Single and multiple floor deployment 81
• Plan atriums to their full height.
• Plan an atrium as one full size room, not floor by floor.
• Place cell centers within an atrium only if you intend for them to cover
the atrium.
• Do not put cell centers in an atrium if you intend for them to serve
adjacent areas.
• To serve adjacent areas, put the cell centers into these areas.
•
Deploy the atrium first if the atrium is more than a third the size of the
building, or more than one cell in size.
• If cell centers in adjacent dense areas serve one floor of an atrium,
verify the coverage of the cell on all of the floors that meet with the
atrium.
High rise buildings Deploy high rises buildings as unusual conditions of
multi-floor deployment.
Test through-the-floor coverage first. If there is no through-the-floor
coverage, deploy each floor. Repeat for as many floors as possible where
the floor layout is the exact same as any other. In all other cases deploy
floor by floor. A floor with many meeting rooms deploys differently from a
building with cubicle style offices.
Unusual conditions There are no precise steps to follow if deploying for
an unusual condition, but there are points to be considered.
To plan an unusual condition, consider the following situations.
•
“Cell centers are too close ” (page 81)
•
“Cell centers are too far apart ” (page 81)
•
“Too many cell centers ” (page 82)
Cell centers are too close If cell centers are deployed less than
10 metres apart, the handsets can initiate unnecessary hand over.
Unnecessary hand over result in excessive internal messaging and
degraded speech quality.
Cell centers are too far apart If cell centers are deployed too far apart,
the edge of a cell does not overlap the coverage from another cell.
Cell centers must be located within the edge of other cell centers to
provide satisfactory overlap.
Nortel Communication Server 1000
SIP DECT Fundamentals
NN43120-123 01.07
6 January 2009
Copyright © 2008-2009 Nortel Networks
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