please do all step neat and clean if some value is missing than assume it Q No. 4 [10] A large numbe

please do all step neat and clean

if some value is missing than assume it Q No. 4 [10] A large number of satellite telephones FDMA-DA. Each telephone transmit BPSK signal in C barid with a total bandwidth of 16 KHz (occupied 12 KHz plus guard band of 4 KHz). The power level at the input to the transponder is always-134 dBW and C/N in clear air condition in the transponder is 16 dB for each satellite telephone signal. The transponder has a bandwidth of 1 MHz, a gain of 124 dB, and a maximum permitted output power of 10W single transponder on a LEO satellite using can accesS a Determine the maximum number of satellite telephones which can simultaneously access the transponder. 62 Is the transponder power and bandwidth limited? Explain. ,3 If transponder is power limited, how can we increase the number of satellite telephone signals? What will be the effect on C/N for the link?

 

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