Course Content of 6ET3 Digital communication
3 likes283 views
The document outlines the course content and objectives for a Digital Communication course led by Dr. S. M. Gulhane at Sant Gadge Baba Amravati University, detailing essential topics such as information theory, digital modulation techniques, baseband transmission, error control coding, and multiple access schemes. Students will learn the foundational elements of digital communication systems and develop skills in analyzing and implementing various communication techniques. The document also includes textbook and reference book recommendations for further study.
Course Content of 6ET3 Digital communication
- 1. Digital Communication Dr. S. M. Gulhane Professor & Head, Dept. of Electronics & Telecommunication Engineering, Jawaharlal Darda Institute of Engineering & Technology, Yavatmal Sant Gadge Baba Amravati University, Maharashtra, India Course Content: 6ET3 DIGITAL COMMUNICATION: B.E. VIth Sem 1 1 0 0 1 1 0 1 1 0 0 0 1 Course Content
- 2. Course Objectives : 1. To study basic building blocks of digital communication system. 2. To learn information theory and theoretical bounds on the data rates of digital communication. 3. To understand and analyze communication channel. 4. To study and analyze different digital modulation techniques. 5. To study baseband transmission of the signal. 6. To understand importance of channel encoding and decoding in digital communication. 7. To study multiple access schemes and spread spectrum communication system. 6ET3 DIGITAL COMMUNICATION The presentation is as per the syllabus of the subject 6ET3 ”Digital Communication” of B.E. VIth Semester of Sant Gadge Baba Amravati University, Maharashtra, India
- 3. Course Outcomes : Upon successful completion of this course, the student will be able to: 1. Understand basic building blocks of digital communication system and formatting of digital signal. 2. Understand concepts of information theory and analyze information transmission over communication channel. 3. Analyze performance of different digital modulation techniques. 4. Understand methods to mitigate inter symbol interference in baseband transmission system. 5. Implement different error control coding schemes for the reliable transmission. 6. Understand various multiple access schemes and spreading techniques. 6ET3 DIGITAL COMMUNICATION Dr. S.M.Gulhane JDIET,Yavatmal
- 4. 6ET3 DIGITAL COMMUNICATION Unit 1:- Introduction to Digital Communication System (8) • Functional Blocks of Digital Communication System; Source Encoder and Decoder, Channel Encoder and Decoder, Modulator and Demodulator • Line Coding:- Need for Line coding, Properties of Line Coding, Unipolar RZ and NRZ, Polar RZ and NRZ, Bipolar NRZ (AMI), Split Phase Manchester Coding, Polar Quaternary NRZ Coding, HDB3 Coding, • Scrambler and Unscrambler Unit 2:- Information Theory (10) • Measure of Information, Entropy and Information Rate of Long Independent and Dependent Sequences, Markoff Statistical Model for Information Sources, Entropy and Information rate of Markoff Sources. • Source Encoding: Huffman Encoding, Shannon’s Encoding Algorithm, Shannon-Fano Algorithm.
- 5. 6ET3 DIGITAL COMMUNICATION • Discrete Communication Channel: Noiseless Channel, Deterministic Channel, Binary Symmetric Channel, Rate of Information Transfer over Discrete Channel, Capacity of Discrete Memoryless Channel. • Continuous Channel: Shannon Hartley Theorem for channel capacity, Signal to Noise Ratio –Bandwidth Tradeoff. Unit3: Bandpass Modulation and Demodulation techniques (10) • BPSK, BFSK, ASK and DPSK generation and reception, Signal space diagram, PSD and Bandwidth of BPSK and BFSK systems, QPSK and MSK Transmitter and Receiver, Signal space diagram, PSD and Bandwidth of QPSK and MSK, Probability of Error of ASK, BPSK and BFSK systems, Comparison of Digital modulation systems. • Coherent Detection: Integrate and Dump Filter (SNR and Probability of Error), Optimum Filter (Transfer function and Probability of Error), Matched Filter (Impulse response and Probability of Error).
- 6. 6ET3 DIGITAL COMMUNICATION Unit 4:- Base Band Transmission (8) • Base Band Binary PAM systems, Inter Symbol Interference, Base Band Pulse Shaping and Nyquist Criterion, Eye Diagram Correlative Coding: Duobinary Encoder with Pre-coder, Modified Duobinary Encoder, Modified Duobinary Encoder with Pre-coder • Equalization: Need for equalization, Transversal Equalizer (Problems Expected), Preset Equalizer, Adaptive Equalizer, • Clock and Carrier Synchronization. Unit 5:- Error Control Coding (10) • Introduction to Error Control Coding, Types of Errors, Methods of Controlling Errors, • Linear Block Codes: Matrix Description of Linear Block codes, Hamming Distance, Hamming Weight, Minimum Hamming Distance, Hamming Codes, Encoder for Linear Block code, Syndrome Decoding, Syndrome Decoder for (n,k) Linear Block Code, Error Detection and Correction capability of Linear Block Codes (Derivation Expected)
- 7. 6ET3 DIGITAL COMMUNICATION • Cyclic Codes: Properties of Cyclic Codes, Systematic and Non- Systematic generator Matrix, Parity Check Matrices for Cyclic Codes, Encoders for Cyclic Codes, Syndrome Decoding for Cyclic Codes. • Convolution Codes: Time Domain Approach and Transform domain approach for convolution code generation, Code Tree and Code Trellis for Convolution code. Unit 6:- Multiple Access Schemes and Spread Spectrum Comm. (6) • Multiple Access schemes: Time Division Multiple Access, Frequency Division Multiple Access, Code Division Multiple Access; Space Division Multiple Access. • Spread Spectrum Systems: Notion of Spread Spectrum, PN Sequence Generation (Problems Expected), Direct Sequence Spread Spectrum (DSSS), Jamming Margin, Processing Gain, Eb/No Ratio, Frequency Hopped Spread Spectrum, Slow and Fast frequency Hopping.
- 8. 6ET3 DIGITAL COMMUNICATION TEXT BOOKS: 1. Shanmugam K.S. :”Digital & Analog Communication Systems”, John Wiley & Sons, New York, 1996. 2. Lathi B. P. :”Modern Digital and Communication Systems”, Holt Rinchart and Winston Inc., New York, 1993. 3. Simon Haykin : “Digital Communication” , John Wiley and Sons, Pvt. Ltd., Singapore. REFERENCE BOOKS : 1. Proakis J. K. :”Digital Communication”, Mc-Graw Hill Book Co., London (Second Edition) 2. Taub, Herbert, Schilling D.L : “Principles of Communication Systems”, Mc- Graw Hill International Book Co., Tokyo. 3. W.C.Y. Lee : “Mobile Cellular Telecommunications Systems”, Mc- Graw Hill International Editions, 1990 4. Glover and Grant : “Digital Communication”, Prentice Hall Publication.