Mobile communication systems, from their first appearance until today, have experienced tremendous growth and have become an integral part of modern lifestyle. This fact, combined with the rapid advancement of laptop technology, smart terminals, and tablets, demonstrates a strong dynamic for the evolution of mobile communications. Mobile communication systems aim to provide wireless broadband connections, offering subscribers bidirectional communication or access to internet services wherever they are, at any time, even when moving at high speeds, providing multimedia services with high transmission rates, even under adverse conditions.

This book aims to cover both the topics related to information transmission techniques in the radio channel and the basic characteristics of the main mobile communication systems. The book begins with a description of wireless propagation conditions in different environments, analyzes digital transmission techniques and the handling of degradations introduced by the radio channel, presents design techniques for cellular systems, and describes the basic principles of mobile communication systems.