5th / 7th
Compulsory for Direction
Computer Networks and Communications
Introduction in basic principles of designing digital communication systems. Fourier transform, spectral analysis of simple waveforms. Digital modulation (ASK, PSK, FSK, QPSK, QAM). Sampling and quantization. Source entropy and source coding. Channel capacity. Noise, Signal to noise ratio, understanding of dB and its use in communications. Bit error rate and its relation to signal to noise ratio. Spectral efficiency. Line coding. Error correction and detection. Block codes, convolutional codes. Overview of the technical aspects of modern communication systems.