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Course Co-ordinated by IIT Kharagpur
Coordinators
 
Prof. Debarati Sen
IIT Kharagpur

 
Prof. Debarati Sen
IIT Kharagpur

 
Prof. Debarati Sen
IIT Kharagpur

 
Prof. Debarati Sen
IIT Kharagpur

 
Prof. Debarati Sen
IIT Kharagpur

 

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Originally adopted in military networks as a means of ensuring secure communication when confronted with the threats of jamming and interception, spread spectrum systems are now the core of commercial applications such as mobile cellular and satellite communications. Over the years, the most successful implementation of spread spectrum communication in commercial world lies in CDMA 2000, WCDMA and UMTS, WLAN, Ultra Wideband Communications (UWB), Body Area Networks, and energy efficient future generation Millimeter Wave (mmWave) communications. The present course introduces basic principle of spread spectrum techniques, key concept of code designing supported by Galois field mathematics, understanding Jamming environment and interference handling mechanisms. The theoretical principles are tempered with their practical significance to cope up with the interest to both researchers and system designers. Learning is facilitated by streamlined derivations, tutorials, and assignments.

Week

Topics

1

Types of Spread Spectrum Systems: Different Spreading Techniques will be addressed

2

Spreading Sequences: Generation Mechanism of sequences and Waveforms

3

Properties of Spreading Sequences: Code Properties and comparative studies

4

Systems under Jamming: Performance Analysis

5

Galois Field Mathematics: Concept of code generator polynomial and characteristic equation

6

Interference Rejection Techniques

7

Code Acquisition Mechanism

8

Code Tracking Mechanism

9

Concept of Fading Channels and Diversity

10

CDMA Technology and Interference Handling Mechanisms

11

MUD and Performance Analysis of CDMA Networks

12

WCDMA; Low Probability of Intercept Methods
 
Digital Communication, Fundamentals of Wireless Communications
Principles of Spread-Spectrum Communication Systems, Don Torrieri, Springer, 2004. This book will be followed in the course.
Spread Spectrum Systems for GNSS and Wireless Communications, Jack K. Holmes, Artech House, 2007.
Spread spectrum Systems by R. C. Dixon.
Signal design for Good Correlation by S. W. Golomb and G. Gong, Cambridge Univ.Press, 2005
Presentations used in the Course.
Reference Material: Theory and Applications of OFDM and CDMA- Wideband Wireless Communications, Henrik Schulze and Christian Luders, John Wiley and Sons Ltd, 2007.
Introduction to Spread Spectrum Communications by R. L. Peterson, R. E. Ziemer and D.E. Borth, Pearson Education, 1995 CDMA Systems capacity Engineering by K. Kim and I. Koo, Artech House, 2005


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