Cellular Mobile Communication (EC-703 (A)) - Important Questions

Discuss about the basic principle operation of cellular systems.

Determine the desired carrier-to-interference ratio (C/I) in an omni-directional antenna system (numerical).

Explain about the co channel interference reduction factor.

What are the different elements which helps to establish cellular radio system? Briefly explain each one of them.

Discuss the desired carrier-to-interference ratio (C/I) in an omni-directional antenna system and ways to achieve the required conditions.

Explain the principle of mobile signal propagation over water and flat open area, including general formula and challenges in maintaining cell coverage.

Explain the gain and pattern relationship of cell-site antennas and classify the patterns.

Explain the effects of cell site antenna heights on signal coverage cells.

Write short notes on mobile point-to-point model, umbrella pattern effect, and frequency spectrum utilization.

Calculate the change in received signal power in dB when the receiver distance is doubled in mobile radio propagation.

Explain the principle of mobile to mobile propagation.

Elaborate general introduction on cell coverage for signal and its traffic conditions.

Discuss all supporting parameters of cellular system antennas, explaining each with necessary equations.

Design a system to serve a predefined area that experiences co-channel interference.

Explain the different effects on coverage and interference by applying power decrease.

Explain the fixed channel assignment algorithm.

Classify handoff based on nature of handoff and Explain.

Derive and explain the dropped call / dropped cell rate formula and its evaluation.

Explain the differences between fixed channel assignment and non-fixed channel assignment algorithms.

Draw and explain the structure call blocking from the subscribers. What is the practical solution of this problem? Explain.

What are the differences between cell site handoff and intersystem handoff?

Explain the architecture and working/features of the GSM system.

Explain call processing and handoff procedure in CDMA system.

Write short notes on (any four)

Explain the classification of layer modelling with practical applications.