DTU Satellite Systems and Design Course CubeSat Communication
DTU Satellite Systems and Design Course CubeSat Communication
DTU Satellite Systems and Design Course CubeSat Communication
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Danish Space Research Institute<br />
Danish Small <strong>Satellite</strong> Programme<br />
Link Budget - 2<br />
Path Loss<br />
The quantity (λ/4πd) 2 eller (c/4πdf) 2 is also denoted L p -1 <strong>and</strong> ic called the path<br />
attenuation or path loss), i.e.:<br />
L p<br />
=<br />
⎛<br />
⎜<br />
⎝<br />
4⋅π⋅ d⋅f<br />
c<br />
Note that L p is a dimensionless quantity<br />
⎞<br />
⎟<br />
⎠<br />
FH 2001-08-27 Cubesat_<strong>Communication</strong>.ppt<br />
2<br />
The relationship between the received <strong>and</strong> the transmitted powers may now simply be<br />
expressed as<br />
P r /P t = G t ·G r /L p<br />
Slide # 7
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