Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Gláucio L. Siqueira"'
Publikováno v:
Journal of Microwaves, Optoelectronics and Electromagnetic Applications, Vol 18, Iss 4, Pp 492-504 (2019)
Abstract In the last decade, various works have demonstrated that a class of artificial material called metamaterials (MTM) can synthesize mu-negative (MNG) media capable of evanescent-wave focusing which largely enhances the magnetic coupling betwee
Externí odkaz:
https://doaj.org/article/b1664bcbe3b94e3887d3bc79f17cf847
Autor:
Uwe R. Villanueva, Gláucio L. Siqueira, Leni J. Matos, Pedro V. G. Castellanos, Leonardo H. Gonsioroski
Publikováno v:
Journal of Microwaves, Optoelectronics and Electromagnetic Applications, Vol 16, Iss 2, Pp 471-480
Abstract This paper deals with the effect of the Single-Input Multiple-Output spatial diversity on the OFDM mobile radio signal propagating in an urban channel. From measurements performed in Rio de Janeiro city, Brazil, by using two receiving antenn
Externí odkaz:
https://doaj.org/article/a24badbae9d3495b808c404c46d94c54
Autor:
José Bruno O. de Araújo, Vanessa P. R. Magri Souza, Tadeu N. Ferreira, Leni J. de Matos, Glaucio L. Siqueira, Jorge M. Souza, Maurício W. B. da Silva
Publikováno v:
Journal of Microwaves, Optoelectronics and Electromagnetic Applications, Vol 19, Iss 1, Pp 118-128 (2020)
Abstract This paper presents a microstrip phased array using High Impedance Surface - Electromagnetic Bandgap (HIS-EBG) in order to minimize the effects of mutual coupling among the antenna elements. Each element of the array is fed by a coaxial cabl
Externí odkaz:
https://doaj.org/article/3bd5d5c6b85744179e3c8d2ebceda355
Autor:
Rogério M. L. Silva, Glaucio L. Siqueira, Leonardo H. Gonsioroski, Carlos Rodriguez Vinicio Ron
Publikováno v:
Journal of Microwaves, Optoelectronics and Electromagnetic Applications, Vol 12, Iss 1, Pp 1-14
In this paper, we present a comparison between OFDM and STDCC sounding techniques used to wide band channel characterization in suburban environments at 3.5 GHz band. Measurements of the received signal's power delay profile and power level for each
Externí odkaz:
https://doaj.org/article/b77cc429965247c7b600f7474a467bac
Conference
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Conference
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Publikováno v:
Journal of Microwaves, Optoelectronics and Electromagnetic Applications, Vol 13, Iss 1, Pp 97-110 (2014)
Based on signal measurements carried out in the 5.8 GHz band, which is reserved for unlicensed WiMAX in Brazil, this paper evaluates narrowband and wideband characteristics on the suburban area of Tanguá city in Rio de Janeiro State. Fading statisti
Externí odkaz:
https://doaj.org/article/8ffbd61313534ca2b992f10251196ccd
Publikováno v:
Journal of Microwaves, Optoelectronics and Electromagnetic Applications, Vol 13, Iss 1, Pp 97-110
Based on signal measurements carried out in the 5.8 GHz band, which is reserved for unlicensed WiMAX in Brazil, this paper evaluates narrowband and wideband characteristics on the suburban area of Tanguá city in Rio de Janeiro State. Fading statisti
Externí odkaz:
https://doaj.org/article/758585d1614b4dd78bf1df089f56bc18