Download PTU (Punjab Technical University) B.Tech (Bachelor of Technology) / BE (Bachelor of Engineering) 2021 January ECE 7th Sem 71914 Satellite Communication Previous Question Paper
Total No. of Pages : 02
Total No. of Questions : 18
B.Tech. (ECE) (2012 to 2017 E-II) (Sem.?7)
SATELLITE COMMUNICATION
Subject Code : BTEC-910
M.Code : 71914
Time : 3 Hrs. Max. Marks : 60
INST RUCT IONS T O CANDIDAT ES :
1 .
SECT ION-A is COMPULSORY cons is ting of TEN questions carrying TWO marks
each.
2 .
SECT ION-B c ontains F IVE questions c arrying FIVE marks eac h and s tud ents
have to atte mpt any FOUR q ues tions.
3 .
SECT ION-C contains THREE questions carrying T EN marks e ach and s tudents
have to atte mpt any T WO questio ns.
SECTION-A
Answer briefly :
1.
Write the advantages and disadvantages of Satellite Communication.
2.
What are the parameters which may affect the orbital position of the satellite?
3.
Why is Uplink frequency greater than the downlink frequency?
4.
What are Geostationary Satellites?
5.
When VSAT type terminals involved CDMA offers several advantages of satellite
networking. What are they?
6.
What is angle of evaluation?
7.
Define frequency window.
8.
What is head end equation?
9.
Write the two basic problems in satellite digital transmission.
10. Compare single access and multiple access.
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SECTION-B
11. What are the functions carried out in Telemetry, Tracking & Command (TT&C)
Subsystem?
12. The range between a ground station & a satellite is 42000km. Calculate the free space
loss a frequency of 6GHz.
13. Why link budget is calculated for satellite communication system?
14. What is meant by burst position acquisition & burst position synchronization?
15. Briefly discuss about Mobile Satellite Services.
SECTION-C
16. Derive the satellite link design equation.
17. Describe briefly the types of INTELSAT satellites with respect to basic space craft
characteristics and vehicle types.
18. Summarize the important feature of Intelsat SCPC system.
NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any
page of Answer Sheet will lead to UMC against the Student.
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This post was last modified on 26 June 2021