WIT-400HE Installation Manual
Date: 15/M
ar/2012
This Document Contains proprietary information and may not be reproduced or copied without express
Written permission of a duly authorized representative of Ericsson-LG Co.Ltd.
25
5. Cell
Planning
5.1 Access
Point
Requirements
To determine the number of Access Point in a system, you should consider Access Point broadcast range.
5.2 Access
Point
Range
In a typical office environment, each Access Point has a broadcast range of 50 meters and supports an
area of 8,000 square meters, but a broadcast range depends entirely upon office environment. Where the
absence of any obstruction provides perfect line of sight conditions between the Access Point and
wireless terminal users and if there are no atmospheric limitations, the range may increase to 200 meters.
If you want to use AP supported 802.11b/g/n mixed mode, this range may decrease to 100 meters
because of the characteristics of AP.
The following Access Point broadcast ranges can be used as a rough guide to plan the Access Point
positions:
z
In line of sight, the b/g Access Point has a range of up to 200m(open area).
z
In hall, the Access Point has a range of 40-70m.
z
In buildings, the Access Point has a range of about 25-40m. It assumes that walls are made of
light brick, plasterboard or wallboard with metal frames. Normal electrical wiring, central heating
pipes, office furniture and desktop computer equipment have no significant effect.
<Figure .1> Access Point Service Area
5.3 Access
Point
Positioning
The radio coverage area that a single AP provides is not sufficient to serve the entire WLAN in many