Search results for "non-stationary indoor channels"

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Estimation of the Time-Variant Velocity of a Single Walking Person in Two-Dimensional Non-Stationary Indoor Environments Using Radio-Frequency Techni…

2020

Accurate estimation of the time-variant (TV) velocity of moving persons/objects in indoor spaces is of crucial importance for numerous wireless indoor applications. This article introduces a novel iterative procedure to estimate the TV velocity, i.e., TV speed and TV angle-of-motion (AOM), of a single moving person in 2D indoor environments by using radio-frequency (RF) techniques. The indoor area is equipped with a distributed 2 × 2 multiple-input multiple-output (MIMO) system. The proposed method is divided into two parts. In the first part, we estimate the path gains and the instantaneous Doppler frequencies by fitting the exact spectrograms of the complex channel gains of a 2D no…

time-variant velocity estimationEstimationGeneral Computer ScienceComputer scienceReal-time computingGeneral EngineeringDoppler characteristicsdistributed multiple-input multiple-output systemsnon-stationary indoor channelsGeneral Materials ScienceHuman activity of daily lifelcsh:Electrical engineering. Electronics. Nuclear engineeringRadio frequencylcsh:TK1-9971VDP::Teknologi: 500::Informasjons- og kommunikasjonsteknologi: 550

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PEPhysical Sciences and Engineering
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LSLife Sciences
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