Optimized digital radio over fiber system for medium range communication

MU Hadi, H Jung, S Ghaffar, PA Traverso… - Optics …, 2019 - Elsevier
In recent years, the demand of efficient and broadband wireless access has escalated, for
which Radio over Fiber (RoF) is considered as an appropriate solution. In this paper, we …

Direct digital predistortion technique for the compensation of laser chirp and fiber dispersion in long haul radio over fiber links

MU Hadi, J Nanni, JL Polleux, PA Traverso… - Optical and Quantum …, 2019 - Springer
Abstract Analog Radio-over-Fiber (A-RoF) communication technology constitutes a
promising technique for next generation radio access networks thanks to its relatively low …

High-performance dual-band radio-over-fiber link for future 5G radio access applications

F Shi, Y Fan, X Wang, W Zhang, Y Gao - Journal of Optical …, 2022 - opg.optica.org
For the fronthaul between the baseband unit and the remote radio unit (RRU), radio over
fiber (RoF) is promising to replace the Common Public Radio Interface in beyond fifth …

Multiband 5G NR-over-fiber system using analog front haul

MU Hadi, M Awais, M Raza - 2020 International Topical …, 2020 - ieeexplore.ieee.org
This paper reports the performance evaluation and realization of fifth generation (5G) new
radio (NR) multiband signals employing Analog Radio-over-Fiber based optical link as a …

Experimental evaluation of real-time sigma-delta radio over fiber system for fronthaul applications

MU Hadi, H Jung, PA Traverso… - International Journal of …, 2021 - cambridge.org
Sigma-delta radio over fiber (ΣΔ-RoF) is an expedient technology for next-generation
networks including 5G cloud/centralized radio access networks (C-RAN). In this article, we …

[HTML][HTML] Mitigation of nonlinearities in analog radio over fiber links using machine learning approach

MU Hadi - ICT Express, 2021 - Elsevier
Abstract Machine learning (ML) techniques are looked upon as an innovative and realistic
direction to cope up with nonlinearity issues in fiber optics communication. In this paper, a …

Assessment of digital predistortion methods for DFB‐SSMF radio‐over‐fiber links linearization

MU Hadi, C Kantana, PA Traverso… - Microwave and …, 2020 - Wiley Online Library
This letter presents a comparative evaluation between three different behavioral models to
perform digital predistortion (DPD) that enhances the linearity of radio‐over‐fiber (RoF) …

Practically feasible closed-loop digital predistortion for VCSEL-MMF-based radio-over-fiber links

MU Hadi, J Nanni, O Venard, G Baudoin, JL Polleux… - …, 2020 - hal.science
The article demonstrates a novel Digital Predistortion (DPD) architecture for Mobile Front
Haul links for the advanced Long-Term Evolution (LTE) and upcoming 5G networks …

Linearity improvement of VCSELs based radio over fiber systems utilizing digital predistortion

MU Hadi, J Nanni, O Venard, G Baudoin… - Advances in Science …, 2019 - pure.ulster.ac.uk
The article proposes a Digital Predistortion (DPD) methodology that substantially meliorates
the linearity of limited range Mobile Front Haul links for the extant Long-Term Evolution …

Reconfigurable microwave photonic mixer for hybrid macro-micro cellular systems

Y Gao, F Shi, J Zhang, B Cao, B Ma, W Zhai, Y Fan - Optics Express, 2023 - opg.optica.org
Microwave photonic mixing can realize the frequency conversion of microwave signals in
the optical domain, breaking through the bandwidth bottleneck and electromagnetic …