JNTUH B.Tech 3rd Year 2 sem Electronics and Communication Engineering R13 (3-2) Digital Communications R13 syllabus.

JNTUH B.Tech 3rd year (3-2) Digital Communications gives you detail information of Digital Communications R13 syllabus It will be help full to understand you complete curriculum of the year.

Course Objectives

• To understand different digital modulation techn iques such as PCM, DM and various shift keying techniques.

• Understand the concepts of different digital modution codes like block codes, cyclic codes and convolulation techniques. To study about different error detecting and error correcting codes 

To study the advantages of  spread spectrum techniques and performance of spread spectrum, PN codes in jamming, noise etc.

UNIT -I

• Elements of Digital Communication Systems Advantages of Digital Communication Systems, Bandwidth-S/N Tradeoff, Hartley Shanon Law and Sampling Theorem.
• Pulse Code Modulation PCM Generation and Reconstruction, Quantization Noise, Non Uniform Quantization  DM and Adaptive DM, Noise in PCM and DM.

UNIT -II

Digital Modulation Techniques

Introduction, ASK,ASK Modulator, Coherent ASK Detector, Non-Coherent ASK Detector, FSK, Bandwidth and Frequency Spectrum FSK, Non Coherent FSK Det ect or, Coherent FSK Detector, FSK Detection using PLL, BPSK, Coherent PSK Detection, QPSK , Differential PSK.

UNIT -III

• Baseband Transmission and optimal Reception of Digital Signal  Pulse Shaping for Optimum Transmissions, A Baseband Signal Receiver, Probability of Error, Optimum Receiver, Optimal of Coherent Reception,Signal Space Representation and Probability of Error and Eye Diagrams for ASK, PSK, FSK, Cross Talk.
• Information Theory Information and entropy, conditional entropy and redundancy, Shannon Fanocoding, Mutual Information, Information loss due to noise, source coding — Huffman Code, variable length coding, Source coding to Increase average Information per bit, Lossy source coding.
• Linear Block Codes Matrix Description of Linear Block codes, Error Detection and Error Correction Capabilities of Linear I flock Codes.
• Cyclic Codes  Algebraic Structure, Encoding, Syndrome Calculation, Decoding.
• Convolution Codes Encoding, Decoding using State, tree and trellis Diagrams, Decoding using Viterbi Algorithm.  comparison of error rated in  Coded and Uncoded Transmission.

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TEXT BOOKS

• Principles of Communication Systems Herbert Taub, Donald I  Schiling, Goutam Saha, 3rd Edition, Mcgraw- Hill, 2008
• Digital and Analog Communication Systems – Sam Shanmugani John Wiley, 2005
• Digital Communications – John G.Proakis , Masoud Salehi – 511 Edition, Mcgraw-Hill, 2008.

REFERENCE BOOKS

• Digital Communication – Simon Haykin, John Wiley, 2005.
• Digital Communications – Ian A. Glover, Peter M. Grant, 2nd Edition^,Pearson Edu., 2008.
• Communication Systems – B.P. Lathi, BS Publication, 2006.
• A First course in Digital Communications -Nguyen, Shewedyll Cambride.
• Digital Communication- Theory, Techniques , and Applications Mutagi, 2nd Ed. 2013.

Course Outcomes

At the end of the course, the student will be able to

• Understand basic components of digital communication systems
• Design optimum receivers for digital modulation techniques.
• Analyse the error performance of digital modulation techniques^.
• Know about different error detecting and error correcting codes like. block codes, cyclic codes and convolution codes.
• Understand the advantages of spread spectrum techniques mid performance of spread spectrum, PN codes in jamming, noise ok.

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