Results 91 to 100 of about 39,888 (254)
Role of phase breaking processes on resonant spin transfer torque nano-oscillators
AIP Advances, 2018 Spin transfer torque nano-oscillators (STNOs) based on magnetoresistance and spin transfer torque effects find potential applications in miniaturized wireless communication devices.
Abhishek Sharma +2 more
doaj +1 more source
JamLab: Augmenting Sensornet Testbeds with Realistic and Controlled Interference Generation [PDF]
, 2011 Radio interference drastically affects the performance of sensor-net communications, leading to packet loss and reduced energy-efficiency. As an increasing number of wireless devices operates on the same ISM frequencies, there is a strong need for ...
Boano, Carlo Alberto +4 more
core +1 more source
Gallium Nitride Semiconductor Resonant Tunneling Transistor
Advanced Science, EarlyView.Three‐terminal GaN semiconductor resonant tunneling transistors (RTTs), which comprise an double‐barrier AlN/GaN/AlN resonant tunneling diode integrated with a GaN high‐electron‐mobility transistor (HEMT) through epitaxial growth in series and parallel configuraions, respectively.
Fang Liu +15 more
wiley +1 more source
Waveform Optimization for Large-Scale Multi-Antenna Multi-Sine Wireless Power Transfer
, 2016 Wireless power transfer (WPT) is expected to be a technology reshaping the landscape of low-power applications such as the Internet of Things, machine-to-machine communications and radio frequency identification networks.
Clerckx, Bruno, Huang, Yang
core +1 more source
Advanced Science, EarlyView.This work provides a multifunctional programmable transmissive metasurface with phase and amplitude manipulation capability in the sub‐6G band. By applying different coding strategies, the proposed metasurface can realize vortex beam generation, holographic imaging under phase coding mode, and multi‐beam forming in phase‐amplitude joint coding mode ...
Hao Tian Shi +8 more
wiley +1 more source
EVM as generic QoS trigger for heterogeneous wieless overlay network
, 2010 Fourth Generation (4G) Wireless System will integrate heterogeneous wireless overlay systems i.e. interworking of WLAN/ GSM/ CDMA/ WiMAX/ LTE/ etc with guaranteed Quality of Service (QoS) and Experience (QoE).QoS(E) vary from network to network and is ...
Kumar, Rajender, Singh, Brahmjit
core +1 more source
Advanced Science, EarlyView.This study introduces a novel metamaterial absorber integrating water as a lossy medium with patterned indium tin oxide (ITO) films to achieve simultaneous optical transparency and ultra‐wideband electromagnetic absorption over 0.52‐40 GHz. It effectively overcomes the limitations of conventional opaque and bulky shielding materials, offering a ...
Xiaojun Huang +5 more
wiley +1 more source
Non‐Equilibrium Synthesis Methods to Create Metastable and High‐Entropy Nanomaterials
Advanced Science, EarlyView.ABSTRACT Stabilizing multiple elements within a single phase enables the creation of advanced materials with exceptional properties arising from their complex composition. However, under equilibrium conditions, the Hume–Rothery rules impose strict limitations on solid‐state miscibility, restricting combinations of elements with mismatched crystal ...
Shuo Liu +3 more
wiley +1 more source
Introduction to the May 2025 Issue
IEEE Journal of MicrowavesOur May issue contains eighteen technical articles spanning magnetic resonance imaging (MRI) induced heating, implantable medical devices, human skin modelling in the microwave region, energy harvesting for electric vehicles, fully integrated THz radar ...
Peter H. Siegel
doaj +1 more source
On the Deployment of Distributed Antennas of Power Beacon in Wireless Power Transfer
IEEE Access, 2018 Wireless power transfer (WPT) has drawn significant attention in the last decade and more and more literatures are arising on related research topics such as microwave power transfer and wireless powered communications network.
Chao Zhang, Guanghe Zhao
doaj +1 more source