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Satellite Communication And Networks Question Paper - Dec 18 - Electronics And Telecomm (Semester 8) - Mumbai University (MU)
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Satellite Communication And Networks - Dec 18

Electronics And Telecomm (Semester 8)

Total marks: 80
Total time: 3 Hours
INSTRUCTIONS
(1) Question 1 is compulsory.
(2) Attempt any three from the remaining questions.
(3) Draw neat diagrams wherever necessary.

Q1. Attempt any FOUR

1.a. Explain Launching of Geostationary satellites
(5 marks) 6664

1.b. Explain design considerations of Earth station
(5 marks) 6717

1.c State and explain Kepler’s Laws
(5 marks) 11945

1.d Explain different orbital parameters
(5 marks) 6671

1.e Differentiate window and frame organization
(5 marks) 6846

2.a What is EIRP, Discuss importance of [ G/T ] ratio. Calculate Overall [C/N] for a satellite link, if [C/N] up link =25dB and [C/N] downlink=20dB and intermodulation noise =13dB
(10 marks) 11944

2.b Explain TT & C subsystem. Explain role of multi-tone frequency in tracking system.
(10 marks) 6688

3.a Describe different stabilization technique
(10 marks) 6678

3.b What are different types of lasers used for satellite communication? Explain acquisition link model for optical communication
(10 marks) 6847

4.a With the help of block diagram explain transmit receive type of earth station
(10 marks) 6719

4.b Draw and explain satellite network architecture
(10 marks) 6848

5.a Explain SPADE system and SCPC of FDMA
(10 marks) 6720

5.b Which types of antennas used in satellite communication. Explain any one in detail
(10 marks) 6705

6.a Write short note : Onboard connectivity with transparent processing
(10 marks) 11872

6.b Write short note : VSAT and GPS
(10 marks) 6673

6.c Write short note : Reliability and space Qualification
(10 marks) 11876

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