569 citations · 750 across the 8 of their papers we have counts for
6 papers · 1 filter
Retrodirective Multi-User Wireless Power Transfer with Massive MIMO
Seunghyun Lee, Yong Zeng, Rui Zhang
This letter studies a radio-frequency (RF) multi-user wireless power transfer (WPT) system, where an energy transmitter (ET) with a large number of antennas delivers energy wireles…
Distributed Wireless Power Transfer with Energy Feedback
Seunghyun Lee, Rui Zhang
Energy beamforming (EB) is a key technique for achieving efficient radio-frequency (RF) transmission enabled wireless energy transfer (WET). By optimally designing the waveforms fr…
Distributed Energy Beamforming with One-Bit Feedback
Seunghyun Lee, Rui Zhang
Energy beamforming (EB) is a key technique for achieving efficient radio-frequency (RF) transmission enabled wireless energy transfer (WET). By optimally designing the waveforms fr…
Cognitive Wireless Powered Network: Spectrum Sharing Models and Throughput Maximization
Seunghyun Lee, Rui Zhang
The recent advance in radio-frequency (RF) wireless energy transfer (WET) has motivated the study of wireless powered communication network (WPCN), in which distributed wireless de…
Collaborative Wireless Energy and Information Transfer in Interference Channel
Seunghyun Lee, Liang Liu, Rui Zhang
This paper studies the simultaneous wireless information and power transfer (SWIPT) in a multiuser wireless system, in which distributed transmitters send independent messages to t…
Cognitive Energy Harvesting and Transmission from a Network Perspective
Seunghyun Lee, Kaibin Huang, Rui Zhang
Wireless networks can be self-sustaining by harvesting energy from radio-frequency (RF) signals. Building on classic cognitive radio networks, we propose a novel method for network…