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Spectral Efficiency and Energy Efficiency Tradeoff in Massive MIMO Downlink Transmission with Statistical CSIT [PDF]

open access: green, 2020
As a key technology for future wireless networks, massive multiple-input multiple-output (MIMO) can significantly improve the energy efficiency (EE) and spectral efficiency (SE), and the performance is highly dependant on the degree of the available ...
Gao, Xiqi   +4 more
core   +2 more sources

Proteomic and Transcriptomic Analysis for Identification of Endosymbiotic Bacteria Associated with BYDV Transmission Efficiency by Sitobion miscanthi [PDF]

open access: yesPlants, 2022
Sitobion miscanthi, an important viral vector of barley yellow dwarf virus (BYDV), is also symbiotically associated with endosymbionts, but little is known about the interactions between endosymbionts, aphid and BYDV.
Wenjuan Yu   +6 more
doaj   +2 more sources

Epichloë seed transmission efficiency is influenced by plant defense response mechanisms. [PDF]

open access: goldFront Plant Sci, 2022
Zhang W   +11 more
europepmc   +3 more sources

A review on online state of charge and state of health estimation for lithium-ion batteries in electric vehicles

open access: yesEnergy Reports, 2021
With electric vehicles (EVs) being widely accepted as a clean technology to solve carbon emissions in modern transportation, lithium-ion batteries (LIBs) have emerged as the dominant energy storage medium in EVs due to their superior properties, like ...
Zuolu Wang   +4 more
doaj   +1 more source

Fault Diagnosis of Rolling Bearing Using Improved Wavelet Threshold Denoising and Fast Spectral Correlation Analysis

open access: yesShock and Vibration, 2021
Rolling bearings are important parts of mechanical equipment. However, the early failures of the bearing are usually masked by heavy noise. This brings about difficulties to the extraction of its fault features.
Shaoning Tian   +5 more
doaj   +1 more source

Coil Offset Based Wireless Power Transfer System Parameter Optimization

open access: yesZhongguo dianli, 2021
In a magnetic coupling resonant wireless power transmission system, the relative position of the system coil is one of the main factors affecting its transmission performance.
Xiaojuan CHEN, Min JIA, Mingchen LI
doaj   +1 more source

Vibration Characteristics of Rolling Element Bearings with Different Radial Clearances for Condition Monitoring of Wind Turbine

open access: yesApplied Sciences, 2020
Rolling element bearing is a vital component in rotating machinery, such as a wind turbine (WT) system. By accurately monitoring its health condition, the faults can be detected at an early stage, providing sufficient lead time to perform maintenance and
Minmin Xu   +4 more
doaj   +1 more source

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