The conferences bring together academia, industry and standardization bodies working on green and secure communication. The conferences will explore activities, trends and future challenges towards ICT globalization including energy and security issues in existing and future wireless technologies such as cellular, short-range, sensors, radio access, vehicular communication and embedded ones. The conferences also focus on issues in cognitive and self-organizing networks, Internet of Things, nano sensors, positioning and localization, networks without borders, recent advances in information theory and its application, multimedia applications and services.