On CSI-Free Multiantenna Schemes for Massive Wireless-Powered Underground Sensor Networks
Radio-frequency wireless energy transfer (WET) is a promising technology to realize wireless-powered underground sensor networks (WPUSNs) and enable sustainable underground monitoring. However, […]
CSI-Free Rotary Antenna Beamforming for Massive RF Wireless Energy Transfer
Radio-frequency (RF) wireless energy transfer (WET) is a key technology that may allow seamlessly powering future massive low-energy Internet of Things (IoT) […]