MULTIPLE ACCESS TECHNIQUES AND NETWORK ASPECTS

UNIT :05(MULTIPLE ACCESS TECHNIQUES AND NETWORK ASPECTS)              

                                            (2 marks)

1. Give the 3 different types of applications with respect to satellite systems.
2. Mention the 3 regions to allocate the frequency for satellite services.
3. Give the types of satellite services.
4. What is mean by Dom sat?
5. What is mean by INTELSAT?
6. What is mean by SARSAT?
7. What are the applications of Radarsat?
8. What is ECEF?
9. What is dilution of precision?
10. What is PDOP?
11. What is DBS?
12. Give the frequency range of US DBS systems with high power satellites.
13. Give the frequency range of US DBS systems with medium power satellites.
14. What is DTH?
15. Write about bit rates for digital television.
16. What is meant by Orbcomm?
17. What are the Radarsat Orbital Parameters?
18. What are the modes in Radarsat-2 to transmit and receive?
19. What are the blocks present in outdoor unit?
20. Draw the block diagram of Home receiver outdoor unit.

UNIT :05( SERVICES AND APPLICATIONS ) SATELLITE COMMUNICATIONS

UNIT :05(SERVICES AND APPLICATIONS )

                                        (16 marks)

1. Explain in detail about Fixed and mobile services.                (16)
2. Describe Multimedia satellite services in detail                         (16)
3. State the Advanced applications based on satellite platforms in detail.     (16)
4. Explain in detail about INTELSAT series and INSAT.                     (16)
5. Define VSAT. Explain in detail with neat sketches.                (16)
6. Write short note on

(a). Remote Sensing.                                      (8)

(b). Mobile satellite service.                                  (8)

7. Explain in detail about GSM Technique with neat diagrams.            (16)
8. Write short note on

(a). GPS and                                     (8)

(b). INMARSAT.                                          (8)

9. Explain in detail about Navigation System.                             (16)

10. Explain in detail about Direct to Home service (DTH).                     (16)

1. Write short note on

(a).Special services.                                (16)

(b).E-mail.                                             (16)

(c).Video conferencing and Internet connection