ECE 5/4625 ⢠Quiz 12a ⢠May 7, 2013
ECE 5/4625 ⢠Quiz 12a ⢠May 7, 2013
ECE 5/4625 ⢠Quiz 12a ⢠May 7, 2013
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<strong>ECE</strong> 5/<strong>4625</strong> • <strong>Quiz</strong> 12e • <strong>May</strong> 7, <strong>2013</strong>Topic: Physical Noise Sources Name: ___________________________Given a relay-user link as described in text Section A.3 with the following parameters:Average transmit power of relay satellite: 35 dBWTransmit frequency: 7.7 GHzEffective antenna aperture of relay satellite: 1m 2Noise temperature of user receiver including antenna: 1000 KAntenna gain of user: 6 dBTotal system losses: 5 dBSystem bandwidth: 1 MHzRelay-user separation: 41,000 kma.) Find the received signal power level at the user in dBW.b.) Find the receiver noise level in dBW.c.) Compute the SNR at the receiver in dB.
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