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Mahta Moghaddam32
Estimated H-index: 32
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Marshed Mohamed1
Estimated H-index: 1
(Norwegian University of Science and Technology),
Michael Cheffena10
Estimated H-index: 10
(Norwegian University of Science and Technology)
+ 1 AuthorsArild Moldsvor1
Estimated H-index: 1
(Norwegian University of Science and Technology)
The use of indoor wireless devices has substantially increased in recent years. This escalation is due to the expansion of traditional communication devices, such as mobile phones and laptop computers, to less traditional ones, such as wirelessly communicating sensor nodes present in smart homes, office buildings, and industrial environments. The placement of these nodes varies considerably from one application to the next, but, when the nodes are placed indoors and within the vicinity of human ...
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Agnese Mazzinghi6
Estimated H-index: 6
(University of Florence),
Angelo Freni14
Estimated H-index: 14
(University of Florence)
+ 2 AuthorsMatteo Albani19
Estimated H-index: 19
(University of Siena)
Preventing accidents at level crossings is a global-size problem. Despite all the European railways having planned to replace them with underpasses or overpasses, it is expected that, for the next 20 years, there will still be a strong need for additional automatic protection to be achieved with, for example, a radar detection system. In this article, we present and compare the different antenna solutions that have been designed and manufactured for a 77-GHz level-crossing monitoring frequency-m...
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Andrea Francesco Morabito15
Estimated H-index: 15
(Mediterranea University of Reggio Calabria),
Loreto Di Donato8
Estimated H-index: 8
(University of Catania),
Tommaso Isernia32
Estimated H-index: 32
(Mediterranea University of Reggio Calabria)
In this article, we propose a method based on the aperture antennas theory to understand the limitations of orbital angular momentum (OAM) antennas in far-field links. Additional insight is also given by analyzing the properties of the operators relating source and farfield distributions for a given order of the vortex and emphasizing additional drawbacks. The degrees-of-freedom (DoF) of the fields associated with the different orders of the vortices are also discussed.
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