6EX6.3-DIGITAL COMMUNICATION AND INFORMATION THEORY |
Units: I-PCM & DELTA Modulation Systems: |
PCM and delta modulation, quantization
noise in PCM and delta modulation. Signal-to-noise ratio in PCM and delta modulation, T1
Carrier System, Comparison of PCM and DM. Adaptive delta Modulation. Bit, word and
frame synchronization, Matched filter detection.
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Units: II-Digital Modulation Techniques: |
Various techniques of phase shift, amplitude shift
and frequency shift keying. Minimum shift keying. Modulation & Demodulation. |
Units: III-Information Theory: |
Error Probability in Digital Modulation: Calculation of error probabilities for PSK,
ASK, FSK & MSK techniques.
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Units: IV-Solution of State Equations: |
Amount of Information, Average Information, Entropy,
Information rate, Increase in Average information per bit by coding, Shannon's Theorem
and Shannon's bound, Capacity of a Gaussian Channel, BW-S/N trade off, Orthogonal
signal transmission.
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Units: V-Coding |
Coding of Information, Hamming code, Single Parity-Bit Code, Linear
Block code, cyclic code & convolutional code
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