Showing 1-25 of 40,545 resultsfor "Index Terms":Wireless Transfer
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This letter proposes a simultaneous wireless information and power transfer (SWIPT) module capable of operating a battery-less ultra-low-power wireless sensor node (WSN). This module features a miniaturized circular patch antenna that utilizes a proximity-coupled feed to enable wireless information transfer (WIT) in the $\text{5}$ GHz WiFi band ($\text{5.15}$–$\text{5.825}$ GHz). The WIT operation...Show More
Analysis and Implementation of Underwater Single Capacitive Coupled Simultaneous Wireless Power and Bidirectional Data Transfer System
Chaolai Da;Fang Li;Lifang Wang;Chengxuan Tao;Shufan Li;Ming Nie
This article investigates an underwater single capacitive coupled simultaneous wireless power and data transfer (USCC-SWPDT) system, aiming to extend the operational range and communication capability in submerged environments. Traditional inductive methods face limitations due to seawater's eddy current loss, which the USCC-SWPDT system addresses, thereby enabling power and bidirectional data tra...Show More
Biased-FSK Modulation for Simultaneous Wireless Information and Power Transfer
This article introduces an innovative three-tone frequency-shift keying (FSK) modulation technique designed for application in simultaneous wireless information and power transfer (SWIPT) systems. The proposed method aims to improve the power conversion efficiency (PCE) through waveform design without adversely affecting the information transfer performance. Contrary to conventional FSK, which use...Show More
Resonant Regulating Rectifiers (3R) Operating for 6.78 MHz Resonant Wireless Power Transfer (RWPT)
Jun-Han Choi;Sung-Ku Yeo;Seho Park;Jeong-Seok Lee;Gyu-Hyeong Cho
The design of a Resonant Regulating Rectifier (3R) capable of switching-mode operation is presented. The proposed 3R is a highly efficient receiver circuit intended for use in Resonant Wireless Power Transfer (RWPT) application with a 6.78 MHz resonant frequency. Owing to the inductance of resonant coils, the 3R does not require any additional inductor for the switching-mode regulation. The transm...Show More
Recent Trends and Challenges in Near-Field Wireless Power Transfer Systems
Elisabetta Moisello;Alessandro Liotta;Piero Malcovati;Edoardo Bonizzoni
In recent years, wireless power transfer (WPT) has become a widespread method for charging and powering devices, including but not limited to consumer electronics, industrial applications, electric vehicles, medical devices, and sensor nodes. This article provides an overview of the available WPT technologies, focusing on the near-field case, and highlights the main architecture and circuit-level ...Show More
Coupling-Dependent Data Flipping in Wireless Power and Data Transfer System
2019 IEEE International Symposium on Circuits and Systems (ISCAS)
Year: 2019 | Conference Paper |
Cited by: Papers (6)
Load modulation is a common method to transfer data from the receiver (RX) side to the transmitter (TX) side in a magnetic resonance coupling wireless power transfer system. However, coupling-dependent data flipping (CDDF), that the data can be flipped depending on the coupling between TX and RX coils, is found for the first time using the conventional voltage monitoring across the TX coil. An ana...Show More
2DPSK-based Simultaneous Wireless Power and Data Transfer Using Frequency Division Multiplexing Technique
2023 IEEE 4th China International Youth Conference On Electrical Engineering (CIYCEE)
Year: 2023 | Conference Paper |
Cited by: Papers (1)
To enable effective control between the isolated primary and secondary sides in an inductive wireless power transfer (IWPT) system, reliable real-time communication is both essential and unavoidable. This article proposes a simultaneous wireless power and data transfer (SWPDT) system that adopts the frequency division multiplexing (FDM) technique and binary differential phase-shift keying (2DPSK) ...Show More
A Resonance Based Inductive Wireless Power Transfer System for Charging Autonomous Underwater Vehicle (AUV) Batteries
2024 International Conference on Electrical Electronics and Computing Technologies (ICEECT)
Year: 2024 | Conference Paper |
Autonomous underwater vehicle (AUV) has a significant influence on marine applications due to its endurance and effectiveness in performing challenging missions. Since most AUVs employ batteries as prime energy storage, their underwater mission time is limited. Moreover, they need to be hauled out of the water for recharging batteries prior to every mission, which is a time consuming and tedious p...Show More
Wireless power and data transfer system for station-based autonomous underwater vehicles
Makoto Ogihara;Tadashi Ebihara;Koichi Mizutani;Naoto Wakatsuki
Autonomous underwater vehicle (AUV) has widely been used for underwater explorations. However, AUV requires frequent launch and recovery processes for power feeding and data extraction. In order to solve these problems, we propose wireless power and data transfer system, which uses a pair of coils and transfer power and signal by using electromagnetic induction. We designed a system that can cover...Show More
Wall-Meshed Cavity Resonator-Based Wireless Power Transfer Without Blocking Wireless Communications With Outside World
Zhen Yue;Qiaoli Zhang;Zhouming Yang;Rui Bian;Deshuang Zhao;Bing-Zhong Wang
In order to address the issue of wireless communication signal blocking in the traditional cavity resonance wireless power transfer (CR WPT), a wall-meshed cavity resonator constructed of the meshed metallic walls is proposed together with an analytical design method. This cavity resonator can not only generate and confine the electromagnetic waves of natural resonant modes inside the cavity reson...Show More
Battery-free Wireless Sensors for IoT applications
Alexandru Takacs;Gael Loubet;Taki Djidjekh;Lamoussa Sanogo;Daniela Dragomirescu
2024 15th International Conference on Communications (COMM)
Year: 2024 | Conference Paper |
This paper highlights the new advances in the field of energy-autonomous battery-free wireless sensors for IoT applications. The design and implementation challenges as well as optimized solutions are presented in a unified approach. At device level, the most relevant hardware architectures are presented with a focus of state-of-art experimental results obtained for battery-free LoRaWAN (Long Rang...Show More
An Inductive and Capacitive Hybrid Wireless Power Transfer System for Consumer Electronics with Shared Components
Jing Wu;Donghao Lan;Xingpeng Yu;Yingyao Zheng;Ronghuan Xie;Yiming Zhang
2024 3rd International Conference on Smart Grids and Energy Systems (SGES)
Year: 2024 | Conference Paper |
Wireless power transfer (WPT) technology is more convenient and flexible than traditional wired charging technology, which can eliminate the metal wire connection between the power supply and the load. In this paper, a wireless charging system which combines inductive power transfer (IPT) and capacitive power transfer (CPT) circuits for desktop is proposed. The system can realize the two working m...Show More
Information Reverse Transmission Method for Bidirectional WPT with Dual Active Bridges
Jie Wu;Kai Feng;Nan Jin;Zhenjun Wu;Shuaibiao He;Xin Liu;Dianguang Ma
2019 IEEE/CIC International Conference on Communications Workshops in China (ICCC Workshops)
Year: 2019 | Conference Paper |
Cited by: Papers (1)
In wireless power transfer (WPT) system, the primary and secondary sides employ full bridges to transfer power. The direction of power transmission is controlled by shifting the phase angle. In this paper, a method of bidirectional power trabsfer and information reverse transmission is proposed for the bidirectional WPT system with dual active bridges through a shared inductive channel. In order t...Show More
Analysis and Design of Hybrid Inductive and Capacitive Wireless Power Transfer System
2019 IEEE Applied Power Electronics Conference and Exposition (APEC)
Year: 2019 | Conference Paper |
Cited by: Papers (14)
IPT system needs capacitor to compensate the system, while CPT system requires inductor to tune the system. Therefore, a hybrid system is one of the possible solutions to compensate the IPT coupler with CPT ones and vice versa. In this paper, an Inductive and capacitive hybrid wireless power transfer (HWPT) system is proposed to improve the system coupler anti-misalignment ability. The couplers of...Show More
Wireless Power Transmission Using Acoustic-to-Inductive Relayed Transfer
Victor Farm-Guoo Tseng;Tobias Kiebala;Dylan Bruno;Benjamin Novick;Nathan Lazarus;Sarah S. Bedair
2022 21st International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS)
Year: 2022 | Conference Paper |
Cited by: Papers (1)
This paper presents, for the first time, a wireless power transfer technology that uses acoustic power transfer to transfer through/along a metal structure, then relays to conventional inductive power transfer to charge receivers not in contact with the metal structure. Acoustic waves have the unique ability to transfer directly through/along metal structures without experiencing electromagnetic s...Show More
Wireless power and information transfer in closed space utilizing frequency selected surfaces
2017 IEEE MTT-S International Microwave Symposium (IMS)
Year: 2017 | Conference Paper |
Cited by: Papers (14)
This paper presents a novel wireless power and information transfer (WPIT) in a closed space utilizing frequency selected surfaces (FSSs). The framework of a greenhouse or a building can be considered as the FSSs. Therefore, the frequency of the power provided to the sensors can be confined inside the frame-work and a communication frequency to the sensor can be transmitted and received from the o...Show More
Design and Modelling of a Mega-Hertz PCB Resonator with Hybrid Inductive and Capacitive Wireless Power Transfer Capability
2024 IEEE Energy Conversion Congress and Exposition (ECCE)
Year: 2024 | Conference Paper |
This paper reports a study on hybrid inductive and capacitive wireless power transfer through using a new design of printed circuit board (PCB) resonator. Unlike conventional PCB resonators that rely solely on magnetic flux for coupling, our approach incorporates a sandwich structure with asymmetric copper trace patterns to enable both magnetic and electric flux coupling, resulting in a higher pow...Show More
Wireless Energy Harvesting and Transfer: A Comprehensive Review of Recent Developments
Yamini Kumawat;Shrinivas Shukla;Deepak Verma;Prashant Singh Rathore
2023 IEEE Renewable Energy and Sustainable E-Mobility Conference (RESEM)
Year: 2023 | Conference Paper |
Cited by: Papers (1)
Wireless energy harvesting and transfer technologies are rapidly evolving and have the potential to revolutionize the way we power electronic devices. This review paper provides a comprehensive overview of the current state of wireless energy transmission and harvesting technology, with a focus on wireless sensor systems and communication networks. The paper discusses numerous methods and techniqu...Show More
A New Adaptive Wireless Power Transfer Solution for Use with Space Rovers and Vehicles
2022 IEEE International Conference on Wireless for Space and Extreme Environments (WiSEE)
Year: 2022 | Conference Paper |
Cited by: Papers (1)
Space rovers usually use solar power to power themselves. Unfortunately this can be impractical when exploring the dark side of a planet. To overcome this, a new adaptive wireless power solution is proposed for charging the rovers. The new wireless charging solution makes use of a directional coupler that acquires the difference between the incident and reflected mismatch of the wireless network; ...Show More
Focused antenna arrays for wireless power transfer applications
2018 International Applied Computational Electromagnetics Society Symposium (ACES)
Year: 2018 | Conference Paper |
Cited by: Papers (2)
Focused antenna arrays have the ability to concentrate their radiated power to a point. In this work, we study the advantages and benefits of these types of arrays for wireless power transfer applications. Through case studies, we demonstrate that focused arrays can significantly increase the total received power at the receiver and this capability can significantly enhance the efficiency of these...Show More
Wireless Sensor Node Powered by Unipolar Resonant Capacitive Power Transfer
2021 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer (WoW)
Year: 2021 | Conference Paper |
Cited by: Papers (9)
Sensors are a major component of any automated system. In particular, wireless monitoring of sensors has become increasingly important to reduce the complexity and electrical points of failure as the number of sensors in a system increase. Wireless communication has provided a more scalable approach as compared to serial communication, eliminating the wires that would be used for data monitoring. ...Show More
A Multi-Node Rechargeable Algorithm via Wireless Charging Vehicle with Optimal Traveling Path in Wireless Rechargeable Sensor Networks
2018 Tenth International Conference on Ubiquitous and Future Networks (ICUFN)
Year: 2018 | Conference Paper |
Cited by: Papers (10)
Recently, wireless power transfer (WPT) technology has increasingly become a promising approach to addressing the energy constraint problem in wireless sensor networks (WSNs). In this paper, we propose a multi-node rechargeable algorithm (MRA) for the WPT based wireless rechargeable sensor networks (WRSNs), which employs a mobile wireless charging vehicle (WCV) to periodically visit each specified...Show More
Toward Realization of RIS-assisted Wireless Information and Power Transfer System: Implementation and Experiments
Je Hyeon Park;Muhammad Miftahul Amri;Nguyen Minh Tran;Sung Woo Cho;Su Hyun Kim;Jina Lee;Dong In Kim;Kae Won Choi
2024 International Symposium on Antennas and Propagation (ISAP)
Year: 2024 | Conference Paper |
This paper presents a series of studies on the implementation of reconfigurable intelligent surface (RIS) in wireless communication and power transfer systems. The discussed studies put together comprehensive RIS-assisted systems covering RIS unit cell design, testbed setup, practical algorithms, and experimental validations. The results of these experiments highlight the significant enhancement t...Show More
The Wireless Information and Power Transfer Sensor Networks (WIPSNs): Opportunities & Challenges
2024 5th International Conference on Computer, Big Data and Artificial Intelligence (ICCBD+AI)
Year: 2024 | Conference Paper |
The paper reviewed the cutting-edge status in the Wireless Power Transfer (WPT) technology for the Wireless Sensor Networks (WSNs) and the recent advances in the Simultaneous Wireless Information and Power Transfer (SWIPT) technology. The receiver equipped with the Wireless Information Transfer (WIT) and the Wireless Power Transfer (WPT) units was illustrated. The paper also put forward the concep...Show More
Optimal Design of Decoupling Networks to Improve MIMO Microwave Wireless Power Transfer
2024 IEEE Wireless Power Technology Conference and Expo (WPTCE)
Year: 2024 | Conference Paper |
Long range wireless power transfer (WPT) is envisioned to employ multiple-input multiple-output (MIMO) systems to control the current distribution on a large antenna, allowing for a more accurate beam-forming. Presence of multiple antenna elements creates mutual coupling between them which reduces the WPT efficiency. To improve this, a decoupling network (DN) can be used in a similar way that impe...Show More
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