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FRANCIS XAVIER ENGINEERING COLLEGE, TIRUNELVELIDepartment of Electronics and Communication Engineering

COLLEGE VISION COLLEGEMISSION

ECE DEPARTMENT VISION ECE DEPARTMENTMISSION

To create innovative andvibrant young leadersand entrepreneurs inengineering andtechnology, for buildingIndia as a superknowledge power and to

blossom into a universityof excellence recognizedglobally

To provideeducation inengineeringwith excellenceand ethics andto reach theunreached.

To develop Electronics andCommunication Engineers by

permeating with proficientmorals, to be recognized as anadroit engineer worldwide andto strive endlessly for excellenceto meet the confronts of ourmodern society by equippingthem with changingtechnologies, professionalism,creativity research,employability, analytical,

practical skills and to excel as asuccessful entrepreneur.

1. To provide excellence througheffective and qualitative teaching-learning process that equips thestudents with adequate knowledgeand to transform the students lives

by nurturing the human values toserve as a precious resource forElectronics and CommunicationEngineering and nation.2.To enhance the problem solvingand lifelong learning skills thatwill enable by edifying thestudents to pursue higher studiesand career in research.3.To create students with effectivecommunication skills, the abilitiesto lead a ethical values in order tofulfil the social needs.

Course : EC 6402 COMMUNICATION THEORY

Credits : 3Name of the Staff : Mr.W.Stalin Jacob,Ms V C Mini Minar,Mr.S.Allwin Devaraj

Duration of the Course : Odd Semester - 2014-2015

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Duration of the Course : Odd Semester 2014 2015R

Programme Educational Objectives (PEOs)

S. No. PEOs Definition of PEOs

I PEO 1

To impart knowledge in basic sciences, mathematics, technology, workethics and character to excel in the professional career and makeinnovative contributions to the society and to acquire knowledge inelectronics and communication engineering.

II PEO 2

To inculcate the solid reasoning, decision making skills, humanism and

service to the Electronics and Communication Engineers, make themmore responsible to face the challenges in the society and to propose proper solutions that must be technically strong and economicallyfeasible.

III PEO 3

To prepare graduates with problem solving ability ,excellentcommunication skills ,knowledge enhancement through highereducation and research and to work in team in order to establish their

profession , confidence and competitiveness to be good leaders and

entrepreneurs .

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Programme Outcomes (POs)

S.No. Programme Outcomes

Pa Engineering Knowledge: Apply knowledge of mathematics, science, engineering fundamentalsand an engineering specialization for building engineering models.

P bProblem Analysis: Identify and solve engineering problems reaching conclusions usingmathematics and engineering sciences.

PcDesign/Development of Solutions: Design and develop solutions for engineering problems thatmeet specified needs.

PdInvestigations of Complex Problems: Conduct investigations of complex problems includingdesign of experiments and analysis to provide valid solutions

PeModern Tool Usage: Create and apply appropriate techniques, resources, and modernengineering tools for executing engineering activities.

Pf The Engineer and Society: Apply reasoning of the societal, safety issues and the consequentresponsibilities relevant to engineering practice.

PgEnvironment and Sustainability: Understand the impact of engineering solutions in theenvironment and exhibit the knowledge for sustainable development.

PhEthics: Apply ethical principles and commit to professional ethics, responsibilities and norms of

engineering practice.Pi

Individual and Team Work: Function effectively as an individual, and as a member or leaderin diverse teams in multi-disciplinary settings.

P jCommunication: Communicate effectively to the engineering community and the outside worldand also to write effective reports.

Pk Project Management and Finance: Understand engineering and management principles andapply them to handle projects in multi disciplinary environments.

Pl Life-Long Learning: Recognize the need for life-long learning and apply in the context oftechnological change.

Mapping Of PEO with PO

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S. No.

PEO

PO A c q u

i r i n g

K n o w

l e d g e

I n c u l c a t

i n g

M u l t i s k

i l l s

P r o f e s s i o n a l

i s m

Pf Apply reasoning of the societal, safety issues and theconsequent responsibilities relevant to engineering practice X

PgUnderstand the impact of engineering solutions in theenvironment and exhibit the knowledge for sustainable X

PhApply ethical principles and commit to professional ethics,responsibilities and norms of engineering practice X

PiFunction effectively as an individual, and as a member orleader in diverse teams in multi-disciplinary settings. X

P jCommunicate effectively to the engineering community andthe outside world and also to write effective reports X

Pk Understand engineering and management principles andapply them to handle projects in multi disciplinary X

Pl Recognize the need for life-long learning and apply in thecontext of technological change. X

Course Objectives

1. To introduce the concepts of various analog modulations and their spectral characteristics.2. To understand the properties of random process.3. To know the effect of noise on communication systems.

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Mapping of Program Outcomes with Course Outcomes

Course Outcomes

Program Outcomes

U p o n c o m p l e t

i o n o f

t h i s u n

i t , t h e

s t u d e n

t c a n a b

l e t o u n

d e r s

t a n d

b a s i c s o f

A m p l

i t u d e M

o d u l a t

i o n .


i o n o f

t h i s u n

i t , t h e

s t u d e n

t c a n a b

l e t o u n

d e r s

t a n d

F r e q u e n c y a n d

P h a s e

M o d u l a t

i o n

p r o c e s s .


i o n o f

t h i s u n

i t , t h e

s t u d e n

t c a n a b

l e t o u n

d e r s

t a n d

R a n d o m

p r o c e s s .


i o n o f

t h i s u n

i t , t h e

s t u d e n

t c a n a b

l e t o u n

d e r s

t a n d

t h e N o i s e

a n d i t s P e r f o r m a n c e .


i o n o f

t h i s u n

i t , t h e

s t u d e n

t c a n a b

l e t o u n

d e r s

t a n d

d i f f e r e n

t

I n f o r m a t

i o n C o d

i n g

T e c

h n i q u e s .

An ability to apply the fundamentals ofscience and engineering concepts fordeducing the solutions to various types of

industrial and social problems.

X X X

Ability to identify and solve engineering problems using first principles ofmathematics and science.

X X

An ability to design engineering systemtaking safety, ethics and sustainability intoconsiderations.An ability to understand, use and update with

the advancement in technologicalenhancement.X X X

An ability to correlate the contextualknowledge in assessing societal, health,

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Pre-requisites

The pre-requisite knowledge required by the Students to study this Course Digital Electronics

Course Overview and ContextThis course is offered in Fourth semester of B.E. programme in Electronics and communicationengineering as a professional core subject.This course emphasizes on the basics of modulation schemes, random process and noise.This course explains the fundamentals of noise performance and source coding theorm.The course can be delivered by the following teaching aids- through lectures (chalk & talk, PPT, OHP).

COURSE SYLLABUS

EC6402 COMMUNICATION THEORY L T P C 3 0 0 3

OBJECTIVES:

1. To introduce the concepts of various analog modulations and their spectral characteristics.2. To understand the properties of random process.3. To know the effect of noise on communication systems.4. To study the limits set by Information Theory.

UNIT I AMPLITUDE MODULATION 9

Generation and detection of AM wave-spectra-DSBSC, Hilbert Transform, Pre-envelope & complexenvelope - SSB and VSB comparison -Superheterodyne Receiver.

UNIT II ANGLE MODULATION 9

Ph d f d l ti N B d d Wi d b d FM S t FM d l ti d

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OUTCOMES:

Upon Completion of the course, the students will be able to1. Design AM communication systems.2. Design Angle modulated communication systems.3. Apply the concepts of Random Process to the design of Communication systems.4. Analyze the noise performance of AM and FM systems.

TEXT BOOK:

1. J.G.Proakis, M.Salehi, Fundamentals of Communication Systems, Pearson Education 2006.2. S. Haykin, Digital Communications, John Wiley, 2005.

REFERENCES:

1. B.P.Lathi, Modern Digital and Analog Communication Systems, 3rd Edition, Oxford UniversityPress, 2007.2. B.Sklar, Digital Communications Fundamentals and Applications, 2nd Edition Pearson Education20073. H P Hsu, Schaum Outline Series - Analog and Digital Communications TMH 2006

4. Couch.L., "Modern Communication Systems", Pearson, 2001.5. Simon haykin Communication Systems, 2005.

Instruction Schedule

Sl. No. WEEK TopicsLect

NoText

Page No

UNIT-I : AMPLITUDE MODULATION

1

WEEK I

Generation and detection of AM wave-spectra-DSBSC 3 R1,T1 162-169,134-139

2 Hilbert Transform 1 T1 99-102

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Sl. No. WEEK TopicsLect

NoText

Page No

UNIT III : RANDOM PROCESS

13

WEEK V

Random variables, Central limit Theorem 2 T1,R1214-221,445-452

14 Random Process, Stationary Processes 2 T1,R1229-244,

492-494

15 Mean, Correlation & Covariance functions 1 T1,R1222-225,

463-476

16

WEEK VI

Power Spectral Density 1 T1,R1240-245,

496-504

17 Ergodic Processes 1 R1494-496

18 Gaussian Process 1 T1, R1245-247,

632-634

19 Transmission of a Random Process Through a LTI filter. 1 R1 635-636

UNIT IV : NOISE CHARACTERIZATION

20

WEEK VII

Noise sources and types Noise figure and noise temperature Noise in cascaded systems

4 R5 523-526

21 Narrow band noise 1 R5 64

22 PSD of in-phase and quadrature noise 2 R564-69

23

WEEK VIII

Noise performance in AM systems 2 R5 130-142

24 Noise performance in FM systems

2 R5 142-148

25 Pre-emphasis and de-emphasis 2 R5 154-157

26 Capture effect, threshold effect. 2 R5 148-152

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Assessment Pattern

Item Weightage (%)

Internal Test 1 25Internal Test 2 25Internal Test 3 25Assignment 25Total 100

Tests and Examinations

Cognitive Level Test 1 Test 2 Test 3Remember 40 40 40Understand 30 30 30

Apply 30 30 30AnalyzeCreate

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Concept Map of EC 6402 COMMUNICATION THEORY

COMMUNICATION

THEORY

AMPLITUDEMODULATION

ANGLEMODULATION

RANDOMPROCESS

NOISECHARACTERIZA

TION

INFORMATIONTHEORY

HilbertTransform

Generationand detectionof AM wave

Pre-envelope& complexenvelope SSB and

VSB

Phase andfrequency

modulation Narrow Bandand Wind band

FMFM modulation

anddemodulation

FMDiscriminator

PLL as FM

Demodulator

Randomvariables

RandomProcess

ErgodicProcesses

GaussianProcess

Transmissionof a Random

ProcessThrough aLTI filter

Narrow bandnoise

Noisesources and

types

Noise performancein AM &FM systems

PSD of in- phase andquadrature

noise

Pre-emphasisand de-

emphasis

DiscreteMemorylesschannels

Entropy

Hartley -Shannon

law

Source codingtheorem

SuperheterodyneReceiver

Comparison

Huffman &Shannon -Fano codes

ChannelCapacity

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E N G I N E E R I N G C O L L E G

E


Department of ECE-FXEC

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