railway RRB JE (CBT I + CBT II) Mock Test 2024 Communication Systems Passband Transmission Quadrature Phase Shift Keying (QPSK)
The information rate to be transmitted is 900 bits / sec, FEC is 3 / 4, the symbol rate for QPSK modulation scheme is:
1
225 symbols / sec
2
450 symbols / sec
3
600 symbols / sec
4
675 symbols / sec