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Perform a link budget for a 25-kilometer point-to-point microwave link in the 30 GHz band. Calculate the free space loss (dB), received power dBm), fade margin (dB), and Fresnel zone radius(m) given the following:

Tx Power = 70 dBm

Tx and Rx antennas diameter = 4 m

Antenna efficiency coefficient = 0.5

Antenna polarization = Vertical

Cable (feed line) loss coefficient = 0.8dB/m

Cable length from Tx to antenna (feedline) = 5m

Cable length from Rx to antenna (feedline) = 8m

Atmospheric losses = 0.5 dB

Receiver sensitivity = -100 dBm

Rain intensity for 0.01% outage = 30 mm/hr

Electrical & Electronics, Engineering

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  • Reference No.:- M9703191

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