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EC8501 Question Bank Digital Communication Regulation 2017 Anna University

EC8501 Question Bank Digital Communication

EC8501 Question Bank Digital Communication Regulation 2017 Anna University free download. Digital Communication Question Bank EC8501 pdf free download.

Sample EC8501 Question Bank Digital Communication

The source of information A generates the symbols {A0, A1, A2, A3& A4} with the corresponding probabilities {0.4, 0.3, 0.15, 0.1 and 0.05}. Evaluate the code for source symbols using Huffman and Shannon-Fano encoder and compare its efficiency.

Draw the block diagram of Digital Communication system and Construct each of it’s components. EC8501 Question Bank Digital Communication

Propose the following with suitable diagrams and equations.
(i) Discrete memoryless source
(ii) Discrete memoryless channel

The source of information A generates the symbols {A0, A1, A2, A3 , A4 , A5} with the corresponding probabilities {0.45, 0.41, 0.4, 0.3 , 0.29 and 0.05}. Evaluate the code for source symbols using Huffman and Shannon-Fano encoder and compare its efficiency. EC8501 Question Bank Digital Communication

(i) Evaluate the structure of linear predictor.
(ii) Assess the process of prediction error.

(i) Summarize adaptive delta modulator with continuously variable step size and explain with block diagram. EC8501 Question Bank Digital Communication
(ii) Explain the difference between PCM systems and delta modulation systems.

(i) How would you explain delta modulation and its quantization error?
(ii) Explain how adaptive delta modulation performs better than gains more SNR than delta modulation. EC8501 Question Bank Digital Communication

Describe delta modulation system in detail with a neat block diagram. Also illustrate two forms of quantization error in delta modulation.

Subject name Digital Communication
Short Name DC
Semester 5
Subject Code EC8501
Regulation 2017 regulation

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