Q2) [15 marks] Wireless networks are pillars of mobile computing despite their known limitations. Many techniques and mechanisms have been introduced to developed nowadays networks and services.

a. In mobile computing, network heterogeneity is among the limitations of wireless networks. Explain?

b. IEEE 802.11 is a standard for WLANs. Describe standards which are supported by the wireless router in your household?

c. Discuss non-orthogonal multiple access technique for 5G networks.