Presentation Information
[B-9-03]A Study on Frequency Spacings Required for a Multi-Receiver
Wireless Power Transmission System Using Frequency-Hopping
Spread Spectrum
◎△Shehryar Shabbir1, Ryo Takahashi1 (1. Kyoto University of Advanced Science)
Keywords:
Wireless Power Transfer,Frequency Hopping Spread Spectrum
Wireless power transfer (WPT) enables contactless energy
delivery and multi-receiver operation for powering multiple
loads simultaneously. However, mutual inductive
coupling causes power sharing between receivers, reducing
available power per load. To overcome this, we focus on
a frequency-based method where separating receiver
operating frequencies reduces coupling and unwanted
power sharing. This approach can also be extended to
frequency-hopping spread spectrum (FHSS) techniques for
dynamic power control. In this study, the frequency
space is estimated to be required for the multi-receiver WPT
system.
delivery and multi-receiver operation for powering multiple
loads simultaneously. However, mutual inductive
coupling causes power sharing between receivers, reducing
available power per load. To overcome this, we focus on
a frequency-based method where separating receiver
operating frequencies reduces coupling and unwanted
power sharing. This approach can also be extended to
frequency-hopping spread spectrum (FHSS) techniques for
dynamic power control. In this study, the frequency
space is estimated to be required for the multi-receiver WPT
system.