UNIT - 3

Cellular Concepts

Q1) Explain concept of cell splitting with neat diagram. Show that if cell radius is reduced by factor of 1/2 then traffic load increases by factor of 4. 

Q2) Compare SDM, TDM and FDM.

Q3) Write a note on handoff strategies.

Q4) What is cell splitting? Why it is needed?

Q5) What is propagation mechanism? Explain free space loss.

Q6) Write a short note on: Reflection, Diffraction and Scattering.

Q7) Multipath causes three major things in wireless communication. What are they?

Q8) Derive an expression for impulse response model of multipath channel.

Q9) State and explain various Multiple Access Techniques.

Q10) Explain FDMA with diagram.

Q11) Compare FDMA and TDMA.

Q12) What is Code Division Multiple Access? Explain in detail.