In the problems below, the rate expressed in bits per second is written as bps and the rate bytes per second as Bps.
Channel capacity reduction with range. The signal energy detected by your smartphone at range ro = 0.5 km equals εs (ro) = 106σN2. The bandwidth B = 100 kHz and is constant with range.
a) What is the value of C(ro)?
b) As the smartphone distance from the antenna increases, at what range does εs (αro) become less than 100σN2?
c) What is the channel capacity at that range?
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