This book addresses the challenges of rapidly increasing data rate requirements in future wireless communication systems, where the emphasis is on RF impairment compensation and system design. Two scenarios are considered: the mobile cellular scenario and the Wireless Local Access Network (WLAN) scenario. In the mobile cellular scenario, the concept of Smart-RF for Base Stations (BS) is described, which allows to manage the coexistence of different technological standards (2G/3G/4G) with reasonable installation and operation costs. In the WLAN scenario, the exploitation of the 60 GHz band is...