Infrastructure Requirements and Layout Planning
Dual Band EnCOVER VE™ Instant Coverage Solution User Manual
14
3.3.1.3 Dense
Environment:
A dense environment consists of a relatively large amount of walls, offices, equipment, tall file
cabinets, bookshelves and other items that could potentially impact the wireless signal.
Examples for this type of environment are dense offices, hospitals and manufacturing spaces.
Table 6: Standard Environment Installation Distances
Band and Technology
PCS
(CDMA or GSM)
PCS
(WCDMA)
UMTS
(WCDMA)
Downlink Frequency
1900 MHz
1900 MHz
2100 MHz
Signal Propagation from VAP
64 feet
(19 m)
60 feet
(18 m)
45 feet
(14 m)
Recommend spacing between VAPs
128 feet
(38 m)
120 feet
(36 m)
90 feet
(28 m)
Recommended maximum distance of
VAPs from outer walls
64 feet
(19 m)
60 feet
(18 m)
45 feet
(14 m)
Coverage Area per VAP
12,750 sqft
(1,185 sqm)
11,250 sqft
(1,045 sqm)
6,300 sqft
(585 sqm)
3.3.1.4
Combination of Environments
In areas with combinations of environments of various densities, place the VAPs on the border
between the different types of areas – closer to the denser area.
For example, in a cubical area with the outside wall having offices, simply locate the VAPs a little
closer to the outside offices to provide coverage through the office walls. (See VAPs 11 and 13 in
the floor plan map in section
3.4.3.)
To ensure maximal coverage, VAPs can be re-located or added. If a coverage gap is detected,
the VAPs can be re-located until the coverage gaps are filled.
3.4
Planning VAP Layout
The following section describes the steps of planning the VAPs along the covered floor. At the
end of this section an example of a planning map is provided.
Note: It is highly recommended to use a floor plan when planning the VAPs locations.
3.4.1
RF Coverage Factors
It is important to note the type of factors that can severely impact RF coverage which should be
avoided:
•
Metallic structures such as elevators, high file cabinets and some moveable metallic
partitions severely degrade RF signal and all efforts should be made to locate VAPs in front
of or above metallic objects (desks, filing cabinets) to allow the signal to propagate.
•
Wall materials such as concrete, tile and cinderblock along with bathroom fixtures typically
have fairly high signal attenuation and should be considered as dense spaces.
