This book discusses wireless networks, the Internet, and the convergence of the two. The authors begin with an introductory chapter that explores the fields of telephone, wireless, and the Internet. Chapter 2 covers the concept of wireless propagation and propagation models, fundamentals of communications, coding, and information transmission. The evolution of wireless systems is discussed in Chapter 3, while Chapter 4 provides a detailed treatment of Voice over IP (VoIP). Chapter 5 examines issues concerning mobility and QoS in cellular and IP-enabled mobile multimedia networks. Chapter 6 illustrates the working of the IP Multimedia Subsystem (IMS), while Chapter 7 describes 4G wireless systems. Chapter 8 addresses the problems of user and community driven access networks and crowd driven multimedia content. Finally, Chapter 9 analyzes wireless communication methods that are fast evolving and crucial to the evolution of the Mobile Multimedia Internet.