Wireless and optical convergent access technologies toward 6G

HRD Filgueiras, ES Lima, MSB Cunha… - IEEE …, 2023 - ieeexplore.ieee.org
The sixth generation of mobile communication (6G) systems is recently rising a lot of interest,
introducing new futuristic and challenging use cases that will demand much more than just …

Coherent dual-frequency signal generation in an optoelectronic oscillator

S Liu, C Du, L Yang, M Liu, Z Tang, S Pan - Optics letters, 2023 - opg.optica.org
Coherent dual-frequency microwave signal generation using an optoelectronic oscillator
(OEO) is presented and demonstrated. In the proposed OEO, a dual-band bandpass filter …

A 64-element and dual-polarized SICL-based slot antenna array development applied to TDD massive MIMO

HRD Filgueiras, AC Sodré - IEEE Antennas and Wireless …, 2022 - ieeexplore.ieee.org
This letter reports the concept, design, fabrication, and characterization of a novel 64-
element, slot-based and substrate-integrated coaxial line (SICL)-fed dual-polarized antenna …

Performance analysis of the coherent FMCW photonic radar system under the influence of solar noise

A Kumari, A Kumar, GST Reddy - Frontiers in Physics, 2023 - frontiersin.org
The real-time high-resolution target detection in radar applications has increased the
demand for photonic radar systems due to their higher bandwidth and faster processing …

Dual-band coherent microwave photonic radar using linear frequency modulated signals with arbitrary chirp rates

X Wang, F Cao, C Ma, Y Yang… - IEEE Journal of …, 2023 - ieeexplore.ieee.org
Multi-band radars can obtain more electromagnetic scattering information of targets in
complex electromagnetic environments, but they always suffer from complex configurations …

X-Band Photonic-Based Pulsed Radar Architecture with a High Range Resolution

Y Bae, M Yi, J Shin, SG Lee - Applied Sciences, 2020 - mdpi.com
In this paper, we propose an X-band photonic-based pulsed radar architecture with a high
range resolution. The proposed architecture is operated as a pulsed radar by adding a Mach …

Multiband and photonically amplified fiber-wireless xhaul

ES Lima, RM Borges, LAM Pereira… - IEEE …, 2020 - ieeexplore.ieee.org
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 …

Tunable Dual-Band RF Exciter-Receiver Design For Realizing Photonics Radar

AAB Raj - 2021 International Conference on System …, 2021 - ieeexplore.ieee.org
Traditionally, radars employed electronic technologies which comes with limited bandwidth,
low speed, poor resolution which makes them inadequate for today's low level and small …

Microwave photonics doppler speed measurement based on sagnac loops and four-wave mixing effect in a highly nonlinear fiber

H Emami, R Hashemi - Scientific Reports, 2024 - nature.com
Photonic radars are increasingly being developed and offer a promising replacement for
traditional RF radars. They feature higher precision, and smaller size compared to the …

Dual-band wireless fronthaul using a FSS-based focal-point/Cassegrain antenna assisted by an optical midhaul

HRD Filgueiras, RM Borges, MC Melo… - IEEE …, 2019 - ieeexplore.ieee.org
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 …