Mobile network is a communication network which is distributed over land areas by cells. These cells are provided with network coverage by base transceiver stations. These can be used further for transmission of data and voice. Mobile communication helps us in communicating with others in different locations without the use of wires and cables. Mobile networks are the backbone of telecommunications. There are several standards of digital cellular networks. These include GSM, CDMA, VoLTE, etc. The set of frequency ranges which fall within the ultra high frequency band are known as cellular frequencies. They are assigned for mobile phones so that it can connect it to cellular networks. These networks have evolved through generations. These generations are 1G, 2G, 3G and 4G, and the latest technology is 5G. This book elucidates the concepts and innovative models around prospective developments with respect to mobile communications and networks. It explores all the important aspects of this field in the present day scenario. The book is appropriate for those seeking detailed information in this area.