Výsledky vyhledávání

Electromagnetic Field Exposure Assessment in a Multi Source Telecommunication Environment

Autor: X. L. Travassos, S.L. Avila, Nathan Ida, S. Grubisic, A. Linhares

Publikováno v: Wireless Personal Communications. 110:2213-2225

RF-EMF exposure assessment carried out in an observatory open for general public visits, where there are multiple RF sources in the surrounding area. Fields at some points of interest have exceeded the ICNIRP exposure limits for the general public an

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0864669559146c1fb06a07a51cde581f
https://doi.org/10.1007/s11277-019-06838-5

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Akademický článek

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Akademický článek

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Association of a PSO Optimizer With a Quasi-3D Ray-Tracing Propagation Model for Mono and Multi-Criterion Antenna Positioning in Indoor Environments

Autor: S. Grubisic, João P. A. Bastos, W.P. Carpes, G. Santos

Publikováno v: IEEE Transactions on Magnetics. 49:1645-1648

This paper presents the association of a particle swarm optimization (PSO) optimization tool with a quasi-3D ray-tracing propagation model for both mono and multi-criterion antenna positioning in indoor environments. The association was applied for a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::eeda84a5966ca479de5d9d4f8898b3cf
https://doi.org/10.1109/tmag.2013.2243831

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EMF exposure assessment in proximity to metallic parapets

Autor: X. L. Travassos, S. Grubisic, W.P. Carpes, A. Linhares, T. B. Moura

Publikováno v: 2016 IEEE Conference on Electromagnetic Field Computation (CEFC).

This paper presents RF-EMF exposure assessment carried out in an observatory recently opened for general public visitation, where there are many RF sources in the surrounding area. Some points of interest have exceeded the ICNIRP exposure limits for

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f3e2b85989f20eba0303f50a4c3f5201
https://doi.org/10.1109/cefc.2016.7816382

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Optimization Model for Antenna Positioning in Indoor Environments Using 2-D Ray-Tracing Technique Associated to a Real-Coded Genetic Algorithm

Autor: W.P. Carpes, João P. A. Bastos, S. Grubisic

Publikováno v: IEEE Transactions on Magnetics. 45:1626-1629

This paper presents a coverage prediction model using the 2-D ray-tracing technique associated to a real-coded mono-objective Genetic Algorithm for optimizing the base station antenna location in an indoor environment. The model was applied in two ex

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::02ce73167a6b4de945edf41968326fb9
https://doi.org/10.1109/tmag.2009.2012760

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Ray-tracing propagation model using image theory with a new accurate approximation for transmitted rays through walls

Autor: C.B. Lima, W.P. Carpes, S. Grubisic, Patrick Kuo-Peng

Publikováno v: IEEE Transactions on Magnetics. 42:835-838

This paper presents a new model for prediction of wave propagation in indoor and outdoor environments. The method is based on two-dimensional ray-tracing techniques using image theory to determine all valid paths. The computation of fields is based o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8952a671454ed94b041beb67dda9ee5f
https://doi.org/10.1109/tmag.2006.871673

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Akademický článek

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Study of a jamming system positioning using 2D Ray-Tracing technique associated with a Multi-Objective Particle Swarm Optimizer

Autor: João P. A. Bastos, G. Santos, W.P. Carpes, S. Grubisic

Publikováno v: Digests of the 2010 14th Biennial IEEE Conference on Electromagnetic Field Computation.

In this paper we present a model to study the positioning of jamming systems, using the 2D Ray-Tracing technique associated with a Multi-Objective Particle Swarm Optimizer. The method was applied in a hypothetical scenario, where the Multi-Objective

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4b81e5e7259cd9d71cffdcd903b35867
https://doi.org/10.1109/cefc.2010.5481468

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