Question: A frequency-diversity microwave system operates at an RF carrier frequency of 7.4 GHz. The IF is a low-index frequency-modulated subcarrier. The baseband signal is a

A frequency-diversity microwave system operates at an RF carrier frequency of 7.4 GHz. The IF is a low-index frequency-modulated subcarrier. The baseband signal is a single master group FDM system. The antennas are 2.4-m parabolic dishes. The feeder lengths are 120 mat one station and 80 m at the other station. The reliability objective is 99.995%. The system propagates over an average terrain that has a very dry climate. The distance between stations is 40 km. The minimum carrier-to noise ratio at the receiver input is 28 dB. Determine the system gain.

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STEP 1 Calculate the FreeSpace Path Loss FSPL The freespace path loss is given by the formula FSPL dB 20 log10f 20 log10d 20 log10 14755 Where f is th... View full answer

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