Fully updated to reflect the developments in response to rapidly increasing network demands, the second edition of this popular text covers a wide range of interrelated topics in array processing. It adds two new chapters, focusing on the use of antenna arrays in wireless communications and on localization. It also adds coverage of multi-component sensors, space-time processing, Azimuth/elevation estimation, and frequency invariant beamformation. Each concept is described in precise mathematical language. Written as an introduction, the book includes numerical examples and detailed illustrations, as well as practice exercises in each chapter. A solutions manual is available for qualifying instructors.