7/21/2019 ECE432 syllabus

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ECE432:SPREAD SPECTRUM TECHNIQUES

L:3 T:0 P:0

Course Objectives:

To learn principles o f multi-carrier and spread spectrum

To learn multi-carrier techniques: MC-OFDMA, MC-CDMA and MC-DS-CDMA

To learn commercial applications of multi-carrier techniques

Unit I

Fundamentals: Radio channel characteristics, Understanding radio channel,

Channel modelling, Channel fade Statistics, Inter-Symbol (ISI) and Inter-ChannelInterference (ICI), Multi-carrier channel modeling, Why bother with Spread spectrum

system?

Spread Spectrum Techniques: Spread Spectrum Techniques, Direct sequence

code division multiple access, Frequency-Hopping Code division multiple access,

Advantages and dis-advantages of DS-CDMA and FH-CDMA, Multi carrier spreadspectrum, Principles of various schemes, Principles of various schemes, Advantages

and Drawbacks

Orthogonal Frequency Division Multiplexing: Diversity, Diversity Techniques,

Multi-Carrirer Transmission, Orthogonal Frequency Division Multiplexing (OFDM),

Advantages and Drawbacks of OFDM, Application and standards, Introduction of

OFDM

Unit II

MC-CDMA and MC-DS-CDMA: MC-CDMA, Signal Structure, Downlink Signal, Uplink

Signal, Spreading Techniques, Detection Techniqes, Pre-Equalization, Soft channeldecoding, MC-DS-CDMA, MC-DS-CDMA Signal Structure, MC-DS-CDMA Downlink

Signal and Uplink Signal, MC-DS-CDMA Detection Techniques

Unit III

Hybrid Multiple Access Schemes: Introduction, Multi-carrier FDMA, Orthogonal

Frequency Division Multiple Access (OFDMA), OFDMA with CDMA: SS-MC-MA,

Interleaved FDMA, Multi-carrier-TDMA, Pseudo-Random PPM-UWB Signal Generation,

UWB Transmission Schemes

Unit IV

Implementation Issues: Multi-carrier modulation and demodulation, Pulse shaping

in OFDM, Digital implementation of OFDM, Synchronization, Time Synchronization,Frequency Synchronization

Channel Codes: Channel coding and decoding, Punctured convolutional coding,

Concatenated convolutional and Reed solomon coding, Turbo coding, Adaptive

technique in multi carrier transmissions, RF Issues

Unit VApplications: Wireless local area networks, Channel characteristics, IEEE 802.11a,

WiMax-Scope, From IEEE 802.16x and ETSI BRAN HIPERMAN towards WiMax,System architecture

Unit VI

Additional Techniques for Capacity and Flexibility Enhancement: General

Principle of multi-antenna diversity, BLAST architecture, Space-time coding, Diversitytechniqes for multi-carrier transmission, transmit diversity, receive diversity, UMTS-

WCDMA

Text Books:

1. MULTI CARRIER AND SPREAD SPECTRUM SYSTEMS by K. FAZEL AND S. KEISER,

WILEY, 6th Edition, (2009)

Credits:3

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7/21/2019 ECE432 syllabus

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References:

1. FUNMDAMENTALS OF SPREAD SPECTRUM MODULATION by E.ZIEMER, MORGAN

KAUFMANN PUBLISHERS, 5th Edition, (2009)

2. MOBILE COMMUNICATION by JOCHEN SCHILLER, ADDISON WISELY, 2nd

Edition, (2003)

3. WIRELESS COMMUNICATION by THEODORE S. SAPPAPORT, PEARSON, 2nd

Edition,

4. SPREAD SPECTRUM SYSTEMS WITH COMMERCIAL APPLICATIONS by ROBERT C.

DIXON, WILEY-INDIA, NEW DELHI, 3rd Edition, (2010)

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