Answer the following problems.

problem 1) describe typical TDMA frame format.

problem 2) Earth station uses a 3m diameter parabolic antenna to receive a 4-GHz signal from a geostationary satellite. If the satellite transmitter delivers 10W into a 3-m diameter transmitting antenna and the satellite is located 36,000 km from the receiver, what is power received?

problem 3) describe a simplified block diagram of a communications satellite transponder.

problem 4) describe with full specifications the transmission of broadcast-quality TV signals from a ground station.

problem 5) Compare and describe significant features of different digital modulation techniques.

problem 6) describe and compare SCPC and CSSB systems.

problem 7) prepare brief notes on the following:

(a) Erlang call congestion formula.

(b) Satellite link analysis.