Results 21 to 30 of about 879,091 (323)
Design and control of a bidirectional wireless charging system using GaN devices [PDF]
, 2019 Most of the existing wireless power transfer system works in unidirectional with one-direction control signals. This paper presents a bidirectional wireless charging system with duplex communication method, which is not only able to achieve the two-way ...
Gu, Bowen +4 more
core +2 more sources
Design of UAV wireless power transmission system based on coupling coil structure optimization
EURASIP Journal on Wireless Communications and Networking, 2020 With the development of unmanned aerial vehicle (UAV), it has been used in many fields, such as aerial photography, military, and transportation. However, it is a challenge for charging due to its short battery life. Wireless charging has been considered
Yixin Yan, Wan Shi, Xiaobing Zhang
semanticscholar +1 more source
Antenna array design by a contraction adaptive particle swarm optimization algorithm
EURASIP Journal on Wireless Communications and Networking, 2019 Massive multiple input multiple output (MIMO) has drawn intensive attention of researchers for solving huge data transmissions in the fifth generation wireless communication.
Xin Zhang +3 more
doaj +1 more source
Spectral Efficiency Improvement and Power Control Optimization of Massive MIMO Networks
IEEE Access, 2021 Higher requirements must be put forward about wireless signal transmission in harsh environments. Energy loss mitigation, channel estimation, noise interference reduction demands high quality of service in wireless communication.
Xiu Zhang, Hao Qi, Xin Zhang, Liang Han
doaj +1 more source
IOP Conference Series: Materials Science and Engineering, 2019 Abstract In recent days, Wireless Power Transfer (WPT) and harvesting energy received lots of attentions due to the necessity of having a flexible, suitable and secure source of energy. With the explosion of wireless technologies including wireless sensor network (WSN) like internet of things, such intelligent systems had highlighted ...
V. Bhavya Keerthi +2 more
openaire +1 more source
Energy-Efficient Optimization for Wireless Information and Power Transfer in Large-Scale MIMO Systems Employing Energy Beamforming [PDF]
, 2013 In this letter, we consider a large-scale multiple-input multiple-output (MIMO) system where the receiver should harvest energy from the transmitter by wireless power transfer to support its wireless information transmission.
Chen, Xianfu +2 more
core +1 more source
Investigation of a novel structure for 6PolSK-QPSK modulation
EURASIP Journal on Wireless Communications and Networking, 2017 Benefiting from the high spectrum efficiency and power efficiency, 6PolSK-QPSK (6-ary polarization-shift keying quadrature phase-shift keying) is a promising modulation format in coherent optical communication.
Yupeng Li +3 more
doaj +1 more source
Energy Reports, 2022 The traditional wired charging of robot has the disadvantages of inconvenient charging and manual operation for electrical connection. With the continuous development of radio power transmission, the disadvantages of wired charging are overcome, and the ...
Wenlan Gong +5 more
doaj +1 more source
Experiments Validating the Effectiveness of Multi-point Wireless Energy Transmission with Carrier Shift Diversity [PDF]
, 2014 This paper presents a method to seamlessly extend the coverage of energy supply field for wireless sensor networks in order to free sensors from wires and batteries, where the multi-point scheme is employed to overcome path-loss attenuation, while the ...
Araki, Kiyomichi +4 more
core +1 more source
EURASIP Journal on Wireless Communications and Networking, 2017 Ultra-wideband (UWB) radar with strong anti-jamming performance and high-range resolution can be used to separate multiple human targets in a complex environment.
Wei Wang, Min Zhang, Dan Wang, Yu Jiang
doaj +1 more source