CN102547758A - Deployment method of Wireless Local Area Network (WLAN) access point - Google Patents

Abstract

The invention discloses a deployment method of a wireless local area network (WLAN) access point, which selects WLAN series and rate on the basis of determining bandwidth demand of the determined important area to determine putting range of the access point (AP) so as to obtain a deployment plan of AP. The method can ensure to obtain the satisfied communication rate on the terminal of the important area, achieves the best deployment plan of AP, finally saves human and material resource cost of WLAN design and installation and improves user satisfaction rate. The method has better flexibility and strong practicability.

Description

A kind of WLAN access point deployment method

Technical field

The present invention relates to a kind of WLAN (Wireless LAN, WLAN) access point (AP, Access Point) dispositions method.

Background technology

In order to make the user can realize data communication at any time and any place, traditional calculating machine network by have alignment wireless, by fixing to move, by single business to multimedia evolution, the WLAN technology is arisen at the historic moment.Because the WLAN technology has characteristics such as low cost, two-forty, laying be flexible, WLAN has been widely used in hotspots such as family, enterprise, hotel, campus, airport, and progressively develops to the aspect, wireless city from hotspot.

In the deployment of WLAN, the deployment of AP planning is especially confirmed the number of AP and laid the position is extremely important problem.The deployment planning of current AP has two kinds of principles: the one, and towards covering, the 2nd, towards capacity.Towards the AP planning that covers, its target is to want with minimum AP maximum covering to be provided, this mode has application characteristic sudden, low rate, suitable general depot or retail retail shop, small-sized or medium scale office space etc.And plan that towards the AP of capacity its target is for each user the big throughput of trying one's best to be provided, and two-forty, low delay, user's closeness height are its application characteristics, this mode is suitable for application such as Streaming Media.

Yet in fact the deployment techniques of existing AP has comprised a hypothesis, i.e. WLAN terminal random distribution in the AP coverage.And this hypothesis is really not so under many circumstances, and most of terminals possibly major part be positioned at some key area, generally is positioned near the desk such as WLAN terminal in the family.Therefore must guarantee to have favorable service in these key areas, and the most important factor of service quality is exactly the bandwidth that the terminal can obtain.

Summary of the invention

The objective of the invention is to overcome the defective of prior art and a kind of WLAN access point deployment method is provided; Guarantee to obtain gratifying traffic rate at the terminal of key area; Reach the optimal deployment scheme of AP; Finally reach WLAN design and installation human and material resources cost, the effect of user's satisfaction rate of saving.

The technical scheme that realizes above-mentioned purpose is:

A kind of WLAN access point deployment method, at the basic deploy AP that confirms the key area bandwidth demand, said dispositions method comprises:

Step 1 according to each key area user's applicable cases, obtains the required network bandwidth of user under the different application scene, and these bandwidth synthesis are considered, draws bandwidth demand required in each key area;

Step 2 is compared bandwidth demand required in each key area with the speed that WLAN supports, confirm the speed in corresponding each key area of this series WLAN;

Step 3 confirms that the AP of each key area places scope, and AP can obtain by the speed in the corresponding key area of being obtained in the step 2 in these placement scopes;

Step 4 for each placement scope of gained in the step 3, if some placement scope has public lap, is placed an AP at overlapping;

Step 5 is removed the placement scope of having placed AP in the step 4, and for remaining each placement scope, execution in step 4 up to remaining each placement scope and the equal zero lap part of other placement scopes, is placed an AP respectively arbitrarily in these placement scopes.

Above-mentioned WLAN access point deployment method, wherein, said step 4 and step 5 realize through drawing.

The invention has the beneficial effects as follows: the present invention is through on the bandwidth demand basis of confirming the key area; Through choosing WLAN series and speed, obtain the deployment scheme of AP through drawing, this scheme is succinctly convenient; Can guarantee to obtain gratifying traffic rate at the terminal of key area; Reach the optimal deployment scheme of AP, finally reach WLAN design and installation human and material resources cost, the effect that improves user's satisfaction rate of saving.The present invention has good flexibility, and is practical.

Description of drawings

Fig. 1 is that the AP of a specific embodiment of the present invention disposes sketch map.

Embodiment

Below in conjunction with accompanying drawing the present invention is described further.

WLAN access point deployment method of the present invention, at the basic deploy AP that confirms the key area bandwidth demand, said dispositions method comprises:

Step 1, according to each key area i (i=1 ..., n) user's applicable cases obtains the required network bandwidth of user under the different application scene, and these bandwidth synthesis are considered, draw each key area i (i=1 ..., n) in required bandwidth demand T _{W, i}

Step 2 is confirmed the series that WLAN adopted, and confirms the speed that this series WLAN supports, with each key area i (i=1 ..., n) in required bandwidth demand T _{W, i}Compare with the speed that WLAN supports, affirmation should corresponding each the key area i of series WLAN (i=1 ..., the speed r in n) _i

Step 3 confirms that the AP of each key area places scope S _i, these place scope S _iInterior AP can obtain by the speed r in the corresponding key area of being obtained in the step 2 _i

Step 4 is for the scope of respectively the placing S of gained in the step 3 _iIf some placement scope has public lap, place an AP at overlapping;

Step 5 is removed the placement scope of having placed AP in the step 4, and for remaining each placement scope, execution in step 4 up to remaining each placement scope and the equal zero lap part of other placement scopes, is placed an AP respectively arbitrarily in these placement scopes.

Step 4 and step 5 can realize that S promptly draws through drawing on figure _iIf, S _iIn common factor is arranged, AP just is placed on the common factor place so, if there is not common factor, can be placed on S arbitrarily so _iIn.Number that is exactly final AP by the AP number that obtains and position among the figure and AP lay the position.

With specific embodiment explanation, see also Fig. 1 below:

Step 1 has three key areas 1,2; 3, wherein the application scenarios of first key area 1 and second key area 2 mainly is VoIP (Voice over Internet Protocol) and web page browsing, and the bandwidth demand of this dual-purpose application scenarios is respectively 2Mbps and 4Mbps; Through taking all factors into consideration; The bandwidth demand of first, second key area 1,2 is got their maximum 4Mbps, and also available other modes of bandwidth demand are got certainly; Application scenarios in the triple point zone 3 is web page browsing and video, and the corresponding bandwidth demand is respectively 6Mbps and 10Mbps, and the bandwidth demand in triple point zone 3 is got their mean value 8Mbps;

Step 2 supposes to use IEEE802.11a series A P, can obtain IEEE802.11a AP and support modulation systems such as BPSK, QPSK, 16-QAM, 64-QAM and 256-QAM, if AP does not use forward error correction (FEC).Channel width is set to 6MHz, and then these modulation systems can provide the speed of 6Mbps, 12Mbps, 24Mbps, 36Mbps and 48Mbps respectively; With the bandwidth demand 4Mbps of first, second key area 1,2 in the step 1 and the bandwidth demand 8Mbps and the IEEE802.11a series A P in triple point zone 3; The speed of supporting contrasts; The AP speed that can obtain in first, second key area 1,2 should be 6Mbps, and the AP speed in triple point zone 3 should be 12Mbps;

Step 3, according to speed 6Mbps and the 12Mbps of the AP that obtains in the step 2, the placement scope that can obtain the AP of first key area 1 is S ₁, the placement scope of the AP of second key area 2 is S ₂, the placement scope of the AP in triple point zone 3 is S ₃It should be noted that these three scopes both can obtain through actual measurement, also can obtain through Theoretical Calculation.But the former is more accurate;

Step 4 is through the drawing placement scope S that draws ₁, S ₂, S ₃, as shown in Figure 1, place scope S ₁With the scope of placement S ₂Have overlappingly, place an access point AP1 at overlapping;

Step 5 is removed the placement scope S that has placed access point AP1 in the step 4 ₁, S ₂, for remaining placement scope S ₃, because have only placement scope S this moment ₃, at the scope of placement S ₃Access point AP2 of interior placement arbitrarily; It should be noted that no matter to have several placement scopes to have overlapping, in the overlay region, can place an AP and get final product.

For this embodiment, only need to place two AP, and the position of AP is also definite the deployment scheme of Here it is AP.

Above embodiment only supplies to explain the present invention's usefulness; But not limitation of the present invention; The technical staff in relevant technologies field under the situation that does not break away from the spirit and scope of the present invention, can also make various conversion or modification; Therefore all technical schemes that are equal to also should belong to category of the present invention, should be limited each claim.

Claims (2)

1. a WLAN access point deployment method is characterized in that, at the basic deploy AP that confirms the key area bandwidth demand, said dispositions method comprises:

Step 1 according to each key area user's applicable cases, obtains the required network bandwidth of user under the different application scene, and these bandwidth synthesis are considered, draws bandwidth demand required in each key area;

Step 2 is compared bandwidth demand required in each key area with the speed that WLAN supports, confirm the speed in corresponding each key area of this series WLAN;

Step 3 confirms that the AP of each key area places scope, and AP can obtain by the speed in the corresponding key area of being obtained in the step 2 in these placement scopes;

Step 4 for each placement scope of gained in the step 3, if some placement scope has public lap, is placed an AP at overlapping;

Step 5 is removed the placement scope of having placed AP in the step 4, and for remaining each placement scope, execution in step 4 up to remaining each placement scope and the equal zero lap part of other placement scopes, is placed an AP respectively arbitrarily in these placement scopes.

2. WLAN access point deployment method according to claim 1 is characterized in that, said step 4 and step 5 realize through drawing.

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