With the advancement in communication technology, followed by ever growing consumer demands, the need for multifunctional wireless communication devices is more than ever felt. Reconfigurable wireless communication system which can dynamically adapt itself to constantly changing environmental propagation characteristics is the key for the next generation communication scenarios. The multitude of different standards in cell phones and other personal mobile devices require compact multiband and smart antennas with reconfigurable features. The use of the same antenna for different purposes, preferably in different frequencies is highly desirable. The book describes the design and implementation of reconfigurable antenna and its RF front-end that can be utilized for multi-standard terminals such as software-defined radio (SDR), cellular standards, WLAN, Bluetooth etc. The text presents material in a progressive way that provides insight into the design of system configuration and parameters.