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Department: Electrical Electonics and Communication Engineering EEE ECE

Digital Communication - EC8501, EC6501

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Digital Communication

EC6501 Digital Communication - Anna University 2013 Regulation Syllabus - Download Pdf
EC8501 Digital Communication - Anna University 2017 Regulation Syllabus - Download Pdf
Digital Communication - Question Bank - Download Pdf
Digital Communication - Important Questions - Download Pdf
Digital Communication - Notes 2 - Download Pdf
Digital Communication - Notes - Download Pdf
Digital Communication - Notes 1 - Download Pdf
Digital Communication - EC6501 May June 2017 Question Paper
Digital Communication - EC6501 May June 2018 Question Paper
Digital Communication - EC6501 Nov Dec 2016 Question Paper
Digital Communication - EC6501 Nov Dec 2017 Question Paper
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EC8501 Regulation 2017 Digital Communication

UNIT I INFORMATION THEORY


-:- Information Theory
-:- Entropy
-:- Discrete Memory less Channel
-:- Channel Coding Theorem
-:- Source Coding
-:- Shannon-Fano Coding
-:- Huffman Coding
-:- Shannon-Hartley Theorem
-:- Important Questions and Answers: Information Theory

UNIT II WAVEFORM CODING AND REPRESENTATION


-:- Linear Predictive Coding
-:- Differential Pulse Code Modulation (DPCM)
-:- Delta Modulation (DM)
-:- Adaptive Delta Modulation
-:- Important Short Questions and Answers: Waveform Coding

UNIT IIII BASEBAND TRANSMISSION AND RECEPTION


-:- Properties of Line Codes
-:- Power spectral density of unipolar NRZ line code
-:- Manchester encoding
-:- Nyquist Criterion for Zero-ISI
-:- Inter symbol Interference
-:- Eye Pattern
-:- Equalising Filter
-:- Important Short Questions and Answers: Baseband Transmission

UNIT IV DIGITAL MODULATION SCHEME


-:- Geometric representation of Signals
-:- Generation and Coherent Detection of BPSK Signals
-:- Power Spectrum or BPSK Modulated Signal
-:- Frequency Shit Keying Modulation
-:- Quadrature Phase Shift Keying (QPSK)
-:- QAM(Quadrature Amplitude Modulation)
-:- Important Short Questions and Answers: Digital Modulation Scheme

UNIT V ERROR CONTROL CODING


-:- Linear block and Hamming codes
-:- Convolutional codes
-:- Vitterbi Decoding Algorithm
-:- Important Short Questions and Answers: Error Control Coding

EC6501 Regulation 2013 Digital Communication

UNIT I SAMPLING and QUANTIZATION


-:- Sampling theorem for Low pass signals
-:- Aliasing and signal reconstruction
-:- Quantization
-:- Types of Quantizers: Uniform and Non uniform quantization
-:- Quantization Noise and Signal-to-Noise
-:- Companding of Speech signal
-:- Advantages of Non Uniform Quantization
-:- Pulse code Modulation(PCM)
-:- Time-Division Multiplexing (TDM)
-:- Important Short Questions and Answers: Sampling & Quantization

UNIT II WAVEFORM CODING


-:- Linear Predictive Coding
-:- Differential Pulse Code Modulation (DPCM)
-:- Delta Modulation (DM)
-:- Adaptive Delta Modulation
-:- Important Short Questions and Answers: Waveform Coding

UNIT III BASEBAND TRANSMISSION


-:- Properties of Line Codes
-:- Power spectral density of unipolar NRZ line code
-:- Manchester encoding
-:- Nyquist Criterion for Zero-ISI
-:- Inter symbol Interference
-:- Eye Pattern
-:- Equalising Filter
-:- Important Short Questions and Answers: Baseband Transmission

UNIT IV DIGITAL MODULATION SCHEME


-:- Geometric representation of Signals
-:- Generation and Coherent Detection of BPSK Signals
-:- Power Spectrum or BPSK Modulated Signal
-:- Frequency Shit Keying Modulation
-:- Quadrature Phase Shift Keying (QPSK)
-:- QAM(Quadrature Amplitude Modulation)
-:- Important Short Questions and Answers: Digital Modulation Scheme

UNIT V ERROR CONTROL CODING


-:- Linear block and Hamming codes
-:- Convolutional codes
-:- Vitterbi Decoding Algorithm
-:- Important Short Questions and Answers: Error Control Coding