Zobrazeno 1 - 10
of 87
pro vyhledávání: '"Dayan Adionel Guimarães"'
Autor:
Dayan Adionel Guimarães
Publikováno v:
Sensors, Vol 23, Iss 12, p 5403 (2023)
Recently, the Gini index detector (GID) has been proposed as an alternative for data-fusion cooperative spectrum sensing, being mostly suitable for channels with line-of-sight or dominant multi-path components. The GID is quite robust against time-va
Externí odkaz:
https://doaj.org/article/4b423e9deb724e0388027be9601033e2
Publikováno v:
Sensors, Vol 15, Iss 5, Pp 10891-10908 (2015)
Recently, a novel fusion scheme for cooperative spectrum sensing was proposed for saving resources in the control channel. Secondary users (SUs) simultaneously report their decisions using binary modulations with the same carrier frequencies. The tra
Externí odkaz:
https://doaj.org/article/0518790332e2414c9840458dbb8521f1
Publikováno v:
Sensors, Vol 15, Iss 1, Pp 1861-1884 (2015)
Recently, a novel resource-efficient technique for the reporting channel transmissions in cooperative spectrum sensing was proposed. In this technique, secondary users are allowed to simultaneously send their local decisions to the fusion center, sav
Externí odkaz:
https://doaj.org/article/5ae9988fed3f49199a1337b382936808
Autor:
Lucas dos Santos Costa, Dayan Adionel Guimarães, Rausley Adriano Amaral de Souza, Roberto César Dias Vilela Bomfin
Publikováno v:
Sensors, Vol 19, Iss 1, p 51 (2018)
This article addresses the impact of forward error correction when applied to the report channel transmissions of a centralized decision fusion cooperative spectrum sensing scheme designed to detect idle ofdma subchannels. The ofdma signal is transmi
Externí odkaz:
https://doaj.org/article/22c6beb5b05f45b88ae7b5092680c595
Publikováno v:
International Journal of Antennas and Propagation, Vol 2015 (2015)
This paper is concerned with a simple and highly efficient random sequence generator for uncorrelated α-κ-μ and α-η-μ variates. The algorithm may yield an efficiency of almost 100%, and this high efficiency can be reached for all special cases
Externí odkaz:
https://doaj.org/article/be68b92237b14aecb3e43705cc5c49e2
Publikováno v:
International Journal of Antennas and Propagation, Vol 2015 (2015)
The basis of this paper is Wei and Tirkkonen, 2012, in which expressions for the key performance metrics of the sphericity test applied to the multiantenna cooperative spectrum sensing of multiple primary transmitters in cognitive radio networks over
Externí odkaz:
https://doaj.org/article/99278467219b4659a8942eb97659ffb8
Publikováno v:
Sensors, Vol 17, Iss 3, p 654 (2017)
This paper describes a novel scheme for the fusion of spectrum sensing information in cooperative spectrum sensing for cognitive radio applications. The scheme combines a spectrum-efficient, pre-distortion-based fusion strategy with an energy-efficie
Externí odkaz:
https://doaj.org/article/5b31c8c95d8e480096bb2c5a2702b0d9
Autor:
Dayan Adionel Guimarães, Lucas Jun Sakai, Antonio Marcos Alberti, Rausley Adriano Amaral de Souza
Publikováno v:
Sensors, Vol 16, Iss 9, p 1536 (2016)
In this paper, a simple and flexible method for increasing the lifetime of fixed or mobile wireless sensor networks is proposed. Based on past residual energy information reported by the sensor nodes, the sink node or another central node dynamically
Externí odkaz:
https://doaj.org/article/1a585b05c4704576a2960f4058f4d4cc
Publikováno v:
Journal of Communication and Information Systems. 38:34-46
Spectrum sensing in underwater cognitive acoustic networks or in underwater acoustic sensor networks can be impaired by impulsive noise generated by snapping shrimps. In mathematical analysis or simulations, the amplitude variations of this noise are
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::252cf2926c5e6d7cf59e740487a2c17e
https://doi.org/10.14209/jcis.2023.5
https://doi.org/10.14209/jcis.2023.5
Influence of a Direct-Conversion Receiver Model on the Performance of Detectors for Spectrum Sensing
Publikováno v:
Journal of Communication and Information Systems. 36:173-183
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9c753cb42b6e91d76036aa2bf1bd7a58
https://doi.org/10.14209/jcis.2021.19
https://doi.org/10.14209/jcis.2021.19