Communication 2 1560

8/9/2019 Communication 2 1560

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TH

3.4 SUBJECT TITLE : COMMUNICATION SYSTEMS - II (1560) Year : Third Year

Teaching and Examination Scheme :

TEACHING SCHEME EXAM SCHEME & MAXIMUM MARKS

THEORYHRS/WEEK

PRACTICALHRS/WEEK

PAPER HRS. TH PR OR TW SW

2 2 3 100 - 50 - 50

RATIONALE :

To teach the students facts, concepts, principles, procedures of communicationsystems, so that students can use the knowledge to work for the wireless communicationsystems, radar, satellite & various new communication techniques.

CONTEXT IN THE FORMOF LINK DIAGRAM SHOWINGINTERRELATIONSHIP OF SUBJECT AREA

ENGINEERING SCIENCESEngineering DrawingsEngineering MechanicsBasic ElectronicsElectronics materials &

components


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HUMAN SCIENCESCommunication skillsGeneric SkillsIndustrial organization &

SupervisoryManagement

CORE TECHNOLOGYSUBJECTSInformation TechnologyWorkshop PracticeElectrical Engineering

ElectronicMeasurements &Instruments

Applied ElectronicsDigital Techniques &

ApplicationsLinear Integrated

CircuitsPower Electronics

TECHNOLOGYSUBJECTS

Microprocessor &Microcontroller

Communication

Systems IIndustrial

ElectronicsCommunication

Systems IIInstrumentation &

Control SystemsDigital Communication

Systems

BASIC SCIENCEAppliedMathematics

Applied PhysicsApplied

Chemistry

JOB PROFILESelf Developer Membership of

Family/Community/Nation

Life long learningTechnician in

industry asMaintenanceEngineer,investigator

or Designer R & DTechnician

Entrepreneur

CURRICULUMOBJECTIVES

Attitude for personalDevelopment

Social skill for socialDevelopment

Continued learning skill for life long learning

Technical skill for industrialactivity earning tolive domainSupervisory skill,

Investigation &Design skillTesting skillDecision makingskillPlanning &scheduling skill


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CHA-PTER CONTENTS

MA-R K S

HO-URS

4 Satellite communication4.1 Block diagram of elements of a satellite communication system.

Brief introduction of communications and geostationary orbit &geostationary satellite (elevation & azimuth angles of a satellite)Uplink & downlink frequencies used, frequency bands used insatellite communication. Definition of footprint, altitude & angles,station keeping.

4.2 Satellite design concept or subsystems, functions of a satellite.Diagram of key satellite functional blocks.(i) Power subsystem (only concept)(ii) Telemetry & control subsystems (only concept)(iii) Main & auxiliary propulsion subsystems (only concept)(iv) Communication channel subsystem (Block diagram of typical

transponder)(v) Antennas : Explain parabolic dish antenna & horn antenna.

4.3 Concept of ground station. Block diagram of ground station (or earthstation)

4.4 Satellite applications overviewPracticalsStudy block diagram of satellite earth station.

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5 Mobile communication5.1 Frequency band & type of modulation used for mobile

communication5.2 Block diagram of cellular phone system & its explanation5.3 Call processing- forward & reverse direction (handset to handset)5.4 Limitation of cellular phone.

a) Service Quality5.5 Concept of mobile phone.5.6 Block diagram of mobile phone systems its operation

5.7 Concept of hand-off.5.8 Advantages of delayed hand-off.5.9 Concept of queuing of hand-off.5.10 Mobile originated cell.5.11 Concept of frequency reuse channel.

a) Cell splitting5.12 Frequency spectrum utilization.Practicals5. Study block diagram of mobile phone exchange.

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6 Telephony6.1 Electronic switching exchange.6.2 Introduction to wireless in local loop (WILL) system.6.3 Additional services provided by telephone exchange. (call for-

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CHA-PTER CONTENTS

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HO-URS

wording, wake-up alarm, conferencing, STD lock etc.)6.4 Block diagram of cordless telephone & its explanation.6.5 Comparison between fixed telephone & cordless telephone, cellular

telephone & mobile telephone. Only operation point of view,advantages, limitations & applications.

6.6 Block diagram of fixed telephone working, applicationPracticals6. Study the block diagram of electronic telephone exchange.

7 Fiber optic communication7.1 Advantages of fiber optical cable7.2 Ray theory transmission : total internal reflection, acceptance angle,

numerical aperture, only concept.7.3 Cable construction7.4 Characteristics, classification, construction, specification, application

of : I) multimode step index fiber II) multimode graded index fiber &III) single mode step index fiber.

7.5 Optical fiber performance : optical fiber loss : Attenuation,dispersion, scattering, banding, connector loss, splice loss, couplingloss (no mathematical treatment)

7.6 Splicing techniques & connectors (no construction diagram)7.7 Block diagram of optical communication system & explanation7.8 Fiber optic components sources : comparison between LED &

LASER (specifications & applications) Detectors : comparison between PIN photodiode & avalanche photodiode (specifications &applications)

7.9 OTDR block diagram, working & application7.10 Power budgets system design (numericals only)Practicals7. Study of Analog link.8. Study of digital link.9. PWM link through fibre cable.10. FM link through fibre cable.

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8 Fax8.1 Facsimile machine or fax, concept conversion of image intoelectrical signal, scanning mechanism in a fax machine in short, datacompression (concept)

8.2 Block diagram of a facsimile transreceiver Practicals11. Study of block diagram of FAX system.

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IMPLEMENTATION STRATEGIES :

1) In first term, every student shall give at least one seminar on latest topics onCommunication by referring technical magazines, articles etc. The seminar report

shall be included in journal.2) At least one industrial visit on following group to be arranged -


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Group A Fixed telephone exchange, mobile telephone exchange.Group B Radar system, Satellite systemGroup C GMRT, Any Communication system using fiber optic communication.The visit report shall be included in journal.

REFERENCES :

Sr. Author Title Edition Year of Publication Publisher & Address

1 Kennedy DavisElectronicCommunicationssystem

4th 1993Tata Mc-Graw HillCompany Ltd. ,

New Delhi

2. WilliamSchweber ElectronicCommunications 1

st 1991 Prentice HallInternational UK

3 William Lee Mobile Cellular Communications 1st 1999 Mc Graw Hill , New York

4 Frenzel

CommunicationElectronicsPrinciples &Applications

3rd Tata McGraw Hill Co.Ltd., New Delhi.

Communication 2 1560

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