Dect Installations In Special Environments - Gigaset N870 IP Pro Site Planning And Measurement Manual

DECT installations in special environments

The Projecting the DECT network and Taking measurements sections describe all prerequisites
and steps for planning a DECT network. In addition to the examples and applications described
there, this section contains notes for special construction or topographical requirements.
DECT networks over several floors
If the DECT network is to cover several floors of a building, you must consider the following when
planning the number and location of base stations:
•
What material are the suspended ceilings made from?
If they are reinforced concrete, only one ceiling can be positioned between the base station
and telephone for a direct wireless path. Furnishings and partitions in rooms etc. can restrict
the wireless transmission even further.
Use measurements to check where further base stations are required.
•
To what extent must a handover between the floors be guaranteed?
In this case, the base stations must be positioned such that stairwells are also completely
covered. Note also that any fire doors or walls can reduce the wireless transmission severely.
Add the vertical levels of your planned coverage areas to your measurement plan and record
the vertical transmission of the DECT network.
•
No handover between floors required
In this case you can work with clusters (more cost-effective). If you set up one cluster for
each floor, the base stations of the cluster are synchronised with one another and a
handover is possible. Handover is not possible between floors, but the IP PABX functions
(VoIP configuration, directories, etc.) are available in all clusters.
Stairwells and lifts
Stairwells often have particularly absorbent walls (e.g., reinforced concrete); access to the
stairwell may be restricted by fire doors. Planning of the DECT network is therefore subject
to special requirements here.
If you want calls via the DECT network to be possible in the stairwell, the most cost-effective
variant is to install one (or even several) base station(s) as a separate cluster.
If a handover is required in the stairwell, you should check the position of the stairwell to
the corridors (transitions, doors, fire doors), measure the wireless coverage and, if necessary,
provide one or more base stations for wireless coverage of the stairwell.
Making calls in lifts is usually not possible due to the highly absorbent and/or reflective materials.
However, if this is a requirement, you can check whether you can achieve sufficient signal strength
and quality for making calls in a lift by installing a separate base station in the lift shaft.
DECT installations in special environments
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