Given a relay-user link as described in Section A.3 with the following parameters:
a. 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 decibels. d. Find the average probability of error for the following digital signaling methods:
(1) BPSK,
(2) binary DPSK,
(3) binary no coherent FSK,
(4) QPSK.4