiFi access point equipment and the second WiFi access point equipment on the same channel is obviously smaller than interference between the first WiFi access point equipment and the second WiFi access point equipment on different channels; therefore, through the same-frequency operation of the embodiment of the invention, mutual interference during near-distance combined use can be reduced.
Description
Technical field
The present invention relates to WiMAX WiFi (wireless fidelity) technology, be specifically related to the methods, devices and systems that a kind of WiFi access point (Access Point) is used in combination.
Background technology
At present WiFi (IEEE 802.11) technology is widely used, and the WiFi access point promptly is meant the AP (Access Point) that is used for wireless connections, can be divided into two kinds from the travelling performance aspect: fixedly WiFi access point and mobile WiFi access point.The scene that the WiFi access point is used in combination is more and more, especially after the application of mobile WiFi access point (Pocket WiFi) is risen.The user has an indoor fixedly WiFi access point, main application at home; Also have a mobile WiFi access point, mainly use out of doors; Indoor in some cases fixedly WiFi access point and mobile WiFi access point can also be used in combination together, and for example fixedly the WiFi access point can link to each other with mobile WiFi access point by USB interface or other interfaces, and then is used in combination.The inventor finds in realizing the process of the embodiment of the invention, when two WiFi access points are used in combination, will occur mutually between the problem disturbed of signal.
The common practice that solves signal interference problem at present comprises reduction physical data rate, reduces the transmitting power of affected WiFi access point, and the channel allocation of change WiFi access point etc.But these ways are under the very near situation of WiFi access point apparatus distance that is used in combination, and signal each other disturbs still very big, can't reach the effect under the dried stationary ring border.
Summary of the invention
The methods, devices and systems that the embodiment of the invention provides a kind of WiFi access point apparatus to be used in combination can reduce interference each other in closely being used in combination.
The embodiment of the invention adopts following technical scheme:
The method that a kind of WiFi access point apparatus is used in combination comprises:
The one WiFi access point apparatus obtains the channel information of described the 2nd WiFi access point apparatus when detecting communication interface and be communicated with the 2nd WiFi access point apparatus;
A described WiFi access point apparatus is arranged to own current channel consistent with the channel of described the 2nd WiFi access point apparatus;
A described WiFi access point apparatus is used in combination with described the 2nd WiFi access point apparatus on the channel of described the 2nd WiFi access point apparatus.
A kind of WiFi access point apparatus comprises:
Detecting unit is used to detect communication interface and whether is communicated with other WiFi access point apparatus;
First acquiring unit is used for obtaining the channel information of described other WiFi access point apparatus when described detecting unit detects communication interface and is communicated with other WiFi access point apparatus;
First is provided with the unit, is used for being arranged to own current channel consistent with the channel of described other WiFi access point apparatus;
Be used in combination the unit, be used on the channel of described other WiFi access point apparatus, being used in combination with described other WiFi access point apparatus.
The system that a kind of WiFi access point apparatus is used in combination, comprise a WiFi access point apparatus and the 2nd WiFi access point apparatus, wherein, a described WiFi access point apparatus is when detecting communication interface and be communicated with described the 2nd WiFi access point apparatus, a described WiFi access point apparatus obtains the channel information of described the 2nd WiFi access point apparatus, and will own current channel be arranged to consistently with the channel of described the 2nd WiFi access point apparatus, on the channel of described the 2nd WiFi access point apparatus, be used in combination then with described the 2nd WiFi access point apparatus.
The technique scheme that is provided by the embodiment of the invention as can be known, when two WiFi access point apparatus communication interfaces are communicated with, can think that distance between the two is less than the setpoint distance limit value, because the interference the when interference of WiFi access point apparatus when non-same channel is obviously greater than cochannel in closely, therefore a WiFi access point apparatus is by obtaining the channel information of the 2nd WiFi access point apparatus, and be arranged to own current channel consistent with the channel of described the 2nd WiFi access point apparatus, on the channel of described the 2nd WiFi access point apparatus, be used in combination then with described the 2nd WiFi access point apparatus, thereby can reduce interference each other in closely being used in combination, reduce data packet loss and re-transmission, improve efficiency of transmission.
Description of drawings
In order to be illustrated more clearly in technical scheme of the present invention, below applied accompanying drawing in prior art and the embodiment of the invention description is done to introduce simply.
The method schematic diagram that the WiFi access point apparatus that Fig. 1 provides for the embodiment of the invention is used in combination;
A kind of structural representation of the WiFi access point apparatus that Fig. 2 provides for the embodiment of the invention;
The another kind of structural representation of the WiFi access point apparatus that Fig. 3 provides for the embodiment of the invention;
The system schematic that a kind of WiFi access point apparatus that Fig. 4 provides for inventive embodiments is used in combination.
Embodiment
As shown in Figure 1, the method that the WiFi access point apparatus that the embodiment of the invention provides is used in combination comprises:
Step 11, a WiFi access point apparatus are obtained the channel information of described the 2nd WiFi access point apparatus when detecting communication interface and be communicated with the 2nd WiFi access point apparatus;
Step 12, a described WiFi access point apparatus is arranged to own current channel consistent with the channel of described the 2nd WiFi access point apparatus;
Step 13, a described WiFi access point apparatus are used in combination with described the 2nd WiFi access point apparatus on the channel of described the 2nd WiFi access point apparatus.
Generally, when two WiFi access points are used, we can avoid identical channel as far as possible, to prevent the interference on the same channel, but through testing authentication, find there is one apart from limit value, within this is apart from limit value, the situation of two interference of WiFi access point when non-same channel uses during obviously greater than same channel; This apart from limit value outside, two WiFi access points can increase mutual interference when same channel uses, and can reduce mutual interference when non-same channel uses.
For this reason, when two WiFi access point apparatus need be used in combination, connect this two WiFi access point apparatus by communication interface, can think that distance between these two WiFi access point apparatus is less than certain setpoint distance limit value this moment, then by the channel of two WiFi access points is arranged to unanimity, make two WiFi access points on same channel, be used in combination, thus reduce closely be used in combination in each other interference.
Theoretically, this setpoint distance limit value is infinitely near null value, and is also promptly nested against one another or when being superimposed at two WiFi access point apparatus, thinks that distance between two WiFi access point apparatus is less than this setpoint distance limit value.
With a WiFi access point is mobile access point, is that fixed access point is that example describes with the 2nd WiFi access point.Mobile access point and fixed access point are mutual by the good communication interface of predefined, and this communication interface can be the USB wired communication interface, also can be bluetooth, wireless communication interface such as infrared.When two WiFi access point USB interface were communicated with, two WiFi access points carried out communication by AT order (ATCommands).
When mobile access point moves into, mobile access point is communicated with fixed access point USB, can think that both distances are less than the setpoint distance limit value this moment, mobile access point obtains the channel information of fixed access point equipment by the AT order, the method of obtaining can be that fixed access point is initiatively given mobile access point with the reporting channel information of oneself, also can be that mobile access point sends request to fixed access point, the channel information that fixed access point is replied oneself according to this request be given mobile access point.Mobile access point is according to the channel information of the fixed access point that obtains then, and pressure is arranged to the channel of oneself consistent with the channel of fixed access point, and is used in combination with fixed access point equipment on the fixed access point device channel after restarting back or direct self check.
Need to prove, force the channel of oneself is arranged to before the channel of fixed access point is consistent at mobile access point, mobile access point is necessary the intrinsic channel information before oneself being used in combination is stored, so that mobile access point still can get access to own intrinsic channel information when using alone, and on own intrinsic channel, carry out work.
When mobile access point shifts out, disconnect fixed access point and is communicated with USB between the mobile access point, can think both distances this moment greater than the setpoint distance limit value, the effect when using separately after the two separates in order not influence, the method for the embodiment of the invention also comprises:
Mobile access point obtains own intrinsic channel information from storage, and will own current channel be arranged to consistent with own intrinsic channel, use separately on own intrinsic channel then.
Because outside the setpoint distance limit value, the interference of two interference of WiFi access point when non-same channel during less than same channel, therefore when mobile access point shifts out fixed access point, mobile access point is by turning back to own intrinsic channel, and work alone on different channels with fixed access point, reduce interference.
Need to prove, be the effect of guaranteeing that the WiFi access point apparatus is used in combination and using separately separately, reduce interference, the WiFi access point can be in due course, whether for example detect own current channel at set intervals consistent with own intrinsic channel, if unanimity then illustrate was not carried out with operation frequently, this moment can by reduce with operation frequently closely be used in combination in each other interference; If it is inconsistent with own intrinsic channel to detect own current channel, then explanation had been carried out with operation frequently, and can make separately and be used for reducing and other WiFi access point interference each other this moment by returning to own intrinsic channel.
As shown in Figure 2, a kind of structural representation of the WiFi access point apparatus that the embodiment of the invention provides comprises:
Detecting unit 21 is used to detect communication interface and whether is communicated with other WiFi access point apparatus;
First acquiring unit 22 is used for obtaining the channel information of described other WiFi access point apparatus when described detecting unit detects communication interface and is communicated with between other WiFi access point apparatus;
First is provided with unit 23, is used for being arranged to own current channel consistent with the channel of described other WiFi access point apparatus;
Be used in combination unit 24, be used on the channel of described other WiFi access point apparatus, being used in combination with described other WiFi access point apparatus.
For example, when a WiFi access point detects USB interface and is communicated with the 2nd WiFi access point, obtain the channel information of described the 2nd WiFi access point by the AT order.Because the interference the when interference of WiFi access point apparatus when non-same channel is obviously greater than cochannel in closely, therefore when two WiFi access points are communicated with by communication interface, can think that distance between the two is less than the setpoint distance limit value, this moment by above-mentioned with operation frequently can reduce closely be used in combination in each other interference, reduce data packet loss and re-transmission, improve efficiency of transmission.
Further, as shown in Figure 3, the another kind of structure chart of the WiFi access point apparatus that the embodiment of the invention provides can also comprise:
Because the WiFi access point apparatus is separating when using with other WiFi access point apparatus, still need carry out work on own intrinsic channel, the effect when guaranteeing independent the use.Therefore before carrying out, be necessary to store, so that when using alone, still can know own intrinsic channel information by 30 pairs of own intrinsic channel informations of memory cell with operation frequently.
Further, still referring to Fig. 3, the another kind of structure chart of the WiFi access point apparatus that the embodiment of the invention provides can also comprise:
Second is provided with unit 32, is used for being arranged to own current channel consistent with own intrinsic channel;
Use unit 33 separately, be used on own intrinsic channel, using separately.
Because outside the setpoint distance limit value, the interference of interference between the WiFi access point apparatus when non-same channel during less than same channel, therefore the WiFi access point apparatus detects communication interface by detecting unit 21 and disconnects when being communicated with described other WiFi access point apparatus, can think that distance between the two is greater than the setpoint distance limit value, from described memory cell 30 obtain own intrinsic channel information by second acquisition unit 31 this moment, and by second unit 32 is set and is arranged to own current channel consistent with oneself intrinsic channel, thereby work by turning back on the own intrinsic channel, make separately on own intrinsic channel by independent use unit 33 to be used for reducing interference.
As shown in Figure 4, the system that a kind of WiFi access point apparatus that the embodiment of the invention provides is used in combination, comprise a WiFi access point apparatus 100 and the 2nd WiFi access point apparatus 200, wherein, a described WiFi access point apparatus is when detecting communication interface and be communicated with described the 2nd WiFi access point apparatus, a described WiFi access point apparatus obtains the channel information of described the 2nd WiFi access point apparatus, and will own current channel be arranged to consistently with the channel of described the 2nd WiFi access point apparatus, on the channel of described the 2nd WiFi access point apparatus, be used in combination then with described the 2nd WiFi access point apparatus.
Be understandable that, in the system that the WiFi of embodiment of the invention access point apparatus is used in combination, the one WiFi access point apparatus 100 and the 2nd WiFi access point apparatus 200 are reciprocity fully equipment, when the two communication is communicated with, only being not limited to, a WiFi access point apparatus carries out above-mentioned with operation frequently, the 2nd WiFi access point apparatus can carry out above-mentioned with operation frequently equally, own current channel is arranged to consistent, on the channel of a described WiFi access point apparatus, is worked then with the channel of a described WiFi access point apparatus.Certainly, we will carry out being called mobile WiFi access point with the WiFi access point apparatus of operation frequently usually in practice, and another WiFi access point apparatus in the system is called fixedly WiFi access point.
Effect when using separately for not influencing the separately back WiFi access point apparatus of the system that is used in combination, the system that the WiFi access point apparatus that the embodiment of the invention provides is used in combination, also should carry out following operation: a described WiFi access point apparatus disconnects when being communicated with described the 2nd WiFi access point apparatus detecting communication interface, a described WiFi access point apparatus from storage by obtaining own intrinsic channel information, and will own current channel be arranged to consistent with own intrinsic channel, use separately on own intrinsic channel then.
Because within the setpoint distance limit value, the situation of two interference of WiFi access point when non-same channel during obviously greater than same channel; And outside this setpoint distance limit value, the situation of two interference of WiFi access point when same channel during obviously greater than non-same channel.Therefore when a WiFi access point apparatus is communicated by letter connection with the 2nd WiFi access point apparatus, can think that distance between the two is less than the setpoint distance limit value this moment, by carry out with operation frequently can reduce closely be used in combination in each other interference, and disconnect when communicate by letter connection at a WiFi access point apparatus and the 2nd WiFi access point apparatus, can think that distance between the two is greater than the setpoint distance limit value this moment, work by returning on the intrinsic channel separately again, thus interference can reduce the WiFi access point apparatus and work alone separately the time.
Above-mentioned specific embodiment is not in order to restriction the present invention; for those skilled in the art; all under the prerequisite that does not break away from the principle of the invention, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the method that the WiFi access point is used in combination is characterized in that, comprising:
The one WiFi access point obtains the channel information of described the 2nd WiFi access point when detecting communication interface and be communicated with the 2nd WiFi access point;
A described WiFi access point is arranged to own current channel consistent with the channel of described the 2nd WiFi access point;
A described WiFi access point is used in combination with described the 2nd WiFi access point on the channel of described the 2nd WiFi access point.
2. method according to claim 1 is characterized in that, described method also comprises:
A described WiFi access point is stored the intrinsic channel information before oneself being used in combination.
3. method according to claim 2 is characterized in that, described method also comprises:
A described WiFi access point disconnects when being communicated with described the 2nd WiFi access point detecting communication interface, obtains oneself intrinsic channel information from store;
A described WiFi access point is arranged to own current channel consistent with own intrinsic channel;
A described WiFi access point apparatus uses separately on own intrinsic channel.
4. method according to claim 1 is characterized in that, a described WiFi access point is when detecting communication interface and be communicated with the 2nd WiFi access point, and the channel information that obtains described the 2nd WiFi access point is specially:
The one WiFi access point obtains the channel information of described the 2nd WiFi access point by the AT order when detecting USB interface and be communicated with the 2nd WiFi access point.
5. according to each described method of claim 1-4, it is characterized in that a described WiFi access point is mobile WiFi access point, described the 2nd WiFi access point is fixing WiFi access point.
6. a WiFi access point apparatus is characterized in that, comprising:
Detecting unit is used to detect communication interface and whether is communicated with other WiFi access point apparatus;
First acquiring unit is used for obtaining the channel information of described other WiFi access point apparatus when described detecting unit detects communication interface and is communicated with other WiFi access point apparatus;
First is provided with the unit, is used for being arranged to own current channel consistent with the channel of described other WiFi access point apparatus;
Be used in combination the unit, be used on the channel of described other WiFi access point apparatus, being used in combination with described other WiFi access point apparatus.
7. WiFi access point apparatus according to claim 6, it is characterized in that, described first acquiring unit specifically is used for a WiFi access point when detecting USB interface and be communicated with the 2nd WiFi access point, obtains the channel information of described the 2nd WiFi access point by the AT order.
8. according to claim 6 or 7 described WiFi access point apparatus, it is characterized in that, also comprise:
Memory cell is used to store the intrinsic channel information before oneself being used in combination;
Second acquisition unit is used for detecting communication interface at described detecting unit and disconnects when being communicated with described other WiFi access point apparatus, obtains oneself intrinsic channel information from described memory cell;
Second is provided with the unit, is used for being arranged to own current channel consistent with own intrinsic channel;
Use the unit separately, be used on own intrinsic channel, using separately.
9. system that the WiFi access point apparatus is used in combination, comprise a WiFi access point apparatus and the 2nd WiFi access point apparatus, it is characterized in that, a described WiFi access point apparatus is when detecting communication interface and be communicated with described the 2nd WiFi access point apparatus, a described WiFi access point apparatus obtains the channel information of described the 2nd WiFi access point apparatus, and will own current channel be arranged to consistently with the channel of described the 2nd WiFi access point apparatus, on the channel of described the 2nd WiFi access point apparatus, be used in combination then with described the 2nd WiFi access point apparatus.
10. system according to claim 9, it is characterized in that, also comprise: a described WiFi access point apparatus disconnects when being communicated with described the 2nd WiFi access point apparatus detecting communication interface, a described WiFi access point apparatus obtains own intrinsic channel information from storage, and will own current channel be arranged to consistent with own intrinsic channel, use separately on own intrinsic channel then.
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| CN108810951B (en) * | 2018-07-23 | 2022-07-29 | 通力科技股份有限公司 | WiFi channel automatic test method, system, equipment and storage medium |
| WO2021082878A1 (en) * | 2019-10-31 | 2021-05-06 | 华为技术有限公司 | Wlan system, communication method and device |
| CN111148182A (en) * | 2019-12-30 | 2020-05-12 | Oppo广东移动通信有限公司 | Device control method, device, storage medium and electronic device |
| WO2021136039A1 (en) * | 2019-12-30 | 2021-07-08 | Oppo广东移动通信有限公司 | Device control method and apparatus, storage medium and electronic device |
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Address after: 518129 Building 2, B District, Bantian HUAWEI base, Longgang District, Shenzhen, Guangdong. Patentee after: Huawei terminal (Shenzhen) Co.,Ltd. Address before: 518129 Building 2, B District, Bantian HUAWEI base, Longgang District, Shenzhen, Guangdong. Patentee before: HUAWEI DEVICE Co.,Ltd. |
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