InfiNet Wireless Quanta 5, Техническое руководство пользователя

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Quanta 5
Quanta 5 Technical User Manual
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4 Planning considerations
During link planning such factors as distance, obstacles and the link margin should be taken
into account. We strongly recommend to use the InfiPLANNER tool for link planning.
4.1 InfiPLANNER
InfiPLANNER is a link planning tool, which allows to design networks using InfiNet Wireless
devices for optimal deployment and cost effectiveness. It performs different scenarios based on
geography, distance, antenna height, transmit power, device models and other factors. It
outputs an installation report that defines the parameters to be used for configuration,
alignment and operation. Use the installation report to compare predicted and actual link
. performance. InfiPLANNER is available at https://infiplanner.infinetwireless.com
4.1.1 Range and obstacles
Make sure line of sight is provided during planning the antennas placement for a point-to-point
link, to achieve maximum range and performance between two antennas. Perform a survey to
identify all the obstructions (such as trees or buildings) in the path and to assess the risk of
interference.
The radio beam is an invisible form of electromagnetic wave propagation and is not as thin as a
laser beam, for example. The main energy in a radio beam is concentrated along the straight
line between the two antennas, inside an area the shape of an ellipsoid (or a rugby ball). This
area is called a 1 Fresnel zone and its exact form and size depends upon the frequency and
st
the signal propagation path length.
If most of the 1 Fresnel zone is obstructed, a major part of the radio wave’s electromagnetic
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energy is lost, which leads to a severe signal quality degradation and as a result to decreased
coverage range or performance.
Below is an incomplete list of possible obstructions on the signal propagation path:
NOTE
You can find more detailed information about InfiPLANNER in the "InfiPLANNER:
" online course. Link Planning Tool