Wireless Power Transfer in Millimeter Wave

The millimeter wave (mmWave) band is a key enabler of future fifth generation (5G) networks. Unfortunately, mmWave signals suffer from poor penetration and diffraction characteristics, making them susceptible to blockage by many common materials such as buildings and human bodies. This chapter reviews a case study illustrating how mmWave can be used for wireless power transfer despite the presence of blockages. It provides a discussion on characterizing the performance of wireless power transfer in a large‐scale mmWave cellular network. The chapter examines the network level performance trends in terms of key parameters such as the mmWave network density and the antenna geometry parameters for both operating modes of the energy harvesting devices. It summarizes some analytical results that characterize the performance of wireless power transfer in the mmWave band and presents numerical examples to showcase the performance of mmWave wireless power transfer.