Design of reconfigurable frequency‐selective surfaces including the PIN diode threshold region

DF Mamedes, A Gomes Neto… - IET Microwaves …, 2018 - Wiley Online Library
Reconfigurable frequency‐selective surfaces (RFSSs) are of significant interest in
applications, such as secure communication systems or tunable radomes, to improve indoor …

[HTML][HTML] A Reconfigurable Frequency Selective Surface for Wi-Fi Application

TS Evangelista, DF Mamedes, AJR Serres… - Journal of Microwaves …, 2023 - SciELO Brasil
This work presents the development of a reconfigurable frequency selective surface (RFSS)
for application in the 2400-2483.5 MHz band, standard IEEE 802.11 b/g/n (Wi-Fi). The …

Reconfigurable corner reflector using PIN-diode-switched frequency selective surfaces

DF Mamedes, AG Neto… - 2020 IEEE International …, 2020 - ieeexplore.ieee.org
This paper presents the development of a reconfigurable corner reflector that uses a PIN-
diode-switched frequency selective surfaces (FSS). A reflector aperture angle of 45° is …

Varactor-tunable four arms star bandstop FSS with a very simple bias circuit

AG Neto, JC e Silva, AG Barboza… - 2019 13th European …, 2019 - ieeexplore.ieee.org
In this paper a varactor-tunable bandstop FSS based on the four arms star geometry is
presented. Besides the resonant frequency tuning, an interesting feature is that practically …

Fast and accurate rectenna design method

EF Da Silva, AG Neto, C Peixeiro - IEEE Antennas and …, 2019 - ieeexplore.ieee.org
A fast and accurate method is proposed for the design of rectennas. It combines the use of a
full-wave electromagnetic simulator, for the analysis of the antenna, and a harmonic balance …

Matrioska: uma proposta de geometria para FSS multibandas

H Ferreira - 2016 - repositorio.ifpb.edu.br
O progresso tecnológico e o aumento da demanda por serviços em sistemas de
telecomunicações vêm, ao longo das últimas décadas, fomentando o desenvolvimento de …

Bandpass frequency selective surface using asymmetrical slot four arms star geometry

A Gomes Neto, J Costa e Silva… - Microwave and …, 2016 - Wiley Online Library
In this article, the authors proposed a bandpass frequency selective surface using the slot
four arms star geometry. An expression to calculate the resonance frequency is introduced …

[HTML][HTML] Modeling the resonant behavior of continuously reconfigurable FSS based on four arms star geometry

A Gomes Neto, AG Barboza, IBG Coutinho… - Journal of Microwaves …, 2020 - SciELO Brasil
A modeling of the resonant behavior of a continuously reconfigurable frequency selective
surface, FSS, is described in this paper. The FSS is based on four arms star geometry and its …

Improved microstrip antenna with FSS superstrate for 5G NR applications

T da Silva Evangelista, AG Neto… - 2021 15th European …, 2021 - ieeexplore.ieee.org
The development of a microstrip patch antenna with a band-pass frequency selective
surface superstrate for 5G New Radio applications at 3.5 GHz is presented in this paper. The …

Desenvolvimento de Superfície Seletiva em Frequência Reconfigurável Baseada na Geometria Estrela de Quatro Braços para Aplicação em 2, 4 GHz

TS Evangelista - 2018 - repositorio.ifpb.edu.br
Diante da atual demanda dos sistemas de telecomunicações, as superfícies seletivas em
frequência, FSS ativas e passivas, vêm atraindo a atenção de diversos grupos de pesquisa …