engineering recuitment GATE ECE 2023-24 Test Series Communication Systems Passband Transmission Quadrature Phase Shift Keying (QPSK)
Consider a digital having a data rate of 4 kbps and average energy per bit of 0.01 units. If this message is transmitted using QPSK modulation scheme having an initial phase of 45°, The minimum separation distance in the signal space between any two consecutive code words would be ________.
1
0.1 units
2
0.2 units
3
0.4 units
4
0.5 units