Multimode resonator technique in antennas: A review

L Zhu, N Liu - Electromagnetic Science, 2023 - ieeexplore.ieee.org
During the past several decades, the multimode resonator (MMR) technique has been
extensively investigated and widely used, with successful exploration of a variety of high …

Room-scale magnetoquasistatic wireless power transfer using a cavity-based multimode resonator

T Sasatani, AP Sample, Y Kawahara - Nature Electronics, 2021 - nature.com
Magnetoquasistatic wireless power transfer can be used to charge and power electronic
devices such as smartphones and small home appliances. However, existing coil-based …

Room-wide wireless charging and load-modulation communication via quasistatic cavity resonance

T Sasatani, CJ Yang, MJ Chabalko… - Proceedings of the …, 2018 - dl.acm.org
The rise of the Internet of Things (IoT) has led to a significant increase in the number of
connected devices that stream data in our homes, offices and industrial spaces. However, as …

Alvus: A reconfigurable 2-d wireless charging system

K Sumiya, T Sasatani, Y Nishizawa, K Tsushio… - Proceedings of the …, 2019 - dl.acm.org
Wireless charging pads such as Qi are rapidly gaining ground, but their limited power supply
range still requires precise placement on a specific point. 2-D wireless power transfer (WPT) …

Selectively powering multiple small-size devices spaced at diffraction limited distance with point-focused electromagnetic waves

ZH Cheng, T Li, L Hu, X Ma, F Liang… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
The issue of accurately distinguishing and selectively powering multiple closely spaced
devices is challenging but vital for wireless power transfer (WPT). In this article, a continuous …

Toward wirelessly cooperated shape-changing computing particles

J Kadomoto, T Sasatani, K Narumi… - IEEE Pervasive …, 2021 - ieeexplore.ieee.org
Widespread research is being conducted on computational materials. The challenge for the
realization of computational materials is how to weave computers into everyday objects …

Wireless power transfer in Japan: Regulations and activities

N Shinohara - 2020 14th European Conference on Antennas …, 2020 - ieeexplore.ieee.org
Japan has a long history of research and development (R&D) in wireless power transfer
(WPT) technologies. Recently, based on a WPT R&D agreement, there are interesting new …

Genetic algorithm-based receiving resonator array design for wireless power transfer

T Sasatani, Y Narusue, Y Kawahara - IEEE Access, 2020 - ieeexplore.ieee.org
Deploying 2-D arrays of multiple transmitters is a promising approach for extending wireless
power transfer (WPT) to wide surfaces. However, these arrays involve “null zones,” where …

[HTML][HTML] Model Decomposition-Based Approach to Optimizing the Efficiency of Wireless Power Transfer Inside a Metal Enclosure

R Kusnins, S Tjukovs, J Eidaks, K Gailis, D Pikulins - Applied Sciences, 2024 - mdpi.com
This paper describes a numerically efficient method for optimizing the high power transfer
efficiency (PTE) of a resonant cavity-based Wireless Power Transfer (WPT) system for the …

Receiver-Feedback-Free Cavity Resonant Wireless Power Transfer Based on In Situ S-Parameter Estimation Using a Parasitic Antenna

K Murata, S Kondo, K Takiya… - IEEE Antennas and …, 2021 - ieeexplore.ieee.org
This letter proposes a novel cavity resonant wireless power transfer that can optimize the
load condition of a parasitic antenna without receiver feedback or the need to know the S …