Book excerpt: Mobile and wireless network systems play a very crucial role in modern communication systems. This book is a compilation of various case-studies and researches that analyze the performance of different mobile and wireless networks. The topics covered in this book such as wireless multimedia systems, architectures and routing protocols for wireless and mobile networks, algorithms and communication channels, etc. provide a detailed explanation of the important concepts and applications of mobile and wireless network systems. This text will prove to be a very useful source of reference for students and professionals alike.