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- Sah, Dinesh Kumar, et al.
(författare)
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Secured Wireless Energy Transfer for the Internet of Everything in Ambient Intelligent Environments
- 2022
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Ingår i: IEEE Internet of Things Magazine. - : Institute of Electrical and Electronics Engineers (IEEE). - 2576-3180 .- 2576-3199. ; 5:1, s. 62-66
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Tidskriftsartikel (refereegranskat)abstract
- The Internet of Everything (IoE), as the primary driving force in our society's digital transformation, constitutes resource-constrained physical objects connected as a network. Energy provisioning is one of the bottlenecks to these resource-constrained devices because they operate using limited power batteries. Wireless energy transfer (WET) is a promising technology to address the issue because it can transfer power without any physical connection between the energy-constrained devices and the power sources. WET is equipped with an unmanned aerial vehicle (UAV), and it can travel in an ambient intelligence environment (AIE) to recharge the batteries of IoE. There are several challenges imposed while scheduling the UAVs for charging and discharging in the AIE. In this context, this article discusses various challenges imposed while scheduling the WET-equipped UAVs in the network, including privacy and security vulnerabilities. This article also compares the performance variance while using different energy sources for WET, along with the future scope.
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| 2. |
- Ahmed, S, et al.
(författare)
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Do employer-sponsored health insurance schemes affect the utilisation of medically trained providers and out-of-pocket payments among ready-made garment workers? A case-control study in Bangladesh
- 2020
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Ingår i: BMJ open. - : BMJ. - 2044-6055. ; 10:3, s. e030298-
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Tidskriftsartikel (refereegranskat)abstract
- We estimated the effect of an employer-sponsored health insurance (ESHI) scheme on healthcare utilisation of medically trained providers and reduction of out-of-pocket (OOP) expenditure among ready-made garment (RMG) workers.DesignWe used a case–control study design with cross-sectional preintervention and postintervention surveys.SettingsThe study was conducted among workers of seven purposively selected RMG factories in Shafipur, Gazipur in Bangladesh.ParticipantsIn total, 1924 RMG workers (480 from the insured and 482 from the uninsured, in each period) were surveyed from insured and uninsured RMG factories, respectively, in the preintervention (October 2013) and postintervention (April 2015) period.InterventionsWe tested the effect of a pilot ESHI scheme which was implemented for 1 year.Outcome measuresThe outcome measures were utilisation of medically trained providers and reduction of OOP expenditure among RMG workers. We estimated difference-in-difference (DiD) and applied two-part regression model to measure the association between healthcare utilisation, OOP payments and ESHI scheme membership while controlling for the socioeconomic characteristics of workers.ResultsThe ESHI scheme increased healthcare utilisation of medically trained providers by 26.1% (DiD=26.1; p<0.01) among insured workers compared with uninsured workers. While accounting for covariates, the effect on utilisation significantly reduced to 18.4% (p<0.05). The DiD estimate showed that OOP expenditure among insured workers decreased by −3700 Bangladeshi taka and -1100 Bangladeshi taka compared with uninsured workers when using healthcare services from medically trained providers or all provider respectively, although not significant. The multiple two-part models also reported similar results.ConclusionThe ESHI scheme significantly increased utilisation of medically trained providers among RMG workers. However, it has no significant effect on OOP expenditure. It can be recommended that an educational intervention be provided to RMG workers to improve their healthcare-seeking behaviours and increase their utilisation of ESHI-designated healthcare providers while keeping OOP payments low.
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