B.TechSemester 62022-23Satellite CommunicationKEC-062

Satellite Communication (KEC-062) - AKTU Question Paper 2022-23

B.Tech · Semester 6 · Free PDF Download

This is the official AKTU Satellite Communication Previous Year Question Paper for B.Tech Semester 6, academic session 2022-23. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:B.Tech

Semester:Semester 6

Session:2022-23

University:AKTU / UPTU

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Questions Asked in 2022-23

Satellite Communication (KEC-062) — complete question paper

Section AAttempt all questions in brief. 2 x 10 = 20

a
What are the main advantages of satellite communication technologies?
b
What are the various orbital effects?
c
Define look angle and azimuth angle
d
What are Rain and Cloud effects in Satellite Communication?
e
Define INSAT system ? Give the applications of INSAT
g
An amplifier has a quoted noise figure of 2.5 dB. W hat is its equivalent noise temperature?
h
Define apogee and perigee. (i) What is timing accuracy? (j) Explain access control protocol

Section BAttempt any three of the following: 10 x 3 = 30

a
Explain TTCM with the help of block diagram
b
Write the advantages and disadvantages of geostatio nary orbit. A satellite moving in a highly eccentric Molniya orbit having t he farthest and the closest points as 35000km and 500km respectively from the s urface of the earth. Determine the orbital time period and the velocity at the apogee and perigee points
c
Explain the Kepler’s laws of Planetary Motion. Expl ain ascending node and descending node of a satellite
d
What are the various antennas used in satellite communication?
e
Write note on Space qualification and Space debris

Section CAttempt any one part of the following: 10 x 1 = 10

a
What is Orbit perturbations? Explain the signif icance of G/T ratio of an earth station
b
Discuss in detail the factors that affect the uplin k design and the downlink design in geostationary satellites? How the uplink design different than the downlink design?
a
Derive the expression for C/N ratio. A satellit e TV signal occupies the full 36 MHz transponder bandwidth and is desired to provide a C/N ratio of 22dB at the earth station. If the downlink frequency is 4GH z and the other losses amount to 3.4dB, what must be the G/T of the earth station if GRP is 37dBW. The path length is 40000km. (Boltzman’s constant K=1.38×10-23 J/K)
b
Explain DBS-TV system design. Also discuss abou t DBS-TV link budget
a
How satellite signal acquisition is performed?
b
What is satellite navigation and the GPS system? Al so, explain radio and satellite navigation principles
a
With a neat diagram explain satellite altitude. Explain three axis methods of satellite stabilization?
b
What is VSAT? Describe the distinguishing featu re of VSAT?
a
Explain (i) The power supply subsystem (ii) Thermal control subsystem
b
Write note on (i) PSLV (ii) GSLV

Question text is extracted from the official AKTU question paper PDF above. Hindi translations are omitted — every question is printed in English in the original paper. Last verified: 2026-08-23.

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