CN104581853B - A kind of self-adaptive modulation method of wireless router - Google Patents

A kind of self-adaptive modulation method of wireless router Download PDF

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Publication number
CN104581853B
CN104581853B CN201410831292.3A CN201410831292A CN104581853B CN 104581853 B CN104581853 B CN 104581853B CN 201410831292 A CN201410831292 A CN 201410831292A CN 104581853 B CN104581853 B CN 104581853B
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China
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application scenarios
channel
air interference
self
modulation method
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CN201410831292.3A
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Chinese (zh)
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CN104581853A (en
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张珠明
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上海斐讯数据通信技术有限公司
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Abstract

The invention discloses a kind of self-adaptive modulation method of wireless router, the method is:A1. the air interference intensity of present channel is scanned, and obtains air interference parameter group;A2. the air interference parameter group of acquisition is matched with default a plurality of application scenarios, each application scenarios correspond to an air interference parameter group;A3. the application scenarios with channel are matched according to dynamic channel selection strategy, obtains channel corresponding with the application scenarios;A4. present channel is switched into channel corresponding with the application scenarios;A5. delay scheduled time performs step A1.The difference according to the demand of channel performance under different scenes is realized to switch channel accordingly, the channel that performance is optimal in present channel can be chosen under different degrees of air interference by dynamic channel selection strategy and carry out wireless data transmission, so as to achieve the purpose that improve transmission rate.

Description

A kind of self-adaptive modulation method of wireless router

Technical field

The present invention relates to the communications field more particularly to a kind of self-adaptive modulation methods of wireless router.

Background technology

Wireless channel is exactly wireless " frequency range (Channel) ", is that the data-signal using wireless signal as transmission media passes Send passage.Common wireless standard IEEE 802.11b/g are operated in 2.4~2.4835GHz frequency ranges, these frequency ranges are divided into 11 Or 13 channels.There is the transmission channel of 3 non-overlapping copies in IEEE 802.11b/g standards, non-overlapping copies are respectively:Channel 1st, 6,11 or 13, therefore these three channels are the channels mainly used in wireless gateway device.

Since the default setting of most of wireless gateway devices is all Channel1, wireless aps are easily occurred in There are the situation of more than two AP in (Wireless Access Point, wireless access points) signal cover, need To be that each AP sets different frequency ranges, in case common channel clashes.In order to reduce conflict, currently used method is exactly In the case where detecting that channel has conflict and interference, present channel is switched into other letters idle or that interference is not strong in time Road, such as:Current 1 channel has 4 AP, and 11 channels do not have AP, then 1 current channel are switched to 11 channels, are detecting It can carry out the transmission of wireless data before interference using 11 channels always.

However, since the criterion of existing switching channel only has one kind, a kind of application scenarios can only be adapted to, in different scenes Under criterion be all it is fixed, standard it is too high or too low can all influence channel selection as a result, therefore can not when selecting channel Accurately select optimal channel, so as to influence the transmission rate of wireless data, and exist it is excessively sensitive to air interference reaction or The problem of excessively blunt.

The content of the invention

For the above problem existing for existing channel selecting method, now providing a kind of aim at can answer according to current With scene optimum channel is selected to improve the self-adaptive modulation method of the wireless router of the transmission rate of wireless data.

Specific technical solution is as follows:

A kind of self-adaptive modulation method of wireless router, comprises the following steps:

A1. the air interference intensity of present channel is scanned, and obtains air interference parameter group;

A2. the air interference parameter group of acquisition is matched with default a plurality of application scenarios, it is each described Application scenarios correspond to an air interference parameter group;

A3. the application scenarios with channel are matched according to dynamic channel selection strategy, obtained and the applied field The corresponding channel of scape;

A4. present channel is switched into channel corresponding with the application scenarios;

A5. delay scheduled time returns and performs step A1.

Preferably, the parameter of the air interference parameter group includes:Base station equipment quantity, communications network system integrated noise Fraction, channel disturbance threshold value, channel seizure ratio, the link rate of frame check sequence and link layer.

Preferably, a plurality of application scenarios include:First application scenarios, the second application scenarios and the 3rd applied field Scape, the air interference intensity of first application scenarios are less than the air interference intensity of second application scenarios, and described second The air interference intensity of application scenarios is less than the air interference intensity of the 3rd application scenarios.

Preferably, a plurality of application scenarios further include the 4th application scenarios, and the air interference of the 4th application scenarios is strong Air interference intensity of the degree more than the 3rd application scenarios or the air interference intensity less than first application scenarios.

Preferably, the dynamic select strategy includes, first choice strategy, to be selected under first application scenarios Channel obtains channel corresponding with first application scenarios.

Preferably, the dynamic select strategy includes, the second selection strategy, to be selected under second application scenarios Channel obtains channel corresponding with second application scenarios.

Preferably, the dynamic select strategy includes, the 3rd selection strategy, to be selected under the 3rd application scenarios Channel obtains channel corresponding with the 3rd application scenarios.

Preferably, the dynamic select strategy includes, the 4th selection strategy, to be selected under the 4th application scenarios Channel obtains channel corresponding with the 4th application scenarios.

Preferably, the scope of the predetermined time is in 5min~15min.

The advantageous effect of above-mentioned technical proposal:

The technical program, which is realized, carries out accordingly channel according to the different of the demand of channel performance under different scenes Switching, the channel that performance is optimal in present channel can be chosen by dynamic channel selection strategy under different degrees of air interference Wireless data transmission is carried out, so as to achieve the purpose that improve transmission rate.

Description of the drawings

Fig. 1 is a kind of method flow diagram of embodiment of the self-adaptive modulation method of wireless router of the present invention.

Specific embodiment

Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art obtained on the premise of creative work is not made it is all its His embodiment, belongs to the scope of protection of the invention.

It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the present invention can phase Mutually combination.

The invention will be further described in the following with reference to the drawings and specific embodiments, but not as limiting to the invention.

As shown in Figure 1, a kind of self-adaptive modulation method of wireless router, comprises the following steps:

A1. the air interference intensity of present channel is scanned, and obtains air interference parameter group;

A2. the air interference parameter group of acquisition is matched with default a plurality of application scenarios, each application scenarios A corresponding air interference parameter group;

A3. application scenarios with channel are matched according to dynamic channel selection strategy, obtained corresponding with application scenarios Channel;

A4. present channel is switched into channel corresponding with application scenarios;

A5. delay scheduled time returns and performs step A1.

Corresponding operating is performed according to above-mentioned steps order successively when performing self-adaptive modulation method, and in execution of step It is returned after A5 and performs step A1.

Present channel can be chosen under different degrees of air interference by dynamic channel selection strategy in the present embodiment The optimal channel of middle performance carries out wireless data transmission, so as to achieve the purpose that improve transmission rate.

Self-adaptive modulation method in the present embodiment is suitable for the wireless channel adaptive mechanism of small home radio network gateway, Different application scenarios can be set, and are judged;It can be chosen and the application according to current application scenarios when switching channel The corresponding selection strategy of scene switches over;Channel can be dynamically adjusted in wireless data transmission;Pass through dynamic channel Selection strategy can reasonably carry out channel self-adapting adjusting.

In a preferred embodiment, the parameter of air interference parameter group includes:Base station equipment quantity (Number of BSSs), communications network system (CNS) integrated noise fraction, channel disturbance threshold value (ntf_threshold), channel seizure ratio Link rate (the link of (Channel Occupancy), frame check sequence (Frame Check Sequence, FCS) and link layer rate)。

Further, space channel assessment interference (CCA Interference), adjustment interference (Adjusted be may also include Interference), transmission power (Tx Power), ambient noise (Background Noise), total score (Total Score) With the fraction (Adjacent Channel Score) of adjacent channel etc..

The proportion that each of the above parameter value occupies under different strategies is otherwise varied, can be with for specific strategy Ratio shared by each parameter is dynamically adjusted by corresponding environmental parameter.If user selected it is customized wirelessly should It, can be in web page for the option of each parameter proportion of user's modification, to meet the customized demand of user with scene.

In the present embodiment, by air interference parameter group parameter corresponding data carry out discriminatory analysis, obtain with The corresponding application scenarios of air interference intensity of present channel.

In a preferred embodiment, a plurality of application scenarios include:First application scenarios (interference is less), the second applied field Scape (interference is more) and the 3rd application scenarios (interference is very more), the air interference intensity of the first application scenarios are less than the second application The air interference intensity of scene, the air interference intensity of the second application scenarios are less than the air interference intensity of the 3rd application scenarios.

Three kinds of application scenarios in the present embodiment correspond to different air interference situations respectively.It is selected by dynamic channel Strategy can select optimal channel switchover policy, to improve data transmission efficiency, and not under different degrees of interference strength Influence the use of user.

In a preferred embodiment, a plurality of application scenarios further include the 4th application scenarios, the 4th application scenarios it is wireless The air interference intensity or the air interference intensity less than the first application scenarios that interference strength can be more than the 3rd application scenarios.

The 4th application scenarios are user-defined application scenarios in this embodiment, and user can decide in its sole discretion as needed to be worked as Preceding air interference degree.

In a preferred embodiment, dynamic select strategy may include, first choice strategy, under the first application scenarios The channel for selecting performance optimal obtains channel corresponding with the first application scenarios.When the interference of the first application scenarios is less, first Selection strategy can not switch over channel.

In a preferred embodiment, dynamic select strategy includes, the second selection strategy, to be selected under the second application scenarios The optimal channel of performance is selected, obtains channel corresponding with the second application scenarios.

In a preferred embodiment, dynamic select strategy includes, the 3rd selection strategy, to be selected under the 3rd application scenarios The optimal channel of performance is selected, obtains channel corresponding with the 3rd application scenarios.

In the present embodiment, it can be achieved that it is larger in interference strength and have mass data by when, select optimal channel, it is right Data are transmitted, and promote the wireless performance of wireless router and wireless data transmission rate.

In a preferred embodiment, dynamic select strategy includes, the 4th selection strategy, to be selected under the 4th application scenarios The optimal channel of performance is selected, obtains channel corresponding with the 4th application scenarios.

In a preferred embodiment, the scope of predetermined time is in 5min~15min.

Further, the predetermined time be 15min when effect it is best, can on the premise of wireless router performance is not influenced, Present channel is switched into preferred channels state.

The interference strength of channel is detected by timing in the present embodiment, the wireless performance of wireless router can be made to keep flat Steady optimum level.

The foregoing is merely preferred embodiments of the present invention, not thereby limit embodiments of the present invention and protection model It encloses, to those skilled in the art, should can appreciate that all with made by description of the invention and diagramatic content Equivalent substitution and obviously change obtained scheme, should all include within the scope of the present invention.

Claims (8)

1. a kind of self-adaptive modulation method of wireless router, which is characterized in that comprise the following steps:
A1. the air interference intensity of present channel is scanned, and obtains air interference parameter group;
A2. the air interference parameter group of acquisition is matched with default a plurality of application scenarios, each application Scene corresponds to an air interference parameter group;
A plurality of application scenarios include:First application scenarios, the second application scenarios and the 3rd application scenarios, described first should Be less than the air interference intensity of second application scenarios with the air interference intensity of scene, second application scenarios it is wireless Interference strength is less than the air interference intensity of the 3rd application scenarios;
A3. the application scenarios with channel are matched according to dynamic channel selection strategy, obtained and the application scenarios pair The channel answered;
A4. present channel is switched into channel corresponding with the application scenarios;
A5. delay scheduled time returns and performs step A1.
2. the self-adaptive modulation method of wireless router as described in claim 1, which is characterized in that the air interference parameter group Parameter include:Base station equipment quantity, communications network system integrated noise fraction, channel disturbance threshold value, channel seizure ratio, frame inspection Test sequence and the link rate of link layer.
3. the self-adaptive modulation method of wireless router as described in claim 1, which is characterized in that a plurality of application scenarios also wrap The 4th application scenarios are included, the air interference intensity of the 4th application scenarios is strong more than the air interference of the 3rd application scenarios Degree or the air interference intensity less than first application scenarios.
4. the self-adaptive modulation method of wireless router as described in claim 1, which is characterized in that the dynamic channel selection Strategy includes, first choice strategy, to select channel under first application scenarios, obtains and first application scenarios Corresponding channel.
5. the self-adaptive modulation method of wireless router as described in claim 1, which is characterized in that the dynamic channel selection Strategy includes, the second selection strategy, to select channel under second application scenarios, obtains and second application scenarios Corresponding channel.
6. the self-adaptive modulation method of wireless router as described in claim 1, which is characterized in that the dynamic channel selection Strategy includes, the 3rd selection strategy, to select channel under the 3rd application scenarios, obtains and the 3rd application scenarios Corresponding channel.
7. the self-adaptive modulation method of wireless router as claimed in claim 3, which is characterized in that the dynamic channel selection Strategy includes, the 4th selection strategy, to select channel under the 4th application scenarios, obtains and the 4th application scenarios Corresponding channel.
8. the self-adaptive modulation method of wireless router as described in claim 1, which is characterized in that the scope of the predetermined time In 5min~15min.
CN201410831292.3A 2014-12-22 2014-12-22 A kind of self-adaptive modulation method of wireless router CN104581853B (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101835243A (en) * 2010-05-25 2010-09-15 北京星网锐捷网络技术有限公司 Wireless access point working channel selecting method and device
CN102378218A (en) * 2011-11-04 2012-03-14 中国联合网络通信集团有限公司 Access point equipment of wireless local area network and channel selection method thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8391222B2 (en) * 2009-12-01 2013-03-05 Hewlett-Packard Development Company, L.P. Channel assignment for a wireless network

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101835243A (en) * 2010-05-25 2010-09-15 北京星网锐捷网络技术有限公司 Wireless access point working channel selecting method and device
CN102378218A (en) * 2011-11-04 2012-03-14 中国联合网络通信集团有限公司 Access point equipment of wireless local area network and channel selection method thereof

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