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UNIT I OVERVIEW OF SATELLITE SYSTEMS, ORBITS AND LAUNCHINGMETHODS

SyllabusIntroduction Frequency Allocations for Satellite Services Intelsat U.S.Domsats Polar

Orbiting Satellites Problems Keplers First Law Keplers Second Law Keplers Third

Law Definitions of Terms for Earth-orbiting Satellites Orbital Elements Apogee and

Perigee Heights Orbital Perturbations Effects of a Nonspherical Earth Atmospheric Drag

Inclined Orbits Calendars Universal Time Julian Dates Sidereal Time The OrbitalPlane The Geocentric-Equatorial Coordinate System Earth Station Referred to the IJK

Frame The Topcentric-Horizon Co-ordinate System The Sub-satellite Point Predicting

Satellite Position.

Objective

Overview of Satellite systems to other terrestrial systems and study of satellite orbits and

lauching.

LESSON PLAN LP EC1015LP Rev. No: 03

Date: 13.12.10

Page 01 of 07

Sub Code &Name: EC1015 SATELLITE COMMUNICATION

Unit : I Branch : EC Semester: VIII

Session

No

Topics to be covered Time Ref Teaching

Method

1 Introduction, Frequency Allocations for SatelliteServices

50m 1-4 BB

2 Intelsat 50m 1,2,4 BB

3 U.S.Domsats 50m 1,2,4 BB

4 Polar Orbiting Satellites 50m 1 BB

5 Keplers First Law Keplers Second Law Keplers

Third Law Definitions of Terms for Earth-orbiting

Satellites

50m 1,4 BB

6 Orbital Elements,Apogee and Perigee Heights, Orbital

Perturbations- Effects of a Nonspherical Earth,

50m 1,2,4 BB

7 Atmospheric Drag ,Inclined Orbits, Calendars

Universal Time Julian Dates

50m 1 BB

8 Sidereal Time The Orbital Plane, The Geocentric-

Equatorial Coordinate System

50m 1 BB

9 Earth Station Referred to the IJK Frame The

Topcentric Horizon Co-ordinate System, The Sub-

satellite Point Predicting Satellite Position,

Problems

50m 1 BB

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UNIT II GEOSTATIONARY ORBIT & SPACE SEGMENT

SyllabusIntroduction Antenna Look Angels The Polar Mount Antenna Limits of Visibility Near

Geostationary Orbits Earth Eclipse of Satellite Sun Transit Outage Launching Orbits

Problems Power Supply Attitude Control Spinning Satellite Stabilization

Momentum Wheel Stabilization Station Keeping Thermal Control TT&C Subsystem

Transponders Wideband Receiver Input Demultiplexer Power Amplifier AntennaSubsystem Morelos Anik-E Advanced Tiros-N Spacecraft

Objective

To study about earth segment and space segment components

LESSON PLAN LP EC1015LP Rev. No: 03

Date: 13.12.10Page 02 of 07

Sub Code & Name: EC1015 SATELLITE COMMUNICATIONUnit : II Branch : EC Semester: VIII

Session

No

Topics to be covered Time Ref Teaching

Method

10 Introduction Antenna Look Angels 50m 1,4 BB

11 The Polar Mount Antenna Limits of Visibility NearGeostationary Orbits 50m 1,4 BB

12 Earth Eclipse of Satellite Sun Transit Outage

Launching Orbits

50m 1 BB

13 Power Supply Attitude Control 50m 1,4 BB

14 Spinning Satellite Stabilization Momentum WheelStabilization Station Keeping

50m 1 BB

15 Station Keeping Thermal Control TT&C Subsystem

Transponders

50m 1,4 BB

16 Wideband Receiver Input Demultiplexer 50m 1 BB

17 Power Amplifier, Antenna Subsystem Morelos 50m 1 BB

18 Anik-E Advanced Tiros-N Spacecraft, Problems 50m 1 BB

19 CAT-I 75m

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UNIT III EARTH SEGMENT & SPACE LINK

Syllabus Introduction Receive-Only Home TV Systems Outdoor Unit Indoor Unit for Analog

(FM) TV Master Antenna TV System Community Antenna TV System Transmit-Receive

Earth Stations Problems Equivalent Isotropic Radiated Power Transmission Losses

Free-Space Transmission Feeder Losses Antenna Misalignment Losses Fixed

Atmospheric and Ionospheric Losses Link Power Budget Equation System Noise

Antenna Noise Amplifier Noise Temperature Amplifiers in Cascade Noise Factor Noise

Temperature of Absorptive Networks Overall System Noise Temperature Carrier-to-NoiseRatio Uplink Saturation Flux Density Input Back Off The Earth Station HPA

Downlink Output Back off Satellite TWTA Output Effects of Rain Uplink rain-fade

margin Downlink rain-fade margin Combined Uplink and Downlink C/N Ratio

Intermodulation Noise.

Objective

To Study about Earth segment and space segment components

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LESSON PLAN LP EC1015LP Rev. No: 03

Date: 13.12.10

Page 03 of 07Sub Code & Name:EC1015 SATELLITE COMMUNICATION

Unit : III Branch : EC Semester:VIII

Session

No

Topics to be covered Time Ref Teaching

Method

20 Introduction Receive-Only Home TV Systems

Outdoor Unit Indoor Unit for Analog (FM) TV

50m 1,2,4 BB

21 Master Antenna TV System Community Antenna TV

System, Transmit-Receive Earth Stations Problems

50m 1 BB

22 Equivalent Isotropic Radiated Power Transmission

Losses Free-Space Transmission

50m 1 BB

23 Feeder Losses Antenna Misalignment Losses Fixed

Atmospheric and Ionospheric Losses Link Power

Budget Equation

50m 1,4 BB

24 System Noise Antenna Noise Amplifier Noise

Temperature, Amplifiers in Cascade Noise Factor

50m 1,4 BB

25 Noise Temperature of Absorptive Networks ,Overall

System Noise Temperature Carrier-to-Noise Ratio Uplink

50m 1 BB

26 Saturation Flux Density Input Back Off The Earth

Station HPA Downlink

50m 1,2 BB

27 Output Back off Satellite TWTA Output Effects of

Rain, Uplink rain-fade margin Downlink rain-fade

margin

50m 1,2 BB

28 Combined Uplink and Downlink C/N Ratio

Intermodulation Noise

50m 1,2 BB

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UNIT IV SATELLITE ACCESS

Syllabus Single Access Preassigned FDMA, Demand-Assigned FDMA, SPADE System. Bandwidth-

limited a Power-limited TWT amplifier operation, FDMA downlink analysis.TDMA :

Reference Burst; Preamble and Postamble, Carrier recovery, Network synchronization, unique

word detection, Traffic Date, Frame Efficiency and Channel capacity, preassigned TDMA,

Demand assigned TDMA, Speech Interpolation and Prediction, Downlink analysis for Digital

transmission.Companion of uplink Power requirements for FDMA & TDMA. On-board signal

Processing for TDMA / FDMA operation, Satellite switched TDMA.Code-Division Multiple

Access Direct-Sequence spread spectrum code signal c(t) autocorrelation function for c(t)

Acquisition and tracking Spectrum spreading and dispreading CDMA throughput

Problems Network Layers TCP Link Satellite Links and TCP Enhancing TCP Over

Satellite Channels Using Standard Mechanisms (RFC-2488) Requests for comments Split

TCP connections Asymmetric Channels Proposed Systems.

Objective

Study of Satellite access by various users

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LESSON PLAN LP EC1015LP Rev. No: 03

Date: 13.12.10

Page 04 of 07Sub Code & Name:EC1015 SATELLITE COMMUNICATION

Unit : IV Branch : EC Semester:VIII

Session

No

Topics to be covered Time Ref Teaching

Method

29 Single Access Preassigned FDMA, Demand-Assigned

FDMA, SPADE System

50m 1,2,4 BB

30 Bandwidth-limited a Power-limited TWT amplifier operation,

FDMA downlink analysis, TDMA : Reference Burst

50m 1,2,4 BB

31 Preamble and Postamble, Carrier recovery, Network

synchronization(Open loop,Loopback and feedback timing

control), unique word detection,

50m 1,2,4 BB

32 Traffic Date, Frame Efficiency and Channel capacity

,preassigned TDMA, Demand assigned TDMA, Speech

Interpolation and Prediction

50m 1,2,4 BB

33 Downlink analysis for Digital transmission.Companion of

uplink Power requirements for FDMA & TDMA

50m 1,2,4 BB

34 On-board signal Processing for TDMA / FDMA operation,Satellite switched TDMA

50m 1,2,4 BB

35 Code-Division Multiple Access Direct-Sequence spread

spectrum

50m 1,2,4 BB

36 code signal c(t) autocorrelation function for c(t)

Acquisition and tracking

50m 1,2,4 BB

LESSON PLAN LP EC1015LP Rev. No: 03

Date13.12.10

Page 05 of 07Sub Code & Name: EC1015 SATELLITE COMMUNICATION

Branch : EC Semester:VIII

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LESSON PLAN LP EC1015LP Rev. No: 03

Date: 13.12.10

Page 06 of 07Sub Code & Name:EC1015 SATELLITE COMMUNICATION

Unit : V Branch : EC Semester:VIII

Session

No

Topics to be covered Time Ref Teaching

Method

37 Spectrum spreading and dispreading CDMA throughput,

Network Layers TCP Link, Satellite Links and TCP Enhancing TCP Over Satellite

50m 1,2,4 BB

38 Channels Using Standard Mechanisms (RFC-2488), Requests

for comments Split TCP connections, Asymmetric Channels

Proposed Systems, Problems

50m 1 BB

39 CAT-II 75m

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UNIT V DIRECT BROADCAST SATELLITE SERVICES

SyllabusIntroduction Orbital Spacings Power Rating and Number of Transponders Frequencies

and Polarization Transponder Capacity Bit Rates for Digital Television MPEG

Compression Standards Forward Error Correction Home Receiver Outdoor Unit (ODU)

Home Receiver Indoor Unit (IDU) Downlink Analysis Uplink -Problems - Satellite Mobile

Services VSATs Radarsat Global Positioning Satellite System Orbcomm.

Objective

Study of Satellite services and compression standards

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Session

No

Topics to be covered Time Ref Teaching

Method

40 Introduction Orbital Spacings Power Rating and

Number of Transponders

50m 1,2 BB

41 Frequencies and Polarization Transponder Capacity 50m 1,2 BB42 Bit Rates for Digital Television MPEG Compression

Standards

50m 1,2 BB

43 Forward Error Correction Home Receiver Outdoor

Unit (ODU)

50m 1 BB

44 Home Receiver Indoor Unit (IDU) Downlink

Analysis

50m 1 BB

45 Uplink -Problems 50m 1 BB

46 Satellite Mobile Services VSATs 50m 1 BB

47 Radarsat Global Positioning Satellite System 50m 1 BB

48 Orbcomm, Problems 50m 1 BB

49 CAT-III 75m

LESSON PLAN LP EC1015LP Rev. No: 03

Date: 13.12.10

Page 07 of 07Sub Code & Name: EC1015 SATELLITE COMMUNICATION

Branch : EC Semester:VIII

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Course Delivery Plan

Text Book

1. Dennis Roddy, Satellite Communications, McGraw-Hill Publication Third edition 2001

Reference Books

2. Timothy Pratt Charles Bostian & Jeremy Allmuti, Satellite Communications, John

Willy & Sons (Asia) Pvt. Ltd. 2004

3. Wilbur L. Pritchars Henri G.Suyder Hond Robert A.Nelson, Satellite Communication

Systems Engineering, Pearson Education Ltd., Second edition 2003.

4. M.Richharia : Satellite Communication Systems (Design Principles Macmillan Press

Ltd.Second Edition 2003.

Prepared by Approved by

Signature

Name K.Srividhya , S.P Sivagnana Subramanian Prof. E.G.Govindan

Designation Assistant Professor HOD, Department of EC

Date 13.12.10

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