Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Humberto Pereira da Paz"'
Autor:
Humberto Pereira Da Paz, Vinicius Santana Da Silva, Renan Diniz, Renan Trevisoli, Carlos Eduardo Capovilla, Ivan Roberto Santana Casella
Publikováno v:
IEEE Access, Vol 11, Pp 54122-54132 (2023)
This article aims to contribute for the improvement of low-power Radio Frequency Energy Harvesting (RFEH) designs based on Schottky Barrier Diode (SBD) rectifiers, presenting a study of the relationship between RF-DC Power Conversion Efficiency (PCE)
Externí odkaz:
https://doaj.org/article/10b94b1d636e442bb710fa073f566601
Modeling Schottky Diode Rectifiers Considering the Reverse Conduction for RF Wireless Power Transfer
Autor:
Humberto Pereira da Paz, Vinicius Santana da Silva, Ivan R. S. Casella, Rodrigo T. Doria, Renan Trevisoli, Carlos Eduardo Capovilla
Publikováno v:
IEEE Transactions on Circuits and Systems II: Express Briefs. 69:1732-1736
The aim of this work is to model Schottky diodes series rectifier for application in Radio Frequency Energy Harvesting (RFEH). A time-domain approach is proposed, including the reverse conduction of the diodes, which can significantly degrade the Pow
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e4fb9b0fc6a52cb7a24699bb37f1b272
https://doi.org/10.1109/tcsii.2021.3102576
https://doi.org/10.1109/tcsii.2021.3102576
Autor:
Ricardo M. Vicentini, Humberto Pereira da Paz, Vinicius Santana da Silva, Ricardo Queiroz Martins, Carlos Eduardo Capovilla, Ivan R. S. Casella, Eduardo Vicente Valdes Cambero
Publikováno v:
Journal of Microwaves, Optoelectronics and Electromagnetic Applications, Vol 20, Iss 1, Pp 143-157 (2021)
Journal of Microwaves, Optoelectronics and Electromagnetic Applications v.20 n.1 2021
Journal of Microwaves. Optoelectronics and Electromagnetic Applications
Sociedade Brasileira de Microondas e Optoeletrônica (SBMO)
instacron:SBMO
Journal of Microwaves, Optoelectronics and Electromagnetic Applications, Volume: 20, Issue: 1, Pages: 143-157, Published: 03 MAR 2021
Journal of Microwaves, Optoelectronics and Electromagnetic Applications v.20 n.1 2021
Journal of Microwaves. Optoelectronics and Electromagnetic Applications
Sociedade Brasileira de Microondas e Optoeletrônica (SBMO)
instacron:SBMO
Journal of Microwaves, Optoelectronics and Electromagnetic Applications, Volume: 20, Issue: 1, Pages: 143-157, Published: 03 MAR 2021
This article presents an experimental analysis of the use of signals transmitted by Wireless Local Area Networks (WLAN) based on the IEEE 802.11b/g standards for Radio Frequency Energy Harvesting (RFEH) applications in indoor environments employing a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6e34c5002e97682578278b54b44afdcb
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S2179-10742021000100143&tlng=en
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S2179-10742021000100143&tlng=en
Autor:
Humberto Pereira da Paz, Vinicius Santana da Silva, Ivan R. S. Casella, Eduardo Vicente Valdes Cambero, Ricardo Queiroz Martins, Carlos Eduardo Capovilla
Publikováno v:
IEEE Microwave and Wireless Components Letters. 30:825-828
This letter describes the design, simulation, and measurement process of a series radio frequency (RF) rectifier at the 2.4 GHz ISM band, composed of a distributed filter with radial stub elements. The proposal is to reduce the first- and second-orde
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cbc37643ed027d94cba5f6c5006c522b
https://doi.org/10.1109/lmwc.2020.3004309
https://doi.org/10.1109/lmwc.2020.3004309
Autor:
Eduardo Vicente Valdes Cambero, Humberto Pereira da Paz, Vinicius Santana da Silva, Ivan R. S. Casella, Humberto Xavier de Araujo, Carlos Eduardo Capovilla
Publikováno v:
IEEE Antennas and Wireless Propagation Letters. 18:2716-2720
Combined solar and radio frequency (RF) harvesting systems are drawing attention by offering self-powered ability to low-power devices, an essential aspect to the success of the Internet of Things. One of the main challenges of these harvesting syste
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::51066c5b384d011f5c5bbe89f6580389
https://doi.org/10.1109/lawp.2019.2950178
https://doi.org/10.1109/lawp.2019.2950178
Autor:
Humberto Pereira da Paz, Vinicius Santana da Silva, Ivan R. S. Casella, Eduardo Vicente Valdes Cambero, E. T. Pereira, Carlos Eduardo Capovilla
Publikováno v:
Journal of Circuits, Systems and Computers. 30
In this paper, a low-cost rectenna based on an antipodal Vivaldi antenna (AVA) with elliptical slots (AVA-ES) is developed and analyzed. The design of AVA-ES, when compared to a reference AVA, presents significant improvements in directivity and gain
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9aae16859cd07d8b3c9eef01ccf82731
https://doi.org/10.1142/s0218126621502480
https://doi.org/10.1142/s0218126621502480
Autor:
Humberto Xavier de Araujo, Carlos Eduardo Capovilla, Eduardo Vicente Valdes Cambero, Humberto Pereira da Paz, Vinicius Santana da Silva, Ivan R. S. Casella
Publikováno v:
2019 IEEE 15th Brazilian Power Electronics Conference and 5th IEEE Southern Power Electronics Conference (COBEP/SPEC).
Seeking to increase the autonomy of wireless sensing devices, this article analyzes different RF rectifier topologies for ambient energy harvesting applications at 2.45 GHz, focusing on scenarios where the input received power level of the RF rectifi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0cf13fbc5241f25ee80af24e464aaa47
https://doi.org/10.1109/cobep/spec44138.2019.9065755
https://doi.org/10.1109/cobep/spec44138.2019.9065755
Autor:
Carlos Eduardo Capovilla, Humberto Xavier de Araujo, Eduardo Vicente Valdes Cambero, Ivan R. S. Casella, Humberto Pereira da Paz, Vinicius Santana da Silva
Publikováno v:
2019 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference (IMOC).
This paper presents a solar cell coplanar patch antenna designed to operate in the 2.4 GHz band. The simulation results were validated by the solar cell antenna’s prototype fabrication and characterization. The proposed antenna has a gain of $4.13
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d3b267a39b8a42b506588ae0c7f2bf2b
https://doi.org/10.1109/imoc43827.2019.9317682
https://doi.org/10.1109/imoc43827.2019.9317682
Autor:
Humberto Pereira da Paz, Vinicius Santana da Silva, Carlos B. Capovilla, I. R. S. Casella, Eduardo Vicente Valdes Cambero, Humberto Xavier de Araujo
Publikováno v:
Anais de XXXVII Simpósio Brasileiro de Telecomunicações e Processamento de Sinais.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4f6bfabc196203a24786d613add86440
https://doi.org/10.14209/sbrt.2019.1570558532
https://doi.org/10.14209/sbrt.2019.1570558532
Autor:
Eduardo Vicente Valdes Cambero, Denise Consonni, Carlos Eduardo Capovilla, Humberto Pereira da Paz, Vinicius Santana da Silva, Ivan R. S. Casella
Publikováno v:
AEU - International Journal of Electronics and Communications. 134:153686
Despite the high number of scientific reports on rectenna applications, the influences of antenna/rectifier interface over the power conversion efficiency have not yet been profoundly debated in the literature. In this context, equations that fully c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3a5c5f75414611aff3597c6e81d383cd
https://doi.org/10.1016/j.aeue.2021.153686
https://doi.org/10.1016/j.aeue.2021.153686