The transmission bandwidth of a TV station is 5.5 MHz, and the minimum acceptable received signal level is 30 dB above the background noise. We want to transmit a BPSK/FHSS digital broadcast signal in the same band using the same transmitter antenna.
(a) What is the maximum transmission power for the digital broadcasting service that allows the performance of the TV station to remain acceptable?
(b) What is the minimum processing gain of the FHSS system if the maximum error rate of the digital broadcasting system is to stay at 10-5?