Answer the following problems.

problem 1) prepare down the difference between co-channel and adjacent channel interference?

problem 2) What are the different causes of fading?

problem 3) What do you mean by slotted ALOHA?

problem 4) What are the limitations in wireless networking?

problem 5) Why spread spectrum modulation is used in mobile radio, environment?

problem 6) Why is power control important in CDMA?

problem 7) What do you mean by mobile IP?

problem 8) Distinguish between 2G and 3G systems with respect to multiple access system.

problem 9) What is the function of WLL?

problem 10) describe the concept of multipath shape factors for fading channels? Define the three multipath shape factors and provide the fading rates variance relationships in terms of the shape factors.