JNTUK R19 B.Tech ECE 3-1 Digital Communications Material/ Notes PDF Download

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JNTUK R19 B.Tech ECE 3-1 Digital Communications Material/ Notes PDF Download: For B.Tech ECE students at JNTUK R19 3-1, having access to Digital Communications material is vital for understanding modern communication systems. The JNTUK R19 B.Tech ECE 3-1 Digital Communications Material covers a variety of topics, including pulse digital modulation systems like PCM, DPCM, and DM, providing a foundation in digital signal processing. Students also learn about different digital modulation techniques and how to assess their performance, considering factors like error probability. Additionally, they study information theory and the importance of source coding for efficient data transmission.

Furthermore, students explore error detection and correction methods through Block codes, cyclic codes, and convolution codes. Accessing JNTUK R19 B.Tech ECE 3-1 Digital Communications Notes in PDF format makes learning and revising easier, ensuring students are well-equipped for success in their academic and professional endeavors in digital communication.

JNTUK R19 B.Tech ECE 3-1 Digital Communications Material – Units

Unit 1 Syllabus PDF Download | JNTUK R19 B.Tech ECE Digital Communications 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 R19 B.Tech ECE Digital Communications 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 R19 B.Tech ECE Digital Communications 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 R19 B.Tech ECE Digital Communications 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 R19 B.Tech ECE Digital Communications 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 R19 B.Tech Digital Communications Material – Outcomes

• Evaluate the performance of a Digital Communication System by assessing the probability of error, ensuring reliable data transmission.
• Explore and analyze different source coding techniques, optimizing data compression and transmission efficiency.
• Calculate and analyze Block codes, cyclic codes, and convolution codes to enhance error detection and correction capabilities in digital communication.
• Utilize insights from analysis to design a coded communication system that meets specific performance and reliability requirements.
• Apply learning principles to develop efficient and robust digital communication systems, ensuring seamless data transmission and reception.

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