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Explain the schematic for PPM generation process.
Distinguish between ideal, natural and Flat top sampling.
PART 0

Answer any two full questions, each carries 10 marks.
Explain the block diagram of a satellite repeater.
Explain SDMA referred to satellite communication.
Explain the steps involved in call processing in cellular communication for:
i) mobile to mobile, 11) mobile to wire line.
Give the difference between co-channel interference and adjacent channel
interference.
Write notes on ZigBee architecture.

With a schematic explain the principle of WiMax system.

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