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

Muhammad Usman Hadi; Jacopo Nanni; Olivier Venard; Geneviève Baudoin; Jean Luc Polleux; Giovanni Tartarini

doi:10.13164/re.2020.0037

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

Muhammad Usman Hadi^*, Jacopo Nanni, Olivier Venard, Geneviève Baudoin, Jean Luc Polleux, Giovanni Tartarini

^*Corresponding author for this work

Research output: Contribution to journal › Journal article › Research › peer-review

18 Citations (Scopus)

Abstract

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. Precisely, the use of a feedback approximation method has been proposed and experimentally demonstrated herein that simplifies the complexities in realizing the practical DPD technique for Multi-Mode VCSELs and Multi-Mode Fibers based Radio over Fiber systems. As a figure of merit, linearization efficiency is provided in terms of Adjacent Channel Power Ratio, Normalized Mean Square Error and Error Vector Magnitude referring to a complete LTE frame occupying 10 MHz with 256-QAM modulation format.

Original language	English
Journal	Radioengineering
Volume	29
Issue number	1
Pages (from-to)	37-43
Number of pages	7
ISSN	1210-2512
DOIs	https://doi.org/10.13164/re.2020.0037
Publication status	Published - 1 Apr 2020
Externally published	Yes

Keywords

Adjacent channel power ratio (ACPR)
Digital predistortion (DPD)
Indirect learning architecture (ILA)
Long term evolution (LTE)
Radio over fiber (RoF)
Vertical cavity surface emitting lasers (VCSEL)

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title = "Practically feasible closed-loop digital predistortion for VCSEL-MMF-based radio-over-fiber links",

abstract = "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. Precisely, the use of a feedback approximation method has been proposed and experimentally demonstrated herein that simplifies the complexities in realizing the practical DPD technique for Multi-Mode VCSELs and Multi-Mode Fibers based Radio over Fiber systems. As a figure of merit, linearization efficiency is provided in terms of Adjacent Channel Power Ratio, Normalized Mean Square Error and Error Vector Magnitude referring to a complete LTE frame occupying 10 MHz with 256-QAM modulation format.",

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AU - Hadi, Muhammad Usman

AU - Nanni, Jacopo

AU - Venard, Olivier

AU - Baudoin, Geneviève

AU - Polleux, Jean Luc

AU - Tartarini, Giovanni

PY - 2020/4/1

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AB - 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. Precisely, the use of a feedback approximation method has been proposed and experimentally demonstrated herein that simplifies the complexities in realizing the practical DPD technique for Multi-Mode VCSELs and Multi-Mode Fibers based Radio over Fiber systems. As a figure of merit, linearization efficiency is provided in terms of Adjacent Channel Power Ratio, Normalized Mean Square Error and Error Vector Magnitude referring to a complete LTE frame occupying 10 MHz with 256-QAM modulation format.

KW - Adjacent channel power ratio (ACPR)

KW - Digital predistortion (DPD)

KW - Indirect learning architecture (ILA)

KW - Long term evolution (LTE)

KW - Radio over fiber (RoF)

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

Abstract

Keywords

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