DE17            ELEMENTS OF SATELLITE COMMUNICATION

 

1.         Communication Satellites                                                                               2 hours

 

1.1               Frequency bands.

1.2               General Characteristics.

 

I [1 (1.4-1.6)]

 

2.         Satellite Link                                                                                                  5 hours

 

2.1               Introduction.

2.2               Elementary link design equation.

2.3               Significance of G/T.

 

I [2 (2.1- 2.3)]            

 

3.         Analog and Digital Communication on Satellite Links                                  12 hours

 

3.1               Baseband signal.

3.2               FDM.

3.3               FM bandwidth.

3.4               S/N and C/N in FM.

3.5               Simple SCPC system.

3.6               Elements of digital communication system.

3.7               Digital modulations: ASK, PSK, QPSK, FSK.

3.8               Principles of TDM.

 

I [3 (3.2-3.4), 4 (4.1-4.4, 4.6, 4.8, 4.9)]

 

4.         Multiple Access                                                                                             6 hours

 

4.1               General description.

4.2               TDMA.

4.3               DAMA.

4.4               Spread spectrum MA.

 

I [5 (5.1-5.3), 6 (6.1), 7(7.1, 7.2, 7.4)]

 

5.         Satellite Orbits                                                                                               7 hours

 

5.1               Synchronous orbit.

5.2               Orbital parameters.

5.3               Satellite location.

5.4               Look Angles.

5.5               Earth coverage, eclipse effects, station keeping.

 

I [9 (9.1-9.7, 9.9)]

 

6.         Satellite Subsystems                                                                                       6 hours

 

6.1               Altitude and orbit control.

6.2               Repeaters.

6.3               Antenna systems.

6.4               Telemetry, tracking and command subsystem.

6.5               Thermal Control.

 

I [10 (10.3, 10.5-10.8)]

 

7.         Satellite Earth Station                                                                                     8 hours

 

7.1               Design Requirement.

7.2               Transmitter and receiver schematic.

7.3               Antenna subsystem.

7.4               Small Earth Station.

7.5               Very Small Aperture Terminals (VSATs)

 

I [11 (11.1-11.3, 11.6, 11.7)]

 

8.         Special Purpose Communication Satellites                                                    2 hours

 

8.1               Direct Broadcast Satellite (DBS).

8.2               INMARSAT.

 

I [12 (12.1, 12.2)]

 

9.         The Indian National Satellite System (INSATs)                                            2 hours

 

9.1               INSAT-I Systems.

9.2               INSAT-II.

 

I [13 (13.6-13.9)]

 

10.       Satellite – Cable Transmission                                                                      4 hours

 

10.1      Cable frequencies.

10.2      Network architecture.

 

I [15 (15.1, 15.2, 15.6)]

 

11.       Satellite Applications                                                                                      6 hours

 

11.1              Representative areas of applications.

11.2              Satellite TV.

11.3              Telephone service.

11.4              Earth observation.

11.5              Weather forecasting.

 

I [18 (18.1-18.4, 18.6, 18.7)]

 

 

Text Book

 

I.          DC Agarwal and A.K Maini, “ Satellite Communications”, Khanna Publishers, 2000