Zobrazeno 1 - 10
of 32
pro vyhledávání: '"Arismar Cerqueira Sodre"'
Publikováno v:
IEEE Access, Vol 12, Pp 152289-152309 (2024)
This work reports the implementation of a simple and accurate indoor sensing and positioning system using a two-dimensional (2D) Light Detecting and Ranging (LiDAR) to fulfill the vigorous requirements from the Beyond Fifth Generation of mobile netwo
Externí odkaz:
https://doaj.org/article/445520a6ffba44f4bb9ed8854285beef
Autor:
Hugo Rodrigues Dias Filgueiras, Tiago Henrique Brandao, Luiz Augusto Melo Pereira, Arismar Cerqueira Sodre Junior
Publikováno v:
IEEE Open Journal of Antennas and Propagation, Vol 4, Pp 294-302 (2023)
This work proposes a methodology for evaluating the antenna array diversity and resultant radiation pattern from digitally-processed-based beamforming systems. Our approach enables to interpret the advanced antenna systems (AAS) coverage and massive
Externí odkaz:
https://doaj.org/article/378a1ae6f3474203aa1203e0ddb2c94b
Autor:
Marcello Caldano De Melo, Pedro Buarque Santos, Everaldo Faustino, Carmelo J. A. Bastos-Filho, Arismar Cerqueira Sodre
Publikováno v:
IEEE Access, Vol 10, Pp 1860-1870 (2022)
The antenna design is a challenging task, which might be time-consuming using conventional computational methods that typically require high computational capability, due to the need for several sweeps and re-running processes. This work proposes an
Externí odkaz:
https://doaj.org/article/8a470a681e964096921fb1809a67e120
Publikováno v:
IEEE Photonics Journal, Vol 14, Iss 1, Pp 1-8 (2022)
We report the implementation of a full optically-powered 5G new radio (5G NR) fiber-wireless (FiWi) system based on power-over-fiber (PoF) and radio-over-fiber (RoF) technologies. Our approach enables the simultaneous transmission of a 5G NR signal a
Externí odkaz:
https://doaj.org/article/8fd0bfd542f14df8ae98d2e4a00e6030
Autor:
Eduardo Saia Lima, Ramon Maia Borges, Luiz Augusto Melo Pereira, Hugo Rodrigues Dias Filgueiras, Antonio Marcos Alberti, Arismar Cerqueira Sodre
Publikováno v:
IEEE Access, Vol 8, Pp 44381-44390 (2020)
We propose and report the implementation of a multiband and photonically amplified fiber-wireless (FiWi) Xhaul based on radio over fiber (RoF) technology and four-wave mixing (FWM) nonlinear effect, aiming 5G applications. The proposed ultra-wideband
Externí odkaz:
https://doaj.org/article/83f220d011f84245b6fd6f9c8e5e4eec
Autor:
Luiz Felipe Fernandes De Almeida, Jose Rodrigo Dos Santos, Luiz Augusto Melo Pereira, Arismar Cerqueira Sodre, Luciano Leonel Mendes, Joel J. P. C. Rodrigues, Ricardo A. L. Rabelo, Antonio Marcos Alberti
Publikováno v:
IEEE Access, Vol 8, Pp 174049-174079 (2020)
The appeal for more reliable, efficient and resilient power grids has become indispensable with the recent technological development and ever-increasing demand for electrical energy. These goals might be achieved by introducing sensors and actuators
Externí odkaz:
https://doaj.org/article/192490ae8b0d4136a2dd3475f3814214
Publikováno v:
IEEE Access, Vol 8, Pp 135000-135010 (2020)
This work reports a common indoor experimental coexistence performance analysis among 5G New Radio (5G NR), 4G Long Term Evolution Advanced Pro (LTE-A Pro) and Narrowband Internet of Things (NB-IoT), using co-channel and adjacent channels in the 700
Externí odkaz:
https://doaj.org/article/b009492e8a624f5babeab880430eb34c
Autor:
Hugo Rodrigues Dias Filgueiras, Ramon Maia Borges, Marcello Caldano Melo, Tiago Henrique Brandao, Arismar Cerqueira Sodre
Publikováno v:
IEEE Access, Vol 7, Pp 112578-112587 (2019)
This work reports the concept and implementation of a dual-band wireless fronthaul (FH), using a frequency selective surface (FSS)-based focal-point/Cassegrain antenna, assisted by an optical midhaul (MH). Our innovative fiber-wireless architecture e
Externí odkaz:
https://doaj.org/article/61c0b276559f430d89e8eaff41451ab6
Publikováno v:
IEEE Antennas and Wireless Propagation Letters. 21:750-754
Publikováno v:
IEEE Communications Magazine. 59:30-35