Course code

Course Name

L-T-P

Credits

Year of Introduction

IT203

Data Communication

3-0-0

3

2016

Prerequisite : Nil

Course Objectives

·  Build an understanding of the fundamental concepts of data transmission.

·  Familiarize the student with the basics of encoding of analog and digital data

·  Preparing the student for understanding advanced courses in computer networking

Syllabus

Communication model-. Time Domain and Frequency Domain concepts– Transmission Impairments- Channel capacity- Transmission media- Synchronous and Asynchronous transmission. Sampling theorem – Encoding digital data into digital signal- Encoding analog data into digital signals– Encoding analog data into analog signals- Multiplexing- Spread spectrum -Purpose of encoding- Construction of basic source codes:- Error Detecting and correcting codes-encoding and decoding of codes -Basic principles of switching – circuit switching, packet switching, message switching. – Basics of wireless communication

Expected Outcome

After the successful completion of the course students will be able to

·  Explain Data Communications concepts and its components.

·  Identify the different types of Transmission media and their functions within a network.

·  Independently understand encoding, decoding , error correction and error detection in data communication

·  To understand switching principles and basics of wireless communication

References

1.        Stallings W., Data and Computer Communications, 8/e, Prentice Hall, 2007.

2.        Forouzan B. A., Data Communications and Networking, 4/e, Tata McGraw Hill, 2007. 9

3.        Tanenbaum A. S and D. Wetherall, Computer Networks, Pearson Education, 2013.

4.        Schiller J., Mobile Communications, 2/e, Pearson Education, 2009.

5.        Ranjan Bose ,Information Theory, Coding and Cryptography 2nd Edition:, Tata McGraw- Hill, New Delhi, 2008

6.        Simon Haykin,Communication Systems: John Wiley & Sons. Pvt. Ltd.

7.        Taub & Schilling, Principles of Communication Systems: Tata McGraw-Hill

8.        Das, Mullick & Chatterjee, Principles of Digital Communication: Wiley Eastern Ltd.

9. Error Control Coding Fundamentals and Applications: Prentice Hall Inc.

Module

Course Plan

Hours

End- Semester Exam

marks

I

Communication model Simplex, half duplex and full duplex transmission. Time Domain and Frequency Domain concepts – Analog & Digital data and signals – Transmission Impairments – Attenuation, Delay distortion, Noise – Different types of noise

Channel capacity -Shannon’s Theorem – Transmission media- twisted pair, Coaxial cable, optical fiber, terrestrial microwave, satellite microwave.

7

15%

II

Synchronous and Asynchronous transmission. Sampling theorem

– Encoding digital data into digital signal – NRZ, Biphase, Multilevel binary – Encoding digital data into analog signals – ASK, FSK, PSK

7

15%

FIRST INTERNAL EXAM

III

Encoding analog data into digital signals – PCM, PM, DM – Encoding analog data into analog signals – AM, FM, PM.

Multiplexing – TDM, FDM, WDM & DWDM Encoding techniques, . Spread spectrum-The concept of spread spectrum – frequency hopping spread spectrum – direct sequence spread spectrum – code division multiple access

7

15%

IV

Purpose of encoding, Instantaneous codes, Construction of instantaneous codes. Construction of basic source codes. Huffman coding, Arithmetic coding, ZIP coding.

Error Detecting and correcting codes. Error detection – parity check, Forward Error Correction. Block codes, Convolution codes.

7

15%

SECOND INTERNAL EXAM

V

Cyclic codes: – Generator polynomial, Generator and Parity check matrices, Encoding of cyclic codes, Syndrome computation and error detection -CRC, VRC.

Decoding of cyclic codes, BCH codes, RS codes, Burst error correction.

7

20%

VI

Hamming codes, Encoding and decoding of systematic and unsystematic codes

Basic principles of switching – circuit switching, packet switching, message switching.

Basics   of   wireless   communication,              Introduction   to                          WiFi, WiMax, GSM, GPRS.

7

20%

END SEMESTER EXAM