Geometric Dimensioning Of Outdoor Wireless Network Links - Lancom OAP-54-1 Manual

Wireless bridge
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LANCOM OAP-54-1 Wireless – LANCOM OAC-54-1 Wireless
Chapter 5: Advanced wireless LAN configuration
Thus it is recommended for the 5 GHz band that one central access point
should be configured as 'Master' and all other point-to-point partners should
be configured as 'Slave'. In the 2.4 GHz band, too, this setting simplifies the
establishment of point-to-point connections if the automatic channel search
is activated.
5.2.1

Geometric dimensioning of outdoor wireless network links

The following basic questions must be answered when designing wireless
links:
Selection of antennas using the LANCOM Antenna Calculator
You can use the LANCOM Antenna Calculator to calculate the output power
of the access points as well as the achievable distances and data rates. The
program can be downloaded from our website at www.lancom.eu.
After selecting your components (access points, antennas, lightning protec-
tion and cable) the calculator works out the data rates, ranges, and the
antenna gain settings that have to be entered into the access point.
48
MASTER
ANTENNE
It is imperative that the channel selection scheme is configured cor-
rectly if the point-to-point connections are to be encrypted with
802.11i/WPA.
What antennas must be used for the desired application?
How must the antennas be positioned to ensure a problem-free connec-
tion?
What performance characteristics do the antennas need to ensure suffi-
cient data throughput within the legal limits?
ANTENNE
SLAVE
ANTENNE
SLAVE

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