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The evolution of optical OFDM

The evolution of optical OFDM
The evolution of optical OFDM
Optical Orthogonal Frequency-Division Multiplexing (O-OFDM) is eminently suitable for mitigating the multi-path and chromatic dispersion in both Visible Light Communications (VLC) and Optical Fiber Communications. We commence our discourse by surveying the conception and historic evolution of O-OFDM designed for both VLC and optical fiber, culminating in the birth of its most flexible design alternative, namely Layered Asymmetrically Clipped Optical OFDM (LACO-OFDM). We demonstrate that it is eminently suitable for intensity-modulation and direct-detection aided optical communication systems and characterize its design flexibility. It is also shown that given its flexibility, it subsumes a wide range of optical OFDM schemes conceived over the past two decades or so. The LACO-OFDM transmitter and receiver designs strike a compelling compromise between the features of the popular Asymmetrically Clipped Optical OFDM (ACO-OFDM) and Direct Current Offset OFDM (DCO-OFDM). The pivotal role of forward error correction (FEC) designs is also surveyed with the objective of striking a coding gain versus complexity trade-off. We conclude by highlighting a suite of promising techniques capable of further improving the system performance, but require further research. The take-away message of the paper crystallized in the associated design guidelines.
LACO-OFDM, transceiver design, signal characterization, performance analysis, forward error correction
1553-877X
Zhang, Xiaoyu
ea1ec5dd-5b9f-4ba9-b420-c05e771a5ae3
Babar, Zunaira
23ede793-1796-449d-b5aa-93a297e5677a
Petropoulos, Periklis
522b02cc-9f3f-468e-bca5-e9f58cc9cad7
Haas, Harald
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Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1
Zhang, Xiaoyu
ea1ec5dd-5b9f-4ba9-b420-c05e771a5ae3
Babar, Zunaira
23ede793-1796-449d-b5aa-93a297e5677a
Petropoulos, Periklis
522b02cc-9f3f-468e-bca5-e9f58cc9cad7
Haas, Harald
cdf0c1b3-2410-4cb4-bdc2-0221b5290267
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1

Zhang, Xiaoyu, Babar, Zunaira, Petropoulos, Periklis, Haas, Harald and Hanzo, Lajos (2021) The evolution of optical OFDM. IEEE Communications Surveys & Tutorials. (doi:10.1109/COMST.2021.3065907).

Record type: Article

Abstract

Optical Orthogonal Frequency-Division Multiplexing (O-OFDM) is eminently suitable for mitigating the multi-path and chromatic dispersion in both Visible Light Communications (VLC) and Optical Fiber Communications. We commence our discourse by surveying the conception and historic evolution of O-OFDM designed for both VLC and optical fiber, culminating in the birth of its most flexible design alternative, namely Layered Asymmetrically Clipped Optical OFDM (LACO-OFDM). We demonstrate that it is eminently suitable for intensity-modulation and direct-detection aided optical communication systems and characterize its design flexibility. It is also shown that given its flexibility, it subsumes a wide range of optical OFDM schemes conceived over the past two decades or so. The LACO-OFDM transmitter and receiver designs strike a compelling compromise between the features of the popular Asymmetrically Clipped Optical OFDM (ACO-OFDM) and Direct Current Offset OFDM (DCO-OFDM). The pivotal role of forward error correction (FEC) designs is also surveyed with the objective of striking a coding gain versus complexity trade-off. We conclude by highlighting a suite of promising techniques capable of further improving the system performance, but require further research. The take-away message of the paper crystallized in the associated design guidelines.

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Accepted/In Press date: 7 March 2021
e-pub ahead of print date: 15 March 2021
Keywords: LACO-OFDM, transceiver design, signal characterization, performance analysis, forward error correction

Identifiers

Local EPrints ID: 448048
URI: http://eprints.soton.ac.uk/id/eprint/448048
ISSN: 1553-877X
PURE UUID: 6f7f6cbe-e617-4865-ab78-a04fa7f43c59
ORCID for Xiaoyu Zhang: ORCID iD orcid.org/0000-0002-0793-889X
ORCID for Zunaira Babar: ORCID iD orcid.org/0000-0002-7498-4474
ORCID for Periklis Petropoulos: ORCID iD orcid.org/0000-0002-1576-8034
ORCID for Lajos Hanzo: ORCID iD orcid.org/0000-0002-2636-5214

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Date deposited: 01 Apr 2021 15:39
Last modified: 13 Apr 2021 02:07

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Contributors

Author: Xiaoyu Zhang ORCID iD
Author: Zunaira Babar ORCID iD
Author: Harald Haas
Author: Lajos Hanzo ORCID iD

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