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 …

DSP-based flexible-waveform and multi-application 5G fiber-wireless system

RM Borges, LAM Pereira… - Journal of Lightwave …, 2019 - ieeexplore.ieee.org
This article reports the implementation and experimental performance investigation of a DSP-
based flexible-waveform fiber-wireless (FiWi) system for 5G enhanced mobile broadband …

Integrating optical and wireless techniques towards novel fronthaul and access architectures in a 5G NR framework

RM Borges, CH de Souza Lopes, ES Lima… - Applied Sciences, 2021 - mdpi.com
The fifth-generation of mobile network (5G) and beyond requires a radio access network
(RAN) update in order to cope with the incoming increase of wireless data traffic and new …

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 …

End-to-end demonstration of fiber-wireless fronthaul networks using a hybrid multi-IF-over-fiber and radio-over-fiber system

HY Kao, S Ishimura, K Tanaka… - IEEE Photonics …, 2021 - ieeexplore.ieee.org
This paper reports an end-to-end demonstration of a fiber-wireless mobile fronthaul (MFH)
network based on hybrid intermediate-frequency-over-fiber (IFoF) and radio-over-fiber (RoF) …

Implementation of a multiband 5G NR fiber-wireless system using analog radio over fiber technology

LAM Pereira, CHS Lopes, RM Borges, ES Lima… - Optics …, 2020 - Elsevier
This work reports the implementation of a multiband 5G new radio (NR) fiber-wireless (FiWi)
system, using analog radio over fiber (A-RoF) technology. Our approach employs a 12.5-km …

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 …

Computational intelligence-based methodology for antenna development

MC De Melo, PB Santos, E Faustino… - IEEE …, 2021 - ieeexplore.ieee.org
The antenna design is a challenging task, which might be time-consuming using
conventional computational methods that typically require high computational capability …

Performance Analysis of a 28 GHz Wideband Analog Radio-Over-Fiber Fronthaul With Channel Nonlinearity Compensation

T Song, C Lim, A Nirmalathas - Journal of Lightwave …, 2024 - ieeexplore.ieee.org
Analog radio-over-fiber (ARoF) fronthaul emerges as a possible solution to overcome the
fronthaul bottleneck for 5G and beyond mobile networks. ARoF technology exhibits better …

Analysis of selective surfaces characterization using free-space technique

I Expósito, JR Reis, S Viegas, RFS Caldeirinha… - Measurement, 2025 - Elsevier
The free-space technique is the leading method for experimentally evaluating selective
surfaces, including frequency selective surfaces (FSS), energy selective surfaces (ESS), or …