Question:

(a) What are the elements limiting high data rate in cellular networks?

(b) Describe the following characteristics of 4G mobile networks:

- Always on
- RAN Agnostic
- SDR
- Principle of Convergence
- Dynamic / Cross Layer Routing
- Microwave Backhaul
- All IP Networks

(c) Briefly describe real time multimedia services (services will be consumer or business) exclusively on 4G.

(d) TETRA networks are known for disaster recovery management. In the absence of these networks in Mauritius imagine how 4G can be useful besides classical SMS cell casting in pre or post disaster situations. Lay down your imagination in maximum six lines.