Asked by | 3rd Mar, 2008, 04:25: PM
Line of sight communication.:
High gain antennas are needed to compensate for the
high free space damping. Gain per antenna around 30 dB.
(could be acomplished with antenna arrays).
The problem with LOS communication : --
:Link is broken if somebody steps into the beam.
•Solution: use indirect non-line of sight paths as back up links.
•This involves the reflections off the walls (billard)
•One would also need smart antennas
Answered by | 16th May, 2008, 04:55: PM
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