Communication Theory [ECE Department]

Communication Theory [ECE Department]

Communication Theory

UNIT I : AMPLITUDE MODULATION

1. Amplitude Modulation
2. AM Transmitters
3. SSB Transmission
4. Vestigial Side Band (VSB) Modulation
5. Double-sideband suppressed-carrier transmission (DSB-SC)
6. Hilbert Transform
7. Superheterodyne Receiver
8. Amplitude Modulation: Application & Uses
9. Important Short Questions and Answers: Amplitude Modulation

UNIT II : ANGLE MODULATION

1. Frequency & Phase Modulation
2. Phase Modulation
3. Narrow Band FM Modulation
4. Wide-Band FM
5. FM Transmitter
6. Angle Modulation: Application and Uses
7. Important Short Questions and Answers: Angle Modulation

UNIT III : RANDOM PROCESS

1. Random Variables
2. Central Limit Theorem
3. Stationary Process
4. Correlation
5. Covariance Functions
6. Ergodic Process
7. Guassian Processs
8. Linear Filtering of Random Processes
9. Application of Random Process
10. Important Short Questions and Answers: Communication Theory - Random Process

UNIT IV : NOISE CHARACTERIZATION

1. Noise Characterisation
2. Analysis of Noise In Communication Systems
3. Classification of Noise
4. Noise in Cascade Systems
5. Narrow Band Noise
6. FM Capture Effect
7. Pre-Emphasis & De-Emphasis
8. FM Threshold Effect
9. Important Short Questions and Answers: Noise Characterisation

UNIT V : SAMPLING AND QUANTIZATION

1. Sampling theorem for Low pass signals
2. Aliasing and signal reconstruction
3. Quantization
4. Types of Quantizers: Uniform and Non uniform quantization
5. Quantization Noise and Signal-to-Noise
6. Companding of Speech signal
7. Advantages of Non Uniform Quantization
8. Pulse code Modulation(PCM)
9. Time-Division Multiplexing (TDM)
10. Important Short Questions and Answers: Sampling & Quantization

INFORMATION THEORY

1. Information Theory
2. Entropy
3. Discrete Memory less Channel
4. Channel Coding Theorem
5. Source Coding
6. Shannon-Fano Coding
7. Huffman Coding
8. Shannon-Hartley Theorem
9. Important Questions and Answers: Information Theory