Wearable, Energy-Autonomous RF Microwave Systems: Chipless and Energy-Harvesting-Based Wireless Systems for Low-Power, Low-Cost Localization and Sensing

In the near future, we will be surrounded in our daily lives by a multitude of small and relatively inexpensive computing devices that are equipped with wireless communication and sensing featuring the concept of “pervasive intelligence,” a basis from which we can envision our future world as an Internet of Things/Internet of Everything (IoT/IoE) in terms of both a consumer IoT/IoE and the Industrial IoT. One of the key desired characteristics of an IoT wireless sensor node is its ability to operate autonomously by means of energy harvesting (EH) rather than relying on bulky batteries, which have a limited lifetime. Furthermore, for many of the aforementioned scenarios, wearable solutions are foreseen to further increase the pervasive diffusion of the IoT paradigm, enabling a multitude of devices and individuals to be connected to each other.