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36 Planning
• Which locations are likely to generate the largest amount of traffic?
• Where is future network expansion most likely?
Mobility requirements
Assess the mobility requirements:
•
How many wireless handset users are in motion continually, such as in
a warehouse or hospital?
• How many users work from different fixed locations throughout the
site?
Physical site study
Perform a study of the physical site:
• Study blueprints of the proposed site. A site blueprint provides a map
of the site, including the location of objects such as walls, partitions,
and anything else that could affect the performance of a wireless
handset. This helps identify areas where wireless handsets are less
likely to perform well. Many obstructions are not readily visible and,
in some cases, a room originally built for a specific purpose, such as
a radiology lab, can be converted into something completely different,
such as a conference room. The blueprint can also show areas
proposed for future building expansion.
•
Mark possible wireless handset usage locations on the blueprint and
refer to the marked blueprint during the physical walk-through and
inventory.
Walk-through and survey
Conduct a physical walk-through and survey:
•
Document any items or materials near a proposed AP location that
might interfere with reception or transmission and affect wireless
handset performance, such as metal shelving.
• Document stock and inventory levels, current environmental
conditions, and any materials that can interfere with wireless handset
transmissions.
• Walk around the site with a site survey tool before installing APs.
Use two portable computers with wireless hardware operating on
a point-to-point basis. Using diagnostic software provided by the
AP vendor, a coverage area for a potential AP can be determined
by keeping one portable computer in one place and moving around
with the other computer. Check with the vendor as to what tools are
provided and what approach is recommended for deploying their APs.
Nortel Communication Server 1000
WLAN IP Telephony Installation and Commissioning
NN43001-504 03.04 Standard
23 September 2008
Copyright © 2004–2008 Nortel Networks
.