Base Station Planning Tips - Avaya DECT R4 Installation And Administration Manual

Internal and external antennas
In an environment with high reflections, such as most office environments, the difference in
coverage of the internal and external antennas is negligible. Both types of antennas provide
coverage to different areas. In an environment with low reflections, forward bias or directional
behavior of internal antennas is noticeable. For more information , see
Internal and External Antennas
horizontally in order to get more vertical coverage in for example stair wells.
Figure 13: Antenna pattern of the Internal and External Antennas
Front
Base Station Seen from Above
Directional antennas
Use directional antennas in small corridors and halls. Different types of antenna have different
radiation patterns. Therefore, determine the type of antenna that is appropriate for your
application. For best results, mount the base stations on the ceiling, so that the antennas can
radiate vertically downwards. You can also use a beam that is very directional horizontally but
has a wider radiation pattern vertically or vice versa. For example, in an extremely high hall
ceiling. For this reason, you must always carry out a measurement to ensure the best possible
operation.

Base station planning tips

For information about base station planning, see
of the base stations
Some important guidelines for base station planning:
Avaya DECT R4 - Installation and Maintenance Guide
on page 59. It may be worth trying to place base stations
Coverage Area Internal Antennas
Coverage Area External Antennas
Base Station
Rear
on page 58.
Location of the base stations
Client requirements on page 46 and
Antenna pattern of the
Location
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