Fundamental principles treated in detail with explanations.Detailed development of array antennas to learn influence of antenna parameters on radiation as well as understanding arrays as used in practice.Thorough survey of antenna types: electrically small, resonant, broadband, and aperture.Emphasis on design data for the antennas treated.Explanations of how antennas are used in systems, such as wireless communications.Many new topics: Low-profile and personal communication antennas, mobile and base station antennas, RFID antennas, dielectric resonator antennas, smart antennas, near fields of antennas, and biohazards of RF exposure.Expanded coverage on: array antennas, microstrip antennas, system applications of antennas, and antenna measurements.Antenna synthesis is covered.Antenna measurement techniques are introduced.This edition includes recent antenna innovations and applications and introduces a succinct treatment of the finite difference, time domain (FDTD) computational techniq