Results 31 to 40 of about 39,856 (205)
Wearable flexible lightweight modular RFID tag with integrated energy harvester [PDF]
, 2016 A novel wearable radio frequency identification (RFID) tag with sensing, processing, and decision-taking capability is presented for operation in the 2.45-GHz RFID superhigh frequency (SHF) band.
Agneessens, Sam +5 more
core +2 more sources
IEEE Access, 2023 The adoption of wireless charging technologies for consumer and industrial applications is inhibited by concerns over reliability culminating from the fluctuating output power, low transmit power, and power transfer efficiency (PTE) of these systems ...
Webster Adepoju +6 more
doaj +1 more source
A 24-GHz SiGe Phased-Array Receiver—LO Phase-Shifting Approach [PDF]
, 2005 A local-oscillator phase-shifting approach is introduced to implement a fully integrated 24-GHz phased-array receiver using an SiGe technology. Sixteen phases of the local oscillator are generated in one oscillator core, resulting in a raw beam-forming ...
Guan, Xiang +3 more
core +1 more source
On-Site Wireless Power Generation
, 2018 Conventional wireless power transfer systems consist of a microwave power generator and a microwave power receiver separated by some distance. To realize efficient power transfer, the system is typically brought to resonance, and the coupled-antenna mode
Alu, A. +6 more
core +1 more source
Wireless Power Transfer to a Microaerial Vehicle with a Microwave Active Phased Array
International Journal of Antennas and Propagation, 2014 A wireless power transfer system using a microwave active phased array was developed. In the system, power is transferred to a circling microaerial vehicle (MAV) by a microwave beam of 5.8 GHz, which is formed and directed to the MAV using an active ...
Shotaro Nako +4 more
doaj +1 more source
Recent Advances in Joint Wireless Energy and Information Transfer
, 2014 In this paper, we provide an overview of the recent advances in microwave-enabled wireless energy transfer (WET) technologies and their applications in wireless communications. Specifically, we divide our discussions into three parts. First, we introduce
Bi, Suzhi, Ho, Chin Keong, Zhang, Rui
core +1 more source
An integrated power conversion system for bidirectional microwave wireless power transfer
Wireless Power TransferThis paper proposes a bidirectional wireless power conversion system that integrates the functions of a power amplifier (PA) and a rectifier at a frequency of 2.45 GHz.
Xian Zhang +4 more
doaj +1 more source
Analysis and Experiment on Multi-Antenna-to-Multi-Antenna RF Wireless Power Transfer
IEEE Access, 2021 In this paper, we provide a tool for predicting the power transfer efficiency of radio-frequency (RF) wireless power transfer (WPT). With its capability of long-range wireless power transfer, RF WPT is considered as a very promising recharging technique ...
Je Hyeon Park, Dong In Kim, Kae Won Choi
doaj +1 more source
Novel small-size directional antenna for UWB WBAN/WPAN applications [PDF]
, 2005 This paper presents a novel small-size directional antenna design for ultrawide-band wireless body area networks/wireless personal area networks applications.
Klemm, M +3 more
core +2 more sources
Energizing Emergency Exit Signs with Wireless Energy Transfer
Energies, 2023 Emergency exit lights in public buildings are necessary for safety and evacuation. International safety standards require such lighting in many public places, like airports, schools, malls, hospitals, and other spaces, to prevent human casualties in ...
Mohamed Z. Chaari +4 more
doaj +1 more source