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Course Co-ordinated by IIT Kharagpur
Prof. Suvra Sekhar Das
IIT Kharagpur


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The course Modern Digital Communication Techniques in taught in IIT Kharagpur as a 4 credit (4 hrs / week) core subject in the Masters program of Telecommunications systems engineering in the department of Electronics and Electrical Communication Engineering. It is taken in the first semester by master degree students, PhD students and Masters by research students. It is also taken as elective by final year UG students. It is also taken as a core subject by Dual degree students who specialize in the field of communication engineering. Digital communications has had one of the most profound influences in the development of the mankind. It is behind the success of today‚€TMs networked society. The objective of this course is to present the engineering principles, theories and practices, which are necessary for successful design of a digital communication system. The course will delve into the design principles of transmitter and receiver so as to establish a reliable communication link. This course aims at enabling the participants to establish unambiguous mathematical statements describing every step of transmitting and receiving a signal through a communication link. It aims at exposing the details of noise, its modeling and its effect on communication systems design. It will cover methods of performance analysis of digital communication systems. Through use of fundamental knowledge developed in related areas of signal processing, the course aims at presenting a unified way of analyzing and designing a digital communication system. It will encompass central aspects of estimation and detection theory, which are crucial in designing a complete receiver (synchronization, channel equalization, etc.). At the end of the course, the participant will be equipped with methods of systematic representation, analysis and design of a digital communication system which are essential in designing communication systems with complex and futuristic requirements.




Introduction to digital communication systems: Layered view of communications


Source Coding


Characterization of Communication Signals & Systems


Signal space Representation


Representation of Memory less Modulation Methods


Nonlinear modulation methods


Optimal receivers of AWGN


Receiver for non-ideal channel


Probability of error of different modulation schemes


Fundamentals of estimation and detection theory used in digital communication


Carrier phase and symbol timing synchronization techniques


Channel estimation and equalization techniques, Power Adaptation methods for colored noise channel

Digital Communications by John G. Proakis, Digital Communications by Bernard Sklar, Digital Communications by Robert Gallager, Digital Communications by Simon Haykin,



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