Review of baseband transmission: sampling, quantization, line coding and pulse shaping. Power spectral density of line coding techniques. Performance of line coding techniques. PAM, PWM, PPM and Pulse Code Modulation (PCM). Differential PCM. Digital modulation formats: ASK, FSK, PSK, QPSK and QAM. Optimum receiver design. Matched filter derivation and design for digital modulation formats. Signal space representation. Performance evaluation for digital modulation in AWGN channel. Probability of symbol and bit error for the different modulation formats. Channel coding and its effect on probability of bit error. Hamming codes. Convolutional codes. Linear block codes. Error correcting capability of linear block codes.