Wideband mmWave Wireless Power Transfer: Theory, Design and Experiments

Chaoyun Song, Lei Wang, Zhensheng Chen, George Goussetis, Guy A. E. Vandenbosch, Yi Huang

Research output: Chapter in Book/Report/Conference proceedingConference contribution

8 Citations (Scopus)


A new type of wireless power transfer system is presented with wideband mmWave transmitters and rectennas. The proposed system transmits a beam formable and beam steerable signal by exploiting the inherent frequency-dispersive nature of a passive leaky wave antenna, thereby eliminating the need for active phased array and other costly control methods. Multiple nodes can be wirelessly powered simultaneously by using a wideband mmWave rectenna to harvest the frequency scanning signals. A 24-34 GHz rectenna was designed in a highly integrated fashion and has been tested to show its high conversion efficiency of >50% at the frequency and power levels of interest. We have presented a system demonstration for remotely charging diverse nodes at > 1 m distance by using the proposed system with feedback control for the multi-tone frequency modulation and sweeping of the transmitting signals. Our work has showcased the passive beamforming and multi-node tracking of mmWave WPT system using significantly reduced cost and complexity.
Original languageEnglish
Title of host publication17th European Conference on Antennas and Propagation (EuCAP 2023)
ISBN (Print)9781665475419
Publication statusPublished - 31 May 2023
Event17th IEEE European Conference on Antennas and Propagation 2023 - Florence, Italy
Duration: 26 Mar 202331 Mar 2023


Conference17th IEEE European Conference on Antennas and Propagation 2023
Abbreviated titleEuCAP 2023


  • leaky wave antennas
  • mmWave
  • rectennas
  • wireless power transfer

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Hardware and Architecture
  • Instrumentation


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