Question

A cellular system is operated at a carrier frequency of 1.9 GHz. For a mobile user traveling at a speed of 100 km/hr (a) Determine the maximum Doppler frequency,fo (b) In what situation, the Doppler frequency would equal to 0 Hz? (c) In what situation, the Doppler frequency would equal to fo2? (d) Assuming that the received power is P, - 0 dBm, draw the baseband power spectrum given below else
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