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04000EC404052005

PART (^

Answer any two full questions, each carries 20 marks.
Describe the ground reflection (two ray) model. Determine the expression for
received power and total electric field at a distance ‘d’ and path loss for ground
reflection model.
Explain Orthogonal Frequency Division Multiplexing (OFDM).Explain the
OFDM implementation of multicarrier transmission system.
Discuss the ‘handoff strategies employed in the design of a mobile
communication system.

Write short notes on: -
i) Enhanced Data Rate for Global Evolution (EDGE)

ii) Digital Enhanced Cordless Telecommunications (DECT) data service
Explain the fading effect due to multipath time delay and Doppler spread.

Discuss in detail about GSM system architecture with figure.

بد بد بد ‎मे‏

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