problem 1) What do you mean by C/N ratio.

problem 2) What do you understand by line of sight?

problem 3) prepare and describe Erlang congestion formula.

problem 4) Sketch neat and clean frame structure of TDMA.

problem 5) prepare down the principle of working of an optical fiber.

problem 6) State apogee and perigee in detail.

problem 7) What do you mean by inclination. describe it in detail.

problem 8) Define Kepler’s second law.

problem 9) What do you mean by polar satellites?

problem 10) What do you mean by spot beam antenna?

problem 11) Sketch the frame format and briefly describe operation of FDMA.

problem 12) prepare brief note on satellite TV.

problem 13) Describe in detail different frame synchronization techniques.

problem 14) Distinguish between active and passive satellites.

problem 15) Draw and describe block diagram of a satellite transponder.

problem 16) A geostationary satellite radiates a power of 2W from an antenna with gain 10 dB towards earth. Compute the flux density and the power received by an antenna on earth with an effective aperture of 12m square. Suppose operating frequency to be 12 GHz and receiving antenna gain as 100 dB.

problem 17) prepare brief notes on:

a) VSAT

b) DATDMA

problem 18) Compare various digital modulation schemes used in satellite communication system.