The Era of Wireless Information and Power Transfer

Abstract

Wireless power transfer (WPT) offers a viable solution for facilitating efficient and sustainable communication networks serving energy‐limited communication devices. WPT technology enables simultaneous wireless information and power transfer (WIPT). The existing WPT technologies can be categorized into three classes: inductive coupling, magnetic resonant coupling, and RF‐based WPT. RF‐based energy harvesting technology enables the possibility of simultaneous WIPT (SWIPT), wireless‐powered communication (WPC), and wireless‐powered backscatter communication (WPBC).This introduction presents an overview of the key concepts discussed in the subsequent chapters of this book. The book addresses the challenges incurred by the nature of WPT and provides a comprehensive reference for various solutions for realizing efficient WIPT in practice. It also provides some background information on WPT and discusses exciting research directions. The book helps to study the fundamental problems in WIPT networks, including communication security in WIPT systems, energy transfer efficiency, and interference management in WIPT systems.