Wireless Communications and Mobile Telephony

Antennas theory
Characteristics of 802.11 and its various versions, ad hoc and infrastructure modes, physical layer, access to the CSMA/CA channel, RTS/CTS mechanisms, first connection to an access point, data/control/management frame structure,
Evolution of 2G --> 5G cellular networks: architecture, radio interface
IP mobility via home/foreign agents
Handover technique to maintain the connection of mobile networks