After a period when optical links appeared to become the solution to all transmission problems, the ongoing revolution in the telecommunications sector and the advances in technology have brought microwave links back to center stage.
* Detailed comparison of ITU (International Telecommunications Union) and North American frequency hierarchies, an important topic that has been inadequatly covered
* Contains end -of-chapter problem sets and a solutions manual Includes extensive discussion of error control codes

CARLOS SALEMA earned his PhD in electrical engineering in 1972 from the University of London. He is presently Professor of Electrical Engineering at the Instituto Superior Técnico (IST), in Lisbon, Portugal, where he lectures on telecommunication systems and aperture antennas.