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Course Information

About this Course

The transmission of information from the sender to the recipient through some medium is called as communication. Communication enables us to know what is happening around us. It helps us to share our knowledge with others and also gain from other individual’s thoughts and ideas. Communication takes place through various routes and channels and with the help of a medium. A person can chat with his distant relative over the phone and thus the medium of communication in this case is the telephone. Communication can also take place with the help of light. The airport officials give various signals through light to the pilots for their safe landing. In this case communication is through light and hence is termed as Optical communication. Satellites also play a vital role in communication by receiving signals from the earth station, amplifying it and then resending it back to the earth. Communication can take place with the aid of an artificial satellite between two points on the earth. In the same way signal can also be sent in a digitalized form as in case of Digital communication.

Course Syllabus

1. Digital Communications Overview
Sources and sinks of information, digital
communications equipment, signal transmission and advantages and disadvantages of digital communications.

2. Digital Transmission and Digital Modulation
PCM generation and reconstruction. Delta modulation and comparison between DM and PCM, Digital multiplexing FDM and TDM, Digital Modulation PSK,BPSK, QPSK and QAM

3. Information theory and source coding
Information, entrophy and source information rate. Channel capacity of discrete and continous channels.

4. Error control coding
Error detection and its application. Linear and non-linear codes
encoders and decorders

5. Digital Filter Structure
Simple Z-Transform, Region of Convergence, Properties of Z-Transform, Inverse Z-Transform, Linear Convolution, Impulse Response and FIR and IIR System

Frequently Asked Questions

Q1 : Do I need the basic knowledge of this course
A1 : Probably not