Projectautumn12.Gnd2 History

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We hope that this can be a base for a distributed antenna platform for the whole QB-50 :-)

Jens Dalsgaard Nielsen (jdn@space.aau.dk) Jesper A Larsen (jal@space.aau.dk)
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%rfloat width=400px margin-right=25px %http://space.aau.dk/picts/bitflet.jpg | antenna
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%rfloat width=400px margin-right=25px %http://space.aau.dk/picts/bitflet.jpg | bit flet
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* Distributed system for
to:
* Distributed system for antenna ''reservation''
* real time bit streamning '' around'' Europe
* Bit stream analysis
* Handling of different transmission times from antennas to you ''Houston''
* Multiple bit stream processing ending up with the ''real one''
* hand over from antenna to antenna when
** a satellite leaves ''antenna''
** when antenna bit stream quality is to low.

The basic idea is to have a system which can compensate for spinning satellites, non uniform antenna systems onboard the satellite etc.
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%rfloat width=400pxmargin-right=25px %http://space.aau.dk/picts/bitflet.jpg | antenna
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%rfloat width=400px margin-right=25px %http://space.aau.dk/picts/bitflet.jpg | antenna
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%rfloat width=400px%http://space.aau.dk/picts/bitflet.jpg | antenna

As seen on the picture the idea is to use parallel bit streams from different groundstation (below protocol level) and carry out aligment and voting. This implys that at least three antenna systems shall be handling a satellite on the same time.
to:
%rfloat width=400pxmargin-right=25px %http://space.aau.dk/picts/bitflet.jpg | antenna

As seen on the picture the idea is to use parallel bit streams from different groundstation (below protocol level) and carry out aligment and voting. This implys

!!Project wish list

* Distributed system for
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As seen on the picture the idea is to use parallel bit streams from different groundstation (below protocol level) and carry out aligment and voting. This implys that at least three antenna systems shall be handling a satellite on the same time.
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%rfloat width=400px%http://space.aau.dk/picts/bitflet.jpg | antenna
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! Distributed Real Time Ground System

This is a variant of [[gnd1 | distroibuted ground system]] so please read this first to give an impression.