ECT284

DIGITAL COMMUNICATION

(S4 Minor)

SYLLABUS

MODULE 1: Linear Source Coding

Elements of digital communication system. Sources, channels and receivers. Classification of communication channels. Discrete sources. Source coding techniques. Waveform coding methods. Sampling theorem. Sampling and reconstruction. Pulse code modulation. Sampling, quantization and encoding. Different quantizers. A-law and mu-law quantization. Practical 15 level mu and A law encoding.

STUDY MATERIALS Module 1 PPT : drive.google.com/file/d/1xkfYFtB2j0-rP9rNUC2V3GwuYyNWuU4P/view?usp=sharing

MODULE 2 : Nonlinear Source Coding

Differential PCM, adaptive PCM, Delta modulator and adaptive delta modulator. Issues in delta modulation. Slope overload.

STUDY MATERIALS Module 2 PPT : drive.google.com/file/d/19QWXbAoBZ9264E1Qfb1rrsVWo-EF1lG-/view?usp=sharing

MODULE 3: Signaling Codes in Telephony

Signalling codes in digital telephony. T1 signalling system. AMI and Manchester codes. Binary N- zero substitution, B3ZS code, B6ZS code.

The video explains Unipolar NRZ and RZ coding with example

The video explains Polar NRZ and RZ coding with example

The video explains AMI coding and Manchester coding (IMP TOPIC) with example

STUDY MATERIALS Module 3 PPT : drive.google.com/file/d/1GF-E82t9S3M1ktRSdweimCpv2-ri5gl6/view?usp=sharing

MODULE 4: Digital Modulation Schemes

Digital modulation schemes. Baseband BPSK system and the signal constellation. BPSK transmitter and receiver. Base band QPSK system and Signal constellations. Plots of BER Vs SNR (Analysis not required). QPSK transmitter and receiver. Quadrature amplitude modulation.

STUDY MATERIALS Module 4 PPT : drive.google.com/file/d/13VXAPwem60fx5ji5LX2dC0yD5bg0fs6u/view?usp=sharing

MODULE 5: Channel Coding and Receivers

Transmission through AWGN Channel. Capacity of an AWGN channel. Receivers. Correlation and matched filter receiver. Channel coding schemes. Repetition code. Block codes Cyclic codes.

STUDY MATERIALS Module 5 notes drive.google.com/file/d/183IzD6xz_UDp_fExgT-aUC-xPbewABhW/view?usp=sharing

BLOCK CODES , Generator matrix, encoder diagram :drive.google.com/file/d/19Wv2lCeqzyrTQ0GkA1I9z_nny2Wgxbty/view?usp=sharing

Parity check, decoding problem : drive.google.com/file/d/1YfSq8BBQVF23lvVgrKPlHtV9r4n0O8SR/view?usp=sharing

Text Books

1. Simon Haykin, “Communication Systems”, Wiley.

2. Sklar, “Digital Communications: Fundamentals and Applications”, Pearson.

HANDWRITTEN NOTES

MODULE 1 NOTES :drive.google.com/file/d/1Jug-qaMq6Hp6QbLjGKBeJxnKBaateAPp/view?usp=sharing

MODULE 2 NOTES :drive.google.com/file/d/14hcKe5v1b4J1eY5O62gW5_a8T6p-8Mfv/view?usp=sharing

MODULE 3 NOTES : drive.google.com/file/d/1yloeKX9RYYOzjTmg8npEDjvYQzCTpDFl/view?usp=sharing

MODULE 5 .1 NOTES : drive.google.com/file/d/183IzD6xz_UDp_fExgT-aUC-xPbewABhW/view?usp=sharing

MODULE 5 .2 NOTES : drive.google.com/file/d/19Wv2lCeqzyrTQ0GkA1I9z_nny2Wgxbty/view?usp=sharing

MODULE 5 .3 NOTES : drive.google.com/file/d/1YfSq8BBQVF23lvVgrKPlHtV9r4n0O8SR/view?usp=sharing

SYLLABUS & MODEL QUESTION KTU PDF DOWNLOAD: drive.google.com/file/d/1Vgx7lOMU9lw-8dQDKQQwsPcSYFJZtaJL/view?usp=sharing

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