20
Taking measurements
Taking measurements
You have:
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Determined the requirements for the telephone network (
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Planned the number of base stations and their positions (
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Set up and operated the measurement equipment.
If you are using the Gigaset N720 SPK PRO (Site Planning Kit), you can find information
about setting it up on
.
You can now start the measurements for your planned DECT network. The aim of the
measurements is to determine the following:
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Is sufficient wireless coverage and a good voice quality guaranteed everywhere in the
desired area?
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Is synchronisation of the bases stations ensured in their planned positions?
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Is a handover between the base stations possible where it is required?
The requirements from these three aspects must be taken into account in the measure-
ments. For information on this, please also refer to the
Conditions for the positioning of
section
Notes for taking the measurements
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Take two different measurements:
– Measure the connection quality in the wireless coverage area for the planned base
stations.
– Measure the signal strength between the base stations (synchronisation measure-
ment).
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To measure the connection quality, establish a telephone connection. It is helpful if the
measurements are performed by two people, since they can check the voice quality
and interference on both measuring handsets directly in a call. If only one person per-
forms the measurements, the connection quality can be checked using the test tone
of the base station (
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You can also test the connection quality by holding the handset to your ear as you
measure, in the same way as you would in a real telephony situation. Turn around as
you do so. Note how the acoustics quality of the test tone changes. If interference
occurs at the limit of the range (e.g., crackling), power at the measuring site is critical.
Your head can impair reception. For this reason, the test against your ear is an addi-
tional check for verifying the reception quality in limit areas.
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Use the measuring handset in idle status to measure the signal strength between the
base stations, as it is the measured signal strength and not the voice quality that is rel-
evant in this situation.
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Using the stand, position the measuring base station as precisely as possible in relation
to the intended position for the base station.
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To measure the signal strength between base stations, position the measuring hand-
set in the exact planned position of the base station. For example, if you want to posi-
tion the base stations at a height of 3 m, make sure the measuring handset is at this
height.
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Move metal objects as far away as possible from the measuring base station as they
can influence the measurement.
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