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Analysis of electromagnetic propagation of 5 scenarios in Mexico City

Jorge Sosa-Pedroza, Fabiola Martínez-Zúñiga, María Elena Acevedo-Mosqueda
2015 IEEE Latin-American Conference on Communications  
We present a study of electromagnetic attenuation over different environments of Mexico City, for an empirical modification of Free Space Attenuation (FSA).  ...  Our work uses results of in-site measurements in different places in the city. We intend to measure attenuation in different places to compare and validate modification of FSA.  ...  We think that 5 dB differences is a good margin, to predict propagation of mobile communication systems over an environment as Mexico City.  ... 
dblp:conf/latincom/Sosa-PedrozaMA15 fatcat:45icznf5nncsbhznn2dbbreaf4

Performance Evaluation and Interference Characterization of Wireless Sensor Networks for Complex High-Node Density Scenarios

Mikel Celaya-Echarri, Leyre Azpilicueta, Peio Lopez-Iturri, Erik Aguirre, Francisco Falcone
2018 Proceedings (MDPI)  
In this work, radio wave propagation characterization in an urban indoor and outdoor environment, at ISM 2.4 GHZ and 5 GHz Wireless Sensor Networks (WSNs), has been assessed.  ...  By means of an in-house developed 3D ray launching algorithm, the impact of variable density wireless sensor network operation within this complex scenario is presented.  ...  Conflicts of Interest: The authors declare no conflict of interest. The statements made herein are solely the responsibility of the authors.  ... 
doi:10.3390/ecsa-5-05729 fatcat:v6jgux3otjhlngt6pznd3kbnne

Seismic Damage Estimation in Buried Pipelines Due to Future Earthquakes – The Case of the Mexico City Water System [chapter]

Omar A., Mario Ordaz
2012 Earthquake-Resistant Structures - Design, Assessment and Rehabilitation  
University of Mexico (UNAM).  ...  Acknowledgements This research has been partially funded by the Energy and Infrastructure Analysis (D-4) group at Los Alamos National Laboratory and the Institute of Engineering of the National Autonomous  ...  Earthquakes -The Case of the Mexico City Water SystemTable 2.  ... 
doi:10.5772/29358 fatcat:ea2lmjutubbtbbiy65ht7wnhsy

Design and Empirical Validation of a Bluetooth 5 Fog Computing Based Industrial CPS Architecture for Intelligent Industry 4.0 Shipyard Workshops

Paula Fraga-Lamas, Peio Lopez-Iturri, Mikel Celaya-Echarri, Oscar Blanco-Novoa, Leyre Azpilicueta, Jose Varela-Barbeito, Francisco Falcone, Tiago M. Fernandez-Carames
2020 IEEE Access  
scenarios.  ...  The deployment of the ICPS is a unique industrial challenge in terms of communications, since in a pipe workshop there is a significant number of metallic objects with heterogeneous typologies.  ...  in scenarios that are hostile for electromagnetic propagation [4] .  ... 
doi:10.1109/access.2020.2978291 fatcat:b535mf3f7zg75epd26oo4alvfq

Rain effect on 4G LTE in-car electromagnetic propagation analyzed through MDT radio data measurement reported by mobile phones

D. Micheli, G. Muratore, A. Vannelli, A. Scaloni, M. Sgheiz, P. Cirella
2021 IEEE Transactions on Antennas and Propagation  
Mobile networks evolution is strictly related to connected cars evolution, making in-car propagation modelling and analysis a key enabler in the forthcoming telecommunication competition scenario.  ...  Index Terms-Electromagnetic propagation, LTE, Minimization of drive test, MDT, 4G, 5G, Mobile phone, Rain effect on propagation.  ...  context information that are relevant to enrich geographical MDT analysis.  ... 
doi:10.1109/tap.2021.3090505 fatcat:eiwigwptjbcqldx2synegowrym

Spatial characterization of personal RF-EMF exposure in public transportation buses

Mikel Celaya-Echarri, Leyre Azpilicueta, Peio Lopez-Iturri, Erik Aguirre, Silvia de Miguel-Bilbao, Victoria Ramos, Francisco Falcone
2019 IEEE Access  
In this way, relevant phenomena in terms of electromagnetic propagation and interaction are considered, such as multipath propagation and shadowing, which determine exposure levels as a function of transceiver  ...  The use of deterministic simulation techniques based on 3D-RL enables E-field exposure analysis in complex indoor scenarios, offering an optimized balance between accuracy and computational cost.  ...  His research interests include computational electromagnetics applied to the analysis of complex electromagnetic scenarios with a focus on the analysis, design, and implementation of heterogeneous wireless  ... 
doi:10.1109/access.2019.2903405 fatcat:lf36zkxrv5fkjna7cejqvqyoty

Implementation of an Interactive Environment with Multilevel Wireless Links for Distributed Botanical Garden in University Campus

Hicham Klaina, Imanol Picallo, Peio Lopez-Iturri, Jose Javier Astrain, Leyre Azpilicueta, Otman Aghzout, Ana Vazquez Alejos, Francisco Falcone
2020 IEEE Access  
Coverage studies have been performed in order to assess communication capabilities in the set of multiple underground/near ground/over ground links, by means of deterministic channel analysis for the complete  ...  Detailed analysis of these multilevel communication links is performed by using deterministic volumetric wireless channel estimation and considering underground, near ground and over ground radio propagation  ...  TABLE 5 . 5 3D RL material properties for the campus scenario. 2012 for Technological Innovation. He is a member of the Institute of Smart Cities, UPNA.  ... 
doi:10.1109/access.2020.3010032 fatcat:g3lm2zeqlna7fdigt7gjgancja

From 2G to 5G Spatial Modeling of Personal RFEMF Exposure within Urban Public Trams

Mikel Celaya-Echarri, Leyre Azpilicueta, Jolanta Karpowicz, Victoria Ramos, Peio Lopez-Iturri, Francisco Falcone
2020 IEEE Access  
In consequence, a simulationbased analysis methodology for dosimetry estimation is provided, aiding in the assessment of current and future cellular deployments in complex heterogeneous vehicular environments  ...  Specifically, frequency bands in the range of 5G NR frequency range 1 (FR1) and millimeter wave (mm-wave) bands within frequency range 2 (FR2) have been analyzed for 5G scenarios, considering their dispersive  ...  His research interests include computational electromagnetics applied to the analysis of complex electromagnetic scenarios, with a focus on the analysis, design, and implementation of heterogeneous wireless  ... 
doi:10.1109/access.2020.2997254 fatcat:5see5z6zlfh7lnu25ybluwgle4

Planning Factors for Digital Local Broadcasting in the 26 MHz Band

Iván Pena, Thomas Lauterbach, Pablo Angueira, Amaia Arrinda, Jose María Matias, David de la Vega, Manuel M. Velez, Claudio Re, Friederike Maier
2011 IEEE transactions on broadcasting  
The 26 MHz band is currently allocated for international broadcasting by means of the ionospheric propagation.  ...  According to this, local coverage is viable in this part of the spectrum, as proved the field trials and studies carried out in the last years.  ...  R: Cell Radius, D: Co-channel distance Fig. 3 . 3 Service scenarios for local broadcasting in the 26 MHz band Fig. 5 . 5 Prediction curves of the Es layer interference level transmitting antenna  ... 
doi:10.1109/tbc.2010.2100154 fatcat:alrkzbjbenehrnannrev72zyvm

Empirical and Modeling Approach for Environmental Indoor RF-EMF Assessment in Complex High-Node Density Scenarios: Public Shopping Malls Case Study

Mikel Celaya-Echarri, Leyre Azpilicueta, Victoria Ramos, Peio Lopez-Iturri, Francisco Falcone
2021 IEEE Access  
incremental high-node user dense scenarios in worst case conditions, by means of a deterministic in-house 3D Ray-Launching (3D-RL) RF-EMF safety simulation technique, showing good agreement with the experimental  ...  This work provides an intensive and comprehensive in-depth study from an empirical and modeling approach of the environmental radiofrequency electromagnetic fields (RF-EMF) radiation exposure in public  ...  Acknowledgments This work was supported in part by the School of Engineering and Sciences at Tecnologico de Monterrey, and in part by the Ministerio de Ciencia, Innovación y Universidades, Gobierno de  ... 
doi:10.1109/access.2021.3067852 fatcat:bicmoqkxnzhsxftomtccelsv4e

Performance Evaluation and Interference Characterization of Wireless Sensor Networks for Complex High-Node Density Scenarios

Celaya-Echarri, Azpilicueta, López-Iturri, Aguirre, Falcone
2019 Sensors  
The selected scenario is an auditorium placed in an open free city area surrounded by inhomogeneous vegetation.  ...  In this work, radio wave propagation characterization in an urban indoor and outdoor wireless sensor network environment has been assessed, at ISM 2.4 GHz and 5 GHz frequency bands.  ...  Conflicts of Interest: The authors declare no conflict of interest. The statements made herein are solely the responsibility of the authors.  ... 
doi:10.3390/s19163516 fatcat:tuwphsjb4vfynocd6uvrfe4peq

Effects of magnetite on high-frequency ground-penetrating radar

Remke L. Van Dam, Jan M. H. Hendrickx, Nigel J. Cassidy, Ryan E. North, Mine Dogan, Brian Borchers
2013 Geophysics  
electromagnetic properties of magnetite-silica mixtures.  ...  Laboratory experiments were conducted to study how homogeneous magnetite-sand mixtures and magnetite concentrated in layers affect the propagation behavior (velocity, attenuation) of high-frequency GPR  ...  However because these reflections are of very low amplitude and start after 5 ns, they do not impact our analysis of the bottom reflection significantly.  ... 
doi:10.1190/geo2012-0266.1 fatcat:ajrvoow3bjcvvghjebheo4y2lq

Basketball Player On-Body Biophysical and Environmental Parameter Monitoring Based on Wireless Sensor Network Integration

I. Picallo, P. Lopez-Iturri, J. J. Astrain, E. Aguirre, L. Azpilicueta, Mikel Celaya-Echarri, J. Villadangos, F. Falcone
2021 IEEE Access  
Wireless channel analysis results have been obtained with the aid of in house implemented deterministic 3D ray launching algorithm, providing accurate coverage/capacity estimations in relation with human  ...  Sport activities have benefited in recent years from the progressive adoption of different technological assets in order to improve individual as well as group training, collect different statistics or  ...  They also gratefully thank the kind and patient collaboration of the CBS San Jorge Sanduzelai team.  ... 
doi:10.1109/access.2021.3054990 fatcat:gqybfyddrnewllresdl727spvu

Doppler spectrum measurements of vehicular radio channels using a narrowband sounder

Carlos A. Gómez Vega, Carlos A. Gutiérrez, Jose J. Jaime Rodriguez, Javier Vazquez Castillo, Daniel U. Campos Delgado, Jose M. Luna Rivera, Miguel A. Díaz Ibarra
2019 Revista Facultad de Ingeniería  
(V2I) multipath radio channels in the 700 MHz band.  ...  This paper describes the implementation of a narrowband sounder for Doppler power spectrum (DPS) measurements of vehicular communication channels.  ...  The measurement campaign was carried out in the city of San Luis Potosí, Mexico, in a location near the main campus of the Universidad Autónoma de San Luis Potosí.  ... 
doi:10.17533/10.17533/udea.redin.20190405 fatcat:yrxyhxjrrncizbly75zx6dgikm

Deterministic 3D Ray-Launching Millimeter Wave Channel Characterization for Vehicular Communications in Urban Environments

Fidel Alejandro Rodríguez-Corbo, Leyre Azpilicueta, Mikel Celaya-Echarri, Peio Lopez-Iturri, Imanol Picallo, Francisco Falcone, Ana Vazquez Alejos
2020 Sensors  
Multiple mmWave V2X links has been modeled for a complex heterogeneous urban scenario in order to capture and analyze different propagation phenomena, providing full volumetric estimation of frequency/  ...  The proposed methodology provides accurate wireless channel estimation within the complete volume of the scenario under analysis, considering detailed topological characteristics.  ...  Conflicts of Interest: The authors declare no conflict of interest. The statements made herein are solely the responsibility of the authors.  ... 
doi:10.3390/s20185284 pmid:32947776 pmcid:PMC7570788 fatcat:zjvviygntngttk5bk7c76zv7j4
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