Scribd
Upload
308 views1 page

Data Communications

1) This document provides information about the course "Data Communications" offered at the School of Information Technology and Engineering. 2) The course covers topics such as analog and digital data transmission, synchronous and asynchronous transmission, and encoding schemes over 4 units. 3) The objectives are to learn about analog and digital data transmission, synchronous and asynchronous data transmission, and encoding schemes.

Uploaded by

rockin_ravi_vit
Copyright
© Attribution Non-Commercial (BY-NC)
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
308 views1 page

Data Communications

1) This document provides information about the course "Data Communications" offered at the School of Information Technology and Engineering. 2) The course covers topics such as analog and digital data transmission, synchronous and asynchronous transmission, and encoding schemes over 4 units. 3) The objectives are to learn about analog and digital data transmission, synchronous and asynchronous data transmission, and encoding schemes.

Uploaded by

rockin_ravi_vit
Copyright
© Attribution Non-Commercial (BY-NC)
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
You are on page 1/ 1

School of Information Technology and Engineering

Common to ALL Batches


B.Tech (IT) – IV Semester
Course Code: IT209
Course Title: Data Communications
Data Communications L T P C
3 0 0 3
Prerequisite ---
Objectives • To learn analog and digital data transmission
• To understand synchronous and asynchronous data transmission
• To gain knowledge on encoding schemes
Outcomes Understanding how analog and digital data are transmitted and secured
Unit 1 Introduction 9
Data communication - Key elements of communication model - Effectiveness of
data communication dependents – Components - Classification of communication
networks - OSI layers - Protocols in OSI reference model - TCP/IP protocol
architecture
Unit 2 Analog and Digital Transmission 9
Transmission terminologies: Frequency, spectrum, and bandwidth - Frequency-
domain concepts – Spectrum - Analog and digital data transmission: Transmission,
Attenuation and Distortion – Transmission delay and noise – Channel capacity
Unit 3 Transmission Media 9
Guided media: Open wire, Twisted pair, Optical fiber - Unguided transmission
media: Ground wave propagation, Line of sight propagation – Radio and
microwave frequencies - Satellites
Unit 4 Synchronous and Asynchronous Transmissions 9
Parallel and Serial Transmission - Synchronous transmission: Bit synchronization,
Character synchronization - Asynchronous transmission: Asynchronous start-stop
systems – Line configuration - Point-to-point configuration – Multi-point link -
Modes of transmission - Interface Standards: EIA-232, V.24/EIA-232, and ISDN
Unit 5 Encoding Schemes 9
Digital-to-digital encoding scheme: Unipolar, Polar, Non-return-to-zero (NRZ),
Non-return-to-
zero-level (NRZ-L), Non-return-to-zero-inverted (NRZ-I), Return-to-zero, Biphase:
Manchester, Differential Manchester, Bipolar, BAMI, Bipolar 8-Zeroes Substitution
(B8ZS), High-density-bipolar-3 zeros (HDB3); Analog–to–digital encoding scheme:
PCM (Pulse Code Modulation), Delta Modulation (DM) Analog-to-analog encoding
scheme: AM, FM, PM
Digital-to-analog encoding scheme: ASK, FSK, PSK, Spread spectrum
Text Books Behrouz A Forouzan, Data Communications and Networking, Tata Mc-Grawhill,
2007
References 1. W. Stallings, Data and Computer Communications, Prentice-Hall, 2005
2. Simon Haykins, Digital Communications, John Wiley, 1988
3. John G. Proakis, Digital Communications, McGraw-Hill Inc, 3e, 1995
4. M.K. Simen, Digital Communication Techniques - Signal Design and Detection,
PHI
MoE Continuous Assessment Test, Quiz, Assignment, Seminar, and TEE

You might also like