JNTUK R20 B.Tech ECE 3-1 Digital Communications Material/ Notes PDF Download

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JNTUK R20 B.Tech ECE 3-1 Digital Communications Material/ Notes PDF Download: Looking for study The JNTUK R20 B.Tech ECE 3-1 Digital Communications Material. You’re in luck! Our resources cover everything you need to know about digital communications in a simple and easy-to-understand format. Learn about pulse digital modulation systems like PCM, DPCM, and DM, and explore different digital modulation techniques while analyzing their performance in terms of error probability. Understand the basics of information theory and why source coding is essential.

Additionally, study error-correcting codes such as block codes, cyclic codes, and convolutional codes to enhance your understanding of designing reliable communication systems. Access our JNTUK R20 B.Tech ECE 3-1 Digital Communications Notes for a smooth learning experience, and download the material in PDF format for convenient studying. Start mastering digital communications today with our user-friendly resources!

JNTUK R20 B.Tech ECE 3-1 Digital Communications Material – Units

Unit 1 Syllabus PDF Download | JNTUK R20 B.Tech ECE DC Material

Pulse Digital Modulation: Elements of digital communication systems, advantages of digital communication systems, Elements of PCM: Sampling, Quantization & Coding, Quantization error, Companding in PCM systems. Differential PCM systems(DPCM). Delta modulation, its drawbacks, adaptive delta modulation, comparison of PCM and DM systems, noise in PCM and DM systems.

Unit 2 Syllabus PDF Download | JNTUK R20 B.Tech ECE DC Material

Digital Modulation Techniques: Introduction, ASK, FSK, PSK, DPSK, DEPSK, QPSK, M-ary PSK, ASK, FSK, similarity of BFSK and BPSK.

Unit 3 Syllabus PDF Download | JNTUK R20 B.Tech ECE DC Material

Data Transmission: Base band signal receiver, probability of error, the optimum filter, matched filter, probability of error using a matched filter, coherent reception, non-coherent detection of FSK, calculation of error probability of ASK, BPSK, BFSK, QPSK.

Unit 4 Syllabus PDF Download | JNTUK R20 B.Tech ECE DC Material

Information Theory: Discrete messages, the concept of the amount of information and its properties. Average information, Entropy, and its properties. Information rate, Mutual information, and its properties.

Source Coding: Introductions, Advantages, Shannon’s theorem, Shanon-Fano coding, Huffman coding, efficiency calculations, channel capacity of discrete and analog Channels, capacity of a Gaussian channel, bandwidth –S/N trade-off.

Unit 5 Syllabus PDF Download | JNTUK R20 B.Tech ECE DC Material

Linear Block Codes: Introduction, Matrix description of Linear Block codes, Error detection and error correction capabilities of Linear block codes, Hamming codes, Binary cyclic codes, Algebraic structure, encoding, syndrome calculation, BCH Codes.

Convolution Codes: Introduction, encoding of convolution codes, time domain approach, transform domain approach. Graphical approach: state, tree, and trellis diagram decoding using the Viterbi algorithm.

JNTUK R20 B.Tech Digital Communications Material – Outcomes

• Assess digital communication system performance by analyzing error probabilities and designing effective systems.
• Explore diverse source coding techniques to optimize data transmission efficiency.
• Compute and analyze block, cyclic, and convolutional codes for error detection and correction.
• Design resilient coded communication systems leveraging insights from code analysis.
• Implement efficient coding and error-correction techniques to enhance communication quality and reliability.

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