In this 2nd edition of the book, changes have been made to the structure and explanations, examples, and new material have been added. Errors and omissions contained in the 1st edition have also been corrected. [...]

(from the author's preface)

The book aims to cover the basic principles governing the operation of telecommunications systems. The material of the book is presented in a concise form, giving special emphasis to the consolidation of concepts and techniques, through a large number of examples, simulations, and diagrams.

It is addressed to students of Electrical Engineering and Computer Engineering departments, Telecommunications and Networks Engineering, Computer Science, as well as students of Technological Institutes of the corresponding departments where the subject of telecommunications is taught.