Category Archives: Telecommunication Engineering

QPSK Modulation and Demodulation without consideration of noise

Write a code in MatLAB where input message signal is your name and surname: “Name” “Surname”. The signal sampling frequency will be 1 MHz, the carrier frequency will be 100 kHz and the number of samples per bit will be 20. The cut off frequency of the filter will be 25 kHz.
Run the code generated and present the signal forms: the input signal, the modulated signal and the output signal of the demodulator, the transmission channel is an ideal channel without noise.