Digital Communication and Information Systems

Review of Fourier Transforms, Sampling Theorem, Quantization, Pulse Code Modulation, Digital Modulation Schemes BPSK, QPSK, BFSK, QASK, MPSK,Random Processes, Probability density function, Gaussian density function, Frequency domain representation of noise, Spectral components of noise, Noise bandwidth, Properties of noise, Noise Performance Analysis of digital modulation schemes. Information Theory, Concept of information, Coding to increase average information per bit, Shannons theorem, Capacity of Gaussian Channel, Bandwidth-S/N tradeoff. Discrete memory-less channel capacity. Error correcting codes, Block codes, Cyclic redundancy check, Coding gain, Bit error rate calculations.