B. Base Station Broadcast Range and Location
1.Base Station Requirements
To determine the number of base station in a system, you should consider base station broadcast range.
2.Base Station Range
In a typical office environment, each base station 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 base station and wireless terminal users and if there are no atmospheric limitations, the range may increase to 200 meters.
The following base station broadcast ranges can be used as a rough guide to plan the base station positions:
zIn line of sight, the base station has a range of about 200m.
zIn hall, the base station has a range of
zIn buildings, the base station has a range of about
r = Typical office environment : up to 50 meters
r = Line of sight : up to 200 meters
Base Station
Figure 3.6.9 Base Station Service Area
The characteristic antenna field pattern is a tours(doughnut) centered on the antenna.
Figure 3.6.10 Base Station Antenna Field Pattern (Vertical)
3.Base Station Location on the Plan Drawing
Determine the location of the base station on the plan drawing according to the previous information based on the base station broadcast range.
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