Introduction to Communication Systems: Modulation – Types – Need for Modulation. Theory of Amplitude Modulation – AM, DSBSC, SSBSC, VSB, Comparison of various Analog Communication System (AM – FM – PM). Pulse Modulation (PPM) – Comparison of various Pulse Communication System (PAM – PTM – PPM). FDM-TDM. PRACTICAL: Communication: Pulse Amplitude Modulation (PAM) – Pulse Time Modulation (PTM) – Pulse Position Pulse Modulation Techniques, TDM.

Introduction to Radio Communication - Radio Transmitters - Receiver types - AM receivers – FM receivers - SSB Receivers-VSB Receiver, Super heterodyne receiver. PRACTICAL: AM Modulation and Demodulation. FM Modulation and Demodulation.

Block diagram of Digital communication, Low pass Sampling, Quantization- Types. Baseband Transmission: Properties of Line codes- Power Spectral Density of Line codes –ISI- Nyquist criterion for distortion less transmission – Correlative coding – Eye pattern – Equalization- Linear equalization, Decision -feedback equalization, Adaptive linear equalizer. PRACTICAL: Signal Sampling and reconstruction Line coding techniques

THEORY Modulation techniques - Amplitude Shift Keying (ASK) – Frequency Shift Keying (FSK)- Minimum Shift Keying (MSK) –Phase Shift Keying (PSK) – BPSK – QPSK –Quadrature Amplitude Modulation (QAM)– Bandwidth Efficiency. PRACTICAL :Digital Modulation Schemes (FSK, ASK, PSK and QPSK )[Hardware and Simulation].

THEORY Entropy, Source Encoding Theorem - Shannon Fanon Coding - Huffman Coding, Mutual Information - Channel Capacity, Channel Coding Theorem, Error Control Coding - Linear Block Codes - Cyclic Codes - Convolution Codes. PRACTICAL :Simulation of Linear Block and Cyclic error control coding Schemes Simulation of Convolution coding scheme