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Deployment
Determining How Many Access Points are Needed
In this section you define the coverage area for each floor in the building and divide it into rectangles
and calculate how many access points are needed by dividing the area of each rectangle by the Z factor
squared.
The example shown below is for a typical office building with a desired average user throughput of
5 Mbps.
Figure 5
Optional Minimal Site Survey
If the building type estimate needs to be verified, a quick minimal site survey can be done to verify the
signal strength of the access point for the coverage radius. For example, for a typical office building with
a desired average user performance of 12 Mbps a signal strength of -75 dBm or better is needed and the
site survey will be used to verify that the -75 dBm coverage radius of a Cisco 1000 Series lightweight
access point is 50 feet. Review the "Optional Minimal Site Survey" section of this document for how to
perform a site survey using a Cisco 1000 Series lightweight access point.
78-17279-01
Determining the Number of access points
150 ft.
APs (Area 2) = (450/77) x (150/77) = 12 APs
(Area 1)
150 ft.
(Area 2)
450 ft.
APs (Area 1) = (150/77) x (150/77) = 4 APs
Deployment Guide: Cisco Aironet 1000 Series Lightweight Access Points
Example Basic Guidelines Process
Total = 16 APs
150 ft.
13
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