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showing 3 items of 443 documents

Energy Efficient Optimization for Wireless Virtualized Small Cell Networks With Large-Scale Multiple Antenna

2017

Wireless network virtualization is envisioned as a promising framework to provide efficient and customized services for next-generation wireless networks. In wireless virtualized networks (WVNs), limited radio resources are shared among different services providers for providing services to different users with heterogeneous demands. In this paper, we propose a resource allocation scheme for an orthogonal frequency division multiplexing-based WVN, where one small cell base station equipped with a large number of antennas serves the users with different service requirements. In particular, with the objective to obtain the energy efficiency in the uplink, a joint power, subcarrier, and antenn…

wireless networksWi-Fi arrayvirtualisointioptimisationenergiatehokkuusComputer scienceOrthogonal frequency-division multiplexing02 engineering and technologylangaton tiedonsiirtoBase stationoptimointi0203 mechanical engineeringvirtualisationTelecommunications link0202 electrical engineering electronic engineering information engineeringWirelessResource managementElectrical and Electronic EngineeringRadio resource managementenergy efficiencyta213business.industryWireless networkwireless data transmissionsmall cell020302 automobile design & engineering020206 networking & telecommunicationsResource allocationMulti-frequency networkSmall cellbusinesslangattomat verkotlarge scale multiple antenna systemEfficient energy useComputer networkIEEE Transactions on Communications
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La organización del trabajo por proyectos: La fábrica de la precariedad laboral

2019

The project-based organization, considered as a radical reorganization of work around one or more simultaneous projects, is nowadays widespread in large companies and public administrations. According to the managerial way of thinking, this system would be virtuous: by giving more autonomy to the employees in the act of production and by developing their skills through mobility and interdisciplinarity of work teams, it would be able to arouse their full commitment. This study confirms in some way how this opinion has been imposed, but at the expense of precarious working conditions, increasing the dedication of employees and silencing any form of criticism. The research is based on a review…

work organisationprecariousness 119 1241137-7038 8537 Arxius de sociologia 525290 2019 40 7038146 La organización del trabajo por proyectos: La fábrica de la precariedad laboral Goussardbut at the expense of precarious working conditionsby giving more autonomy to the employees in the act of production and by developing their skills through mobility and interdisciplinarity of work teams [this system would be virtuous]Lucie The project-based organizationorganización del trabajoincreasing the dedication of employees and silencing any form of criticism. The research is based on a review of the literature and 50 interviews with technicianshealthconsidered as a radical reorganization of work around one or more simultaneous projects:SOCIOLOGÍA [UNESCO]is nowadays widespread in large companies and public administrations. According to the managerial way of thinkingProject-based organizationthis system would be virtuous: by giving more autonomy to the employees in the act of production and by developing their skills through mobility and interdisciplinarity of work teamssaludUNESCO::SOCIOLOGÍAit would be able to arouse their full commitment. This study confirms in some way how this opinion has been imposedLa fábrica de la precariedad laboral Goussard [1137-7038 8537 Arxius de sociologia 525290 2019 40 7038146 La organización del trabajo por proyectos]precariedadwhere project-based organization is widespread. The links between this organization of work and precariousness are one of the results that stand out after the investigation. trabajo por proyectosengineers and industrial design executives working in a large company in the French automotive industry
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Recognizing Video Resolution by Monitoring Memory Metrics in Mobile Clients

2019

Content delivery is one of the most successful applications in mobile networks. Mobile edge servers are significantly contributing to the improvement of this type of applications, by also performing resolution adaptations as a function of the radio link quality observed by the users. In this paper, we face the problem of dynamically tracking the perceived video resolution by mobile clients in a mobile edge environment to guarantee an agreed Service Level Agreement (SLA). To this purpose, we propose a protocol-agnostic approach, based on monitoring some memory metrics of a running video streaming process at the mobile client, for identifying the time-varying resolution of the video content.

working set size mobile edge computing video resolution MLP networks memory metricsMobile edge computingSettore ING-INF/03 - TelecomunicazioniComputer sciencebusiness.industryRadio Link ProtocolWorking set sizeProcess (computing)Display resolutionlaw.inventionService-level agreementlawServerEnhanced Data Rates for GSM EvolutionbusinessComputer network2019 Fourth International Conference on Fog and Mobile Edge Computing (FMEC)
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