CN108429608A - A kind of method and device automating distribution wireless channel based on high in the clouds - Google Patents
A kind of method and device automating distribution wireless channel based on high in the clouds Download PDFInfo
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- CN108429608A CN108429608A CN201810161573.0A CN201810161573A CN108429608A CN 108429608 A CN108429608 A CN 108429608A CN 201810161573 A CN201810161573 A CN 201810161573A CN 108429608 A CN108429608 A CN 108429608A
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- clouds
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- wireless
- distance
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
- H04L5/0033—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation each allocating device acting autonomously, i.e. without negotiation with other allocating devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Small-Scale Networks (AREA)
Abstract
The present invention provides a kind of method and devices automating distribution wireless channel based on high in the clouds.Described device includes high in the clouds and several AP.It is connected by radio communication between high in the clouds and each AP, between each AP, the high in the clouds is used to be uniformly controlled the channel of each AP work, and calculate the relative distance between each AP, each AP coordinate value, and the final channel configuration planned is issued to each AP.The method that the present invention uses the planning of high in the clouds coordinates computed, keeps wireless network integrated planning more reasonable.
Description
Technical field
The present invention relates to communication network field more particularly to it is a kind of based on high in the clouds automate distribution wireless channel method and
Device.
Background technology
With the development of radio network technique and popularizing for Wireless Communication Equipment, more and more wireless devices appear in just
In normal environment, and lack the case where wireless network planned can make wireless channel interfere increasingly severe, wireless network matter
Measure degradation.
Existing market can plan that the equipment of channel is less automatically, and in only a few money equipment, some dependence clients are soft
Part cooperation detection, some need, which manually participates in cooperation, could complete planning, and these products can not take into account cost and using effect
Fruit.
Therefore surrounding wireless device busy channel situation can not only be detected in the following urgent need one, and can be to being directed to week
It encloses channel occupancy situation and automatically selects out preferred channels, and the equipment is made to be operated in selected channel.
Invention content
To solve the above problems, the present invention provides a kind of methods and dress automating distribution wireless channel based on high in the clouds
It sets.
Described device includes high in the clouds and several AP, is connected by radio communication between high in the clouds and each AP, between each AP,
The high in the clouds is used to be uniformly controlled the channel of each AP work, and calculate the relative distance between each AP, each AP coordinate
Value, and the final channel configuration planned is issued to each AP.
The method includes the following steps：
Step 1：All AP (Access Point, wireless access point) are issued a command under high in the clouds, it is desirable that it is operated in initially
On channel.
Step 2：All AP switch to normal mode of operation and are operated in initial channel, and each AP collects the nothing of surrounding AP
Line radio-frequency information simultaneously reports to high in the clouds.
Step 3：High in the clouds calculates the relative distance of each AP according to the wireless messages of the AP surrounding AP reported, and formula is
Wherein d is the distance between itself AP and surrounding some AP.d0For predetermined reference distance.Pr (d) is certainly
Body AP receives the power of signal, unit dBm；Pr(d0) it is reference distance d0The corresponding reception channel power of point.XdBmIt is one
The Gaussian random variable that average value is 0, unit dBm；N is path trumpet index, is one and the relevant value of current environment.
Step 4:High in the clouds calculates the relative positions of each AP in three dimensions with maximum likelihood estimate, and to sit
Mark indicates.
Step 5：High in the clouds corresponds pre-set channel and each AP coordinates according to the coordinate of each AP.
Step 6：Detect whether that new AP is added, if any, then repeat step 4-five, until all AP
Channel plan is all completed, is otherwise directly carried out in next step.
Step 7：High in the clouds is to going out the channel total score of each AP when the good channel statistical of preplanning.
Step 8：The final channel configuration planned is issued to each AP, the channel of planning is made to come into force.
Further, in step 1, the initial channel of all AP work is same channel.
Further, in step 3, wireless messages include relative distance.
Further, in step 3, wireless messages include coordinate value.
Further, n takes n under 2, and/or outdoor shed space environment to take 3 under outdoor open space environment, and/or indoor
Under view distance environment n take 1.8 and/or interior when having obstacle n take 4.
Beneficial effects of the present invention are：
1. can plan channel automatically by high in the clouds and implement to work normally.
2. high degree of automation does not need the cooperatings such as manual intervention or client software.
3. high in the clouds can be issued to AP and come into force automatically after being automatically performed planning.
4. using the method for high in the clouds coordinates computed planning, keep wireless network integrated planning more reasonable.
5. using multiple spot distributed AP testing mechanism, high in the clouds more accurately can dynamically adjust each AP channels of itself.
Description of the drawings
Fig. 1 is the practical relative position of tetra- AP of A, B, C, D.
Fig. 2 is the mutual signal strength schematic diagrames of tetra- AP of A, B, C, D.
Fig. 3 is the respective relative distance schematic diagram of A, B, C, D.
Fig. 4 is the coordinate that A, B, C, D are calculated with the maximum likelihood number estimation technique.
Fig. 5 is the channel for being finally issued to each AP.
Specific implementation mode
The present invention design concept be：The present invention carries out channel plan using high in the clouds to each AP, realizes automation.
The device of the present invention that distribution wireless channel is automated based on high in the clouds includes high in the clouds and several AP, high in the clouds with it is each
It is connected by radio communication between AP, between each AP, the high in the clouds is used to be uniformly controlled the channel of each AP work, and calculates
The coordinate value of relative distance, each AP between each AP, and the final channel configuration planned is issued to each AP.
The working method of above-mentioned apparatus includes the following steps：
Step 1：All AP are issued a command under high in the clouds, it is desirable that it is operated on initial channel.
The present invention dominating as planning, the limitation that can have when automatically selecting channel to avoid single AP using high in the clouds
Property.High in the clouds is weighed by the channel setting of all AP.
Preferably, in step 1, the initial channel of all AP work is same channel, to exclude to come from other in planning
The interference of channel.
Step 2：All AP switch to normal mode of operation and are operated in initial channel, and each AP collects the nothing of surrounding AP
Line radio-frequency information simultaneously reports to high in the clouds.
Step 3：High in the clouds calculates the relative distance of each AP according to the wireless messages of the AP surrounding AP reported.
Calculation formula is
Wherein d is the distance between itself AP and surrounding some AP；d0For predetermined reference distance；Pr (d) is certainly
Body AP receives the power of signal, unit dBm；Pr(d0) it is reference distance d0The corresponding reception channel power of point；XdBmIt is one
The Gaussian random variable that average value is 0, unit dBm；N is path trumpet index, is one and the relevant value of current environment.Family
N takes n under 2, and/or outdoor shed space environment that n under 3 and/or indoor view distance environment is taken to take 1.8 under outer open space environment,
And/or interior when having obstacle n take 4.The specific value of other environment can be formulated according to circumstances.
The wireless messages include relative distance, the coordinate methods of each AP in three dimensions between each AP, are obtained
These information are taken so that channel plan is more accurate.
Step 4:High in the clouds calculates the relative positions of each AP in three dimensions with maximum likelihood estimate, and to sit
Mark indicates.
Step 5：High in the clouds corresponds pre-set channel and each AP coordinates according to the coordinate of each AP.
Step 6：Detect whether that new AP is added, if any, then repeat step 4-five, until all AP
Channel plan is all completed, is otherwise directly carried out in next step.
With reference to Fig. 1,2,3,4, AP is respectively represented with A, B, C, D and carries out channel plan illustration.
Such as assume that Fig. 1 is the practical relative position of tetra- AP of ABCD, wherein vertical line is all wall.First by tetra- AP of ABCD
It is set as same channel, and is collected into the 4 mutual signal strengths of AP (rssi) information (as shown in Figure 2).
By formulaObtain the respective relative distance of A, B, C, D
(as shown in Figure 3).Here distance refers to WiFi wireless signal transmission spacing rather than physical distance.
The coordinate (as shown in Figure 4) of A, B, C, D are calculated with the maximum likelihood number estimation technique.Random selection A first is used as
Point is sent out, coordinate is (0,0), obtains the coordinate (4.6, -10.6) of B successively according to algorithm, the coordinate (4.5, -10.5) of C, D's
Coordinate (29.8,0.7).
Step 7：High in the clouds is to going out the channel total score of each AP when the good channel statistical of preplanning.Channel total score is by every
The channel scoring of a AP planned is added, and the channel of single AP is scored at channel utilization (1-255) and is taken by looking into.
Step 8：The final channel configuration planned is issued to each AP (as shown in Figure 5), the channel of planning is made to give birth to
Effect.
Claims (6)
1. a kind of device automating distribution wireless channel based on high in the clouds, which is characterized in that including high in the clouds and several AP, high in the clouds with
It being connected by radio communication between each AP, between each AP, the high in the clouds is used to be uniformly controlled the channel of each AP work, and
Calculate relative distance between each AP, each AP coordinate value, and the final channel configuration planned is issued to each AP.
2. a kind of method automating distribution wireless channel device based on high in the clouds, which is characterized in that include the following steps：
Step 1：All AP are issued a command under high in the clouds, it is desirable that it is operated on initial channel；
Step 2：All AP switch to normal mode of operation and are operated in initial channel, and each AP collects the wireless of surrounding AP and penetrates
Frequency information simultaneously reports to high in the clouds；
Step 3：High in the clouds calculates the relative distance of each AP according to the wireless messages of the AP surrounding AP reported, and formula is
Wherein d is the distance between itself AP and surrounding some AP；d0For predetermined reference distance；Pr (d) is that itself AP connects
The power of the collection of letters number, unit dBm；Pr(d0) it is reference distance d0The corresponding reception channel power of point；XdBmIt is an average value
For 0 Gaussian random variable, unit dBm；N is path trumpet index, is one and the relevant value of current environment；
Step 4:High in the clouds calculates the relative positions of each AP in three dimensions with maximum likelihood estimate, and with coordinates table
Show；
Step 5：High in the clouds corresponds pre-set channel and each AP coordinates according to the coordinate of each AP；
Step 6：Detect whether that new AP is added, if any, then repeat step 4-five, until all AP all complete
At channel plan, otherwise directly carry out in next step；
Step 7：High in the clouds is to going out the channel total score of each AP when the good channel statistical of preplanning；
Step 8：The final channel configuration planned is issued to each AP, the channel of planning is made to come into force.
3. the method for automating the device of distribution wireless channel based on high in the clouds as claimed in claim 2, which is characterized in that step
In one, the initial channel of all AP work is same channel.
4. the method for automating the device of distribution wireless channel based on high in the clouds as claimed in claim 2, which is characterized in that step
In three, wireless messages include relative distance.
5. the method for automating the device of distribution wireless channel based on high in the clouds as claimed in claim 2, which is characterized in that step
In three, wireless messages include coordinate value.
6. the method for automating the device of distribution wireless channel based on high in the clouds as claimed in claim 2, which is characterized in that outdoor
N takes 2 under open space environment, and/or n takes under 3 and/or indoor view distance environment n to take 1.8 under the environment of outdoor shed space, and/
Or interior when having obstacle n take 4.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711006220 | 2017-10-25 | ||
| CN2017110062205 | 2017-10-25 |
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| CN108429608A true CN108429608A (en) | 2018-08-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112616151A (en) * | 2020-11-26 | 2021-04-06 | 成都市吉祥锐意科技有限公司 | Technology based on cloud radio frequency optimization |
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| CN102480744A (en) * | 2010-11-22 | 2012-05-30 | 丛林网络公司 | Automatic access point location, planning, and coverage optimization |
| US8532063B1 (en) * | 2003-02-24 | 2013-09-10 | Piccata Fund Limited Liability Company | Program for selecting an optimum access point in a wireless network |
| CN104581813A (en) * | 2015-01-28 | 2015-04-29 | 山东建筑大学 | Dynamic channel allocation method of WLAN (wireless local area network) system |
-
2018
- 2018-02-27 CN CN201810161573.0A patent/CN108429608A/en active Pending
Patent Citations (4)
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|---|---|---|---|---|
| US8532063B1 (en) * | 2003-02-24 | 2013-09-10 | Piccata Fund Limited Liability Company | Program for selecting an optimum access point in a wireless network |
| CN101013982A (en) * | 2007-02-09 | 2007-08-08 | 杭州华为三康技术有限公司 | Channel selecting method and equipment of accessing point |
| CN102480744A (en) * | 2010-11-22 | 2012-05-30 | 丛林网络公司 | Automatic access point location, planning, and coverage optimization |
| CN104581813A (en) * | 2015-01-28 | 2015-04-29 | 山东建筑大学 | Dynamic channel allocation method of WLAN (wireless local area network) system |
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| CN112616151A (en) * | 2020-11-26 | 2021-04-06 | 成都市吉祥锐意科技有限公司 | Technology based on cloud radio frequency optimization |
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Application publication date: 20180821 |