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

1.a. Discuss : 1. GPS and VSAT
(10 marks) 6673

1.b. Compare : FH-CDMA and DS-CDMA
(5 marks) 11942

1.b. Explain Launching of Geo Stationary satellites.
(5 marks) 6664

2.a. Explain block diagram of Transmit and receive type of each earth station. Explain each block in detail.
(10 marks) 6718

2.b. Which types of antennas are used in satellite communication. Explain one antenna in detail.
(10 marks) 6705

3.a. What is Earth eclipse of Satellite? Are there any ways of avoiding eclipse during lifetime of satellite.
(10 marks) 6665

3.b.1 Explain the following : 1db-Compression point.
(5 marks) 6699

3.b.2 Explain the following : AM to PM conversion.
(5 marks) 6727

4.a Describe different stabilization techniques.
(10 marks) 6678

4.b Explain TT & C system with the help of block diagram.
(10 marks) 6684

5.a What is EIRP ? Discuss the importance of G/T ratio. Calculate overall C/N for a satellite link if : C/N uplink = 25db , downlink = 20db and Intermodulation = 12db.
(10 marks) 11944

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

6.a Write short note on : Optical link satellite transmitter and receiver
(10 marks) 6718

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

6.c Write short note on : Frame organization and window organization
(10 marks) 6846

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