Results 11 to 20 of about 12,357 (334)
Dynamic Optical Wireless Power Transmission Infrastructure Configuration for EVs
EnergiesElectric vehicles (EVs) are becoming more widespread as we move toward a carbon-free society. However, challenges remain, such as the need for large batteries, the inconvenience of charging, and limited driving range.
Mahiro Kawakami, Tomoyuki Miyamoto
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IEEE Photonics Journal, 2013 We demonstrate a practical 2×80 Gbit/s dense wavelength division multiplexing (DWDM) bidirectional short-range optical wireless link. The measured power penalties for the bidirectional transmission are less than 0.8 and 0.2 dB compared to the back-
Hai-Yin Hsu +5 more
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High Power and Long Distance Underwater Optical Wireless Power Transmission
Proceedings of the XXXVth URSI General Assembly and Scientific Symposium – GASS 2023, 2023 Tomoyuki Miyamoto +2 more
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Photonics, 2023 In optical wireless power transmission, position, size, and attitude of photovoltaic device (PV) must be determined from light source. A method proposed in the previous report is based on selective absorption characteristics of PV, and it is detected by ...
K. Asaba, T. Miyamoto
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Implementation of a Full Optically-Powered 5G NR Fiber-Wireless System
IEEE Photonics Journal, 2022 We report the implementation of a full optically-powered 5G new radio (5G NR) fiber-wireless (FiWi) system based on power-over-fiber (PoF) and radio-over-fiber (RoF) technologies.
Leticia Carneiro de Souza +2 more
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Optimization for Compact and High Output LED-Based Optical Wireless Power Transmission System
Photonics, 2021 Optical wireless power transmission (OWPT) is a technology that supplies energy remotely. Due to the great advantages of long transmission distances, high directionality, no electromagnetic interference noise, and loose safety regulations, light emitting
Mingzhi Zhao, T. Miyamoto
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Design of monitoring system for coal mine roof separation based on WaveMesh network and STM32
Meikuang Anquan, 2022 In view of the traditional coal mine roof separation layer monitoring system maintenance difficult, inconvenient installation, low flexibility, and the unstable signal transmission, high power consumption and short service period of the wireless ...
WU Shitao, TANG Jianquan, YANG Jie
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IEICE Electronics Express, 2021 For internet-of-things (IoT) terminals, which consist of many sensors and beacons, wiring and using battery are ineffective power supply methods due to excessive installation and maintenance work cost.
Yuhuan Zhou, T. Miyamoto
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Photonics, 2022 In optical wireless power transmission (OWPT) systems, since beam size is finite, and relative position and attitude between transmitter and receiver is not always stationary, both beam alignment and shaping accuracies are important parameters.
K. Asaba, T. Miyamoto
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Photonics, 2022 In an optical wireless power transmission (OWPT) system, position and size of the photovoltaic device (PV) should be accurately determined from the light source position.
K. Asaba, Kenta Moriyama, T. Miyamoto
semanticscholar +1 more source