engineering recuitment GATE ECE 2023-24 Test Series Communication Systems Passband Transmission Binary Phase Shift Keying (BPSK)
The waveforms used in a coherent BFSK modulation scheme are as follows:
s0(t) = cos (2πf0t) ; 0 ≤ t ≤ Tb ⇒ for logic-0
s1(t) = cos (2πf1t) ; 0 ≤ t ≤ Tb ⇒ for logic-1
The frequencies f0 and f1 are 50 kHz and 60 kHz respectively. For which one of the following bit rates \(\left(R_b = \frac{1}{T_b}\right)\), the signals s0(t) and s1(t) are said to be orthogonal to each other?
1
8 kbps
2
10 kbps
3
4 kbps
4
6 kbps